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		<title>流变-阻抗谱</title>
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		<dc:creator><![CDATA[Juli Varvarezis]]></dc:creator>
		<pubDate>Tue, 26 Mar 2024 14:44:42 +0000</pubDate>
				<category><![CDATA[DHR 附件]]></category>
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					<description><![CDATA[<p>流变-阻抗谱有助于深入了解电池电极浆料、乳液、油漆、涂料等复杂流体的微观结构。将介电阻抗谱与 DHR 的流变测量联用后，用户能够在混合、存储和涂覆等工艺相关条件中，表征剪切对样品微观结构所造成的变化。</p>
<p>The post <a href="https://www.tainstruments.com.cn/%e6%b5%81%e5%8f%98-%e9%98%bb%e6%8a%97%e8%b0%b1/">流变-阻抗谱</a> first appeared on <a href="https://www.tainstruments.com.cn">TA仪器</a>.</p>]]></description>
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<div class="productheader"><strong>流变-阻抗谱</strong></div>
<div class="productsubheader" style="width: 100%;"><!--<strong>The Next Generation of Thermal Stability Testing for Biologic Drugs</strong>--></p>
<p style="text-align: justify;">流变-阻抗谱在同时进行阻抗谱和流变测量方面提供了无与伦比的数据质量，可在工艺相关条件下评估电极浆料，帮助确保优异的电池性能。</p>
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			<div style="text-align: justify;"><strong>流变-阻抗谱</strong>可帮助用户深入了解电池电极浆料、乳液、油漆、涂料等复杂流体的微观结构。将介电阻抗谱与Discovery HR混合型流变仪的流变测量相结合，用户就能在混合、贮存和涂覆等与工艺相关的条件下，对样品微观结构的剪切诱导变化进行表征。同时精确测量黏度、屈服应力、黏弹性和恢复性，并提供流动特性与微观结构变化的潜在联系的新见解。</div>
<div style="text-align: justify;">电池电极浆料配方和工艺开发以阻抗光谱学为指导。在不施加剪切力的情况下进行的初始阻抗测量可以表征导电材料在混合后在浆料中的分散情况。同时进行的阻抗和剪切流变直接测量了剪切引起的微观结构变化，模拟了浆料涂布条件，并能测量材料剪切后随时间变化的恢复情况。这些新视角可以用于验证成品电极中的导电网络是否得以保持，帮助确保优异的电池性能。</div>

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<p>Discovery HR混合型流变仪的流变-阻抗谱（Rheo-IS）附件在介电阻抗和流变测量方面都能获得无与伦比的数据质量。传统的流变学-介电阻抗联合测量方法需要与上部工具进行电接触，无论是硬接线、弹簧接触还是液态电解质，都限制了测量范围。Rheo-IS附件将两个电极置于下板上，使用绝缘的上平行板作为导体，无需与上部工具接触。这种独特的设计使流变阻抗测量不受限制：</p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>在工艺相关条件下同时进行阻抗和稳定剪切测量</li>
<li>无摩擦：没有金属丝或弹簧触点，DHR 扭矩灵敏度范围更广，可精确表征黏度、屈服应力、黏弹性和结构恢复情况</li>
<li>介质阻抗测量高达 8 MHz，不受液态电解质接触的限制和实验挑战的影响</li>
</ul>
</li>
</ul>
<p>&lt;li安装时间不到 5 分钟： Rheo-IS 快速更换板安装到高级珀尔帖板上，实现温度控制</p>
<ul>
<li>TRIOS 软件中集成了 LCR计校准、测量、信号和数据分析功能</li>
</ul>
<p>&nbsp;</p>
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<thead>
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<th style="text-align: center;" colspan="3">流变-阻抗谱附件</th>
</tr>
</thead>
<tbody>
<tr>
<td>独特的无摩擦技术</td>
<td colspan="2">最小摆动扭矩 0.3 nN.m *</td>
</tr>
<tr>
<td>帕尔帖温度控制</td>
<td colspan="2">15℃ &#8211; 100℃</td>
</tr>
<tr>
<td>40mm不锈钢板（已包含）</td>
<td colspan="2">样品体积 &lt; 2 m</td>
</tr>
<tr>
<td>定制溶剂防挥发罩（已包含）</td>
<td colspan="2">防止测量过程中的蒸发</td>
</tr>
<tr>
<td>TRIOS软件集成LCR数据</td>
<td colspan="2">电抗、电阻、损耗正切、阻抗、导纳、电容、电导率、介电常数、感抗；奈奎斯特图、波特图</td>
</tr>
</tbody>
</table>
<table>
<thead>
<tr>
<th style="text-align: center;">兼容 LCR 计</th>
<th style="text-align: center;">频率</th>
<th style="text-align: center;">电压</th>
</tr>
</thead>
<tbody>
<tr>
<td>HIOKI &#8211; IM3536</td>
<td>4 Hz 至 8 MHz</td>
<td>0.01 V 至 5 V</td>
</tr>
<tr>
<td>Keysight &#8211; E4980AL</td>
<td>20 Hz 至 1MHz</td>
<td>0.001 V 至 2 V</td>
</tr>
<tr>
<td>Keysight &#8211; E4980A</td>
<td>20 Hz 至 2 MHz</td>
<td>0.005 V 至 20 V</td>
</tr>
</tbody>
</table>
<p>*最小扭矩取决于具体型号</p>

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			<h3>阴极浆料配方</h3>
<div style="text-align: justify;">
<p>流变-阻抗谱附件能帮助我们深入了解阴极浆料的配方，评估每种成分对流变性和导电网络分布的影响。阴极浆料的制备方法是先将炭黑和 PVDF混入NMP（样品 A），然后加入NMC（样品 B）。在这两个步骤中，在剪切速率不断增加的范围内对材料进行了阻抗测量。与添加了 NMC 的样品 B（固体含量72%）相比，尽管样品A的固体含量较低（8%），但其黏度却明显较高。NMC颗粒有助于将炭黑团块分散成更均匀的网络，从而降低黏度，更适于涂布。同步阻抗测量结果支持这一解释。样品A的奈奎斯特图显示，在不同的剪切速率下，其阻抗发生了显著变化，表明炭黑团聚体的网络在不断变化。相比之下，样品B在所有剪切速率下都显示出一致的阻抗。NMC的加入有助于炭黑的分布，从而形成更稳定的导电网络。这种剪切稳定的微观结构有利于生产，可确保在成品阴极中导电网络可以继续维持。</p>
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circle construction of the three cathode materials with varying carbon black
and PVDF binder content." title="RH136 fig2" srcset="https://www.tainstruments.com.cn/wp-content/uploads/RH136-fig2.png 687w, https://www.tainstruments.com.cn/wp-content/uploads/RH136-fig2-300x225.png 300w" sizes="(max-width: 687px) 100vw, 687px"  data-dt-location="https://www.tainstruments.com.cn/shear-and-flow-properties-of-an-nmc-based-dry-cathode-powder-rh136/rh136-fig2-2/" /></div>
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circle construction of the three cathode materials with varying carbon black
and PVDF binder content." title="RH136 fig2" srcset="https://www.tainstruments.com.cn/wp-content/uploads/RH136-fig2.png 687w, https://www.tainstruments.com.cn/wp-content/uploads/RH136-fig2-300x225.png 300w" sizes="(max-width: 687px) 100vw, 687px"  data-dt-location="https://www.tainstruments.com.cn/shear-and-flow-properties-of-an-nmc-based-dry-cathode-powder-rh136/rh136-fig2-2/" /></div>
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			<div class="vc_single_image-wrapper  "><img decoding="async" width="687" height="516" src="https://www.tainstruments.com.cn/wp-content/uploads/RH136-fig2.png" class="vc_single_image-img attachment-full" alt="Figure 3. Powder shear data after using yield locus analysis with Mohr
circle construction of the three cathode materials with varying carbon black
and PVDF binder content." title="RH136 fig2" srcset="https://www.tainstruments.com.cn/wp-content/uploads/RH136-fig2.png 687w, https://www.tainstruments.com.cn/wp-content/uploads/RH136-fig2-300x225.png 300w" sizes="(max-width: 687px) 100vw, 687px"  data-dt-location="https://www.tainstruments.com.cn/shear-and-flow-properties-of-an-nmc-based-dry-cathode-powder-rh136/rh136-fig2-2/" /></div>
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<li><a href="https://www.tainstruments.com/applications-notes/characterization-of-lib-cathode-slurries-using-simultaneous-measurements-of-rheology-and-impedance-spectroscopy-rh137/">Characterization of LIB Cathode Slurries Using Simultaneous Measurements of Rheology and Impedance Spectroscopy</a></li>
<li><a href="https://www.tainstruments.com/evaluating-battery-slurries-with-simultaneous-rheological-and-impedance-measurement/">Evaluating Battery Slurries with Simultaneous Rheological and Impedance Measurement</a></li>
<li><a href="https://www.tainstruments.com/applications-notes/rheo-impedance-measurements-in-li-ion-battery-research-additive-effect-of-carbon-nanotubes-in-lifepo4-cathode-rh139/">Rheo-Impedance Measurements in Li-Ion Battery Research: Additive Effect of Carbon Nanotubes in LiFePO<sub>4</sub> Cathode</a></li>
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			<div style="text-align: justify;"><strong>流变-阻抗谱</strong>可帮助用户深入了解电池电极浆料、乳液、油漆、涂料等复杂流体的微观结构。将介电阻抗谱与Discovery HR混合型流变仪的流变测量相结合，用户就能在混合、贮存和涂覆等与工艺相关的条件下，对样品微观结构的剪切诱导变化进行表征。同时精确测量黏度、屈服应力、黏弹性和恢复性，并提供流动特性与微观结构变化的潜在联系的新见解。</div>
<div style="text-align: justify;">电池电极浆料配方和工艺开发以阻抗光谱学为指导。在不施加剪切力的情况下进行的初始阻抗测量可以表征导电材料在混合后在浆料中的分散情况。同时进行的阻抗和剪切流变直接测量了剪切引起的微观结构变化，模拟了浆料涂布条件，并能测量材料剪切后随时间变化的恢复情况。这些新视角可以用于验证成品电极中的导电网络是否得以保持，帮助确保优异的电池性能。</div>

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	        	<a class="ult-tabto-actitle withBorder ult_a " id="1603283324515-3-4" style="color:#00529b;;background-color:#ffffff;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;" href="#1603283324515-3-4">
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						<span  data-ultimate-target='#advanced-tabs-wrap-3962 .ult-span-text'  data-responsive-json-new='{"font-size":"desktop:16px;","line-height":""}'  class="ult-span-text no_icon ult_acordian-text ult-responsive" style="font-weight:bold;;color:inherit " >技术</span>
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<p>Discovery HR混合型流变仪的流变-阻抗谱（Rheo-IS）附件在介电阻抗和流变测量方面都能获得无与伦比的数据质量。传统的流变学-介电阻抗联合测量方法需要与上部工具进行电接触，无论是硬接线、弹簧接触还是液态电解质，都限制了测量范围。Rheo-IS附件将两个电极置于下板上，使用绝缘的上平行板作为导体，无需与上部工具接触。这种独特的设计使流变阻抗测量不受限制：</p>
<ul>
<li style="list-style-type: none;">
<ul>
<li>在工艺相关条件下同时进行阻抗和稳定剪切测量</li>
<li>无摩擦：没有金属丝或弹簧触点，DHR 扭矩灵敏度范围更广，可精确表征黏度、屈服应力、黏弹性和结构恢复情况</li>
<li>介质阻抗测量高达 8 MHz，不受液态电解质接触的限制和实验挑战的影响</li>
</ul>
</li>
</ul>
<p>&lt;li安装时间不到 5 分钟： Rheo-IS 快速更换板安装到高级珀尔帖板上，实现温度控制</p>
<ul>
<li>TRIOS 软件中集成了 LCR计校准、测量、信号和数据分析功能</li>
</ul>
<p>&nbsp;</p>
</div>

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<thead>
<tr>
<th style="text-align: center;" colspan="3">流变-阻抗谱附件</th>
</tr>
</thead>
<tbody>
<tr>
<td>独特的无摩擦技术</td>
<td colspan="2">最小摆动扭矩 0.3 nN.m *</td>
</tr>
<tr>
<td>帕尔帖温度控制</td>
<td colspan="2">15℃ &#8211; 100℃</td>
</tr>
<tr>
<td>40mm不锈钢板（已包含）</td>
<td colspan="2">样品体积 &lt; 2 m</td>
</tr>
<tr>
<td>定制溶剂防挥发罩（已包含）</td>
<td colspan="2">防止测量过程中的蒸发</td>
</tr>
<tr>
<td>TRIOS软件集成LCR数据</td>
<td colspan="2">电抗、电阻、损耗正切、阻抗、导纳、电容、电导率、介电常数、感抗；奈奎斯特图、波特图</td>
</tr>
</tbody>
</table>
<table>
<thead>
<tr>
<th style="text-align: center;">兼容 LCR 计</th>
<th style="text-align: center;">频率</th>
<th style="text-align: center;">电压</th>
</tr>
</thead>
<tbody>
<tr>
<td>HIOKI &#8211; IM3536</td>
<td>4 Hz 至 8 MHz</td>
<td>0.01 V 至 5 V</td>
</tr>
<tr>
<td>Keysight &#8211; E4980AL</td>
<td>20 Hz 至 1MHz</td>
<td>0.001 V 至 2 V</td>
</tr>
<tr>
<td>Keysight &#8211; E4980A</td>
<td>20 Hz 至 2 MHz</td>
<td>0.005 V 至 20 V</td>
</tr>
</tbody>
</table>
<p>*最小扭矩取决于具体型号</p>

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			<h3>阴极浆料配方</h3>
<div style="text-align: justify;">
<p>流变-阻抗谱附件能帮助我们深入了解阴极浆料的配方，评估每种成分对流变性和导电网络分布的影响。阴极浆料的制备方法是先将炭黑和 PVDF混入NMP（样品 A），然后加入NMC（样品 B）。在这两个步骤中，在剪切速率不断增加的范围内对材料进行了阻抗测量。与添加了 NMC 的样品 B（固体含量72%）相比，尽管样品A的固体含量较低（8%），但其黏度却明显较高。NMC颗粒有助于将炭黑团块分散成更均匀的网络，从而降低黏度，更适于涂布。同步阻抗测量结果支持这一解释。样品A的奈奎斯特图显示，在不同的剪切速率下，其阻抗发生了显著变化，表明炭黑团聚体的网络在不断变化。相比之下，样品B在所有剪切速率下都显示出一致的阻抗。NMC的加入有助于炭黑的分布，从而形成更稳定的导电网络。这种剪切稳定的微观结构有利于生产，可确保在成品阴极中导电网络可以继续维持。</p>
</div>

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			<div class="vc_single_image-wrapper  "><img decoding="async" width="687" height="516" src="https://www.tainstruments.com.cn/wp-content/uploads/RH136-fig2.png" class="vc_single_image-img attachment-full" alt="Figure 3. Powder shear data after using yield locus analysis with Mohr
circle construction of the three cathode materials with varying carbon black
and PVDF binder content." title="RH136 fig2" srcset="https://www.tainstruments.com.cn/wp-content/uploads/RH136-fig2.png 687w, https://www.tainstruments.com.cn/wp-content/uploads/RH136-fig2-300x225.png 300w" sizes="(max-width: 687px) 100vw, 687px"  data-dt-location="https://www.tainstruments.com.cn/shear-and-flow-properties-of-an-nmc-based-dry-cathode-powder-rh136/rh136-fig2-2/" /></div>
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			<div class="vc_single_image-wrapper  "><img decoding="async" width="687" height="516" src="https://www.tainstruments.com.cn/wp-content/uploads/RH136-fig2.png" class="vc_single_image-img attachment-full" alt="Figure 3. Powder shear data after using yield locus analysis with Mohr
circle construction of the three cathode materials with varying carbon black
and PVDF binder content." title="RH136 fig2" srcset="https://www.tainstruments.com.cn/wp-content/uploads/RH136-fig2.png 687w, https://www.tainstruments.com.cn/wp-content/uploads/RH136-fig2-300x225.png 300w" sizes="(max-width: 687px) 100vw, 687px"  data-dt-location="https://www.tainstruments.com.cn/shear-and-flow-properties-of-an-nmc-based-dry-cathode-powder-rh136/rh136-fig2-2/" /></div>
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</div></div></div><div class="wpb_column vc_column_container vc_col-sm-4"><div class="vc_column-inner"><div class="wpb_wrapper">
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			<div class="vc_single_image-wrapper  "><img decoding="async" width="687" height="516" src="https://www.tainstruments.com.cn/wp-content/uploads/RH136-fig2.png" class="vc_single_image-img attachment-full" alt="Figure 3. Powder shear data after using yield locus analysis with Mohr
circle construction of the three cathode materials with varying carbon black
and PVDF binder content." title="RH136 fig2" srcset="https://www.tainstruments.com.cn/wp-content/uploads/RH136-fig2.png 687w, https://www.tainstruments.com.cn/wp-content/uploads/RH136-fig2-300x225.png 300w" sizes="(max-width: 687px) 100vw, 687px"  data-dt-location="https://www.tainstruments.com.cn/shear-and-flow-properties-of-an-nmc-based-dry-cathode-powder-rh136/rh136-fig2-2/" /></div>
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</div></div></div></div>
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<li><a href="https://www.tainstruments.com/applications-notes/characterization-of-lib-cathode-slurries-using-simultaneous-measurements-of-rheology-and-impedance-spectroscopy-rh137/">Characterization of LIB Cathode Slurries Using Simultaneous Measurements of Rheology and Impedance Spectroscopy</a></li>
<li><a href="https://www.tainstruments.com/evaluating-battery-slurries-with-simultaneous-rheological-and-impedance-measurement/">Evaluating Battery Slurries with Simultaneous Rheological and Impedance Measurement</a></li>
<li><a href="https://www.tainstruments.com/applications-notes/rheo-impedance-measurements-in-li-ion-battery-research-additive-effect-of-carbon-nanotubes-in-lifepo4-cathode-rh139/">Rheo-Impedance Measurements in Li-Ion Battery Research: Additive Effect of Carbon Nanotubes in LiFePO<sub>4</sub> Cathode</a></li>
</ul>
</div>
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			<h3>流变阻抗谱照片库</h3>

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  padding: 0px 0px 0px 0px;
}
.gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a.owl-carousel .owl-nav i {
  font-size: 18px;
}
.gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a.owl-carousel .owl-nav div:not(:hover) i,
.gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a.owl-carousel .owl-nav div:not(:hover) i:before {
  color: #ffffff;
  background: none;
}
.gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a.owl-carousel .owl-nav div:hover i,
.gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a.owl-carousel .owl-nav div:hover i:before {
  color: rgba(255,255,255,0.75);
  background: none;
}
.gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a .owl-dots {
  top: calc(100% + 20px);
  left: 50%;
  transform: translateX(calc(-50% + 0px));
}
@media all and (-ms-high-contrast: none) {
  .gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a .owl-dots {
    transform: translateX(-50%);
    margin-left: 0px;
  }
}
.gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a .owl-dot {
  width: 10px;
  height: 10px;
  margin: 0 8px;
}
@media screen and (max-width: 778px) {
  .gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a.hide-arrows .owl-nav a {
    display: none;
  }
}
@media screen and (max-width: 778px) {
  .gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a.reposition-arrows .owl-nav div.owl-prev {
    top: 50%;
    transform: translateY(calc(-50% + 0px));
    left: 10px;
  }
  .gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a.reposition-arrows .owl-nav div.owl-next {
    top: 50%;
    transform: translateY(calc(-50% + 0px));
    right: 10px;
  }
}
@media screen and (max-width: 778px) and all and (-ms-high-contrast: none) {
  .gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a.reposition-arrows .owl-nav div.owl-prev {
    transform: translateY(-50%);
    margin-top: 0px;
  }
}
@media screen and (max-width: 778px) and all and (-ms-high-contrast: none) {
  .gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a.reposition-arrows .owl-nav div.owl-next {
    transform: translateY(-50%);
    margin-top: 0px;
  }
}
.gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a figure,
.gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a .rollover,
.gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a img,
.gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a .gallery-rollover {
  border-radius: 0px;
}
.gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a.enable-bg-rollover .gallery-rollover {
  background: -webkit-linear-gradient();
  background: linear-gradient();
}
.gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a.enable-img-shadow .owl-stage-outer {
  padding: 14px 0;
}
.gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a.enable-bg-rollover.hover-scale figure .rollover:after {
  background: -webkit-linear-gradient();
  background: linear-gradient();
}
.gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a.gallery-shortcode .gallery-zoom-ico {
  width: 44px;
  height: 44px;
  line-height: 44px;
  border-radius: 100px;
  margin: -22px 0 0 -22px;
  border-width: 0px;
}
.dt-icon-bg-on.gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a.gallery-shortcode .gallery-zoom-ico {
  background: rgba(255,255,255,0.3);
  box-shadow: none;
}
.gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a.gallery-shortcode .gallery-zoom-ico:before,
.gallery-carousel-shortcode.gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a.gallery-shortcode .gallery-zoom-ico span {
  font-size: 32px;
  line-height: 44px;
  color: #ffffff;
  background: none;
}</style><div class="owl-carousel gallery-carousel-shortcode gallery-shortcode  dt-gallery-container dt-owl-carousel-call gallery-carousel-shortcode-id-9b5196b152704f540a559daab47f5b9a quick-scale-img enable-bg-rollover meta-info-off dt-arrow-border-on dt-arrow-hover-border-on bullets-small-dot-stroke reposition-arrows dt-icon-bg-off arrows-bg-on disable-arrows-hover-bg arrows-hover-bg-on  hover-fade " data-scroll-mode="1" data-col-num="6" data-wide-col-num="6" data-laptop-col="5" data-h-tablet-columns-num="4" data-v-tablet-columns-num="3" data-phone-columns-num="1" data-col-gap="10" data-stage-padding="0" data-speed="600" data-autoplay="false" data-autoplay_speed="6000" data-arrows="true" data-bullet="false" data-next-icon="icon-ar-017-r" data-prev-icon="icon-ar-017-l" data-img-shadow-size="12px" data-img-shadow-spread="3px"><div data-post-id="104498" data-date="2024-03-26T16:10:04+00:00" data-name="Rheo-Impedance Spectroscopy"><figure class="post"><a href="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS_Beauty.png" class="rollover dt-pswp-item layzr-bg" data-large_image_width="1376" data-large_image_height="1734" data-dt-img-description="" title="Rheo-Impedance Spectroscopy"><img decoding="async" class="preload-me owl-lazy-load aspect" src="data:image/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%201376%201376&#39;%2F%3E" data-src="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS_Beauty-1376x1376.png" data-srcset="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS_Beauty-1376x1376.png 1376w" loading="eager" style="--ratio: 1376 / 1376" sizes="(max-width: 1376px) 100vw, 1376px" alt="Rheo-Impedance Spectroscopy" width="1376" height="1376"  /><span class="gallery-rollover"><span class="gallery-zoom-ico icomoon-the7-font-the7-zoom-06"><span></span></span></span></a></figure></div><div data-post-id="104500" data-date="2024-03-26T16:13:09+00:00" data-name="Rheo-Impedance Spectroscopy plate detail"><figure class="post"><a href="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS-2-Detail-Plate-Surface.jpeg" class="rollover dt-pswp-item layzr-bg" data-large_image_width="2000" data-large_image_height="1600" data-dt-img-description="" title="Rheo-Impedance Spectroscopy plate detail"><img decoding="async" class="preload-me owl-lazy-load aspect" src="data:image/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%201600%201600&#39;%2F%3E" data-src="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS-2-Detail-Plate-Surface-1600x1600.jpeg" data-srcset="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS-2-Detail-Plate-Surface-1600x1600.jpeg 1600w" loading="eager" style="--ratio: 1600 / 1600" sizes="(max-width: 1600px) 100vw, 1600px" alt="Rheo-Impedance Spectroscopy plate detail" width="1600" height="1600"  /><span class="gallery-rollover"><span class="gallery-zoom-ico icomoon-the7-font-the7-zoom-06"><span></span></span></span></a></figure></div><div data-post-id="104502" data-date="2024-03-26T16:13:45+00:00" data-name="Rheo-Impedance Spectroscopy cover with sample"><figure class="post"><a href="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS-3-Detail-Cover-with-sample.jpeg" class="rollover dt-pswp-item layzr-bg" data-large_image_width="1080" data-large_image_height="787" data-dt-img-description="" title="Rheo-Impedance Spectroscopy cover with sample"><img decoding="async" class="preload-me owl-lazy-load aspect" src="data:image/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%20787%20787&#39;%2F%3E" data-src="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS-3-Detail-Cover-with-sample-787x787.jpeg" data-srcset="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS-3-Detail-Cover-with-sample-787x787.jpeg 787w" loading="eager" style="--ratio: 787 / 787" sizes="(max-width: 787px) 100vw, 787px" alt="Rheo-Impedance Spectroscopy cover with sample" width="787" height="787"  /><span class="gallery-rollover"><span class="gallery-zoom-ico icomoon-the7-font-the7-zoom-06"><span></span></span></span></a></figure></div><div data-post-id="104504" data-date="2024-03-26T16:14:26+00:00" data-name="Rheo-Impedance Spectroscopy detail"><figure class="post"><a href="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS-4-Detail-Cover-Full.jpeg" class="rollover dt-pswp-item layzr-bg" data-large_image_width="1080" data-large_image_height="787" data-dt-img-description="" title="Rheo-Impedance Spectroscopy detail"><img decoding="async" class="preload-me owl-lazy-load aspect" src="data:image/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%20787%20787&#39;%2F%3E" data-src="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS-4-Detail-Cover-Full-787x787.jpeg" data-srcset="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS-4-Detail-Cover-Full-787x787.jpeg 787w" loading="eager" style="--ratio: 787 / 787" sizes="(max-width: 787px) 100vw, 787px" alt="Rheo-Impedance Spectroscopy detail" width="787" height="787"  /><span class="gallery-rollover"><span class="gallery-zoom-ico icomoon-the7-font-the7-zoom-06"><span></span></span></span></a></figure></div><div data-post-id="104506" data-date="2024-03-26T16:14:59+00:00" data-name="Rheo-Impedance Spectroscopy detail"><figure class="post"><a href="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS-5-Detail-Cover-Half-w-sample.jpeg" class="rollover dt-pswp-item layzr-bg" data-large_image_width="1080" data-large_image_height="787" data-dt-img-description="" title="Rheo-Impedance Spectroscopy detail"><img decoding="async" class="preload-me owl-lazy-load aspect" src="data:image/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%20787%20787&#39;%2F%3E" data-src="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS-5-Detail-Cover-Half-w-sample-787x787.jpeg" data-srcset="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS-5-Detail-Cover-Half-w-sample-787x787.jpeg 787w" loading="eager" style="--ratio: 787 / 787" sizes="(max-width: 787px) 100vw, 787px" alt="Rheo-Impedance Spectroscopy detail" width="787" height="787"  /><span class="gallery-rollover"><span class="gallery-zoom-ico icomoon-the7-font-the7-zoom-06"><span></span></span></span></a></figure></div><div data-post-id="104508" data-date="2024-03-26T16:15:30+00:00" data-name="Rheo-Impedance Spectroscopy detail"><figure class="post"><a href="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS-6-Ghost.jpeg" class="rollover dt-pswp-item layzr-bg" data-large_image_width="1080" data-large_image_height="787" data-dt-img-description="" title="Rheo-Impedance Spectroscopy detail"><img decoding="async" class="preload-me owl-lazy-load aspect" src="data:image/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%20787%20787&#39;%2F%3E" data-src="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS-6-Ghost-787x787.jpeg" data-srcset="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS-6-Ghost-787x787.jpeg 787w" loading="eager" style="--ratio: 787 / 787" sizes="(max-width: 787px) 100vw, 787px" alt="Rheo-Impedance Spectroscopy detail" width="787" height="787"  /><span class="gallery-rollover"><span class="gallery-zoom-ico icomoon-the7-font-the7-zoom-06"><span></span></span></span></a></figure></div><div data-post-id="104510" data-date="2024-03-26T16:16:08+00:00" data-name="Rheo-Impedance Spectroscopy detail"><figure class="post"><a href="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS-8-Detail-Sample-No-cover.jpeg" class="rollover dt-pswp-item layzr-bg" data-large_image_width="1080" data-large_image_height="797" data-dt-img-description="" title="Rheo-Impedance Spectroscopy detail"><img decoding="async" class="preload-me owl-lazy-load aspect" src="data:image/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%20797%20797&#39;%2F%3E" data-src="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS-8-Detail-Sample-No-cover-797x797.jpeg" data-srcset="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS-8-Detail-Sample-No-cover-797x797.jpeg 797w" loading="eager" style="--ratio: 797 / 797" sizes="(max-width: 797px) 100vw, 797px" alt="Rheo-Impedance Spectroscopy detail" width="797" height="797"  /><span class="gallery-rollover"><span class="gallery-zoom-ico icomoon-the7-font-the7-zoom-06"><span></span></span></span></a></figure></div><div data-post-id="104512" data-date="2024-03-26T16:17:15+00:00" data-name="Rheo-Impedance Spectroscopy detail"><figure class="post"><a href="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS-9-Detail-Geo-Hover.jpeg" class="rollover dt-pswp-item layzr-bg" data-large_image_width="1080" data-large_image_height="787" data-dt-img-description="" title="Rheo-Impedance Spectroscopy detail"><img decoding="async" class="preload-me owl-lazy-load aspect" src="data:image/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%20787%20787&#39;%2F%3E" data-src="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS-9-Detail-Geo-Hover-787x787.jpeg" data-srcset="https://www.tainstruments.com.cn/wp-content/uploads/DHR-RheoIS-9-Detail-Geo-Hover-787x787.jpeg 787w" loading="eager" style="--ratio: 787 / 787" sizes="(max-width: 787px) 100vw, 787px" alt="Rheo-Impedance Spectroscopy detail" width="787" height="787"  /><span class="gallery-rollover"><span class="gallery-zoom-ico icomoon-the7-font-the7-zoom-06"><span></span></span></span></a></figure></div></div><div class="vc_empty_space"   style="height: 50px"><span class="vc_empty_space_inner"></span></div></div></div></div></div><div class="vc_row wpb_row vc_row-fluid dt-default" style="margin-top: 0px;margin-bottom: 0px"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="vc_empty_space"   style="height: 25px"><span class="vc_empty_space_inner"></span></div>
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			<h3>索取报价</h3>

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</div><p>The post <a href="https://www.tainstruments.com.cn/%e6%b5%81%e5%8f%98-%e9%98%bb%e6%8a%97%e8%b0%b1/">流变-阻抗谱</a> first appeared on <a href="https://www.tainstruments.com.cn">TA仪器</a>.</p>]]></content:encoded>
					
		
		
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		<title>自动修边附件</title>
		<link>https://www.tainstruments.com.cn/auto-trim/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=auto-trim</link>
		
		<dc:creator><![CDATA[Sam Barnes]]></dc:creator>
		<pubDate>Tue, 21 Feb 2023 05:00:27 +0000</pubDate>
				<category><![CDATA[DHR 附件]]></category>
		<guid isPermaLink="false">https://www.tainstruments.com.cn/?p=101927</guid>

					<description><![CDATA[]]></description>
										<content:encoded><![CDATA[<div class="wpb-content-wrapper" id="wpb-content-root"><div class="vc_row wpb_row vc_row-fluid dt-default" style="margin-top: 0px;margin-bottom: 0px"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="vc_row wpb_row vc_inner vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-6"><div class="vc_column-inner"><div class="wpb_wrapper">
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<div class="productheader"><strong>自动修边附件</strong></div>
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<p><a href="https://tainstruments.com/pdf/brochure/TA-Instruments-HRaccessories-Brochure-EN.pdf" class="btn-shortcode dt-btn-s dt-btn default-btn-color default-btn-hover-color default-btn-bg-color default-btn-bg-hover-color" target="_blank" id="dt-btn-3" rel="noopener"><span>查看宣传册</span></a> <a href="https://www.tainstruments.com/sales-contact" class="btn-shortcode dt-btn-s dt-btn default-btn-color default-btn-hover-color default-btn-bg-color default-btn-bg-hover-color" id="dt-btn-4"><span>请求报价</span></a></p>
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			<div class="vc_single_image-wrapper  "><img loading="lazy" decoding="async" width="900" height="900" src="https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Smart-Trim_4-Beauty_Straight-Detail-Red-Sample.png" class="vc_single_image-img attachment-full" alt="" title="DHR_HR30_Smart-Trim_4-Beauty_Straight-Detail-Red-Sample" srcset="https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Smart-Trim_4-Beauty_Straight-Detail-Red-Sample.png 900w, https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Smart-Trim_4-Beauty_Straight-Detail-Red-Sample-300x300.png 300w, https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Smart-Trim_4-Beauty_Straight-Detail-Red-Sample-150x150.png 150w, https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Smart-Trim_4-Beauty_Straight-Detail-Red-Sample-768x768.png 768w" sizes="auto, (max-width: 900px) 100vw, 900px"  data-dt-location="https://www.tainstruments.com.cn/auto-trim/dhr_hr30_smart-trim_4-beauty_straight-detail-red-sample/" /></div>
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</div></div></div></div><div class="vc_empty_space"   style="height: 32px"><span class="vc_empty_space_inner"></span></div><div id="advanced-tabs-desc-wrap-8677" class="ult_tabs " style=" " data-tabsstyle="style1"
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			<p>DHR 自动修边附件可对样品进行自动化加热和修边，进而简化了聚合物熔体流变学检测过程。在测量期间，用户无需打开温控炉手动对样品修边，只需连接附件、加载样品，然后点击开始，即可完成整个实验的运行。TA 独有的技术可在测量过程中的适当时间点自动调节样品、调整间隙以及对样品修边，无需操作员进行任何的干预。因此，操作员的离机时间可增加80%，新用户操作适应时间可从 2 周缩短至 30 分钟，由操作员认为因素可能对结果的影响也大大降低。可实现在不牺牲数据一致性的情况下节省宝贵的操作员时间，自动修边附件可让您在不到 2 年的时间内收回投资。自动修边附件让您的实验室能够自信地运行更多的测试，加速产品研发和上市时间。</p>
<p>如果操作员的离机时间可增加 80%，节省的时间将为您取得怎样的业绩？</p>

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			<div class="vc_single_image-wrapper  "><img loading="lazy" decoding="async" width="1024" height="772" src="https://www.tainstruments.com.cn/wp-content/uploads/smash-crop-1024x772-1.png" class="vc_single_image-img attachment-large" alt="" title="smash-crop-1024x772" srcset="https://www.tainstruments.com.cn/wp-content/uploads/smash-crop-1024x772-1.png 1024w, https://www.tainstruments.com.cn/wp-content/uploads/smash-crop-1024x772-1-300x226.png 300w, https://www.tainstruments.com.cn/wp-content/uploads/smash-crop-1024x772-1-768x579.png 768w" sizes="auto, (max-width: 1024px) 100vw, 1024px"  data-dt-location="https://www.tainstruments.com.cn/auto-trim/smash-crop-1024x772/" /></div>
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			<h4>技术</h4>
<p>这款正在申请专利的新型自动修边附件使用 Smart SwapTM技术，可将标准 DHR 10、20 或 30 转换为半自动的聚合物熔体流变仪！测量程序与使用带熔融环的标准平行板夹具流变仪完全相同，但自动修边附件用一次性修剪器代替了熔融环，可在适当的时间自动去除所有多余的样品。该修边操作确保每次测量均以适当的样品量运行，以获得可重复性结果。由于每次测试均使用新的修边器，因此样品修边的一致性非常高。自动修边附件的额定温度为 300 °C，并与 ETC 烤箱兼容。</p>

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			<div class="vc_single_image-wrapper vc_box_rounded "><img loading="lazy" decoding="async" width="1862" height="2219" src="https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Smart-Trim_6-Detail-Cutter-UP.png" class="vc_single_image-img attachment-full" alt="" title="DHR_HR30_Smart-Trim_6-Detail-Cutter-UP" srcset="https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Smart-Trim_6-Detail-Cutter-UP.png 1862w, https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Smart-Trim_6-Detail-Cutter-UP-252x300.png 252w, https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Smart-Trim_6-Detail-Cutter-UP-859x1024.png 859w, https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Smart-Trim_6-Detail-Cutter-UP-768x915.png 768w, https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Smart-Trim_6-Detail-Cutter-UP-1289x1536.png 1289w, https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Smart-Trim_6-Detail-Cutter-UP-1719x2048.png 1719w" sizes="auto, (max-width: 1862px) 100vw, 1862px"  data-dt-location="https://www.tainstruments.com.cn/auto-trim/dhr_hr30_smart-trim_6-detail-cutter-up/" /></div>
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			<h4>特点与优势</h4>

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	</div>
<div class="vc_row wpb_row vc_inner vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-6"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="ult-content-box-container " >		<div class="ult-content-box" style="background-color:#8e8e8e;box-shadow: px px px px none;border-style:solid;border-width:1px;border-radius:10px;border-color:#8e8e8e;padding-top:20px;padding-right:20px;padding-bottom:0px;padding-left:20px;min-height:200px;-webkit-transition: all 700ms ease;-moz-transition: all 700ms ease;-ms-transition: all 700ms ease;-o-transition: all 700ms ease;transition: all 700ms ease;"  data-hover_box_shadow=" 5px 5px 20px 10px #f2f2f2 "     data-bg="#8e8e8e"  data-border_color="#8e8e8e" >
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			<h4><span style="color: #ffffff;">提高生产力</span></h4>
<p><span style="color: #ffffff;">通过自动化大部分实验，用户可以多获得 80% 的离开时间。此外，还可以培训新用户在不到 30 分钟的时间内自信地生成高质量的聚合物熔体流变学数据。</span></p>

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		</div></div></div></div></div><div class="wpb_column vc_column_container vc_col-sm-6"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="ult-content-box-container " >		<div class="ult-content-box" style="background-color:#0092dd;box-shadow: px px px px none;border-style:solid;border-width:1px;border-radius:10px;border-color:#0092dd;padding-top:20px;padding-right:20px;padding-bottom:0px;padding-left:20px;min-height:200px;-webkit-transition: all 700ms ease;-moz-transition: all 700ms ease;-ms-transition: all 700ms ease;-o-transition: all 700ms ease;transition: all 700ms ease;"  data-hover_bg_color="#0092dd"  data-hover_box_shadow=" 5px 5px 20px 10px #f2f2f2 "  data-hover_border_color="#0092dd"     data-bg="#0092dd"  data-border_color="#0092dd" >
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			<h4><span style="color: #ffffff;">提高数据一致性</span></h4>
<p><span style="color: #ffffff;">提高聚合物关键质量属性 (CQA) 的站点到站点和操作员到操作员的一致性，从而节省您的时间和金钱。</span></p>

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			<h4><span style="color: #ffffff;">保留多功能性</span></h4>
<p><span style="color: #ffffff;">自动化不需要放弃流变仪的其他功能。用户可以在 10 秒内更换附件以支持完整的聚合物加工表征。从自动熔体流变程序切换到 DMA 模式下的固体测试以及使用拉伸粘度附件进行扩展。</span></p>

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		</div></div></div></div></div><div class="wpb_column vc_column_container vc_col-sm-6"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="ult-content-box-container " >		<div class="ult-content-box" style="background-color:#8e8e8e;box-shadow: px px px px none;border-style:solid;border-width:1px;border-radius:10px;border-color:#8e8e8e;padding-top:20px;padding-right:20px;padding-bottom:0px;padding-left:20px;min-height:250px;-webkit-transition: all 700ms ease;-moz-transition: all 700ms ease;-ms-transition: all 700ms ease;-o-transition: all 700ms ease;transition: all 700ms ease;"  data-hover_box_shadow=" 5px 5px 20px 10px #f2f2f2 "     data-bg="#8e8e8e"  data-border_color="#8e8e8e" >
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			<h4><span style="color: #ffffff;">实现投资最大化</span></h4>
<p><span style="color: #ffffff;">通过节省宝贵的操作员测试和培训时间，自动配平附件可在不到两年的时间内收回成本。与可用的自动化替代方案相比，DHR 上的自动化以一小部分成本提供了更快的交货时间。</span></p>

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<li>将操作员的离机时间增加 80%，使用完全编程的测量方法，每次测量所需的操作时间不超过两分钟。</li>
<li>通过自动去除多余样品实现出色的数据一致性 – 一致性优于手动修边，即使将流变学专家的数据与经验有限的多个操作员的结果进行比较后也是如此</li>
<li>附件即插即用，可将操作适应时间从 2 周缩短到 30 分钟以内，同时仍能获得高质量数据</li>
<li>借助 SmartSwap 技术，在实现自动化优势的同时，保持进行动态力学分析（DMA）、拉伸黏度和其他流变学测量的多功能性。</li>
<li>无需在测量期间打开温控腔，可防止样品温度的波动并保持处于惰性环境</li>
<li>无需修改即可适用于颗粒、圆盘和薄片状样品的测试</li>
<li>应用可选 ETC 相机拍摄的修边前后的照片，可自动确认预测试过程和修边质量</li>
</ul>

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			<h4><strong>丙烯腈丁二烯苯乙烯（ABS）手动修边和自动修边附件的交叉模量（Gc）比较 </strong></h4>

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<div class="vc_row wpb_row vc_inner vc_row-fluid vc_column-gap-15"><div class="wpb_column vc_column_container vc_col-sm-6"><div class="vc_column-inner"><div class="wpb_wrapper">
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			<div class="vc_single_image-wrapper  "><img loading="lazy" decoding="async" width="1864" height="1070" src="https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Manual-chart.png" class="vc_single_image-img attachment-full" alt="" title="Crossover-Modulus-Manual-chart" srcset="https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Manual-chart.png 1864w, https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Manual-chart-300x172.png 300w, https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Manual-chart-1024x588.png 1024w, https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Manual-chart-768x441.png 768w, https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Manual-chart-1536x882.png 1536w" sizes="auto, (max-width: 1864px) 100vw, 1864px"  data-dt-location="https://www.tainstruments.com.cn/auto-trim/crossover-modulus-manual-chart/" /></div>
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			<div class="vc_single_image-wrapper  "><img loading="lazy" decoding="async" width="1942" height="1086" src="https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Auto-chart.png" class="vc_single_image-img attachment-full" alt="" title="Crossover-Modulus-Auto-chart" srcset="https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Auto-chart.png 1942w, https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Auto-chart-300x168.png 300w, https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Auto-chart-1024x573.png 1024w, https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Auto-chart-768x429.png 768w, https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Auto-chart-1536x859.png 1536w" sizes="auto, (max-width: 1942px) 100vw, 1942px"  data-dt-location="https://www.tainstruments.com.cn/auto-trim/crossover-modulus-auto-chart/" /></div>
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			<p>交叉点模量是一种常见的聚合物熔体测量方法，因为它提供了对分子量和分子量分布的一致测量。测量交叉点模量是验证一批材料或预测加工性能的非常有用的方法。</p>
<p>众所周知，丙烯腈丁二烯苯乙烯（ABS）是一种在熔体流变学分析方面具有挑战性和耗时的材料，原因是该材料需要较长的松弛时间并且对修剪操作高度敏感。手动数据的变异系数（COV）为 9.1%，为获得足够的松弛时间，每次测试需要专业操作员进行约 21 分钟的操作。自动修剪附件生成数据的 COV 为 3.1%，并且操作人员只需不到 2 分钟的时间即可完成操作。平均值的轻微偏移是由于自动修边附件沿夹具轴进行剪切运动来对样品进行修边。手动修边通常在圆周方向上进行，这会导致一些样品从板之间被“拖出”，从而人为造成模量被测低。该数据表明，即使对于极具挑战性的材料，自动修边附件的设计也能做出极其一致的修边动作，并且基本不受操作员的影响。</p>

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<li><a href="https://www.tainstruments.com.cn/polymer-melt-rheology-workflow-automation-auto-trim-accessory-for-discovery-hybrid-rheometers/">聚合物熔体流变工作流程的自动化：Discovery 混合流变仪的自动修边附件</a></li>
<li><a href="https://www.tainstruments.com/pdf/brochure/BROCH-DHR-Accessories.pdf">查看宣传册</a></li>
<li><a href="https://www.tainstruments.com/sales-contact">请求报价</a></li>
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	        	<a class="ult-tabto-actitle withBorder ult_a " id="1603283687250-5" style="color:#00529b;;background-color:#ffffff;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;" href="#1603283687250-5">
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			<p>DHR 自动修边附件可对样品进行自动化加热和修边，进而简化了聚合物熔体流变学检测过程。在测量期间，用户无需打开温控炉手动对样品修边，只需连接附件、加载样品，然后点击开始，即可完成整个实验的运行。TA 独有的技术可在测量过程中的适当时间点自动调节样品、调整间隙以及对样品修边，无需操作员进行任何的干预。因此，操作员的离机时间可增加80%，新用户操作适应时间可从 2 周缩短至 30 分钟，由操作员认为因素可能对结果的影响也大大降低。可实现在不牺牲数据一致性的情况下节省宝贵的操作员时间，自动修边附件可让您在不到 2 年的时间内收回投资。自动修边附件让您的实验室能够自信地运行更多的测试，加速产品研发和上市时间。</p>
<p>如果操作员的离机时间可增加 80%，节省的时间将为您取得怎样的业绩？</p>

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	        	<a class="ult-tabto-actitle withBorder ult_a " id="1603283687260-2" style="color:#00529b;;background-color:#ffffff;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;" href="#1603283687260-2">
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						<span  data-ultimate-target='#advanced-tabs-wrap-6385 .ult-span-text'  data-responsive-json-new='{"font-size":"desktop:16px;","line-height":""}'  class="ult-span-text no_icon ult_acordian-text ult-responsive" style="font-weight:bold;;color:inherit " >技术</span>
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			<h4>技术</h4>
<p>这款正在申请专利的新型自动修边附件使用 Smart SwapTM技术，可将标准 DHR 10、20 或 30 转换为半自动的聚合物熔体流变仪！测量程序与使用带熔融环的标准平行板夹具流变仪完全相同，但自动修边附件用一次性修剪器代替了熔融环，可在适当的时间自动去除所有多余的样品。该修边操作确保每次测量均以适当的样品量运行，以获得可重复性结果。由于每次测试均使用新的修边器，因此样品修边的一致性非常高。自动修边附件的额定温度为 300 °C，并与 ETC 烤箱兼容。</p>

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						<span  data-ultimate-target='#advanced-tabs-wrap-6385 .ult-span-text'  data-responsive-json-new='{"font-size":"desktop:16px;","line-height":""}'  class="ult-span-text no_icon ult_acordian-text ult-responsive" style="font-weight:bold;;color:inherit " >特点与优势</span>
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			<h4>特点与优势</h4>

		</div>
	</div>
<div class="vc_row wpb_row vc_inner vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-6"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="ult-content-box-container " >		<div class="ult-content-box" style="background-color:#8e8e8e;box-shadow: px px px px none;border-style:solid;border-width:1px;border-radius:10px;border-color:#8e8e8e;padding-top:20px;padding-right:20px;padding-bottom:0px;padding-left:20px;min-height:200px;-webkit-transition: all 700ms ease;-moz-transition: all 700ms ease;-ms-transition: all 700ms ease;-o-transition: all 700ms ease;transition: all 700ms ease;"  data-hover_box_shadow=" 5px 5px 20px 10px #f2f2f2 "     data-bg="#8e8e8e"  data-border_color="#8e8e8e" >
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			<h4><span style="color: #ffffff;">提高生产力</span></h4>
<p><span style="color: #ffffff;">通过自动化大部分实验，用户可以多获得 80% 的离开时间。此外，还可以培训新用户在不到 30 分钟的时间内自信地生成高质量的聚合物熔体流变学数据。</span></p>

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		</div></div></div></div></div><div class="wpb_column vc_column_container vc_col-sm-6"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="ult-content-box-container " >		<div class="ult-content-box" style="background-color:#0092dd;box-shadow: px px px px none;border-style:solid;border-width:1px;border-radius:10px;border-color:#0092dd;padding-top:20px;padding-right:20px;padding-bottom:0px;padding-left:20px;min-height:200px;-webkit-transition: all 700ms ease;-moz-transition: all 700ms ease;-ms-transition: all 700ms ease;-o-transition: all 700ms ease;transition: all 700ms ease;"  data-hover_bg_color="#0092dd"  data-hover_box_shadow=" 5px 5px 20px 10px #f2f2f2 "  data-hover_border_color="#0092dd"     data-bg="#0092dd"  data-border_color="#0092dd" >
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			<h4><span style="color: #ffffff;">提高数据一致性</span></h4>
<p><span style="color: #ffffff;">提高聚合物关键质量属性 (CQA) 的站点到站点和操作员到操作员的一致性，从而节省您的时间和金钱。</span></p>

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		</div></div></div></div></div></div><div class="vc_empty_space"   style="height: 20px"><span class="vc_empty_space_inner"></span></div><div class="vc_row wpb_row vc_inner vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-6"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="ult-content-box-container " >		<div class="ult-content-box" style="background-color:#0092dd;box-shadow: px px px px none;border-style:solid;border-width:1px;border-radius:10px;border-color:#0092dd;padding-top:20px;padding-right:20px;padding-bottom:0px;padding-left:20px;min-height:250px;-webkit-transition: all 700ms ease;-moz-transition: all 700ms ease;-ms-transition: all 700ms ease;-o-transition: all 700ms ease;transition: all 700ms ease;"  data-hover_bg_color="#0092dd"  data-hover_box_shadow=" 5px 5px 20px 10px #f2f2f2 "  data-hover_border_color="#0092dd"     data-bg="#0092dd"  data-border_color="#0092dd" >
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			<h4><span style="color: #ffffff;">保留多功能性</span></h4>
<p><span style="color: #ffffff;">自动化不需要放弃流变仪的其他功能。用户可以在 10 秒内更换附件以支持完整的聚合物加工表征。从自动熔体流变程序切换到 DMA 模式下的固体测试以及使用拉伸粘度附件进行扩展。</span></p>

		</div>
	</div>
		</div></div></div></div></div><div class="wpb_column vc_column_container vc_col-sm-6"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="ult-content-box-container " >		<div class="ult-content-box" style="background-color:#8e8e8e;box-shadow: px px px px none;border-style:solid;border-width:1px;border-radius:10px;border-color:#8e8e8e;padding-top:20px;padding-right:20px;padding-bottom:0px;padding-left:20px;min-height:250px;-webkit-transition: all 700ms ease;-moz-transition: all 700ms ease;-ms-transition: all 700ms ease;-o-transition: all 700ms ease;transition: all 700ms ease;"  data-hover_box_shadow=" 5px 5px 20px 10px #f2f2f2 "     data-bg="#8e8e8e"  data-border_color="#8e8e8e" >
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			<h4><span style="color: #ffffff;">实现投资最大化</span></h4>
<p><span style="color: #ffffff;">通过节省宝贵的操作员测试和培训时间，自动配平附件可在不到两年的时间内收回成本。与可用的自动化替代方案相比，DHR 上的自动化以一小部分成本提供了更快的交货时间。</span></p>

		</div>
	</div>
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			<ul>
<li>将操作员的离机时间增加 80%，使用完全编程的测量方法，每次测量所需的操作时间不超过两分钟。</li>
<li>通过自动去除多余样品实现出色的数据一致性 – 一致性优于手动修边，即使将流变学专家的数据与经验有限的多个操作员的结果进行比较后也是如此</li>
<li>附件即插即用，可将操作适应时间从 2 周缩短到 30 分钟以内，同时仍能获得高质量数据</li>
<li>借助 SmartSwap 技术，在实现自动化优势的同时，保持进行动态力学分析（DMA）、拉伸黏度和其他流变学测量的多功能性。</li>
<li>无需在测量期间打开温控腔，可防止样品温度的波动并保持处于惰性环境</li>
<li>无需修改即可适用于颗粒、圆盘和薄片状样品的测试</li>
<li>应用可选 ETC 相机拍摄的修边前后的照片，可自动确认预测试过程和修边质量</li>
</ul>

		</div>
	</div>

				            </div>
	        			</dd><dt class="">
	        	<a class="ult-tabto-actitle withBorder ult_a " id="1658240723051-3-5" style="color:#00529b;;background-color:#ffffff;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;" href="#1658240723051-3-5">
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						<span  data-ultimate-target='#advanced-tabs-wrap-6385 .ult-span-text'  data-responsive-json-new='{"font-size":"desktop:16px;","line-height":""}'  class="ult-span-text no_icon ult_acordian-text ult-responsive" style="font-weight:bold;;color:inherit " >应用</span>
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			<h4><strong>丙烯腈丁二烯苯乙烯（ABS）手动修边和自动修边附件的交叉模量（Gc）比较 </strong></h4>

		</div>
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<div class="vc_row wpb_row vc_inner vc_row-fluid vc_column-gap-15"><div class="wpb_column vc_column_container vc_col-sm-6"><div class="vc_column-inner"><div class="wpb_wrapper">
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			<div class="vc_single_image-wrapper  "><img loading="lazy" decoding="async" width="1864" height="1070" src="https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Manual-chart.png" class="vc_single_image-img attachment-full" alt="" title="Crossover-Modulus-Manual-chart" srcset="https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Manual-chart.png 1864w, https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Manual-chart-300x172.png 300w, https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Manual-chart-1024x588.png 1024w, https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Manual-chart-768x441.png 768w, https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Manual-chart-1536x882.png 1536w" sizes="auto, (max-width: 1864px) 100vw, 1864px"  data-dt-location="https://www.tainstruments.com.cn/auto-trim/crossover-modulus-manual-chart/" /></div>
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	<div  class="wpb_single_image wpb_content_element vc_align_left">
		
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			<div class="vc_single_image-wrapper  "><img loading="lazy" decoding="async" width="1942" height="1086" src="https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Auto-chart.png" class="vc_single_image-img attachment-full" alt="" title="Crossover-Modulus-Auto-chart" srcset="https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Auto-chart.png 1942w, https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Auto-chart-300x168.png 300w, https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Auto-chart-1024x573.png 1024w, https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Auto-chart-768x429.png 768w, https://www.tainstruments.com.cn/wp-content/uploads/Crossover-Modulus-Auto-chart-1536x859.png 1536w" sizes="auto, (max-width: 1942px) 100vw, 1942px"  data-dt-location="https://www.tainstruments.com.cn/auto-trim/crossover-modulus-auto-chart/" /></div>
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			<p>交叉点模量是一种常见的聚合物熔体测量方法，因为它提供了对分子量和分子量分布的一致测量。测量交叉点模量是验证一批材料或预测加工性能的非常有用的方法。</p>
<p>众所周知，丙烯腈丁二烯苯乙烯（ABS）是一种在熔体流变学分析方面具有挑战性和耗时的材料，原因是该材料需要较长的松弛时间并且对修剪操作高度敏感。手动数据的变异系数（COV）为 9.1%，为获得足够的松弛时间，每次测试需要专业操作员进行约 21 分钟的操作。自动修剪附件生成数据的 COV 为 3.1%，并且操作人员只需不到 2 分钟的时间即可完成操作。平均值的轻微偏移是由于自动修边附件沿夹具轴进行剪切运动来对样品进行修边。手动修边通常在圆周方向上进行，这会导致一些样品从板之间被“拖出”，从而人为造成模量被测低。该数据表明，即使对于极具挑战性的材料，自动修边附件的设计也能做出极其一致的修边动作，并且基本不受操作员的影响。</p>

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</div><p>The post <a href="https://www.tainstruments.com.cn/auto-trim/">自动修边附件</a> first appeared on <a href="https://www.tainstruments.com.cn">TA仪器</a>.</p>]]></content:encoded>
					
		
		
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		<title>粉体流变</title>
		<link>https://www.tainstruments.com.cn/%e7%b2%89%e4%bd%93%e6%b5%81%e5%8f%98%e5%ad%a6/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=%25e7%25b2%2589%25e4%25bd%2593%25e6%25b5%2581%25e5%258f%2598%25e5%25ad%25a6</link>
		
		<dc:creator><![CDATA[Sam Barnes]]></dc:creator>
		<pubDate>Thu, 11 Aug 2022 16:02:11 +0000</pubDate>
				<category><![CDATA[DHR 附件]]></category>
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<div class="productheader"><strong>粉体流变学</strong></div>
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			<p>粉体流变附件将 DHR 的功能扩展至粉体应用领域，能够表征粉体在存储、分配、加工和最终使用过程中的特性。 通过对固结粉体在环境条件或受控温度下的动态流动性和剪切特性进行定量测量，可加速产品研发和工艺优化。筛选进仓原料可检测非预期行为，从而避免大规模生产时发生问题，同时还可提供颗粒级粉体形态变化的数据，为具有挑战性的工艺问题提供解决方案。</p>

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			<h4>特点与优势</h4>
<ul>
<li>从液体或固体样品检测切换到粉体样品检测可在不到 10 秒的时间内快速切换，以满足快速变化的测量需求</li>
<li>使用可互换工具测量加工、分配、储存和最终使用过程中的粉体行为，以了解其动态流动性、剪切特性等</li>
<li>通过快速、简洁直观的样品加载和自动调节方案实现可重复性结果测定</li>
<li>操作员无需培训即可使用 – TRIOS 粉体测试简化了常规测试方法，同时实现了完全的可定制</li>
<li>通过可选的粉体分析软件简化数据解读，可一键式报告量化的关键性能指标</li>
<li>可用温度控制：-10 °C 至 150 °C</li>
</ul>

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			<h4>可重现的样品加载</h4>
<p>准确的结果依赖于具有可重现的粉体样品准备。该附件独特的加载工具和自动调节程序可将样品间的差异降至0.2%。</p>

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			<div class="vc_single_image-wrapper vc_box_rounded "><img loading="lazy" decoding="async" width="150" height="150" src="https://www.tainstruments.com.cn/wp-content/uploads/sample-loading.png" class="vc_single_image-img attachment-full" alt="" title="sample loading"  data-dt-location="https://www.tainstruments.com.cn/%e7%b2%89%e4%bd%93%e6%b5%81%e5%8f%98%e5%ad%a6/sample-loading/" /></div>
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			<h4>温度控制</h4>
<p>DHR 提供完整的受控温度下的粉体流变测量，以预测粉体在各种环境条件下的行为。SmartSwap<img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2122.png" alt="™" class="wp-smiley" style="height: 1em; max-height: 1em;" /> Peltier 同心圆筒夹套为每种粉体测量方法提供了一种多功能、方便且安全的解决方案：剪切力、流动性、壁面摩擦和压缩性。</p>
<p>粉体温度通过直接传导加热和冷却来控制。通过上部隔热罩和防止热梯度的复合隔热夹具实现样品温度的均匀性。Peltier 技术可将样品加热至 150°C 并冷却至 -10°C，而无需液氮或机械冷却器。</p>
<p><strong>流动样品体积：21.2 毫升</strong></p>

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			<div class="vc_single_image-wrapper vc_box_rounded "><img loading="lazy" decoding="async" width="150" height="150" src="https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Powder-1_Flow_Beauty-150x150.jpeg" class="vc_single_image-img attachment-thumbnail" alt="" title="DHR_HR30_Powder-1_Flow_Beauty" srcset="https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Powder-1_Flow_Beauty-150x150.jpeg 150w, https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Powder-1_Flow_Beauty-300x300.jpeg 300w, https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Powder-1_Flow_Beauty-1024x1024.jpeg 1024w, https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Powder-1_Flow_Beauty-768x768.jpeg 768w, https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Powder-1_Flow_Beauty-1536x1536.jpeg 1536w, https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Powder-1_Flow_Beauty.jpeg 2000w" sizes="auto, (max-width: 150px) 100vw, 150px"  data-dt-location="https://www.tainstruments.com.cn/%e7%b2%89%e4%bd%93%e6%b5%81%e5%8f%98%e5%ad%a6/dhr_hr30_powder-1_flow_beauty/" /></div>
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			<h4>剪切池</h4>
<p>粉体在锯齿杯和盘中固结，并在不同的正应力下缓慢剪切直至屈服，以报告内聚力、屈服强度、流动函数等。</p>
<p><strong>剪切样品体积：13.1 毫升</strong></p>
<p><em> </em></p>

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			<div class="vc_single_image-wrapper vc_box_rounded "><img loading="lazy" decoding="async" width="150" height="150" src="https://www.tainstruments.com.cn/wp-content/uploads/DHR-Powder_5-Shear-lookdown-detail.png" class="vc_single_image-img attachment-full" alt="" title="DHR-Powder_5-Shear-lookdown-detail"  data-dt-location="https://www.tainstruments.com.cn/%e7%b2%89%e4%bd%93%e6%b5%81%e5%8f%98%e5%ad%a6/dhr-powder_5-shear-lookdown-detail/" /></div>
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			<h4>壁面摩擦</h4>
<p>直接测量固结粉体与固体表面的相互作用并报告壁面摩擦角。包括可互换的光滑和粗糙钢板，可选择不同的材料。</p>
<p><strong>壁面摩擦样品体积：13.1 毫升</strong></p>
<p><em> </em></p>

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			<div class="vc_single_image-wrapper  "><img loading="lazy" decoding="async" width="150" height="150" src="https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_9_Powder-Ambient_Wall-Tool-150x150.png" class="vc_single_image-img attachment-thumbnail" alt="" title="DHR_HR30_9_Powder-Ambient_Wall-Tool"  data-dt-location="https://www.tainstruments.com.cn/%e7%b2%89%e4%bd%93%e6%b5%81%e5%8f%98%e5%ad%a6/dhr_hr30_9_powder-ambient_wall-tool/" /></div>
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			<h4>可压缩性</h4>
<p>预处理粉体受到递增的法向应力，监测样品体积随粉体被压缩而降低，并报告指定法向应力下的可压缩百分比。</p>
<p><strong>可压缩性样品体积：21.2 毫升</strong></p>
<p><em> </em></p>

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			<div class="vc_single_image-wrapper  "><img loading="lazy" decoding="async" width="150" height="150" src="https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_8_Powder-Ambient_Compressibility_GHOST-150x150.png" class="vc_single_image-img attachment-thumbnail" alt="" title="DHR_HR30_8_Powder-Ambient_Compressibility_GHOST"  data-dt-location="https://www.tainstruments.com.cn/%e7%b2%89%e4%bd%93%e6%b5%81%e5%8f%98%e5%ad%a6/dhr_hr30_8_powder-ambient_compressibility_ghost/" /></div>
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			<p>从新配方开发到最终产品性能，粉体材料在各个阶段均面临独特的挑战。粉体流变附件可提供粉体的真实行为的观测数据，可加速解决工艺问题。</p>

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					<h4 class="ff-title">配方</h4>
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			</p>
<p>在研发过程中，配方研发人员受益于对粉粒物料行为的深入了解。在扩大生产过程中可能的意外问题，会导致配方需要重新设计和产品的商业化进程延迟。</p>
<p><strong style="color: #00529b;">粉体流变学检测</strong></p>
<p>小型实验室规模样品 (&lt; 25 mL) 的粉体流变学测量可证明配方改变对可加工性和性能的影响，进而避免未来大规模生产的问题。</p>
<p><span style="color: #00529b;"><strong>表征添加剂对粉体剪切特性的影响</strong></span></p>
<p>成功的配方必须包含所需的成分，同时具有最佳的流变学特性。即使以非常低的水平添加某种新成分也可能会改变粉粒物料的特性。</p>
<p>粉体剪切池对这些变化非常敏感，这可以通过测量沙子与 5% 硅油混合前后的特性得到证明。这种微小的添加显著改变了正应力较低情况下的粉体行为，并将内聚力和屈服强度提高了 10 倍。但最大应力（测量固结时的最大应力）并未受到影响。</p>
<p>通过粉体剪切试验对湿沙建造沙堡的常见效果进行了定量测量，使其可广泛适用于所有粉体配方的优化并满足性能要求。</p>
<p>&nbsp;</p>
<p><img loading="lazy" decoding="async" class="wp-image-161674 size-full aligncenter" src="https://www.tainstruments.com/wp-content/uploads/Powder-Rheology_Sand-Graph-02.png" alt="" width="925" height="568" /></p>
<p><img loading="lazy" decoding="async" class="wp-image-161667 size-full aligncenter" src="https://www.tainstruments.com/wp-content/uploads/Powder-Rheology_Sand-Graph-01.png" alt="" width="925" height="568" /></p>
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					<h4 class="ff-title">储存</h4>
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<p>料斗和筒仓必须针对粉体特性进行优化，以确保一致、受控的分配并避免堵塞、鼠洞流或雪崩的发生。</p>
<p><strong style="color: #00529b;">粉体流变学检测</strong></p>
<p>用于料斗设计中的固结粉体报告参数的剪切测量：内聚力、非受限屈服强度、最大应力、流动函数和内摩擦角。</p>
<p><span style="color: #00529b;"><strong>石墨负极粉体的固结</strong></span></p>
<p>电池阳极浆料中使用的石墨储存在大料斗中，并根据需要分配。粉体上的压缩载荷随料斗内的位置而变化，进而导致粉体特性的变化。在固结应力增加的情况下，石墨粉体剪切测量结果显示屈服强度增加，阻止粉体从料斗中分配，并导致内聚力增加，因此需要更长的混合时间才能均匀分配到浆液中。</p>
<p><img loading="lazy" decoding="async" class="aligncenter size-full wp-image-102195" src="https://www.tainstruments.com.cn/wp-content/uploads/Powder-rheology-storage-tab.png" alt="" width="536" height="498" srcset="https://www.tainstruments.com.cn/wp-content/uploads/Powder-rheology-storage-tab.png 536w, https://www.tainstruments.com.cn/wp-content/uploads/Powder-rheology-storage-tab-300x279.png 300w" sizes="auto, (max-width: 536px) 100vw, 536px" />		</div>
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					<h4 class="ff-title">稳定性</h4>
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<p>粉体形态在混合、加工或长期储存过程中易于发生变化。不稳定性会改变工艺性能并损害最终产品的质量。</p>
<p><strong style="color: #00529b;">粉体流变学检测</strong></p>
<p>流动性测量可检测出会导致药品剂量不准确或工业材料行为不一致的结块、粘结或混合物离析。</p>
<p><strong><span style="color: #00529b;">SLS 打印粉体稳定性</span> </strong></p>
<p>选择性激光烧结（SLS）是一种增材制造工艺，它将粉末状的原材料熔合并形成固体部件，工艺中的大部分粉体未被使用。理想的 SLS 粉体可以从打印床上回收并重新使用，而不会影响其性能。在高温下测量 PA-11 SLS 粉体的无限制流动性，测量温度高于印刷所需的玻璃转化温度并低于熔融温度。重复测量时，粉体的总流动能量仅增加了 4%，表明其行为未发生显著变化，可以成功重复使用。</p>
<p><img loading="lazy" decoding="async" class="aligncenter size-full wp-image-102197" src="https://www.tainstruments.com.cn/wp-content/uploads/Screen-Shot-2023-02-13-at-9.06.31-AM.png" alt="" width="934" height="683" srcset="https://www.tainstruments.com.cn/wp-content/uploads/Screen-Shot-2023-02-13-at-9.06.31-AM.png 934w, https://www.tainstruments.com.cn/wp-content/uploads/Screen-Shot-2023-02-13-at-9.06.31-AM-300x219.png 300w, https://www.tainstruments.com.cn/wp-content/uploads/Screen-Shot-2023-02-13-at-9.06.31-AM-768x562.png 768w" sizes="auto, (max-width: 934px) 100vw, 934px" />		</div>
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					<h4 class="ff-title">加工</h4>
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<p>在生产过程中，粉体需经过进料、混合、制粒、制粉等多道工序。成功的加工需要在所有阶段保证持续的流动性以维持生产的进行。</p>
<p><span style="color: #00529b;"><strong>粉体流变学检测</strong></span></p>
<p>流动能量测量可预测生产关键阶段的工艺性能，包括不同流速的非受限和受限条件。</p>
<p><span style="color: #00529b;"><strong>辅料形态对加工过程流动性的影响</strong></span></p>
<p>为固体剂压片选择的药物粉体赋形剂会影响关键工艺参数 (CPP)。乳糖广泛用于药物，但其流变学特性高度依赖于颗粒形态。</p>
<p>&nbsp;</p>
<p>与喷雾干燥乳糖的光滑球形颗粒不同，研磨后的乳糖呈现出锯齿状、不规则的颗粒形态，因此会发生连结并表现出更大的流动阻力。粉体流动池用于在一定速度范围内测量两种材料，揭示碾磨乳糖在较慢速度时的总流动能量的增加，预测分配或模具填充期间的流速不足。对流动性等 CPP 进行预筛选有助于防止代价高昂的制造问题并确保产品质量。</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p><img loading="lazy" decoding="async" class="aligncenter size-full wp-image-161236" src="https://www.tainstruments.com/wp-content/uploads/Powder-Processing-Graph.png" alt="" width="915" height="506" /></p>
<p>&nbsp;</p>
<div id="attachment_162751" style="width: 254px" class="wp-caption alignleft"><img loading="lazy" decoding="async" aria-describedby="caption-attachment-162751" class="size-full wp-image-162751" src="https://www.tainstruments.com/wp-content/uploads/Milled-powder-rheology-processing.png" alt="" width="244" height="202" /><p id="caption-attachment-162751" class="wp-caption-text">Milled</p></div><br />
<div id="attachment_162758" style="width: 251px" class="wp-caption alignright"><img loading="lazy" decoding="async" aria-describedby="caption-attachment-162758" class="size-full wp-image-162758" src="https://www.tainstruments.com/wp-content/uploads/spray-dried-powder-rheology-processing.png" alt="" width="241" height="189" /><p id="caption-attachment-162758" class="wp-caption-text">Spray-Dried</p></div>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
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					<h4 class="ff-title">最终使用</h4>
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<p>食品、个人护理和消费品必须符合消费者的预期行为。粉体结块或粘结会影响产品的应用，进而降低消费者的接受度。</p>
<p><strong style="color: #00529b;">粉体流变学检测</strong></p>
<p>粉体流变学直接测量分配行为并评估存储条件的影响，例如固结或环境变化。<br />
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<li><a href="https://www.tainstruments.com/powder-rheology-of-lactose-impacts-of-powder-morphology-on-performance-of-pharmaceutical-excipients/">App Note: Powder Rheology of Lactose: Impacts of powder morphology on performance of pharmaceutical excipients</a></li>
<li><a href="https://www.tainstruments.com/powder-rheology-of-graphite-characterization-of-natural-and-synthetic-graphite-for-battery-anode-slurries/">App Note: Powder Rheology of Graphite: Characterization of Natural and Synthetic Graphite for Battery Anode Slurries</a></li>
<li><a href="https://www.tainstruments.com/epoxy-powder-rheology-impact-of-temperature-on-flow-and-shear-properties/">App Note: Epoxy Powder Rheology: Impact of Temperature on Flow and Shear Properties</a></li>
<li><a href="https://www.tainstruments.com/effect-of-moisture-and-substrate-material-on-wall-friction-angle-of-carboxymethyl-cellulose-powder/">App Note: Effect of Moisture and Substrate Material on Wall Friction Angle of Carboxymethyl Cellulose Powder</a></li>
<li><a href="https://www.tainstruments.com/pdf/literature/RH126.pdf">App Note: Effect of Moisture on Cohesion Strength of Carboxymethyl Cellulose Powder</a></li>
<li><a href="https://www.tainstruments.com/wp-content/uploads/BROCH-DHR-Accessories.pdf">查看宣传册</a></li>
<li><a href="https://www.tainstruments.com/sales-contact">联系我们</a></li>
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			<p>粉体流变附件将 DHR 的功能扩展至粉体应用领域，能够表征粉体在存储、分配、加工和最终使用过程中的特性。 通过对固结粉体在环境条件或受控温度下的动态流动性和剪切特性进行定量测量，可加速产品研发和工艺优化。筛选进仓原料可检测非预期行为，从而避免大规模生产时发生问题，同时还可提供颗粒级粉体形态变化的数据，为具有挑战性的工艺问题提供解决方案。</p>

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			<h4>特点与优势</h4>
<ul>
<li>从液体或固体样品检测切换到粉体样品检测可在不到 10 秒的时间内快速切换，以满足快速变化的测量需求</li>
<li>使用可互换工具测量加工、分配、储存和最终使用过程中的粉体行为，以了解其动态流动性、剪切特性等</li>
<li>通过快速、简洁直观的样品加载和自动调节方案实现可重复性结果测定</li>
<li>操作员无需培训即可使用 – TRIOS 粉体测试简化了常规测试方法，同时实现了完全的可定制</li>
<li>通过可选的粉体分析软件简化数据解读，可一键式报告量化的关键性能指标</li>
<li>可用温度控制：-10 °C 至 150 °C</li>
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				               <div class="vc_empty_space"   style="height: 32px"><span class="vc_empty_space_inner"></span></div><div class="vc_row wpb_row vc_inner vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-8"><div class="vc_column-inner"><div class="wpb_wrapper">
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			<h4>可重现的样品加载</h4>
<p>准确的结果依赖于具有可重现的粉体样品准备。该附件独特的加载工具和自动调节程序可将样品间的差异降至0.2%。</p>

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	</div>
</div></div></div><div class="wpb_column vc_column_container vc_col-sm-4"><div class="vc_column-inner"><div class="wpb_wrapper">
	<div  class="wpb_single_image wpb_content_element vc_align_center">
		
		<figure class="wpb_wrapper vc_figure">
			<div class="vc_single_image-wrapper vc_box_rounded "><img loading="lazy" decoding="async" width="150" height="150" src="https://www.tainstruments.com.cn/wp-content/uploads/sample-loading.png" class="vc_single_image-img attachment-full" alt="" title="sample loading"  data-dt-location="https://www.tainstruments.com.cn/%e7%b2%89%e4%bd%93%e6%b5%81%e5%8f%98%e5%ad%a6/sample-loading/" /></div>
		</figure>
	</div>
</div></div></div></div><div class="vc_row wpb_row vc_inner vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-8"><div class="vc_column-inner"><div class="wpb_wrapper">
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			<h4>温度控制</h4>
<p>DHR 提供完整的受控温度下的粉体流变测量，以预测粉体在各种环境条件下的行为。SmartSwap<img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2122.png" alt="™" class="wp-smiley" style="height: 1em; max-height: 1em;" /> Peltier 同心圆筒夹套为每种粉体测量方法提供了一种多功能、方便且安全的解决方案：剪切力、流动性、壁面摩擦和压缩性。</p>
<p>粉体温度通过直接传导加热和冷却来控制。通过上部隔热罩和防止热梯度的复合隔热夹具实现样品温度的均匀性。Peltier 技术可将样品加热至 150°C 并冷却至 -10°C，而无需液氮或机械冷却器。</p>
<p><strong>流动样品体积：21.2 毫升</strong></p>

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	</div>
</div></div></div><div class="wpb_column vc_column_container vc_col-sm-4"><div class="vc_column-inner"><div class="wpb_wrapper">
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		<figure class="wpb_wrapper vc_figure">
			<div class="vc_single_image-wrapper vc_box_rounded "><img loading="lazy" decoding="async" width="150" height="150" src="https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Powder-1_Flow_Beauty-150x150.jpeg" class="vc_single_image-img attachment-thumbnail" alt="" title="DHR_HR30_Powder-1_Flow_Beauty" srcset="https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Powder-1_Flow_Beauty-150x150.jpeg 150w, https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Powder-1_Flow_Beauty-300x300.jpeg 300w, https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Powder-1_Flow_Beauty-1024x1024.jpeg 1024w, https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Powder-1_Flow_Beauty-768x768.jpeg 768w, https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Powder-1_Flow_Beauty-1536x1536.jpeg 1536w, https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_Powder-1_Flow_Beauty.jpeg 2000w" sizes="auto, (max-width: 150px) 100vw, 150px"  data-dt-location="https://www.tainstruments.com.cn/%e7%b2%89%e4%bd%93%e6%b5%81%e5%8f%98%e5%ad%a6/dhr_hr30_powder-1_flow_beauty/" /></div>
		</figure>
	</div>
</div></div></div></div><div class="vc_row wpb_row vc_inner vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-8"><div class="vc_column-inner"><div class="wpb_wrapper">
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			<h4>剪切池</h4>
<p>粉体在锯齿杯和盘中固结，并在不同的正应力下缓慢剪切直至屈服，以报告内聚力、屈服强度、流动函数等。</p>
<p><strong>剪切样品体积：13.1 毫升</strong></p>
<p><em> </em></p>

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			<div class="vc_single_image-wrapper vc_box_rounded "><img loading="lazy" decoding="async" width="150" height="150" src="https://www.tainstruments.com.cn/wp-content/uploads/DHR-Powder_5-Shear-lookdown-detail.png" class="vc_single_image-img attachment-full" alt="" title="DHR-Powder_5-Shear-lookdown-detail"  data-dt-location="https://www.tainstruments.com.cn/%e7%b2%89%e4%bd%93%e6%b5%81%e5%8f%98%e5%ad%a6/dhr-powder_5-shear-lookdown-detail/" /></div>
		</figure>
	</div>
</div></div></div></div><div class="vc_row wpb_row vc_inner vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-8"><div class="vc_column-inner"><div class="wpb_wrapper">
	<div class="wpb_text_column wpb_content_element " >
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			<h4>壁面摩擦</h4>
<p>直接测量固结粉体与固体表面的相互作用并报告壁面摩擦角。包括可互换的光滑和粗糙钢板，可选择不同的材料。</p>
<p><strong>壁面摩擦样品体积：13.1 毫升</strong></p>
<p><em> </em></p>

		</div>
	</div>
</div></div></div><div class="wpb_column vc_column_container vc_col-sm-4"><div class="vc_column-inner"><div class="wpb_wrapper">
	<div  class="wpb_single_image wpb_content_element vc_align_center">
		
		<figure class="wpb_wrapper vc_figure">
			<div class="vc_single_image-wrapper  "><img loading="lazy" decoding="async" width="150" height="150" src="https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_9_Powder-Ambient_Wall-Tool-150x150.png" class="vc_single_image-img attachment-thumbnail" alt="" title="DHR_HR30_9_Powder-Ambient_Wall-Tool"  data-dt-location="https://www.tainstruments.com.cn/%e7%b2%89%e4%bd%93%e6%b5%81%e5%8f%98%e5%ad%a6/dhr_hr30_9_powder-ambient_wall-tool/" /></div>
		</figure>
	</div>
</div></div></div></div><div class="vc_row wpb_row vc_inner vc_row-fluid"><div class="wpb_column vc_column_container vc_col-sm-8"><div class="vc_column-inner"><div class="wpb_wrapper">
	<div class="wpb_text_column wpb_content_element " >
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			<h4>可压缩性</h4>
<p>预处理粉体受到递增的法向应力，监测样品体积随粉体被压缩而降低，并报告指定法向应力下的可压缩百分比。</p>
<p><strong>可压缩性样品体积：21.2 毫升</strong></p>
<p><em> </em></p>

		</div>
	</div>
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			<div class="vc_single_image-wrapper  "><img loading="lazy" decoding="async" width="150" height="150" src="https://www.tainstruments.com.cn/wp-content/uploads/DHR_HR30_8_Powder-Ambient_Compressibility_GHOST-150x150.png" class="vc_single_image-img attachment-thumbnail" alt="" title="DHR_HR30_8_Powder-Ambient_Compressibility_GHOST"  data-dt-location="https://www.tainstruments.com.cn/%e7%b2%89%e4%bd%93%e6%b5%81%e5%8f%98%e5%ad%a6/dhr_hr30_8_powder-ambient_compressibility_ghost/" /></div>
		</figure>
	</div>
</div></div></div></div>
				            </div>
	        			</dd><dt class="">
	        	<a class="ult-tabto-actitle withBorder ult_a " id="1658240723051-3-5" style="color:#00529b;;background-color:#ffffff;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;border-bottom-color:transparent;border-bottom-width:0px;border-bottom-style:solid;" href="#1658240723051-3-5">
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						<span  data-ultimate-target='#advanced-tabs-wrap-8182 .ult-span-text'  data-responsive-json-new='{"font-size":"desktop:16px;","line-height":""}'  class="ult-span-text no_icon ult_acordian-text ult-responsive" style="font-weight:bold;;color:inherit " >应用</span>
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	            		<dd class="ult-tabto-accordionItem ult-tabto-accolapsed">
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			<p>从新配方开发到最终产品性能，粉体材料在各个阶段均面临独特的挑战。粉体流变附件可提供粉体的真实行为的观测数据，可加速解决工艺问题。</p>

		</div>
	</div>

	<div class="wpb_text_column wpb_content_element " >
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	<div class="ff-inside">
					<h4 class="ff-title">配方</h4>
				<div class="ff-tab-content">
			</p>
<p>在研发过程中，配方研发人员受益于对粉粒物料行为的深入了解。在扩大生产过程中可能的意外问题，会导致配方需要重新设计和产品的商业化进程延迟。</p>
<p><strong style="color: #00529b;">粉体流变学检测</strong></p>
<p>小型实验室规模样品 (&lt; 25 mL) 的粉体流变学测量可证明配方改变对可加工性和性能的影响，进而避免未来大规模生产的问题。</p>
<p><span style="color: #00529b;"><strong>表征添加剂对粉体剪切特性的影响</strong></span></p>
<p>成功的配方必须包含所需的成分，同时具有最佳的流变学特性。即使以非常低的水平添加某种新成分也可能会改变粉粒物料的特性。</p>
<p>粉体剪切池对这些变化非常敏感，这可以通过测量沙子与 5% 硅油混合前后的特性得到证明。这种微小的添加显著改变了正应力较低情况下的粉体行为，并将内聚力和屈服强度提高了 10 倍。但最大应力（测量固结时的最大应力）并未受到影响。</p>
<p>通过粉体剪切试验对湿沙建造沙堡的常见效果进行了定量测量，使其可广泛适用于所有粉体配方的优化并满足性能要求。</p>
<p>&nbsp;</p>
<p><img loading="lazy" decoding="async" class="wp-image-161674 size-full aligncenter" src="https://www.tainstruments.com/wp-content/uploads/Powder-Rheology_Sand-Graph-02.png" alt="" width="925" height="568" /></p>
<p><img loading="lazy" decoding="async" class="wp-image-161667 size-full aligncenter" src="https://www.tainstruments.com/wp-content/uploads/Powder-Rheology_Sand-Graph-01.png" alt="" width="925" height="568" /></p>
<p>		</div>
	</div>
</div><br />
<div class="fruitful_tabs_tab">
	<div class="ff-inside">
					<h4 class="ff-title">储存</h4>
				<div class="ff-tab-content">
			</p>
<p>料斗和筒仓必须针对粉体特性进行优化，以确保一致、受控的分配并避免堵塞、鼠洞流或雪崩的发生。</p>
<p><strong style="color: #00529b;">粉体流变学检测</strong></p>
<p>用于料斗设计中的固结粉体报告参数的剪切测量：内聚力、非受限屈服强度、最大应力、流动函数和内摩擦角。</p>
<p><span style="color: #00529b;"><strong>石墨负极粉体的固结</strong></span></p>
<p>电池阳极浆料中使用的石墨储存在大料斗中，并根据需要分配。粉体上的压缩载荷随料斗内的位置而变化，进而导致粉体特性的变化。在固结应力增加的情况下，石墨粉体剪切测量结果显示屈服强度增加，阻止粉体从料斗中分配，并导致内聚力增加，因此需要更长的混合时间才能均匀分配到浆液中。</p>
<p><img loading="lazy" decoding="async" class="aligncenter size-full wp-image-102195" src="https://www.tainstruments.com.cn/wp-content/uploads/Powder-rheology-storage-tab.png" alt="" width="536" height="498" srcset="https://www.tainstruments.com.cn/wp-content/uploads/Powder-rheology-storage-tab.png 536w, https://www.tainstruments.com.cn/wp-content/uploads/Powder-rheology-storage-tab-300x279.png 300w" sizes="auto, (max-width: 536px) 100vw, 536px" />		</div>
	</div>
</div><br />
<div class="fruitful_tabs_tab">
	<div class="ff-inside">
					<h4 class="ff-title">稳定性</h4>
				<div class="ff-tab-content">
			</p>
<p>粉体形态在混合、加工或长期储存过程中易于发生变化。不稳定性会改变工艺性能并损害最终产品的质量。</p>
<p><strong style="color: #00529b;">粉体流变学检测</strong></p>
<p>流动性测量可检测出会导致药品剂量不准确或工业材料行为不一致的结块、粘结或混合物离析。</p>
<p><strong><span style="color: #00529b;">SLS 打印粉体稳定性</span> </strong></p>
<p>选择性激光烧结（SLS）是一种增材制造工艺，它将粉末状的原材料熔合并形成固体部件，工艺中的大部分粉体未被使用。理想的 SLS 粉体可以从打印床上回收并重新使用，而不会影响其性能。在高温下测量 PA-11 SLS 粉体的无限制流动性，测量温度高于印刷所需的玻璃转化温度并低于熔融温度。重复测量时，粉体的总流动能量仅增加了 4%，表明其行为未发生显著变化，可以成功重复使用。</p>
<p><img loading="lazy" decoding="async" class="aligncenter size-full wp-image-102197" src="https://www.tainstruments.com.cn/wp-content/uploads/Screen-Shot-2023-02-13-at-9.06.31-AM.png" alt="" width="934" height="683" srcset="https://www.tainstruments.com.cn/wp-content/uploads/Screen-Shot-2023-02-13-at-9.06.31-AM.png 934w, https://www.tainstruments.com.cn/wp-content/uploads/Screen-Shot-2023-02-13-at-9.06.31-AM-300x219.png 300w, https://www.tainstruments.com.cn/wp-content/uploads/Screen-Shot-2023-02-13-at-9.06.31-AM-768x562.png 768w" sizes="auto, (max-width: 934px) 100vw, 934px" />		</div>
	</div>
</div>
<div class="fruitful_tabs_tab">
	<div class="ff-inside">
					<h4 class="ff-title">加工</h4>
				<div class="ff-tab-content">
			</p>
<p>在生产过程中，粉体需经过进料、混合、制粒、制粉等多道工序。成功的加工需要在所有阶段保证持续的流动性以维持生产的进行。</p>
<p><span style="color: #00529b;"><strong>粉体流变学检测</strong></span></p>
<p>流动能量测量可预测生产关键阶段的工艺性能，包括不同流速的非受限和受限条件。</p>
<p><span style="color: #00529b;"><strong>辅料形态对加工过程流动性的影响</strong></span></p>
<p>为固体剂压片选择的药物粉体赋形剂会影响关键工艺参数 (CPP)。乳糖广泛用于药物，但其流变学特性高度依赖于颗粒形态。</p>
<p>&nbsp;</p>
<p>与喷雾干燥乳糖的光滑球形颗粒不同，研磨后的乳糖呈现出锯齿状、不规则的颗粒形态，因此会发生连结并表现出更大的流动阻力。粉体流动池用于在一定速度范围内测量两种材料，揭示碾磨乳糖在较慢速度时的总流动能量的增加，预测分配或模具填充期间的流速不足。对流动性等 CPP 进行预筛选有助于防止代价高昂的制造问题并确保产品质量。</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p><img loading="lazy" decoding="async" class="aligncenter size-full wp-image-161236" src="https://www.tainstruments.com/wp-content/uploads/Powder-Processing-Graph.png" alt="" width="915" height="506" /></p>
<p>&nbsp;</p>
<div id="attachment_162751" style="width: 254px" class="wp-caption alignleft"><img loading="lazy" decoding="async" aria-describedby="caption-attachment-162751" class="size-full wp-image-162751" src="https://www.tainstruments.com/wp-content/uploads/Milled-powder-rheology-processing.png" alt="" width="244" height="202" /><p id="caption-attachment-162751" class="wp-caption-text">Milled</p></div><br />
<div id="attachment_162758" style="width: 251px" class="wp-caption alignright"><img loading="lazy" decoding="async" aria-describedby="caption-attachment-162758" class="size-full wp-image-162758" src="https://www.tainstruments.com/wp-content/uploads/spray-dried-powder-rheology-processing.png" alt="" width="241" height="189" /><p id="caption-attachment-162758" class="wp-caption-text">Spray-Dried</p></div>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>		</div>
	</div>
</div><br />
<div class="fruitful_tabs_tab">
	<div class="ff-inside">
					<h4 class="ff-title">最终使用</h4>
				<div class="ff-tab-content">
			</p>
<p>食品、个人护理和消费品必须符合消费者的预期行为。粉体结块或粘结会影响产品的应用，进而降低消费者的接受度。</p>
<p><strong style="color: #00529b;">粉体流变学检测</strong></p>
<p>粉体流变学直接测量分配行为并评估存储条件的影响，例如固结或环境变化。<br />
		</div>
	</div>
</div>
<p></div>

		</div>
	</div>

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</div><p>The post <a href="https://www.tainstruments.com.cn/%e7%b2%89%e4%bd%93%e6%b5%81%e5%8f%98%e5%ad%a6/">粉体流变</a> first appeared on <a href="https://www.tainstruments.com.cn">TA仪器</a>.</p>]]></content:encoded>
					
		
		
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		<title>用于 帕尔帖 板的 上板</title>
		<link>https://www.tainstruments.com.cn/%e7%94%a8%e4%ba%8e-%e5%b8%95%e5%b0%94%e5%b8%96-%e6%9d%bf%e7%9a%84-%e4%b8%8a%e6%9d%bf/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=%25e7%2594%25a8%25e4%25ba%258e-%25e5%25b8%2595%25e5%25b0%2594%25e5%25b8%2596-%25e6%259d%25bf%25e7%259a%2584-%25e4%25b8%258a%25e6%259d%25bf</link>
		
		<dc:creator><![CDATA[Juli Varvarezis]]></dc:creator>
		<pubDate>Thu, 07 Jan 2021 20:19:02 +0000</pubDate>
				<category><![CDATA[DHR 附件]]></category>
		<guid isPermaLink="false">https://tainstruments.com.cn/?p=98415</guid>

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<div class="productheader"><strong>帕尔帖 上板</strong></div>
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<p>在进行室温外的测试时，温控相应迅速，精确度无与伦比。</p>
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			<ul class="wpb_tabs_nav ui-tabs-nav vc_clearfix text-big"><li><a href="#tab-1439835598944-0-0">说明</a></li><li><a href="#tab-1439835599407-0-6">特点</a></li><li><a href="#tab-1443728560950-4-5">技术</a></li><li><a href="#tab-1609958101739-3-10">应用</a></li><li><a href="#tab-1626209160124-4-5">Video</a></li></ul>
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			<h3 style="clear: both; text-align: justify;">帕尔贴上板(Upper Peltier Plate, UPP)</h3>
<div style="clear: both; text-align: justify;"></div>
<div style="clear: both; text-align: justify;">
<p>UPP 是一款针对室温外测试的重要的温控系统，温度响应迅速。当温度控制系统仅对样品的一侧进行控制时，甚至仅是在40℃下进行测试，温度测试偏差也可以上升到40%，并且测试偏差随着测试温度偏离室温越多而不断增大。将 UPP 与 帕尔帖 下板结合使用，可在 -40°C 至 200°C 范围内进行均匀而精确的温度控制，从而消除粘度、屈服应力、G’、G” 和 tan δ 等流变数据的测量误差。</p>
<p>UPP 是唯一一种基于 帕尔帖 的上板加热技术，可以直接对样品进行温度测量。该技术通过 TA 的专有技术主动温度控制 (Active Temperature Control, ATC)1 实现。此技术结合了 TA 的专有热扩散器技术2，将热量直接传导到样品，以实现最精确的温度控制和材料表征，从而满足各种测试需求。</p>
</div>
<div style="clear: both; text-align: justify;">(1) 美国专有号</div>
<div style="clear: both; text-align: justify;">(2) 美国专有号</div>

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			<h3>特点和优势</h3>
<ul>
<li>专有热扩散器可将热量直接传导到样品上，从而使样品温度均匀，消除测量误差。</li>
<li>通过 帕尔帖 元件驱动的快速响应的温度控制，可提高生产力。</li>
<li>简单紧凑配置，工作温度范围广泛（从-40°C 到 200°C*），无需液氮或机械冷却器</li>
<li>使用专有 ATC 直接测量样品温度带来了无与伦比的热炉系统（ETC 和 FCO）数据重现性。</li>
<li>保护样品不受环境影响：
<ul>
<li>溶剂池选项：防止水性样品和挥发性样品的蒸发</li>
<li>热屏蔽：防止湿气凝结</li>
<li>气体吹扫端口：防止在惰性气体环境中降解</li>
</ul>
</li>
<li>与附加配件兼容，满足各种测试需求：
<ul>
<li>所有 帕尔帖 板，包括一次性板和旋入式板</li>
<li>紫外线固化附件</li>
<li>模块化显微镜 (MMA)</li>
<li>光学板附件 (OPA)</li>
</ul>
</li>
</ul>
<p>* 测试温度最高 200 °C，需要带有 UPP 的 HT-APP</p>

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			<h3 style="text-align: justify;">技术</h3>
<p style="text-align: justify;"><a href="https://tainstruments.com.cn/wp-content/uploads/DHP-UPP-Ghost.jpg"><img loading="lazy" decoding="async" class="alignright wp-image-108492 size-full" src="https://tainstruments.com.cn/wp-content/uploads/DHP-UPP-Ghost.jpg" alt="" width="650" height="644" /></a></p>
<p style="text-align: justify;">UPP 创新的 帕尔帖 元件设计最大限度地提高了温度响应速度，并在无需液氮或昂贵的流体循环器配置的情况下打开了环境温度以下的测试通道。无论是设计温度梯度、温度斜坡还是创建复杂的温度变化程序来模拟加工条件，UPP 的快速温度响应都将满足您的测试需求。</p>
<p style="text-align: justify;">TA 专有主动温度控制 (ATC) 提供非接触式温度传感，可主动测量和控制测试上表面。PRT 直接放置于在样品之上，与上部夹具的中心紧密贴合。无需复杂的校准程序和补偿数据表。配合 帕尔帖 下板上的 PRT，DHR 可以以相同的速率改变样品上方和下方的温度，从而获得真实的温度斜坡曲线和数据精度。ATC 技术使得使用 UPP 获得的数据与使用其他温度系统(如 ETC 炉)获得的数据一致。</p>
<p style="text-align: justify;">TA 的专有热扩散器技术将热量直接传导到样品上，从而确保了垂直和径向的样品温度均匀。与同类竞品不同，该技术在所有测试间隙下都可以提供精确的测量，这对于样品装载和样品制备选择十分方便，尤其是较厚的样品。</p>
<p style="text-align: justify;">这些技术协同工作，实现了快速准确的温度控制，在不影响测量精度的情况下提高了生产率。</p>

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			<h3 style="text-align: justify;">UPP 应用</h3>
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					<h4 class="ff-title">沥青粘结剂粘度</h4>
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<p><img loading="lazy" decoding="async" class="alignnone size-full wp-image-105312" src="https://tainstruments.com.cn/wp-content/uploads/UPP-access-brochure-Asphalt.jpg" alt="" width="511" height="344" /></p>
<p style="text-align: justify;">根据联邦标准，在进行流变测量之前，沥青粘结剂样品需要在测试温度下达到完全平衡，误差±0.1℃。如上图所示，在实验开始的几分钟内，温度迅速而准确地从 25°C 跃升到 85°C。数据进一步表明，只要温度误差控制在 0.1°C 以内，沥青粘结剂粘度就完全平衡。即使在额外的 20 分钟后，粘度也没有变化，这表明设定值和实际样品温度之间的延迟极低。无论是设计温度梯度、温度斜坡还是复杂的温度程序来精确模拟加工条件，UPP 的快速精确响应可减少测试之间的时间，从而在不影响测量精度的情况下提高生产率。</p>
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					<h4 class="ff-title">塑料溶胶固化</h4>
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<p><img loading="lazy" decoding="async" class="alignnone size-full wp-image-42063" src="https://tainstruments.com.cn/wp-content/uploads/UPP-access-brochure-Plastisols.jpg" alt="dma" width="511" height="344" /></p>
<p style="text-align: justify;">流变数据通常用于优化加工条件，如确定操作温度、成型周期时间、退火等。即使是很小的温度误差（尤其是样品温度不均匀）也会导致数据错误，加工条件不正确，最终导致产品性能不佳。</p>
<p style="text-align: justify;">图中显示了使用三种温度系统配置的塑料溶胶的温度斜坡：一个组合对流辐射炉 (ETC)，一个单独的 帕尔帖 下板，以及配合使用 帕尔帖 上板（UPP）的 帕尔帖 下板 。当从顶部和底部加热样品时，样品的温度曲线是均匀的，例如，在 ETC 和 UPP 中。由于从顶部和底部均匀加热样品，ETC 和 UPP 配置的数据完全一致。固化温度（）约为 60°C （G’急剧升高）。然而，只使用 帕尔帖 下板加热样品时，样品温度滞后于加热程序温度，导致样品中存在温度梯度。这导致样品的固化起始温度滞后到月70℃左右。UPP 的直接温度控制使用户能够获得精确的流变测量数据和无与伦比的数据重复性，即使与其他不同温度系统配置进行比较也毫不逊色。</p>
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					<h4 class="ff-title">表征粘合剂</h4>
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<p><img loading="lazy" decoding="async" class="aligncenter size-medium wp-image-99243" src="https://tainstruments.com.cn/wp-content/uploads/Characterization-of-adhesives-chart-300x240.jpg" alt="" width="300" height="240" srcset="https://www.tainstruments.com.cn/wp-content/uploads/Characterization-of-adhesives-chart-300x240.jpg 300w, https://www.tainstruments.com.cn/wp-content/uploads/Characterization-of-adhesives-chart.jpg 645w" sizes="auto, (max-width: 300px) 100vw, 300px" /></p>
<p style="text-align: justify;">一款粘合剂的成功与否和适用性取决于它与基材的粘合能力及抗剥离能力。用户可通过测量粘弹特性（如 G &#8216;、G” 和 tan δ）量化性能特征，如粘结强度、粘合力和工作温度范围。例如，压敏胶 (PSA) 的性能窗口对 Tg 高度敏感，因为 Tg 决定了了 PSA 的最低使用温度。</p>
<p style="text-align: justify;">在这个 PSA 示例中，振荡温度斜坡的变温速率为 5°C/min 。tanδ的峰值定义为材料的Tg, 图中显示为 6.90°C ，即材料的最低使用温度。G’ 和 G” 在-30℃~200℃的变化曲线量化了材料在此温度区间的粘合强度和粘接性能变化提。材料的粘接和抗剥离性能可以在使用温度下采用频率扫描进一步研究在UPP 的简单配置提供了精确的温度控制，即使在低于室温温度下也不需要液氮或机械冷却器。</p>
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</div><p>The post <a href="https://www.tainstruments.com.cn/%e7%94%a8%e4%ba%8e-%e5%b8%95%e5%b0%94%e5%b8%96-%e6%9d%bf%e7%9a%84-%e4%b8%8a%e6%9d%bf/">用于 帕尔帖 板的 上板</a> first appeared on <a href="https://www.tainstruments.com.cn">TA仪器</a>.</p>]]></content:encoded>
					
		
		
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		<title>干式沥青附件</title>
		<link>https://www.tainstruments.com.cn/%e5%b9%b2%e5%bc%8f%e6%b2%a5%e9%9d%92%e9%99%84%e4%bb%b6-2/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=%25e5%25b9%25b2%25e5%25bc%258f%25e6%25b2%25a5%25e9%259d%2592%25e9%2599%2584%25e4%25bb%25b6-2</link>
		
		<dc:creator><![CDATA[Sam Barnes]]></dc:creator>
		<pubDate>Wed, 03 Jun 2020 13:37:55 +0000</pubDate>
				<category><![CDATA[DHR 附件]]></category>
		<guid isPermaLink="false">http://tainstruments.com.cn/?p=98167</guid>

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<h3 class="productheader">高灵敏度压力<br />
单元附件</h3>
<div class="productsubheader" style="width: 100%;">
<p>在加压环境下对流体进行全面的黏弹性表征。</p>
<p><a href="https://www.tainstruments.com/wp-content/uploads/DHR-Accessories-brochure.pdf" class="btn-shortcode dt-btn-s dt-btn default-btn-color default-btn-hover-color default-btn-bg-color default-btn-bg-hover-color" target="_blank" id="dt-btn-9" rel="noopener"><span>查看宣传册</span></a> <a href="http://tainstruments.com.cn/%e8%81%94%e7%b3%bb/ta-directory/?lang=zh-hans" class="btn-shortcode dt-btn-s dt-btn default-btn-color default-btn-hover-color default-btn-bg-color default-btn-bg-hover-color" id="dt-btn-10"><span>联系我们</span></a></p>
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			<div class="vc_single_image-wrapper  "><img loading="lazy" decoding="async" width="400" height="400" src="https://www.tainstruments.com.cn/wp-content/uploads/HR-High-sensitivity-pressure-cell-L.jpg" class="vc_single_image-img attachment-full" alt="" title="HR-High-sensitivity-pressure-cell L" srcset="https://www.tainstruments.com.cn/wp-content/uploads/HR-High-sensitivity-pressure-cell-L.jpg 400w, https://www.tainstruments.com.cn/wp-content/uploads/HR-High-sensitivity-pressure-cell-L-300x300.jpg 300w, https://www.tainstruments.com.cn/wp-content/uploads/HR-High-sensitivity-pressure-cell-L-150x150.jpg 150w" sizes="auto, (max-width: 400px) 100vw, 400px"  data-dt-location="https://www.tainstruments.com.cn/%e5%b9%b2%e5%bc%8f%e6%b2%a5%e9%9d%92%e9%99%84%e4%bb%b6-2/hr-high-sensitivity-pressure-cell-l/" /></div>
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			<ul class="wpb_tabs_nav ui-tabs-nav vc_clearfix text-big"><li><a href="#tab-1439835598944-0-0">说明</a></li><li><a href="#tab-1561685347988-4-9">技术</a></li><li><a href="#tab-1472762026871-4-4">特点和优点</a></li><li><a href="#tab-1561661987872-4-1">技术参数</a></li><li><a href="#tab-1472752247476-5-2">应用</a></li></ul>
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			<p style="text-align: justify;">适用于 DHR 的全新高灵敏度压力单元 (HSPC) 可在加压环境下对流体进行全面的黏弹性表征。HSPC 是删除一款能够在受控大气压下，对低黏度聚合物溶液和结构流体进行多种动态振荡测试的装置。传统压力单元采用机械轴承，不仅严重制约了低扭矩灵敏度，而且导致对大多数样品无法进行黏弹性表征。HSPC 采用创新型空气轴承密封，具有无可匹敌的低扭矩性能，其扭矩灵敏度高出传统装置 100 倍，因此即使在高于挥发性成分沸点的温度下，用户仍能对多种流体的关键特性进行表征，如与时间、频率以及应变相关的特性。新的测试条件范围可提供代表极端加工和使用条件（例如井下或挤压环境）下的材料特性信息。</p>

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			<p style="text-align: justify;"><img loading="lazy" decoding="async" class="wp-image-114875 alignright" src="https://www.tainstruments.com/wp-content/uploads/DHR_HSPC_3Q_Down_Ghost-Labeled.jpg" alt="" width="415" height="498" />HSPC 的同心圆筒测量系统利用压缩空气流和创新的封盖设计来对样品容量加压。HSPC 采用自对齐设计，方便任何人轻松快速地进行组装，从而确保了低扭矩测量，出色的重现性以及更多的测试时间。直接测量并保存样品压力以完整记录样品环境，将所有相关测试信息存储在一个方便的 TRIOS 数据文件中。高灵敏度压力单元 (HSPC) 扩展了 DHR 在加压条件下研究材料的功能，增加了动态振荡测试功能，可实现全面的黏弹性表征。</p>

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			<p><strong>特点和优点</strong></p>
<ul>
<li>创新的非机械轴承设计可将扭矩灵敏度提高 100 倍</li>
<li>删除的扭矩灵敏度可对黏弹性特性进行表征</li>
<li>采用 Peltier 同心圆筒套可在 -5 °C 至 150 °C 范围内实现稳定、精确的温度控制</li>
<li>可控制高达 5 bar 的大气压力，模拟加工和使用条件</li>
<li>与强大的 TRIOS 软件完全集成，可以通过流变数据直接测量和记录样品压力</li>
<li>易于使用的自对齐设计可保证任何时间都能达到低扭矩性能</li>
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			<p><strong>性能规范</strong></p>
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<td valign="top" width="312"><strong>温度范围</strong></td>
<td valign="top" width="312">-5 to 150 °C</td>
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<td valign="top" width="312"><strong>压力范围</strong></td>
<td valign="top" width="312">0 – 5 bar</td>
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<td valign="top" width="312"><strong> 小扭矩（动态）</strong></td>
<td valign="top" width="312">1 µN.m</td>
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<td valign="top" width="312"><strong> 小扭矩（稳</strong><strong>态）</strong></td>
<td valign="top" width="312">10 µN.m</td>
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<td valign="top" width="312"><strong>加压气体</strong></td>
<td valign="top" width="312">空气或氮气</td>
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			<p style="text-align: justify;"><strong>加压条件下黄原胶溶液的表征</strong></p>
<p><img loading="lazy" decoding="async" class="alignnone wp-image-114882" src="https://www.tainstruments.com/wp-content/uploads/characterization-of-xanthan-gum-solution-under-pressure.png" alt="" width="528" height="328" /></p>
<p>在高于沸点的温度下测量流体的黏弹性颇具挑战， 突出的问题是挥发性成分流失，导致材料成分发生变化。现已采用各种方法和装置防止溶剂挥发或蒸发；这些方法和装置可以在较高温度下延缓材料成分的变化，但当温度高于沸点时则不再发挥作用。加压测试环境是在这种条件下表征材料流变特性的删除方法。</p>
<p>黄原胶通常用作凝胶和食品应用的添加剂。在高灵敏度压力单元中，对 2.5 wt% 的黄原胶水溶液进行测试，并将温度以 5 °C/min 的幅度从 25 °C 上升到 120 °C。在整个温度范围内，甚至在高于水的沸点的温度下，测量了动态模量（G’和 G”）的变化。在温度接近 95℃ 时，清晰地呈现出交叉点，表示材料从凝胶态变为类液态聚合物溶液。追踪黏弹性的变化并识别模量交叉点等关键的关注点，可以深入、全面地了解材料在极端加工或使用条件下的黏弹性特性。</p>

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</div><p>The post <a href="https://www.tainstruments.com.cn/%e5%b9%b2%e5%bc%8f%e6%b2%a5%e9%9d%92%e9%99%84%e4%bb%b6-2/">干式沥青附件</a> first appeared on <a href="https://www.tainstruments.com.cn">TA仪器</a>.</p>]]></content:encoded>
					
		
		
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		<title>干式沥青附件</title>
		<link>https://www.tainstruments.com.cn/%e5%b9%b2%e5%bc%8f%e6%b2%a5%e9%9d%92%e9%99%84%e4%bb%b6/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=%25e5%25b9%25b2%25e5%25bc%258f%25e6%25b2%25a5%25e9%259d%2592%25e9%2599%2584%25e4%25bb%25b6</link>
		
		<dc:creator><![CDATA[Sam Barnes]]></dc:creator>
		<pubDate>Wed, 03 Jun 2020 13:17:04 +0000</pubDate>
				<category><![CDATA[DHR 附件]]></category>
		<guid isPermaLink="false">http://tainstruments.com.cn/?p=98158</guid>

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<h3 class="productheader"><strong>干式沥青附件</strong></h3>
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<p>用于沥青测试的干式沥青附件和 FastTrack 软件。</p>
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<p><a href="https://www.tainstruments.com/wp-content/uploads/BROCH-DHR-Accessories.pdf" class="btn-shortcode dt-btn-s dt-btn default-btn-color default-btn-hover-color default-btn-bg-color default-btn-bg-hover-color" target="_blank" id="dt-btn-11" rel="noopener"><span>查看宣传册</span></a> <a href="http://tainstruments.com.cn/%e8%81%94%e7%b3%bb/ta-directory/?lang=zh-hans" class="btn-shortcode dt-btn-s dt-btn default-btn-color default-btn-hover-color default-btn-bg-color default-btn-bg-hover-color" id="dt-btn-12"><span>联系我们</span></a></p>
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			<div class="vc_single_image-wrapper  "><img loading="lazy" decoding="async" width="538" height="388" src="https://www.tainstruments.com.cn/wp-content/uploads/FastTrack.jpg" class="vc_single_image-img attachment-large" alt="" title="FastTrack" srcset="https://www.tainstruments.com.cn/wp-content/uploads/FastTrack.jpg 538w, https://www.tainstruments.com.cn/wp-content/uploads/FastTrack-300x216.jpg 300w" sizes="auto, (max-width: 538px) 100vw, 538px"  data-dt-location="https://www.tainstruments.com.cn/%e5%b9%b2%e5%bc%8f%e6%b2%a5%e9%9d%92%e9%99%84%e4%bb%b6/fasttrack/" /></div>
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			<ul class="wpb_tabs_nav ui-tabs-nav vc_clearfix text-big"><li><a href="#tab-1439835598944-0-0">说明</a></li><li><a href="#tab-1439835599407-0-6">技术</a></li><li><a href="#tab-1443728560950-4-5">特点和优点</a></li><li><a href="#tab-1571088148722-3-10">性能</a></li><li><a href="#tab-1571088198164-4-9">软件</a></li></ul>
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			<h3 style="text-align: left;" align="center">用于沥青测试的干式沥青和 FastTrack</h3>
<div style="clear: both; text-align: justify;">
<p>用于沥青测试的全新 Discovery 系列动态剪切流变仪 (DSR) 是 TA 仪器的新/全新一代旋转流变仪。全新 Discovery 混合型流变仪 (DHR) 整合了获得专有的磁悬浮轴承设计和卓越的拖杯电机技术，采用坚固耐用的封装，具备卓越的性能。DSR 由易于使用的 FastTrack 软件包提供支持，专为实施符合 ASTM 和 AASHTO 标准的测试设计，几乎不需要培训即可直观地指导操作员进行各种常规测试。DSR 可以配备丰富多样的模块化配置，以适应从质控到高级研发的各类测试。其中包括便捷、反应灵敏的干式沥青系统、环境控制炉 (ETC)、Peltier 和电加热同心圆筒以及用于扭转和摩擦测试的夹具。</p>
<p>TA 仪器的 Discovery 系列 DSR 凭借先进的硬件和易于使用的软件的独特组合可提供专门针对沥青行业需求而量身定制的综合套装。有热分析和流变学领域的全球领导者 TA 仪器作为强大后盾，Discovery 混合型流变仪附件齐全，可满足甚至超越当前及未来 ASTM 和 AASHTO 标准规定的各项要求。</p>
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			<h3 style="text-align: justify;">干式沥青附件</h3>
<p><img loading="lazy" decoding="async" class="alignright size-medium wp-image-99237" src="https://tainstruments.com.cn/wp-content/uploads/ATC-tech-300x287.jpg" alt="" width="300" height="287" srcset="https://www.tainstruments.com.cn/wp-content/uploads/ATC-tech-300x287.jpg 300w, https://www.tainstruments.com.cn/wp-content/uploads/ATC-tech-768x735.jpg 768w, https://www.tainstruments.com.cn/wp-content/uploads/ATC-tech.jpg 833w" sizes="auto, (max-width: 300px) 100vw, 300px" /><br />
TA Instruments 的干式沥青系统可满足沥青测试实验室的独特需求，符合或超过 SHRP、ASTM 和 AASHTO 要求。该系统包括一个快速响应的上 Peltier 板 (UPP) 和带旋入板的分段式下 Peltier 板，可消除样品中的垂直温度梯度，提供最均匀和准确的样品温度。</p>
<p>&nbsp;</p>
<p>这是一个可以独立运转的系统，包括上 Peltier 板、分段式旋入下 Peltier 板、8mm 和 25mm 平行板各两组，以及沥青样品模具。</p>
<p>&nbsp;</p>
<p>其他配置</p>
<p>TA Instruments提供了一整套环境控制系统和测试夹具系统，可满足 广泛的测试要求。除标准配置外，还可应要求提供用于开发新颖和新测试方法的自定义夹具系统。</p>
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					<h4 class="ff-title">环境测试室（ETC）</h4>
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			 环境测试箱(ETC）结合了辐射和对流加热技术，温度范围为 -160 ℃ 至 600 ℃，最大加热速率高达 60 ℃/min。测试固定装置采用一个可方便包装的套件，包括 8mm 和 25mm 平行板以及硅胶样品制备模具。还可提供 4mm 平行板。可选圆柱形扭转端件，用于在室温下对沥青芯样品进行疲劳测试。ETC 还可配备四球摩擦学固定装置，直接测量摩擦力和润滑情况，进一步扩展 TA Instruments DSR 的功能范围		</div>
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					<h4 class="ff-title">Peltier同心</h4>
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			Peltier 同心圆筒系统可提供 -20 至 150 °C 的温度范围，适用于在 DSR 上进行 AASHTO T316 测试。符合 DIN 标准、类型多样的转子和杯、叶片转子、槽杯和双间隙转子和杯，补充有一个宽间隙锥形转子，专用于测试胶改性碎沥青。		</div>
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			<h3>特点和优点</h3>
<ul>
<li>符合以下标准：AASHTO T315, T350, M332, TP-101, TP-123, T316, ASTM D7175, D7405</li>
<li>Smart Swap<img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2122.png" alt="™" class="wp-smiley" style="height: 1em; max-height: 1em;" /> 技术</li>
<li>宽温度范围：
<ul>
<li>干式沥青系统：-40 ℃* 至 150 ℃</li>
<li>环境控制炉 (ETC): -160 °C 至 600 °C</li>
<li>Peltier 同心圆筒：-20 ℃* 至 150 ℃</li>
</ul>
</li>
<li>干式沥青系统的主要特征：
<ul>
<li>消除垂直温度梯度</li>
<li>与 Peltier 液体冷却、循环器或气体冷却选件兼容</li>
<li>专有热扩散器技术，实现最优热传递</li>
<li>大大缩短热平衡时间</li>
</ul>
</li>
<li>一站式沥青测试系统 &#8211; 包括以下内容：
<ul>
<li>Peltier 上板</li>
<li>分段式旋入下 Peltier 板</li>
<li>8mm 和 25mm 平行板</li>
<li>样品模具</li>
<li>样品修建、板移除工具和环境覆盖物（仅限干式沥青系统）</li>
<li>可选 4mm 板</li>
</ul>
</li>
<li>由 FastTrack 软件进行自动温度校准</li>
</ul>
<p>*使用适当的冷却装置</p>

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			<p style="text-align: justify;">任何流变仪温度控制系统的真正测试都是将样品响应与所报告系统温度进行比较。对于紧密接触加热的下部 Peltier 装置和上部非接触式加热装置的组合，此评估尤为重要。在这种情况下，上板的加热速度比底板要慢。由于上板和下板的加热速率不同，因此样品温度与所报告的系统温度差异很大。在竞争产品中，样品响应滞后于温度曲线，这要求用户确定基于系统的热平衡时间并设置较长的延迟。TA 独特的 UHP 设计可通过持续控制并使上板和下板温度一致的方式解决这一问题。下图通过简单的振荡时间扫描测量展现了这种精确的响应。</p>
<p style="text-align: justify;"><img loading="lazy" decoding="async" class="wp-image-117578 size-full aligncenter" src="https://www.tainstruments.com/wp-content/uploads/Asphalt-Binder-chart.png" alt="" width="600" height="422" />该图显示了对沥青粘合剂样品进行的测试，根据联邦标准，只有在温度完全平衡到设定值的 0.1°C 以内时才能进行测试。数据表明，复数黏度响应与所报告的温度曲线完全一致，证明只要温度在 0.1°C 以内，则设定值和实际样品温度之间没有滞后现象，沥青结合料的黏度就完全平衡，即使再过 20 分钟，黏度也不会发生变化。通过使上下温度和加热速率一致，TA 实现了先进、 准确的非接触式加热技术。</p>

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<p>TA 仪器隆重推出了专用软件包 FastTrack，该软件包已经过优化，可用于在 DHR 旋转流变仪上对沥青结合料进行测试和分级。为了便于操作，FastTrack 采用了一系列人性化设计，包括直观易用的图形化界面以及与沥青样品流变测试相关的全套 AASHTO 和 ASTM 测试。基于简单易用的设计理念，借助直观的界面通过一系列与上下文相关的指令和视频，以可视化方式指导操作员完成整个测试程序。醒目直观的视觉提示使仪器的当前状态一目了然。</p>
<p>FastTrack 提供了灵活的配置，可以根据具体的测试需求进行全面优化。这包括原始结合料、轧制薄膜炉 (RTFO)、压力老化容器 (PAV) 样品测试，支持多级重复蠕变 (MSCR)、大振幅扫描 (LAS) 和结合料屈服能测试 (BYET) 等标准测试，以及自动温度校准和 Cannon 标准验证。每次测试，该软件都会根据标准中定义的通过/不通过标准自动评估数据，并生成用于记录和审计的报告。</p>

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</div><p>The post <a href="https://www.tainstruments.com.cn/%e5%b9%b2%e5%bc%8f%e6%b2%a5%e9%9d%92%e9%99%84%e4%bb%b6/">干式沥青附件</a> first appeared on <a href="https://www.tainstruments.com.cn">TA仪器</a>.</p>]]></content:encoded>
					
		
		
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		<title>界面交换单元</title>
		<link>https://www.tainstruments.com.cn/interfacial-exchange-cell/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=interfacial-exchange-cell</link>
		
		<dc:creator><![CDATA[Stephanie Keller]]></dc:creator>
		<pubDate>Thu, 31 Jan 2019 21:25:58 +0000</pubDate>
				<category><![CDATA[DHR 附件]]></category>
		<guid isPermaLink="false">http://www.tainstruments.com.cn/interfacial-exchange-cell/</guid>

					<description><![CDATA[]]></description>
										<content:encoded><![CDATA[<div class="wpb-content-wrapper" id="wpb-content-root"><div class="vc_row wpb_row vc_row-fluid dt-default" style="margin-top: 0px;margin-bottom: 0px"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper">
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<p><img loading="lazy" decoding="async" class="alignright wp-image-98123 size-medium" src="http://tainstruments.com.cn/wp-content/uploads/HR-interf-exchange-cell-L-300x300.jpg" alt="" width="300" height="300" srcset="https://www.tainstruments.com.cn/wp-content/uploads/HR-interf-exchange-cell-L-300x300.jpg 300w, https://www.tainstruments.com.cn/wp-content/uploads/HR-interf-exchange-cell-L-150x150.jpg 150w, https://www.tainstruments.com.cn/wp-content/uploads/HR-interf-exchange-cell-L.jpg 400w" sizes="auto, (max-width: 300px) 100vw, 300px" /></p>
</div>
<div class="productheader"><strong>界面交换单元</strong></div>
<div class="productsubheader">在界面流变阶段改变亚相化学过程。<br />
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<div class="productsubheader"><a href="https://www.tainstruments.com/wp-content/uploads/Interfacial-Cell-Spread.pdf" class="btn-shortcode dt-btn-s dt-btn default-btn-color default-btn-hover-color default-btn-bg-color default-btn-bg-hover-color" target="_blank" id="dt-btn-13" rel="noopener"><span>查看宣传册</span></a> <a href="http://tainstruments.com.cn/sales-contact/?lang=zh-hans#ffs-tabbed-12" class="btn-shortcode dt-btn-s dt-btn default-btn-color default-btn-hover-color default-btn-bg-color default-btn-bg-hover-color" id="dt-btn-14"><span>联系我们</span></a></div>
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			<ul class="wpb_tabs_nav ui-tabs-nav vc_clearfix text-big"><li><a href="#tab-1439835598944-0-0">说明</a></li><li><a href="#tab-1449594277528-3-5">技术</a></li><li><a href="#tab-1449771197092-3-10">应用</a></li><li><a href="#tab-1535035491899-3-9">资源</a></li></ul>
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			<h3 style="clear: both; text-align: justify;"><strong>界面交换单元</strong></h3>
<p style="text-align: justify;">界面交换单元具有在流变测量期间直接控制较低液体层（亚相）成分的功能，扩展了 TA 仪器在界面流变测量方面的专有产品。这种独特的功能可以表征改变后的亚相组成的界面反应，从而使量化 pH、盐或药物浓度变化的影响，或加入新的蛋白质、表面活性剂或其他活性成分成为可能。</p>

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			<h3>技术</h3>
<p style="text-align: justify;">界面交换单元由三个关键部件组成：双壁环结构、带有入口和出口的交换单元槽和计算机控制的注射泵。交换单元的设计基于 Schroyren 等人的计算流体动力学模拟理论(1)，优化后，在保持界面高度不变的情况下，可删除/广泛限度地改善成分的均匀性，同时尽量减少将流体泵入交换单元时界面处的应力。</p>
<p style="text-align: justify;">(1) Schroyen 等，Rheologica Acta，第 56 卷，第 1 期，1-10 页</p>
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					<h4 class="ff-title">交换单元槽</h4>
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<p><strong>交换单元槽</strong></p>
<p><img loading="lazy" decoding="async" class="alignnone size-full wp-image-107787" src="https://www.tainstruments.com/wp-content/uploads/Interfacial-Exchange-cell-Trough.png" alt="" width="700" height="347" /></p>
<p style="text-align: justify;">特殊设计的双壁界面槽 (2) 具有专门放置的流体入口和出口，用于在流变测量期间交换亚相。在实验过程中，通过位于单元底部的 4 个入口引入新的亚相，同时通过位于流体/流体界面下方的 4 个出口排出相同体积的亚相。这种同步交换过程和平衡槽设计可确保进入和流出的流体体积一致，保证在整个测试过程中亚相体积和界面位置恒定。</p>
<p style="text-align: justify;">(2) 美国专有号 </p>
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					<h4 class="ff-title">双壁环</h4>
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<p><strong><img loading="lazy" decoding="async" class="wp-image-107801 alignright" src="https://www.tainstruments.com/wp-content/uploads/Interfacial-Exchange-Cell-Double-Wall-Ring.jpg" alt="" width="313" height="348" />双壁环<br />
</strong></p>
<p style="text-align: justify;">界面交换单元采用超低惯性双壁环 (DWR) 作为测量结构。DWR 具有大直径和菱形截面，可以“固定”环的界面，是获取灵敏的定量界面流变数据的删除/优选设备。</p>
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					<h4 class="ff-title">注射泵</h4>
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<p><strong>注射泵</strong></p>
<p style="text-align: justify;"><img loading="lazy" decoding="async" class="alignnone wp-image-107808" src="https://www.tainstruments.com/wp-content/uploads/Interfacial-Exchange-Cell-Syringe-Pump.jpg" alt="" width="497" height="268" /></p>
<p style="text-align: justify;">亚相交换由可同步注入/抽出的注射泵精确执行，注射泵通过 TRIOS 软件直接控制和编程。两侧各有一对注射器，在保持界面高度不变的情况下，实现亚相体积的完全均匀交换。在典型 6 mL/min 流速下，单元内的亚相体积可在 8 分钟内完全交换。</p>
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			<h3><img loading="lazy" decoding="async" class=" wp-image-107862 alignright" src="https://www.tainstruments.com/wp-content/uploads/Interfacial-Exchange-cell-Plot.png" alt="" width="505" height="397" />应用</h3>
<p style="text-align: justify;"><strong>控制肥皂溶液的注入</strong></p>
<p style="text-align: justify;">吸附在油/水界面上的蛋白质网络的界面强度受 pH 值、盐浓度和是否存在表面活性剂等因素的影响。在此示例中，磷酸盐缓冲生理盐水和十二烷之间形成了一层强大而稳定的牛血清白蛋白网络。</p>
<p style="text-align: justify;">然后，将亚相中的缓冲溶液与稀释的肥皂溶液交换。注入肥皂溶液后的几分钟内，界面模量下降了几个数量级，表明蛋白质界面受到严重破坏。表面活性剂的加入降低了表面张力，使蛋白质分子脱离界面。随着时间的推移，表面活性剂在界面上不断累积，通过置换或相分离过程对原有的蛋白质界面造成严重破坏。</p>

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			<h3>Resources</h3>
<p>“<a href="https://link.springer.com/article/10.1007/s00397-016-0976-x">A versatile subphase exchange cell for interfacial shear rheology</a>”, B. Schroyen, D. Z. Gunes, J. Vermant, Rheologica Acta, 2017 年，第 56 卷 (1)，1-10 页</p>
<p>网络研讨会: <a href="https://www.tainstruments.com/gerald-fuller-interfacial-rheology/">界面流变学</a> 斯坦福大学 Gerry Fuller 教授</p>

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</div><p>The post <a href="https://www.tainstruments.com.cn/interfacial-exchange-cell/">界面交换单元</a> first appeared on <a href="https://www.tainstruments.com.cn">TA仪器</a>.</p>]]></content:encoded>
					
		
		
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		<title>流变-拉曼附件</title>
		<link>https://www.tainstruments.com.cn/%e6%b5%81%e5%8f%98-%e6%8b%89%e6%9b%bc%e9%99%84%e4%bb%b6/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=%25e6%25b5%2581%25e5%258f%2598-%25e6%258b%2589%25e6%259b%25bc%25e9%2599%2584%25e4%25bb%25b6</link>
		
		<dc:creator><![CDATA[Stephanie Keller]]></dc:creator>
		<pubDate>Thu, 31 Jan 2019 20:45:55 +0000</pubDate>
				<category><![CDATA[DHR 附件]]></category>
		<guid isPermaLink="false">http://www.tainstruments.com.cn/rheo-raman-accessory/</guid>

					<description><![CDATA[]]></description>
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<p><img loading="lazy" decoding="async" class="alignright wp-image-98115 size-medium" src="http://tainstruments.com.cn/wp-content/uploads/HR-dual-stage-pelt-L-1-300x300.jpg" alt="" width="300" height="300" srcset="https://www.tainstruments.com.cn/wp-content/uploads/HR-dual-stage-pelt-L-1-300x300.jpg 300w, https://www.tainstruments.com.cn/wp-content/uploads/HR-dual-stage-pelt-L-1-150x150.jpg 150w, https://www.tainstruments.com.cn/wp-content/uploads/HR-dual-stage-pelt-L-1.jpg 400w" sizes="auto, (max-width: 300px) 100vw, 300px" /></p>
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<div class="productheader"><strong>流变-拉曼附件</strong></div>
<div class="productsubheader">Discovery 混合型流变仪可同步进行流变学和拉曼光谱学测量.<br />
<div class="vc_empty_space"   style="height: 5px"><span class="vc_empty_space_inner"></span></div><a href="https://www.tainstruments.com/wp-content/uploads/Rheo-Raman-Brochure-Spread.pdf" class="btn-shortcode dt-btn-s dt-btn default-btn-color default-btn-hover-color default-btn-bg-color default-btn-bg-hover-color" target="_blank" id="dt-btn-15" rel="noopener"><span>查看宣传册</span></a> <a href="https://www.tainstruments.com/sales-contact/#ffs-tabbed-12" class="btn-shortcode dt-btn-s dt-btn default-btn-color default-btn-hover-color default-btn-bg-color default-btn-bg-hover-color" id="dt-btn-16"><span>联系我们</span></a></div>
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			<h3 style="clear: both; text-align: justify;"><strong>流变-拉曼附件</strong></h3>
<p style="clear: both; text-align: justify;">使用 Discovery 混合型流变仪的新型流变-拉曼附件可在流变测量实验过程中同步收集拉曼光谱数据。拉曼光谱学是一种提供分子结构和键合相关重要信息的技术，并为可说明纯物质与混合物的分子间相互作用。其中包括关于材料结晶度和构象有序度的信息。TA 仪器的流变-拉曼附件集成了 Thermo Fisher Scientific 公司的 iXR 拉曼光谱仪，可提供通过 1 类激光认证的交钥匙安全系统.</p>

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			<h3>特性</h3>
<ul>
<li>与 Thermo Fisher 的 iXR 拉曼光谱仪集成运行</li>
<li>可选择不同的激光器，以删除/广泛限度实现多功能性
<ul>
<li>432 nm、532 nm 和 785 nm（高亮度、高功率选件）</li>
<li>用户可自行安装的激光器组，能够快速轻松地切换激光器</li>
</ul>
</li>
<li>通过 1 类激光认证的多个互锁装置</li>
<li>在所有正常使用情况下均安全无虞</li>
<li>自由空间耦合可删除/广泛限度提高到达样品的激光强度</li>
<li>软件集成可使流变-拉曼实验无缝衔接
<ul>
<li>在 TRIOS 和 Thermo Scientific OMNIC<sup>TM</sup> 软件间同步收集数据</li>
<li>在 OMNIC 软件中执行流变-拉曼数据分析</li>
</ul>
</li>
<li>使用上加热板 (UHP)  高可控制 100 <sup>o</sup>C 的温度</li>
<li>光学操作台能够在测量时保持优异的稳定性、对准能力且不会产生振动</li>
<li>测微计可测量任何径向位置</li>
<li>通过精细的轴向调整对准样品内部</li>
<li>石英板可删除/广泛限度消除荧光产生的假影</li>
</ul>

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			<h3>应用</h3>
<p style="text-align: justify;">研究了化妆品乳液加热后分子顺序产生的变化与流体性质之间的直接联系。将样品以 1°C/min 的速度从 25 °C 加热到 90 °C – 在振荡测试过程中，监测流变数据，同时记录拉曼光谱.</p>
<p style="text-align: center;"><strong>温度对拉曼光谱的影响</strong></p>
<p>&nbsp;</p>
<p><img loading="lazy" decoding="async" class="wp-image-110712 aligncenter" src="https://www.tainstruments.com/wp-content/uploads/Rheo-Raman-Chart-1.png" alt="" width="696" height="509" /></p>
<p>&nbsp;</p>
<p>上图列出了温度对样品光谱的影响。在光谱的两个特定范围观察到明显的变化，并确定了下列峰值以进行进一步分析。</p>
<ol>
<li>C-C 邻位交叉/反式峰值 (1060 cm-1/1080 cm-1)</li>
<li>CH2 对称/反对称拉伸峰值（2960 cm-1，2904 cm-1）</li>
</ol>
<p>峰值强度的比例（邻位交叉和反式，对称和反对称）可以表明样品的链构象和晶体秩序特点.</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p style="text-align: center;"><strong>流变-拉曼分析范围</strong></p>
<p><img loading="lazy" decoding="async" class="wp-image-110719 aligncenter" src="https://www.tainstruments.com/wp-content/uploads/Rheo-Raman-Chart-2a-b.png" alt="" width="700" height="394" /></p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p style="text-align: justify;">升温测试的流变-拉曼结果如上图所示，图中的数据表示整体流变和化学结构变化之间具有良好的一致性。加热乳液时，其储能和损耗模量明显下降。同时，对称/反对称峰值比减小，邻位交叉构象异构体的数量增加.</p>
<p style="text-align: justify;">总的来说，拉曼光谱的变化揭示了链迁移率的增加和向非晶态含量的转变，这与十六烷醇的熔化和样品流变性一致。此示例证明流变-拉曼分析可以有效呈现化学结构变化与流变学的具体联系，便于配方设计师根据化学成分按规定调整产品性能.</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p style="text-align: center;"><strong>定量流变-拉曼分析</strong></p>
<p><img loading="lazy" decoding="async" class="wp-image-110726 aligncenter" src="https://www.tainstruments.com/wp-content/uploads/Rheo-Raman-Chart-3.png" alt="" width="701" height="424" /></p>

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</div><p>The post <a href="https://www.tainstruments.com.cn/%e6%b5%81%e5%8f%98-%e6%8b%89%e6%9b%bc%e9%99%84%e4%bb%b6/">流变-拉曼附件</a> first appeared on <a href="https://www.tainstruments.com.cn">TA仪器</a>.</p>]]></content:encoded>
					
		
		
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		<title>UV Curing &#8211; Light Guide</title>
		<link>https://www.tainstruments.com.cn/uv-curing-light-guide/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=uv-curing-light-guide</link>
		
		<dc:creator><![CDATA[Super Admin]]></dc:creator>
		<pubDate>Fri, 29 Apr 2016 10:08:58 +0000</pubDate>
				<category><![CDATA[DHR 附件]]></category>
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<p><img loading="lazy" decoding="async" class="alignright wp-image-98112 size-medium" src="http://tainstruments.com.cn/wp-content/uploads/HR-Uv-1-L-300x300.jpg" alt="" width="300" height="300" srcset="https://www.tainstruments.com.cn/wp-content/uploads/HR-Uv-1-L-300x300.jpg 300w, https://www.tainstruments.com.cn/wp-content/uploads/HR-Uv-1-L-150x150.jpg 150w, https://www.tainstruments.com.cn/wp-content/uploads/HR-Uv-1-L.jpg 400w" sizes="auto, (max-width: 300px) 100vw, 300px" /></p>
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<div class="productheader">UV Curing &#8211; Light Guide</div>
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<p>这种附件采用光导管和反射镜组件，从高压汞光源中分离出紫外线。</p>
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			<ul class="wpb_tabs_nav ui-tabs-nav vc_clearfix text-big"><li><a href="#tab-1439835598944-0-0">产品描述</a></li><li><a href="#tab-1439835599407-0-6">技术</a></li><li><a href="#tab-1449771197092-3-10">应用</a></li></ul>
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			<h3 style="clear: both; text-align: justify;">UV Curing &#8211; Light Guide</h3>
<p style="text-align: justify;">紫外线固化材料目前已广泛应用于涂料、粘合剂和墨水中。当这类材料暴露于紫外线时，通常会在数秒到数分钟内发生快速交联反应。我们为这类材料的流变学表征准备了两种 Smart Swap<img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2122.png" alt="™" class="wp-smiley" style="height: 1em; max-height: 1em;" /> 附件，分别适用于 DHR 流变仪。其中一种附件采用了光导管和反射镜组件，可从高压汞光源中分离出紫外线。另一个附件则采用独立发光二极管 (LED) 阵列，直接照射样品。紫外线固化附件包括 20 mm 石英装片、紫外线护板和氮气吹扫盖。可选使用上 Peltier 板 (UPP) 进行温度控制，最高温度为 150 °C。针对固化后无法从石英装片上移除的硬质紫外涂层，我们还提供可抛型装片。</p>

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					<h4 class="ff-title">紫外光导管附件技术</h4>
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<p><img loading="lazy" decoding="async" class="alignnone size-full wp-image-42129" src="http://tainstruments.com.cn/wp-content/uploads/uv-curing.jpg" alt="紫外线固化" width="851" height="417" srcset="https://www.tainstruments.com.cn/wp-content/uploads/uv-curing.jpg 851w, https://www.tainstruments.com.cn/wp-content/uploads/uv-curing-300x147.jpg 300w, https://www.tainstruments.com.cn/wp-content/uploads/uv-curing-768x376.jpg 768w" sizes="auto, (max-width: 851px) 100vw, 851px" /></p>
<p><strong>紫外光导管附件技术</strong></p>
<p style="text-align: justify;">紫外光导管附件包括下层的 Smart Swap<img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2122.png" alt="™" class="wp-smiley" style="height: 1em; max-height: 1em;" /> 组件并且配有石英装片、光源底座、准直器、5 mm 直径光导管和紫外汞灯光源（Excelitas 公司 OmniCure S2000）。可提供从 320 nm 到 500 nm 的宽幅波长谱图，其主峰位于 365 nm 处。而最大输出强度则高于 300 mW/cm<sup>2</sup>。此外，我们还提供光源的外部滤光片及其支架。</p>
<h3 style="text-align: justify;">特点和优点</h3>
<ul>
<li style="text-align: justify;">Smart Swap<img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2122.png" alt="™" class="wp-smiley" style="height: 1em; max-height: 1em;" /> 技术</li>
<li style="text-align: justify;">小巧方便</li>
<li style="text-align: justify;">准直光和反射镜组件可确保光线均匀穿过整块装片</li>
<li style="text-align: justify;">透过装片的最大光强度为 300 mW/cm<sup>2</sup></li>
<li style="text-align: justify;">宽光谱范围，主峰位于 365 nm 处</li>
<li style="text-align: justify;">每个系统可选配特定波长的滤光片</li>
<li style="text-align: justify;">盖上带有氮气吹扫端口</li>
<li style="text-align: justify;">可选配可抛型亚克力平板</li>
<li style="text-align: justify;">可选使用上 Peltier 板 (UPP) 控制温度到 150°C</li>
<li style="text-align: justify;">可通过软件编程调整触发时间和强度</li>
</ul>
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					<h4 class="ff-title">紫外线 LED 附件技术</h4>
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<p><img loading="lazy" decoding="async" class="alignnone size-full wp-image-42131" src="http://tainstruments.com.cn/wp-content/uploads/uv-curing-1.jpg" alt="紫外线固化" width="623" height="368" srcset="https://www.tainstruments.com.cn/wp-content/uploads/uv-curing-1.jpg 623w, https://www.tainstruments.com.cn/wp-content/uploads/uv-curing-1-300x177.jpg 300w" sizes="auto, (max-width: 623px) 100vw, 623px" /></p>
<h3>紫外线 LED 附件技术</h3>
<p style="text-align: justify;">紫外线 LED 附件采用发光二极管阵列，可提供单一波长的光。LED 阵列装配在 PCB 上，并固定在水冷夹套中，可在使用过程中冷却 LED。和紫外光导管系统一样，LED 的排布可确保光均匀穿过装片。LED 附件共有两套，波长分别为 365 nm 和 455 nm。删除/广泛输出紫外线强度分别为 150 mW/cm<sup>2</sup> 和 350 mW/cm<sup>2</sup>。两者均可通过 Smart Swap 选件完全集成到流变仪。并且可通过软件轻松对触发时间和强度进行编程。</p>
<p style="text-align: justify;"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-42133" src="http://tainstruments.com.cn/wp-content/uploads/uv-curing-2.jpg" alt="紫外线固化" width="616" height="520" srcset="https://www.tainstruments.com.cn/wp-content/uploads/uv-curing-2.jpg 616w, https://www.tainstruments.com.cn/wp-content/uploads/uv-curing-2-300x253.jpg 300w" sizes="auto, (max-width: 616px) 100vw, 616px" /></p>
<h3 style="text-align: justify;">特点和优点</h3>
<ul>
<li style="text-align: justify;">Smart Swap<img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2122.png" alt="™" class="wp-smiley" style="height: 1em; max-height: 1em;" /> 技术</li>
<li style="text-align: justify;">采用新技术取代了汞球管系统</li>
<li style="text-align: justify;">365 nm 波长的峰值强度为 150 mW/cm<sup>2</sup></li>
<li style="text-align: justify;">455 nm 波长的峰值强度为 350 mW/cm<sup>2</sup></li>
<li style="text-align: justify;">强度不会随时间减弱</li>
<li style="text-align: justify;">LED 直接位于装片下方，保证光均匀穿过装片</li>
<li style="text-align: justify;">紧凑且完全集成化设计，集电源、强度设定和触发开关于一体</li>
<li style="text-align: justify;">盖上带有氮气吹扫端口</li>
<li style="text-align: justify;">可选配可抛型亚克力平板</li>
<li style="text-align: justify;">可选使用上 Peltier 板 (UPP) 控制温度到 150°C</li>
</ul>
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			<h3>紫外线附件应用</h3>
<p style="text-align: justify;">此类附件可通过监测弹性 (G’) 和粘性 (G”) 模量，研究紫外线固化反应。左侧的例子即为使用紫外光导管附件研究压敏粘合剂 (PSA) 的检测结果。将 PSA 置于 25 ℃ 的恒温环境中，并在 50 mW/cm² 至 150 mW/cm² 的光强度下测量其固化曲线。开启光源前先测量样品 30 秒。数据显示，光强度越高，则 G’ 和 G” 的相交时间越短，表明反应速度越快。以温度为变量时，反应结果也类似：温度更高时反应速度更快。整个固化反应时间不超过两秒。因此 Discovery 混合型流变仪的快速数据采集功能（高达 50 点/秒）可保证清晰地识别出液体到固体的整个转变过程。不过要注意的是，光强度和温度的细微变化，对交叉点的影响可能会高达零点几秒。这一点对于高速紫外线固化过程中粘合剂控制参数的理解以及对配料时引发剂差异的理解而言，都非常重要。</p>

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</div><p>The post <a href="https://www.tainstruments.com.cn/uv-curing-light-guide/">UV Curing – Light Guide</a> first appeared on <a href="https://www.tainstruments.com.cn">TA仪器</a>.</p>]]></content:encoded>
					
		
		
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		<title>介电测量</title>
		<link>https://www.tainstruments.com.cn/dielectric-measurement/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=dielectric-measurement</link>
		
		<dc:creator><![CDATA[Super Admin]]></dc:creator>
		<pubDate>Fri, 29 Apr 2016 10:04:04 +0000</pubDate>
				<category><![CDATA[DHR 附件]]></category>
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										<content:encoded><![CDATA[<div class="wpb-content-wrapper" id="wpb-content-root"><div class="vc_row wpb_row vc_row-fluid dt-default" style="margin-top: 0px;margin-bottom: 0px"><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper">
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<p><img loading="lazy" decoding="async" class="alignright wp-image-98104 size-medium" src="http://tainstruments.com.cn/wp-content/uploads/HR-Dielectric-300x300.jpg" alt="" width="300" height="300" srcset="https://www.tainstruments.com.cn/wp-content/uploads/HR-Dielectric-300x300.jpg 300w, https://www.tainstruments.com.cn/wp-content/uploads/HR-Dielectric-150x150.jpg 150w, https://www.tainstruments.com.cn/wp-content/uploads/HR-Dielectric.jpg 400w" sizes="auto, (max-width: 300px) 100vw, 300px" /></p>
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<p>介电测量</p>
<p>测量</p>
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<p>通过提供与动态机械技术类似的技术，拓展了材料表征的广度。</p>
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			<ul class="wpb_tabs_nav ui-tabs-nav vc_clearfix text-big"><li><a href="#tab-1439835598944-0-0">产品描述</a></li><li><a href="#tab-1439835599407-0-6">技术</a></li><li><a href="#tab-1449777366187-3-1">特征</a></li><li><a href="#tab-1449771197092-3-10">应用</a></li></ul>
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			<h3 style="clear: both; text-align: justify;">介电学测量</h3>
<p style="text-align: justify;">介电学附件适用于所有 DHR 型号，通过提供与动态机械技术类似的技术，拓展了材料表征的广度。介电分析中采用与机械力（应力）相反的振荡电场（交流电场），而振荡应变则来自样品中的积累电荷 (Q)。这项技术测量的是，样品会在什么样的情况下主要储存电荷（电容）或是传递电荷（电导）。DHR 具有高度灵活的平台，能够轻松进行测试设置和校准，并且可通过各项标准特征功能（例如环境控制炉、轴向力控制和气温补偿程序）保证数据的准确性。介电分析在极性材料（例如 PVC、PVDF、PMMA 和 PVA）表征、材料（例如环氧树脂和氨基甲酸酯体系）的固化动力学监测以及相分离系统方面是一项非常强大的技术。介电分析在传统的动态热机械分析（极限频率 100 Hz）的基础上拓展了可测量的频率范围。</p>

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			<p><img loading="lazy" decoding="async" class="wp-image-42137 alignright" src="http://tainstruments.com.cn/wp-content/uploads/dielectric-1.jpg" alt="介电学" width="453" height="433" srcset="https://www.tainstruments.com.cn/wp-content/uploads/dielectric-1.jpg 551w, https://www.tainstruments.com.cn/wp-content/uploads/dielectric-1-300x286.jpg 300w" sizes="auto, (max-width: 453px) 100vw, 453px" /></p>
<p style="text-align: justify;"><strong>技术</strong></p>
<p style="text-align: justify;">介电学附件包括一套可接线的 25 mm 特制平行板以及能够连接到采用特定电压和频率发送信号的介电 LCR 电桥（Keysight E4980A 或 E4980AL LCR）。适用的电压范围为 0.005 到 20 V，频率范围则为 20 Hz 到 2 MHz。环境控制炉（见第 26 页）的温控范围为 -160 ℃ 到 350 ℃。该附件可同时收集流变学和介电学信息，或独立进行介电学测量。</p>

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			<h3>特点和优点</h3>
<ul>
<li>Smart Swap 技术</li>
<li>采用陶瓷绝缘的直径 25 mm 的板</li>
<li>用于固化系统的可抛型板</li>
<li>独立介电学测量</li>
<li>流变学和介电学测量相结合</li>
<li>通过 TRIOS 软件进行完全编程</li>
<li>时间-温度叠加</li>
<li>主曲线生成</li>
<li>宽介电频率范围：20 Hz 到 2 MHz</li>
<li>易安装，易拆卸</li>
<li>电子温控范围可从 -160 ℃ 到 350 ℃</li>
<li>USB 接口</li>
</ul>

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					<h4 class="ff-title">化妆品霜剂的相分离</h4>
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<p><img loading="lazy" decoding="async" class="alignnone size-full wp-image-42139" src="http://tainstruments.com.cn/wp-content/uploads/dielectric-2.jpg" alt="介电学" width="742" height="600" srcset="https://www.tainstruments.com.cn/wp-content/uploads/dielectric-2.jpg 742w, https://www.tainstruments.com.cn/wp-content/uploads/dielectric-2-300x243.jpg 300w" sizes="auto, (max-width: 742px) 100vw, 742px" /></p>
<p><strong>化妆品霜剂的相分离</strong></p>
<p style="text-align: justify;">材料（例如食品和化妆品）的温度稳定性对产品在储存和运输过程中的性能息息相关。目前稳定性评估广泛采用流变学测试方法；然而如果能够同时进行介电学测量，我们就能从复杂制剂中获取更多有价值的信息。右图就是典型的例子，其中测试的是两款水性化妆品霜剂从 25 ℃ 冷却至 -30 ℃ 时的特性。对比两种材料的储能模量 G’ 后发现，旁氏护手霜一开始几乎没有变化，但在 -18 ℃ 处却暴涨了三个数量级，而妮维雅护手霜的模量在整个温度范围内都呈现出较为连续的变化。仅凭机械响应可能会得出以下结论：旁氏的 G’ 值在 -18 ℃ 猛增的原因是材料不稳定。但是，如果同时测量了损耗介电常数 ε”，就能得到主要与样品中水相有关的离子迁移率变化。妮维雅的 ε” 值提高了两个数量级，相比之下旁氏的 ε” 则变化甚微。这种剧烈的增长是由于水相分离导致材料中离子迁移率升高。因此在 终的分析中，妮维雅样品中发生了相分离，而旁氏则没有。在冷却过程中，由于各相逐渐分离，水相的形态发生了改变。而由于形态逐渐发生了变化，因此 G’ 也发生了改变。因此旁氏 G’ 值的变化是由于其转变成了更加稳定且均匀的形态。</p>
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<p><img loading="lazy" decoding="async" class="alignnone size-full wp-image-42141" src="http://tainstruments.com.cn/wp-content/uploads/dielectric-3.jpg" alt="介电学" width="783" height="587" srcset="https://www.tainstruments.com.cn/wp-content/uploads/dielectric-3.jpg 783w, https://www.tainstruments.com.cn/wp-content/uploads/dielectric-3-300x225.jpg 300w, https://www.tainstruments.com.cn/wp-content/uploads/dielectric-3-768x576.jpg 768w" sizes="auto, (max-width: 783px) 100vw, 783px" /></p>
<p><strong>多频率下的介电学线性升温</strong></p>
<p style="text-align: justify;">右图展示的是聚甲基丙烯酸甲酯 (PMMA) 样品在从 1,000 Hz 到 1,000,000 Hz 四种不同介电频率下的线性升温曲线。从中可以看出在整个转变过程中，ε’ 的数量级随着频率的升高而降低，并且出现 tan δ 峰值的温度随着频率的升高而升高。</p>
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