TGIC温度梯度交叉色谱分析�?参数-价格-中国粉体罐�/title>

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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><strong><span>TGIC</span></strong><strong><span>温度梯度交叉色谱产品介绍</span></strong></p><p><strong></strong></p><p><span>TGIC</span><span>是温度梯度交互作用高温色谱的简称，其利用聚烯烃链与</span><span>TGIC</span><span>柱的吸附解吸以及结晶性能的共同作用在一定的溶剂流速和温度变换下来实现聚烯烃不同组分的分离表征、�/span><span>特别是一些结晶分级技术无法分析的非结晶部分，可以借助</span><span>TGIC</span><span>分析，弹性体、嵌段聚烯烃等特种聚烯烃分析�?/span><span>TGIC</span><span>的主要分析领域、�/span></p><p><strong><span>一�?/strong><strong><span>TGIC</span></strong><strong>功能</strong></p><p><span>1)<span>配备全自动进样器可以分析</span><span>42</span><span>个样品，每个样品可以选择不同的分析方法；</span></p><p><span>2)<span>可得到样品的化学组分及其分布的信息和共聚单体含量信息，包括可溶物部分。可溶物部分化学组分及其分布和嵌段聚合物等特种聚烯烃皃�/span><span>CCD</span><span>表征是传统结晶技�?/span><span>TREF</span><span>＋�/span><span>CEF</span><span>做不到的：�/span></p><p><span>3)<span>选配</span><span>IR4</span><span>组分探头戕�/span><span>IR5</span><span>可以直接获得样品皃�/span><span>CH<sub>3</sub>/1000C</span><span>：�/span></p><p><span>4)<span>选配粘度检测器和激光光散射检测器，进行组刅�/span><span>-</span><span>分子量交互分析；</span></p><p><span>5)<span>选配</span><span>IR5 MCT</span><span>高灵敏度检测器，提高浓度信号灵敏度：�/span></p><p><span>6)<span>具备远程控制和交互诊断功能、�/span></p><p><strong></strong></p><p><strong><span>二�?/strong><strong><span>TGIC</span></strong><strong><span>特点</span></strong></p><p><span>1)<span>全自动分析，自动完成加溶剂、样品溶解和在线过滤和分析过程，硬件简单；</span></p><p><span>2)<span>分析过程无需人工接触溶剂，符吇�/span><span>HSE</span><span>要求：�/span></p><p><span>3)<span>使用专用软件程序＋�/span><span>TGIC</span><span>咋�/span><span>CEF</span><span>可以使用同一台仪器进行分析；</span></p><p><span>4)<span>具有良好的重复性；</span></p><p><span>5)<span>仪器软件设计非常友好，方便操作；</span></p><p><span>6)<span>仪器易于使用、维护、�/span></p><p><strong><span>三�?/strong><strong><span>应用实例</span></strong></p><p><strong><span>应用实例</span></strong><strong><span>1</span></strong></p><p><span>某科研院样品是由聚丙烯和</span><span>POE</span><span>共混而成，通过常规化学组分分析仪器</span><span>TREF</span><span>分析，共混料�?/span><span>12.4</span><span>ℂ�/span><span>咋�/span><span>115.3</span><span>ℂ�/span><span>有两个组分，但大部分是可溶物，传统的</span><span>TREF</span><span>分析不能给出更多有效的信息。通过</span><span>TGIC</span><span>分析样品结果见图</span><span>2</span><span>９�/span><span>TGIC</span><span>可以将结晶性能差异不大的组分进行分离表征，得到样品的化学组成及其分布信息，同时得到不同组分下的支化度信息，从而改善了常规的化学组分表征手段，解决亅�/span><span>POE</span><span>材料的分析难题、�/span></p><p></p><p><strong><span>国�/span></strong><strong><span>1</span></strong><strong><span>样品</span></strong><strong><span>TREF</span></strong><strong><span>分析结果</span></strong></p><p><strong></strong></p><p><strong></strong></p><p></p><p><strong><span>国�/span></strong><strong><span>2 </span></strong><strong><span>样品</span></strong><strong><span>TGIC</span></strong><strong><span>分析结果</span></strong></p><p><strong></strong></p><p><strong><span>应用实例</span></strong><strong><span>2</span></strong></p><p><strong></strong></p><p><span>针对嵌段聚烯烂�/span><span>ipp</span><span>咋�/span><span>PE</span><span>分析，传统的</span><span>TREF</span><span>�?/span><span>CEF</span><span>技术不能够明显的表征其化学组成及其分布情况，无法得出差异（见图</span><span>3</span><span>）、�/span><strong><span>经过</span></strong><span>温度梯度交互作用高温色谱</span><span>TGIC</span><span>分析，则可以得到很有价值的结果，从国�/span><span>4</span><span>中可以看出，嵌段聚乙烯含量越多，对柱子的吸附能力越强，该级分就越会在更高的温度下淋洗出来，从而很好的了解了嵌段的多少和有无嵌段、�/span></p><p></p><p><strong><span>国�/span></strong><strong><span>3 </span></strong><strong><span>传统皃�/span></strong><strong><span>TREF</span></strong><strong><span>�?/span></strong><strong><span>CEF</span></strong><strong><span>表征技术结果示意图</span></strong></p><p><strong></strong></p><p><strong><span></span></strong></p><p><strong><span>国�/span></strong><strong><span>4 TGIC</span></strong><strong><span>表征技术结果示意图</span></strong></p><p><strong></strong></p><p><strong></strong></p><p><strong><span>应用实例</span></strong><strong><span>3</span></strong></p><p><span>针对乙烯辛烯共聚样品分析，是</span><span>TGIC</span><span>应用的典型案例。传统的</span><span>CEF</span><span>咋�/span><span>TREF</span><span>分析无法得出结果，耋�/span><span>TGIC</span><span>所得结果可以看出，淋洗出温度辛烯含量的增加而降低，�?/span><span>40</span><span>ℂ�/span><span>，被保留组分辛烯含量高达</span><span>32%</span><span>、�/span></p><p><span></span></p><p><strong><span>国�/span></strong><strong><span>5 TGIC</span></strong><strong><span>分析乙烯辛烯共聚样品</span></strong></p><p><strong></strong></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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