Comparative study of electrically conductive polymer composites of polyester‐based thermoplastic polyurethane matrix with polypyrrole and montmorillonite/polypyrrole additive

摘要

Abstract >Electrically conductive polymer composites were produced by melt mixing technique using polyester‐based thermoplastic polyurethane (TPU) as matrix and polypyrrole (PPy) or montmorillonite/polypyrrole (MMT/PPy) fillers doped with dodecylbenzenesulfonic acid. Composites with different mass concentrations of conductive additives were obtained and characterized, comparing the electrical properties, structure, and morphology of the composites in order to evaluate the effect of conductive filler content and type. The results showed that TPU/MMT/PPy composites have lower percolation threshold and higher electrical conductivity than TPU/PPy. This behavior was attributed to the higher aspect ratio, better dispersion, and greater interaction between nanostructured MMT/PPy and TPU host insulating when compared with neat PPy. In addition, TPU/MMT/PPy composites produced using polyester‐based TPU tend to have better electrical properties than polyether‐based TPU composites due to its higher polarity, increasing the electrical conductivity and reducing the percolation threshold. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“en”> <标题类型=“main”>抽象</ title> >通过熔融混合技术使用聚酯基热塑性聚氨酯（TPU）作为基质和聚吡咯（PPY）或蒙脱石/聚吡咯（MMT / PPY）填料掺杂有十二烷基苯磺酸的熔融混合技术，产生导电聚合物复合材料。获得具有不同质量浓度的导电添加剂的复合材料，并表征复合材料的电性能，结构和形态，以评估导电填料含量和类型的效果。结果表明，TPU / MMT / PPY复合材料具有较低的渗透阈值和比TPU / PPY更高的电导率。与整齐PPY相比，这种行为归因于较高的纵横比，更好的MMT / PPY / PPY和TPU主体绝缘之间的更大的相互作用。此外，由于其较高极性，使用基于聚酯基TPU产生的TPU / MMT / PPY复合材料倾向于具有比基于聚醚的TPU复合材料更好的电性能，从而增加电导率并降低渗透阈值。</ p> </摘要> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-29566/'>《Polymer Composites》</a> <b style="margin: 0 2px;">|</b><span>2020年第5期</span><b style="margin: 0 2px;">|</b><span>共10页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/7852.html" title="增强塑料、填充塑料">增强塑料、填充塑料;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=electrically conductive polymer composites&option=203" rel="nofollow">electrically conductive polymer composites;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=montmorillonite&option=203" rel="nofollow">montmorillonite;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=polyester‐based thermoplastic polyurethane&option=203" rel="nofollow">polyester‐based thermoplastic polyurethane;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=polypyrrole&option=203" rel="nofollow">polypyrrole;</a> </p> <div class="translation"> 机译：导电聚合物复合材料;蒙脱石;聚酯基热塑性聚氨酯;聚吡咯; 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