Preparation and characterization of ultrahigh molecular weight polyethylene composites with high content of multiwall carbon nanotubes

摘要

Abstract > In order to obtain the ultrahigh molecular weight polyethylene (UHMWPE) composites with high conductivity and mechanical property, an effective route of solution mixing and followed by hot‐pressing was investigated for UHMWPE composites with high content of multiwall carbon nanotubes (MWCNTs). The effect of MWCNT contents on the crystallization and melting behavior, crystal structure, electrical conductivity, and mechanical properties of MWCNT/UHMWPE composites was characterized by differential scanning calorimetry, four‐probe measurement configuration, X‐ray diffraction, and universal testing machine, respectively. The effect of MWCNTs on crystallization temperatures of UHMWPE is discussed by the heterogeneous nucleation of MWCNTs and the restriction of the macromolecular chain motion of UHMWPE by MWCNTs. The electrical conductivity of UHMWPE is significantly increased with increasing of MWCNT contents and the UHMWPE composite with the conductivity of 5649?S?m ?1 can be obtained at the MWCNT content of 60?wt%. The influence of MWCNTs on tensile strength and modulus of UHMWPE composites is explained by the reinforce effect of MWCNTs and the lower content of UHMWPE not enough to support the structure of composites. </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> > 为了获得具有高导电性和机械性能的超高分子量聚乙烯（UHMWPE）复合材料，针对具有高含量的多壁碳纳米管（MWCNT）的UHMWPE复合材料研究了有效溶液混合途径和随后进行热压。 MWCNT含量对MWCNT / UHMWPE复合材料的结晶和熔化行为，晶体结构，电导率和机械性能的影响，其特征在于差分扫描量热法，四探头测量配置，X射线衍射和通用试验机。 MWCNTS对MWCNT的异质成核和MWCNTs大分子链运动的限制讨论了MWCNT对UHMWPE结晶温度的影响。随着MWCNT内容物和UHMWPE复合材料的增加，UHMWPE的电导率显着增加，导电率为5649？s？m ？1 </ sup> 可以在60℃的MWCNT含量下获得。通过MWCNT的增强效应和UHMWPE的较低含量来解释MWCNT对UHMWPE复合材料的拉伸强度和模量的影响，不足以支持复合材料结构的uHmWPE的较低含量。 </ 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7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=composites&option=203" rel="nofollow">composites;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=conductivity&option=203" rel="nofollow">conductivity;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=crystallization&option=203" rel="nofollow">crystallization;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=mechanical properties&option=203" rel="nofollow">mechanical properties;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=MWCNTs&option=203" rel="nofollow">MWCNTs;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=UHMWPE&option=203" rel="nofollow">UHMWPE;</a> </p> <div class="translation"> 机译：复合材料;电导率;结晶;机械性能;mwcnts;uhmwpe; </div> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704024546430.html">Preparation and characterization of ultrahigh molecular weight polyethylene composites with high content of multiwall carbon nanotubes</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> </a> <a href="/journal-foreign-29566/" target="_blank" rel="nofollow" class="tuijian_authcolor">Polymer Composites .</a> <span>2020</span> <span>,第5期</span> </span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：多壁碳纳米管高含量超高分子量聚乙烯复合材料的制备与表征</span> </p> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/academic-journal-foreign_composites-engineering_thesis/020418747202.html">Bulk oriented nanocomposites of ultrahigh molecular weight polyethylene reinforced with fluorinated multiwalled carbon nanotubes with nanofibrillar structure</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Maksimkin A. 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