A Mechanistic Perspective on Plastically Flexible Coordination Polymers

摘要

Abstract > Mechanical flexibility in single crystals of covalently bound materials is a fascinating and poorly understood phenomenon. We present here the first example of a plastically flexible one‐dimensional (1D) coordination polymer. The compound [Zn(μ‐Cl) <sub>2</sub> (3,5‐dichloropyridine) <sub>2</sub> ] <sub> n </sub> is flexible over two crystallographic faces. Remarkably, the single crystal remains intact when bent to 180°. A combination of microscopy, diffraction, and spectroscopic studies have been used to probe the structural response of the crystal lattice to mechanical bending. Deformation of the covalent polymer chains does not appear to be responsible for the observed macroscopic bending. Instead, our results suggest that mechanical bending occurs by displacement of the coordination polymer chains. Based on experimental and theoretical evidence, we propose a new model for mechanical flexibility in 1D coordination polymers. Moreover, our calculations propose a cause of the different mechanical properties of this compound and a structurally similar elastic material. </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> > 共价束缚材料的单晶体中的机械柔韧性是一种令人着迷的和令人欣慰的现象。我们在此提供塑性柔性一维（1D）配位聚合物的第一例。化合物[Zn（μ-cl） <sub> 2 </ sub> （3,5-二氯吡啶） <sub> 2 </ sub> ] <sub> n </ i> </ sub> 在两个晶体面上灵活。值得注意的是，当弯曲至180°时，单晶保持完整。显微镜，衍射和光谱研究的组合用于探测晶格的结构响应，以机械弯曲。共价聚合物链的变形似乎对观察到的宏观弯曲不负责。相反，我们的结果表明通过配位聚合物链的位移发生机械弯曲。基于实验和理论证据，我们提出了一种在1D配位聚合物中的机械灵活性模型。此外，我们的计算提出了该化合物和结构相似的弹性材料的不同机械性能的原因。 </ 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-19011/'>《Angewandte Chemie》</a> <b style="margin: 0 2px;">|</b><span>2020年第14期</span><b style="margin: 0 2px;">|</b><span>共5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/1188.html" title="应用化学">应用化学;</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=coordination polymer&option=203" rel="nofollow">coordination polymer;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=flexible crystals&option=203" rel="nofollow">flexible crystals;</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=plastic deformation&option=203" rel="nofollow">plastic deformation;</a> </p> <div class="translation"> 机译：配位聚合物;柔性晶体;机械性能;塑性变形; </div> </li> 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href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=卢彦云&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 卢彦云</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=魏太保&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,魏太保</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=姚虹&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,姚虹</a> <span> <a href="/conference-cn-10495/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 2011年中西部地区无机化学化工学术研讨会 </a> <span> <span> . 2011</span> </span> </div> </li> <li> <div> <b>7. </b><a class="enjiyixqcontent" href="/academic-degree-domestic_mphd_thesis/020316222407.html">基于柔性基间苯二甲酸配体的过渡金属配位聚合物的合成、结构及质子传导性研究</a> <b>[A] </b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=李荣云&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 李荣云</a> <span> . 2020</span> </span> </div> </li> </ul> <ul style="display: none;"> <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/patent-detail/06120113153458.html">一种基于柔性配体的对汞离子有良好去除能力的二维配位聚合物材料</a> <b>[P]</b> . <span> 中国专利： CN113185699A </span> <span> . 2021-07-30</span> </div> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/patent-detail/06120111060347.html">一种含柔性咪唑基配体Cu(II)三维配位聚合物及其制备方法</a> <b>[P]</b> . <span> 中国专利： CN108586498A </span> <span> . 2018-09-28</span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130461903424.html">Structures of flexible thermoplastic polymer coextruded has multiple layers comprising a layer of vinylidene chloride copolymer bound has a layer of polymer plasticized vinyl chloride and use of these structures for the manufacture of flexible packages.</a> <b>[P]</b> . <span> 外国专利：  NO171258C </span> <span> . 1993-02-17</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：共挤出的柔性热塑性聚合物的结构具有多层，该多层包括粘结有聚合物增塑的氯乙烯层的偏二氯乙烯共聚物层，并且这些结构用于制造柔性包装。 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130463367352.html">Structures of flexible thermoplastic polymer coextruded has multiple layers comprising a layer of vinylidene chloride copolymer bound has a layer of polymer plasticized vinyl chloride and use of these structures for the manufacture of flexible packages.</a> <b>[P]</b> . <span> 外国专利：  NO171258B </span> <span> . 1992-11-09</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：共挤出的柔性热塑性聚合物的结构具有多层，该多层包括粘结有聚合物增塑的氯乙烯层的偏二氯乙烯共聚物层，并且这些结构用于制造柔性包装。 </span> </p> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/patent-detail/06130468419397.html">Structures of flexible thermoplastic polymer coextruded has multiple layers comprising a layer of vinylidene chloride copolymer bound has a layer of polymer plasticized vinyl chloride and use of these structures for the manufacture of flexible packages.</a> <b>[P]</b> . <span> 外国专利：  FR2601288B1 </span> <span> . 1988-11-04</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：共挤出的柔性热塑性聚合物的结构具有多层，该多层包括粘结有聚合物增塑的氯乙烯层的偏二氯乙烯共聚物层，并且这些结构用于制造柔性包装。 </span> </p> </li> </ul> </div> </div> </div> <div class="theme cardcommon" style="overflow: auto;display:none"> <h3 class="all_title" id="enpatent55">相关主题</h3> <ul id="subject"> </ul> </div> </div> </div> </div> <div class="right rightcon"> <div class="details_img cardcommon clearfix" style="margin-bottom: 10px;display:none;" > </div> </div> </div> <div id="thesis_get_original1" class="downloadBth" style="bottom: 19px;z-index: 999;" onclick="ywcd('0704028161719','4',7,2,1,'',this,24)" 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