聚酰胺弹性体研究进展  

Research progress of polyamide elastomer

作　　者：曾文彬 徐保明[1] 陈坤[1] ZENG Wen-bin;XU Bao-ming;CHEN Kun(Hubei Province Postgraduate Workstation,Hubei University of Technology,Wuhan 430068,China)

机构地区：[1]湖北省研究生工作站湖北工业大学,湖北武汉430068

出　　处：《应用化工》2022年第2期592-596,共5页Applied Chemical Industry

基　　金：科技部中小企业创业基金(12C26214204453);湖北省大学生创新创业训练计划项目(201710500045)。

摘　　要：综述了聚酰胺热塑性弹性体的基本结构、种类、性能及未来的研究方向,重点介绍了聚酰胺热塑性弹性体的合成方法。聚酰胺热塑性弹性体的合成方法主要包括以下几种:二元酸合成法、异氰酸酯合成法、阴离子聚合合成法、一步合成法、酯交换法、动态硫化工艺这几类合成方法。并针对每一合成方法,分别阐述了其存在的问题,并对相应的问题提出了解决方案。聚酰胺弹性体作为一种新型的热塑性弹性体,具备优异的物理性能与化学性能,例如:柔韧性好,拉伸强度高,低温抗冲击强度大,耐化学药品及耐候性强,并且易于加工成型,适用于各大领域,是未来热塑性弹性体的一大主流。我国对聚酰胺弹性体的需求逐年增加,但国内的对于该弹性体的工业化投产尚未普及,在未来开发出一种绿色、环保且适用于工业化的合成工艺具有重大的价值。The basic structure,types,properties and future research directions of polyamide thermoplastic elastomer are reviewed,and the synthesis method of polyamide thermoplastic elastomer is emphasized.The synthetic methods of polyamide thermoplastic elastomers mainly include the following:dibasic acid synthesis method,isocyanate synthesis method,anionic polymerization synthesis method,one-step synthesis method,transesterification method,dynamic vulcanization process.For each synthesis method,the existing problems are explained separately,and solutions to the corresponding problems are proposed.As a new type of thermoplastic elastomer,polyamide elastomer has excellent physical and chemical properties,such as good flexibility,high tensile strength,high low-temperature impact resistance,chemical resistance and weather resistance,and easy processing molding,applicable to various fields,is a major mainstream of thermoplastic elastomers in the future.At present,my country’s demand for polyamide elastomers is increasing year by year,but the domestic industrialization of the elastomers has not yet been popularized.Therefore,it is of great value to develop a green,environmentally friendly and industrialized synthetic process in the future.

关 键 词：聚酰胺 己内酰胺 嵌段共聚物 

分 类 号：TQ31[化学工程—高聚物工业]