Vitrimer材料的制备及性能研究进展  

Progress in Preparation and Properties of Vitrimer Materials

作　　者：郝树杰 周威 潘政 贾普友[1] 张猛[1] 周永红[1] Shujie Hao;Wei Zhou;Zheng Pan;Puyou Jia;Meng Zhang;Yonghong Zhou(Instituted of Chemical Industry of Forest Products,Jiangsu Key Laboratory of BiomassEnergy and Materials,Co-Inmovation Center of Efficient Processing and Utilization of Forest Resources,Nanjing Forest University,Nanjing 210042,China)

机构地区：[1]中国林业科学研究院,林产化学工业研究所,江苏省生物质能源与材料重点实验室,南京林业大学,林业资源高效加工利用协同创新中心,江苏南京210042

出　　处：《高分子材料科学与工程》2020年第11期166-174,共9页Polymer Materials Science & Engineering

基　　金：国家自然科学基金资助项目(31670578,32071712)。

摘　　要：Vitrimer材料是一种含动态交联网络的高分子聚合物,在高温条件下,快速的动态交换反应使网络的拓扑结构发生改变和重排,从而使材料具有黏弹性和"流动性";并在保持材料化学结构和性能完整的情况下具有可塑性和可再加工性能。文中重点从酯交换反应、转酰胺反应、二硫化物重排反应和烷基转移反应等可逆交换反应类型论述了近年来国内外Vitrimer材料最新研究进展,对材料的动态可逆机理及性能特征进行了分析和对比,并对未来研究发展趋势进行了展望。Vitrimer material is a polymer with dynamic cross-linking network.Under high temperature conditions,the rapid dynamic exchange reaction changes the topology of the network and rearranges it,making the material viscoelastic and"fluid";and it has plasticity and reworkability while keeping the chemical structure and performance of the material intact.This article focused on the reversible exchange reaction types such as transesterification exchange reaction,transamidation reaction,disulfide rearrangement,and transalkylation.The latest research progress of vitrimer materials at home and abroad in recent years was discussed,and the dynamic reversible mechanism and performance characteristics of the materials were discussed.The development trends of future research were prospected.

关 键 词：Vitrimer 动态交联网络 拓扑重排 可再加工 

分 类 号：TQ317[化学工程—高聚物工业]