摘要
聚α-甲基苯乙烯(PAMS)是一种典型的α,α-双取代乙烯基的高分子材料,由于其优异的热降解性能,已被广泛用于制备多种激光惯性约束聚变靶丸。文中综述了PAMS的热降解机理及热降解动力学,介绍了相对分子质量、端基、引发剂等因素对PAMS热降解温度的影响,并对各种影响因素进行了分析与总结。最后提出了从相对分子质量分布、立构规整性、引发剂降低PAMS热降解温度及优化升温程序的研究方向。
Poly α-methylstyrene（PAMS） is a typical α,α-disubstituted vinyl polymer material and has manifested excellent thermal degradation properties. It was widely used to prepare a variety of laser inertial confinement fusion targets. In this paper,the thermal degradation mechanisms of PAMS and the thermal degradation kinetics were reviewed.The effects of relative molecular weight,the end groups of PAMS,and initiators on the thermal degradation temperature of PAMS were introduced,and the principle of these factors was also summarized. Finally,the research direction of decreasing degradation thermal temperature of PAMS based on relative molecular distribution,constitutive regularity,optimizing initiators and heating procedure was proposed.
作者
陈苗
张占文
易勇
王红斌
黄勇
史瑞廷
Miao Chen;Zhanwen Zhang;Yong Yi;Hongbin Wang;Yong Huang;Ruiting Shi(Research Center of Laser Fusion,China Academy of Engineering Physics（CAEP）,Mianyang 621900,China;School of Material Science and Engineering,Southwest University of Science and Technology,Mianyang 621010,China)
出处
《高分子材料科学与工程》
EI
CAS
CSCD
北大核心
2018年第10期172-177,共6页
Polymer Materials Science & Engineering
基金
国家自然科学基金资助项目(v1530260)
关键词
聚α-甲基苯乙烯
热降解机理
热降解动力学
热降解温度
poly a-methylstyrene
thermal degradation mechanism
thermal degradation kinetics
thermal degradation temperature
