橡胶技术网

弹性体
CHINA ELASTOMERICS
2007 Vol.17 No.2 P.54-58

橡胶技术网

原子转移自由基法合成乙丙橡胶接枝物中的热聚合研究

郗向丽  石艳  蔡小平  付志峰 

摘 要:采用原子转移自由基聚合法(ATRP)合成了三元乙丙橡胶与苯乙烯的接枝共聚物(EPDM-g-St),动力学研究表明聚合过程为"活性"聚合.在接枝聚合过程中发现了明显的苯乙烯热聚合现象.对接枝聚合中得到的均聚苯乙烯进行表征的结果表明,苯乙烯在ATRP接枝体系中的热聚合过程在一定程度上受到ATRP机理的控制;升高温度和延长反应时间使得热聚合更为显著.
关键词:原子转移自由基聚合;接枝;苯乙烯;甲基丙烯酸甲酯;热聚合
分类号:TQ316.31+1;TQ316.32+2 文献标识码:A

文章编号:1005-3174(2007)02-0054-05

Thermal polymerization in the EPDM graft styrene by atom transfer radical polymerization

XI Xiang-li  SHI Yan  CAI Xiao-ping  FU Zhi-feng 

基金项目:中国石油天然气股份有限公司科学研究与技术开发项目(050403-05-00)
作者简介:郗向丽(1974-),女,河南禹州人,北京化工大学在读博士,讲师,主要从事高分子合成、改性方面的研究工作.
作者单位:郗向丽(北京化工大学,资源有效利用国家重点实验室,北京100029) 
     石艳(北京化工大学,资源有效利用国家重点实验室,北京100029) 
     蔡小平(中国石油吉林石化分公司,吉林,吉林132021) 
     付志峰(北京化工大学,资源有效利用国家重点实验室,北京100029) 

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收稿日期:2007年2月20日

出版日期:2007年4月30日

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