橡胶技术网

弹性体
CHINA ELASTOMERICS
2006 Vol.16 No.5 P.57-63

 橡胶技术网

乙丙橡胶接枝改性的研究进展

郗向丽　 蔡小平　 石艳　 付志峰　

摘　要：总结了乙丙橡胶接枝改性的研究进展,对接枝方法、接枝物的性能及其应用进行了介绍.常见的乙丙橡胶接枝改性方法包括:(1)对乙丙橡胶进行官能化处理引入过氧等官能团,然后进行自由基或阳离子接枝聚合;(2)在过氧化物引发剂存在下直接进行熔融或溶液接枝聚合;(3)用电子束或γ射线辐照进行接枝聚合;(4)在乙丙橡胶的第三单体上引入原子转移自由基聚合引发活性点,进行活性自由基接枝聚合;(5)将乙丙橡胶溶液乳化后进行"假乳液"接枝聚合.接枝了不同单体的乙丙橡胶可以在热稳定性、机械性能、耐油性、染色性、生物相容性、阻燃性等方面得到改善,从而大大拓宽了乙丙橡胶的应用范围.
关键词：乙丙橡胶;接枝聚合;研究进展
分类号：TQ333.4 　文献标识码：A
文章编号：1005-3174(2006)05-0057-07

Advances in EPDM modification by graft polymerization

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

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,材料科学与工程学院,北京,100029）　
　　　　　蔡小平（中国石油吉林石化分公司,吉林,吉林,132021）　
　　　　　石艳（北京化工大学,材料科学与工程学院,北京,100029）　
　　　　　付志峰（北京化工大学,材料科学与工程学院,北京,100029）　

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收稿日期：2006年6月5日

出版日期：2006年10月31日

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