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	特种橡胶制品 SPECIAL PURPOSE RUBBER PRODUCTS 2010 Vol.31 No.1 P.6-10

氢化羧基丁腈橡胶/环氧化POSS复合材料的硫化反应和性能研究

刘青　任文坛　张勇　张隐西　

摘　要：通过溶液共混和硫化成型制备了氢化羧基丁腈橡胶(HXNBR)/环氧环己基POSS复合材料,并进行了硫化性能、动态力学性能、FTIR谱图和交联密度测试.结果表明,环氧化环己基POSS和HXNBR发生交联反应并产生醇羟基;在实验温度范围内,200 ℃时复合材料硫化效率最佳,正硫化时间(t90)约为10 min;复合材料高弹储能模量和交联密度随POSS用量的增大而明显增大,损耗因子降低,玻璃化转变温度提高;交联密度在20～40 min区间增加幅度较大,当硫化时间为60 min时交联密度有所降低.
关键词：环氧化环己基POSS;氢化羧基丁腈橡胶;动态力学性能;交联密度
分类号：TQ333.7　文献标识码：A
文章编号：1005-4030(2010)01-0006-04

Curing Reaction and Properties of Hydrogenated Carboxylated Nitrile Rubber/Epoxycyclohexyl POSS Composites

LIU Qing　 REN Wen-tan　 ZHANG Yong　 ZHANG Yin-xi　

作者简介：刘青(1984-),女,山东烟台人,上海交通大学在读硕士研究生,主要从事高分子材料改性与加工方面的研究.
作者单位：刘青（上海交通大学,化学化工学院,上海,200240）　
　　　　　任文坛（上海交通大学,化学化工学院,上海,200240）　
　　　　　张勇（上海交通大学,化学化工学院,上海,200240）　
　　　　　张隐西（上海交通大学,化学化工学院,上海,200240）　

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收稿日期：2009年7月29日

出版日期：2010年2月28日