乙烯-辛烯共聚物/再生丁基橡胶热塑性弹性体的制备及其性能  

Preparation and properties of ethylene-1-octene copolymer/reclaimed isobutylene-isoprene rubber thermoplastic elastomer

作　　者：蒋根杰[1] 付丹[1] 吴宏[1] 郭少云[1] 

机构地区：[1]四川大学高分子研究所高分子材料工程国家重点实验室,四川成都610065

出　　处：《合成橡胶工业》2007年第3期187-190,共4页China Synthetic Rubber Industry

基　　金：高等学校博士学科点专项科研基金资助项目(20050610028)

摘　　要：采用动态硫化法制备了乙烯-辛烯共聚物(POE)/再生丁基橡胶(RIIR)热塑性弹性体(TPE),考察了共混比、硫黄、软化剂白油和炭黑N330对TPE力学性能的影响,研究了TPE的动态力学性能和流变性能。结果表明,当POE/RIIR(质量比)为2/1、硫黄为0.5份、软化剂白油为20份、炭黑为30份时,TPE的综合力学性能较佳;POE和RIIR具有较好的相容性;当体系中加入白油时,TPE的动态复数黏度(η*)降低,炭黑的加入使TPE的η*迅速增大。Ethylene-1-octene copolymer/reclaimed isobutylene-isoprene rubber （POE/RIIR）thermoplastic elastomer （TPE） was prepared by dynamic vulcanization. The effects of blend ratio, sulfur, softening oil and carbon black N 330 on the mechanical properties of POE/RIIR TPE were investigated. In addition,the dynamic mechanical and rheological properties of POE/RIIR TPE were studied. The results showed that the comprehensive mechanical properties of POE/RIIR TPE were good with POE/RIIR（mass ratio） 2/1, sulfur 0.5 phr, oil 20 phr and carbon black 30 phr respectively. There was a good compatibility between POE and RIIR. The addition of softening oil could greatly decreased the complex viscosity （η＊）, but in the case of adding carbon black η＊ of TPE increased.

关 键 词：乙烯-辛烯共聚物 再生丁基橡胶 动态硫化 热塑性弹性体 力学性能 动态力学性能 流变性能 

分 类 号：TQ334.1[化学工程—橡胶工业]