摘要
研究了苯乙烯-丁二烯-苯乙烯聚合物(SBS)聚丁二烯段1,4-与1,2-结构双键的加氢速度,并采用差示扫描量热仪(DSC)测试不同加氢度的苯乙烯-乙烯/丁烯-苯乙烯聚合物(SEBS)的氧化诱导期(OIT),考察加氢度对SEBS耐热氧化性能的影响。结果表明,加氢度越高,SEBS的OIT越长,耐热氧老化性能越佳。
The hydrogenation rate of the double bond in the segment 1,4 and 1,2-structure of the styrene-butadiene-styrene(SBS)were studied.The oxidation induction periods of SEBSs with different hydrogenation degrees were measured by differential scanning calorimeter.The effect of the hydrogenation degree of SEBS on heat-resistant oxidation performance was investigated.The results show that the higher the hydrogenation degree is,the longer the oxidation induction period of SEBS is,and the better the heat-resistant oxygen aging performance is.
作者
严绍敏
苏滢
黎春荣
龙锦
YAN Shaomin;SU Ying;LI Chunrong;LONG Jin(Rubber Department of Baling Petrochemical Company of China Petrochemical,Yueyang 414014,China)
出处
《弹性体》
CAS
2020年第5期36-39,共4页
China Elastomerics
