苯乙烯类单体等规均/共聚物的合成与表征  

THE SYNTHESIS AND CHARACTERIZATION OF ISOTACTIC HOMO-/CO-POLYMER OF STYRENE MONOMERS

作　　者：陈卫星[1] 邹敏[1] 马爱洁[1] 罗春燕[1] 

机构地区：[1]西安工业大学材料与化工学院,西安710032

出　　处：《工程塑料应用》2011年第6期6-10,共5页Engineering Plastics Application

基　　金：陕西省自然科学基金项目(SJ08B17);陕西省教育厅自然科学专项项目(08JK308)

摘　　要：以正丁基锂(nBuLi)为引发剂,通过加入有机金属钡盐构筑双金属阴离子聚合体系,考察了立构规整性聚苯乙烯的制备条件,制得规整度为31%的苯乙烯(St)均聚物。在此基础上,以St及对氯甲基苯乙烯(CMS)为单体,用nBuLi引发共聚合,得到规整度为45%的St和CMS的共聚物P(St-co-CMS)。通过傅里叶变换红外光谱仪、差示扫描量热分析仪、X射线衍射仪、核磁共振谱仪等仪器的分析证实了产物的结构。Using nBuLi as initiator and adding organometallic, a double metallic anionic polymerization system was built. The synthetic conditions of stereoregular PS were also investigated and the styrene （St） homopolymer with 31% isotacticity was prepared. On this basis, with St and chloromethylstyrene（CMS） as the monomer, their eopolymerization was triggered by nBuLi. Then the copolymer of St and CMS[ P（St-co-CMS） ] with 45% isotacticity was prepared. The products were characterized by FTIR, DSC, XRD and 13C -NMR and their structures had been confirmed.

关 键 词：苯乙烯 对氯甲基苯乙烯 阴离子聚合 规整度 共聚合 

分 类 号：TQ325.4[化学工程—合成树脂塑料工业]