硅烷类外给电子体在聚烯烃中的应用进展  

Progress in the application of silanes as external donors in polyolefins

作　　者：蒋攀 董红[1] 陈道伟 郑云峰 瞿志荣[1] 伍川[1] Jiang Pan;Dong Hong;Chen Daowei;Zheng Yunfeng;Qu Zhirong;Wu Chuan(Key Laboratory of Organosilicon Chemistry and Material Technology,Ministry of Education,Hangzhou Normal University, Hangzhou 311121;Novel Silicone Research InstituteAffiliated to Kaihua Synthetic Material Co., Ltd.? Kaihua 324300)

机构地区：[1]杭州师范大学有机硅化学及材料技术教育部重点实验室,杭州311121 [2]开化合成有机硅新材料研究院,开化324300

出　　处：《化工新型材料》2019年第6期49-54,共6页New Chemical Materials

基　　金：浙江省公益技术应用研究项目(2017C31107)

摘　　要：综述了硅烷类化合物作为外给电子体在Ziegler-Natta催化体系中的应用及其对聚烯烃性能的影响,讨论了硅烷化合物的分子结构和取代基空间位阻对聚烯烃立体规整度和相对分子质量分布的影响,在总结近期硅烷类外给电子体研究进展的基础上,对未来硅烷类外给电子体的发展趋势进行了展望。The application of silane compounds as external electron donor in Ziegler-Natta catalytic system and its influence on the properties of polyolefins were reviewed,together with a discussion was conducted on the influence of the molecular structure of silane compounds and steric hindrance of substituents on the tacticity and molecular weight distribution of polyolefins.Based on the summarization of the recent research progress of silane-based electron-donors,the prospect of silane-based electron donor in the future was also presented.

关 键 词：外给电子体 硅烷类化合物 ZIEGLER-NATTA催化剂 聚烯烃 

分 类 号：TQ325.1[化学工程—合成树脂塑料工业]