高顺式聚异戊二烯橡胶的研究进展  

Progress in the preparation of cis-rich polyisoprene

作　　者：姚臻[1] 张景[1] 屠宇侠[1] 付强[1] 曹堃[1] 

机构地区：[1]浙江大学化工系化学工程联合国家重点实验室,浙江杭州310027

出　　处：《化工进展》2015年第1期160-165,182,共7页Chemical Industry and Engineering Progress

基　　金：国家高技术研究发展计划项目(2012AA040306)

摘　　要：顺式-1,4聚异戊二烯橡胶因其良好的性能,可代替天然橡胶应用于众多领域。本文首先介绍了顺式聚异戊二烯的国内外现有的生产工艺、催化体系及其产能等,并就目前均采用溶液聚合的工艺流程进行了评述,指出气相聚合工艺因其无需溶剂、能耗低、流程简单、操作安全、成本低、污染少等优点已引起学术界和工业界的高度重视,具有潜在的应用前景。同时,重点阐述了高顺式含量聚异戊二烯的最新研究进展,主要从对传统催化体系的改进和新型催化剂的开发两方面加以评述。其中,利用新型高定向催化体系能够得到cis-1,4含量达到99%乃至更高的顺式聚异戊二烯。钛系催化剂因其独特的优越性而被国外产业界普遍接受,且发展比较成熟。稀土系也具有较大的发展空间,近年来备受关注。未来对于高顺式聚异戊二烯的研究将主要集中于对催化体系的开发和相应工艺的改进。Cis-1,4 polyisoprene rubber（PIP）can replace natural rubber in many fields because of its good application performances. In this paper,the production technology and catalytic system as well as the production capacity of PIP are systemically introduced. Based on the total existing adopt solution,polymerization processes are reviewed. Gas phase polymerization has many advantages,such as none solvent,low energy consumption,simple process,low cost,less pollution,which make it significant. Moreover,we summarize the studies on the synthesis of PIP with high content of cis-1,4 structure,mainly from two aspects：the improvement of traditional catalytic system and the invention of new catalytic system,which can be employed to prepare cis-rich polyisoprene with 99% or more cis-1,4 structure. Ti catalytic system has been widely accepted by industry abroad and has become mature. The rare-earth catalytic system has large development space and has attracted much attention in recent years. Study on cis-rich polyisoprene will mainly be focused on the development of catalytic system and the improvement of relevant processes in the future.

关 键 词：聚异戊二烯 顺式结构 催化剂 溶液聚合 气相聚合 颗粒物料 

分 类 号：TQ333.3[化学工程—橡胶工业]