稀土异戊橡胶顺式结构含量的研究进展  

Research Progress in Proportion of Cisoid Conformation in Rare-earth Isoprene Rubber

作　　者：赵姜维[1] 

机构地区：[1]中国石油化工股份有限公司北京北化院燕山分院,北京市102500

出　　处：《石化技术》2012年第1期60-64,共5页Petrochemical Industry Technology

摘　　要：从催化剂制备和聚合工艺两方面对影响稀土异戊橡胶顺式结构含量的因素进行了分析,综述了国内外用于合成顺式结构含量大于98%和大于99%的聚异戊二烯的稀土催化体系的研究进展,并对这些体系的优缺点进行了阐述。针对目前国内稀土异戊橡胶生产现状,提出了发展建议。The impact factors to proportion of cis-conformation in rare earth isoprene rubber were analyzed from the catalyst preparation and the polymerization process.The rare-earth catalyst systems providing over 98% or over 99% of cis-conformation proportion for isoprene polymerization in home and abroad were reviewed,advantages and adverse of the systems described.Based on the production situation of the isoprene rubber in China,the positive suggestions were proposed.

关 键 词：异戊橡胶 稀土催化剂 顺式结构含量 

分 类 号：TQ333.3[化学工程—橡胶工业]