文献类型：专利

英文题名：New bridged binuclear metallocene compound used as catalyst in polymerization of propylene to stereoblock polypropylene

作者：LIU M;MI P;XU S

机构：[1]UNIV EAST CHINA SCI & TECHNOLOGY;[2]PETROCHINA CO LTD;[3]PETROCHINA CO LTD;[4]UNIV EAST CHINA SCI & TECHNOLOGY

申请号：CN104513280-B

公开日：2017-07-07

语种：英文

收录：DERWENT

摘要：NOVELTY - A bridged binuclear metallocene compound (I), is new. USE - New bridged binuclear metallocene compound is used as catalyst in polymerization of propylene to stereoblock polypropylene (all claimed). DETAILED DESCRIPTION - A bridged binuclear metallocene compound of formula (I), is new. R1=H, methyl, methylene, ethyl or phenyl;and R2=H, tert-butyl, bromo or chloro. An INDEPENDENT CLAIM is included for preparation of bridged binuclear metallocene compound (I).