Covalently linked heterobimetallic catalysis for olefin polymerization

被引：85

作者：

Wang, JX ^{[1
]}

Li, HB ^{[1
]}

Guo, N ^{[1
]}

Li, LT ^{[1
]}

Stern, CL ^{[1
]}

Marks, TJ ^{[1
]}

机构：

[1] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA

来源：

ORGANOMETALLICS | 2004年 / 23卷 / 22期

关键词：

D O I：

10.1021/om049481b

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

This contribution describes the synthesis and polymerization characteristics of the covalently linked heterobinuclear constrained-geometry polymerization catalyst (mu-CH2CH2-3,3'){(eta(5)-indenyl)[1-Me2Si((BuN)-Bu-t)](TiMe2) }{(eta(5)-indenyl)[1-Me2Si((BuN)-Bu-t)](ZrMe2)} (Ti1Zr1). When activated with Ph3C+B(C6F5)(-)(4), it is competent to produce long-chain (greater than or equal toC(6)) branched polyethylenes in ethylene homopolymerization, in sharp contrast to control experiments with mixtures of analogous but mononuclear Zr and Ti CGC catalysts.

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页码：5112 / 5114

页数：3

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