Covalently linked heterobimetallic catalysts for olefin polymerization

Jiaxi Wang, Hongbo Li, Neng Guo, Liting Li, Charlotte L. Stern, Tobin J. Marks

Research output: Contribution to journalArticlepeer-review

92 Citations (Scopus)


This contribution describes the synthesis and polymerization characteristics of the covalently linked heterobinuclear constrained-geometry polymerization catalyst (μ-CH 2CH 2-3,3′) {(η 5-indenyl)[1-Me 2Si( tBuN)]-(TiMe 2)}{(η 5-indenyl)[1-Me 2Si( tBuN)](ZrMe 2)} (Ti 1Zr 1). When activated with Ph 3C +B(C 6F 5) 4 -, it is competent to produce long-chain (≥C 6) branched polyethylenes in ethylene homopolymerization, in sharp contrast to control experiments with mixtures of analogous but mononuclear Zr and Ti CGC catalysts.

Original languageEnglish
Pages (from-to)5112-5114
Number of pages3
Issue number22
Publication statusPublished - Oct 25 2004

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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