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Copolymerization of Ethylene/1-hexene and Polymerization of Propylene with Cp-indenyl Zirconium Complexes

✍ Scribed by Zhang Yong; Yang Xiao-Xia; Yu Yi-Hua; Qian Yan-Long; Huang Ji-Ling

Publisher: John Wiley and Sons
Year: 2005
Tongue: English
Weight: 63 KB
Volume: 23
Category: Article
ISSN: 0256-7660
DOI: 10.1002/cjoc.200591081

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✦ Synopsis

Abstract

Complexes (R^1^Cp)(R^2^Ind)ZrCl~2~, the catalysts previously reported active for ethylene polymerization showed high activity in ethylene/1‐hexene copolymerization and propylene polymerization in the presence of MAO. The content of 1‐hexene in copolymers ranged from 1.2% to 3.2%. In propylene polymerization the complex 1 showed the highest activity, up to 1.2×10^6^ g of polypropylene per mol of catalyst per hour. Based on the analysis of NMR spectral data, the relationships between complex structures and polymerization results were explored.

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