New zirconocenes with 4,5,6,7-tetrahydroindene ligands. Synthesis and catalytic activity in the polymerization of ethylene and copolymerization of ethylene with hex-1-ene期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

New zirconocenes with 4,5,6,7-tetrahydroindene ligands. Synthesis and catalytic activity in the polymerization of ethylene and copolymerization of ethylene with hex-1-ene

Authors:	A. F. Asachenko A. A. Bush A. Yu. Smirnov O. S. Morozov P. B. Dzhevakov S.-Y. Kim M.-S. Cho K.-S. Lee Y.-H. Lee K.-J. Cho S.-M. Lee M. S. Nechaev

Affiliation:	1.A. V. Topchiev Institute of Petrochemical Synthesis,Russian Academy of Sciences,Moscow,Russian Federation;2.LGChem Research Park,Basic Material R&D,Daejeon,South Korea;3.Department of Chemistry,M. V. Lomonosov Moscow State University,Moscow,Russian Federation

Abstract:	A series of symmetric and nonsymmetric tetrahydroindenyl zirconium complexes was obtained by the reaction of ZrCl₄ or (CpTMS)ZrCl₃ with lithium salts of the corresponding tetrahydroindenes. Activated with methylalumoxane, these complexes exhibit high activity in polymerization of ethylene (up to 6.8?10⁶ g PE (mol Zr h)^–1), as well as in copolymerization of ethylene and hex-1-ene (up to 8.6?10⁶ g PE (mol Zr h)^–1).

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