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Journal of organometallic chemistry

Dinuclear ansa zirconocene complexes containing a sandwich and a half-sandwich moiety as catalysts for the polymerization of ethylene

HG Alt, R Ernst, IK Böhmer

文献索引:Alt, Helmut G; Ernst, Rainer; Boehmer, Ingrid K Journal of Organometallic Chemistry, 2002 , vol. 658, # 1-2 p. 259 - 265

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被引用次数: 49

摘要

Dinuclear ansa zirconocene complexes containing a half-sandwich and a sandwich moiety and their ligand precursors have been synthesized and characterized. After activation with methylalumoxane (MAO), these catalysts produce polyethylenes with bimodal molecular weight distributions in homogeneous and heterogeneous media. The catalyst performances and the polymer properties were compared with mono nuclear reference catalysts.