Ethylene Polymerization with Combinations of Early‐ and Late‐Transition Metal Catalysts Immobilized on MgCl2 Supports

作者: John C. Chadwick , Rubin Huang , Nileshkumar Kukalyekar , Sanjay Rastogi

DOI: 10.1002/MASY.200751422

关键词: Ethylene polymerizationCatalysisMagnesiumNickelPolymer chemistryDiimineTransition metalPolyethyleneStereochemistryChemistryCatalyst support

摘要: Immobilization of combinations early- and late-transition metal catalysts on MgCl 2 supports has led to significant increases in catalyst activity when a nickel diimine is incorporated into Fe-, Cr- or Ti-based system, the formation intimately mixed, bimodal blends high- low-molecular weight polyethylene via coimmobilization Cr Fe catalysts.

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