Metallocene compounds and use thereof in catalysts for the...

C - Chemistry – Metallurgy – 07 – F

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C07F 17/00 (2006.01) C07C 2/86 (2006.01) C07C 13/547 (2006.01) C07C 49/643 (2006.01) C07C 49/675 (2006.01) C07F 7/08 (2006.01) C08F 4/642 (2006.01) C08F 10/00 (2006.01) C08F 4/659 (2006.01) C08F 4/6592 (2006.01) C08F 110/02 (2006.01) C08F 110/06 (2006.01) C08F 210/16 (2006.01)

Patent

CA 2164599

A class of bridged or unbridged metallocene compounds is disclosed, wherein the cyclopentadienyl ligands have two or four adjacent substituents forming one or two alkylenic cycles of from 4 to 8 carbon atoms. These metallocenes are useful as catalyst components for the polymerization of olefins, particularly for the (co)polymerization of ethylene and for the polymerization of propylene.

Classe de composés métallocènes pontés ou non pontés, dans lesquels les ligands du cyclopentadiényle possèdent deux ou quatre substituants adjacents formant un ou deux cycles alcoyléniques possédant de 4 à 8 atomes de carbone. Ces métallocènes sont utiles en tant que constituants de catalyseurs de polymérisation d'oléfines, notamment de (co)polymérisation d'éthylène et de polymérisation de propylène.

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