Di- and tri-heteroatom substituted indenyl metal complexes

Details Di- and tri-heteroatom substituted indenyl metal complexes Di- and tri-heteroatom substituted indenyl metal complexes

C - Chemistry, Metallurgy

07

F

C07F 17/00 (2006.01) C08F 4/642 (2006.01) C08F 10/00 (2006.01)

Patent

CA 2368111

Novel metal complexes containing at least two heteroatoms attached to an indenyl or substituted indenyl radical which is bridged by ligand group thereby forming a covalent or coordinate/covalent bond to the metal, the use of such metal complexes in the formation of polymerization catalysts and processes for polymerizing .alpha.-olefins using such catalysts.

Ces nouveaux complexes métalliques contiennent au moins deux hétéroatomes attachés à un radical indényle ou à un radical indényle substitué, qui est ponté par un groupe ligand, formant ainsi une liaison covalente ou coordonnée/covalente avec le métal. L'invention concerne l'utilisation de tels complexes métalliques dans la formation de catalyseurs de polymérisation, ainsi que des procédés de polymérisation de .alpha.-oléfines à l'aide de tels catalyseurs.

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