Catalysts containing per-ortho aryl substituted aryl or...

C - Chemistry – Metallurgy – 08 – F

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C08F 4/70 (2006.01) C07C 205/06 (2006.01) C07C 211/52 (2006.01) C07C 233/56 (2006.01) C07C 251/08 (2006.01) C07C 251/12 (2006.01) C07C 251/16 (2006.01) C07C 251/20 (2006.01) C07C 257/02 (2006.01) C07C 257/14 (2006.01) C07D 207/50 (2006.01) C07D 295/30 (2006.01) C07D 309/34 (2006.01) C07D 339/08 (2006.01) C07D 409/14 (2006.01) C07F 9/572 (2006.01) C07F 15/04 (2006.01) C08F 10/00 (2006.01)

Patent

CA 2421054

Catalyst compositions useful for the polymerization of olefins are disclosed. These compositions comprise a Group 8-10 metal complex comprising a bidentate or variable denticity ligand comprising two nitrogen donor atoms independently substituted by an aromatic of heteroaromatic ring(s), wherein the ortho positions of said ring(s) are substituted by aryl or heteroaryl groups. Also disclosed are proceses for the polymerization of olefins using the catalyst compositions.

La présente invention concerne des compositions de catalyseur qui conviennent pour la polymérisation des oléfines. Ces compositions comprennent un complexe métallique du groupe 8-10 qui comprend un élément bidenté ou un ligand à nombre de dents variable qui comprend deux atomes donneurs d'azote indépendamment substitué par un élément aromatique d'un ou de cycles hétéroaromatiques, dans lesquels les orthopositions de ces cycles sont substituées par des groupes aryle ou hétéroaryle. Cette invention concerne aussi des processus de polymérisation d'oléfines utilisant ces compositions de catalyseur.

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