Components and catalysts for the polymerization of olefins

C - Chemistry – Metallurgy – 08 – F

Patent

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Details

C08F 4/634 (2006.01) C08F 4/02 (2006.01) C08F 4/60 (2006.01) C08F 10/00 (2006.01) C08J 5/00 (2006.01) C08F 4/639 (2006.01) C08F 4/6392 (2006.01)

Patent

CA 2163969

The present invention relates to components of catalysts for the polymerization of olefins comprising the product that can be obtained by bringing a compound of a transition metal M, containing at least one M-.pi. bond, into contact with an olefinic prepolymer obtained by polymerization of one or more olefins with a coordination catalyst comprising a compound of Ti or V supported on a magnesium halide.

L'invention se rapporte à des constituants de catalyseurs destinés à la polymérisation d'oléfines, comprenant un produit susceptible d'être obtenu en mettant en contact un composé d'un métal M de transition contenant au moins une liaison M-.pi. avec un prépolymère oléfinique obtenu par polymérisation d'une ou de plusieurs oléfines, à l'aide d'un catalyseur de coordination comprenant un composé de Ti ou V sur un support d'halogénure de magnésium.

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