Magnesium halide catalyst support and transition metal...

Details Magnesium halide catalyst support and transition metal... Magnesium halide catalyst support and transition metal...

C - Chemistry, Metallurgy

08

F

252/37, 402/375,

C08F 4/62 (2006.01) C08F 4/64 (2006.01) C08F 10/00 (2006.01)

Patent

CA 1248081

ABSTRACT OF THE DISCLOSURE A magnesium halide catalyst support is prepared by combining a magnesium component represented by the general formula R2Mg?xAlR'3 wherein R is a hydrocarbyl or a hydrocarbyloxy group; R' is a halide, hydrocarbyl, a hydrocarbyloxy, a carboxyl or an acyl group; and x has a value such that the atomic ratio of Al:Mg is 0.025:1 to 0.25:1 with a non-metallic halide source under conditions such that the reaction temperature does not exceed 60°C. The invention also concerns a magnesium halide supported transition metal catalyst wherein the transition metal component is a compound of the formula Tm(OR)yXy-x wherein Tm, R, X, y and x are as defined in the specification and a process for polymerizing one or more olefins using the aforementioned magnesium halide supported catalyst.

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