Method for preparing a magnesium halide support for catalysts

Details Method for preparing a magnesium halide support for catalysts Method for preparing a magnesium halide support for catalysts

C - Chemistry, Metallurgy

08

F

23/175, 252/40,

C08F 4/02 (2006.01) C08F 10/00 (2006.01)

Patent

CA 1161820

ABSTRACT A process for preparing an effective support for the titanium halide component of a coordinate complex catalyst for the polymerization of alpha- olefins comprises the steps of: a) intimately contacting a magnesium or manganese chloride or bromide with a drying agent at an elevated temperature, b) milling the magnesium or manganese chloride or bromide so as to activate its surface; and c) repeat contacting step a) and milling step b) for two or more cycles, whereby the effective support is produced.

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