Method for preparing a solid catalyst component for ethylene...

Details Method for preparing a solid catalyst component for ethylene... Method for preparing a solid catalyst component for ethylene...

C - Chemistry, Metallurgy

08

F

C08F 10/02 (2006.01) C08F 4/16 (2006.01) C08F 10/00 (2006.01)

Patent

CA 2045188

A solid catalyst component for ethylene (co)polymerization, consisting of a particulate silica support and a catalytically active part containing titanium, magnesium, chlorine and alkoxy groups is obtained by a) preparing a solution of magnesium chloride in ethanol; b) impregnating particulate silica with said solution; c) eliminating the unabsorbed ethanol from the suspension; d) eliminating absorbed ethanol from the solid; e) interacting the resultant solid with a titanium chloride, alkoxide or chloroalkoxide; and possibly interacting with an alkylaluminium chloride. In a preferred embodiment in stage e), a silicon halide is added to improve the catalyst activity.

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