Process for the preparation of a ziegler-natta type catalyst

Details Process for the preparation of a ziegler-natta type catalyst Process for the preparation of a ziegler-natta type catalyst

C - Chemistry, Metallurgy

08

F

C08F 4/645 (2006.01) B01J 31/00 (2006.01) B01J 31/38 (2006.01) C08F 4/00 (2006.01) C08F 4/02 (2006.01) C08F 4/16 (2006.01) C08F 4/58 (2006.01) C08F 4/642 (2006.01) C08F 4/646 (2006.01) C08F 4/649 (2006.01) C08F 4/651 (2006.01) C08F 4/654 (2006.01) C08F 4/658 (2006.01) C08F 10/00 (2006.01) C08F 10/02 (2006.01) C08F 110/00 (2006.01) C08F 110/02 (2006.01)

Patent

CA 2109136

The present invention relates to a process for the preparation of a Ziegler-Natta type catalyst having a granular support. The process comprises contacting she granular support with (a) an organosilicon compound, (b) a dialkylmagnesium and optionally a trialkylaluminium compound, (c) a monochloro-organic compound, and (d) with at least one tetravalent titanium compound. According to the invention the organosilicon compound can be a silane such as diethoxydimethylsilane, methyltrimethoxysilane, methyltriethoxysilane or tetraethoxysilane. It can also be a disilazane such as hexamethyldisilazane.

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