Titanium trihalide composition

Details Titanium trihalide composition Titanium trihalide composition

B - Operations, Transporting

01

J

252/107, 23/159,

B01J 31/38 (2006.01) C01G 23/02 (2006.01) C08F 4/16 (2006.01) C08F 10/00 (2006.01)

Patent

CA 1086712

ABSTRACT OF THE DISCLOSURE A titanium trihalide component of an olefine polymerisation catalyst is prepared by reacting together a titanium tetrahalide and an organo-aluminium compound, and treating the solid reaction product with a hydrocarbon solution of an alkyl aluminium dihalide. It is preferred that the solid reaction product is treated with a complexing agent, particu- larly an ether such as di-isoamyl ether before contacting with the alkyl aluminium dihalide. The titanium trihalide can then be used together with an organo-metallic compound to polymerise an olefine monomer, particularly propylene. The catalyst system may include further components in addition to the titanium trihalide and organo-metallic compound.

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