Olefine polymerisation catalyst

Details Olefine polymerisation catalyst Olefine polymerisation catalyst

C - Chemistry, Metallurgy

08

F

252/107, 402/584

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

Patent

CA 1145321

- 27 - 30578 ABSTRACT OLEFINE POLYMERISATION CATALYST A component of a polymerisation catalyst is prepared by reacting an organo-magnesium compound, or a complex with an organo-aluminium compound, with an halogenating agent such as silicon tetrachloride or hydrogen chloride, and then reacting the product with a Lewis Base compound, particularly an ester and finally with titanium tetrachloride. The product obtained is combined with an organo-aluminium compound preferably together with a Lewis Base and used to polymerise an olefine monomer particularly propylene. The catalyst system has a high activity and is stereospecific.

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