Titanium trichloride catalytic component and method for...

Details Titanium trichloride catalytic component and method for... Titanium trichloride catalytic component and method for...

C - Chemistry, Metallurgy

08

F

252/109, 402/643

C08F 4/76 (2006.01) C08F 10/00 (2006.01)

Patent

CA 1139294

ABSTRACT OF THE DISCLOSURE: A titanium tirchloride catalytic component obtained by sepa- rating it out of a solution consisting of titanium tetrachloride, an organic ether compound and an organo-aluminum compound dissolv- ed in a solvent. The solvent is a mixture consisting of a satu- rated aliphatic hydrocarbon and/or an alicyclic hydrocarbon with 20 to 70% by volume of a concomitant aromatic hydrocarbon halide included therein. The organo-aluminum compound, the titanium tetrachloride and the organic ether compound are added to this mixed solvent at a solvent temperature not exceeding 55°C. Following this, the solvent temperature is raised up to a value between 45 and 150°C over a period of 10 minutes to 24 hours with an organic ether compound and/or titanium tetrachloride further added in this temperature raising process to obtain therebey a titanium trichloride catalytic component having average particle diameter between 10 and 1000 µ. Then homo- or co-poly- merization of .alpha.-olefin is carried out by using a catalyst system comprising this catalytic component and an organo-aluminum com- pound.

342503

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