Process for producing propylene polymer or copolymer

Details Process for producing propylene polymer or copolymer Process for producing propylene polymer or copolymer

C - Chemistry, Metallurgy

08

F

402/645

C08F 10/06 (2006.01) C08F 2/00 (2006.01) C08F 4/64 (2006.01)

Patent

CA 1097850

S-1017961C/77 ABSTRACT OF THE DISCLOSURE A process for producing a propylene polymer or copolymer which comprises polymerizing (a) propylene or (b) a mixture of propylene and another unsaturated hydrocarbon monomer in liquid propylene in the presence of a catalyst system of (A) a titanium trichloride composition obtained by reducing titanium tetrachloride with an organoaluminum compound and activating the product, (B) an organoaluminum compound having the general formula R2A1X wherein R represents an alkyl group or an aralkyl group, each containing up to 18 carbon atoms, and X represents a halogen atom; and (C) an unsaturated carboxylic acid ester, while adjusting the amount of the polymer produced to at least 8000 g per gram of the titanium trichloride composition.

282010

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