Catalyst and process using same for producing olefin polymer

Details Catalyst and process using same for producing olefin polymer Catalyst and process using same for producing olefin polymer

C - Chemistry, Metallurgy

08

F

252/109, 400/205

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

Patent

CA 1206137

ABSTRACT OF THE DISCLOSURE A catalyst system for the polymerization of olefins which comprises; (A) a hydrocarbyloxy group- containing solid catalyst component prepared by (i) reducing a titanium compound repesented by the general formula Ti(OR1)nX4-n wherein, R1 represents a hydrocarbon radical of 1-20 carbon atoms, X represents a halogen atom, and n repre- sents a number satisfying 0.3 ? n ? 4, with an organo- aluminium compound represented by the general formula A? R2mY3-m wherein, R2 represents a hydrocarbon radical of 1-20 carbon atoms, Y represents a halogen atom, and m represents a number satisfying 1 ? m ? 3 in the absence of ether and (ii) treating the resulting, hydrocarbon solvent-insoluble, hydrocarbyloxy group-containing solid product in a slurry state with an ether compound and titanium tetrachloride at a temperature of 30-120 C, and (B) an organoaluminium com- pound

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