Catalyst for polymerization of olefins

Details Catalyst for polymerization of olefins Catalyst for polymerization of olefins

C - Chemistry, Metallurgy

08

F

252/109

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

Patent

CA 1137461

ABSTRACT OF THE DISCLOSURE A catalyst comprising (A) a solid catalyst component obtained by reacting a titanium compound having a hydrocarbyloxy group with an organoaluminum compound in the presence of an ether to give a liquid material or to give a solid titanium component (a) which is solubilized by addition of a tetravalent titanium halide with or without an ether without separation or after separation from the reaction mixture, and heat treating the liquid material at a temperature of 70° to 180°C with or without addition of a tetravalent titanium halide, and (B) an organo- aluminum compound is effective for polymerization or copolymerization of olefins with high stereoregularity and has high polymerization activity.

356699

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