Ziegler catalysts

Details Ziegler catalysts Ziegler catalysts

C - Chemistry, Metallurgy

08

F

252/52.F

C08F 4/02 (2006.01) C08F 4/64 (2006.01) C08F 10/00 (2006.01)

Patent

CA 1093052

ABSTRACT OF THE DISCLOSURE Ziegler catalytic system comprising an organo-metallic compound of a metal of Groups I to III of the Periodic System and a compound of a heavy metal of Groups IV to VI supported on an alumina carrier, the latter being an activated amorphous alumina containing from 0.3 to 30% by weight of salts of aluminum with oxygenated inorganic anions, or of a mixture of the latter with salts of aluminum with non-oxygenated inorganic anions, said carrier being prepared by precipitating an alumina gel at a pH value of 7 - 10, introducing the inorganic anions into said gel, drying said gel and calcining the resulting amorphous alumina at 250° - 700°C.

288660

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