Polymerization catalyst and process

Details Polymerization catalyst and process Polymerization catalyst and process

1980-10-08

1982-04-13

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

526122, C08F 464

Patent

active

043246923

ABSTRACT:
A process for preparing a supported Ziegler catalyst component by reacting together an alcohol and a halogen-containing transition metal compound in the presence of a zinc halide, and impregnating a support material having surface hydroxyl groups with the reaction mixture. The alcohol can be aliphatic or aromatic, for example, isopropanol. The transition metal compound can be, for example, a halide, halo-alkoxide or oxyhalide of titanium, vanadium, zirconium or chromium. The zinc halide is preferably zinc chloride. The supported catalyst component can be activated using conventional Ziegler catalyst activators and used to polymerize 1-olefins.

REFERENCES:
patent: 3163611 (1964-12-01), Andersen et al.
patent: 3775391 (1973-11-01), Jennings et al.
patent: 4170568 (1979-10-01), Kirkwood
patent: 4250286 (1981-02-01), Shipley

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