Olefin polymerization catalyst, process and polyolefin product

Details Olefin polymerization catalyst, process and polyolefin product Olefin polymerization catalyst, process and polyolefin product

1980-07-07

1982-06-08

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252429C, 526116, C08F 464

Patent

active

043338518

ABSTRACT:
A supported Ziegler catalyst prepared by reacting, under substantially anhydrous conditions, a refractory oxide support material having acidic surface hydroxyl groups, e.g. silica, and an organo metallic compound, e.g. a trialkyl aluminium compound, separating any unreacted organo metallic compound and impregnating the solid product with a halogen-containing titanium compound and a halogen-containing vanadium compound. The catalyst, preferably together with a conventional Ziegler catalyst activator, e.g. an aliminium alkyl, is employed to polymerize 1-olefins, for example ethylene.

REFERENCES:
patent: 3745154 (1973-07-01), Kashiwa et al.
patent: 4173547 (1979-11-01), Graff
patent: 4232140 (1980-11-01), Ort

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