Polymerization catalyst

Details Polymerization catalyst Polymerization catalyst

1976-08-09

1978-04-04

Garvin, Patrick P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252429C, 252430, 526142, C08F 402, C08F 464

Patent

active

040826929

ABSTRACT:
Process for the production of a supported Ziegler catalyst comprising adding a halogen containing titanium compound to a fluidized bed of a magnesium-containing Ziegler support material and treating the product with an alcohol or phenol. Preferred titanium compound is titanium tetrachloride and preferred support material is magnesium oxide of the product of heating magnesium chloride with silica. The catalyst is activated using conventional Ziegler activators e.g. trialkyl aluminium.

REFERENCES:
patent: 3150122 (1964-09-01), Andersen et al.
patent: 3163611 (1964-12-01), Andersen et al.
patent: 3166542 (1965-01-01), Orzechowski et al.
patent: 3226338 (1965-12-01), Riley et al.
patent: 3267162 (1966-08-01), Bohl
patent: 3483136 (1969-12-01), VAN DER Plas et al.
patent: 3649709 (1972-03-01), Medema et al.
patent: 3993588 (1976-11-01), Thukral

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