Polymerization catalyst and process

Details Polymerization catalyst and process Polymerization catalyst and process

1980-10-06

1982-02-23

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252429C, 526124, 526125, C08F 464, C08F 402

Patent

active

043168183

ABSTRACT:
An active olefin polymerization catalyst is produced by halogenating magnesium oxide, contacting the halogenated magnesium oxide product with an alcohol, and treating the product thus produced with a titanium tetrahalide to obtain the catalyst. The catalyst can be combined with a cocatalyst component comprising a metallic hydride or an organometallic compound, e.g., an organoaluminum compound, in the polymerization process.

REFERENCES:
patent: 3642746 (1972-02-01), Kashiwa et al.
patent: 3658722 (1972-04-01), Delbouille et al.
patent: 3859231 (1975-01-01), Kochhar et al.
patent: 3888789 (1975-06-01), Dombro et al.
patent: 4006101 (1977-02-01), Matsuura et al.
patent: 4167493 (1979-09-01), Hsieh
patent: 4204981 (1980-05-01), Invernizzi et al.
patent: 4252670 (1981-02-01), Caunt et al.

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