Chromium-containing catalysts for polymerizing olefins

Details Chromium-containing catalysts for polymerizing olefins Chromium-containing catalysts for polymerizing olefins

1981-05-14

1982-12-07

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252467, 252470, B01J 2106, B01J 2322, B01J 2326, B01J 2386

Patent

active

043626548

ABSTRACT:
Inorganic oxide supported chromium-containing catalysts are improved by depositing the chromium onto the inorganic oxide support in the vapor phase rather than as an inorganic or organic compound. Polymers resulting from polymerizing one or more .alpha.-olefins in the presence of such catalysts exhibit a higher molecular weight as compared to those polymers prepared in the presence of such chromium-containing catalysts prepared in the conventional manner.

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patent: 4218345 (1980-08-01), Hoff et al.
Werber; Polymerization of Olefins on Supported Catalysts; (1959) pp. 180-191.

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