Catalysts for polymerizing olefins

Details Catalysts for polymerizing olefins Catalysts for polymerizing olefins

1978-02-09

1980-04-22

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

526142, C08F 464

Patent

active

041994744

ABSTRACT:
A process for producing titanium-trichloride based catalyst comprising reducing titanium tetrachloride in excess with an organo-aluminum compound in the presence of 2 to 5 mols per mol of organo-aluminum of one or more aliphatic ethers having the formula R'--O--R" in which R' and R" are alkyl groups containing 1 to 5 carbon atoms and maturing the formed precipitate at a temperature within the range of 80.degree.-115.degree. C., said catalyst being useful with an organo-metallic co-catalyst in the polymerization of olefins.

REFERENCES:
patent: 2976252 (1961-03-01), Leary et al.
patent: 3116274 (1963-12-01), Boehm et al.
patent: 3652705 (1972-03-01), Alakawa et al.
patent: 3813374 (1974-05-01), Perry
patent: 3864278 (1975-02-01), La Heij et al.
patent: 4110248 (1978-08-01), Sandis et al.

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