Process for the manufacture of a catalyst

Details Process for the manufacture of a catalyst Process for the manufacture of a catalyst

1979-01-22

1980-07-15

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252428, 252431R, 526129, 526153, 526156, 526169, C08F 402, C08F 422, C08F 478

Patent

active

042127653

ABSTRACT:
A catalyst for the polymerization of 1-olefins is prepared by reacting a chromate ester fixed on a carrier selected from the group consisting of oxides of silicon, oxides of aluminum, and mixtures of said oxides, in the absence of an unsaturated polymerizable hydrocarbon, with an aluminum-organic compound and subsequently activating with aluminum-organic compound. No washing liquids that have to be worked up are obtained and the polymers, obtained in a high yield have a broad molecular weight distribution and contain only a small proportion of high molecular constituents. The films made therefrom are practically free from specks.

REFERENCES:
patent: 3071601 (1963-01-01), Aries
patent: 3412174 (1968-11-01), Kroll
patent: 3493554 (1970-02-01), Rexers
patent: 3984351 (1976-10-01), Rexers et al.

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