Polymerization process using catalysts with acid gelled aluminum

Details Polymerization process using catalysts with acid gelled aluminum Polymerization process using catalysts with acid gelled aluminum

1982-09-27

1984-04-24

Levin, Stanford M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

502154, 502209, 502210, 423308, 423311, 526105, 526106, 526352, C08F 402, C08F 420, C08F 424

Patent

active

044449623

ABSTRACT:
Aluminum orthophosphate is prepared by combining a source of phosphate ions with an aluminum salt to form a concentrated mass, combining with sufficient neutralizing agent to partially neutralize, and aging until gellation occurs. The resulting aluminum phosphate is particularly suited for use as a base for a chromium olefin polymerization catalyst.

REFERENCES:
patent: 2930789 (1960-03-01), Kerber et al.
patent: 3271299 (1966-09-01), Kearby
patent: 4080311 (1978-03-01), Kehl
patent: 4147758 (1979-04-01), Adrian et al.
patent: 4219444 (1980-08-01), Hill et al.

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