Olefin polymerization using chromium on an aluminum phosphate pr

Details Olefin polymerization using chromium on an aluminum phosphate pr Olefin polymerization using chromium on an aluminum phosphate pr

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...

423308, 423309, 423311, 526106, 526154, 526226, 526352, 502208, C08F 402, C08F 422, C08F 468

Patent

active

044449658

ABSTRACT:
Aluminum orthophosphate is prepared by combining a source of orthophosphate ions with an aluminum salt to form a concentrated mass, gelling, and thereafter converting the resulting hydrogel to a xerogel by removing water. The resulting aluminum phosphate is particularly suited for use as a base for a chromium olefin polymerization catalyst.

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patent: 3271299 (1966-09-01), Kearby
patent: 3385659 (1968-05-01), Turner et al.
patent: 3617569 (1971-11-01), Daniels et al.
patent: 3904550 (1975-09-01), Pine
patent: 4147758 (1979-04-01), Adrian et al.
patent: 4219444 (1980-08-01), Hill et al.

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