Phosphate supported chromium catalyst

Details Phosphate supported chromium catalyst Phosphate supported chromium catalyst

1980-12-31

1982-12-21

Niebling, John F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252428, B01J 3102

Patent

active

043648428

ABSTRACT:
In accordance with one embodiment of this invention, a chromium catalyst supported on an aluminum phosphate-containing base is used in conjunction with a boron component either as a part of the base or as a cocatalyst. The resulting catalyst is unique both in its favorable sensitivity to molecular weight control agents such as hydrogen and in its ability to produce a fundamentally different olefin polymer. In accordance with another embodiment of this invention, the chromium is supported on a phosphate base produced using a melt of the aluminum salt.

REFERENCES:
patent: 2441297 (1948-05-01), Stirton
patent: 2930789 (1960-03-01), Kerber
patent: 3271299 (1966-09-01), Kearby
patent: 3342750 (1967-09-01), Kearby
patent: 3453219 (1969-07-01), O'Hara
patent: 3904550 (1975-09-01), Pine
patent: 3947433 (1976-03-01), Witt
patent: 4080311 (1978-03-01), Kehl
patent: 4219444 (1980-08-01), Hill et al.

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