Polymerization using phosphated alumina or aluminum phosphate ch

Details Polymerization using phosphated alumina or aluminum phosphate ch Polymerization using phosphated alumina or aluminum phosphate ch

1983-04-04

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...

526105, 526352, C08F 402, C08F 424

Patent

active

044449666

ABSTRACT:
A catalyst system suitable for olefin polymerization comprising a catalyst component made up of chromium on a phosphated alumina or low phosphorus aluminum phosphate base and optionally an organometal cocatalyst. The resulting catalyst is particularly sensitive to the effects of hydrogen as a molecular weight control agent, thus allowing the production of polymers of having a melt flow varying over a wide spectrum utilizing the same catalyst.

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