Catalyst system

Details Catalyst system Catalyst system

1978-09-29

1980-06-10

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252429C, 526114, 526137, 526138, C08F 464

Patent

active

042072069

ABSTRACT:
A propylene polymerization catalyst is formed by incorporation into a catalytic mixture, comprising a transition metal compound and an organoaluminum compound, effective amounts of Group Va or Group VII oxygen mineral acids whereby the amount of n-hexane-soluble polymeric product is decreased.

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patent: 4029866 (1977-06-01), Kennedy
patent: 4081590 (1978-03-01), Kennedy
patent: 4088812 (1978-05-01), Matuura et al.

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