Small amounts of aluminum alkyl or dihydrocarbyl magnesium in sl

Details Small amounts of aluminum alkyl or dihydrocarbyl magnesium in sl Small amounts of aluminum alkyl or dihydrocarbyl magnesium in sl

1981-05-22

1983-02-15

Levin, Stanford M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 64, 526 65, 5263482, 526352, C08F 446, C08F 478

Patent

active

043742343

ABSTRACT:
Small amounts of an aluminum alkyl or a dihydrocarbylmagnesium compound are used in slurry olefin polymerization employing a silica supported chromium catalyst in order to reduce the induction period and increase catalyst activity while having only a modest effect on polymer properties.

REFERENCES:
patent: 3351623 (1967-11-01), Walker et al.
patent: 3658777 (1972-04-01), Green
patent: 3704287 (1972-11-01), Johnson
patent: 3891611 (1975-06-01), Abe et al.
patent: 3919185 (1975-11-01), Takebe et al.
patent: 3947433 (1976-03-01), Witt
patent: 3956257 (1976-05-01), Hogan
patent: 4146695 (1979-03-01), van de Leemput

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