Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1977-12-02
1978-12-05
Garvin, Patrick
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252429C, 252430, 526124, C08F 410, C08F 464
Patent
active
041285026
ABSTRACT:
Polyethylene or ethylene copolymer containing up to about twenty percent of a C.sub.3 to C.sub.8 olefin can be made by using a solid catalyst component prepared from (1) a lower alkyl magnesium alkoxide or magnesium hydroxide, (2) a titanium-aluminum compound, and (3) a lower alkyl alkylaluminum dichloride. Said solid component can be used in conjunction with a trialkylaluminum promoter in a slurry or vapor phase polymerization process at moderate polymerization temperatures and pressures.
REFERENCES:
patent: 3644318 (1972-02-01), Diedrich et al.
patent: 3654249 (1972-04-01), Diedrich et al.
patent: 3819599 (1974-06-01), Fotis et al.
patent: 3951935 (1976-04-01), Engelmann
Fotis Peter
Kildahl Nicholas K.
Garvin Patrick
Gilkes Arthur G.
Hensley Stephen L.
McClain William T.
Standard Oil Company (Indiana)
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