Catalyst for olefin polymerization

Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants

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526125, C08F 464

Patent

active

044003030

ABSTRACT:
A process for polymerizing ethylene using a catalyst component prepared by pretreating a magnesium dihalide with selected organic oxy compounds and then reacting the pretreated magnesium dihalide with a halogenated titanium compound.

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patent: 4013823 (1977-03-01), Longi et al.
patent: 4143223 (1979-03-01), Toyota et al.
patent: 4220745 (1980-09-01), Tanaka et al.
patent: 4258168 (1981-03-01), Karayannis et al.

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