Process for producing ethylene-.alpha.-olefin copolymers

Details Process for producing ethylene-.alpha.-olefin copolymers Process for producing ethylene-.alpha.-olefin copolymers

1996-11-19

1999-01-05

Caldarola, Glenn

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By addition of entire unsaturated molecules, e.g.,...

585 12, 585329, C08F 234

Patent

active

058566104

ABSTRACT:
A process for producing an ethylene-.alpha.-olefin copolymer which includes subjecting ethylene to an oligomerization reaction in the presence of an oligomerization catalyst to convert a part of the ethylene to .alpha.-olefin, and thereby obtaining a reaction solution, a reaction gas or a mixture of the reaction solution and the reaction gas containing .alpha.-olefin and unreacted ethylene; distilling the reaction solution, the reaction gas or the mixture of the reaction solution and the reaction gas to obtain a mixture consisting mainly of ethylene and .alpha.-olefin from the top of the distillation column; and feeding a starting material containing the mixture obtained from the distillation column into a polymerization reactor, thereby copolymerizing the ethylene and .alpha.-olefin in the presence of a polymerization catalyst to obtain an ethylene-.alpha.-olefin copolymer.

REFERENCES:
patent: 4532370 (1985-07-01), Le Quan et al.
patent: 4740645 (1988-04-01), Garwood et al.
patent: 5019357 (1991-05-01), Harandi et al.

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