Process for preparing low density ethylene copolymers

Details Process for preparing low density ethylene copolymers Process for preparing low density ethylene copolymers

1979-12-26

1981-11-03

Hamrock, William F.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525247, 525268, 525320, 525321, 525322, 525324, 526 75, C08F 206, C08F 416

Patent

active

042987130

ABSTRACT:
A process for producing an ethylene copolymer having a density of from 0.900 to 0.945 g/cm.sup.3 by copolymerizing in two steps a predominant amount of ethylene with a minor amount of an alpha-olefin containing at least 3 carbon atoms at room temperature to not more than about 100.degree. C. under a pressure of about 1 to about 100 kg/cm.sup.2 in the presence of a catalyst composed of (A) a titanium catalyst component supported on a magnesium compound and (B) an organoaluminum compound; characterized in that said copolymerization is carried out in

REFERENCES:
patent: 4128606 (1978-12-01), Furutachi et al.
patent: 4128607 (1978-12-01), Shiomura et al.
patent: 4149990 (1979-04-01), Giamnini et al.

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