Polyolefin composition comprising propylene polymer and ethylene

Details Polyolefin composition comprising propylene polymer and ethylene Polyolefin composition comprising propylene polymer and ethylene

1985-11-05

1986-10-28

Seccuro, Carman J.

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

Synthetic resins

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

525207, 525194, 525225, 525227, 525221, C08L 2312, C08L 2316, C08L 2308, C08L 3306

Patent

active

046199691

ABSTRACT:
A polypropylene-based resin composition comprising (A) from 60 to 99 parts by weight of a polypropylene-based resin and (B) from 1 to 40 parts by weight of an ethylene copolymer composed of from 25 to 98.5% by weight of ethylene, from 0.5 to 15% by weight of an unsaturated dicarboxylic acid anhydride and from 1 to 60% by weight of an unsaturated ester compound having from 4 to 12 carbon atoms and/or a modified copolymer obtained by ring opening addition reaction of the acid anhydride group of said ethylene copolymer with an alcohol having from 1 to 20 carbon atoms. The composition provides a molded particle having excellent finishing workability and improved mechanical properties.

REFERENCES:
patent: 3410928 (1968-11-01), Baum
patent: 3497574 (1970-02-01), Press
patent: 3966672 (1976-06-01), Gaylord
patent: 4042648 (1977-08-01), Kitamura et al.
patent: 4284542 (1981-08-01), Boyce et al.

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