Thermoplastic mixtures of polypropylene with ethylene/vinyl acet

Details Thermoplastic mixtures of polypropylene with ethylene/vinyl acet Thermoplastic mixtures of polypropylene with ethylene/vinyl acet

1979-03-12

1980-07-01

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...

525 97, 525211, 525232, C08L 2316, C08L 5300, C08L 4500

Patent

active

042105790

ABSTRACT:
A thermoplastic mixture comprising (A) from 2 to 40% by weight of a partially crystalline ethylene/propylene copolymer or terpolymer having an ethylene content of from 70 to 90% by weight and an endothermic heat of fusion of from 6 to 18 cal/g, (B) from 30 to 93% by weight of a crystalline polypropylene, and (C) from 5 to 30% by weight of a copolymer of ethylene and vinyl acetate containing from 20 to 70% by weight of vinyl acetate, the percentages being based on the sum of (A)+(B)+(C).

REFERENCES:
patent: 3361852 (1968-01-01), Bassett et al.
patent: 3941859 (1976-03-01), Batiuk et al.

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