Three-component resin compositions having improved coating prope

Details Three-component resin compositions having improved coating prope Three-component resin compositions having improved coating prope

1981-08-19

1983-02-01

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 71, 525 93, C08L 2316, C08L 5302, C08L 5300

Patent

active

043716628

ABSTRACT:
A resin composition having improved coating properties which comprises (A) 67 to 91% by weight of an ethylene-propylene block copolymer and (B) 33 to 9% by weight of an ethylene-propylene rubber having a Mooney viscosity (ML.sub.1+4, 100.degree. C.) of 18 to 34 and, if necessary, (C) 3 to 15 parts by weight of an unsaturated carboxylic acid-modified polybutadiene or a styrene-based elastomer per 100 parts by weight of the total of Components (A) and (B). The resin composition has excellent flowability and coating properties. A mold produced from the resin composition can be uniformly coated with a paint without either special pretreatment or a degreasing treatment. These characteristic features are improved in the composition comprising Components (A), (B) and (C).

REFERENCES:
patent: 3478128 (1969-11-01), Hagemeyer et al.
patent: 4247661 (1981-01-01), Herman et al.

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