Multi-phase thermoplastic compositions and articles obtained the

Details Multi-phase thermoplastic compositions and articles obtained the Multi-phase thermoplastic compositions and articles obtained the

1989-12-05

1991-12-03

Carrillo, Ana L.

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

Synthetic resins

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

524514, 525183, C08L 7700

Patent

active

050701452

ABSTRACT:
Compositions comprising from 50 to 95% by weight of at least one polyamide resin, and from 5 to 50% by weight % of a polymer composition comprising from 84 to 99.1 mole % of units derived from ethylene and from 0.9 to 16 mole % of units derived from an unsaturated anhydride of a dicarboxylic acid and optionally from at least one of an alkyl acrylate or methacrylate whose alkyl group has from 1 to 8 carbon atoms. The polymer composition is present in the form of a mixture of (A) a polymer of ethylene and (B) a copolymer of ethylene and an unsaturated anhydride of a dicarboxylic acid. The weight ratio (A) to (B) lies between 1 to 6 and 6 to 1.
Application is to the production of articles having an improved impact resistance.

REFERENCES:
patent: 3373223 (1968-03-01), Armstrong
patent: 4160790 (1979-07-01), Mason et al.
patent: 4174358 (1979-11-01), Epstein
patent: 4554320 (1985-11-01), Reimann et al.

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