Multi-phase thermoplastic compositions and articles obtained therefrom
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United States of America Patent
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-
Dec 3, 1991
Issued Date -
N/A
app pub date -
Dec 5, 1989
filing date -
Apr 23, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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