Tough thermoplastic nylon compositions
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United States of America Patent
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-
Nov 17, 1987
Issued Date -
N/A
app pub date -
Mar 11, 1986
filing date -
Nov 3, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Tough multi-phase thermoplastic compositions consisting essentially of 55 to 99 parts by weight of a polyamide matrix and 1 to 45 parts by weight of a multiphase polymer comprising 50 to 90 parts by weight of a crosslinked elastomer core and 10 to 50 parts by weight of a rigid polymer shell comprising from about 1 to about 25 parts by weight of an interpolymerized ethylenically unsaturated carboxylic acid monomer, from about 20 to about 80 parts by weight of interpolymerized styrene, from about 0 to about 79 parts by weight of an interpolymerized C.sub.1 to C.sub.8 alkyl acrylate or methacrylate and from about 0 to about 45 parts by weight of an interpolymerized acrylonitrile. The toughened compositions are useful for making molded and extruded parts possessing impact resistance and ductility.
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