Polyamide compositions
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United States of America Patent
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Jan 9, 1996
Issued Date -
N/A
app pub date -
Feb 14, 1994
filing date -
Jun 23, 1988
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Expired
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Abstract
Impact resistant polyamide composition containing more than 45 wt. % polyamide and relatively minor amounts of an impact modifier. The impact modifier is an elastomer with groups that are reactive with respect to the polyamide. The impact modifier has an adverse effect on the high-temperature properties, which were already poor. According to the invention, compositions of polyamide, impact modifier and a copolymer of a vinylaromatic compound, in particular styrene, and maleic anhydride have improved high-temperature properties while maintaining good impact resistance.
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