Fiber-forming polyamide with concentrate of polyamide and sulfonated aromatic acid
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United States of America Patent
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Aug 13, 2002
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N/A
app pub date -
Aug 28, 2000
filing date -
Aug 31, 1995
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Expired
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Abstract
A fiber-forming polyamide composition including a combination of a fiber-forming polyamide with a concentrate having one or more sulfonated aromatic acid reagents in a thermoplastic carrier resin. The concentrate preferably comprises an alkali metal salt of 5-sulfoisophthalic acid, preferably carried in a matrix comprising one or more thermoplastic polyesters or polyamides.
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