Process for providing polyamide materials with stain resistance with sulfonated novolak resin and polymethacrylic acd
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United States of America Patent
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Apr 18, 1989
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N/A
app pub date -
Mar 11, 1988
filing date -
Mar 11, 1988
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Expired
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Abstract
A treated fibrous polyamide substrate having resistance to staining by acid colorants is provided. The treated substrate comprises a fibrous polyamide substrate having applied thereto (a) a partially sulfonated novolak resin and (b) polymethacrylic acid, copolymers of methacrylic acid, or combinations of said polymethacrylic acid and said copolymers of methacrylic acid.
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