Process for providing polyamide materials with stain resistance

Details Process for providing polyamide materials with stain resistance Process for providing polyamide materials with stain resistance

1990-01-29

1990-06-26

Lusignan, Michael

Stock material or miscellaneous articles

Pile or nap type surface or component

With coating, impregnation, or bond

811554, 81156, 252 857, 252 86, 252 88, 4273934, 428267, 524556, B05D 302, B32B 700, C14C 900

Patent

active

049371231

ABSTRACT:
A method for imparting to fibrous polyamide materials stain resistance to acid colorants is provided. The method comprises contacting the fibrous polyamide materials with an aqueous treating solution comprising polymethacrylic acid, copolymers of methacrylic acid, or combinations thereof, and drying said substrate, said polymethacrylic acid, copolymers of methacrylic acid, or combinations thereof being provided in a sufficient amount and having a solubility and molecular weight such that said fibrous polyamide substrate has an improved acid colorant stain resistance.

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Sulfonated and Related Reactions, E. E. Gilbert, Interscience Publishers, 1965.
Phenolic Resins, A. Knopf et al., Springer-Verlag, 1985.

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