Process providing durable stain-resistance using methacrylic aci

Details Process providing durable stain-resistance using methacrylic aci Process providing durable stain-resistance using methacrylic aci

1993-04-26

1994-10-18

Lusignan, Michael

Stock material or miscellaneous articles

Pile or nap type surface or component

With coating, impregnation, or bond

811554, 81156, 427386, 4273934, 428267, B32B 302

Patent

active

053566890

ABSTRACT:
Process for imparting to polyamide substrates resistance to staining by acid dyes which is durable to shampooing and resistance to yellowing caused by exposure to UV and/or NO.sub.x, comprising applying to said substrate (A) one or more epoxy resins and (B) a polymeric stain-resist agent consisting essentially of (i) copolymers containing more than 75 weight percent methacrylic acid and less than 25 weight percent of one or more other ethylenically unsaturated monomers, or (ii) polymers prepared by polymerizing (a) methacrylic acid or (b) mixtures of methacrylic acid and one or more other ethylenically unsaturated monomers, in the presence of a sulfonated hydroxyaromatic-formaldehyde condensation product.

REFERENCES:
patent: 4081383 (1978-03-01), Warburton et al.
patent: 4794036 (1988-12-01), Tate
patent: 4822373 (1989-04-01), Olson et al.
patent: 4937123 (1990-06-01), Chang et al.

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