Coating fibrous substrates with fluoropolymer amphoteric polymer

Compositions – Durable finishes for textile materials – or processes of... – Oil or water repellent or soil resistant or retardant

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252 88, 252 89, 4273899, 4273934, D06M 1510, B05D 302

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active

045955182

ABSTRACT:
Process for imparting oil- and water-repellency to fibrous substrates, particularly polypropylene upholstery fabric, which comprises applying thereto an effective amount of a composition prepared by first combining one or more fluorocarbon dispersions or polyfluoroalkyl-containing polymeric latexes containing an anionic surfactant with a nonionic surfactant having an HLB of 15.+-.3 and then with an amphoteric polymer in an amount sufficient to make the composition slightly cationic, thereby facilitating deposition of said composition to said substrate. An anionic surfactant-containing elastomeric latex may be added so as to impart abrasion resistance.

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