Copolymers and oil- and water-repellent compositions containing them

The invention relates to any of the waterrepellent agent and oil and agent copolymer, which can be combined with other textiles material and without generating and. According to copolymer of the invention comprises a) containing one of aliphatic group; kit(b) (methyl) acrylic ester 18; (c) containing the compound; And (d) monomer, selected from ester functional radicals or more of the acid functional group selected. The invention further relates and metal substrate is the thready with the water resistance and oil composition, wherein the composite comprises the copolymer and catalyst, if sodium hypophosphite, is from copolymer of the anhydride and acid monomer. The copolymer is optionally further comprises other additive, for example poly (acrylic acid), extender, softener, antioxidant, a surfactant and/or plasticizer.