Abstract: Oil- and water-repellent papers are treated on the surface or in the pulp of the papers with fluorine-containing copolymers ofa) acrylates containing perfluoroalkyl groups, of the formulaCH.sub.2 .dbd.CR.sup.1 --COO--X--C.sub.n F.sub.2n+1 (I),b) monomers of the formulaCH.sub.2 .dbd.CR.sup.2 --COO--R.sup.3 (II),c) monomers of the formulaCH.sub.2 .dbd.CR.sup.4 --COO--(CH.sub.2 CH.sub.2 O).sub.m --R.sup.5 (III),d) monomers of the formulaCH.sub.2 .dbd.CR.sup.6 --COO--CH.sub.2 CH.sub.2 --N(R.sup.7,R.sup.8) (IVa)or, in salt-like form, of the formula[CH.sub.2 .dbd.CR.sup.6 --COO--CH.sub.2 CH.sub.2 --N(R.sup.7,R.sup.8,R.sup.9)].sup..sym. Y.sup..crclbar. (IVb)or, in N-oxidized form, of the formula ##STR1## and e) monomers of the formulaCH.sub.2 .dbd.CR.sup.10 CONHR.sup.

Abstract: Finishers for texthes, leather, paper and mineral substrates consisting of fluorine-containing copolymers and aqueous dispersions prepared therefrom are characterized by the following percentages by weight of the comonomers, relative to the total weight of the copolymers:a) 60 to 90% by weight of perfluoroalkyl-containing (meth)acrylates of the formulaC.sub.n F.sub.2n+1 --X--0--CO--CR.sup.1 .dbd.CH.sub.2 (I),b) 1 to 35% by weight of monomers of the formulaCH.sub.2 .dbd.CR.sup.4 --COO--R.sup.5 (II)and/or styrene, acrylonitrile, vinyl acetate or vinyl propionate,c) 4 to 25% by weight of monomers of the formula ##STR1## d) 1 to 15% by weight of monomers of the formulaCH.sub.2 .dbd.CR.sup.11 --COOCH.sub.2 CH.sub.2 --N(R.sup.9,R.sup.10)(IVa)or[CH.sub.2 .dbd.CR.sup.11 --COO--CH.sub.2 CH.sub.2 --N(R.sup.9,R.sup.10,R.sup.12)].sup..sym. Y.sup..crclbar.

Abstract: Textiles can be finished in a wash- and cleaning-resistant manner by impregnation if aqueous dispersions are employed for this purpose which contain reactive copolymers and/or cocondensates having perfluoroalkyl groups and water-dispersible polyisocyanate mixtures whose NCO groups are not blocked.

Abstract: Finishing agents for textiles, leather, paper and mineral substrates of the type mentioned in the title and the aqueous dispersions prepared therefrom are characterized by the following percentages by weight of the comonomers, relative to the total weight of the copolymers:a) 45-75% by weight of (meth)acrylates containing perfluoroalkyl groups, of the formulaC.sub.n F.sub.2n+1 --X--OCO--CR.sup.1 .dbd.CH.sub.2 (I)b) 10-50% of monomers of the formulaeCH.sub.2 .dbd.CH--CO--OR.sup.4 (IIa)and/orCH.sub.2 .dbd.C(CH.sub.3)--CO--OR.sup.12 (IIb)c) 4-30% of monomers of the formula ##STR1## d) 1-15% of monomers of the formula ##STR2## The monomers in b) can be replaced completely or partially by monomers from the group consisting of styrene, acrylonitrile, vinyl acetate, vinyl propionate and methyl methacrylate. The substituents have the meaning given in the description.