Agent for the treatment of fibre materials

Claim 1

An agent for treating fibre materials, which comprises at least two components A) and B) in a weight ratio range of A):B) of from 30:70 to 70:30, of which component A) is an aqueous dispersion which comprises the following constituents a), b) and c): a) from 15 to 25 parts by weight of a copolymer consisting essentially of the following monomers: from 50 to 60% by weight of a perfluoroalkylethyl acrylate or perfluoroalkylethyl methacrylate, from 2 to 10% by weight of vinyl chloride, from 30 to 40% by weight of a fluorine-free alkyl acrylate or methacrylate having an alkyl chain of from 10 to 18 carbon atoms, b) from 1 to 2 parts by weight of an ethoxylated alkylphenol having an alkyl chain length of from 4 to 12 carbon atoms and a degree of ethoxylation of from 6 to 20, c) from 55 to 75 parts by weight of water, and component B) is either an aqueous dispersion B 1) which comprises the following constituents d, e and f: d) from 15 to 20 parts by weight of a copolymer consisting essentially of the following monomers: 40-75% by weight of fluorine-containing acrylates of the formula CF.sub.3 --CF.sub.2 --(CF.sub.2).sub.k --CH.sub.2 --CH.sub.2 --OCO--CH═CH.sub.2 where k is from 1 to 12, from 10 to 35% by weight of vinylidene chloride, from 10 to 25% by weight of an alkyl acrylate or alkyl methacrylate having an alkyl chain of from 2 to 18 carbon atoms, e) 1-2 parts by weight of a mixture of ethoxylated fatty acids, the fatty acids having from 8 to 18 carbon atoms and the degree of ethoxylation being from 6 to 20, f) from 65 to 80 parts by weight of water, or component B is an aqueous dispersion B2) which comprises the following constituents g) to k): g) from 2 to 10 parts by weight of an oxime-blocked isocyanate, h) from 10 to 40 parts by of an oligo- or polyurethane whose diol-derived units contain substituents having perfluoroaliphatic groups, i) from 0.5 to 10 parts by weight, of an ethoxylated fatty amine or of the salt formed between the ethoxylated fatty amine and an aliphatic monocarboxylic acid of from 2 to 4 carbon atoms, k) from 40 to 90 parts by weight of water.