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    • 1. 发明授权
    • Aqueous anionic dispersion
    • 水性阴离子分散体
    • US4775488A
    • 1988-10-04
    • US850592
    • 1986-04-11
    • Karl HintermeierHeinrich BatheltFrank WehowskyHans WagenerManfred SeidelManfred MullerKlaus Kaschub
    • Karl HintermeierHeinrich BatheltFrank WehowskyHans WagenerManfred SeidelManfred MullerKlaus Kaschub
    • B01J13/00B01F17/22B01F17/42C09K3/18D06M13/02D06M13/144D06M13/165D06M13/322D06M13/325D06M13/335D06M13/402D06M13/408D06M13/428D06M13/00
    • D06M13/428
    • An agent effective for oleophobizing and hydrophobizing textiles is an aqueous anionic dispersion which comprises water and(A) 5 to 25% by weight of a reaction product which contains at least one bis-(2-fluoroalkyl-ethoxy-carbonylamino)-toluene of the formula ##STR1## wherein n is a number from 5 to 15 and Y is --H or --F, and wherein said reaction product is prepared by reacting 2-perfluoroalkylethanol of the formulaYCF.sub.2 --(CF.sub.2).sub.n --CH.sub.2 CH.sub.2 OH with tolylene diisocyanate in a molar ratio of (1.8 to 2):1 in the presence of 2 to 5% by weight of N-methylpyrrolidone, relative to the perfluoroalkylethanol,(B) 1 to 14% by weight of at least one emulsifier of the formulaYCF.sub.2 (CF.sub.2).sub.p --CH.sub.2 CH.sub.2 O--CO--NH--CH.sub.2 CH.sub.2 --SSO.sub.3 X wherein p is a number from 5 to 15, Y is --H or --F, and X is a monovalent cation,(C) 1 to 14% by weight of at least one nonionic emulsifier of the formulaYCF.sub.2 --(CF.sub.2).sub.q --CH.sub.2 CH.sub.2 --(OCH.sub.2 CH.sub.2).sub.r --OH wherein Y is --H or --F, q is a number from 5 to 15, r is a number from 0 to 10, and(D) 5 to 30% by weight of a solvent or solvent mixture, with the proviso that the sum of the amounts of components (B) and (C) is 2 to 15%.
    • 用于疏油和疏水化纺织品的试剂是水性阴离子分散体,其包含水和(A)5至25重量%的反应产物,其含有至少一种双(2-氟烷基 - 乙氧基 - 羰基氨基) - 甲苯 其中n为5至15的数,Y为-H或-F,并且其中所述反应产物通过使式YCF2-(CF2)n的2-全氟烷基乙醇反应来制备,其中所述反应产物是通过使式YCF2(CF2)nCH2CH2OCO + -CH 2 CH 2 OH与甲苯二异氰酸酯的摩尔比为(1.8至2):1,相对于全氟烷基乙醇为2至5重量%的N-甲基吡咯烷酮,(B)1至14重量%的至少一种 式中YCF2(CF2)p-CH2CH2O-CO-NH-CH2CH2-SSO3X的乳化剂,其中p为5至15的数,Y为-H或-F,X为单价阳离子,(C)1至14 重量%的至少一种式YCF2-(CF2)q-CH2CH2-(OCH2CH2)r-OH的非离子乳化剂,其中Y为-H或-F,q为5至15的数,r为 0〜10,( D)5至30重量%的溶剂或溶剂混合物,条件是组分(B)和(C)的量的总和为2至15%。