公开(公告)号：US4775488A

公开(公告)日：1988-10-04

申请号：US850592

申请日：1986-04-11

申请人： Karl Hintermeier ,  Heinrich Bathelt ,  Frank Wehowsky ,  Hans Wagener ,  Manfred Seidel ,  Manfred Muller ,  Klaus Kaschub

发明人： Karl Hintermeier ,  Heinrich Bathelt ,  Frank Wehowsky ,  Hans Wagener ,  Manfred Seidel ,  Manfred Muller ,  Klaus Kaschub

IPC分类号： B01J13/00 ,  B01F17/22 ,  B01F17/42 ,  C09K3/18 ,  D06M13/02 ,  D06M13/144 ,  D06M13/165 ,  D06M13/322 ,  D06M13/325 ,  D06M13/335 ,  D06M13/402 ,  D06M13/408 ,  D06M13/428 ,  D06M13/00

CPC分类号： D06M13/428

摘要： 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%.

摘要翻译： 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％。