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    • 89. 发明授权
    • Aqueous dispersions of fluorine-containing polymers
    • 含氟聚合物的均匀分散体
    • US5240990A
    • 1993-08-31
    • US746105
    • 1991-08-15
    • Dietmar KallfassDieter LammermannBernhard MeesGunter Prossel
    • Dietmar KallfassDieter LammermannBernhard MeesGunter Prossel
    • C08K5/32C08F220/22C08K5/17C08L25/00C08L25/08C08L33/04C08L33/16D06M13/02D06M13/322D06M13/388D06M15/277
    • D06M15/277C08F220/22
    • Aqueous dispersions of fluorine-containing polymersThe aqueous solvent-free dispersions contain polymers of monomers of the formulae (1) and (2)H.sub.2 C.dbd.CR--COOC.sub.2 H.sub.4 --C.sub.n F.sub.2n+1 (1)where R is fluorine, chlorine, hydrogen or methyl and n is from 5 to 18,H.sub.2 C.dbd.CRX (2)where R is hydrogen or methyl and X is a group of the formula C.sub.6 H.sub.5, CO.sub.2 CH.sub.2 C.sub.6 H.sub.5, CO.sub.2 C.sub.2 H.sub.4 C.sub.6 H.sub.5, CN, CO.sub.2 CH.sub.2 C.sub.6 H.sub.4 Cl, CO.sub.2 C.sub.6 H.sub.4 --C.sub.1 --C.sub.4 --alkyl, CO.sub.2 C.sub.2 H.sub.2n+1, where n is from 10 to 22, CONHY, where Y is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -hydroxyalkyl, C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.4 -alkyl or CO.sub.2 -C.sub.1 -C.sub.20 -alkyl, and one or more emulsifiers of the formula (3)C.sub.n F.sub.2n+1 --CR.sup.1 R.sup.2 --CHR.sup.3 --(CH.sub.2).sub.x --NR.sub.2 O (3)where R is C.sub.1 -C.sub.4 -alkyl or hydroxyethyl R.sup.1 and R.sup.2 are identical or different and each is C.sub.1 -C.sub.4 -alkyl, hydrogen or fluorine, R.sup.3 is hydrogen or C.sub.1 -C.sub.4 -alkyl, x is 1, 2 or 3 and n is from 3 to 9, and/or of the formula (4)R.sup.1 R.sup.2 R.sup.3 NO (4)where R.sup.1 and R.sup.2 are identical or different and each is C.sub.1 -C.sub.4 -alkyl or hydrogen and R.sup.3 is C.sub.8 -C.sub.18 -alkyl.The dispersions are used as water and oil repellants for textiles.
    • 含氟聚合物的水分散体含水无溶剂的分散体含有式(1)和(2)单体的聚合物:H2C = CR-COOC2H4-CnF2n + 1(1)其中R是氟,氯,氢或甲基, n为5至18,H2C = CRX(2)其中R为氢或甲基,X为式C6H5,CO2CH2C6H5,CO2C2H4C6H5,CN,CO2CH2C6H4Cl,CO2C6H4-C1-C4烷基,CO2C2H2n + 1的基团,其中 n为10至22,CONHY,其中Y为氢,C 1 -C 4 - 烷基,C 1 -C 4 - 羟基烷基,C 1 -C 4 - 烷氧基-C 1 -C 4烷基或CO 2 -C 1 -C 20 - 烷基,以及一个或多个 式(3)CnF2n + 1-CR1R2-CHR3-(CH2)x-NR2O(3)的乳化剂其中R是C1-C4-烷基或羟乙基R1和R2相同或不同,并且各自为C1-C4-烷基, 氢或氟,R3是氢或C1-C4烷基,x是1,2或3,n是3到9,和/或式(4)R1R2R3NO(4)其中R1和R2是相同或不同的 并且各自为C 1 -C 4 - 烷基或氢,且R 3为C 8 -C 18 - 烷基。 分散体用作纺织品的拒水拒油剂。