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    • 8. 发明公开
    • Heteroatom containing perfluoroalkyl terminated neopentyl acids and salts thereof
    • 全氟烷基硫酸盐和全氟烷基硫酸盐。
    • EP0376882A1
    • 1990-07-04
    • EP89810939.2
    • 1989-12-12
    • CIBA-GEIGY AG
    • Falk, Robert A.Clark, Kirtland P.
    • C07C323/12C07C317/18C07C323/25C07C311/09C07C219/06D06M13/252D06M13/268D06M13/438D06M13/372
    • C07C311/09C07C219/06C07C317/18C07C323/12C07C323/25D06M13/217D06M13/252D06M13/268D06M13/372D06M13/438
    • Heteroatom containing perfluoroalkyl terminated neopentyl carboxylic acids and salts thereof of the formula I
      wherein R f is a hydrophobic, oleophobic fluoroaliphatic group of up to 20 carbon atoms, E is alkylene of up to 10 carbon atoms, optionally interrupted by up to three groups includ­ing -NR-, -O-, -S-, -SO₂-, -O₂C-, -CONR-, and -SO₂NR-, X is -S-, -SO₂-, -O-, or -NR-, Y independently is hydrogen when one m is 0, or Y is a straight or branched chain alkylene, tri- or tetra-radical of up to 10 carbons, optionally interrupted by -O-, -S-, or -CH=CH-, or carbonyl-alkylene, arylene, or carbonylarylene, R is independently hydrogen, alkyl, or hydroxyalkyl of 1 to 6 carbon atoms, n is 1 to 3, m is independently 0, 1, 2, or 3 with the proviso that m cannot be 0 in both instances and M is independently hydrogen, an alkali metal, ammonium or organoammonium ion are described.
      The bis-perfluoroakyl carboxylic acids or salts thereof are useful to impart oil and water repellency to cellulosic, natural and synthetic polyamide, leather and polyester materials, and other compositions.
    • 含有全氟烷基封端的新戊基羧酸的杂原子及其式I的化合物其中R f是至多20个碳原子的疏水疏油的氟代脂族基团,E是至多10个碳原子的亚烷基,任选地被多达三个基团 包括-NR - , - O - , - S - , - SO 2 - , - O 2 C - , - CONR-和-SO 2 NR-,X是-S - , - SO 2 - , - O-或-NR-,Y 独立地是氢时,当m为0时,或Y为直链或支链亚烷基,最多10个碳原子的三或四根基团,任选被-O - , - S-或-CH = CH-中断,或 羰基 - 亚烷基,亚芳基或羰基亚芳基,R独立地为具有1至6个碳原子的氢,烷基或羟烷基,n为1至3,m独立地为0,1,2或3,条件是m不能为0 在两种情况下,M独立地是氢,描述了碱金属,铵或有机铵离子。 双 - 全氟烷基羧酸或其盐可用于赋予纤维素,天然和合成聚酰胺,皮革和聚酯材料以及其它组合物防油和防水性能。