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    • 9. 发明授权
    • Fluorinated polyurethane composition
    • 氟化聚氨酯组合物
    • US08318869B2
    • 2012-11-27
    • US12599909
    • 2008-05-13
    • Antonio RussoPiero GavezottiMichael Quallo
    • Antonio RussoPiero GavezottiMichael Quallo
    • C08G18/08
    • C08G18/0814C08G18/0823C08G18/3206C08G18/3819C08G18/3893C08G18/5015C08G18/755C08G18/80C08L33/16D06M15/277D06M15/576D06M2200/01D06M2200/10D06M2200/11D06M2200/12C08L75/04C08L2666/06
    • A composition useful for imparting durable stain repellence and soil release properties to textile substrates, a method for treating textile substrates using such composition, and the textile substrates obtained therefrom. The composition comprises: (A) at least one fluorinated ionisable polyurethane polymer (PUR) being free from perfluoroalkyl chains and comprising at least one fluorinated block comprising a fluoropolyoxyalkene chain, and at least one functional block comprising an hydrocarbon chain (RHC) having from 2 to 14 carbon atoms, said chain (RHC) comprising at least one ionisable group, said blocks being linked by urethane moieties of formula (I), wherein E is a divalent hydrocarbon carbon group; (B) at least one fluorocarbon polymer (F) comprising at least one perfluoroalkyl chain (Rf) linked by one or more ester moiety of formula (II) and/or urethane moiety of formula (III) and/or urea moiety of formula (IV); and (C) at least one crosslinking agent.
    • 用于赋予织物基材持久的防污性和去污性的组合物,使用这种组合物处理织物基材的方法以及由其获得的织物基材。 所述组合物包含:(A)至少一种不含全氟烷基链的氟化可电离聚氨酯聚合物(PUR),并且包含至少一个含氟聚氧亚烷基链的氟化嵌段和至少一个包含烃链(RHC)的官能团,所述烃链具有2 所述链(RHC)包含至少一个可离子化基团,所述嵌段通过式(I)的氨基甲酸酯部分连接,其中E是二价烃碳基团; (B)至少一种氟碳聚合物(F),其包含由一种或多种式(II)的酯部分和/或式(III)的氨基甲酸酯部分和/或式(III)的脲部分连接的至少一个全氟烷基链(Rf) IV); 和(C)至少一种交联剂。