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    • 78. 发明申请
    • Hydrophilic stain release agents
    • 亲水性脱色剂
    • US20070256248A1
    • 2007-11-08
    • US11429813
    • 2006-05-08
    • Ying WangTimothy HopkinsJustine Franchina
    • Ying WangTimothy HopkinsJustine Franchina
    • C11D3/00
    • C11D3/323C08G18/283C08G18/2885C08G18/7831C09D175/04C11D3/3726D06M15/576
    • A composition comprising a self-emulsifiable or self-dispersible aqueous solution or dispersion of at least one urea linkage-containing alkoxypolyoxyalkylene fluorocarbamate prepared by contacting (a) at least one polyisocyanate which contains at least three isocyanate groups per molecule, (b) at least one fluorochemical reagent of the formula F(CF2)aCH2CH2OH, wherein a is 4, 6, or 8, or mixtures thereof, provided that a is a maximum of 50% of 8, and (c) at least one hydrophilic, water-solvatable reagent which contains per molecule a single functional group which has at least one reactive Zerewitinoff hydrogen atom, said hydrophilic, and thereafter with (d) water, the equivalent weight of said polyisocyanate and said reagents (b) and (c) being such that said reagents react with 55% to 95% of said isocyanate groups, and water reacts with all of the remaining isocyanate groups, said composition imparting durable hydrophilicity and stain release properties to a substrate treated therewith is disclosed.
    • 一种组合物,其包含至少一种含脲键的烷氧基聚氧化烯氟代氨基甲酸酯的自乳化或自分散水溶液或分散体,其通过使(a)至少一种每分子含有至少三个异氰酸酯基团的多异氰酸酯(b)至少 一种氟化学试剂,其分子式为F(CF 2)2 CH 2 CH 2 OH,其中a为4 ,6或8,或其混合物,条件是a最大为8的50%,和(c)至少一种亲水性水溶性试剂,其每分子含有单个官能团,其具有至少一个反应性Zerewitinoff 氢原子,所述亲水性,然后用(d)水,所述多异氰酸酯和所述试剂(b)和(c)的当量使所述试剂与55%至95%的所述异氰酸酯基团反应,水反应 与所有剩余的异氰酸酯基团,所述组合物赋予持久的亲水性和污渍释放 公开了对其处理的基材的性质。