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    • 9. 发明申请
    • REPELLENT MATERIALS
    • 材料
    • WO2007019263A1
    • 2007-02-15
    • PCT/US2006/030354
    • 2006-08-03
    • 3M INNOVATIVE PROPERTIES COMPANY
    • BURLEIGH, Malcolm B.CARLSON, James G.BECKHAM, Aran
    • C08G18/28D06M15/576
    • C08G18/2885C08G18/0866C08G18/10C08G18/2825C08G18/283C08G18/792D06M15/576
    • Urethane compositions comprising (a) a first fluorochemical urethane polymer or oligomer comprising the reaction product of (1) one or more polyisocyanates and (2) one or more fluoroalcohols, and optionally (3) one or more other isocyanate-reactive materials, wherein the ratio of isocyanate to isocyanate-reactive groups is about 1 or less, i.e., Part A, and (b) a second urethane polymer or oligomer comprising the reaction product of (1) one or more diisocyanates, and (2) water, and optionally (3) one or more other isocyanate-reactive groups, wherein about 5 to about 95 mole percent of the isocyanate groups of the diisocyanate are reacted with the water, i.e., Part B, for imparting durable repellency to substrates.
    • 包括(a)第一含氟化学氨基甲酸酯聚合物或低聚物,其包含(1)一种或多种多异氰酸酯和(2)一种或多种氟代醇的反应产物和任选的(3)一种或多种其它异氰酸酯反应性材料的反应产物,其中 异氰酸酯与异氰酸酯反应性基团的比例为约1或更小,即部分A,和(b)包含(1)一种或多种二异氰酸酯的反应产物和(2)水的任选的第二聚氨酯聚合物或低聚物 (3)一种或多种其它异氰酸酯反应性基团,其中约5至约95摩尔%的二异氰酸酯的异氰酸酯基团与水(即B部分)反应,以赋予基材持久的拒斥性。