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    • 4. 发明授权
    • Water and oil repellent composition
    • 防水防油组成
    • US06716944B2
    • 2004-04-06
    • US10317991
    • 2002-12-13
    • Takashige MaekawaMinako ShimadaShuichiro SugimotoRyuji Seki
    • Takashige MaekawaMinako ShimadaShuichiro SugimotoRyuji Seki
    • C08F11800
    • C09K3/18
    • A water and oil repellent composition which can impart an excellent water and oil repellency to an object, even if it is processed at a low temperature, and which can achieve a water and oil repellent treatment providing a soft hand. The water and oil repellent composition which has as an essential component a copolymer consisting essentially of polymerized units of the following monomer (a) and polymerized units of the following monomer (b). monomer (a): an Rf monomer wherein the melting point of fine crystals derived from the Rf groups of the homopolymer does not exist or is at most 50° C. monomer (b): a monomer having no Rf group, wherein the melting point of fine crystals derived from the side chains of the homopolymer is at least 30° C.
    • 即使在低温下进行处理也能够使物品具有优异的拒水拒油性的斥水斥油剂组合物,能够实现提供软手的拒水拒油处理。 具有以下单体(a)的聚合单元和以下单体(b)单体的聚合单元共聚物作为基本组分的斥水斥油剂组合物。单体(a):R f单体,其中 衍生自均聚物的R f基团的细晶体的熔点不存在或至多为50℃。单体(b):不具有R f基团的单体,其中衍生的细晶体的熔点 来自均聚物的侧链为至少30℃