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    • 67. 发明申请
    • POLYURETHANE COATING
    • 聚氨酯涂料
    • US20070261602A1
    • 2007-11-15
    • US11828399
    • 2007-07-26
    • Jozef VerborgtArthur Webb
    • Jozef VerborgtArthur Webb
    • C08G71/04B05D1/02
    • C07C217/28C07C217/30C08G18/3271C08G18/3284C09D175/04
    • A polyurethane coating made by: applying to a surface a polyol composition and an isocyanate composition, such that a mixture of the polyol composition and the isocyanate composition is formed during the application; and allowing the mixture to cure to the polyurethane coating. The polyol composition has a polyol monomer having the chemical formula: R1 is a divalent radical selected from aliphatic, aromatic, and ether-containing group. R2 is a monovalent radical selected from aliphatic, aromatic, ester-containing group, ether-containing group, and acrylic-containing group. R2 is free of —O—CH2—CH(OH)— groups, and the polyol monomer is free of epoxy groups and amino hydrogens. The isocyanate composition comprises an isocyanate compound having at least two isocyanate groups. The polyol composition or the isocyanate composition comprises a water scavenger. The polyol composition or the isocyanate composition comprises a polyurethane catalyst.
    • 一种聚氨酯涂层,其通过以下方式制备:将多元醇组合物和异氰酸酯组合物施用于表面,使得在施用期间形成多元醇组合物和异氰酸酯组合物的混合物; 并使混合物固化至聚氨酯涂层。 多元醇组合物具有以下化学式的多元醇单体:R 1是选自脂族,芳族和含醚基团的二价基团。 R 2是选自脂族,芳族,含酯基团,含醚基团和含丙烯酸基团的一价基团。 R 2不含-O-CH 2 -CH(OH) - 基团,多元醇单体不含环氧基和氨基氢。 异氰酸酯组合物包含具有至少两个异氰酸酯基团的异氰酸酯化合物。 多元醇组合物或异氰酸酯组合物包含除水剂。 多元醇组合物或异氰酸酯组合物包含聚氨酯催化剂。