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    • 4. 发明申请
    • Aqueous coating composition
    • 水性涂​​料组合物
    • US20070100067A1
    • 2007-05-03
    • US11487776
    • 2006-07-17
    • David FennAndrew French
    • David FennAndrew French
    • C08G18/08
    • C08G18/6254C08G18/0823C08G18/725C09D175/04
    • There is disclosed a three component coating composition comprising; (i) a first component containing at least one acrylic polyol having a carboxyl group content of 0.035 to 2.0 moles/kg, said acrylic polymer being dissolved in volatile organic solvent, (ii) a second component containing a polyisocyanate, and (iii) a third component containing water, at least one of said components also including a base, the base being present in an amount capable of neutralising 0.035 to 0.2 moles of carboxyl groups per kilogram of polyol, the composition being essentially free from other hydrophilizing groups or components. There is also disclosed a method of preparing a coating composition, which comprises mixing the first component, second component and third component shortly before application. There is also disclosed a coated article obtainable by a process therefrom
    • 公开了一种三组分涂料组合物,其包含: (i)含有至少一种羧基含量为0.035〜2.0摩尔/ kg的丙烯酸多元醇的第一成分,所述丙烯酸类聚合物溶解于挥发性有机溶剂中,(ii)含有多异氰酸酯的第二成分,(iii) 第三成分含有水,所述成分中的至少一种也包括碱,所述碱以可以每千克多元醇中和0.035至0.2摩尔羧基的量存在,所述组合物基本上不含其它亲水基团或组分。 还公开了一种制备涂料组合物的方法,其包括在施用前不久混合第一组分,第二组分和第三组分。 还公开了可通过其工艺获得的涂覆制品