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    • 19. 发明公开
    • AQUEOUS COATING COMPOSITIONS
    • 水性涂​​料组合物
    • EP2782968A1
    • 2014-10-01
    • EP12766654.3
    • 2012-09-30
    • ALLNEX AUSTRIA GmbH
    • BILLIANI, JohannFÜRPASS, Gottfried
    • C09D133/02C09D133/06
    • C09D133/066
    • The invention relates to an aqueous coating composition comprising a dispersion of an acrylic copolymer A, a crosslinker B which is a multifunctional isocyanate B1, or an aminoplast crosslinker B2 or a combination of both B1 and B2, and water, wherein the acrylic copolymer A has moieties derived from alkyl(meth)acrylates A1, from hydroxyalkyl(meth)acrylates A2, from olefinically unsaturated carboxylic acids A3, and optionally, further olefinically unsaturated monomers A4 selected from the group consisting of vinyl aromatics A41, vinyl esters A42, vinyl halogenides A43, olefinically unsaturated amides A44, olefins A45, and from an olefinically unsaturated surface-active molecule A5 which has at least one olefinic unsaturation, and at least one acid group which may preferably be a carboxylic or a sulphonic or a phosphonic acid group, or a combination of these, a method for its preparation, and the use thereof in coating metal substrates, stone, concrete, paper and cardboard.
    • 本发明涉及包含丙烯酸共聚物A,为多官能异氰酸酯B1的交联剂B或氨基塑料交联剂B2或B1和B2的组合以及水的分散体的水性涂料组合物,其中丙烯酸共聚物A具有 衍生自(甲基)丙烯酸烷基酯A1,衍生自(甲基)丙烯酸羟烷基酯A2,衍生自烯属不饱和羧酸A3的部分和任选地选自乙烯基芳族化合物A41,乙烯基酯A42,乙烯基卤化物A43 ,烯属不饱和酰胺A44,烯烃A45,乙烯基酯A46和来自每分子具有至少一个烯属不饱和度和至少一个亲水基团的烯属不饱和表面活性化合物A5,其制备方法及其用途 用于涂覆金属基材,石材,混凝土,纸张和纸板。