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    • 9. 发明授权
    • Aqueous binders for coatings with improved gloss
    • 用于具有改善光泽度的涂层的水性粘合剂
    • US08546479B2
    • 2013-10-01
    • US12293091
    • 2007-03-04
    • Johann BillianiKarl RossmannRami-Raimund AwadThomas FraydlIngo Kriessmann
    • Johann BillianiKarl RossmannRami-Raimund AwadThomas FraydlIngo Kriessmann
    • C08G18/67
    • C09D133/066C08F212/08C08F220/06C08F220/18
    • A water-reducible mixture of (meth)acrylic copolymers having a hydroxyl number of from 40 mg/g to 250 mg/g, an acid number of from 15 mg/g to 80 mg/g, a weight average molar mass Mw from 9 kg/mol to 40 kg/mol and a glass transition temperature Tg from −40° C. to 80° C., based on polymerised monomers comprising at least one alkyl ester A of an olefinically un-saturated carboxylic acid having from 1 to 8 carbon atoms in the alkyl group, at least one hydroxy functional alkyl ester B of an olefinically unsaturated carboxylic acid, at least one aliphatic compound C that has both hydroxy and carboxyl functionalities, or which is a lactone or a cyclic lactone, at least one vinyl monomer D which does not comprise a moiety derived from an olefinically unsaturated carboxylic acid, at least one olefinically unsaturated carboxylic acid E, a process for its preparation, and a method of use thereof in the preparation of paints.
    • 具有羟值为40mg / g至250mg / g,酸值为15mg / g至80mg / g,重量平均摩尔质量Mw为9的(甲基)丙烯酸共聚物的水可稀释混合物 kg / mol至40kg / mol,玻璃化转变温度Tg为-40℃至80℃,基于包含至少一种具有1至8个的烯属不饱和羧酸的烷基酯A的聚合单体 烷基中的碳原子,烯属不饱和羧酸的至少一种羟基官能的烷基酯B,至少一种具有羟基和羧基官能团的脂肪族化合物C,或者是内酯或环状内酯,至少一种乙烯基 单体D,其不包含衍生自烯属不饱和羧酸的部分,至少一种烯属不饱和羧酸E,其制备方法及其在制备涂料中的用途。