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    • 4. 发明申请
    • AQUEOUS BINDER SYSTEMS AND THEIR USE IN PRODUCING COATING COMPOSITIONS
    • 水性粘合剂体系及其在生产涂料组合物中的应用
    • WO2013072769A1
    • 2013-05-23
    • PCT/IB2012/002859
    • 2012-11-13
    • CELANESE EMULSIONS GMBH
    • DELLER, ChristophFICHTNER, ThomasKRIEGER, StephanRATERING, Marc
    • C09D133/00C09D143/00
    • C09D143/04C08L2201/54
    • An aqueous binder mixture comprises colloidal silica; an aqueous copolymer dispersion and an alkoxy-substituted polysiloxane. The aqueous copolymer dispersion is prepared by emulsion polymerization of a monomer mixture comprising (i) at least 40% by weight, based on the total amount of monomers, of at least one of an ester of an ethylenically unsaturated carboxylic acid, a vinyl ester of an saturated carboxylic acid, and a vinylaromatic monomer; (ii) from 0.1 to 10% by weight, based on the total amount of monomers, of at least one of an ethylenically unsaturated mono- and/or dicarboxylic acid, an ethylenically unsaturated sulfonic acid, an unsaturated phosphoric acid, an ethylenically unsaturated phosphonic acid, and an amide of an ethylenically unsaturated mono- and/or dicarboxylic acid; and (iii) from 0.5 to 15% by weight, based on the total amount of monomers, of an ethylenically unsaturated monomer having at least one alkoxysilyl group.
    • 水性粘合剂混合物包含胶体二氧化硅; 水性共聚物分散体和烷氧基取代的聚硅氧烷。 水性共聚物分散体通过单体混合物的乳液聚合制备,所述单体混合物包含(i)基于单体总量的至少40重量%的至少一种烯属不饱和羧酸的酯,乙烯基酯的乙烯基酯 饱和羧酸和乙烯基芳族单体; (ii)0.1至10重量%,基于单体的总量,至少一种烯键式不饱和单 - 和/或二羧酸,烯属不饱和磺酸,不饱和磷酸,烯属不饱和膦酸 酸和烯属不饱和单 - 和/或二羧酸的酰胺; 和(iii)基于单体总量的0.5至15重量%的具有至少一个烷氧基甲硅烷基的烯属不饱和单体。