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    • 9. 发明申请
    • AQUEOUS COATING COMPOSITION AND PROCESS OF MAKING THE SAME
    • 水性涂​​料组合物及其制备方法
    • WO2016095200A1
    • 2016-06-23
    • PCT/CN2014/094343
    • 2014-12-19
    • DOW GLOBAL TECHNOLOGIES LLCWU, YanXU, YaweiYANG, Xiaohong
    • WU, YanXU, YaweiYANG, Xiaohong
    • C09D133/00C09D7/12
    • C09D7/63C08F265/06C08K5/06C09D5/024C09D5/028C09D7/62C09D133/12C09D151/00C08F220/14C08F220/06C08F220/58C08F230/02
    • An aqueous coating composition comprising, based on the total solids weight of the aqueous coating composition, (a) an aqueous acrylic polymer dispersion present in an amount of from 10% to 90% by solids weight; (b) anionic colloidal silica present in an amount of from 0.1% to 4.3% by solids weight; (c) a solvent present in an amount of from 0.1% to 7% by weight, wherein the solvent has the following structure: R j- (OR 2) n-OH, wherein R 1 is a saturated hydrocarbon group having from 1 to 6 carbon atoms, R 2 is -CH 2CH 2- or -CH 2CH (CH 3)-; and n is an integer from 1 to 4 when R 2 has the structure of -CH 2CH 2-, or n is an integer from 2 to 4 when R 2 has the structure of -CH 2CH (CH 3)-; (d) ammonia present in an amount of from 0.55% to 4.2% by weight; (e) an amine compound present in an amount less than 1.2% by weight; and (f) titanium dioxide. The aqueous coating composition can capable of providing coating films with balanced properties of low gloss and good stain resistance.
    • 一种水性涂料组合物,其包含基于水性涂料组合物的总固体重量,(a)以固体重量计为10%至90%的量的丙烯酸聚合物水分散体; (b)以固体重量计0.1%至4.3%的阴离子胶体二氧化硅; (c)存在量为0.1%至7%重量的溶剂,其中溶剂具有以下结构:R j-(OR 2)n -OH,其中R 1为饱和烃基,其具有1至 6个碳原子,R 2是-CH 2 CH 2 - 或-CH 2 CH(CH 3) - ; 当R 2具有-CH 2 CH 2结构时,n为1〜4的整数,或者,R 2为-CH 2 CH(CH 3) - 的结构时,n为2〜4的整数。 (d)以0.55重量%至4.2重量%的量存在的氨; (e)以小于1.2重量%的量存在的胺化合物; 和(f)二氧化钛。 水性涂​​料组合物能够提供具有低光泽和良好耐污性的平衡性能的涂膜。