阅读说明：本技术 水性聚合物胶乳 (Aqueous polymer latex ) 是由 R·巴尔克 B·罗梅杰 R·弗拉齐德洛 于 2020-05-07 设计创作，主要内容包括：本发明涉及通过单体M的水性乳液聚合可获得的成膜共聚物的水性聚合物胶乳,所述单体M包含基于单体M计至少80重量％的以下单体：-至少一种非离子单体M1,其选自丙烯酸的C-(1)-C-(20)-烷基酯、丙烯酸的C-(5)-C-(20)-环烷基酯、甲基丙烯酸的C-(1)-C-(20)-烷基酯、甲基丙烯酸的C-(5)-C-(20)-环烷基酯和单乙烯基芳族单体；-一种或多种单烯键式不饱和单体M2,其选自具有3至6个碳原子的单烯键式不饱和一元羧酸和具有4至6个碳原子的单烯键式不饱和二元羧酸；其中所述聚合物胶乳包含乳化剂组合,所述乳化剂组合包含：i.至少一种第一乳化剂(1),其选自乙氧基化度为5至20的硫酸化乙氧基化C-(8)-C-(20)-链烷醇的盐和乙氧基化度为5至20的硫酸化乙氧基化三苯乙烯基苯酚的盐,特别是碱金属盐和铵盐,和ii.至少一种第二乳化剂(2),其选自乙氧基化度为21至50的硫酸化乙氧基化C-(8)-C-(20)-链烷醇的盐和乙氧基化度为21至50的硫酸化乙氧基化三苯乙烯基苯酚的盐,特别是碱金属盐和铵盐。本发明还涉及制备所述聚合物胶乳的方法,以及这些聚合物胶乳作为基料在含有至少一种无机单宁封闭化合物的水性涂料组合物中的用途,以及所述涂料组合物用于涂覆含单宁的基材(例如木材或木基材料)的用途。(The invention relates to an aqueous polymer latex of a film-forming copolymer obtainable by aqueous emulsion polymerization of a monomer M comprising at least 80% by weight, based on the monomer M, of the following monomers: at least one non-ionic monomer M1 chosen from C of acrylic acid 1 ‑C 20 Alkyl esters, acrylic acid C 5 ‑C 20 C of cycloalkyl esters, methacrylic acid 1 ‑C 20 Alkyl esters, methacrylic acid C 5 ‑C 20 -cycloalkyl esters and monovinylaromatic monomers; -one or more monoethylenically unsaturated monomers M2 selected from monoethylenically unsaturated monocarboxylic acids having 3 to 6 carbon atoms and monoethylenically unsaturated dicarboxylic acids having 4 to 6 carbon atoms; wherein the polymer latex comprises an emulsifier combination comprising: i. at least one first emulsifier (1) selected from sulfated ethoxylated C's having a degree of ethoxylation of from 5 to 20 8 ‑C 20 A salt of an alkanol and a salt, in particular an alkali metal salt and an ammonium salt, of a sulfated ethoxylated tristyrylphenol having a degree of ethoxylation of from 5 to 20, and ii at least one second emulsifier (2) selected from sulfated ethoxylated C's having a degree of ethoxylation of from 21 to 50 8 ‑C 20 -salts of alkanols and salts, in particular alkali metal salts and ammonium salts, of sulfated ethoxylated tristyrylphenols having a degree of ethoxylation of from 21 to 50. The invention also relates to a method for producing said polymer latices, to the use of said polymer latices as binders in aqueous coating compositions containing at least one inorganic tannin-blocking compound, and to the use of said coating compositions for coating tannin-containing substrates, such as wood or wood-based materials.)