Emulsions are disclosed which contain (a) an aqueous carrier and (b) a polymer mixture of (1) 40-99.5 % by weight of a copolymer with a weight average molecular weight of at least 3000; and (2) 0.5-60 % by weight of a stabilizing copolymer dispersed in water, wherein the stabilizing copolymer comprises a structured polymer having a hydrophobic portion and a hydrophilic portion, wherein said structured polymer is selected from the group consisting of (i) polymers comprising 5-95% by weight of a hydrophilic macromonomer having at least 10% of an acid functional monomer and 5-95% by weight of at least one hydrophobic monomer polymerized in the presence of the macromonomer; and (ii) polymers comprising 5-95% by weight of a hydrophobic macromonomer and 5-95% by weight of hydrophilic copolymer comprising at least 10% of an acid functional monomer polymerized in the presence of the macromonomer.
本发明公开了一种乳液,它含有 (a)
水性载体和 (b) 聚合物混合物,其中 (1) 40-99.5% (重量百分比)的共聚物,其重量平均分子量至少为 3000;和 (2) 0.5-60%(重量)分散在
水中的稳定共聚物,其中稳定共聚物包括具有疏
水部分和亲
水部分的结构化聚合物,所述结构化聚合物选自以下组别:(i) 5-95%(重量)亲
水大单体(具有至少 10%的酸官能团单体)和 5-95%(重量)至少一种疏
水单体在大单体存在下聚合而成的聚合物,以及 (ii) 5-95%(重量)亲
水大单体(具有至少 10%的酸官能团单体)和 5-95%(重量)至少一种疏
水单体在大单体存在下聚合而成的聚合物;和 (ii) 聚合物,包括 5-95%(重量)的疏
水大单体和 5-95%(重量)的亲
水共聚物,亲
水共聚物包含至少 10%的酸官能团单体,在大单体存在下聚合。