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    • 2. 发明授权
    • Water-dilutable lacquer binders based upon alkyd and acrylate resins
    • 基于醇酸树脂和丙烯酸酯树脂的水可稀释漆粘合剂
    • US4451596A
    • 1984-05-29
    • US415067
    • 1982-09-07
    • Hans-Christoph WilkBernd Wegemund
    • Hans-Christoph WilkBernd Wegemund
    • C08L33/00C08F2/44C08F283/02C08L33/02C08L33/04C08L67/00C08L67/08C09D133/04C09D151/00C09D151/08C09D167/00C09D167/08C08L67/06
    • C09D151/08C08F283/02C09D167/08
    • This invention is directed to water-dilutable alkyd and acrylate resins. More particularly, this invention is directed to a method for the preparation of water-dilutable resin preparations based upon alkyd and acrylate resins which comprises the steps of:(a) preparing an aqueous alkyd resin dispersion, wherein the alkyd resin has an acid number of from about 5 to 40 and a hydroxyl number of from about 150 to 300 and the dispersion has a solids content of from about 30 to 90 percent by weight; and(b) polymerizing monomers of acrylic acid derivatives or methacrylic acid derivatives in the dispersion from step (a), optionally in the presence of additional water, to obtain a total solids content of from about 30 to 80 percent by weight, the weight ratio of alkyd resin to acrylate resin being from about 1:4 to 9:1.This invention is also directed to the use of these binders in water-dilutable lacquer systems.
    • 本发明涉及水可稀释的醇酸树脂和丙烯酸酯树脂。 更具体地,本发明涉及一种制备基于醇酸树脂和丙烯酸酯树脂的水可稀释树脂制剂的方法,其包括以下步骤:(a)制备醇酸树脂水分散体,其中醇酸树脂的酸值为 约5至40,羟值为约150至300,分散体具有约30至90重量%的固体含量; 和(b)在步骤(a)的分散体中任选地在另外的水的存在下,将丙烯酸衍生物或甲基丙烯酸衍生物的单体聚合,得到约30至80重量%的总固体含量,重量比 的醇酸树脂与丙烯酸酯树脂的比例为约1:4至9:1。 本发明还涉及这些粘合剂在水可稀释漆系统中的用途。