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    • 67. 发明授权
    • Stable, aged, coating composition
    • 稳定,老化,涂料组成
    • US4057523A
    • 1977-11-08
    • US324687
    • 1973-01-18
    • Werner Josef Blank
    • Werner Josef Blank
    • C08G12/42C09D5/44C09D161/30C08L61/20
    • C09D5/4484C08G12/427C09D161/30
    • A stable, aged composition suitable for depositing a coating by electrophoresis comprising an aqueous dispersion of a mixture of from about 2% to about 60%, by weight, of (A) polymeric substantially water-insoluble, substantially fully etherified polymethylol melamines or guanamines and correspondingly from about 98% to about 40%, by weight, of (B) a water dispersible non-gelled polymeric material carrying an ionic charge which polymeric material contains at least one class of reactive groups, alcoholic hydroxy groups and amide groups wherein the amount of said groups is at least about 3%, by weight, and not more than about 30%, by weight, based on the total weight of said polymeric material wherein said groups are heat reactive with (A) wherein said percentages of (A) and (B), by weight, total 100% and are based on the total solids weight of (A) and (B).
    • 一种适用于通过电泳沉积涂层的稳定的老化组合物,其包含约2%至约60%(重量)的(A)基本上不溶于水的聚合物,基本上完全醚化的多羟甲基三聚氰胺或胍胺的混合物的水分散体,和 相应地约98%至约40%重量的(B)携带离子电荷的水分散性非胶凝聚合物材料,该聚合物材料含有至少一类反应性基团,醇羟基和酰胺基,其中量 基于所述聚合物材料的总重量,所述基团的重量为至少约3重量%,且不超过约30重量%,其中所述基团与(A)热反应,其中所述(A) 和(B),总重量为100%,基于(A)和(B)的总固体重量。