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    • 9. 发明授权
    • High solids coating compositions
    • 高固含量涂料组合物
    • US4101603A
    • 1978-07-18
    • US690185
    • 1976-05-26
    • Oliver Wendell SmithJoseph Victor Koleske
    • Oliver Wendell SmithJoseph Victor Koleske
    • C08G63/12C08G63/664C09D161/28C09D167/04C09D175/06C08L61/32C08L67/04
    • C09D167/04C08G63/12C08G63/664C09D161/28C09D175/06
    • High solids coating compositions comprising a polycaprolactone derivative and a mixture of a methylolated melamine and a low molecular weight polyol; and, optionally, solvent and catalyst. The polycaprolactone derivative used in the coating compositions can be (A) a polycaprolactone polyol; or (B) the reaction product of a polycaprolactone polyol and an anhydride of a polycarboxylic acid; or (C) the reaction product of a polycaprolactone polyol, a polyisocyanate and an anhydride of a polycarboxylic acid; or (D) the reaction product of a polycaprolactone polyol, a diepoxide and an anhydride of a polycarboxylic acid; the polycaprolactone polyol referred to in the above four classes, Types A to D, has an average of at least two hydroxyl groups in the molecule, a hydroxyl number of from about 15 to about 600 and an average molecular weight of from about 290 to about 6,000. The carboxylic acid anhydride mentioned has at least one intramolecular carboxylic anhydride group. The polycaprolactone derivatives are water insoluble.
    • 包含聚己内酯衍生物和羟甲基化三聚氰胺与低分子量多元醇的混合物的高固含量涂料组合物; 和任选的溶剂和催化剂。 用于涂料组合物的聚己内酯衍生物可以是(A)聚己内酯多元醇; 或(B)聚己内酯多元醇与多元羧酸的酸酐的反应产物; 或(C)聚己内酯多元醇,多异氰酸酯和多元羧酸的酸酐的反应产物; 或(D)聚己内酯多元醇,二环氧化物和多元羧酸的酸酐的反应产物; 上述四类A,D中所述的聚己内酯多元醇在分子中平均具有至少两个羟基,羟值为约15至约600,平均分子量为约290至约 6,000。 所述羧酸酐具有至少一个分子内羧酸酐基团。 聚己内酯衍生物是水不溶性的。