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    • 9. 发明授权
    • Aminoplast curable coating compositions containing sulfonic acid esters
as latent acid catalysts
    • 含有磺酸酯作为潜酸催化剂的氨基塑料可固化涂料组合物
    • US4477618A
    • 1984-10-16
    • US427402
    • 1982-09-29
    • Debra L. SingerGregory J. McCollumRostyslaw DowbenkoRoger M. ChristensonMichael M. ChauWen-Hsuan Chang
    • Debra L. SingerGregory J. McCollumRostyslaw DowbenkoRoger M. ChristensonMichael M. ChauWen-Hsuan Chang
    • C08F8/36C08K5/42C09D161/20
    • C07C309/00C08K5/42C09D161/20
    • A high solids, organic solvent based, sprayable coating composition which is capable of acid catalyzed crosslinking is composed of an active hydrogen-containing resin, a curing agent present externally and/or internally as a part of the active hydrogen-containing resin, and a catalytic amount of a non-ionic ester of a sulfonic acid. The sulfonic acid ester is represented by the following structural formula: ##STR1## wherein: Z is a radical selected from the group consisting of amino and an organic radical, said organic radical being connected to the sulfur atom by a carbon atom; ##STR2## C.sub.3 -C.sub.20 cycloalkyl; and R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 are independently hydrogen or an organic radical. These groups can be particularly described as follows:R.sub.1 is hydrogen, carboalkoxy, C.sub.3 -C.sub.20 alkyl, C.sub.6 -C.sub.18 aryl, or C.sub.3 -C.sub.20 cycloalkyl;R.sub.2 is hydrogen, carboalkoxy, C.sub.3 -C.sub.20 alkyl, C.sub.6 -C.sub.18 aryl, or C.sub.3 -C.sub.20 cycloalkyl;R.sub.3 is hydrogen, carboalkoxy, acyloxy, N-alkylcarbamyloxy, N-arylcarbamyloxy, C.sub.3 -C.sub.20 alkyl, C.sub.6 -C.sub.18 aryl, or C.sub.3 -C.sub.20 cycloalkyl;R.sub.4 is hydrogen, carboalkoxy, acyloxy, N-alkylcarbamyloxy, N-arylcarbamyloxy, C.sub.3 -C.sub.20 alkyl, C.sub.6 -C.sub.18 aryl, or C.sub.3 -C.sub.20 cycloalkyl, andR.sub.5 is hydrogen, carboalkoxy, acyloxy, N-alkylcarbamyloxy, N-arylcarbamyloxy, C.sub.3 -C.sub.20 alkyl, C.sub.6 -C.sub.18 aryl, or C.sub.3 -C.sub.20 cycloalkyl.
    • 能够进行酸催化交联的高固体,有机溶剂型可喷涂涂料组合物由含活性氢的树脂,在外部和/或内部作为含活性氢树脂的一部分存在的固化剂组成,以及 催化量的磺酸的非离子酯。 磺酸酯由以下结构式表示:其中:Z是选自氨基和有机基团的基团,所述有机基团通过碳原子连接到硫原子上; C3-C20环烷基; 并且R 1,R 2,R 3,R 4,R 5独立地为氢或有机基团。 这些基团可以特别描述如下:R 1是氢,烷氧羰基,C 3 -C 20烷基,C 6 -C 18芳基或C 3 -C 20环烷基; R2是氢,烷氧羰基,C3-C20烷基,C6-C18芳基或C3-C20环烷基; R3是氢,烷氧羰基,酰氧基,N-烷基氨基甲酰氧基,N-芳基氨基甲酰氧基,C3-C20烷基,C6-C18芳基或C3-C20环烷基; R4是氢,烷氧羰基,酰氧基,N-烷基氨基甲酰氧基,N-芳基氨基甲酰氧基,C3-C20烷基,C6-C18芳基或C3-C20环烷基,R5是氢,烷氧羰基,酰氧基,N-烷基氨基甲酰氧基,N-芳基氨基甲酰氧基,C3 -C 20烷基,C 6 -C 18芳基或C 3 -C 20环烷基。