申请人:PPG Industries, Inc.
公开号:US04477618A1
公开(公告)日:1984-10-16
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, and R.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.
这是一种高固体含量、有机溶剂基的可喷涂涂料组合物,能够酸催化交联,由含活性氢
树脂、作为活性氢
树脂外部和/或内部的固化剂以及非离子
磺酸酯的催化量组成。
磺酸酯的结构式如下:##STR1## 其中:Z是从
氨基和有机基组成的基团,所述有机基团通过碳原子与
硫原子连接;##STR2## C.sub.3 -C.sub.20环烷基;R.sub.1、R.sub.2、R.sub.3、R.sub.4、R.sub.5独立地是氢或有机基团。这些基团可以特别描述如下:R.sub.1是氢、羧烷氧基、C.sub.3 -C.sub.20烷基、C.sub.6 -C.sub.18芳基或C.sub.3 -C.sub.20环烷基;R.sub.2是氢、羧烷氧基、C.sub.3 -C.sub.20烷基、C.sub.6 -C.sub.18芳基或C.sub.3 -C.sub.20环烷基;R.sub.3是氢、羧烷氧基、酰氧基、N-烷基
氨基甲酰氧基、N-芳基
氨基甲酰氧基、C.sub.3 -C.sub.20烷基、C.sub.6 -C.sub.18芳基或C.sub.3 -C.sub.20环烷基;R.sub.4是氢、羧烷氧基、酰氧基、N-烷基
氨基甲酰氧基、N-芳基
氨基甲酰氧基、C.sub.3 -C.sub.20烷基、C.sub.6 -C.sub.18芳基或C.sub.3 -C.sub.20环烷基;R.sub.5是氢、羧烷氧基、酰氧基、N-烷基
氨基甲酰氧基、N-芳基
氨基甲酰氧基、C.sub.3 -C.sub.20烷基、C.sub.6 -C.sub.18芳基或C.sub.3 -C.sub.20环烷基。