Described are carbamates and coating compositions comprising same. Specifically disclosed is a coating composition comprising:
(a) an hydroxyalkyl carbamate compound of the formula
wherein R is a C1 to C20 organic moiety which may contain one or more constituents selected from the class consisting of heteroatoms and hydroxyl groups, and each of Ri, R2 and R3 is independently H or CH3;
(b) an amino cross-linker;
(c) a polymer containing active sites which, at elevated temperatures, are reactive with the amino cross-linker
(b); and
(d) optionally, an acid catalyst;
the compound (a), the cross-linker (b) and the polymer (c) being stable relative to each other in the composition while at an ambient temperature, and reactive at elevated temperature.
描述了
氨基甲酸酯及其包含的涂料组合物。具体公开了一种涂料组合物,其中包括
(a) 式中的羟烷基
氨基甲酸酯化合物
其中 R 是 C1 至 C20 有机分子,可含有一种或多种选自杂原子和羟基的成分,且 Ri、R2 和 R3 中的每一个独立地为 H 或
CH3;
(b)
氨基
交联剂;
(c) 含有活性位点的聚合物,该活性位点在高温下与
氨基
交联剂反应
(b) ;以及
(d) 可选的酸催化剂;
化合物 (a)、
交联剂 (b) 和聚合物 (c) 在环境温度下在组合物中相对稳定,而在温度升高时发生反应。