An alkyd resin characterised in that it comprises the reaction product of (A) an ester diol alkoxylate of the formula
wherein m is an integer having a value of from 2 to 4, n is an integer having a value of from 1 to 5, x and y are integers each having a value of from 1 to 20, and R is an unsubstituted or substituted alkyl group having from 1 to 8 carbon atoms with (B) a polyol and (C) a polycarboxylic acid or anhydride thereof.
A coating composition comprising such a resin and the coating composition when cured.
一种醇酸
树脂,其特征在于它由以下物质的反应产物组成 (A) 式中的酯二醇烷氧基化物
其中 m 是 2 至 4 的整数,n 是 1 至 5 的整数,x 和 y 分别是 1 至 20 的整数,R 是具有 1 至 8 个碳原子的未取代或取代的烷基。
一种涂料组合物,包括这种
树脂和固化后的涂料组合物。