This invention provides thermosetting resinous binder compositions containing a hydroxyl group-containing non-acidic resinous compound, a beta-hydroxyl ester group-containing polyester cross-linking agent and a transesterific- tion-promoting metal compound, the resinous compound and/or the polyester having a hydroxyl or beta-hydroxyl ester functionality of more than 2, wherein the beta hydroxyl ester groups in the polyester are substituted in the gamma-position by a hydroxyl or amino group, or a transferable ester group derived from a polycarboxylic acid, their preparation and tbeir use as coating materials.
本发明提供了一种热固性
树脂粘结剂组合物,该组合物含有一种含羟基的非酸性
树脂化合物、一种含β-羟基酯基的聚酯
交联剂和一种酯交换促进
金属化合物、
树脂化合物和/或聚酯的羟基或β-羟基酯官能度大于 2,其中聚酯中的β-羟基酯基团在 γ 位被羟基或
氨基取代,或被源自聚
羧酸的可转移酯基团取代,它们的制备及其作为涂层材料的用途。