The invention provides an aqueous coating composition based on a cationic amino urea resin having an amine number of 3-250 and obtained by reacting an organic isocyanate with a polyamino amide having an amine number of 40-500 and built up from a mono- or dicarboxylic acid and a polyamine, said composition also containing a solid particulate epoxy group-containing compound and/or a solid particulate polyester having a melting point of at least 40°C, The invention also pertains to the process for applying and baking said composition and to the coated substrate thus obtained.
本发明提供了一种基于阳离子
氨基
脲树脂的
水性涂料组合物,阳离子
氨基
脲树脂的胺数为3-250,由有机
异氰酸酯与胺数为40-500的聚
氨基
酰胺反应而得,聚
氨基
酰胺由一元或二元
羧酸和
多胺组成、 本发明还涉及应用和烘烤上述组合物的工艺以及由此获得的涂层基材。