An acrylic polyamine copolymer with amine and hydroxy functionality, coating compositions containing such copolymer and another codispersed polymer, and electrodeposition processes using such copolymer und coating compositions. The copolymer can be formulated with auxilliary resins and optional crosslinkers to make a nearly-neutral pH cathodic dispersion, and the formulation can be used in cathodic electrodeposition, giving good cure response at 150-175° C.
一种具有胺和羟基官能团的
丙烯酸聚胺共聚物、含有这种共聚物和另一种共分散聚合物的涂料组合物,以及使用这种共聚物和涂料组合物的电沉积工艺。该共聚物可与辅助
树脂和任选
交联剂配制成 pH 值接近中性的阴极分散体,该配方可用于阴极电沉积,在 150-175°C 下具有良好的固化反应。