申请人:KANSAI PAINT CO., LTD.
公开号:EP1149876A2
公开(公告)日:2001-10-31
The present invention provides an electrodeposition coating composition which has an excellent film forming property and which is excellent in performances such as a smoothness and an anticorrosion performances even after storing over a long period of time. The electrodeposition coating composition comprises an ester compound selected from the group consisting of:
(a) a diester compound of polyoxyalkylene glycol and aliphatic mono-carboxylic acid,
(b) a diester compound of polyoxyalkylene alkyl ether monoalcohol and aliphatic dicarboxylic acid and
(c) a polyester compound obtained by reaction of aliphatic glycol having 2 or 3 carbon atoms, aliphatic dicarboxylic acid and aliphatic monoalcohol.
本发明提供了一种电沉积涂层组合物,该组合物具有优异的成膜性能,并且在长期储存后仍具有优异的平滑性和防腐性能。本发明的电沉积涂层组合物包含一种酯类化合物,该化合物选自由以下物质组成的组:
(a) 聚氧亚烷基二醇和脂肪族一羧酸的二酯化合物、
(b) 聚氧亚烷基醚一元醇和脂肪族二羧酸的二酯化合物,以及
(c) 由具有 2 或 3 个碳原子的脂肪族乙二醇、脂肪族二羧酸和脂肪族一元醇反 应而得的聚酯化合物。