申请人:KANSAI PAINT CO. LTD.
公开号:EP0567066A2
公开(公告)日:1993-10-27
A resin composition for an aqueous coating composition contains as a main component a cationic resin (U) having a primary hydroxyl group, obtained by reacting (A) a phenol-novolak epoxy resin, (B) a primary or secondary amine compound having a primary hydroxyl group, and (c) a phenol compound having at lest one phenolic hydroxyl group per molecule. The composition has improved water dispersibility, bath stability and pigment dispersibility, and is useful as a cationic electrodeposition coating composition.
一种用于水性涂料组合物的树脂组合物,其主要成分是具有伯羟基的阳离子树脂(U),该树脂是由 (A) 苯酚-新戊酰环氧树脂、(B) 具有伯羟基的伯胺或仲胺化合物和 (c) 每个分子至少具有一个酚羟基的苯酚化合物反应而得。该组合物具有更好的水分散性、浴稳定性和颜料分散性,可用作阳离子电沉积涂料组合物。