abstract |
A cationic electrodeposition coating composition and a replenishment cationic electrodeposition coating composition, in which a solid curing catalyst is well dispersed and excellent in dispersion stability, are provided. An amine-modified epoxy resin (a); a blocked isocyanate curing agent (b); and a water-dispersed curing catalyst (c) having an average particle size of 50 to 200 nm, comprising a solid curing catalyst and a nonionic surfactant. A cationic electrodeposition coating composition comprising: [Selection figure] None |