| abstract |
The present invention provides a cationic electrodeposition coating composition having controlled electric conductivity and controlled average particle size of the binder resin emulsion. One embodiment of the present invention provides a cationic electrodeposition coating composition comprising a binder resin emulsion, wherein the binder resin emulsion comprises; (a) amine-modified epoxy resin having an amino group, (b) blocked isocyanate curing agent, and (c) modified epoxy resin having an onium group. |