COMPOSITION FOR COLORING WITH CATION ELECTRIC DEPOSITION, SUITABLE FOR DYING EVEN PLANTS OF NARROW GAPES, AND A COVERING FILM APPLIED BY ELECTRODEPOSITION WHEN ITS APPLICATION

摘要

1. A cationic electrodeposition staining composition comprising a cationic epoxy resin (A), a blocked isocyanate curing agent (B), a hydrophobic agent (C), a viscosity modifier (D) and an acid neutralizing agent in an aqueous medium, mass ratio of solid content (A) / (B) a cationic epoxy resin (A) and a blocked polyisocyanate curing agent (B) is from 60/40 to 80/20, where the solubility parameter (SP) of the hydrophobic agent (C) is 10.2 or more and less than 10 , 6 and less by 0.6-1.0 param values the solubility rate (SP) of the cationic epoxy resin (A) and the content of the hydrophobic agent (C) is 0.2-5 wt.% with respect to the total amount of cationic epoxy resin (A) and the blocked polyisocyanate curing agent (B), where the modifier viscosity (D) is resin particles, and the content of viscosity modifier (D) is from 3 to 10 wt.% with respect to the total amount of cationic epoxy resin (A), a blocked polyisocyanate curing agent (B) and a hydrophobic agent (C), where Coulomb efficiency composition for OCD Shivani cationic electrodeposition is from 2.0 to 2.5 mg / (m · Cl), and wherein the hydrophobic agent (C) is an uncrosslinked acrylic smola.2. The cationic electrodeposition staining composition according to claim 1, wherein the viscosity modifier (D) is crosslinked resin particles with an average particle diameter of 50 to 200 nm. Composition for staining with cationic electrodeposition according to one of claims 1 and 2, in which the solubility parameter (SP) of the hydrophobic agent (C) is from 10.2 to 10.5.4. Composition for cationic electrodeposition staining one at a time