| 摘要 |
PROBLEM TO BE SOLVED: To provide an environment-friendly and aqueous composition for two-pack aqueous coating that excels in long-term storage stability, and is excellent in initial water resistance and gloss of a coating film.SOLUTION: A two-pack aqueous coating composition includes: (A) an aqueous acrylic resin having a carboxyl group; and (B) a carbodiimide compound shown by general formula (1), {in the formula, p denotes an integer of 1-5; and two of R1 each independently denote a polyethylene glycol monoalkyl ether residue and/or a polypropylene glycol monoalkyl ether residue shown by general formula (2)}, wherein in the R1 in the general formula (1), a molar ratio of the polyethylene glycol monoalkyl ether residue and the polypropylene glycol monoalkyl ether residue shown by the general formula (2) is 1:1-1:15. |
