| 摘要 |
PROBLEM TO BE SOLVED: To provide a coating composition which is excellent not only in self-repairing property for scratches of the coating film but also in compatibility of the coating solution, and transparency, smoothness, and recovery limit strength of the coating film.SOLUTION: The self-repair type coating composition is obtained by reacting an organic polyisocyanate (A), an acrylic polyol (B), and a polycarbonate polyol (C), where the organic polyisocyanate (A) has a functional group number of 3.0 or more, and a number average molecular weight of the polycarbonate polyol (C) is 250 to 750.SELECTED DRAWING: None |
