In the case of preparing a coating composition using the curable resin composition of the present invention, there are mixed the acrylic polyol resin (V-A), the polyisocyanate compound (V-B), and optionally, additives such as acidic-dissociation catalysts and pigments, and uniformly dispersed by a dispersing machine such as a sand grind mill, a ball mill, and Atlighter to prepare a curable type co