| abstract |
An aqueous dispersion type polyurethane composition characterized by being obtained from (a) a polyisocyanate ingredient comprising a diisocyanate as an essential component and other polyisocyanate compound(s) as an optional component, (b) a polyol ingredient comprising a polycarbonate diol having an average molecular weight of 500 to 5,000 and a carboxylated diol as essential components and other polyol compound(s) as an optional component, (c) an amine ingredient comprising a monoamine compound as an essential component and a diamine compound as an optional component, (d) a carboxy-neutralizing ingredient, and (e) water. The composition gives a coating film satisfactory in adhesion to the base and film properties, imparts sufficient impact resistance to coating materials, and is suitable for use as a member for automotive intercoating compositions. |