| 摘要 |
PROBLEM TO BE SOLVED: To provide a water-based intercoating capable of forming coating film of high chipping resistance, and to provide a method for forming multilayer topcoating film using the intercoating. SOLUTION: This water-based intercoating comprises a urethane-modified polyester resin having in one molecule a combination of hydroxy group with blocked isocyanate group, a blocked polyisocyanate compound, a melamine resin and flat pigment particles. A method for forming a multilayer coating film comprising coating an object with an undercoating, an intercoating and a topcoating in this order is also provided; wherein the above water-based intercoating is used as the intercoating.
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