| abstract |
The present invention comprises sequentially coating a water-based first colored paint and a water-based second colored paint on an object to be coated, and simultaneously heating and curing the obtained first colored paint film and second colored paint film, The aqueous first colored coating material is a hydroxyl group-containing polyester resin, a curing agent, and a polymerizable unsaturated monomer other than the polymerizable unsaturated monomer having 30 to 100% by mass and an unsaturated alkyl group having 5 to 22 carbon atoms. A method for forming a multilayer coating film excellent in smoothness, sharpness, water resistance and chipping resistance, comprising a water-dispersible acrylic resin obtained by polymerizing a monomer component consisting of 0 to 70% by mass of monomers I will provide a. |