DE3826693

A top coating composition comprising (A) a polyol resin having a weight average molecular weight of 400 to 2,000 a ratio of weight average molecular weight ( &upbar& Mw) to number average molecular weight ( &upbar& Mn) of not more than 1.6, and a hydroxyl value of 150 to 400 mg KOH/g, (B) at least one polyol resin selected from the group consisting of (1) a polyester polyol having a weight average molecular weight of 2,000 to 50,000, a hydroxyl value of 50 to 200 mg KOH/g, and cyclohexylene ring content of not less than 7 percent by weight, (2) an acrylic polyol resin containing 20 to 60 percent by weight of acrylic and/or methacrylic ester of a monohydric alcohol of 6 to 18 carbon atoms, and having a weight average molecular weight of 5,000 to 50,000 and a hydroxyl value of 50 to 180 mg KOH/g, and (3) a mixed polyol resin consisting of a non-aqueous dispersion type acrylic resin prepared by dispersion-polymerizing at least one vinyl monomer in the presence of a polymer dispersion stabilizer and an organic solvent, and a solution type acrylic polyol resin having a weight average molecular weight of 5,000 to 50,000 and a hydroxyl value of 50 to 180 mg KOH/g, and (C) an alkoxy monomeric melamine, wherein (A) accounts for 15 to 60 percent, (B) for 15 to 60 percent, and (C) for 20 to 50 percent by weight based on the total weight of (A), (B) and (C).