Metal and polymer substrates having a powder basecoat and liquid topcoat

摘要: Composite coated metal and/or polymer substrates are provided having a powder basecoat thereon formed from at least one film-forming material comprising thermosettable polyester and curing agent; reaction product of cyclic carboxylic acid anhydride, alkene reactant selected the group consisting primary amines, aliphatic polyamines, amino alcohols, isocyanates mixtures thereof, copolymer number average molecular weight ranging about 1,000 to 20,000; flow control topcoat deposited liquid or slurry topcoating composition applied over form composite coating providing good adhesion chip cratering resistance.