AQUEOUS THERMOSETTING ACRYLIC ENAMEL

摘要

The aqueous thermosetting acrylic coating composition contains the following film-forming constituents: (1) an acryllc polymer of styrene and/or methyl methacrylate, sn alkyl acrylate or an alkyl methacrylate other than methyl methacrylate, a bydroxy alkyl acrylate or a hydroxy alkyl methacrylate and an .alpha.,.beta.unsaturated carboxylic acid wherein the polymer has an acid numbor of 35-150 and carboxyl/hydroxyl ratio of 1:0.2 to 1:1.8; and (2) a water soluble or water dispersible alkylated melamine formaldehyde resin; the novel coating composition is useful as an exterior finish for automobile and truck bodies.