Coating compositions (a) a vinyl chloride organosol (b) a vinyl chloride copolymer solution (c) an acrylic resin component (d) a butylated urea-formaldehyde and optionally, (e) a vinyl chloride-vinylidene chloride solution

Claim 1

A LIQUID COATING COMPOSITION SUITABLE FOR USE IN COATING METAL AND BEING BAKED THEREON TO PROVIDE AN ADHERENT COATING, WHICH COMPRISES: AN ORGANOSOL COMPONENT HAVING A VINYL CHLORIDE POLYMER DISPERSION RESIN DISPERSED IN AN ORGANIC LIQUID VEHICLE; A VINYL CHLORIDE COPOLYMER SOLUTION RESIN THAT IS A MEMBER OF THE GROUP CONSISTING OF VINYL CHLORIDE-VINYL ACETATE AND VINYL CHLORIDE-ONE HALF LOWER ALKYL ESTER OF MALEIC ACID; AND ACRYLIC RESIN COMPONENT FORM THE GROUP CONSISTING OF POLYMERIC METHYL METHACRYLATE IN METHYL METHACRYLATE MONOMER, ACRYLIC SOLUTION RESIN WHICH ARE POLYMERS AND/OR COPOLYMERS OF LOWER ALKYL METHACRYLATES OR ACRYLATES, AND ADMIXTURES THEREOF; A BUTYLATED UREA-FORMALDEHYDE SOLUTION RESIN; AND VOLATILE LIQUID FROM THE GROUP CONSISTING OF ORGANIC SOLVENT, ORGANIC DILUENT, AND ADMIXTURES THEREOF; SAID COMPOSITION HAVING ABOUT 20-70% BY WEIGHT NONVOLATILES CONTAINING ABOUT 10-50 PARTS BY WEIGHT VINYL CHLORIDE DISPERSION RESIN, ABOUT 5-40 PARTS BY WEIGHT VINYL CHLORIDE COPOLYMER SOLUTION RESIN, ABOUT 0.5-10 PARTS BY WEIGHT ACRYLIC RESIN COMPONENT, AND ABOUT 1-10 PARTS BY WEIGHT OF BUTYLATED UREA-FORMALDEHYDE RESIN; AND SAID COMPOSITION BEING CAPABLE OF BEING FILMED AS A COMPATIBLE, SUBSTANTIALLY HOMEGENEOUS COMPOSITION ONTO A METAL SURFACE AND OF BEING BAKED THEREON AT A TEMPERATURE OF ABOUT 350-500*F. TO FORM A CURED ADHERENT COATING.