Method and compositions for improving bonding to painted surfaces
AssigneeEssex Specialty Products, Inc.
InventorsMichael D. Kirby, Michael P. Mazzeo
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Abstract
A method for priming a high solids enamel automotive finish to improve the adhesion thereto of a sealant composition, which method comprises treating said surface with a strong acid, conveniently by applying a primer composition to said surface, said primer composition comprising a solution, in a volatile organic solvent, of a hydroxy functional film forming resin and at least 0.25 percent of a strong acid, by weight of said resin.
Claims5
A primer composition adaptable to application to a painted surface to improve the adhesion of a sealant composition to said surface, said composition comprising a solution, in a volatile solvent, of an hydroxy functional film forming and at least 0.25 percent of a strong acid, by weight of said resin.
Dependencies are inferred from the claim text.