Method and compositions for improving bonding to painted surface

Details Method and compositions for improving bonding to painted surface Method and compositions for improving bonding to painted surface

1984-04-06

1985-06-25

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524417, 524422, 524557, 525 56, C08K 542

Patent

active

045255113

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.

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Kuhn et al., "High Solids Acrylic Resins for Baking Enamels", Modern Paint and Coatings, pp. 50-53, Apr. 1981.
Calbo, "Effect of Catalyst Structure on the Properties of Coatings Crosslinked with Hexa(Methoxymethyl)Melamine", 14th Symposium Western Coating Societies, San Francisco, Feb. 28-Mar. 2, 1979.
"Catalysis of Amino Cross-Linking Agents, Part I, Theoretical", Resin News (a publication of the American Cyanamid Company), No. 5, Jul. 1977.

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