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US 2014/0255686 A1Published application
Primer compositions for application to sheet materials and methods of applying same
OwnerIrina G. Schwendeman, Carole A. Conley +1inventors
InventorsIrina G. Schwendeman, Carole A. Conley, Edward R. Millero, JR.
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Abstract
Waterborne primer coating compositions are applied to sheet metal substrates and rapidly cured. The primer coating compositions contain water, a latex resin and corrosion-inhibiting particles. The primer coating compositions may be applied to the metal sheets and rapidly cured at a rolling mill, followed by coiling of the coated sheets.
Claims22
A rapidly curable waterborne primer coating composition comprising:
- water,
- latex resin;
- and
- corrosion-inhibiting particles.
1 more element
A coated metal sheet comprising:
- a metal substrate;
- and
- a cured primer coating covering at least a portion of the metal substrate, wherein the cured primer coating comprises a latex resin and corrosion-inhibiting particles, and is cured for less than 10 seconds at a temperature of less than 350° F.
A method of coating a sheet metal substrate comprising:
- applying a primer coating composition comprising water, latex resin and corrosion-inhibiting particles onto the sheet material;
- and
- curing the primer coating composition at a temperature of less than 350° F. for a time of less than 10 seconds.
Dependencies are inferred from the claim text.