Simulated weathered-copper coatings for metal

Details Simulated weathered-copper coatings for metal Simulated weathered-copper coatings for metal

1981-11-30

1983-11-22

Lawrence, Evan K.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

427267, 427380, 4274071, 427409, 428328, 428913, B32B 516, B32B 1902, B32B 2720, B05D 506

Patent

active

044169400

ABSTRACT:
Processes for the application of new water-reducible and solvent-based coatings to various substrates to simultaneously impart copper-like metal and patina coloration to achieve a simulated weathered copper appearance are described, as well as the articles produced thereby. The coatings are preferably applied to a primed metal substrate, especially coil coating stock, in a two-step process comprising a first application of a base coat containing a dominant patina-color-producing colorant followed by application of a top coat applied to the cured base coat, the top coat containing a copper-color-producing colorant. After final cure, the substrate exhibits both a copper metallic appearance by reflection of incident light from the top coat and a patina appearance by transmission of light to and reflection from the base coat.

REFERENCES:
patent: 2104790 (1938-01-01), Casto
Modern Metals 32(4): pp. 37-38 May 1976.
Fredericks, B., A Bright Alternative to Metallic Finishes, Product Finishing, p. 54 Aug. 1981.
Bachhouse, A. J., Routes to Low Pollution Glamour Metallic Automotive Finishes, J. Coatings Technology, 54(693): pp. 83-90 Oct. 1982.
U.S. 4,220,679, Coating Process, A. J. Bachhouse, Abstract in Official Gazette Sep. 2, 1982.

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