Method for forming japan-like paint film

Details Method for forming japan-like paint film Method for forming japan-like paint film

1990-06-08

1992-04-28

Lusignan, Michael

Coating processes

With post-treatment of coating or coating material

Heating or drying

427380, 427409, 4273881, B05D 302

Patent

active

051087960

ABSTRACT:
A method for forming a japan-like paint film on the surface of a steel plate forming part of an automotive vehicle outer panel. The method is comprised of coating a first coating layer of an electrodeposition paint and an intermediate coat paint, on the surface of the steel plate. Subsequently, a second coating layer is formed by coating a base coat paint and a colorless clear paint in a wet on wet manner on the first coating layer and baked to be hardened. The base coat paint contains aluminum powder in an amount of not more than 13% by weight relative to the solid content of the base coat paint. Lastly, a third coating layer is formed by coating a colored clear paint and a colorless clear paint on the second coating layer in a wet on wet manner and baked to be hardened. The colored clear paint contains particulate pigment whose content is within a range form 0.5 to 5% by weight relative to the solid content of the colored clear paint and whose particle size is within a range from 0.01 to 0.3 .mu.m.

REFERENCES:
patent: 4268543 (1981-05-01), Sakakibara et al.
patent: 4741932 (1988-05-01), Ichimura et al.
patent: 4781949 (1989-11-01), Kasari
patent: 4933214 (1990-06-01), Sugiura et al.
Paint Manual, 3rd Ed. U.S. Department of the Interior Bureau of Reclamation, (1976) Stock # 024-003-00104-0.
Treatise on Coatings: Formulations-Part I, R. R. Myers & J. S. Long-eds., vol. 4, Dekker Inc, NY., 1975.

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