Coating method and product thereof

Details Coating method and product thereof Coating method and product thereof

1983-09-20

1986-08-19

Yarbrough, Amelia B.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

4273855, 4273881, 427409, 427410, 428328, 428334, 428336, 428339, 428418, 4284258, 428548, C25D 1320

Patent

active

046068007

ABSTRACT:
This invention is directed to a coating method and to the product produced by such method. In the preferred practice of this invention, the method includes the steps of selecting a ferrous substrate, such as steel sheet preferably containing a first coating having certain corrosion resistant and adhesion-promoting characteristics, and applying thereto an outer coating of an organic resin containing a particulate metallic aluminum-zinc alloy which is between 5 and 95% by weight aluminum, balance zinc. Preferably, the particle size of said alloy is no more than about 10 microns. Such product is ideally suited for the subsequent application of a cathodic electrophoretic primer coat, such as widely used in the automotive industry.

REFERENCES:
patent: 4238532 (1980-12-01), Dreulle
patent: 4317857 (1982-03-01), Kanda et al.
patent: 4350540 (1982-09-01), Allegra et al.
patent: 4366185 (1982-12-01), Tanaka et al.
patent: 4456663 (1984-06-01), Leonard
patent: 4473110 (1984-09-01), Zawierucha
patent: 4479832 (1984-10-01), Hart et al.
Chemical Abstract No. 78:73762v, Japanese Pat. No. JP 47/27765, Jul. 24, 1972.

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