Process for the formation of fluoroplastic coating on surface of

Details Process for the formation of fluoroplastic coating on surface of Process for the formation of fluoroplastic coating on surface of

1989-05-23

1990-04-17

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

204 383, 204 387, 204 561, C23C 2800

Patent

active

049177796

ABSTRACT:
A fluoroplastic coating is formed on the surface of a substrate, which is selected from the group consisting of zinc, zinc alloys and zinc platings, by (i) forming an anodic oxide film on the surface of the substrate by alternating current electrolysis, (ii) dipping the substrate with the anodic oxide film formed therein in a dispersion of a fluoroplastic to coat the anodic oxide film with the fluoroplastic; and (iii) subjecting the thus-coated substrate to a heat treatment at a temperature of at least 170.degree. C.

REFERENCES:
patent: 3591468 (1971-07-01), Nishio et al.
patent: 3977839 (1976-08-01), Palisin, Jr.
patent: 4003760 (1977-01-01), Labenski et al.
patent: 4114505 (1978-09-01), Loeser et al.

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