Coating processes – With post-treatment of coating or coating material – Heating or drying
Patent
1980-08-28
1982-12-28
Thibodeau, Paul J.
Coating processes
With post-treatment of coating or coating material
Heating or drying
4273882, 4273884, 4273885, 427405, 427406, 427409, 427410, 428418, 428458, 428460, 428461, B05D 500, B05D 714
Patent
active
043661858
ABSTRACT:
Process of producing metal-resin composite, and the composite resulting therefrom, are provided. The process comprises providing a solution or dispersion of a resin, for example, an epoxy resin, said solution or dispersion having dispersed therein at least one particulate metal compound for example, an oxide, of the Group I A and II A metals of the Periodic Table, the amount of metal compound being 1-500 parts by weight per 100 parts by weight of resin, then coating the solution or dispersion on a metal substrate and heating the coated substrate to evaporate the solvent for the resin and cure the resin. The resultant metal-resin composite is corrosion resistant, especially under acidic conditions, since the resin layer having the Group I A or II A metal compound dispersed therein serves to control the pH on the surface of the metal substrate to within the range from 4 to 12 under acidic conditions in the atmosphere surrounding the metal-resin composite.
REFERENCES:
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patent: 3207611 (1965-09-01), Ehren
patent: 3869293 (1975-03-01), Brumbaugh
patent: 4103050 (1978-07-01), Laskin et al.
patent: 4110117 (1978-08-01), McLeod
patent: 4122055 (1978-10-01), Tugukuni et al.
patent: 4229495 (1980-10-01), Takahashi et al.
Kanda Katsumi
Kondo Yoshikazu
Okamura Taka-aki
Tanaka Atsuo
Thibodeau Paul J.
Toyo Kohan Co. Ltd.
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