De-watering of metal surfaces

Details De-watering of metal surfaces De-watering of metal surfaces

1981-03-26

1983-05-17

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

134 29, 148 62, 156664, 204 51, 2041291, 427331, 427354, C25D 548, B05D 310, C23F 100

Patent

active

043838987

ABSTRACT:
After a metal finishing treatment by means of an aqueous solution that forms a surface of free metal, or comprising metal ions, exposed to the environment, the surface is rinsed, contacted with a soap solution and subjected to a final rinse. The treatment provides enhanced corrosion resistance and rapid spontaneous de-watering after the final rinse.

REFERENCES:
patent: 3012917 (1961-12-01), Riou
patent: 3647650 (1972-03-01), Yamagishi
patent: 3653983 (1972-04-01), Ziehr et al.
patent: 3966570 (1976-06-01), Yamagishi
A. Kenneth Graham, Electroplating Engineering Handbook, Reinhold Publishing Corp., New York, 1962, pp. 207, 208.
Kirk-Othmer Encyclopedia of Chemical Technology, Interscience Publishers, vol. 12 (1st Ed.), pp. 573-575; vol. 6 (2nd Ed.), pp. 853-856, 869-870; vol. 19 (2nd Ed.), pp. 507-514, 566-580.
Frederick Lowenheim, Electroplating, McGraw-Hill, New York, 1978, p. 80.
Metal Finishing Guidebook and Directory, 1978; Metals and Plastics Publications, Hackensack, N.J., p. 126.

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