Method of depositing a protective surface layer on a very thin m

Details Method of depositing a protective surface layer on a very thin m Method of depositing a protective surface layer on a very thin m

1978-07-12

1980-09-16

Newsome, John H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

252390, B05D 306

Patent

active

042230470

ABSTRACT:
A method of depositing an oil containing protective surface layer on a very thin metal sheet preferably intended for packing purposes. The very thin metal sheet, in the form of a band and at a band speed of up to 600 m/min, is electrostatically coated with a mixture comprising 1 to 2 parts of an ester of sebacic acid, azelaic acid, or citric acid, and 1 part of a high molecular monobasic acid having the general formula CH.sub.3 (CH.sub.2).sub.n CON(CH.sub.3)CH.sub.2 COOH. The coating is formed in a layer of 1 to 10 mg/m.sup.2 of surface of the metal sheet.

REFERENCES:
patent: 2790779 (1957-04-01), Spivack et al.
patent: 2884338 (1959-04-01), Jenison
patent: 3726701 (1973-04-01), Nishikawa et al.
patent: 3787227 (1974-01-01), Marans

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