Process for treating aluminum cans

Details Process for treating aluminum cans Process for treating aluminum cans

1975-12-15

1977-04-12

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

148 627, 148 315, 106 14, C23F 714

Patent

active

040173348

ABSTRACT:
Disclosed is a process for treating aluminum wherein the surface is contacted with a solution containing phosphate, a tannin, titanium and fluoride prior to inking or lacquering. The process produces a coating exhibiting adhesion, color and corrosion resistance comparable to that obtained via conventional chromium-based processes without creating the pollution problems of chromium disposal.

REFERENCES:
patent: 2502441 (1950-04-01), Dodd et al.
patent: 2813814 (1957-11-01), Goodspeed et al.
patent: 2854368 (1958-09-01), Shreir
patent: 3148984 (1964-09-01), Harper

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