Process for coloring aluminum electrolytically with metal salts

Details Process for coloring aluminum electrolytically with metal salts Process for coloring aluminum electrolytically with metal salts

1979-11-14

1983-08-30

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204 35N, C25D 1122

Patent

active

044015259

ABSTRACT:
A two-step process for electrolytically coloring aluminum with metal salts is disclosed in which an oxide layer, produced by direct current in an acidic solution, is colored by means of an alternating current through an electrolyte containing a tin(II) salt. The electrolyte inventively contains 1 to 10 g/l iron(II) salts of sulfuric acid, a sulfuric acid with at most 8 carbon atoms or of sulfamic acid. The process prevents the formation of deposits in the electrolytes on standing. In addition, a considerable color-enhancing effect can be achieved.

REFERENCES:
patent: 4042469 (1977-08-01), Hasegawa et al.
patent: 4070255 (1978-01-01), Hasegawa et al.

Affiliated with

Also associated with

Rating

Process for coloring aluminum electrolytically with metal salts does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for coloring aluminum electrolytically with metal salts, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for coloring aluminum electrolytically with metal salts will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-904883