Treating aluminum with tannin and lithium

Details Treating aluminum with tannin and lithium Treating aluminum with tannin and lithium

1976-02-09

1977-12-20

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

148 615R, 106 14, C23F 700

Patent

active

040639690

ABSTRACT:
Disclosed are an improved composition and process for the treatment of aluminum surfaces for the purpose of imparting corrosion resistance and improved receptivity of an organic finish. A lithium compound is added to an aqueous tannin composition to obtain this effect.

REFERENCES:
patent: 2146838 (1939-02-01), Newsome et al.
patent: 2146840 (1939-02-01), Newsome et al.
patent: 2502441 (1950-04-01), Dodd et al.
patent: 2550328 (1951-04-01), Cohn
patent: 2851385 (1958-09-01), Spruance, Jr. et al.
patent: 2854368 (1958-09-01), Shreir

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