Corrosion resistance treatment of aluminum with N-alkyl-fluoroal

Details Corrosion resistance treatment of aluminum with N-alkyl-fluoroal Corrosion resistance treatment of aluminum with N-alkyl-fluoroal

1979-03-12

1980-05-13

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

148 627, 148 315, 204 35N, 252389A, 252391, 260944, 26050121, 2605025, 106 1412, 252 785, C25D 1124, C23F 700

Patent

active

042027063

ABSTRACT:
The surfaces of articles made of aluminum, such as annodized aluminum and bare aluminum, are treated with N-alkyl-fluoroaliphaticsulfonamidophosphonic acids or salts thereof to impart corrosion resistance to said surfaces.

REFERENCES:
patent: 3012917 (1961-12-01), Riou et al.
patent: 3094547 (1963-06-01), Heine
patent: 3468725 (1969-09-01), Uhlig
patent: 3630790 (1971-12-01), Schmidt et al.
patent: 3767439 (1973-10-01), Moyer et al.
patent: 3870771 (1975-03-01), Golborn et al.
patent: 3900370 (1975-08-01), Germscheid et al.
patent: 3911056 (1975-10-01), Houghton
patent: 3912654 (1975-10-01), Heid et al.
patent: 3948819 (1976-04-01), Wilde
patent: 3970586 (1976-07-01), Schliebs et al.

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