Chemical surface coating bath

Details Chemical surface coating bath Chemical surface coating bath

1975-12-08

1977-05-17

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

148 627, 148 615R, 148 62, 106 14, 252390, C23F 702, C23F 708, C23F 726

Patent

active

040239861

ABSTRACT:
Efficiency of chemical surface finishing baths for metal articles, particularly electrolytic baths for anodizing metals such as aluminum, magnesium or titanium is improved by incorporating into the bath an effective amount, typically from 0.1 to 50 grams per liter of the reaction product of a metal halide, such as boron trifluoride, and a trifluoro-alkaryl amine, suitably .alpha.,.alpha.,.alpha.,-trifluoro-m-toluidine.

REFERENCES:
patent: 2854370 (1958-09-01), Kronstein
patent: 3460989 (1969-08-01), Rusch
Desai et al. (I), Chemical Abstracts 74:60140h, 1971.
Desai et al. (II), Chemical Abstracts 73:10012b, 1970.
Desai et al. (III), Chemical Abstracts 78:66093z, 1973.

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