Method of improving the corrosion resistance of anodized aluminu

Details Method of improving the corrosion resistance of anodized aluminu Method of improving the corrosion resistance of anodized aluminu

1990-02-02

1992-12-08

Woo, Jay H.

Metal treatment

Process of modifying or maintaining internal physical...

Processes of coating utilizing a reactive composition which...

148251, 148252, 148272, 148274, 148275, 148276, 4284722, 4274192, 205201, 205204, C23C 2256

Patent

active

051694581

ABSTRACT:
Corrosion resistance of anodized aluminum surfaces is improved by conditioning the surface with a low molecular weight (2-7 carbon atoms) alcohol, and sealing the surface with long chain (10-24 carbon atom) carboxylic acid at low temperatures below about 35-50 degrees centigrade, the alcohol being a solvent for the acid.

REFERENCES:
patent: 3418219 (1968-12-01), Fahlbusch
patent: 3510411 (1970-05-01), Kramer et al.
patent: 4083756 (1978-04-01), Tajkowski
patent: 4130466 (1978-12-01), Kramer

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