Surface treatment

Details Surface treatment Surface treatment

1973-12-27

1976-07-06

Weiffenbach, Cameron K.

Stock material or miscellaneous articles

Composite

Of silicon containing

148 614R, 148 627, 428457, B32B 906, B32B 1504

Patent

active

039683133

ABSTRACT:
Treatment of metals, and other surfaces, with dilute colloidal slightly acidic dispersion of silica and tannin. The treating composition is removed from the metal surface before forming any deposit of silica visible to the naked eye. The metals become resistant to chemical attack.

REFERENCES:
patent: 566037 (1896-08-01), Thompson
patent: 2146838 (1939-02-01), Newsome et al.
patent: 2146840 (1939-02-01), Newsome et al.
patent: 2818079 (1957-12-01), Garrison
patent: 3796608 (1974-03-01), Pearlman
Koziejowska, K., Effect of Hydrogen Ion Concentration on the Extraction of Tannins From China Bark (Quillata), In Chemical Abstracts, 72:6216h, 1970.

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