Method for hydrophilic treatment of aluminum using an amphoteric

Details Method for hydrophilic treatment of aluminum using an amphoteric Method for hydrophilic treatment of aluminum using an amphoteric

1987-12-14

1988-11-08

Silverberg, Sam

Metal treatment

Compositions

Heat treating

4273882, 4273884, 427409, 148 62, F28F 1318

Patent

active

047832240

ABSTRACT:
A hydrophilic coating is formed on an aluminum surface by the application of an aqueous solution of an amphoteric acrylamide polymer which is dried in place. The polymer solution may contain a cross-linking agent and the dried coating may be subsequently treated to form a water-glass coating.

REFERENCES:
patent: 4136073 (1977-01-01), Muro
patent: 4656211 (1987-04-01), Nasu

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