Compositions for treating aluminum surfaces for tarnish resistan

Details Compositions for treating aluminum surfaces for tarnish resistan Compositions for treating aluminum surfaces for tarnish resistan

1981-02-23

1982-09-28

Michl, Paul R.

Stock material or miscellaneous articles

Composite

Of silicon containing

524442, B32B 1508

Patent

active

043518834

ABSTRACT:
The subject invention relates to compositions of matter for treating aluminum surfaces for rendering them tarnish and corrosive resistant. The compositions comprise an alkali metal silicate including sodium and potassium and lithium silicates and a soluble organic polymer having displaceable hydrogens or displaced hydrogens. The organic polymers having displaceable hydrogens may be derived from hydroxyls, carboxylic acids, amides, sulfonic acids, carbohydrates, and phosphoric acids. The composition may be readily applied by spraying or dipping them in concentration less than about 5% in an aqueous system.

REFERENCES:
patent: 2699407 (1955-01-01), Martens
patent: 3450661 (1969-06-01), Neel
patent: 3884863 (1975-05-01), Beers
patent: 4002590 (1977-01-01), Yoshida
patent: 4169916 (1979-10-01), Tsutsui

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