Compositions for treating aluminum surfaces for tarnish...

Details Compositions for treating aluminum surfaces for tarnish... Compositions for treating aluminum surfaces for tarnish...

B - Operations, Transporting

32

B

117/199, 31/38

B32B 15/20 (2006.01)

Patent

CA 1131003

ABSTRACT The subject invention relates to compositions of matter for treating aluminum surfaces for rendering them tarnish and corro- sive resistant. The compositions comprise an alkali metal sili- cate 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.

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