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US 4,227,963 AGranted
Chemical etching of polymers for metallizing utilizing an aqueous sulfuric-carboxylic acid etchant
AssigneeThe Standard Oil Company
InventorWayne T. Wiggins
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Abstract
The surfaces of polymer articles are conditioned for metallizing by treatment with an etching solution composed of a mixture of sulfuric acid and a carboxylic acid, such as formic or acetic acid.
Claims8
The method for preparing the surface of a polymer article for metallizing comprising etching said surfaces with a mixture of consisting of water, sulfuric acid and a carboxylic acid.
Dependencies are inferred from the claim text.