Chemistry: electrical and wave energy – Processes and products
Patent
1977-07-18
1978-09-05
Ansher, Harold
Chemistry: electrical and wave energy
Processes and products
106300, 423 76, 423 96, 427419A, 428336, 428472, C25D 544, C25D 530, B32B 1520
Patent
active
041117638
ABSTRACT:
The invention relates to a method for preparing aluminum and aluminum alloy objects for plating which results in an article which exhibits improved corrosion resistant characteristics. The process includes anodizing the aluminum object in an acid bath, placing the anodized object in contact with a chemical which impregnates and is absorbed by the oxidized crystalline surface and finally exposing the treated aluminum object to heat so that the impregnating chemical is pyrolyzed to form an electronically conductive oxide thereby permitting the plating process while preserving an anodic coating of high ionic resistance.
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Ansher Harold
Bachman Robert H.
LaPointe Gregory P.
Swiss Aluminium Ltd.
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