METHOD FOR CHEMICAL POLISH FOR METAL PIECES
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United States of America Patent
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Nov 24, 2022
app pub date -
Jul 21, 2020
filing date -
Jul 21, 2020
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Abstract
A method for chemically polishing a metal surface within a metal-polymer composite, where the composite includes at least one metal part and at least one part made of a polymer composition, the method including the step of: (i) contacting the surface of at least one metal part at least partially with an aqueous solution including an oxidizing agent and an alkaline agent, at a temperature and for a duration sufficient to obtain a shiny metal surface. Also a metal-polymer composite that includes at least one part made of a polymer composition and at least one chemically polished metal part and that is obtainable by the method and to a product including the metal-polymer composite.
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