Method for producing an inorganic cover layer on the surface of a product and panel-shaped or strip-shaped product

A method for generating an inorganic, colored cover layer on the surface of a product (strip, sheet metal, panel) having a base material made of copper or a copper alloy, using a reactive chemical that forms metal salts. While degreasing the surface of the base material of the product, a preoxidatio...

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1. Verfasser: HOVELING STEFAN
Format: Patent
Sprache:eng
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Zusammenfassung:A method for generating an inorganic, colored cover layer on the surface of a product (strip, sheet metal, panel) having a base material made of copper or a copper alloy, using a reactive chemical that forms metal salts. While degreasing the surface of the base material of the product, a preoxidation layer is generated that is made of oxides of the base material. The preoxidation layer is then wet film-like by the reactive chemical that forms metal salts. For this, patterned application rolls may be used.