Verfahren zur Beschichtung passivierter metallischer Oberflächen aus Chrom von Bauteilen sowie derart beschichtetes Bauteil und Verwendung des Verfahrens

摘要

Method for coating passivated smooth or structured chromium surfaces on articles comprises: (A) activating the passivated surface by sputtering; and (B) coating the surface with a siloxane-containing sol to form a gel. An independent claim is included for articles with a water- and dirt-repelling gel coating on a chromium surface which are produced using the method.