In a method for coating motor vehicle wheel rims, a polymer priming layer, a polymer intermediate layer, a decorative layer of a heat-cured polymer layer with embedded flake-like metal pigments covering the visible surface of the decorative layer, and a polymer cover layer are consecutively applied to the wheel rim metal surface. The coated wheel rims achieve a polished metal appearance by producing the polymer intermediate layer with a high-gloss surface and applying the decorative layer to the high-gloss surface of the polymer intermediate layer in the wet spraying method with a layer thickness of max. 2 μm, where it is dried at ambient temperature and, before applying the polymer cover layer, it is fixed to the polymer intermediate layer via a thermal post-treatment so that it adheres to the surface thereof with a cross-cut pull-off strength of Gt=0 to Gt=2.
VERFAHREN ZUM BESCHICHTEN VON KFZ-FELGEN
METHOD FOR COATING MOTOR VEHICLE WHEEL RIMS
PROCÉDÉ DE REVÊTEMENT DE JANTES DE VÉHICULE AUTOMOBILE
2020-08-26
Patent
Electronic Resource
German
IPC: | B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL , Verfahren zum Aufbringen von Flüssigkeiten oder von anderen fließfähigen Stoffen auf Oberflächen allgemein / B60B VEHICLE WHEELS , Räder für Fahrzeuge / C09D Überzugsmittel, z.B. Anstrichstoffe, Firnisse oder Lacke , COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS |
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