Coating systems, films, and articles with a metallic luster, and methods of manufacture and use thereof, are provided. The coating system comprises a first layer and a second layer disposed over at least a portion of the first layer. The first layer comprises a first film-forming resin and a first pigment. The CIELAB L* value of the first layer is no greater than 10. The second layer comprises a second film-forming resin, which is the same or different as the first film-forming resin, and a flake pigment. The contrast ratio of the second layer is no greater than 0.80. The coating system has a flop index of 19 or greater, such as, 20 or greater, 21 or greater, 22 or greater, 23 or greater, 24 or greater, 25 or greater, or 26 or greater.
COATING SYSTEMS, FILMS, AND ARTICLES FOR RADAR TRANSMISSION, METHODS OF MANUFACTURE AND USE THEREOF
2024-05-16
Patent
Electronic Resource
English
IPC: | C09D Überzugsmittel, z.B. Anstrichstoffe, Firnisse oder Lacke , COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS / 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 / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / C09C TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES , Behandlung von anorganischen Stoffen, außer von faserigen Füllstoffen, zum Erhöhen ihrer pigmentierenden oder füllenden Eigenschaften / G01S RADIO DIRECTION-FINDING , Funkpeilung |
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