To provide a black plated resin component having a black chromium plated layer composed of trivalent chromium that is not yellowish.SOLUTION: A black plated resin component is provided that includes a resin base material, a base plating layer formed on the resin base material and a black chromium plating layer which is composed of trivalent chromium formed on the base plating layer and has a film thickness of 0.15 μm or more. The chromium in the black chromium plating layer is present in states of metallic chromium, chromium oxide and chromium hydroxide, and b* in a L*a*b* color system of the black chromium plating layer measured from the surface region side is 3.0 or less.SELECTED DRAWING: Figure 2
【課題】黄味がかりのない3価クロムよりなる黒色クロムめっき層を備えた黒色めっき樹脂部品を提供する。【解決手段】樹脂基材と、樹脂基材上に形成された下地めっき層と、下地めっき層上に形成された3価クロムよりなる膜厚0.15μm以上の黒色クロムめっき層とを含む黒色クロムめっき樹脂部品において、黒色クロムめっき層中のクロムは金属クロムと酸化クロムと水酸化クロムの状態で存在し、表面領域側から測定した黒色クロムめっき層のL*a*b*表色系におけるb*が3.0以下である。【選択図】図2
BLACK PLATED RESIN COMPONENT
黒色めっき樹脂部品
2021-04-30
Patent
Elektronische Ressource
Japanisch
IPC: | B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / C23C Beschichten metallischer Werkstoffe , COATING METALLIC MATERIAL / C25D Verfahren für die elektrolytische oder elektrophoretische Herstellung von Überzügen , PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS |
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