PLATED PRODUCT, METHOD OF MANUFACTURING PLATED PRODUCT AND PLATING SOLUTION

• Main Authors: NARITA SHOTA, KON ICHIRO, CHIBA SHINICHIRO, KUDO MAI, SHIINA SHIZUKO, MIKAMI NORIHIDE, SHIINA KEISUKE
• Format: Patent
• Language: English; Japanese
• Published: 31.05.2023
• Subjects: CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; METALLURGY; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION

To improve antifungal properties without costing much to improve versatility.SOLUTION: A method of manufacturing a plated product M which has a surface of its base material W coated with a black film S comprises a plating treatment process of dipping the base material W in a plating solution and performing an electroless plating treatment to coat the base material with the film S, and an oxidation treatment process of performing an oxidation treatment on the film S with an acid solution after the plating treatment process to blacken a surface of the film S, wherein the plating solution used for the plating treatment process includes metal salt of plating metal, a reducer and a complexing agent, nickel salt and cobalt salt are used as the metal salt, and hypophosphite is used as the reducer.SELECTED DRAWING: Figure 1 【課題】 高価になることなく抗菌性を向上させ、汎用性の向上を図る。【解決手段】 母材Ｗをめっき液に浸漬し無電解めっき処理を行って被膜Ｓを被覆するめっき処理工程と、めっき処理工程後に被膜Ｓに対して酸溶液により酸化処理して被膜Ｓの表面を黒色にする酸化処理工程とを備え、母材Ｗに表面が黒色の被膜Ｓが被覆されためっき製品Ｍを製造するめっき製品Ｍの製造方法において、めっき処理工程で使用するめっき液を、めっき金属の金属塩，還元剤及び錯化剤を含んで構成し、金属塩としてニッケル塩とコバルト塩とを用い、還元剤として次亜リン酸塩を用いて構成した。【選択図】 図１