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    • 9. 发明申请
    • Metal material coated with metal oxide and/or metal hydroxide coating film and method for production thereof
    • 用金属氧化物和/或金属氢氧化物涂膜涂覆的金属材料及其制造方法
    • US20050067056A1
    • 2005-03-31
    • US10497616
    • 2002-12-03
    • Hiromasa ShojiTsutomu Sugiura
    • Hiromasa ShojiTsutomu Sugiura
    • C23C22/34C23C22/68C25D9/04
    • C25D9/04C23C22/34C23C22/68
    • It is an object of the invention to provide a method for production of various oxide and/or hydroxide coatings with various functions and constructions on metal materials from aqueous solutions, and metal materials having such coatings. There are provided specifically a method for production of a metal oxide and/or metal hydroxide coated metal material characterized by immersing a metal material or electrolyzing a conductive material in an aqueous treatment solution at pH 2-7 containing metal ion and fluorine ion in a 4-fold molar ratio with respect to the metal ion, and/or containing a complex ion comprising at least a metal and fluorine in a 4-fold molar ratio with respect to the metal, to form on the surface of the metal material a metal oxide and/or metal hydroxide coating containing the metal ion, as well as a metal oxide and/or metal hydroxide coated metal material characterized by having a metal oxide and/or metal hydroxide coating produced by the method.
    • 本发明的一个目的是提供一种用于生产具有各种功能和结构的各种氧化物和/或氢氧化物涂层的方法,所述氧化物和/或氢氧化物涂层具有在水溶液中的金属材料和具有这种涂层的金属材料。 特别提供一种金属氧化物和/或金属氢氧化物涂覆的金属材料的制造方法,其特征在于,在金属离子和氟离子的pH为2-7的水溶液中浸渍金属材料或电解导电材料, 相对于金属离子重量的摩尔比,和/或含有相对于金属为4倍摩尔比的至少包含金属和氟的复合离子,在金属材料的表面上形成金属氧化物 和/或包含金属离子的金属氢氧化物涂层,以及金属氧化物和/或金属氢氧化物涂覆的金属材料,其特征在于具有通过该方法制备的金属氧化物和/或金属氢氧化物涂层。