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    MANUFACTURING METHOD OF SURFACE-TREATED ZINC-NICKEL ALLOY ELECTROPLATED STEEL SHEET HAVING EXCELLENT CORROSION RESISTIVITY AND PAINTABILITY
    2.
    发明公开
    MANUFACTURING METHOD OF SURFACE-TREATED ZINC-NICKEL ALLOY ELECTROPLATED STEEL SHEET HAVING EXCELLENT CORROSION RESISTIVITY AND PAINTABILITY 审中-公开

    公开(公告)号：EP3819407A1

    公开(公告)日：2021-05-12

    申请号：EP19830914.8

    申请日：2019-06-28

    申请人： POSCO

    发明人： LEE, Kang-Min ,  YOO, Hye-Jin ,  BAEK, Je-Hoon ,  BYEON, Chang-Se ,  KIM, Jung-Su

    IPC分类号： C25D5/48 ,  C25F3/02 ,  C25D3/56

    摘要： The present invention provides a manufacturing method of a surface-treated Zn-Ni alloy electroplated steel sheet, the method comprising the steps of: preparing a Zn-Ni alloy electroplated steel sheet including a steel sheet and a Zn-Ni alloy-plated layer with an Ni content of 5-20 wt% (S1); preparing an alkali electrolyte solution in which 4-250 g/L of potassium hydroxide (KOH) or sodium hydroxide (NaOH) or both combined are added in distilled water (S2); and inside the alkali electrolyte solution, placing the Zn-Ni alloy electroplated steel sheet as a positive electrode and installing another metal sheet as a negative electrode, and applying 2-10 V of an alternating or direct current to conductor electrochemical etching such that a 3-point average value of the arithmetic average roughness (Ra) of the surface of the Zn-Ni alloy electroplated steel sheet reaches 200-400 nm, thereby producing a surface-treated electroplated steel sheet (S3) .

    SURFACE ELECTROLYTIC TREATMENT METHOD FOR CLOTHING ACCESSORY COMPONENTS, CLOTHING ACCESSORIES, AND PRODUCTION METHOD THEREFOR
    5.
    发明公开
    SURFACE ELECTROLYTIC TREATMENT METHOD FOR CLOTHING ACCESSORY COMPONENTS, CLOTHING ACCESSORIES, AND PRODUCTION METHOD THEREFOR 审中-公开
    用于服装附件，服装附件及其生产方法的表面电解处理方法

    公开(公告)号：EP3219831A1

    公开(公告)日：2017-09-20

    申请号：EP14906132.7

    申请日：2014-11-14

    申请人： YKK Corporation

    发明人： HASEGAWA,Kenji

    IPC分类号： C25D5/02 ,  C25F3/02

    CPC分类号： C25D5/022 ,  B24B1/002 ,  B24B1/005 ,  B24B31/112 ,  B24B31/14 ,  C25D5/00 ,  C25D5/026 ,  C25D5/18 ,  C25D5/22 ,  C25D7/00 ,  C25D7/02 ,  C25D17/00 ,  C25D17/12 ,  C25D17/22 ,  C25D21/10 ,  C25F3/02 ,  C25F3/20 ,  C25F3/24 ,  C25F7/00

    摘要： There is provided a method for subjecting garment accessories to a surface electrolytic treatment, which can advantageously provide various metallic colors to metallic garment accessories in a cost effective manner. The method can provide a first metallic color on one side of outer surface of the garment accessory while at the same time providing a second metallic color on the other side of the outer surface, by placing one or more metallic garment accessories in an electrolytic solution in a non-contact state with an anode and a cathode for passing electric current through the electrolytic solution, passing electric current through the electrolytic solution and generating a bipolar phenomenon on the garment accessory. The method may further comprise the step of controlling the posture of the garment accessory such that the one side of the outer surface of the garment accessory faces the anode and the other side faces the cathode during passing electric current through the electrolytic solution. The method may further comprise the step of polishing at least a part of the outer surface of the garment accessory during passing electric current through the electrolytic solution.

    摘要翻译： 提供了一种使服装附件经受表面电解处理的方法，该方法可以有利地以成本有效的方式向金属服装附件提供各种金属颜色。 该方法可以在服装附件的外表面的一侧上提供第一金属颜色，同时通过将一个或多个金属服装附件放置在外表面的另一侧上的电解溶液中而在外表面的另一侧上提供第二金属颜色 具有阳极和阴极的非接触状态，用于使电流流过电解溶液，使电流流过电解溶液并在服装附件上产生双极现象。 该方法可以进一步包括控制服装附件的姿势的步骤，使得在电流通过电解溶液的过程中，服装附件的外表面的一侧面向阳极并且另一侧面向阴极。 该方法还可以包括在电流通过电解溶液的过程中抛光服装辅助设备的外表面的至少一部分的步骤。

    METHOD FOR PRODUCING A METAL COATING
    7.
    发明授权
    METHOD FOR PRODUCING A METAL COATING 有权
    生产金属涂层的方法

    公开(公告)号：EP2859138B1

    公开(公告)日：2016-11-30

    申请号：EP13727175.5

    申请日：2013-06-06

    申请人： Onderzoekscentrum voor Aanwending van Staal N.V.

    发明人： DE STRYCKER, Joost Remi Margueritte ,  VERPOORT, Philippe Jose Gaston Hubert ,  DIAZ GONZALES, Eva ,  VAN DEN BERGH, Krista Godelieve Oscar ,  VAN DE COEVERING, Robbie

    IPC分类号： C25D5/10 ,  C25D5/34 ,  C25D5/36 ,  C25D3/66 ,  C25F3/02 ,  C25F3/06

    CPC分类号： C25D5/34 ,  C25D3/665 ,  C25D5/10 ,  C25D5/14 ,  C25D5/36 ,  C25F3/02 ,  C25F3/06 ,  Y10T428/12458

    摘要： The invention pertain to a method for electrochemical deposition of a metal coating on a metal substrate using an ionic liquid as the electrolyte, which substrate comprises a first metallic element which is the main component of said substrate and said coating being mainly composed of a coating material, said coating material comprising a second metallic element, which method comprises the steps of : - pretreating the substrate surface by subjecting the substrate to etching in an ionic liquid, which ionic liquid contains metal ions of the second metallic element, during said etching removing metal ions of the first metallic element from the substrate, which metal ions of the first metallic element after this removal are present in the ionic liquid, - depositing a transition layer by electrochemical deposition in said ionic liquid, which ionic liquid contains metal ions of the first metallic element that were removed from the substrate during the step of the etching and metal ions of the second metallic element, both the metal ions from the first metallic element and the metal ions of the second metallic element being incorporated in the deposited transition layer on the substrate, - depositing the coating on the transition layer by electrochemical deposition in an ionic liquid containing ions of the second metallic element.