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    Process for producing metal substrate with multilayer film, metal substrate with multilayer film obtained by the process, and coated article
    3.
    发明专利
    Process for producing metal substrate with multilayer film, metal substrate with multilayer film obtained by the process, and coated article 有权
    用多层薄膜生产金属基材的方法，具有多层膜的金属基材和方法

    公开(公告)号：JP2009174049A

    公开(公告)日：2009-08-06

    申请号：JP2008324726

    申请日：2008-12-19

    申请人： Kansai Paint Co Ltd ,  関西ペイント株式会社

    发明人： KUBOTA KENTARO

    IPC分类号： C23C28/00 ,  B05D7/14 ,  C25D9/08 ,  C25D13/20

    CPC分类号： C23C22/362 ,  C23C22/83 ,  C25D3/54 ,  C25D5/36 ,  C25D5/48 ,  Y10T428/31678

    摘要： PROBLEM TO BE SOLVED: To find a process for forming a multilayer film that has excellent corrosion resistance, in particular, weathering corrosion resistance, and to provide a coated article having a film with such excellent properties. SOLUTION: Specifically, the process for producing a metal substrate with a multilayer film comprises immersing the metal substrate in an aqueous bismuth compound solution (A) and applying an electric current between the metal substrate and an electrode to thereby form a coating film (F1) on the metal substrate; and then applying a coating composition (B) on the coating film (F1) to form a coating film (F2). COPYRIGHT: (C)2009,JPO&INPIT

    摘要翻译： 要解决的问题：为了找到具有优异的耐腐蚀性，特别是耐候性腐蚀性的多层膜的形成方法，并提供具有这样优异性能的膜的涂布制品。 具体地说，具有多层膜的金属基板的制造方法包括将金属基材浸渍在铋化合物水溶液（A）中，并在金属基板和电极之间施加电流从而形成涂膜 （F1）在金属基板上; 然后在涂膜（F1）上涂布涂料组合物（B）以形成涂膜（F2）。 版权所有（C）2009，JPO＆INPIT

    Composition for forming zinc phosphate film on metallic surface
    4.
    发明专利
    Composition for forming zinc phosphate film on metallic surface 失效
    在金属表面形成锌磷酸盐膜的组合物

    公开(公告)号：JPS59133375A

    公开(公告)日：1984-07-31

    申请号：JP22894383

    申请日：1983-12-03

    申请人： Nippon Paint Co Ltd

    发明人： YASUHARA KIYOTADA ,  TAKAHASHI MASASHI ,  MURAKAMI RIYOUICHI ,  SENZAKI TAKASHI

    IPC分类号： C25D13/20 ,  C23C22/13 ,  C23C22/14 ,  C23C22/36

    CPC分类号： C23C22/362

    摘要： PURPOSE:To form a zinc phosphate film having superior properties as an underlayer for coating by cationic electrodeposition by adding fluoride complex ions at a specified concn. to an acidic aqueous composition contg. phosphate ions and zinc ions as principal components for forming a zinc phosphate film. CONSTITUTION:When a metallic surface is coated with a film having high corrosion resistance by cationic electrodeposition, a zinc phosphate film is formed as an underlayer for coating. An acidic aqueous composition contg. 0.08-0.20% zinc ions, 0.8-3.0% phosphate ions, 0.05-0.35% chlorate ions, 0.001-0.10% nitrite ions, 0.3-0.8% nitrate ions, and fluoride complex ions such as borofluoride ions is used as an acidic aqueous composition for forming a zinc phosphate film. The concn. (y) of the fluoride complex ions is 0.4>=y>=63x-0.042 [where x is the concn. (%) of Zn ions]. To the composition may be added >=0.005% Ni ions. A zinc phosphate film having superior adhesive strength to a paint film and superior corrosion resistance after coating can be formed.

    摘要翻译： 目的：通过在规定的浓度下加入氟化物络合离子形成具有优异性能的磷酸锌膜作为通过阳离子电沉积涂覆的底层。 酸性水性组合物 磷酸根离子和锌离子作为形成磷酸锌膜的主要成分。 构成：当金属表面通过阳离子电沉积涂覆有高耐腐蚀性的膜时，形成磷酸锌膜作为用于涂覆的底层。 酸性水性组合物 使用0.08-0.20％锌离子，0.8-3.0％磷酸根离子，0.05-0.35％氯酸根离子，0.001-0.10％亚硝酸根离子，0.3-0.8％硝酸根离子和氟化物配合离子如氟硼酸离子作为酸性水性组合物 用于形成磷酸锌膜。 浓浓的 氟离子配合离子的（y）为0.4> = y> = 63x-0.042 [其中x为浓度 （％）Zn离子]。 可以添加≥0.005％的Ni离子。 可以形成具有优异的漆膜粘合强度的磷酸锌膜和涂布后的优异的耐腐蚀性。