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    • 10. 发明申请
    • METHOD FOR PASSIVATING TINPLATE
    • 钝化马口铁方法
    • WO2013104530A3
    • 2014-05-30
    • PCT/EP2012077108
    • 2012-12-31
    • THYSSENKRUPP RASSELSTEIN GMBH
    • SAUER REINERMARMANN ANDREAOBERHOFFER HELMUTKASDORF TATJANA
    • C25D11/34C25D5/48
    • C25D11/34C25D5/48Y10T428/12611
    • The invention relates to a method for passivating the surface of a tinned steel strip which is moved through a coating system at a strip speed of at least 200 m/min. After the steel strip is tinned, the surface is anodically oxidized, and a liquid solution of a chromium-free aftertreatment agent is applied onto the oxide layer. The invention further relates to a tinned steel strip or sheet with a support layer made of a fine or ultrafine sheet of steel, a tin layer which is deposited thereon, and a surface layer of a chromium-free aftertreatment agent. An oxide layer is formed between the tin layer and the surface layer of the aftertreatment agent, said oxide layer substantially consisting of tetravalent tin oxide (SnO2).
    • 本发明涉及一种方法,用于钝化,其在至少200m的线速度移动,镀锡钢带的表面/分钟通过涂覆设备,其中所述表面是钢带的镀锡之后和所述氧化物层的无铬后处理剂的液体溶液阳极氧化 应用。 本发明还涉及一种镀锡钢条或片具有由细或钢的黑钢板的载体层,其上的锡层和无铬后处理剂的表面层沉积,其中,在所述锡层和后处理剂的表面层,它基本上之间形成的氧化物层 由氧化四价锡(SnO 2)组成。