公开(公告)号：EP2578727A4

公开(公告)日：2016-07-20

申请号：EP11786744

申请日：2011-05-27

申请人： TOYO SEIKAN KAISHA LTD ,  NIPPON PAINT CO LTD ,  TOYO KOHAN CO LTD

发明人： KUROKAWA WATARU ,  KANAZAWA SEITARO ,  TAYA SHINICHI ,  YOSHIMURA KUNIHIRO ,  IIDA NAOMI ,  IIDA MIWA ,  MATSUKAWA MASAHIKO

IPC分类号： C25D9/10 ,  B32B15/04 ,  B32B15/08 ,  B32B15/082 ,  B65D8/16 ,  C25D5/50 ,  C25D9/02 ,  C25D21/14 ,  C25D21/18

CPC分类号： C25D3/32 ,  B32B15/04 ,  B32B15/08 ,  B32B15/082 ,  B32B2439/40 ,  C25D5/505 ,  C25D9/10 ,  C25D21/14 ,  C25D21/18 ,  Y10T428/12569 ,  Y10T428/1259 ,  Y10T428/12618 ,  Y10T428/12722 ,  Y10T428/12806 ,  Y10T428/12972

摘要： [Problems] To provide a bath for surface treatment capable of forming a surface-treating film having excellent corrosion resistance by a high-speed electrolytic treatment, and a method of producing a surface-treated steel plate having excellent corrosion resistance and closely adhering property to the coating maintaining good productivity. [Means for Solution] A bath for surface treatment used for forming a surface-treating film on the surface of a steel plate by cathodic electrolysis, the bath for surface treatment containing Zr and/or Ti, and a polycarboxylic acid. [Selected Drawing] None