- 专利标题： Method for producing surface-treated steel sheet, surface-treated steel sheet, and organic resin coated metal container
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申请号： US15032956申请日： 2014-08-20
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公开(公告)号： US10309028B2公开(公告)日： 2019-06-04
- 发明人: Kunihiro Yoshimura , Masanobu Matsubara , Marie Sasaki , Masahiko Matsukawa , Keisuke Yoshida , Wataru Kurokawa , Munemitsu Hirotsu , Mitsuhide Aihara
- 申请人： TOYO KOHAN CO., LTD. , NIPPON PAINT SURF CHEMICALS CO., LTD. , TOYO SEIKAN CO., LTD.
- 申请人地址： JP Tokyo JP Tokyo
- 专利权人： TOYO KOHAN CO., LTD.,TOYO SEIKAN CO., LTD.
- 当前专利权人： TOYO KOHAN CO., LTD.,TOYO SEIKAN CO., LTD.
- 当前专利权人地址： JP Tokyo JP Tokyo
- 代理机构： Muncy, Geissler, Olds & Lowe, P.C.
- 优先权： JP2013-226364 20131031
- 国际申请： PCT/JP2014/071728 WO 20140820
- 国际公布： WO2015/064186 WO 20150507
- 主分类号： C25D7/06
- IPC分类号： C25D7/06 ; C25D9/10 ; B32B15/01 ; C25D9/08 ; C25D5/12 ; C25D5/48 ; C25D5/50
摘要：
Provided is a method for producing a surface-treated steel sheet including the step of forming a layer mainly composed of an oxygen compound containing Al onto a tin-plated steel sheet by conducting cathode electrolytic treatment to the tin-plated steel sheet using an electrolytic treatment solution containing Al ions and nitrate ions. For the electrolytic treatment solution, an electrolytic treatment solution not containing F ions and where the amount of nitrate ions contained is 11,500 to 25,000 ppm by weight is used.
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