Invention Grant
- Patent Title: Surface-treatment agent, method for producing coated steel sheet using the surface-treatment agent, and coated steel sheet
- Patent Title (中): 表面处理剂，使用表面处理剂的涂布钢板的制造方法以及涂布钢板
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Application No.: US13260638Application Date: 2010-03-31
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Publication No.: US08648135B2Publication Date: 2014-02-11
- Inventor: Nobue Fujibayashi , Satoru Ando
- Applicant: Nobue Fujibayashi , Satoru Ando
- Applicant Address: JP
- Assignee: JFE Steel Corporation
- Current Assignee: JFE Steel Corporation
- Current Assignee Address: JP
- Agency: DLA Piper LLP (US)
- Priority: JP2009-088410 20090331
- International Application: PCT/JP2010/056280 WO 20100331
- International Announcement: WO2010/114171 WO 20101007
- Main IPC: C09D175/04
- IPC: C09D175/04
Abstract:
A surface-treatment agent contains a resin compound having a specific bisphenol skeleton, a cationic urethane resin emulsion, a silane coupling agent, an organic titanium chelate compound, a tetravalent vanadyl compound, and water, with predetermined proportions and having a pH of 4 to 5; a method for producing a coated steel sheet using the surface-treatment agent; and a coated steel sheet.
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