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Title:
SN-PLATED STEEL SHEET AND METHOD FOR MANUFACTURING SN-PLATED STEEL SHEET
Document Type and Number:
WIPO Patent Application WO/2019/168179
Kind Code:
A1
Abstract:
This Sn-plated steel sheet is provided with: a base material plated steel sheet which has a steel sheet and a Sn-plated layer disposed on at least one surface of the steel sheet; and a coating layer which is disposed on the base material plated steel sheet and which comprises zirconium oxide and tin oxide. In this Sn-plated steel sheet, the deposition amount of Sn in one surface thereof is 0.1-15 g/m2, the amount of the zirconium oxide contained in the coating layer falls within a range of 1-30 mg/m2 in terms of the amount of metallic zirconium, the peak position of binding energy of Sn3d5/ 2 as measured by X-ray photoelectron spectroscopy with respect to the tin oxide in the coating layer falls within a range of not less than 1.4 eV but less than 1.6 eV with respect to the peak position of binding energy of metallic Sn, and the amount of electricity required for reduction of the tin oxide falls within a range of more than 5.0 mC/cm2 but not more than 20 mC/cm2.

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Inventors:
YAMANAKA SHINTARO (JP)
NODA MASAKAZU (JP)
SATO YASUHIKO (JP)
NAKASONE NOBUO (JP)
Application Number:
PCT/JP2019/008222
Publication Date:
September 06, 2019
Filing Date:
March 01, 2019
Export Citation:
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Assignee:
NIPPON STEEL CORP (JP)
International Classes:
C23C28/00; C25D9/08
Domestic Patent References:
WO2017204265A12017-11-30
WO2008123632A12008-10-16
WO2015001598A12015-01-08
Foreign References:
JP2018036587A2018-03-08
JP2004060052A2004-02-26
JP2011174172A2011-09-08
JPS63290292A1988-11-28
JP2007284789A2007-11-01
JP2010013728A2010-01-21
Other References:
"Surface Analysis Chemistry Selection: X-ray Photoelectron Spectroscopy", MARUZEN PUBLISHING CO., LTD., pages: 83
See also references of EP 3760763A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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