Title:
TIN-PLATED STEEL SHEET AND CAN
Document Type and Number:
WIPO Patent Application WO/2023/243717
Kind Code:
A1
Abstract:
Provided is a tin-plated steel sheet having superior yellowing resistance without conventional chromate treatment, wherein the steel sheet is used for containers and has a zirconium-containing film layer. The tin-plated steel sheet comprises: a steel sheet; a tin-plating layer disposed on at least one surface of the steel sheet; and a film layer that is disposed on the tin-plating layer and contains zirconium oxide and tin sulfide, wherein the plating amount of the tin-plating layer is 0.1 g/m2 to 15 g/m2 in terms of metal Sn content, and in the film layer, the plating amount of zirconium oxide is 0.2 mg/m2 to 50 mg/m2 in terms of metal Zr content and the plating amount of tin sulfide is 0.1 mg/m2 to 5 mg/m2 in terms of sulfur content.
Inventors:
YAMANAKA SHINTARO (JP)
KAWABATA MAKOTO (JP)
ANDO HIROAKI (JP)
SATO YASUHIKO (JP)
NOGUCHI KOICHI (JP)
JINNO AKIHIRO (JP)
KAWABATA MAKOTO (JP)
ANDO HIROAKI (JP)
SATO YASUHIKO (JP)
NOGUCHI KOICHI (JP)
JINNO AKIHIRO (JP)
Application Number:
PCT/JP2023/022424
Publication Date:
December 21, 2023
Filing Date:
June 16, 2023
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
C25D9/08; C23C28/00
Domestic Patent References:
| WO2017018286A1 | 2017-02-02 | |||
| WO2019168179A1 | 2019-09-06 |
Foreign References:
| JP2001240979A | 2001-09-04 | |||
| JPS524435A | 1977-01-13 | |||
| JP2006124751A | 2006-05-18 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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