Title:
COATED METAL SHEET
Document Type and Number:
WIPO Patent Application WO/2024/034607
Kind Code:
A1
Abstract:
[Problem] To provide a coated metal sheet which can be produced in a simpler manner, can further improve an anti-viral function, and has durability. [Solution] The present invention relates to a coated metal sheet having a metal sheet and a coating layer located on at least one surface of the metal sheet, in which the metal sheet has a zinc-containing metal layer containing at least zinc on at least one surface thereof, and also has, as the coating layer, a first coating layer located on the outermost surface of the coated metal sheet and containing at least a compound having a photocatalytic activity, the average thickness of the first coating layer is 0.05 to 5.00 μm, the total thickness from the surface of the zinc-containing metal layer to the outermost surface of the first coating layer is 15.00 μm or less, and the concentration of zinc ions eluted into a virus-containing solution is 0.60 to 5.00% by mass when the anti-virus test prescribed in JIS R1756:2020 is performed for 4 hours.
Inventors:
SHIBAO FUMIO (JP)
Application Number:
PCT/JP2023/028922
Publication Date:
February 15, 2024
Filing Date:
August 08, 2023
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
B32B15/08; B32B15/01; C23C28/00
Foreign References:
| JP2014004829A | 2014-01-16 | |||
| JP2012215347A | 2012-11-08 | |||
| JP2013244613A | 2013-12-09 | |||
| JP2005218978A | 2005-08-18 | |||
| JP2010036172A | 2010-02-18 | |||
| KR20190051109A | 2019-05-15 | |||
| JP2023053557A | 2023-04-13 | |||
| JP2022060137A | 2022-04-14 | |||
| CN103538316A | 2014-01-29 | |||
| JP2001199004A | 2001-07-24 | |||
| JP2000202939A | 2000-07-25 | |||
| JP2004050689A | 2004-02-19 |
Attorney, Agent or Firm:
HAGIWARA, Yasushi et al. (JP)
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