Title:
SURFACE-TREATED STEEL PLATE
Document Type and Number:
WIPO Patent Application WO/2019/225765
Kind Code:
A1
Abstract:
The present invention pertains to a surface-treated steel plate characterized by: having a steel plate, a Zn alloy plating layer formed on at least one surface of the steel plate, and a coating film including an anti-rust agent and a binder resin, formed upon the Zn alloy plating layer; and the concentration of the anti-rust agent in the coating film, at a position 10 nm from the interface of the Zn alloy plating layer and the coating film, being 1.5–5.0 times the average concentration of the anti-rust agent in the coating film.
Inventors:
SHIBAO FUMIO (JP)
HIRAI AKIKO (JP)
TOSHIN KUNIHIKO (JP)
KAWAMURA YASUAKI (JP)
UEDA KOHEI (JP)
HIRAI AKIKO (JP)
TOSHIN KUNIHIKO (JP)
KAWAMURA YASUAKI (JP)
UEDA KOHEI (JP)
Application Number:
PCT/JP2019/020945
Publication Date:
November 28, 2019
Filing Date:
May 27, 2019
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
B32B15/08; B32B27/18; B32B27/20; C23C2/06; C23C2/12; C23C22/06; C23C26/00; C23C28/00
Domestic Patent References:
| WO2017164234A1 | 2017-09-28 |
Foreign References:
| JP2011179057A | 2011-09-15 | |||
| JP2012067369A | 2012-04-05 | |||
| JP2006159435A | 2006-06-22 | |||
| JP2003118033A | 2003-04-23 | |||
| JP2004082120A | 2004-03-18 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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