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Title:
AQUEOUS COATING AGENT FOR STEEL MATERIAL, COATING FILM, STEEL MATERIAL COATING METHOD, AND STEEL MATERIAL
Document Type and Number:
WIPO Patent Application WO/2022/085519
Kind Code:
A1
Abstract:
This aqueous coating agent for steel material contains polyurethane resin particles (A-1), ethylene-unsaturated carboxylic acid copolymerized resin particles (A-2), silicon oxide particles (B) having a mode diameter of 5-20 nm, an organic titanium compound (C), and a phthalocyanine pigment (F) coated with a resin and/or a surfactant. The phthalocyanine pigment (F) is contained in an amount of 0.01-10 parts by mass with respect to 100 parts by mass of the total of the resin particles (A-1) and the resin particles (A-2), and has a primary particle diameter of 0.01-1.0 μm.

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Inventors:
TOBA TETSUYA (JP)
TOSHIN KUNIHIKO (JP)
MORISHITA ATSUSHI (JP)
SASAKI MOTOHIRO (JP)
Application Number:
PCT/JP2021/037749
Publication Date:
April 28, 2022
Filing Date:
October 12, 2021
Export Citation:
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Assignee:
NIPPON STEEL CORP (JP)
NIPPON PAINT SURF CHEMICALS CO LTD (JP)
International Classes:
C09D7/41; C09D5/08; C09D7/61; C09D7/63; C09D123/08; C09D133/02; C09D175/04; C23C26/00
Domestic Patent References:
WO2007144951A12007-12-21
WO2015152187A12015-10-08
Foreign References:
JP2009144208A2009-07-02
JP2012117108A2012-06-21
JP2012057179A2012-03-22
JP2013136710A2013-07-11
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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