Invention Grant
US08715837B2 Black-coated steel sheet, worked material, and panel for flat-panel television
有权
黑色涂层钢板,加工材料和平板电视机面板
- Patent Title: Black-coated steel sheet, worked material, and panel for flat-panel television
- Patent Title (中): 黑色涂层钢板,加工材料和平板电视机面板
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Application No.: US13061981Application Date: 2009-09-08
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Publication No.: US08715837B2Publication Date: 2014-05-06
- Inventor: Chiyoko Tada , Hiroyuki Ogata
- Applicant: Chiyoko Tada , Hiroyuki Ogata
- Applicant Address: JP
- Assignee: JFE Steel Corporation
- Current Assignee: JFE Steel Corporation
- Current Assignee Address: JP
- Agency: DLA Piper LLP (US)
- Priority: JP2008-231225 20080909
- International Application: PCT/JP2009/065982 WO 20090908
- International Announcement: WO2010/030022 WO 20100318
- Main IPC: B32B15/04
- IPC: B32B15/04 ; B32B15/08 ; B32B15/09 ; B32B15/18

Abstract:
A black-coated steel sheet exhibits good bendability and a good appearance after press working is provided. Zinc based plating layers, a chromium-free chemical conversion coating disposed on the zinc based plating layer, and a colored single organic coating which is disposed on the chemical conversion coating and which contains a polyester resin having a hydroxyl value of 10 KOHmg/g or more, an imino-containing melamine resin, and 5 to 15 percent by mass of carbon black are included, wherein the glass transition temperature (Tg) of the organic coating is 40° C. or higher, the film thickness is 10 μm or less, and the hardness is 200 N/mm2 or more.
Public/Granted literature
- US20110217565A1 BLACK-COATED STEEL SHEET, WORKED MATERIAL, AND PANEL FOR FLAT-PANEL TELEVISION Public/Granted day:2011-09-08
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