COATED STEEL SHEET, WORKS, PANELS FOR THIN TELEVISIONS AND PROCESS FOR PRODUCTION OF COATED STEEL SHEET

Title:

COATED STEEL SHEET, WORKS, PANELS FOR THIN TELEVISIONS AND PROCESS FOR PRODUCTION OF COATED STEEL SHEET

Document Type and Number:

WIPO Patent Application WO/2007/102593

Kind Code:

A1

Abstract:

A coated steel sheet which is excellent in bending properties, press working properties, tight adhesion of coating film after working, solvent resistance, chemical resistance, stain resistance, weather resistance, electrical conductivity and corrosion resistance and which has excellent surface appearance and satisfactory hardness of coating film, more specifically, a steel sheet which is characterized in that the both sides of the sheet are each covered with a zinc plating layer and a chromium-free chemical conversion coating formed successively and the chemical conversion coating on either of the sides of the sheet is further covered with a single coating film comprising both a polyester resin cured with a crosslinking agent and resin particles having a mean particle diameter of 3 to 40μm, a glass transition temperature of 70 to 200°C and a hardness higher than that of the polyester resin.

Inventors:

OGATA HIROYUKI (JP)
TADA CHIYOKO (JP)
NISHIYAMA NAOKI (JP)
FUJIBAYASHI NOBUE (JP)

Application Number:

PCT/JP2007/054596

Publication Date:

September 13, 2007

Filing Date:

March 02, 2007

Export Citation:

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Assignee:

JFE STEEL CORP (JP)
OGATA HIROYUKI (JP)
TADA CHIYOKO (JP)
NISHIYAMA NAOKI (JP)
FUJIBAYASHI NOBUE (JP)

International Classes:

B32B15/09; B05D7/14; B05D7/24; C09D5/00; C09D7/12; C09D163/00; C09D167/00; C09D175/06; C23C28/00

Foreign References:

JP2006002171A	2006-01-05
JPH0985881A	1997-03-31
JP2003025497A	2003-01-29
JP2001191448A	2001-07-17
JP2004034591A	2004-02-05
JP2000178758A	2000-06-27

Other References: