Title:
COATED STEEL SHEET
Document Type and Number:
WIPO Patent Application WO/2007/144951
Kind Code:
A1
Abstract:
Provided is a coated steel sheet which is improved in tape peeling resistance, solvent resistance, alkali resistance, abrasion resistance, etc. The coated steel sheet coated with a composite coating is characterized in that the composite coating comprises a composite resin (A) containing polyurethane resin particles (A-1) and ethylene-unsaturated carboxylic acid copolymer resin particles (A-2) in an mass ratio of 20:80 to 90:10, wherein respective resin particles have an average particle diameter of 20 to 100 nm and have a silanol group and/or an alkoxysilyl group, and further containing silicon oxide particles (A-3) having an average particle diameter of 5 to 20 nm and an organic titanium compound (A-4); polyolefine wax particles (B) having an average particle diameter of 0.5 to 4 μm and a softening point of 100 to 140˚C; and silicon oxide particles (C) having an average particle diameter of 70 to 200 nm, and in that the amount of the coating is 0.5 to 3 g/m2.
Inventors:
SASAKI MOTOHIRO (JP)
KAROJI JUNPEI (JP)
SAITO KOICHI (JP)
MORISHITA ATSUSHI (JP)
TAKAHASHI AKIRA (JP)
KANAI HIROSHI (JP)
FUDA MASAHIRO (JP)
KAROJI JUNPEI (JP)
SAITO KOICHI (JP)
MORISHITA ATSUSHI (JP)
TAKAHASHI AKIRA (JP)
KANAI HIROSHI (JP)
FUDA MASAHIRO (JP)
Application Number:
PCT/JP2006/312055
Publication Date:
December 21, 2007
Filing Date:
June 15, 2006
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
NIPPON PAINT CO LTD (JP)
SASAKI MOTOHIRO (JP)
KAROJI JUNPEI (JP)
SAITO KOICHI (JP)
MORISHITA ATSUSHI (JP)
TAKAHASHI AKIRA (JP)
KANAI HIROSHI (JP)
FUDA MASAHIRO (JP)
NIPPON PAINT CO LTD (JP)
SASAKI MOTOHIRO (JP)
KAROJI JUNPEI (JP)
SAITO KOICHI (JP)
MORISHITA ATSUSHI (JP)
TAKAHASHI AKIRA (JP)
KANAI HIROSHI (JP)
FUDA MASAHIRO (JP)
International Classes:
C23C26/00; C09D123/26; C09D175/04
Foreign References:
| JP2005281863A | 2005-10-13 | |||
| JP2005199673A | 2005-07-28 | |||
| JP2005048199A | 2005-02-24 | |||
| JPH11268178A | 1999-10-05 | |||
| JP2001164182A | 2001-06-19 | |||
| JP2001199003A | 2001-07-24 | |||
| JP2001214283A | 2001-08-07 | |||
| JP2003049281A | 2003-02-21 | |||
| JP2003105555A | 2003-04-09 | |||
| JP2005281863A | 2005-10-13 | |||
| JP2001288582A | 2001-10-19 | |||
| JPH06321543A | 1994-11-22 | |||
| JPH08143314A | 1996-06-04 | |||
| JPH08325018A | 1996-12-10 |
Other References:
See also references of EP 2034050A4
Attorney, Agent or Firm:
YASUTOMI, Yasuo et al. (5-36 Miyahara 3-chome, Yodogawa-k, Osaka-shi Osaka 03, JP)
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