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Title:
COATING MATERIAL FOR FORMING PHOTOCATALYST/TITANIUM OXIDE COMPOSITE FILM
Document Type and Number:
WIPO Patent Application WO/2004/069946
Kind Code:
A1
Abstract:
A coating material for forming a photocatalyst/titanium oxide composite film, characterized by comprising (A) an aqueous peroxotitanic acid solution obtained by mixing at least one titanium compound selected from the group consisting of a hydrolyzable titanium compound, a low condensate of a hydrolyzable titanium compound, titanium hydroxide, and a low condensate of titanium hydroxide with an aqueous hydrogen peroxide solution and (B) fine particles obtained by mixing 100 parts by weight of fine semiconductor particles having photocatalytic activity with 0.5 to 10 parts by weight, on a solid basis, of the aqueous peroxotitanic acid solution (A) and drying the mixture with heating to coat the surface of the semiconductor particles with a titanium oxide film having hydroxytitanium groups.

Inventors:
KOGURE HIDEO (JP)
Application Number:
PCT/JP2004/001366
Publication Date:
August 19, 2004
Filing Date:
February 10, 2004
Export Citation:
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Assignee:
KANSAI PAINT CO LTD (JP)
KOGURE HIDEO (JP)
International Classes:
B01J35/00; B01J37/02; C01G23/047; C08G79/00; C08L85/00; C09D185/00; B01J21/06; (IPC1-7): C09D185/00; C09C3/08; C01G23/047; B01J21/06; B01J37/02
Foreign References:
JP2002038054A2002-02-06
JP2001089141A2001-04-03
JPH09262481A1997-10-07
JPH09221324A1997-08-26
JP2002346393A2002-12-03
JP2001262005A2001-09-26
JPH10128110A1998-05-19
JP2002211927A2002-07-31
JPH1067516A1998-03-10
JP2003012324A2003-01-15
JP2003055580A2003-02-26
JP2003138162A2003-05-14
JP2003089521A2003-03-28
JP2003230834A2003-08-19
JP2003286577A2003-10-10
Attorney, Agent or Firm:
Saegusa, Eiji (1-7-1 Doshomachi, Chuo-k, Osaka-shi Osaka, JP)
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