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Title:
PHOTOCATALYTIC COATING
Document Type and Number:
Japanese Patent JP2014101515
Kind Code:
A
Abstract:

To provide compositions for imparting a photocatalytic coating on a surface, and more specifically, de-polluting, self-cleaning paints comprising titanium dioxide particles which do not require prior activation to achieve high initial photocatalytic activity.

De-polluting, self-cleaning coating compositions are provided which comprise an organic binder having dispersed therein photocatalytic titanium dioxide particles substantially in an anatase form which have an average crystallite size between about 1 nm and about 150 nm and which preferably have photocatalytic activity in the presence of visible light. Advantageously, the coatings of the invention do not require pre-activation to achieve high initial photocatalytic activity against pollutants in the air, such as NOX compounds.


Inventors:
JULIE ELIZABETH MALTBY
CLAIRE BYGOTT
Application Number:
JP2013267540A
Publication Date:
June 05, 2014
Filing Date:
December 25, 2013
Export Citation:
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Assignee:
CRYSTAL USA INC
International Classes:
C09D125/14; B01D53/86; B01J35/02; B01J35/10; B01J37/02; B05D5/00; B05D7/24; C09D5/14; C09D5/16; C09D7/61; C09D133/00
Domestic Patent References:
JP2000271441A2000-10-03
JP2000271491A2000-10-03
JP2005097096A2005-04-14
JP2010537033A2010-12-02
JP2007519799A2007-07-19
JP2006021112A2006-01-26
JP2002060686A2002-02-26
JP2000290534A2000-10-17
JPH10230169A1998-09-02
JP2007519799A2007-07-19
JP2006021112A2006-01-26
JP2002060686A2002-02-26
JP2000290534A2000-10-17
JPH10230169A1998-09-02
JP2000271441A2000-10-03
JP2000271491A2000-10-03
JP2005097096A2005-04-14
JP2010537033A2010-12-02
Foreign References:
WO2006030250A22006-03-23
WO2002040609A12002-05-23
WO2006030250A22006-03-23
WO2002040609A12002-05-23
Attorney, Agent or Firm:
Mitsuo Tanaka
Hiroshi Yamazaki
Tsuyoshi Sato



 
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