Title:
ANTIMICROBIAL/ANTIFOULING ALUMINUM OR ALUMINUM ALLOY MATERIAL AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JP3267884
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To form a photocatalyst film which has a good throwing power even to an aluminum alloy base material having intricate shapes without degrading the strength of the base material and has an excellent adhesion property and photocatalyst activity.
SOLUTION: After the base material 11 consisting of an aluminum alloy is subjected to an anodic oxidation treatment, the base material is immersed into a soln. suspended with semiconductor particulates 10 having the photocatalyst effect or the suspension of the semiconductor particulates 10 is applied thereon or an electrophoresis method is executed in the suspension of the semiconductor particulates, by which the semiconductor particulates are deposited on the anodically oxidized film 12. The film is thereafter impregnated with an inorg. high polymer 13, by which the photocatalyst film 14 consisting of the mixture composed of the semiconductor particulates and the inorg. high polymer is formed on the anodically oxidized film. This process is a process of a wet type and, therefore, the throwing power to the aluminum alloy base material 11 having the intricate shapes is good. In addition, the formation of the photocatalyst film at a low temp. is possible and, therefore, there is no possibility of degrading the strength of the aluminum alloy base material. The method for forming the photocatalyst film having the high mass productivity is thus obtd. The photocatalyst film has a high content of the semiconductor particulates and exhibits the excellent photocatalyst activity.
More Like This:
Inventors:
Akira Fujishima
Kazuhito Hashimoto
Nobuyuki Nakata
Toshio Arai
Kazuhito Hashimoto
Nobuyuki Nakata
Toshio Arai
Application Number:
JP35659096A
Publication Date:
March 25, 2002
Filing Date:
December 27, 1996
Export Citation:
Assignee:
Akira Fujishima
Kazuhito Hashimoto
Waikei Co., Ltd.
Kazuhito Hashimoto
Waikei Co., Ltd.
International Classes:
A61L2/02; B05D5/00; B05D7/14; C25D11/18; C25D13/00; C25D13/02; (IPC1-7): C25D11/18
Domestic Patent References:
| JP8224289A | ||||
| JP8296060A | ||||
| JP8302498A |
Attorney, Agent or Firm:
▲吉▼田 繁喜