Title:
PORCELAIN ENAMELED MATERIAL AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
Japanese Patent JP2005008974
Kind Code:
A
Abstract:
To provide a porcelain enameled material which persistently shows high photocatalytic functions while maintaining the characteristics of porcelain enamel such as gloss, acid resistance and alkali resistance, and to provide a method for easily manufacturing such a porcelain enameled material with a less number of steps.
This porcelain enamelled material has a glaze layer containing the grains of a photocatalyst in both of the inner part and the surface part, formed thereon from slurry containing the grains of the photocatalyst, which are the aggregates of the primary particles having particle sizes of 50 nm or smaller, and have grain sizes of 0.5 μm or larger but smaller than the film thickness of a finally obtained glaze layer.
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Inventors:
TAWARA TOMOYUKI
NOBUSAWA TATSUYA
NAGAISHI HIROSHI
KAMOKI MICHIYOSHI
NOBUSAWA TATSUYA
NAGAISHI HIROSHI
KAMOKI MICHIYOSHI
Application Number:
JP2003176975A
Publication Date:
January 13, 2005
Filing Date:
June 20, 2003
Export Citation:
Assignee:
JFE STEEL KK
JFE METAL PRODUCTS & ENG INC
JFE METAL PRODUCTS & ENG INC
International Classes:
B01J35/02; B01J37/02; B01J37/08; C23D5/00; C03C8/14; (IPC1-7): C23D5/00; B01J35/02; B01J37/02; B01J37/08; C03C8/14
Attorney, Agent or Firm:
Nozomi Watanabe
Haruko Sanwa
Haruko Sanwa