Title:
METHOD OF FORMING METAL OXIDE MICROPARTICLE LAYER ON CONDUCTIVE SUBSTRATUM
Document Type and Number:
WIPO Patent Application WO/2007/148642
Kind Code:
A1
Abstract:
A method in which as compared with the conventional plating method, CVD method, coating liquid method, electrodeposition method, etc., a metal oxide microparticle layer being uniform and excelling in adherence, abrasion resistance, strength, etc. can be formed with extreme easiness. There is provided a method of forming a metal oxide microparticle layer on a conductive substratum, characterized in that a conductive substratum is immersed in a dispersion liquid containing metal oxide microparticles and fibrous microparticles and direct current is applied to the conductive substratum and the dispersion liquid. The fibrous microparticles have a length (L) ranging from 50 nm to 10 μm, a diameter (D) ranging from 10 nm to 2 μm and an aspect ratio (L/D) ranging from 5 to 1000. The fibrous microparticle content of the dispersion liquid ranges from 0.1 to 20 wt.% based on metal oxide microparticles in terms of solid contents. The dispersion liquid further contains colloid particles of 2 to 300 nm average particle diameter.
Inventors:
SHIRONO, Katsuhiro (CATALYSTS & CHEMICALS INDUSTRIES CO. LTD., 13-2, Kitaminato-machiWakamatsu-ku, Kitakyushu-sh, Fukuoka 27, 8080027, JP)
城野 勝博 (〒27 福岡県北九州市若松区北湊町１３番２号 触媒化成工業株式会社 北九州事業所内 Fukuoka, 8080027, JP)
MIZUNO, Takaki (CATALYSTS & CHEMICALS INDUSTRIES CO. LTD., 13-2, Kitaminato-machiWakamatsu-ku, Kitakyushu-sh, Fukuoka 27, 8080027, JP)
城野 勝博 (〒27 福岡県北九州市若松区北湊町１３番２号 触媒化成工業株式会社 北九州事業所内 Fukuoka, 8080027, JP)
MIZUNO, Takaki (CATALYSTS & CHEMICALS INDUSTRIES CO. LTD., 13-2, Kitaminato-machiWakamatsu-ku, Kitakyushu-sh, Fukuoka 27, 8080027, JP)
Application Number:
JP2007/062207
Publication Date:
December 27, 2007
Filing Date:
June 18, 2007
Export Citation:
Assignee:
CATALYSTS & CHEMICALS INDUSTRIES CO., LTD. (580 Horikawa-cho, Saiwai-ku Kawasaki-sh, Kanagawa 13, 2120013, JP)
触媒化成工業株式会社 (〒13 神奈川県川崎市幸区堀川町５８０番地 Kanagawa, 2120013, JP)
SHIRONO, Katsuhiro (CATALYSTS & CHEMICALS INDUSTRIES CO. LTD., 13-2, Kitaminato-machiWakamatsu-ku, Kitakyushu-sh, Fukuoka 27, 8080027, JP)
城野 勝博 (〒27 福岡県北九州市若松区北湊町１３番２号 触媒化成工業株式会社 北九州事業所内 Fukuoka, 8080027, JP)
触媒化成工業株式会社 (〒13 神奈川県川崎市幸区堀川町５８０番地 Kanagawa, 2120013, JP)
SHIRONO, Katsuhiro (CATALYSTS & CHEMICALS INDUSTRIES CO. LTD., 13-2, Kitaminato-machiWakamatsu-ku, Kitakyushu-sh, Fukuoka 27, 8080027, JP)
城野 勝博 (〒27 福岡県北九州市若松区北湊町１３番２号 触媒化成工業株式会社 北九州事業所内 Fukuoka, 8080027, JP)
International Classes:
C25D13/02
Attorney, Agent or Firm:
SUZUKI, Shunichiro (S.SUZUKI & ASSOCIATES, Gotanda Yamazaki Bldg. 6F13-6, Nishigotanda 7-chome,Shinagawa-k, Tokyo 31, 1410031, JP)