Title:
SURFACE TREATMENT METHOD FOR ALUMINUM MATERIAL AND SURFACE TREATED ALUMINUM MATERIAL
Document Type and Number:
Japanese Patent JP3930706
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a surface treatment method for an aluminum material by which surface luster and color tones which are enough in uniformity and reproducibility, and controlled over wide ranges can be imparted thereto.
SOLUTION: The surface treatment method for the aluminum material consisting of aluminum or an aluminum alloy includes a first stage where a hydrated oxide film is formed on the surface of the aluminum material, a second stage where anode electrolysis is performed in an aqueous solution containing a monobasic acid and/or a salt thereof, and a third stage where hydrochloric acid dipping treatment of dipping the aluminum material into a hydrochloric acid aqueous solution is performed.
Inventors:
Tomohiro Kashihara
Yumiko Tsukamoto
Ken Ebihara
Miki Asakura
Takashi Iriya
Yumiko Tsukamoto
Ken Ebihara
Miki Asakura
Takashi Iriya
Application Number:
JP2001208171A
Publication Date:
June 13, 2007
Filing Date:
July 09, 2001
Export Citation:
Assignee:
NIPPON LIGHT METAL COMPANY,LTD.
Shin Nikkei Co., Ltd.
Shin Nikkei Co., Ltd.
International Classes:
C25D11/08; C25D11/04; C25D11/16; C25D11/24; (IPC1-7): C25D11/08; C25D11/04; C25D11/16; C25D11/24
Domestic Patent References:
| JP2146718A | ||||
| JP9226262A | ||||
| JP49065946A | ||||
| JP49133238A | ||||
| JP2000030979A | ||||
| JP59089796A | ||||
| JP11217693A | ||||
| JP56005999A | ||||
| JP61010491A |
Attorney, Agent or Firm:
Katsuo Naruse
Tomohiro Nakamura
Masahiro Koizumi
Tomohiro Nakamura
Masahiro Koizumi