JPS5754297A - Formation of colored film to aluminum material - Google Patents
Formation of colored film to aluminum materialInfo
- Publication number
- JPS5754297A JPS5754297A JP12773680A JP12773680A JPS5754297A JP S5754297 A JPS5754297 A JP S5754297A JP 12773680 A JP12773680 A JP 12773680A JP 12773680 A JP12773680 A JP 12773680A JP S5754297 A JPS5754297 A JP S5754297A
- Authority
- JP
- Japan
- Prior art keywords
- anodic oxidation
- voltage
- electrolysis
- coloring
- current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Electrochemical Coating By Surface Reaction (AREA)
Abstract
PURPOSE: To form an anodic oxidation film with good coloring property, in a secondary electrolytic coloring process, by a method wherein anodic oxidation treatment is carried out by D.C. of constant voltage at first and, subsequently, electrolysis is applied by rectangular wave A.C.
CONSTITUTION: In forming a colored film on an aluminum material by a secondary electrolytic coloring process, anodic oxidation treatment is carried out by D.C. of constant voltage at first and voltage is about 10W20V, current density is about 0.5W1.5A/dm2, an electrolytic time is about 10W60min and a bath temp. is about 10W25°C. Subsequently, in a same bath tank, electrolysis is applied by rectangular wave A.C. of which current is cyclically reversed and said electrolysis by the same current is completed before anode current is restored until a constant valve. In this time, anode voltage is 2W10V and cathode voltage is 2W8V. Thus obtained anodic oxidation film imparts good coloring property in subsequent electrolytic coloring treatment and a coloring time is also shortened.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12773680A JPS5846556B2 (en) | 1980-09-13 | 1980-09-13 | Method of forming a colored film on aluminum material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12773680A JPS5846556B2 (en) | 1980-09-13 | 1980-09-13 | Method of forming a colored film on aluminum material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5754297A true JPS5754297A (en) | 1982-03-31 |
| JPS5846556B2 JPS5846556B2 (en) | 1983-10-17 |
Family
ID=14967405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12773680A Expired JPS5846556B2 (en) | 1980-09-13 | 1980-09-13 | Method of forming a colored film on aluminum material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5846556B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6041411U (en) * | 1983-08-30 | 1985-03-23 | 株式会社 アイジ−技術研究所 | Insulated panels with fire retardant properties |
-
1980
- 1980-09-13 JP JP12773680A patent/JPS5846556B2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6041411U (en) * | 1983-08-30 | 1985-03-23 | 株式会社 アイジ−技術研究所 | Insulated panels with fire retardant properties |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5846556B2 (en) | 1983-10-17 |
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