JPS5792194A - Formation of opaque white film on aluminum - Google Patents
Formation of opaque white film on aluminumInfo
- Publication number
- JPS5792194A JPS5792194A JP16799780A JP16799780A JPS5792194A JP S5792194 A JPS5792194 A JP S5792194A JP 16799780 A JP16799780 A JP 16799780A JP 16799780 A JP16799780 A JP 16799780A JP S5792194 A JPS5792194 A JP S5792194A
- Authority
- JP
- Japan
- Prior art keywords
- aqueous soln
- opaque white
- electrolysis
- film
- acid
- 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.)
- Pending
Links
Landscapes
- Electrochemical Coating By Surface Reaction (AREA)
Abstract
PURPOSE: To form a fine opaque white film by subjecting an anodically oxidized Al or Al alloy material to AC electrolysis or DC cathodic electrolysis in a weak alkaline aqueous soln. of Ti complex ions contg. no K and Na.
CONSTITUTION: An Al or Al alloy material is pretreated by pickling, neutralization and degreasing, and an anodic oxide film is formed with sulfuric acid, oxalic acid, phosphoric acid or the like. On the other hand, an aqueous soln. of titanium (IV) sulfate is made alkaline or neutral with an aqueous soln. of ammonia or the like, and amines such as diethylamine or triethanolamine and a carboxylic acid such as gluconic acid are added as a complexing agent to prepare an aqueous soln. of Ti complex contg. no K and Na. The Al material having the anodic oxide film is subjected to AC electrolysis or DC cathodic electrolysis in the aqueous soln. to form a fine opaque white film on the surface, and this film is treated to soal pores.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16799780A JPS5792194A (en) | 1980-12-01 | 1980-12-01 | Formation of opaque white film on aluminum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16799780A JPS5792194A (en) | 1980-12-01 | 1980-12-01 | Formation of opaque white film on aluminum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5792194A true JPS5792194A (en) | 1982-06-08 |
Family
ID=15859879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16799780A Pending JPS5792194A (en) | 1980-12-01 | 1980-12-01 | Formation of opaque white film on aluminum |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5792194A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63206499A (en) * | 1987-02-23 | 1988-08-25 | Fujita Shoji Kk | White color treatment of aluminum or aluminum alloy |
| CN103305891A (en) * | 2012-03-13 | 2013-09-18 | 可成科技(苏州)有限公司 | Method for whitening surface of metal material |
| US20150090598A1 (en) * | 2013-09-27 | 2015-04-02 | Apple Inc. | Methods for forming white anodized films by metal complex infusion |
| CN105492663A (en) * | 2013-09-27 | 2016-04-13 | 苹果公司 | Methods for forming white anodized films by forming branched pore structures |
| US10760175B2 (en) | 2015-10-30 | 2020-09-01 | Apple Inc. | White anodic films with multiple layers |
-
1980
- 1980-12-01 JP JP16799780A patent/JPS5792194A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63206499A (en) * | 1987-02-23 | 1988-08-25 | Fujita Shoji Kk | White color treatment of aluminum or aluminum alloy |
| CN103305891A (en) * | 2012-03-13 | 2013-09-18 | 可成科技(苏州)有限公司 | Method for whitening surface of metal material |
| US20150090598A1 (en) * | 2013-09-27 | 2015-04-02 | Apple Inc. | Methods for forming white anodized films by metal complex infusion |
| CN105492663A (en) * | 2013-09-27 | 2016-04-13 | 苹果公司 | Methods for forming white anodized films by forming branched pore structures |
| CN105492662A (en) * | 2013-09-27 | 2016-04-13 | 苹果公司 | Methods for forming white anodized films by metal complex infusion |
| EP3017094A1 (en) * | 2013-09-27 | 2016-05-11 | Apple Inc. | Methods for forming white anodized films by metal complex infusion |
| JP2016537513A (en) * | 2013-09-27 | 2016-12-01 | アップル インコーポレイテッド | Method for forming white anodic oxide film by forming branched pore structure |
| US9512536B2 (en) * | 2013-09-27 | 2016-12-06 | Apple Inc. | Methods for forming white anodized films by metal complex infusion |
| EP3017094A4 (en) * | 2013-09-27 | 2017-05-17 | Apple Inc. | Methods for forming white anodized films by metal complex infusion |
| US11131036B2 (en) | 2013-09-27 | 2021-09-28 | Apple Inc. | Cosmetic anodic oxide coatings |
| US10760175B2 (en) | 2015-10-30 | 2020-09-01 | Apple Inc. | White anodic films with multiple layers |
| US10781529B2 (en) | 2015-10-30 | 2020-09-22 | Apple Inc. | Anodized films with pigment coloring |
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