GB1092698A - Composition and process for anodizing aluminum and its base alloys - Google Patents
Composition and process for anodizing aluminum and its base alloysInfo
- Publication number
- GB1092698A GB1092698A GB25006/65A GB2500665A GB1092698A GB 1092698 A GB1092698 A GB 1092698A GB 25006/65 A GB25006/65 A GB 25006/65A GB 2500665 A GB2500665 A GB 2500665A GB 1092698 A GB1092698 A GB 1092698A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- base alloys
- sulphuric acid
- sulphosuccinic
- composition
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/14—Producing integrally coloured layers
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating And Plating Baths Therefor (AREA)
Abstract
Aluminium and its base alloys are anodized in an aqueous solution containing at least 5 g/l sulphosuccinic acid and at least 0.5 g/l sulphuric acid. For coloured-as-formed oxide coatings the solution should contain less than 15 g/l sulphuric acid such coatings may be formed from a solution at 60 to 90 DEG F. and a current density of 12 to 64 ASF containing 2 to 12.5 g/l sulphuric acid and at least eight times the quantity of sulphosuccinic acid in the range 25 to 900 g/l. The sulphate and/or sulphosuccinate radicles may be provided by suitable salts, e.g. the Na salt, providing that sufficient hydrogen ions are present to give the required free acid contents. The aluminium content of the electrolyte is preferably kept between 0.1 and 1 g/l by ion-exchange treatment since it reduces the effective sulphosuccinic acid concentration by 20 times its own value. The oxide coatings may be dyed and sealed.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US372088A US3280013A (en) | 1964-06-02 | 1964-06-02 | Anodizing electrolyte and process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1092698A true GB1092698A (en) | 1967-11-29 |
Family
ID=23466675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB25006/65A Expired GB1092698A (en) | 1964-06-02 | 1965-05-27 | Composition and process for anodizing aluminum and its base alloys |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3280013A (en) |
| CH (1) | CH471235A (en) |
| DE (1) | DE1621028C3 (en) |
| GB (1) | GB1092698A (en) |
| SE (1) | SE302875B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3669855A (en) * | 1970-01-28 | 1972-06-13 | Kaiser Aluminium Chem Corp | Control of integral color anodizing process |
| JPS513335A (en) * | 1974-06-29 | 1976-01-12 | Shozo Kimura | Aruminiumu oyobi aruminiumugokinotanjikannihatsushokusuruhoho |
| US4152221A (en) * | 1977-09-12 | 1979-05-01 | Nancy Lee Kaye | Anodizing method |
| KR101351670B1 (en) * | 2011-07-19 | 2014-01-14 | 미쯔비시 레이온 가부시끼가이샤 | Manufacturing method for molds for nanoimprinting |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2052575A (en) * | 1934-02-14 | 1936-09-01 | Magnavox Co | Method of forming electrodes for electrolytic condensers |
| NL48557C (en) * | 1935-12-11 | |||
| US2963409A (en) * | 1957-10-07 | 1960-12-06 | Reynolds Metals Co | Flexible anodic coating |
| NL238065A (en) * | 1958-04-14 | |||
| US3227639A (en) * | 1961-10-24 | 1966-01-04 | Aluminum Co Of America | Method of anodizing aluminum with electrolyte containing sulfophthalic acid |
| US3143485A (en) * | 1961-11-28 | 1964-08-04 | Aluminum Co Of America | Aluminum anodizing |
| US3146178A (en) * | 1962-04-12 | 1964-08-25 | Aluminum Co Of America | Anodizing electrolyte and method |
-
1964
- 1964-06-02 US US372088A patent/US3280013A/en not_active Expired - Lifetime
-
1965
- 1965-05-27 GB GB25006/65A patent/GB1092698A/en not_active Expired
- 1965-06-01 DE DE1621028A patent/DE1621028C3/en not_active Expired
- 1965-06-02 CH CH767565A patent/CH471235A/en not_active IP Right Cessation
- 1965-06-02 SE SE7206/65A patent/SE302875B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1621028B2 (en) | 1974-11-21 |
| US3280013A (en) | 1966-10-18 |
| DE1621028C3 (en) | 1975-07-10 |
| SE302875B (en) | 1968-08-05 |
| DE1621028A1 (en) | 1971-05-13 |
| CH471235A (en) | 1969-04-15 |
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