GB226536A - A process of electrolytically depositing an insulating coating or skin on aluminium - Google Patents
A process of electrolytically depositing an insulating coating or skin on aluminiumInfo
- Publication number
- GB226536A GB226536A GB30150/24A GB3015024A GB226536A GB 226536 A GB226536 A GB 226536A GB 30150/24 A GB30150/24 A GB 30150/24A GB 3015024 A GB3015024 A GB 3015024A GB 226536 A GB226536 A GB 226536A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrolyte
- aluminium
- acid
- consist
- sodium
- 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
- 229910052782 aluminium Inorganic materials 0.000 title abstract 3
- 239000004411 aluminium Substances 0.000 title abstract 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title abstract 2
- 239000011248 coating agent Substances 0.000 title 1
- 238000000576 coating method Methods 0.000 title 1
- 238000000151 deposition Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 abstract 4
- 239000003792 electrolyte Substances 0.000 abstract 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 abstract 2
- 239000011734 sodium Substances 0.000 abstract 2
- 229910052708 sodium Inorganic materials 0.000 abstract 2
- QLOKJRIVRGCVIM-UHFFFAOYSA-N 1-[(4-methylsulfanylphenyl)methyl]piperazine Chemical compound C1=CC(SC)=CC=C1CN1CCNCC1 QLOKJRIVRGCVIM-UHFFFAOYSA-N 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
- 229910000737 Duralumin Inorganic materials 0.000 abstract 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 abstract 1
- 229940010552 ammonium molybdate Drugs 0.000 abstract 1
- 235000018660 ammonium molybdate Nutrition 0.000 abstract 1
- 239000011609 ammonium molybdate Substances 0.000 abstract 1
- 229910052788 barium Inorganic materials 0.000 abstract 1
- -1 barium peroxides Chemical class 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 159000000007 calcium salts Chemical class 0.000 abstract 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 abstract 1
- 238000007689 inspection Methods 0.000 abstract 1
- LBSANEJBGMCTBH-UHFFFAOYSA-N manganate Chemical compound [O-][Mn]([O-])(=O)=O LBSANEJBGMCTBH-UHFFFAOYSA-N 0.000 abstract 1
- 150000007522 mineralic acids Chemical class 0.000 abstract 1
- 235000006408 oxalic acid Nutrition 0.000 abstract 1
- 239000007800 oxidant agent Substances 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 239000011591 potassium Substances 0.000 abstract 1
- 229910052700 potassium Inorganic materials 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- QYHFIVBSNOWOCQ-UHFFFAOYSA-N selenic acid Chemical class O[Se](O)(=O)=O QYHFIVBSNOWOCQ-UHFFFAOYSA-N 0.000 abstract 1
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/0029—Processes of manufacture
- H01G9/0032—Processes of manufacture formation of the dielectric layer
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Electroplating Methods And Accessories (AREA)
- Prevention Of Electric Corrosion (AREA)
Abstract
226,536. Zaidan Hojin Rikagaku Kenkyujo. Dec. 19, 1923, [Convention date]. Aluminium oxide, obtaining. - Aluminium is coated with an insulating and anti-corrosive film of oxide of any desired thickness by anodic treatment in a bath of oxalic acid or ammonium or other oxalate. Alternating current may be used in which case both electrodes are of aluminium. Details of strength of electrolyte and current density are given. According to the Specification as open to inspection under Sect. 91 (3) (a) the electrolyte may consist of a solution of an inorganic oxidizing acid such as chromic, manganic, molybdic, tungstic or selenic acids, or of salts such as potassium chromate, bichromate, manganate or permanganate, calcium tungstate or ammonium molybdate. Bases such as sodium and barium peroxides to which a small quantity of phosphoric, sulphuric, or other inorganic acid is added may also be used as electrolyte. Alternatively, the electrolyte may consist of an organic oxidizing agent such as malonic acid or its sodium, potassium, or calcium salts. Alloys such as duralumin may be coated in like matter. This subjectmatter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP226536X | 1923-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB226536A true GB226536A (en) | 1925-10-08 |
Family
ID=12088789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB30150/24A Expired GB226536A (en) | 1923-12-19 | 1924-12-15 | A process of electrolytically depositing an insulating coating or skin on aluminium |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1735286A (en) |
| FR (1) | FR590800A (en) |
| GB (1) | GB226536A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2839455A (en) * | 1951-07-21 | 1958-06-17 | Armco Steel Corp | Anodizing of aluminum coated objects |
| US4221640A (en) * | 1975-11-13 | 1980-09-09 | Hokusei Aluminum Company Ltd. | Method of treating a surface of an aluminum or aluminum alloy |
| US4806436A (en) * | 1984-08-06 | 1989-02-21 | Showa Aluminum Corporation | Substrate for amorphous silicon solar cells |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3412220A (en) * | 1963-11-26 | 1968-11-19 | Sprague Electric Co | Voltage sensitive switch and method of making |
| GB1150882A (en) * | 1965-07-14 | 1969-05-07 | Alcan Res & Dev | Anodising Treatment For Aluminium And Its Alloys |
| US3400058A (en) * | 1965-09-21 | 1968-09-03 | Boeing Co | Electrochemical process for andic coating of metal surfaces |
| US3860503A (en) * | 1971-07-30 | 1975-01-14 | Riken Light Metal Ind Co | Method for forming a colored coating on aluminous materials |
| US4152221A (en) * | 1977-09-12 | 1979-05-01 | Nancy Lee Kaye | Anodizing method |
| US4212685A (en) * | 1978-12-11 | 1980-07-15 | Lea Manufacturing Company | Protective and color receptive coating for aluminum |
-
1924
- 1924-12-02 US US753525A patent/US1735286A/en not_active Expired - Lifetime
- 1924-12-15 GB GB30150/24A patent/GB226536A/en not_active Expired
- 1924-12-18 FR FR590800D patent/FR590800A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2839455A (en) * | 1951-07-21 | 1958-06-17 | Armco Steel Corp | Anodizing of aluminum coated objects |
| US4221640A (en) * | 1975-11-13 | 1980-09-09 | Hokusei Aluminum Company Ltd. | Method of treating a surface of an aluminum or aluminum alloy |
| US4806436A (en) * | 1984-08-06 | 1989-02-21 | Showa Aluminum Corporation | Substrate for amorphous silicon solar cells |
Also Published As
| Publication number | Publication date |
|---|---|
| US1735286A (en) | 1929-11-12 |
| FR590800A (en) | 1925-06-23 |
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