DE616812C - - Google Patents
Info
- Publication number
- DE616812C DE616812C DENDAT616812D DE616812DA DE616812C DE 616812 C DE616812 C DE 616812C DE NDAT616812 D DENDAT616812 D DE NDAT616812D DE 616812D A DE616812D A DE 616812DA DE 616812 C DE616812 C DE 616812C
- Authority
- DE
- Germany
- Prior art keywords
- acid
- electrolyte
- sulfuric acid
- aluminum
- organic 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.)
- Active
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 75
- 239000003792 electrolyte Substances 0.000 claims description 43
- 229910052782 aluminium Inorganic materials 0.000 claims description 29
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 29
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 24
- 150000007524 organic acids Chemical class 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 10
- 235000006408 oxalic acid Nutrition 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 150000007522 mineralic acids Chemical class 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 description 27
- 239000000243 solution Substances 0.000 description 13
- 238000005299 abrasion Methods 0.000 description 12
- 239000002253 acid Substances 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 10
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
- 239000011976 maleic acid Substances 0.000 description 2
- 239000001630 malic acid Substances 0.000 description 2
- 235000011090 malic acid Nutrition 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- -1 ammonium Chemical class 0.000 description 1
- 239000010407 anodic oxide Substances 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
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
-
- 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
- C25D11/08—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing inorganic acids
-
- 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
- C25D11/10—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing organic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
- Printing Plates And Materials Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US589056A US1965682A (en) | 1932-01-26 | 1932-01-26 | Coating aluminum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE616812C true DE616812C (en, 2012) |
Family
ID=24356423
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT629629D Active DE629629C (en, 2012) | 1932-01-26 | ||
| DENDAT616812D Active DE616812C (en, 2012) | 1932-01-26 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT629629D Active DE629629C (en, 2012) | 1932-01-26 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1965682A (en, 2012) |
| DE (2) | DE616812C (en, 2012) |
| FR (1) | FR761876A (en, 2012) |
| GB (1) | GB409679A (en, 2012) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE744046C (de) * | 1938-11-23 | 1944-01-08 | Paul Kiekeber | Verfahren zur Erzeugung von harten, verschleissfesten UEberzuegen auf Aluminium und Aluminiumlegierungen |
| DE1248416B (de) * | 1962-05-25 | 1967-08-24 | Carnaud & Forges | Bad zur anodischen Oxydation von Aluminium |
| DE1276420B (de) * | 1962-02-14 | 1968-09-29 | Vaw Ver Aluminium Werke Ag | Waessriges Bad und Verfahren zur anodischen Erzeugung von farbigen Oxidschichten aufGegenstaenden aus Aluminium oder Aluminiumlegierungen |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE974298C (de) * | 1942-05-23 | 1960-11-17 | Siemens Ag | Verfahren zur Herstellung eines elektrolytischen Kondensators |
| US2692851A (en) * | 1950-04-22 | 1954-10-26 | Aluminum Co Of America | Method of forming hard, abrasionresistant coatings on aluminum and aluminum alloys |
| US2771650A (en) * | 1952-02-04 | 1956-11-27 | Gen Motors Corp | Shell molding |
| US3252875A (en) * | 1961-11-09 | 1966-05-24 | Aluminum Co Of America | Aluminum anodizing method |
| NL121366C (en, 2012) * | 1962-06-16 | |||
| US3276980A (en) * | 1963-01-29 | 1966-10-04 | Gen Motors Corp | Method of anodizing aluminum |
| GB1106822A (en) * | 1964-06-30 | 1968-03-20 | Reynolds Metals Co | Strengthening aluminum articles by anodizing |
| US3405042A (en) * | 1965-03-04 | 1968-10-08 | Vaw Ver Aluminium Werke Ag | Aluminum anodizing process |
| DE1696305B1 (de) * | 1965-07-21 | 1970-02-19 | Vaw Ver Aluminium Werke Ag | Verfahren zur Anodisierung von Gegenstaenden aus Aluminium oder Aluminiumlegierungen |
| GB1173597A (en) * | 1965-12-09 | 1969-12-10 | Acorn Anodising Company Ltd | Improvements in or relating to the Anodising of Aluminium and its Alloys. |
| GB1333386A (en) * | 1969-10-27 | 1973-10-10 | Albright & Wilson | Protection of metallic surfaces |
| US4252620A (en) * | 1979-04-25 | 1981-02-24 | Setsuo Tomita | Process for forming an anodized film over the surface of aluminum substrates |
| DE3211782A1 (de) * | 1982-03-30 | 1983-10-06 | Siemens Ag | Bad und verfahren zum anodisieren von aluminierten teilen |
| US5963435A (en) * | 1997-03-25 | 1999-10-05 | Gianna Sweeney | Apparatus for coating metal with oxide |
-
0
- DE DENDAT629629D patent/DE629629C/de active Active
- DE DENDAT616812D patent/DE616812C/de active Active
-
1932
- 1932-01-26 US US589056A patent/US1965682A/en not_active Expired - Lifetime
- 1932-08-31 GB GB24333/32A patent/GB409679A/en not_active Expired
-
1933
- 1933-01-26 FR FR761876D patent/FR761876A/fr not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE744046C (de) * | 1938-11-23 | 1944-01-08 | Paul Kiekeber | Verfahren zur Erzeugung von harten, verschleissfesten UEberzuegen auf Aluminium und Aluminiumlegierungen |
| DE1276420B (de) * | 1962-02-14 | 1968-09-29 | Vaw Ver Aluminium Werke Ag | Waessriges Bad und Verfahren zur anodischen Erzeugung von farbigen Oxidschichten aufGegenstaenden aus Aluminium oder Aluminiumlegierungen |
| DE1248416B (de) * | 1962-05-25 | 1967-08-24 | Carnaud & Forges | Bad zur anodischen Oxydation von Aluminium |
Also Published As
| Publication number | Publication date |
|---|---|
| US1965682A (en) | 1934-07-10 |
| FR761876A (fr) | 1934-03-29 |
| GB409679A (en) | 1934-04-30 |
| DE629629C (en, 2012) |
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| DE616812C (en, 2012) | ||
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