GB2012814A - Aluminium articles having anodic oxide coatings and methods of colouring them by means of optical interference effects - Google Patents
Aluminium articles having anodic oxide coatings and methods of colouring them by means of optical interference effectsInfo
- Publication number
- GB2012814A GB2012814A GB7900897A GB7900897A GB2012814A GB 2012814 A GB2012814 A GB 2012814A GB 7900897 A GB7900897 A GB 7900897A GB 7900897 A GB7900897 A GB 7900897A GB 2012814 A GB2012814 A GB 2012814A
- Authority
- GB
- United Kingdom
- Prior art keywords
- anodic oxide
- optical interference
- colouring
- methods
- interference effects
- 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.)
- Withdrawn
Links
- 239000010407 anodic oxide Substances 0.000 title abstract 4
- 229910052782 aluminium Inorganic materials 0.000 title abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title abstract 2
- 239000004411 aluminium Substances 0.000 title abstract 2
- 230000000694 effects Effects 0.000 title abstract 2
- 230000003287 optical effect Effects 0.000 title abstract 2
- 238000000576 coating method Methods 0.000 title 1
- 238000004040 coloring Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 229910017566 Cu-Mn Inorganic materials 0.000 abstract 1
- 229910002482 Cu–Ni Inorganic materials 0.000 abstract 1
- 229910017816 Cu—Co Inorganic materials 0.000 abstract 1
- 229910017871 Cu—Mn Inorganic materials 0.000 abstract 1
- 229910018669 Mn—Co Inorganic materials 0.000 abstract 1
- 229910018651 Mn—Ni Inorganic materials 0.000 abstract 1
- 229910003296 Ni-Mo Inorganic materials 0.000 abstract 1
- 229910020938 Sn-Ni Inorganic materials 0.000 abstract 1
- 229910008937 Sn—Ni Inorganic materials 0.000 abstract 1
- 229910052793 cadmium Inorganic materials 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 229910052745 lead Inorganic materials 0.000 abstract 1
- 229910052748 manganese Inorganic materials 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- DDTIGTPWGISMKL-UHFFFAOYSA-N molybdenum nickel Chemical compound [Ni].[Mo] DDTIGTPWGISMKL-UHFFFAOYSA-N 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 239000011148 porous material Substances 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 229910052718 tin Inorganic materials 0.000 abstract 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
- C25D11/12—Anodising more than once, e.g. in different baths
-
- 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
- C25D11/18—After-treatment, e.g. pore-sealing
- C25D11/20—Electrolytic after-treatment
- C25D11/22—Electrolytic after-treatment for colouring layers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The invention provides aluminium articles having porous anodic oxide films coloured by means of an optical interference effect. In Figure 4, the article 10 carries a first anodic oxide film 12 with pores 14 enlarged at their inner ends 20 and containing inorganic pigmentary deposits 22. The products may be made by growing a second anodic oxide film 26 underneath the deposits 22 either simultaneously or subsequently, using A.C.X is at least 26 nm, Y is preferably at least 60 nm, Z is preferably 15 nm to 200 nm, (Y + Z) is preferably 75 nm to 600 nm, and W is preferably at least 15 nm. The pigmentary deposits are preferably of material containing one or more of Sn, Ni, Co, Cu, Ag, Cd, Fe, Pb, Mn and Mo, e.g. Sn-Ni, Cu-Ni, Cu-Co, Cu-Mn, Mn-Ni, Ni-Mo or Mn-Co. <IMAGE>
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7900897A GB2012814A (en) | 1978-01-17 | 1979-01-10 | Aluminium articles having anodic oxide coatings and methods of colouring them by means of optical interference effects |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB187578 | 1978-01-17 | ||
| GB7900897A GB2012814A (en) | 1978-01-17 | 1979-01-10 | Aluminium articles having anodic oxide coatings and methods of colouring them by means of optical interference effects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB2012814A true GB2012814A (en) | 1979-08-01 |
Family
ID=26237045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB7900897A Withdrawn GB2012814A (en) | 1978-01-17 | 1979-01-10 | Aluminium articles having anodic oxide coatings and methods of colouring them by means of optical interference effects |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2012814A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0121361A1 (en) * | 1983-03-31 | 1984-10-10 | KAISER ALUMINUM & CHEMICAL CORPORATION | Colouring process for anodized aluminium products |
| EP4194590A1 (en) * | 2021-12-09 | 2023-06-14 | Aalberts Surface Technologies GmbH | Method and composition for selective anodisation |
-
1979
- 1979-01-10 GB GB7900897A patent/GB2012814A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0121361A1 (en) * | 1983-03-31 | 1984-10-10 | KAISER ALUMINUM & CHEMICAL CORPORATION | Colouring process for anodized aluminium products |
| EP4194590A1 (en) * | 2021-12-09 | 2023-06-14 | Aalberts Surface Technologies GmbH | Method and composition for selective anodisation |
| US12065753B2 (en) | 2021-12-09 | 2024-08-20 | Aalberts Surface Technologies Gmbh | Method and composition for selective anodization |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |