CA2029438C - Process for electrolytically treating aluminium and aluminium alloys - Google Patents

Process for electrolytically treating aluminium and aluminium alloys Download PDF

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Publication number
CA2029438C
CA2029438C CA002029438A CA2029438A CA2029438C CA 2029438 C CA2029438 C CA 2029438C CA 002029438 A CA002029438 A CA 002029438A CA 2029438 A CA2029438 A CA 2029438A CA 2029438 C CA2029438 C CA 2029438C
Authority
CA
Canada
Prior art keywords
workpiece
aluminium
colouring
acid
process according
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 - Fee Related
Application number
CA002029438A
Other languages
English (en)
French (fr)
Other versions
CA2029438A1 (en
Inventor
Pinakin Patel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Clariant Finance BVI Ltd
Original Assignee
Sandoz AG
Clariant Finance BVI Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sandoz AG, Clariant Finance BVI Ltd filed Critical Sandoz AG
Publication of CA2029438A1 publication Critical patent/CA2029438A1/en
Application granted granted Critical
Publication of CA2029438C publication Critical patent/CA2029438C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
    • 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)
  • Electroplating Methods And Accessories (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Electrolytic Production Of Metals (AREA)
CA002029438A 1989-11-08 1990-11-07 Process for electrolytically treating aluminium and aluminium alloys Expired - Fee Related CA2029438C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43349889A 1989-11-08 1989-11-08
US433,498 1989-11-08

Publications (2)

Publication Number Publication Date
CA2029438A1 CA2029438A1 (en) 1991-05-09
CA2029438C true CA2029438C (en) 2001-10-02

Family

ID=23720344

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002029438A Expired - Fee Related CA2029438C (en) 1989-11-08 1990-11-07 Process for electrolytically treating aluminium and aluminium alloys

Country Status (8)

Country Link
JP (1) JP2953474B2 (cs)
CA (1) CA2029438C (cs)
CH (1) CH682240A5 (cs)
DE (1) DE4034854C2 (cs)
FR (1) FR2654118B1 (cs)
GB (1) GB2237817B (cs)
HK (1) HK100696A (cs)
IT (1) IT1242327B (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100718427B1 (ko) * 1999-06-25 2007-05-14 니폰게이긴조쿠가부시키가이샤 알루미늄재의 전해착색법
DE19938180C1 (de) * 1999-08-17 2001-01-11 Erbsloeh Ag Verfahren zum elektrolytischen Färben von Werkstücken aus Aluminium oder Aluminiumlegierungen
JP4660760B2 (ja) * 2005-06-02 2011-03-30 国立大学法人広島大学 アルミニウム又は／及びアルミニウム合金の陽極酸化皮膜の形成方法およびその方法により形成される陽極酸化皮膜
PL241203B1 (pl) * 2020-07-29 2022-08-22 Canpack Spolka Akcyjna Sposób wytwarzania powłoki interferencyjnej

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3634208A (en) * 1968-09-26 1972-01-11 Aiden Kk Coloring method of aluminum anodic oxide coating film
US3773631A (en) * 1970-10-16 1973-11-20 Blasberg Gmbh & Co Kg Friedr Aqueous electrolytic bath for coloring anodic oxide layers on aluminum and aluminum alloy substrates and process for coloring said substrates
FR2178820A2 (en) * 1972-04-04 1973-11-16 Keller Eberhard Colouring anodised aluminium - or alloys by electrolysing in modified tin salts soln
DE2548177A1 (de) * 1975-10-28 1977-05-12 Alcan Res & Dev Elektrolytisches faerben von anodisch behandeltem aluminium
US4251330A (en) * 1978-01-17 1981-02-17 Alcan Research And Development Limited Electrolytic coloring of anodized aluminium by means of optical interference effects
US4179342A (en) * 1978-06-28 1979-12-18 Reynolds Metals Company Coating system method for coloring aluminum
US4180443A (en) * 1978-06-28 1979-12-25 Reynolds Metals Company Method for coloring aluminum
ES498578A0 (es) * 1981-01-16 1981-12-01 Ronain Sa Procedimiento de coloracion por via electrolitica de una pieza de aluminio o de aleacion de aluminio
DE3265804D1 (en) * 1981-05-19 1985-10-03 Sankyo Alu Ind Method of treating a surface of an aluminum to form a pattern thereon
IT1153213B (it) * 1982-10-07 1987-01-14 Grace Italiana Spa Procedimento di elettrocolorazione dell'alluminio e delle sue leghe in tonalita' giallo-arancione
DE3530934C1 (de) * 1985-08-29 1987-04-16 Chemal Gmbh & Co Kg Verfahren zur gleichmaessigen elektrolytischen Einfaerbung von eloxiertem Aluminium bzw. Aluminiumlegierungen

Also Published As

Publication number Publication date
FR2654118B1 (fr) 1993-06-25
JPH03207895A (ja) 1991-09-11
IT9048443A1 (it) 1992-05-06
GB2237817A (en) 1991-05-15
IT1242327B (it) 1994-03-04
CA2029438A1 (en) 1991-05-09
GB9023974D0 (en) 1990-12-19
JP2953474B2 (ja) 1999-09-27
GB2237817B (en) 1994-03-02
HK100696A (en) 1996-06-21
IT9048443A0 (it) 1990-11-06
FR2654118A1 (fr) 1991-05-10
DE4034854C2 (de) 2000-08-17
CH682240A5 (cs) 1993-08-13
DE4034854A1 (de) 1991-05-16

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