EP0293774A3 - Process for electrolytic coloring of anodised aluminium - Google Patents

Process for electrolytic coloring of anodised aluminium Download PDF

Info

Publication number
EP0293774A3
EP0293774A3 EP88108480A EP88108480A EP0293774A3 EP 0293774 A3 EP0293774 A3 EP 0293774A3 EP 88108480 A EP88108480 A EP 88108480A EP 88108480 A EP88108480 A EP 88108480A EP 0293774 A3 EP0293774 A3 EP 0293774A3
Authority
EP
European Patent Office
Prior art keywords
electrolytic coloring
anodised aluminium
alternating current
aluminum
electrolytic
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.)
Granted
Application number
EP88108480A
Other languages
German (de)
Other versions
EP0293774A2 (en
EP0293774B1 (en
Inventor
Willi Dr. Buchmeier
Dieter Dr. Brodalla
Original Assignee
Henkel AG and Co KGaA
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 Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Priority to AT88108480T priority Critical patent/ATE82596T1/en
Publication of EP0293774A2 publication Critical patent/EP0293774A2/en
Publication of EP0293774A3 publication Critical patent/EP0293774A3/en
Application granted granted Critical
Publication of EP0293774B1 publication Critical patent/EP0293774B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C25D11/18—After-treatment, e.g. pore-sealing
    • C25D11/20—Electrolytic after-treatment
    • C25D11/22—Electrolytic after-treatment for colouring layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Engineering & Computer Science (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Electrochemical Coating By Surface Reaction (AREA)
  • Cookers (AREA)
  • Conductive Materials (AREA)
  • Solid Thermionic Cathode (AREA)
  • Electrolytic Production Of Metals (AREA)

Abstract

A process for the electrolytic coloring of anodized surfaces of aluminum or aluminum alloys using alternating current or direct current superimposed on alternating current, the electrolytic coloring being carried out with an electrolyte which contains cationic organic dyes and, optionally, conducting salts.
EP88108480A 1987-06-05 1988-05-27 Process for electrolytic coloring of anodised aluminium Expired - Lifetime EP0293774B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88108480T ATE82596T1 (en) 1987-06-05 1988-05-27 ELECTROLYTIC COLORING OF ANODISED ALUMINUM.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873718849 DE3718849A1 (en) 1987-06-05 1987-06-05 ELECTROLYTIC COLORING OF ANODISED ALUMINUM
DE3718849 1987-06-05

Publications (3)

Publication Number Publication Date
EP0293774A2 EP0293774A2 (en) 1988-12-07
EP0293774A3 true EP0293774A3 (en) 1989-11-08
EP0293774B1 EP0293774B1 (en) 1992-11-19

Family

ID=6329121

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88108480A Expired - Lifetime EP0293774B1 (en) 1987-06-05 1988-05-27 Process for electrolytic coloring of anodised aluminium

Country Status (7)

Country Link
US (1) US4877495A (en)
EP (1) EP0293774B1 (en)
JP (1) JPS63312998A (en)
KR (1) KR890000698A (en)
AT (1) ATE82596T1 (en)
AU (1) AU601047B2 (en)
DE (2) DE3718849A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06299394A (en) * 1991-03-25 1994-10-25 Aberu Kk Electrolytic color developing method for stainless steel
JP2003279824A (en) * 2002-03-22 2003-10-02 Fuji Photo Optical Co Ltd Structural parts for optical apparatus
US20050056546A1 (en) * 2003-09-17 2005-03-17 Kia Sheila Farrokhalaee Aluminum vehicle body
US8211622B2 (en) 2005-05-19 2012-07-03 Hydro Aluminium Deutschland Gmbh Conditioning of a litho strip
CN101768770B (en) * 2009-01-06 2015-05-13 比亚迪股份有限公司 Composite material and preparation method thereof
DE102009043762A1 (en) * 2009-09-30 2011-03-31 Clariant International Ltd. Process for dyeing anodized aluminum surfaces
US9187839B2 (en) 2010-10-07 2015-11-17 Michael Sheehy Process for the manufacture of sealed anodized aluminum components
WO2012061872A1 (en) * 2010-11-08 2012-05-18 Mezurx Pty Ltd Sample analyser
CN104651905B (en) * 2015-01-28 2017-11-07 永保纳米科技(深圳)有限公司 Dye auxiliary agent and its operation liquid, and the slow dye handling process of anode aluminium level dyeing are delayed in a kind of anode aluminium level dyeing
KR20210038343A (en) 2019-09-30 2021-04-07 호도가야 가가쿠 고교 가부시키가이샤 Xanthene-based pigment, dye composition, coloring agent and coloring method for anodic aluminum oxide, and method for producing said pigment

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE381525A (en) * 1930-07-23
JPS49115942A (en) * 1973-03-12 1974-11-06
JPS5129503A (en) * 1974-08-30 1976-03-12 Kazumasa Watanabe SHITSUSHITENCHAKUSOCHI
JPS5423664B2 (en) * 1975-03-06 1979-08-15
JPS5431047A (en) * 1977-08-11 1979-03-07 Shokosha Kk Baseesurface treatment of aluminum and alloys thereof
DE2850136B2 (en) * 1978-11-18 1981-01-22 Goldschmidt Ag Th Process for the electrolytic coloring of anodic oxide layers produced on aluminum
DE3372994D1 (en) * 1982-12-22 1987-09-17 Seiko Instr & Electronics Method for making a multicoloured member

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, Band 84, Nr. 8, 23. Februar 1976, Seite 428, Zusammenfassung Nr. 50238p, Columbus, Ohio, US; R. SINGH et al.: "Adsorption of cationic dyes by activated alumina", & PROC. INDIAN NATL. SCI. ACAD., PART A 1975, 41(2), 163-9 *
CHEMICAL ABSTRACTS, Band 90, Nr. 6, 5. Februar 1979, Seite 344, Zusammenfassung Nr. 44283g, Columbus, Ohio, US; T. SKOULIKIDIS et al.: "Physical sorption properties of electrolytically prepared active aluminas (gamma1-alumina and gamma2-alumina)", & INT. CONGR. STUDY BAUXITES, ALUMINA ALUM., [PREPR.], 4th 1978, 3, 375-387 *
METAL FINISHING ABSTRACTS, Band 16, Nr. 6, November/Dezember 1974, Seite 392; & JP-B-74 030 341 (NIPPON ALUMINIUM MANUFACTURING CO.) 24-12-1970 *

Also Published As

Publication number Publication date
EP0293774A2 (en) 1988-12-07
AU601047B2 (en) 1990-08-30
AU1734488A (en) 1988-12-08
KR890000698A (en) 1989-03-16
JPS63312998A (en) 1988-12-21
ATE82596T1 (en) 1992-12-15
DE3876012D1 (en) 1992-12-24
US4877495A (en) 1989-10-31
EP0293774B1 (en) 1992-11-19
DE3718849A1 (en) 1988-12-15

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