ATE272133T1 - METHOD FOR CLEANING AND PASSIVATION OF ZINC AND ZINC ALLOY SURFACES - Google Patents

METHOD FOR CLEANING AND PASSIVATION OF ZINC AND ZINC ALLOY SURFACES

Info

Publication number
ATE272133T1
ATE272133T1 AT02008422T AT02008422T ATE272133T1 AT E272133 T1 ATE272133 T1 AT E272133T1 AT 02008422 T AT02008422 T AT 02008422T AT 02008422 T AT02008422 T AT 02008422T AT E272133 T1 ATE272133 T1 AT E272133T1
Authority
AT
Austria
Prior art keywords
zinc
cleaning
passivation
alloy surfaces
zinc alloy
Prior art date
Application number
AT02008422T
Other languages
German (de)
Inventor
Wolf-Dieter Franz
Original Assignee
Wolf-Dieter Franz
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 Wolf-Dieter Franz filed Critical Wolf-Dieter Franz
Application granted granted Critical
Publication of ATE272133T1 publication Critical patent/ATE272133T1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
    • 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
    • C25D11/34—Anodisation of metals or alloys not provided for in groups C25D11/04 - C25D11/32
    • 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
    • C25D11/36—Phosphatising
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/34—Pretreatment of metallic surfaces to be electroplated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Electroplating Methods And Accessories (AREA)
  • ing And Chemical Polishing (AREA)

Abstract

Cleaning zinc or zinc alloy surfaces comprises passivating the surface, and treating with a solution containing phosphoric acid and an alcohol when the surface is connected to an anode. An Independent claim is also included for a process for coating a zinc or zinc alloy surface.
AT02008422T 2002-04-12 2002-04-12 METHOD FOR CLEANING AND PASSIVATION OF ZINC AND ZINC ALLOY SURFACES ATE272133T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02008422A EP1361297B1 (en) 2002-04-12 2002-04-12 Method for cleaning and passivation of the surfaces of zinc or zincalloys

Publications (1)

Publication Number Publication Date
ATE272133T1 true ATE272133T1 (en) 2004-08-15

Family

ID=29225588

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02008422T ATE272133T1 (en) 2002-04-12 2002-04-12 METHOD FOR CLEANING AND PASSIVATION OF ZINC AND ZINC ALLOY SURFACES

Country Status (5)

Country Link
EP (1) EP1361297B1 (en)
AT (1) ATE272133T1 (en)
AU (1) AU2002329277A1 (en)
DE (1) DE50200704D1 (en)
WO (1) WO2003087438A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3716462A (en) * 1970-10-05 1973-02-13 D Jensen Copper plating on zinc and its alloys
US3663386A (en) * 1971-02-08 1972-05-16 Basf Wyandotte Corp Electrocleaner composition and process
GB1536177A (en) * 1976-12-07 1978-12-20 Nat Res Dev Anodising a compound semiconductor
JPS60248898A (en) * 1983-06-30 1985-12-09 Chobe Taguchi Derusting solution for electrolysis

Also Published As

Publication number Publication date
EP1361297B1 (en) 2004-07-28
EP1361297A1 (en) 2003-11-12
AU2002329277A1 (en) 2003-10-27
WO2003087438A1 (en) 2003-10-23
DE50200704D1 (en) 2004-09-02

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Legal Events

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