EP0240943A3 - Process for applying conversion coatings to zinc or zinc alloy surfaces - Google Patents

Process for applying conversion coatings to zinc or zinc alloy surfaces Download PDF

Info

Publication number
EP0240943A3
EP0240943A3 EP87104930A EP87104930A EP0240943A3 EP 0240943 A3 EP0240943 A3 EP 0240943A3 EP 87104930 A EP87104930 A EP 87104930A EP 87104930 A EP87104930 A EP 87104930A EP 0240943 A3 EP0240943 A3 EP 0240943A3
Authority
EP
European Patent Office
Prior art keywords
zinc
conversion coatings
alloy surfaces
applying conversion
zinc alloy
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
EP87104930A
Other languages
German (de)
Other versions
EP0240943A2 (en
EP0240943B1 (en
Inventor
George Higgins
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.)
GEA Group AG
Chemetall Ltd
Original Assignee
Metallgesellschaft AG
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 Metallgesellschaft AG filed Critical Metallgesellschaft AG
Publication of EP0240943A2 publication Critical patent/EP0240943A2/en
Publication of EP0240943A3 publication Critical patent/EP0240943A3/en
Application granted granted Critical
Publication of EP0240943B1 publication Critical patent/EP0240943B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/60—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using alkaline aqueous solutions with pH greater than 8
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
    • C23C2222/10—Use of solutions containing trivalent chromium but free of hexavalent chromium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP87104930A 1986-04-08 1987-04-02 Process for applying conversion coatings to zinc or zinc alloy surfaces Expired - Lifetime EP0240943B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8608508 1986-04-08
GB868608508A GB8608508D0 (en) 1986-04-08 1986-04-08 Coating metal surfaces

Publications (3)

Publication Number Publication Date
EP0240943A2 EP0240943A2 (en) 1987-10-14
EP0240943A3 true EP0240943A3 (en) 1988-10-26
EP0240943B1 EP0240943B1 (en) 1990-10-10

Family

ID=10595841

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87104930A Expired - Lifetime EP0240943B1 (en) 1986-04-08 1987-04-02 Process for applying conversion coatings to zinc or zinc alloy surfaces

Country Status (8)

Country Link
US (1) US4801337A (en)
EP (1) EP0240943B1 (en)
KR (1) KR870010219A (en)
CN (1) CN87103418A (en)
CA (1) CA1284762C (en)
DE (2) DE3765445D1 (en)
ES (1) ES2018188B3 (en)
GB (2) GB8608508D0 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2215740B (en) * 1988-02-08 1992-06-03 Brent Chemicals Int Composition and process for treating metal surfaces
GB8802788D0 (en) * 1988-02-08 1988-03-09 Brent Chemicals Int Composition & process for treating metal surfaces
TW222678B (en) * 1991-10-24 1994-04-21 Nippon Pakunosei Co Ltd Pre-treating the surface of a zinc-plated or zinc alloy-plated steel before conventional chromation to imporve rust resistance
DE19615664A1 (en) * 1996-04-19 1997-10-23 Surtec Produkte Und Systeme Fu Chromium (VI) free chromate layer and process for its production
US7314671B1 (en) 1996-04-19 2008-01-01 Surtec International Gmbh Chromium(VI)-free conversion layer and method for producing it
DE19733972A1 (en) * 1997-08-06 1999-02-11 Henkel Kgaa Alkaline band passivation
US7029541B2 (en) * 2002-01-24 2006-04-18 Pavco, Inc. Trivalent chromate conversion coating
DE10223022A1 (en) * 2002-05-22 2003-12-11 Christoph Schulz Conversion layer for substrates made of zinc or alloys containing zinc
JP4492434B2 (en) * 2005-05-16 2010-06-30 日立電線株式会社 Copper foil for printed wiring board, method for producing the same, and trivalent chromium chemical conversion treatment solution used for the production
JP5198727B2 (en) * 2005-10-07 2013-05-15 ディップソール株式会社 Treatment solution for forming black hexavalent chromium-free conversion coating on zinc or zinc alloy
CN101384751B (en) * 2006-02-14 2013-01-02 汉高股份及两合公司 Composition and processes of a dry-in-place trivalent chromium corrosion-resistant coating for use on metal surfaces
CA2651393C (en) * 2006-05-10 2016-11-01 Henkel Ag & Co. Kgaa Improved trivalent chromium-containing composition for use in corrosion resistant coatings on metal surfaces
US20110070429A1 (en) * 2009-09-18 2011-03-24 Thomas H. Rochester Corrosion-resistant coating for active metals
DE102010001686A1 (en) 2010-02-09 2011-08-11 Henkel AG & Co. KGaA, 40589 Composition for the alkaline passivation of zinc surfaces
ITMI20102198A1 (en) * 2010-11-26 2012-05-27 Np Coil Dexter Ind Srl PRE-TREATMENT PROCESS ON GALVANIZED STAINLESS STEEL COIL FREE OF HEAVY METALS
KR101705939B1 (en) * 2011-02-08 2017-02-10 니혼 파커라이징 가부시키가이샤 Processes and compositions for improving corrosion performance of zirconium oxide pretreated zinc surfaces
US9573162B2 (en) * 2011-02-08 2017-02-21 Henkel Ag & Co., Kgaa Processes and compositions for improving corrosion performance of zirconium oxide pretreated zinc surfaces
EP2503025B1 (en) * 2011-03-22 2013-07-03 Henkel AG & Co. KGaA Multi-step corrosion-resistant treatment of metallic workpieces having at least partially zinc or zinc alloy surfaces
US10156016B2 (en) 2013-03-15 2018-12-18 Henkel Ag & Co. Kgaa Trivalent chromium-containing composition for aluminum and aluminum alloys
IT201800009491A1 (en) 2018-10-17 2020-04-17 Condoroil Chemical Srl Conversion treatment for cobalt-free hot-dip galvanized coils.

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE652525A (en) * 1963-09-23 1964-12-16
US3515600A (en) * 1966-10-19 1970-06-02 Hooker Chemical Corp Metal treating process and composition
FR2152576A1 (en) * 1971-09-07 1973-04-27 Parker Ste Continentale
US3929514A (en) * 1974-03-05 1975-12-30 Heatbath Corp Composition and method for forming a protective coating on a zinc metal surface
EP0038122A1 (en) * 1980-03-19 1981-10-21 Amchem Products, Inc. Forming corrosion-resistant coatings upon the surfaces of metals, especially zinc
US4381203A (en) * 1981-11-27 1983-04-26 Amchem Products, Inc. Coating solutions for zinc surfaces

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3404046A (en) * 1964-09-25 1968-10-01 Hooker Chemical Corp Chromating of zinc and aluminum and composition therefor
GB1090310A (en) * 1965-10-19 1967-11-08 Pyrene Co Ltd Processes for cleaning and coating metal surfaces
US3444007A (en) * 1967-03-13 1969-05-13 Hooker Chemical Corp Process of forming paint-base coatings on zinc and zinc alloy surfaces
US3932198A (en) * 1974-05-24 1976-01-13 Amchem Products, Inc. Coating solution having trivalent chromium and manganese for coating metal surfaces
JPS53120644A (en) * 1977-03-31 1978-10-21 Nippon Packaging Kk Surface treatment method of aluminium and its alloy
US4171231A (en) * 1978-04-27 1979-10-16 R. O. Hull & Company, Inc. Coating solutions of trivalent chromium for coating zinc surfaces
WO1981002311A1 (en) * 1980-02-06 1981-08-20 Bnf Metals Tech Centre Method of producing conversion coatings
JPS60152682A (en) * 1984-01-20 1985-08-10 Nippon Parkerizing Co Ltd Phosphate treatment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE652525A (en) * 1963-09-23 1964-12-16
US3515600A (en) * 1966-10-19 1970-06-02 Hooker Chemical Corp Metal treating process and composition
FR2152576A1 (en) * 1971-09-07 1973-04-27 Parker Ste Continentale
US3929514A (en) * 1974-03-05 1975-12-30 Heatbath Corp Composition and method for forming a protective coating on a zinc metal surface
EP0038122A1 (en) * 1980-03-19 1981-10-21 Amchem Products, Inc. Forming corrosion-resistant coatings upon the surfaces of metals, especially zinc
US4381203A (en) * 1981-11-27 1983-04-26 Amchem Products, Inc. Coating solutions for zinc surfaces

Also Published As

Publication number Publication date
EP0240943A2 (en) 1987-10-14
CA1284762C (en) 1991-06-11
DE3711095A1 (en) 1987-10-15
CN87103418A (en) 1987-11-11
ES2018188B3 (en) 1991-04-01
GB8608508D0 (en) 1986-05-14
EP0240943B1 (en) 1990-10-10
US4801337A (en) 1989-01-31
DE3765445D1 (en) 1990-11-15
GB2188946A (en) 1987-10-14
GB2188946B (en) 1990-08-01
GB8707748D0 (en) 1987-05-07
KR870010219A (en) 1987-11-30

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