CA1261716A - Passivation des surfaces de plomb - Google Patents

Passivation des surfaces de plomb

Info

Publication number
CA1261716A
CA1261716A CA000486844A CA486844A CA1261716A CA 1261716 A CA1261716 A CA 1261716A CA 000486844 A CA000486844 A CA 000486844A CA 486844 A CA486844 A CA 486844A CA 1261716 A CA1261716 A CA 1261716A
Authority
CA
Canada
Prior art keywords
trivalent chromium
lead
aqueous solution
ions
present
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
Application number
CA000486844A
Other languages
English (en)
Inventor
Heinz Portz
Reinhard Opitz
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.)
Gerhard Collardin GmbH
Original Assignee
Gerhard Collardin GmbH
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 Gerhard Collardin GmbH filed Critical Gerhard Collardin GmbH
Application granted granted Critical
Publication of CA1261716A publication Critical patent/CA1261716A/fr
Expired 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
    • 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
    • C23C22/06—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 aqueous acidic solutions with pH less than 6
    • C23C22/48—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 aqueous acidic solutions with pH less than 6 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
    • C23C22/58—Treatment of other metallic material
    • 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
    • C23C22/06—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 aqueous acidic solutions with pH less than 6
    • C23C22/07—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 aqueous acidic solutions with pH less than 6 containing phosphates
    • C23C22/08—Orthophosphates
    • 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)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
CA000486844A 1984-08-10 1985-07-16 Passivation des surfaces de plomb Expired CA1261716A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843429532 DE3429532A1 (de) 1984-08-10 1984-08-10 Verfahren zur passivierung von blei- und bleihaltigen oberflaechen
DEP3429532.1 1984-08-10

Publications (1)

Publication Number Publication Date
CA1261716A true CA1261716A (fr) 1989-09-26

Family

ID=6242814

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000486844A Expired CA1261716A (fr) 1984-08-10 1985-07-16 Passivation des surfaces de plomb

Country Status (4)

Country Link
EP (1) EP0171043B1 (fr)
JP (1) JPS6148575A (fr)
CA (1) CA1261716A (fr)
DE (2) DE3429532A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10400338B2 (en) 2017-05-12 2019-09-03 Chemeon Surface Technology, Llc pH stable trivalent chromium coating solutions

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4135524C2 (de) * 1991-10-28 1995-01-26 Gc Galvano Consult Gmbh Verfahren und Mittel zum Chromatieren von Oberflächen aus Zink oder Cadmium oder Legierungen davon
GB9409811D0 (en) * 1994-05-17 1994-07-06 Imi Yorkshire Fittings Improvements in copper alloy water fittings

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB118182A (en) * 1917-10-04 1918-08-22 Edwin Ebenezer Burnett Depositing Chromium upon Metals, particularly Iron, Chemically.
US3592747A (en) * 1966-08-17 1971-07-13 Samuel L Cohn & Charles C Cohn Method of forming a decorative and protective coating on a surface
DE2031358C3 (de) * 1970-06-25 1981-10-15 Gerhard Collardin GmbH, 5000 Köln Verfahren zur Erzeugung von Schutzschichten auf Aluminium, Eisen und Zink mittels saurer, komplexe Fluoride enthaltender, Lösungen
GB1461244A (en) * 1974-06-17 1977-01-13 Lubrizol Corp Treatment of metal surfaces with trivalent chromium solutions
JPS57500248A (fr) * 1980-02-06 1982-02-12
GB2117414B (en) * 1982-03-26 1985-11-13 Usui Kokusai Sangyo Kk Ferrous substrates hot dip coated with lead alloy

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10400338B2 (en) 2017-05-12 2019-09-03 Chemeon Surface Technology, Llc pH stable trivalent chromium coating solutions

Also Published As

Publication number Publication date
DE3582833D1 (de) 1991-06-20
JPS6148575A (ja) 1986-03-10
EP0171043A2 (fr) 1986-02-12
EP0171043A3 (en) 1988-06-08
EP0171043B1 (fr) 1991-05-15
DE3429532A1 (de) 1986-02-20

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Legal Events

Date Code Title Description
MKEX Expiry