EP0478028A3 - Phosphating method - Google Patents

Phosphating method Download PDF

Info

Publication number
EP0478028A3
EP0478028A3 EP19910202119 EP91202119A EP0478028A3 EP 0478028 A3 EP0478028 A3 EP 0478028A3 EP 19910202119 EP19910202119 EP 19910202119 EP 91202119 A EP91202119 A EP 91202119A EP 0478028 A3 EP0478028 A3 EP 0478028A3
Authority
EP
European Patent Office
Prior art keywords
phosphating method
phosphating
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
EP19910202119
Other languages
German (de)
Other versions
EP0478028B1 (en
EP0478028A2 (en
Inventor
Horst Dr. Gehmecker
Thomas Kolberg
Dirk Meyer
Gerhard Mueller
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
Original Assignee
Metallgesellschaft AG
Continentale Parker SA
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, Continentale Parker SA filed Critical Metallgesellschaft AG
Publication of EP0478028A2 publication Critical patent/EP0478028A2/en
Publication of EP0478028A3 publication Critical patent/EP0478028A3/en
Application granted granted Critical
Publication of EP0478028B1 publication Critical patent/EP0478028B1/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
    • 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
    • C23C22/34—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 fluorides or complex fluorides
    • C23C22/36—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 fluorides or complex fluorides containing also phosphates
    • C23C22/362—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 fluorides or complex fluorides containing also phosphates containing also zinc cations
    • 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
    • C23C22/86—Regeneration of coating baths

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)
EP91202119A 1990-09-21 1991-08-20 Phosphating method Expired - Lifetime EP0478028B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4029956 1990-09-21
DE4029956A DE4029956A1 (en) 1990-09-21 1990-09-21 PHOSPHATING PROCESS

Publications (3)

Publication Number Publication Date
EP0478028A2 EP0478028A2 (en) 1992-04-01
EP0478028A3 true EP0478028A3 (en) 1992-04-15
EP0478028B1 EP0478028B1 (en) 1995-03-01

Family

ID=6414710

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91202119A Expired - Lifetime EP0478028B1 (en) 1990-09-21 1991-08-20 Phosphating method

Country Status (4)

Country Link
US (1) US5135583A (en)
EP (1) EP0478028B1 (en)
JP (1) JPH04246178A (en)
DE (2) DE4029956A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9207725D0 (en) * 1992-04-08 1992-05-27 Brent Chemicals Int Phosphating solution for metal substrates
DE4443882A1 (en) * 1994-12-09 1996-06-13 Metallgesellschaft Ag Process for applying phosphate coatings on metal surfaces
US6162508A (en) * 1998-11-02 2000-12-19 Nortel Networks Limited Molybdenum phosphate based corrosion resistant conversion coatings

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2909455A (en) * 1958-09-24 1959-10-20 Amchem Prod Method of coating a succession of aluminum surfaces
DE1521677B1 (en) * 1965-10-26 1970-04-30 Amchem Prod Process for the production of zinc phosphate coatings on aluminum surfaces
US3519494A (en) * 1966-07-12 1970-07-07 Hooker Chemical Corp Method for coating ferrous metal surfaces
FR2313461A1 (en) * 1975-06-02 1976-12-31 Parker Ste Continentale Spray chemical conversion coating for metals - using an aq. acid soln. contg. silicic acid, electrostatic field and air
EP0131298A2 (en) * 1983-07-11 1985-01-16 Amchem Products, Inc. Pretreatment compositions for metals

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0819531B2 (en) * 1989-03-02 1996-02-28 日本ペイント株式会社 Zinc phosphate treatment method for metal surface

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2909455A (en) * 1958-09-24 1959-10-20 Amchem Prod Method of coating a succession of aluminum surfaces
DE1521677B1 (en) * 1965-10-26 1970-04-30 Amchem Prod Process for the production of zinc phosphate coatings on aluminum surfaces
US3519494A (en) * 1966-07-12 1970-07-07 Hooker Chemical Corp Method for coating ferrous metal surfaces
FR2313461A1 (en) * 1975-06-02 1976-12-31 Parker Ste Continentale Spray chemical conversion coating for metals - using an aq. acid soln. contg. silicic acid, electrostatic field and air
EP0131298A2 (en) * 1983-07-11 1985-01-16 Amchem Products, Inc. Pretreatment compositions for metals

Also Published As

Publication number Publication date
EP0478028B1 (en) 1995-03-01
EP0478028A2 (en) 1992-04-01
DE4029956A1 (en) 1992-03-26
US5135583A (en) 1992-08-04
DE59104766D1 (en) 1995-04-06
JPH04246178A (en) 1992-09-02

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