DE1247116B - Verfahren zum Regenerieren von waessrigen, sauren Chromatierungsloesungen - Google Patents

Verfahren zum Regenerieren von waessrigen, sauren Chromatierungsloesungen

Info

Publication number
DE1247116B
DE1247116B DEA32784A DEA0032784A DE1247116B DE 1247116 B DE1247116 B DE 1247116B DE A32784 A DEA32784 A DE A32784A DE A0032784 A DEA0032784 A DE A0032784A DE 1247116 B DE1247116 B DE 1247116B
Authority
DE
Germany
Prior art keywords
ions
aluminum
potassium
sodium
fluoride
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.)
Pending
Application number
DEA32784A
Other languages
German (de)
English (en)
Inventor
Nelson James Newhard Jun
David Yeats Dollman
Lansdale Mounted Route
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.)
Henkel Corp
Original Assignee
Amchem Products Inc
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 Amchem Products Inc filed Critical Amchem Products Inc
Publication of DE1247116B publication Critical patent/DE1247116B/de
Pending 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
    • C23C22/37—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 hexavalent chromium compounds
    • C23C22/38—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 hexavalent chromium compounds containing also phosphates
    • 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)
  • Glass Compositions (AREA)
DEA32784A 1958-09-24 1959-09-03 Verfahren zum Regenerieren von waessrigen, sauren Chromatierungsloesungen Pending DE1247116B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US762932A US2909455A (en) 1958-09-24 1958-09-24 Method of coating a succession of aluminum surfaces

Publications (1)

Publication Number Publication Date
DE1247116B true DE1247116B (de) 1967-08-10

Family

ID=25066445

Family Applications (1)

Application Number Title Priority Date Filing Date
DEA32784A Pending DE1247116B (de) 1958-09-24 1959-09-03 Verfahren zum Regenerieren von waessrigen, sauren Chromatierungsloesungen

Country Status (4)

Country Link
US (1) US2909455A (fr)
DE (1) DE1247116B (fr)
FR (1) FR1236376A (fr)
GB (1) GB891910A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4434907A1 (de) * 1994-09-29 1996-04-04 Chemal Katschmareck Gmbh & Co Langzeit-Chromatierverfahren

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL248160A (fr) * 1959-02-09
US3015594A (en) * 1959-10-23 1962-01-02 Parker Rust Proof Co Phosphate coating process
GB851027A (en) * 1959-12-17 1960-10-12 Amchem Prod Improvements in or relating to the application of chemically-bonded coatings to the surface of aluminium
US3061484A (en) * 1960-08-04 1962-10-30 Amchem Prod Method of controlling the aluminum content of aqueous acid aluminum coating solutions
US3140245A (en) * 1961-08-23 1964-07-07 Gallaccio Anthony Dulling hard aluminum oxide coatings on aluminum-rich basis metals
US3331710A (en) * 1963-08-23 1967-07-18 Hooker Chemical Corp Method for coating aluminum
US3377212A (en) * 1966-10-14 1968-04-09 Amchem Prod Method for coating tortuous aluminum shapes
JPS5336819B2 (fr) * 1974-08-23 1978-10-05
US4131489A (en) * 1978-03-31 1978-12-26 Amchem Products, Inc. Chromate conversion composition and method for coating aluminum using low concentrations of chromate, phosphate and fluoride ions
DE4029956A1 (de) * 1990-09-21 1992-03-26 Metallgesellschaft Ag Phosphatierverfahren
ATE263853T1 (de) * 1999-11-03 2004-04-15 Alcoa Inc Beschichtung von aluminiumlegierungssubstraten

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2438877A (en) * 1945-09-06 1948-03-30 American Chem Paint Co Composition for and method of coating aluminum
US2494908A (en) * 1947-02-07 1950-01-17 American Chem Paint Co Method of coating ferriferous metals and zinciferous metals
BE515458A (fr) * 1951-11-12
US2777785A (en) * 1953-07-30 1957-01-15 Heintz Mfg Co Composition for and method of treating metals as well as the treated product

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4434907A1 (de) * 1994-09-29 1996-04-04 Chemal Katschmareck Gmbh & Co Langzeit-Chromatierverfahren

Also Published As

Publication number Publication date
US2909455A (en) 1959-10-20
GB891910A (en) 1962-03-21
FR1236376A (fr) 1960-07-15

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