CA1134725A - Non-chromate conversion coatings - Google Patents

Non-chromate conversion coatings

Info

Publication number
CA1134725A
CA1134725A CA000336961A CA336961A CA1134725A CA 1134725 A CA1134725 A CA 1134725A CA 000336961 A CA000336961 A CA 000336961A CA 336961 A CA336961 A CA 336961A CA 1134725 A CA1134725 A CA 1134725A
Authority
CA
Canada
Prior art keywords
solution
conversion coating
zinc
sio2
alkylene
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
CA000336961A
Other languages
English (en)
French (fr)
Inventor
Ajay M. Bengali
Richard F. Zuendt
John L.H. Alan
Philip D. Readio
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.)
Dart Industries Inc
Original Assignee
Dart Industries 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
Priority claimed from US06/045,161 external-priority patent/US4225350A/en
Application filed by Dart Industries Inc filed Critical Dart Industries Inc
Application granted granted Critical
Publication of CA1134725A publication Critical patent/CA1134725A/en
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
    • 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
    • C23C22/53—Treatment of zinc or alloys based thereon

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)
  • Paints Or Removers (AREA)
CA000336961A 1978-10-30 1979-10-04 Non-chromate conversion coatings Expired CA1134725A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US95581278A 1978-10-30 1978-10-30
US955,812 1978-10-30
US06/045,161 US4225350A (en) 1979-06-04 1979-06-04 Non-chromate conversion coatings
US45,161 1979-06-04

Publications (1)

Publication Number Publication Date
CA1134725A true CA1134725A (en) 1982-11-02

Family

ID=26722445

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000336961A Expired CA1134725A (en) 1978-10-30 1979-10-04 Non-chromate conversion coatings

Country Status (6)

Country Link
CA (1) CA1134725A (de)
DE (1) DE2943834A1 (de)
FR (1) FR2440411A1 (de)
GB (1) GB2032466B (de)
IT (1) IT1124814B (de)
NL (1) NL7907960A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19812271B4 (de) 1998-03-20 2013-08-01 Deere & Company Einrichtung zum Überwachen des Abstandes zwischen einem Messer einer rotierenden Schneidtrommel und einer Gegenschneide einer Erntemaschine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5210834A (en) * 1975-06-02 1977-01-27 Nippon Packaging Kk Surface treatment of metal

Also Published As

Publication number Publication date
FR2440411B1 (de) 1982-07-16
IT1124814B (it) 1986-05-14
DE2943834A1 (de) 1980-05-08
NL7907960A (nl) 1980-05-02
GB2032466B (en) 1982-10-13
GB2032466A (en) 1980-05-08
IT7926889A0 (it) 1979-10-29
FR2440411A1 (fr) 1980-05-30

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Legal Events

Date Code Title Description
MKEX Expiry