CA1134727A - Non-chromate conversion coatings - Google Patents

Non-chromate conversion coatings

Info

Publication number
CA1134727A
CA1134727A CA000336962A CA336962A CA1134727A CA 1134727 A CA1134727 A CA 1134727A CA 000336962 A CA000336962 A CA 000336962A CA 336962 A CA336962 A CA 336962A CA 1134727 A CA1134727 A CA 1134727A
Authority
CA
Canada
Prior art keywords
solution
alkylene
thioureas
alkyl
organonitrogen
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
CA000336962A
Other languages
English (en)
French (fr)
Inventor
Ajay M. Bengali
Richard F. Zuendt
John L.H. Allan
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 US06/045,160 external-priority patent/US4222779A/en
Application filed by Dart Industries Inc filed Critical Dart Industries Inc
Application granted granted Critical
Publication of CA1134727A publication Critical patent/CA1134727A/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
    • C23C22/53—Treatment of zinc or alloys based thereon
    • 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

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)
CA000336962A 1978-10-30 1979-10-04 Non-chromate conversion coatings Expired CA1134727A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US95581278A 1978-10-30 1978-10-30
US955,812 1978-10-30
US45,160 1979-06-04
US06/045,160 US4222779A (en) 1979-06-04 1979-06-04 Non-chromate conversion coatings

Publications (1)

Publication Number Publication Date
CA1134727A true CA1134727A (en) 1982-11-02

Family

ID=26722443

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000336962A Expired CA1134727A (en) 1978-10-30 1979-10-04 Non-chromate conversion coatings

Country Status (6)

Country Link
CA (1) CA1134727A (it)
DE (1) DE2943833A1 (it)
FR (1) FR2440412A1 (it)
GB (1) GB2032963B (it)
IT (1) IT1124813B (it)
NL (1) NL7907961A (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2249320B (en) * 1987-11-17 1992-07-15 Toyo Kohan Co Ltd Metod for post-treatment of plated steel sheet for soldering
GB8906160D0 (en) * 1989-03-17 1989-05-04 Alcan Int Ltd Surface preparation for aluminium
US5306526A (en) * 1992-04-02 1994-04-26 Ppg Industries, Inc. Method of treating nonferrous metal surfaces by means of an acid activating agent and an organophosphate or organophosphonate and substrates treated by such method
JP3973323B2 (ja) * 1998-08-13 2007-09-12 日本ペイント株式会社 硫黄含有化合物とリン含有化合物によるノンクロム処理剤
DE19905134A1 (de) * 1999-02-09 2000-09-28 Hillebrand Walter Gmbh & Co Kg Passivierungsverfahren
WO2006079627A1 (de) 2005-01-28 2006-08-03 Basf Aktiengesellschaft Verfahren zum aufbringen von korrosionsschutzschichten umfassend thioamide auf metallische oberflächen
US7981954B2 (en) 2005-01-28 2011-07-19 Basf Aktiengesellschaft Anti-corrosion coatings containing thioamide groups

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
FR2440412B1 (it) 1982-11-26
IT7926888A0 (it) 1979-10-29
GB2032963B (en) 1982-09-29
DE2943833A1 (de) 1980-05-08
NL7907961A (nl) 1980-05-02
GB2032963A (en) 1980-05-14
IT1124813B (it) 1986-05-14
FR2440412A1 (fr) 1980-05-30

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