IT1124813B - Rivestimenti di affinazioni non a base di cromati - Google Patents

Rivestimenti di affinazioni non a base di cromati

Info

Publication number
IT1124813B
IT1124813B IT26888/79A IT2688879A IT1124813B IT 1124813 B IT1124813 B IT 1124813B IT 26888/79 A IT26888/79 A IT 26888/79A IT 2688879 A IT2688879 A IT 2688879A IT 1124813 B IT1124813 B IT 1124813B
Authority
IT
Italy
Prior art keywords
chrome
coatings
based refining
refining
refining coatings
Prior art date
Application number
IT26888/79A
Other languages
English (en)
Italian (it)
Other versions
IT7926888A0 (it
Inventor
Ajay Mangaldas Bengali
Richard Frederick Zuendt
John Leslie Hugh Allan
Philip David Readio
Original Assignee
Dart Ind 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 Ind Inc filed Critical Dart Ind Inc
Publication of IT7926888A0 publication Critical patent/IT7926888A0/it
Application granted granted Critical
Publication of IT1124813B publication Critical patent/IT1124813B/it

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)
IT26888/79A 1978-10-30 1979-10-29 Rivestimenti di affinazioni non a base di cromati IT1124813B (it)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
IT7926888A0 IT7926888A0 (it) 1979-10-29
IT1124813B true IT1124813B (it) 1986-05-14

Family

ID=26722443

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26888/79A IT1124813B (it) 1978-10-30 1979-10-29 Rivestimenti di affinazioni non a base di cromati

Country Status (6)

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

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 (de) 1982-11-26
IT7926888A0 (it) 1979-10-29
GB2032963B (en) 1982-09-29
DE2943833A1 (de) 1980-05-08
NL7907961A (nl) 1980-05-02
CA1134727A (en) 1982-11-02
GB2032963A (en) 1980-05-14
FR2440412A1 (fr) 1980-05-30

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