WO2002050341A3 - Process for the passivation of tinned stainless steel strip with a chrome-free passivation film - Google Patents

Process for the passivation of tinned stainless steel strip with a chrome-free passivation film Download PDF

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Publication number
WO2002050341A3
WO2002050341A3 PCT/IT2001/000643 IT0100643W WO0250341A3 WO 2002050341 A3 WO2002050341 A3 WO 2002050341A3 IT 0100643 W IT0100643 W IT 0100643W WO 0250341 A3 WO0250341 A3 WO 0250341A3
Authority
WO
WIPO (PCT)
Prior art keywords
tinned
passivation
chrome
stainless steel
free
Prior art date
Application number
PCT/IT2001/000643
Other languages
French (fr)
Other versions
WO2002050341A2 (en
Inventor
Cristofaro Norma De
Original Assignee
Ct Sviluppo Materiali Spa
Cristofaro Norma De
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 Ct Sviluppo Materiali Spa, Cristofaro Norma De filed Critical Ct Sviluppo Materiali Spa
Priority to AU2002225326A priority Critical patent/AU2002225326A1/en
Priority to EP01994948A priority patent/EP1368515A2/en
Publication of WO2002050341A2 publication Critical patent/WO2002050341A2/en
Publication of WO2002050341A3 publication Critical patent/WO2002050341A3/en

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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
    • C23C22/40—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 molybdates, tungstates or vanadates
    • 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
    • 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
    • C23C22/46—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 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
    • C23C22/58—Treatment of other metallic material
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D9/00—Electrolytic coating other than with metals
    • C25D9/04—Electrolytic coating other than with metals with inorganic materials
    • C25D9/08—Electrolytic coating other than with metals with inorganic materials by cathodic processes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D9/00—Electrolytic coating other than with metals
    • C25D9/04—Electrolytic coating other than with metals with inorganic materials
    • C25D9/08—Electrolytic coating other than with metals with inorganic materials by cathodic processes
    • C25D9/10—Electrolytic coating other than with metals with inorganic materials by cathodic processes on iron or steel

Abstract

Process for the passivation of tinned stainless steel strip with a Chrome-free passivation film, characterised in that it comprises the step of dipping, optionally applying a cathode current, the tinned strip in a passivation bath comprising at least one salt of a transition metal selected from Cobalt, Titanium, Zirconium and Molybdenum. The present invention further relates to the passivated tinned strip thus obtainable, to the tinned strip passivated and painted with Chrome-free paint, and to the use thereof for the production of tinned goods.
PCT/IT2001/000643 2000-12-19 2001-12-19 Process for the passivation of tinned stainless steel strip with a chrome-free passivation film WO2002050341A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2002225326A AU2002225326A1 (en) 2000-12-19 2001-12-19 Process for the passivation of tinned stainless steel strip with a chrome-free passivation film
EP01994948A EP1368515A2 (en) 2000-12-19 2001-12-19 Process for the passivation of tinned stainless steel strip with a chrome-free passivation film

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2000RM000679A IT1316032B1 (en) 2000-12-19 2000-12-19 PROCEDURE FOR THE PASSIVATION OF STAINLESS STEEL BAND WITH CHROMIUM-FREE PASSIVATION FILM.
ITRM2000A000679 2000-12-19

Publications (2)

Publication Number Publication Date
WO2002050341A2 WO2002050341A2 (en) 2002-06-27
WO2002050341A3 true WO2002050341A3 (en) 2003-09-25

Family

ID=11455067

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT2001/000643 WO2002050341A2 (en) 2000-12-19 2001-12-19 Process for the passivation of tinned stainless steel strip with a chrome-free passivation film

Country Status (4)

Country Link
EP (1) EP1368515A2 (en)
AU (1) AU2002225326A1 (en)
IT (1) IT1316032B1 (en)
WO (1) WO2002050341A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2484381C (en) 2004-10-08 2013-03-19 Anne Marie Sedgwick Supporting device
DE102009044982A1 (en) * 2009-09-24 2011-03-31 Stefan Dameron Process for electroplating and passivation
CN102268664B (en) * 2011-07-28 2013-04-17 顺德职业技术学院 Chromium-free passivating solution used for black passivation treatment of zinc plating and preparation method thereof
CN104562029A (en) * 2014-12-26 2015-04-29 江苏新华明机械制造实业有限公司 Surface treatment process for framework stamping part of high-frequency tuner
CN109975340A (en) * 2017-12-26 2019-07-05 上海梅山钢铁股份有限公司 The Microstructural Analysis of aluminium plating zinc plate chromium-free deactivation film thickness

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298404A (en) * 1979-09-06 1981-11-03 Richardson Chemical Company Chromium-free or low-chromium metal surface passivation
US4385940A (en) * 1980-01-11 1983-05-31 Kobe Steel, Limited Method for anticorrosive treatment of galvanized steel
US4444601A (en) * 1979-09-06 1984-04-24 Richardson Chemical Company Metal article passivated by a bath having an organic activator and a film-forming element
EP0732425A1 (en) * 1995-03-13 1996-09-18 British Steel plc Passivation treatment of tinplate
US5607521A (en) * 1991-11-15 1997-03-04 Ipu Instituttet For Produktudvikling Method for post-treatment of an article with a metallic surface as well as a treatment solution to be used in the method
DE19745801A1 (en) * 1997-10-16 1999-04-22 Henkel Kgaa Method for coating metals with organic film-former solutions or dispersions containing corrosion inhibitor pigment precursors

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298404A (en) * 1979-09-06 1981-11-03 Richardson Chemical Company Chromium-free or low-chromium metal surface passivation
US4444601A (en) * 1979-09-06 1984-04-24 Richardson Chemical Company Metal article passivated by a bath having an organic activator and a film-forming element
US4385940A (en) * 1980-01-11 1983-05-31 Kobe Steel, Limited Method for anticorrosive treatment of galvanized steel
US5607521A (en) * 1991-11-15 1997-03-04 Ipu Instituttet For Produktudvikling Method for post-treatment of an article with a metallic surface as well as a treatment solution to be used in the method
EP0732425A1 (en) * 1995-03-13 1996-09-18 British Steel plc Passivation treatment of tinplate
DE19745801A1 (en) * 1997-10-16 1999-04-22 Henkel Kgaa Method for coating metals with organic film-former solutions or dispersions containing corrosion inhibitor pigment precursors

Also Published As

Publication number Publication date
EP1368515A2 (en) 2003-12-10
IT1316032B1 (en) 2003-03-26
ITRM20000679A1 (en) 2002-06-19
ITRM20000679A0 (en) 2000-12-19
WO2002050341A2 (en) 2002-06-27
AU2002225326A1 (en) 2002-07-01

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