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WO2003033766A3 - Procede de protection contre la corrosion - Google Patents

Procede de protection contre la corrosion Download PDF

Info

Publication number
WO2003033766A3
WO2003033766A3 PCT/EP2002/011354 EP0211354W WO03033766A3 WO 2003033766 A3 WO2003033766 A3 WO 2003033766A3 EP 0211354 W EP0211354 W EP 0211354W WO 03033766 A3 WO03033766 A3 WO 03033766A3
Authority
WO
WIPO (PCT)
Prior art keywords
corrosion protection
protection process
hypohalite
contacting
containing composition
Prior art date
Application number
PCT/EP2002/011354
Other languages
English (en)
Other versions
WO2003033766A2 (fr
Inventor
Michael John Bowyer
Stephen Kelly
John Stewart
Original Assignee
Unilever Plc
Unilever Nv
Lever Hindustan Ltd
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 Unilever Plc, Unilever Nv, Lever Hindustan Ltd filed Critical Unilever Plc
Priority to AU2002340545A priority Critical patent/AU2002340545A1/en
Publication of WO2003033766A2 publication Critical patent/WO2003033766A2/fr
Publication of WO2003033766A3 publication Critical patent/WO2003033766A3/fr

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
    • C23C22/50—Treatment of iron 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
    • C23C22/68—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 solutions with pH between 6 and 8

Landscapes

  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Detergent Compositions (AREA)

Abstract

L'invention concerne un procédé de protection contre la corrosion d'une surface inoxydable, au moyen d'une préparation contenant de l'hypohalite. Ledit procédé consiste à : (a) mettre la surface en contact avec une préparation comprenant du peroxyde d'hydrogène ; et (b) mettre la surface en contact avec une préparation contenant de l'hypohalite.
PCT/EP2002/011354 2001-10-16 2002-10-10 Procede de protection contre la corrosion WO2003033766A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002340545A AU2002340545A1 (en) 2001-10-16 2002-10-10 Corrosion protection process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0124846.7 2001-10-16
GBGB0124846.7A GB0124846D0 (en) 2001-10-16 2001-10-16 Corrosion protection process

Publications (2)

Publication Number Publication Date
WO2003033766A2 WO2003033766A2 (fr) 2003-04-24
WO2003033766A3 true WO2003033766A3 (fr) 2003-10-30

Family

ID=9923962

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2002/011354 WO2003033766A2 (fr) 2001-10-16 2002-10-10 Procede de protection contre la corrosion

Country Status (4)

Country Link
US (1) US20030113224A1 (fr)
AU (1) AU2002340545A1 (fr)
GB (1) GB0124846D0 (fr)
WO (1) WO2003033766A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103966591B (zh) * 2013-01-30 2017-03-29 中国科学院金属研究所 一种提高奥氏体不锈钢抗点蚀性能的化学处理方法
JP6040094B2 (ja) * 2013-04-25 2016-12-07 株式会社Ihi ステンレス鋼部品の不動態化処理方法
WO2020250784A1 (fr) * 2019-06-11 2020-12-17 三菱瓦斯化学株式会社 Composition aqueuse, procédé de rugosification de surface d'acier inoxydable utilisant ladite composition aqueuse, acier inoxydable rugueux et procédé de fabrication associé

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE625397A (fr) *
BE765197A (fr) * 1970-04-02 1971-10-04 Stamicarbon Procede destine a augmenter la resistance a la corrosion des aciers-chrome-nickel austenitiques
EP0096151A1 (fr) * 1982-06-03 1983-12-21 Montedison S.p.A. Procédé pour inhiber la corrosion des strippers dans les installations pour la production d'urée
JPS59157285A (ja) * 1983-02-25 1984-09-06 Hitachi Ltd マルテンサイト系ステンレス鋼の前処理法
JPH07138776A (ja) * 1993-11-04 1995-05-30 Seiichi Abe 次亜塩素酸ナトリウム水溶液の金属防錆液組成物
WO1998024948A1 (fr) * 1996-12-06 1998-06-11 Siemens Aktiengesellschaft Traitement de surface de l'acier ou d'un alliage au nickel et acier ou alliage au nickel ainsi traites
JP2000345316A (ja) * 1999-06-01 2000-12-12 Nisshin Steel Co Ltd ステンレス鋼の表面改質方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE625397A (fr) *
BE765197A (fr) * 1970-04-02 1971-10-04 Stamicarbon Procede destine a augmenter la resistance a la corrosion des aciers-chrome-nickel austenitiques
EP0096151A1 (fr) * 1982-06-03 1983-12-21 Montedison S.p.A. Procédé pour inhiber la corrosion des strippers dans les installations pour la production d'urée
JPS59157285A (ja) * 1983-02-25 1984-09-06 Hitachi Ltd マルテンサイト系ステンレス鋼の前処理法
JPH07138776A (ja) * 1993-11-04 1995-05-30 Seiichi Abe 次亜塩素酸ナトリウム水溶液の金属防錆液組成物
WO1998024948A1 (fr) * 1996-12-06 1998-06-11 Siemens Aktiengesellschaft Traitement de surface de l'acier ou d'un alliage au nickel et acier ou alliage au nickel ainsi traites
JP2000345316A (ja) * 1999-06-01 2000-12-12 Nisshin Steel Co Ltd ステンレス鋼の表面改質方法

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 200118, Derwent World Patents Index; Class M14, AN 2001-172660, XP002246041 *
PATENT ABSTRACTS OF JAPAN vol. 009, no. 005 (C - 260) 10 January 1985 (1985-01-10) *
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 08 29 September 1995 (1995-09-29) *

Also Published As

Publication number Publication date
US20030113224A1 (en) 2003-06-19
WO2003033766A2 (fr) 2003-04-24
AU2002340545A1 (en) 2003-04-28
GB0124846D0 (en) 2001-12-05

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