WO2000055390A1 - Procede d'obtention d'une tole d'acier traitee en surface, tole d'acier traitee en surface, et tole d'acier traitee en surface revetue de resine organique - Google Patents

Procede d'obtention d'une tole d'acier traitee en surface, tole d'acier traitee en surface, et tole d'acier traitee en surface revetue de resine organique Download PDF

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Publication number
WO2000055390A1
WO2000055390A1 PCT/JP2000/001403 JP0001403W WO0055390A1 WO 2000055390 A1 WO2000055390 A1 WO 2000055390A1 JP 0001403 W JP0001403 W JP 0001403W WO 0055390 A1 WO0055390 A1 WO 0055390A1
Authority
WO
WIPO (PCT)
Prior art keywords
steel sheet
treated steel
resin
coated
surface treated
Prior art date
Application number
PCT/JP2000/001403
Other languages
English (en)
Japanese (ja)
Inventor
Masao Komai
Masanori Yoshikawa
Original Assignee
Toyo Kohan Co., 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 Toyo Kohan Co., Ltd. filed Critical Toyo Kohan Co., Ltd.
Priority to JP2000605805A priority Critical patent/JP4179527B2/ja
Priority to AU29389/00A priority patent/AU2938900A/en
Publication of WO2000055390A1 publication Critical patent/WO2000055390A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/36—Phosphatising
    • 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
    • C23C22/07—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 phosphates
    • C23C22/08—Orthophosphates
    • 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
    • C23C22/07—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 phosphates
    • C23C22/08—Orthophosphates
    • C23C22/20—Orthophosphates containing aluminium cations

Definitions

  • the method for producing a surface-treated steel sheet according to claim 1 includes immersing or electrolytically treating the steel sheet in an aqueous solution containing one or more oxysulfates of Mo, Ti, V, or Zr and a phosphorus compound.
  • Phosphoric acid or phosphate alone forms a film, but the film is porous, and when formed on a steel plate, has poor corrosion resistance.
  • Metals such as chromium have been incorporated into phosphoric acid films for the purpose of improving corrosion resistance.Chromium, in particular, has been used extensively because of its excellent corrosion resistance and adhesion to coatings such as paints. However, as shown above, it may be harmful to the environment, and attempts have been made to use Mo, W, V, etc. as a metal instead of chromium. All of these metals are used in the form of metal oxide ions such as molybdate ion, tungstate ion, and vanadate ion, which are added to the treatment bath. The properties of the used surface treatment film were not shown.
  • the steel sheet is a Zn-plated steel sheet or a steel sheet coated with a Zn-based alloy
  • the steel sheet is combined with one or more of Mo, Ti, V, or Zr in association with Zn or an alloy element in the plating film.
  • P and Zn are mainly components that form the skeleton of the film, and it is considered that this film has excellent heat protection.
  • the protection is further improved.
  • the treatment bath of the present invention comprises molybdenum oxysulfate, titanyl sulfate, vanadyl sulfate, zirconyl sulfate, at least one of the oxysulfates of Mo, Ti, V, and Zr, and ammonium biphosphate. It consists of an aqueous solution containing a phosphorus compound such as ammonium dihydrogen phosphate or sodium biphosphate (sodium dihydrogen phosphate), as well as magnesium sulfate and aluminum sulfate that improve heat resistance.
  • a phosphorus compound such as ammonium dihydrogen phosphate or sodium biphosphate (sodium dihydrogen phosphate)
  • magnesium sulfate and aluminum sulfate that improve heat resistance.
  • sulfates of Mg or A1 may be added.
  • salts such as sodium sulfate and ammonium sulfate may be added in order to improve the conductivity and stabilize the treatment
  • any of the above metal oxysulfates can be applied to the present invention.
  • molybdenum oxysulfate and vanadyl sulfate are used, a stable treatment bath can be obtained.
  • the content of the phosphorus compound is 3 to 150 g / l, preferably 5 to 50 g / l.
  • the amount is less than 3 gZl, the amount of the formed film is small, and good film characteristics cannot be obtained. If it exceeds 150 g / 1, the processing adhesion of the film will decrease. In addition, the amount attached to the steel sheet during processing increases and is not economical.
  • the pH of the treatment bath is preferably from 1 to 5, more preferably from 2 to 4.
  • 1 "1 is less than 1, a non-uniform film is formed.
  • the pH exceeds 5, the treatment bath becomes unstable and the corrosion resistance of the film decreases.
  • the pH is adjusted by adding ammonia, alkali such as caustic soda, and sulfuric acid and phosphoric acid.
  • alkali such as caustic soda
  • sulfuric acid and phosphoric acid The temperature of the treatment bath is preferably in the range of 20 to 50 ° C.
  • a treatment film is formed on the steel sheet.
  • both immersion treatment and electrolytic treatment are possible.
  • a treatment film having a sufficient thickness can be obtained in 1 to 60 seconds, preferably 2 to 10 seconds. Even if immersed for 60 seconds or more, the thickness of the film does not increase so much.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention porte: (i) sur un procédé consistant à la soumettre unr tôle d'acier à un traitement par trempage ou électrolyse dans une solution aqueuse contenant un ou plusieurs oxydosulfates de Mo, Ti, V et Zr, et un composé phosphoreux, ou dans une solution aqueuse contenant de plus une quantité substantielle d'un ou plusieurs sulfates de Mg et de Al, et (ii) sur un procédé d'obtention d'une tôle d'acier traitée en surface revêtue de résine consistant à revêtir la tôle objet du susdit traitement par une résine organique. La tôle traitée selon le procédé (i) présente une résistance à la corrosion suffisante pour remplacer les tôles d'acier traitées par une solution de chromate, et la tôle traitée selon le procédé (ii) présente une adhérence de la résine à l'acier suffisante pour remplacer les tôles d'acier traitées par une solution de chromate revêtue de résine.
PCT/JP2000/001403 1999-03-12 2000-03-08 Procede d'obtention d'une tole d'acier traitee en surface, tole d'acier traitee en surface, et tole d'acier traitee en surface revetue de resine organique WO2000055390A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000605805A JP4179527B2 (ja) 1999-03-12 2000-03-08 表面処理鋼板の製造方法、表面処理鋼板、および表面処理鋼板に有機樹脂を被覆してなる樹脂被覆表面処理鋼板
AU29389/00A AU2938900A (en) 1999-03-12 2000-03-08 Method for producing surface treated steel sheet, surface treated steel sheet and surface treated steel sheet coated with resin comprising surface treated steelsheet and organic resin coated thereon

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6599799 1999-03-12
JP11/65997 1999-03-12

Publications (1)

Publication Number Publication Date
WO2000055390A1 true WO2000055390A1 (fr) 2000-09-21

Family

ID=13303168

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/001403 WO2000055390A1 (fr) 1999-03-12 2000-03-08 Procede d'obtention d'une tole d'acier traitee en surface, tole d'acier traitee en surface, et tole d'acier traitee en surface revetue de resine organique

Country Status (4)

Country Link
JP (1) JP4179527B2 (fr)
AU (1) AU2938900A (fr)
TW (1) TW526283B (fr)
WO (1) WO2000055390A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005097734A (ja) * 2003-08-20 2005-04-14 Jfe Steel Kk 耐食性、加工性及び外観品質が優れたクロメートフリー表面処理Ａｌ−Ｚｎ系合金めっき鋼板及びその製造方法
JP2006002171A (ja) * 2004-06-15 2006-01-05 Jfe Steel Kk 耐食性、導電性および皮膜外観に優れた表面処理鋼板
JP2007182634A (ja) * 2007-04-09 2007-07-19 Nippon Parkerizing Co Ltd 金属表面処理剤、金属表面処理方法及び表面処理金属材料
JP2008184630A (ja) * 2007-01-29 2008-08-14 Jfe Steel Kk 表面処理金属板およびその製造方法、ならびに樹脂被覆金属板、金属缶および缶蓋

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10183364A (ja) * 1996-10-30 1998-07-14 Nippon Hyomen Kagaku Kk 金属の保護皮膜形成処理剤と処理方法
JPH1161429A (ja) * 1997-08-28 1999-03-05 Nippon Steel Corp 表面処理金属材料
JPH11335865A (ja) * 1998-05-21 1999-12-07 Nippon Hyomen Kagaku Kk 金属の保護皮膜形成用処理剤と形成方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10183364A (ja) * 1996-10-30 1998-07-14 Nippon Hyomen Kagaku Kk 金属の保護皮膜形成処理剤と処理方法
JPH1161429A (ja) * 1997-08-28 1999-03-05 Nippon Steel Corp 表面処理金属材料
JPH11335865A (ja) * 1998-05-21 1999-12-07 Nippon Hyomen Kagaku Kk 金属の保護皮膜形成用処理剤と形成方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005097734A (ja) * 2003-08-20 2005-04-14 Jfe Steel Kk 耐食性、加工性及び外観品質が優れたクロメートフリー表面処理Ａｌ−Ｚｎ系合金めっき鋼板及びその製造方法
JP4500132B2 (ja) * 2003-08-20 2010-07-14 Ｊｆｅスチール株式会社 耐食性、加工性及び外観品質が優れたクロメートフリー表面処理Ａｌ−Ｚｎ系合金めっき鋼板及びその製造方法
JP2006002171A (ja) * 2004-06-15 2006-01-05 Jfe Steel Kk 耐食性、導電性および皮膜外観に優れた表面処理鋼板
JP4517737B2 (ja) * 2004-06-15 2010-08-04 Ｊｆｅスチール株式会社 耐食性、導電性および皮膜外観に優れた表面処理鋼板
JP2008184630A (ja) * 2007-01-29 2008-08-14 Jfe Steel Kk 表面処理金属板およびその製造方法、ならびに樹脂被覆金属板、金属缶および缶蓋
JP2007182634A (ja) * 2007-04-09 2007-07-19 Nippon Parkerizing Co Ltd 金属表面処理剤、金属表面処理方法及び表面処理金属材料
JP4521010B2 (ja) * 2007-04-09 2010-08-11 日本パーカライジング株式会社 金属表面処理剤、金属表面処理方法及び表面処理金属材料

Also Published As

Publication number Publication date
JP4179527B2 (ja) 2008-11-12
AU2938900A (en) 2000-10-04
TW526283B (en) 2003-04-01

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