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WO2006132426A3 - Surface treatment liquid and method of forming conversion layer - Google Patents

Surface treatment liquid and method of forming conversion layer Download PDF

Info

Publication number
WO2006132426A3
WO2006132426A3 PCT/JP2006/311888 JP2006311888W WO2006132426A3 WO 2006132426 A3 WO2006132426 A3 WO 2006132426A3 JP 2006311888 W JP2006311888 W JP 2006311888W WO 2006132426 A3 WO2006132426 A3 WO 2006132426A3
Authority
WO
WIPO (PCT)
Prior art keywords
conversion layer
surface treatment
treatment liquid
coloring material
forming
Prior art date
Application number
PCT/JP2006/311888
Other languages
French (fr)
Other versions
WO2006132426A2 (en
Inventor
Takashi Hasegawa
Hiroshi Furuya
Rolf Jansen
Original Assignee
Murata Co Ltd
Morimura Bros Inc
Surtec Internat Gmbh
Takashi Hasegawa
Hiroshi Furuya
Rolf Jansen
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 Murata Co Ltd, Morimura Bros Inc, Surtec Internat Gmbh, Takashi Hasegawa, Hiroshi Furuya, Rolf Jansen filed Critical Murata Co Ltd
Publication of WO2006132426A2 publication Critical patent/WO2006132426A2/en
Publication of WO2006132426A3 publication Critical patent/WO2006132426A3/en

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
    • C23C22/46—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
    • C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
    • C23C2222/10—Use of solutions containing trivalent chromium but free of hexavalent chromium

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)

Abstract

An object of the present invention is to enhance the stability of a hexavalent chromium-free surface treatment liquid for forming a black conversion layer. According to the present invention, there is provided a hexavalent chromium-free surface treatment solution for forming a black conversion layer on zinc or zinc alloy, containing trivalent chromium, an organic acid, an inorganic acid, and a coloring material which makes the conversion layer black, wherein the coloring material contains metal whose concentration in the solution falls within a range of 0.01 g/L to 3 g/L, wherein a molar ratio of the sum of the metal in the coloring material and trivalent chromium with respect to carboxy group falls within a range of 0.1 to 0.3, and wherein a pH value of the solution is equal to or larger than 3 and smaller than 6.
PCT/JP2006/311888 2005-06-07 2006-06-07 Surface treatment liquid and method of forming conversion layer WO2006132426A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005167327A JP4429214B2 (en) 2005-06-07 2005-06-07 Surface treatment liquid and method for forming chemical conversion film
JP2005-167327 2005-06-07

Publications (2)

Publication Number Publication Date
WO2006132426A2 WO2006132426A2 (en) 2006-12-14
WO2006132426A3 true WO2006132426A3 (en) 2007-02-15

Family

ID=37057218

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/311888 WO2006132426A2 (en) 2005-06-07 2006-06-07 Surface treatment liquid and method of forming conversion layer

Country Status (2)

Country Link
JP (1) JP4429214B2 (en)
WO (1) WO2006132426A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE431442T1 (en) * 2006-01-31 2009-05-15 Atotech Deutschland Gmbh AQUEOUS REACTION SOLUTION AND METHOD FOR PASSIVATION OF ZINC AND ZINC ALLOYS
ES2361361T3 (en) 2007-03-05 2011-06-16 Atotech Deutschland Gmbh PASSIVATION IN BLACK EXEMPT FROM CHROME (VI) FOR SURFACES CONTAINING ZINC.
JP5110505B2 (en) * 2007-04-04 2012-12-26 奥野製薬工業株式会社 Composition for overcoat for chemical conversion film formed on zinc or zinc alloy
JP5110504B2 (en) * 2007-04-04 2012-12-26 奥野製薬工業株式会社 Composition for forming black chemical conversion film
CN102758197A (en) * 2007-08-03 2012-10-31 迪普索尔化学株式会社 Corrosion-resistant trivalent-chromium chemical conversion coating and solution for trivalent-chromium chemical treatment
ATE544881T1 (en) * 2008-06-17 2012-02-15 Pangang Group Res Inst Co Ltd SILICIC ACID SOLE COMPOSITION, METHOD FOR PRODUCING THEREOF AND GALVANIZED SELF-LUBRICATING METAL MATERIAL USING THE COMPOSITION
CN102011118B (en) * 2010-12-24 2012-09-26 杭州东方表面技术有限公司 Trivalent chromium passivating agent for zinc and zinc alloy coatings
JP6101921B2 (en) * 2011-12-22 2017-03-29 日本表面化学株式会社 Pretreatment liquid for coating and coating method
US10400338B2 (en) 2017-05-12 2019-09-03 Chemeon Surface Technology, Llc pH stable trivalent chromium coating solutions
ES2848870T3 (en) 2018-10-19 2021-08-12 Atotech Deutschland Gmbh A method of electrolytically passivating a surface of silver, a silver alloy, gold, or a gold alloy

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040156999A1 (en) * 2003-02-07 2004-08-12 Pavco, Inc. Black trivalent chromium chromate conversion coating
EP1484432A1 (en) * 2002-03-14 2004-12-08 Dipsol Chemicals Co., Ltd. Treating solution for forming black hexavalent chromium-free chemical coating on zinc or zinc alloy plated substrate, and method for forming black hexavalent chromium-free chemical coating on zinc or zinc alloy plated substrate
JP2004346360A (en) * 2003-05-21 2004-12-09 Okuno Chem Ind Co Ltd Composition for depositing black chemical conversion coating

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1484432A1 (en) * 2002-03-14 2004-12-08 Dipsol Chemicals Co., Ltd. Treating solution for forming black hexavalent chromium-free chemical coating on zinc or zinc alloy plated substrate, and method for forming black hexavalent chromium-free chemical coating on zinc or zinc alloy plated substrate
US20040156999A1 (en) * 2003-02-07 2004-08-12 Pavco, Inc. Black trivalent chromium chromate conversion coating
JP2004346360A (en) * 2003-05-21 2004-12-09 Okuno Chem Ind Co Ltd Composition for depositing black chemical conversion coating

Also Published As

Publication number Publication date
WO2006132426A2 (en) 2006-12-14
JP4429214B2 (en) 2010-03-10
JP2006342376A (en) 2006-12-21

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