BR9303711A - Process for improving the corrosion resistance of copper and copper alloy radiators and obtained radiators - Google Patents

Process for improving the corrosion resistance of copper and copper alloy radiators and obtained radiators

Info

Publication number
BR9303711A
BR9303711A BR9303711A BR9303711A BR9303711A BR 9303711 A BR9303711 A BR 9303711A BR 9303711 A BR9303711 A BR 9303711A BR 9303711 A BR9303711 A BR 9303711A BR 9303711 A BR9303711 A BR 9303711A
Authority
BR
Brazil
Prior art keywords
radiators
copper
improving
corrosion resistance
copper alloy
Prior art date
Application number
BR9303711A
Other languages
Portuguese (pt)
Inventor
Cosso Marco
Ganzaroli Luigi
Original Assignee
Piemontese Radiatori
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 Piemontese Radiatori filed Critical Piemontese Radiatori
Publication of BR9303711A publication Critical patent/BR9303711A/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
    • C23C22/24—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 hexavalent chromium compounds
    • C23C22/33—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 hexavalent chromium compounds containing also phosphates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2350/00—Pretreatment of the substrate
    • B05D2350/10—Phosphatation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2401/00—Form of the coating product, e.g. solution, water dispersion, powders or the like
    • B05D2401/30—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant
    • B05D2401/32—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant applied as powders

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Paints Or Removers (AREA)
BR9303711A 1992-09-08 1993-09-06 Process for improving the corrosion resistance of copper and copper alloy radiators and obtained radiators BR9303711A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITRM920655A IT1263235B (en) 1992-09-08 1992-09-08 PROCEDURE TO IMPROVE THE CORROSION RESISTANCE OF COPPER AND COPPER ALLOY RADIATORS, AND SO OBTAINABLE RADIATORS

Publications (1)

Publication Number Publication Date
BR9303711A true BR9303711A (en) 1994-04-19

Family

ID=11401180

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9303711A BR9303711A (en) 1992-09-08 1993-09-06 Process for improving the corrosion resistance of copper and copper alloy radiators and obtained radiators

Country Status (7)

Country Link
EP (1) EP0587543B1 (en)
JP (1) JPH08152293A (en)
BR (1) BR9303711A (en)
DE (1) DE69307232T2 (en)
ES (1) ES2098717T3 (en)
IT (1) IT1263235B (en)
MX (1) MX9305490A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9409811D0 (en) * 1994-05-17 1994-07-06 Imi Yorkshire Fittings Improvements in copper alloy water fittings
US6699529B2 (en) * 2002-05-20 2004-03-02 Engelhard Corporation Method for coating vehicular radiators with ozone depleting slurry catalyst
WO2006035695A1 (en) * 2004-09-28 2006-04-06 Hayakawa Valve Production Co., Ltd. Hexavalent chromium-free surface treating method and hexavalent chromium-free lead-containing copper-base metal material
WO2007100135A1 (en) 2006-03-03 2007-09-07 Dipsol Chemicals Co., Ltd. Aqueous treating solution for forming black trivalent-chromium chemical conversion coating on zinc or zinc alloy and method of forming black trivalent-chromium chemical conversion coating
CN111118488B (en) * 2020-01-07 2022-02-18 佛山市顺德区澳宁化工有限公司 Copper material anticorrosion passivation method and preparation method of passivation solution used in method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475957A (en) * 1983-10-17 1984-10-09 Amchem Products, Inc. Coating composition
US4647315A (en) * 1985-07-01 1987-03-03 Olin Corporation Copper stainproofing technique
EP0264471B1 (en) * 1986-10-21 1991-07-24 Procoat, S.A. Coating applicable to hot metal surfaces

Also Published As

Publication number Publication date
ES2098717T3 (en) 1997-05-01
IT1263235B (en) 1996-08-05
MX9305490A (en) 1994-05-31
ITRM920655A0 (en) 1992-09-08
DE69307232D1 (en) 1997-02-20
EP0587543A2 (en) 1994-03-16
ITRM920655A1 (en) 1994-03-08
JPH08152293A (en) 1996-06-11
EP0587543A3 (en) 1995-07-26
EP0587543B1 (en) 1997-01-08
DE69307232T2 (en) 1997-07-03

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Legal Events

Date Code Title Description
EE Request for examination
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FA8 Dismissal: dismissal - article 36, par. 1 of industrial property law