PT80073A - Phosphating metals - using activated phosphoric acid solns. - Google Patents

Phosphating metals - using activated phosphoric acid solns.

Info

Publication number
PT80073A
PT80073A PT8007385A PT8007385A PT80073A PT 80073 A PT80073 A PT 80073A PT 8007385 A PT8007385 A PT 8007385A PT 8007385 A PT8007385 A PT 8007385A PT 80073 A PT80073 A PT 80073A
Authority
PT
Portugal
Prior art keywords
phosphoric acid
activator
metals
acid solns
hexafluorosilicate
Prior art date
Application number
PT8007385A
Other languages
French (fr)
Portuguese (pt)
Other versions
PT80073B (en
Original Assignee
Parker Ste Continentale
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
Priority claimed from DE3408677A external-priority patent/DE3408677C2/en
Application filed by Parker Ste Continentale filed Critical Parker Ste Continentale
Publication of PT80073A publication Critical patent/PT80073A/en
Publication of PT80073B publication Critical patent/PT80073B/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
    • C23C22/07—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
    • C23C22/12—Orthophosphates containing zinc cations
    • C23C22/17—Orthophosphates containing zinc cations containing also organic acids
    • 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
    • C23C22/12—Orthophosphates containing zinc cations
    • C23C22/13—Orthophosphates containing zinc cations containing also nitrate or nitrite anions

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

Metals, pref. steel or galvanised steel, are coated by a spray process to give a perfect phosphate layer, by use of an acid phosphating soln. cotng. 0.2-0.5 g/l. Zn(2+), 0-1 g/l. Ni(2+), 8-20 g/l. P2O5, 0.05-0.2 g/l. NO(2-), and/or 0.1-1 g/l. Nitrobenzene sulphonate, together with at least one activator selected from fluoride, hexafluorosilicate, tetrafluoroborate, formate, flycollate, nitrile triacetate, trichloracetate, ethylenediamine tetra-acetate, citrate, tartrate and condensed phosphate. Pref. at least one fluoride, hexafluorosilicate and tetrafluorobrate activator is used, with at least one citrate, tartrate and phsophate activator.
PT8007385A 1984-03-09 1985-03-07 PROCESS FOR PHOSPHATING METALS PT80073B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3408677A DE3408677C2 (en) 1983-09-05 1984-03-09 Device for conveying table or frame-shaped elements

Publications (2)

Publication Number Publication Date
PT80073A true PT80073A (en) 1985-04-01
PT80073B PT80073B (en) 1987-06-17

Family

ID=6230031

Family Applications (1)

Application Number Title Priority Date Filing Date
PT8007385A PT80073B (en) 1984-03-09 1985-03-07 PROCESS FOR PHOSPHATING METALS

Country Status (1)

Country Link
PT (1) PT80073B (en)

Also Published As

Publication number Publication date
PT80073B (en) 1987-06-17

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Legal Events

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Effective date: 20020531