BR7805487A - Processo para manutencao de eficacia de solucoes de fosfatizacao,aquosa,acidas,a base de zinco - Google Patents

Processo para manutencao de eficacia de solucoes de fosfatizacao,aquosa,acidas,a base de zinco

Info

Publication number
BR7805487A
BR7805487A BR7805487A BR7805487A BR7805487A BR 7805487 A BR7805487 A BR 7805487A BR 7805487 A BR7805487 A BR 7805487A BR 7805487 A BR7805487 A BR 7805487A BR 7805487 A BR7805487 A BR 7805487A
Authority
BR
Brazil
Prior art keywords
acids
water
zinc base
maintaining efficacy
phosphatizing solutions
Prior art date
Application number
BR7805487A
Other languages
English (en)
Portuguese (pt)
Inventor
D Hauffe
P Claude
W Rausch
Original Assignee
Metallgesellschaft Ag
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 Metallgesellschaft Ag filed Critical Metallgesellschaft Ag
Publication of BR7805487A publication Critical patent/BR7805487A/pt

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
    • 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
    • C23C22/16—Orthophosphates containing zinc cations containing also peroxy-compounds

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)
  • Catalysts (AREA)
  • Removal Of Specific Substances (AREA)
BR7805487A 1977-08-25 1978-08-24 Processo para manutencao de eficacia de solucoes de fosfatizacao,aquosa,acidas,a base de zinco BR7805487A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772738283 DE2738283A1 (de) 1977-08-25 1977-08-25 Verfahren zur phosphatierung von metallen

Publications (1)

Publication Number Publication Date
BR7805487A true BR7805487A (pt) 1979-04-17

Family

ID=6017244

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7805487A BR7805487A (pt) 1977-08-25 1978-08-24 Processo para manutencao de eficacia de solucoes de fosfatizacao,aquosa,acidas,a base de zinco

Country Status (8)

Country Link
BE (1) BE869921A (sv)
BR (1) BR7805487A (sv)
DE (1) DE2738283A1 (sv)
FR (1) FR2401236A1 (sv)
GB (1) GB2003192B (sv)
IT (1) IT1098259B (sv)
NL (1) NL7808350A (sv)
SE (1) SE7808966L (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0370535B1 (de) * 1988-11-25 1992-11-11 Metallgesellschaft Aktiengesellschaft Verfahren zum Aufbringen von Phosphatüberzügen
DE3927613A1 (de) * 1989-08-22 1991-02-28 Metallgesellschaft Ag Verfahren zur erzeugung von phosphatueberzuegen auf metalloberflaechen
DE19606018A1 (de) * 1996-02-19 1997-08-21 Henkel Kgaa Zinkphosphatierung mit geringen Gehalten an Nickel- und/oder Cobalt

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB526326A (en) * 1939-03-13 1940-09-16 Rene Jacques Kahn Improvements in phosphatizing baths, and chiefly in baths containing phosphates of iron, phosphate of zinc or phosphate of manganese
US2316810A (en) * 1940-04-10 1943-04-20 American Chemical Paiant Compa Method of and material for coating metal surfaces with water insoluble metallic phosphates
FR1312108A (fr) * 1961-11-29 1962-12-14 Parker Ste Continentale Procédé de régénération de solutions de phosphate de zinc chloratées et bromatées pour la phosphatation du fer et de l'acier

Also Published As

Publication number Publication date
DE2738283A1 (de) 1979-03-01
SE7808966L (sv) 1979-02-26
IT1098259B (it) 1985-09-07
GB2003192B (en) 1982-01-13
IT7826976A0 (it) 1978-08-24
GB2003192A (en) 1979-03-07
BE869921A (fr) 1979-02-23
FR2401236B1 (sv) 1981-11-20
FR2401236A1 (fr) 1979-03-23
NL7808350A (nl) 1979-02-27

Similar Documents

Publication Publication Date Title
BR7803299A (pt) Processo para a manufatura de tetrafluoretano
BR7803709A (pt) Processo para a preparacao de sais de amonio quaternario polimeros
IT1159133B (it) Processo di rivestimento perfezionato
BR7802426A (pt) Processo para a preparacao de acidos de poli-eter-amidas
BR7808435A (pt) Processo para a formacao de nitrodiarilamina
BR7808444A (pt) Processo para a formacao de nitrodiarilamina
BR7800697A (pt) Processo para a obtencao de agentes de revestimento catodicamente depositaveis
BR7806190A (pt) Processo para a producao de compostos heteromacrociclicos
BR7802235A (pt) Processo para a volatilizacao de zinco
BR7804546A (pt) Processo para a preparacao de sais monoalcalinos de acido 8-amino-8-naftol-3,6-dissulfonico(acido h)
BR7802618A (pt) Processo para a producao de derivados de ureia
IT1122972B (it) Temporizzatore di processo perfezionato
BR7801842A (pt) Processo para producao de nitroso-benzeno
BR7800587A (pt) Processo para a preparacao de pecas compostas
IT1095557B (it) Processo di granulazione
BR7803684A (pt) Processo para a preparacao de um eletrode-posito e solucao de deposicao aquosa
BR7805685A (pt) Processo para a preparacao de p-benzoquinonodicetais
BR7806150A (pt) Processo para a fabricacao de 1,1,1,2-tetrafluor-etano
BR7805487A (pt) Processo para manutencao de eficacia de solucoes de fosfatizacao,aquosa,acidas,a base de zinco
BR7801802A (pt) Processo e dispositivo para a formacao de uma solucao aquosa de um composto complexo de metal
BR7802989A (pt) Processo para a preparacao de um composto
IT1101446B (it) Processo di rivestimento
BR7803060A (pt) Processo para extracao de zinco
BR7808425A (pt) Processo para a purificacao de acidos sulfonicos
BR7802140A (pt) Processo para a preparacao de 2,3-dimetilpentanal