AR212770A1 - PROCEDURE TO REDUCE CRUST FORMATION IN METAL PHOSPHATATION - Google Patents

PROCEDURE TO REDUCE CRUST FORMATION IN METAL PHOSPHATATION

Info

Publication number
AR212770A1
AR212770A1 AR267662A AR26766277A AR212770A1 AR 212770 A1 AR212770 A1 AR 212770A1 AR 267662 A AR267662 A AR 267662A AR 26766277 A AR26766277 A AR 26766277A AR 212770 A1 AR212770 A1 AR 212770A1
Authority
AR
Argentina
Prior art keywords
phosphatation
procedure
metal
crust formation
reduce crust
Prior art date
Application number
AR267662A
Other languages
Spanish (es)
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of AR212770A1 publication Critical patent/AR212770A1/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

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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
AR267662A 1976-05-19 1977-05-17 PROCEDURE TO REDUCE CRUST FORMATION IN METAL PHOSPHATATION AR212770A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762622276 DE2622276A1 (en) 1976-05-19 1976-05-19 METAL PHOSPHATING METHOD

Publications (1)

Publication Number Publication Date
AR212770A1 true AR212770A1 (en) 1978-09-29

Family

ID=5978389

Family Applications (1)

Application Number Title Priority Date Filing Date
AR267662A AR212770A1 (en) 1976-05-19 1977-05-17 PROCEDURE TO REDUCE CRUST FORMATION IN METAL PHOSPHATATION

Country Status (12)

Country Link
AR (1) AR212770A1 (en)
BR (1) BR7703193A (en)
CH (1) CH629539A5 (en)
DE (1) DE2622276A1 (en)
DK (1) DK217377A (en)
ES (1) ES458765A1 (en)
FR (1) FR2352069A1 (en)
IT (1) IT1084699B (en)
NL (1) NL7705325A (en)
NO (1) NO771743L (en)
PT (1) PT66563B (en)
SE (1) SE7705874L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4417965A1 (en) * 1994-05-21 1995-11-23 Henkel Kgaa Iron phosphating using substituted monocarboxylic acids

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3136663A (en) * 1960-10-24 1964-06-09 Kelite Corp Compositions and methods for preservation of metals
DE2211256C2 (en) * 1972-03-09 1982-12-02 Hoechst Ag, 6000 Frankfurt Process for the preparation of poly-α-oxy-acrylic acid
GB1549856A (en) * 1975-06-20 1979-08-08 Ici Ltd Phosphating process

Also Published As

Publication number Publication date
DE2622276A1 (en) 1977-12-08
NO771743L (en) 1977-11-22
CH629539A5 (en) 1982-04-30
SE7705874L (en) 1977-11-20
IT1084699B (en) 1985-05-28
PT66563B (en) 1979-01-22
BR7703193A (en) 1978-01-31
FR2352069B1 (en) 1981-07-24
DK217377A (en) 1977-11-20
ES458765A1 (en) 1978-03-16
PT66563A (en) 1977-06-01
NL7705325A (en) 1977-11-22
FR2352069A1 (en) 1977-12-16

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