ES392219A1 - Phosphating compositions and process - Google Patents
Phosphating compositions and processInfo
- Publication number
- ES392219A1 ES392219A1 ES392219A ES392219A ES392219A1 ES 392219 A1 ES392219 A1 ES 392219A1 ES 392219 A ES392219 A ES 392219A ES 392219 A ES392219 A ES 392219A ES 392219 A1 ES392219 A1 ES 392219A1
- Authority
- ES
- Spain
- Prior art keywords
- phosphating
- agent
- aqueous solution
- passivating
- acidifying agent
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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
- C23C22/47—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 containing also phosphates
-
- 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
- C23C22/10—Orthophosphates containing oxidants
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)
- Lubricants (AREA)
Abstract
Procedure for phosphating-passivating metals, characterized in that the metal is brought into contact with an aqueous solution of phosphating-passivating, which contains an acidic phosphate component, an acidifying agent and, possibly, a surfactant and/or an accelerator oxidizing agent, the acidifying agent comprises at least one organic polyacid chosen from oxalic acid and hydroxypolyacids and this agent is present in an amount such that the pH of the aqueous solution is between approximately 3 and 6. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7039193A FR2110783A5 (en) | 1970-10-30 | 1970-10-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES392219A1 true ES392219A1 (en) | 1974-02-01 |
Family
ID=9063546
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES392219A Expired ES392219A1 (en) | 1970-10-30 | 1971-06-14 | Phosphating compositions and process |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE768070A (en) |
ES (1) | ES392219A1 (en) |
FR (1) | FR2110783A5 (en) |
GB (1) | GB1338468A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2632742C3 (en) * | 1976-07-21 | 1980-05-08 | Hoechst Ag, 6000 Frankfurt | Process for phosphating metals and means for producing a phosphating solution |
FR3127920A1 (en) | 2021-10-12 | 2023-04-14 | Psa Automobiles Sa | MOTOR VEHICLE WITH CLOSE AND COMPATIBLE STRETCHERS FRONTAL IMPACT WITH LOW COVERAGE |
-
1970
- 1970-10-30 FR FR7039193A patent/FR2110783A5/fr not_active Expired
-
1971
- 1971-06-03 BE BE768070A patent/BE768070A/en unknown
- 1971-06-14 ES ES392219A patent/ES392219A1/en not_active Expired
- 1971-10-07 GB GB4677371A patent/GB1338468A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1338468A (en) | 1973-11-21 |
FR2110783A5 (en) | 1972-06-02 |
BE768070A (en) | 1971-11-03 |
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