CH260320A - Procédé pour l'obtention d'un revêtement protecteur insoluble sur des surfaces métalliques à l'aide d'une solution phosphatante acide. - Google Patents
Procédé pour l'obtention d'un revêtement protecteur insoluble sur des surfaces métalliques à l'aide d'une solution phosphatante acide.Info
- Publication number
- CH260320A CH260320A CH260320DA CH260320A CH 260320 A CH260320 A CH 260320A CH 260320D A CH260320D A CH 260320DA CH 260320 A CH260320 A CH 260320A
- Authority
- CH
- Switzerland
- Prior art keywords
- sep
- acid
- phosphate
- solution
- nitrite
- Prior art date
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
- C23C22/13—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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US260320XA | 1942-03-02 | 1942-03-02 | |
US433014A US2351605A (en) | 1942-03-02 | 1942-03-02 | Metal treatment |
Publications (1)
Publication Number | Publication Date |
---|---|
CH260320A true CH260320A (fr) | 1949-03-15 |
Family
ID=61187030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH260320D CH260320A (fr) | 1942-03-02 | 1946-08-10 | Procédé pour l'obtention d'un revêtement protecteur insoluble sur des surfaces métalliques à l'aide d'une solution phosphatante acide. |
Country Status (4)
Country | Link |
---|---|
US (1) | US2351605A (de) |
AT (1) | AT186083B (de) |
CH (1) | CH260320A (de) |
DE (1) | DE845135C (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2540314A (en) * | 1947-07-24 | 1951-02-06 | Parker Rust Proof Co | Process and compositions for applying phosphate coatings |
US2800422A (en) * | 1953-04-20 | 1957-07-23 | Piccinelli Achille | Process for rust-proofing and passivating iron articles |
US3161549A (en) * | 1955-04-08 | 1964-12-15 | Lubrizol Corp | Solution for forming zinc phosphate coatings on metallic surfaces |
DE1153222B (de) * | 1956-01-18 | 1963-08-22 | Metallgesellschaft Ag | Verfahren zum Aufbringen von Phosphat-ueberzuegen auf Metalloberflaechen und Loesung zur Durchfuehrung des Verfahrens |
US2884351A (en) * | 1956-01-25 | 1959-04-28 | Parker Rust Proof Co | Method of cold rolling ferrous strip stock |
US3939014A (en) * | 1974-11-20 | 1976-02-17 | Amchem Products, Inc. | Aqueous zinc phosphating solution and method of rapid coating of steel for deforming |
US4897129A (en) * | 1986-05-12 | 1990-01-30 | The Lea Manufacturing Company | Corrosion resistant coating |
US4673445A (en) * | 1986-05-12 | 1987-06-16 | The Lea Manufacturing Company | Corrosion resistant coating |
-
1942
- 1942-03-02 US US433014A patent/US2351605A/en not_active Expired - Lifetime
-
1946
- 1946-08-10 CH CH260320D patent/CH260320A/fr unknown
-
1950
- 1950-10-01 DE DEP4132A patent/DE845135C/de not_active Expired
-
1952
- 1952-10-11 AT AT186083D patent/AT186083B/de active
Also Published As
Publication number | Publication date |
---|---|
DE845135C (de) | 1952-07-28 |
US2351605A (en) | 1944-06-20 |
AT186083B (de) | 1956-07-10 |
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