GB712895A - Improvements in or relating to the production of protective coatings on ferrous metals - Google Patents
Improvements in or relating to the production of protective coatings on ferrous metalsInfo
- Publication number
- GB712895A GB712895A GB319950A GB319950A GB712895A GB 712895 A GB712895 A GB 712895A GB 319950 A GB319950 A GB 319950A GB 319950 A GB319950 A GB 319950A GB 712895 A GB712895 A GB 712895A
- Authority
- GB
- United Kingdom
- Prior art keywords
- parts
- protective coatings
- acid
- phosphoric acid
- relating
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- 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)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Protective coatings are formed on ferrous surfaces by treating the metal with phosphoric acid, allowing the acid to dry on the surface and form a phosphate therewith and then coating the surface with a primer paint containing a pigment which reacts with any residual phosphoric acid. The paint may be red iron oxide 36.5 parts, linseed oil 23 parts, benzole 6 parts, white spirit 30 parts and synthetic resin 4.5 parts, the resin being a mixture of acrylic and phenolformaldehyde types.ALSO:Protective coatings are formed on ferrous surfaces by treating the metal with phosphoric acid, allowing the acid to dry on the surface and form a phosphate therewith, and then coating the surface with a primer paint containing a pigment, e.g. red iron oxide, which reacts with any residual phosphoric acid. A 40-50 per cent. (by weight) solution of acid may be applied by brushing or a 12-18 per cent. (weight/volume) solution by immersion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB319950A GB712895A (en) | 1950-03-07 | 1950-03-07 | Improvements in or relating to the production of protective coatings on ferrous metals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB319950A GB712895A (en) | 1950-03-07 | 1950-03-07 | Improvements in or relating to the production of protective coatings on ferrous metals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB712895A true GB712895A (en) | 1954-08-04 |
Family
ID=9753823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB319950A Expired GB712895A (en) | 1950-03-07 | 1950-03-07 | Improvements in or relating to the production of protective coatings on ferrous metals |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB712895A (en) |
-
1950
- 1950-03-07 GB GB319950A patent/GB712895A/en not_active Expired
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