GB1529380A - Solution and procedure for depositing a protective coating on galvanized steel parts and solution regeneration procedure - Google Patents
Solution and procedure for depositing a protective coating on galvanized steel parts and solution regeneration procedureInfo
- Publication number
- GB1529380A GB1529380A GB51468/76A GB5146876A GB1529380A GB 1529380 A GB1529380 A GB 1529380A GB 51468/76 A GB51468/76 A GB 51468/76A GB 5146876 A GB5146876 A GB 5146876A GB 1529380 A GB1529380 A GB 1529380A
- Authority
- GB
- United Kingdom
- Prior art keywords
- solution
- equivalent
- amount
- grams
- procedure
- 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
- C23C22/07—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
- C23C22/23—Condensed phosphates
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)
- Coating With Molten Metal (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Chemically Coating (AREA)
- Electroplating And Plating Baths Therefor (AREA)
Abstract
1529380 Coating galvanized steel parts INTERNATIONAL LEAD ZINC RESEARCH ORGANIZATION Inc 9 Dec 1976 [17 Dec 1975 27 April 1976] 51468/76 Heading C7U An aqueous solution for rapidly depositing a protective coating on the surface of galvanized parts e.g. galvanized steel pipe containing per litre of final solution, an amount of hexametaphosphate equivalent to 10 to 70 grams of sodium hexametaphosphate, an amount of metasilicate equivalent to 1 to 40 grams of sodium metasilicate, an amount of orthophosphoric acid equivalent to 15 to 40 cc's of orthophosphoric acid having a density of 1À71 zinc chloride in an amount equivalent to 10 to 50 grams of anhydrous zinc chloride, and sufficient calcium carbonate to adjust the pH of said solution to a value between 2 and 3. The solution may further contain an amount of chlorate equivalent to up to 20 grams of sodium chlorate and nickel in an amount equivalent to 0À5 to 20 grams of hexahydrated nickel chloride per litre of final solution. The solution may be regenerated by adding metaphosphoric acid, zinc oxide and zinc chloride.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA241973 | 1975-12-17 | ||
| CA251145 | 1976-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1529380A true GB1529380A (en) | 1978-10-18 |
Family
ID=25668170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB51468/76A Expired GB1529380A (en) | 1975-12-17 | 1976-12-09 | Solution and procedure for depositing a protective coating on galvanized steel parts and solution regeneration procedure |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5275625A (en) |
| CH (1) | CH618470A5 (en) |
| DE (1) | DE2655638A1 (en) |
| DK (1) | DK543976A (en) |
| ES (3) | ES466039A1 (en) |
| FR (1) | FR2335617A1 (en) |
| GB (1) | GB1529380A (en) |
| IE (1) | IE44108B1 (en) |
| IL (1) | IL50890A (en) |
| LU (1) | LU76393A1 (en) |
| NL (1) | NL7613986A (en) |
| NO (1) | NO764086L (en) |
| SE (1) | SE7613231L (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1204269A (en) * | 1958-04-05 | 1960-01-25 | Parker Ste Continentale | Process to facilitate cold forming |
| NL281233A (en) * | 1961-08-03 | |||
| DE1621529A1 (en) * | 1967-03-09 | 1971-05-06 | Wasserversorgung Abwasse | Process for the formation of protective layers on the steel parts of submersible motors to increase the service life of submersible motor pumps |
| FR2258464A1 (en) * | 1974-01-23 | 1975-08-18 | Int Lead Zinc Res | Corrosion resistant coating on galvanised iron - protects pipes carrying hot water and water contg. copper ions |
-
1976
- 1976-11-11 IL IL50890A patent/IL50890A/en unknown
- 1976-11-25 SE SE7613231A patent/SE7613231L/en unknown
- 1976-11-30 NO NO764086A patent/NO764086L/no unknown
- 1976-12-01 JP JP51145178A patent/JPS5275625A/en active Pending
- 1976-12-03 DK DK543976A patent/DK543976A/en unknown
- 1976-12-08 DE DE19762655638 patent/DE2655638A1/en not_active Withdrawn
- 1976-12-09 IE IE2690/76A patent/IE44108B1/en unknown
- 1976-12-09 GB GB51468/76A patent/GB1529380A/en not_active Expired
- 1976-12-13 FR FR7637425A patent/FR2335617A1/en not_active Withdrawn
- 1976-12-15 LU LU76393A patent/LU76393A1/xx unknown
- 1976-12-16 NL NL7613986A patent/NL7613986A/en not_active Application Discontinuation
- 1976-12-16 CH CH1584676A patent/CH618470A5/en not_active IP Right Cessation
-
1978
- 1978-01-16 ES ES466039A patent/ES466039A1/en not_active Expired
- 1978-01-16 ES ES466040A patent/ES466040A1/en not_active Expired
- 1978-01-16 ES ES466038A patent/ES466038A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NO764086L (en) | 1977-06-20 |
| ES466039A1 (en) | 1978-10-01 |
| SE7613231L (en) | 1977-06-18 |
| ES466040A1 (en) | 1978-10-01 |
| DE2655638A1 (en) | 1977-07-07 |
| NL7613986A (en) | 1977-06-21 |
| CH618470A5 (en) | 1980-07-31 |
| FR2335617A1 (en) | 1977-07-15 |
| IE44108L (en) | 1977-06-17 |
| JPS5275625A (en) | 1977-06-24 |
| ES466038A1 (en) | 1978-10-01 |
| IL50890A (en) | 1979-10-31 |
| DK543976A (en) | 1977-06-18 |
| LU76393A1 (en) | 1977-06-10 |
| IE44108B1 (en) | 1981-08-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |