GB1413464A - Formation of phosphate coatings - Google Patents
Formation of phosphate coatingsInfo
- Publication number
- GB1413464A GB1413464A GB2855774A GB2855774A GB1413464A GB 1413464 A GB1413464 A GB 1413464A GB 2855774 A GB2855774 A GB 2855774A GB 2855774 A GB2855774 A GB 2855774A GB 1413464 A GB1413464 A GB 1413464A
- Authority
- GB
- United Kingdom
- Prior art keywords
- formation
- june
- free
- total
- ratio
- 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
- C23C22/34—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 fluorides or complex fluorides
- C23C22/36—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 fluorides or complex fluorides containing also phosphates
- C23C22/362—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 fluorides or complex fluorides containing also phosphates containing also zinc cations
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)
Abstract
1413464 Phosphating iron or steel surfaces PYRENE CHEMICAL SERVICES Ltd 27 June 1974 [29 June 1973] 28557/74 Heading C7U Iron or steel surfaces are dipped in a solution (50 to 80C) containing (g./l.) 4 to 20 Zn, 3 to 20 P 2 O 5 , 20 to 50 NO 3 , 0.001 to 0.5 Ni, 0.001 to 0.05 Cu, 0.1 to 2.0 F, 0.01 to 0.5 NO 2 , free to total P 2 O 5 0.30 to 0.65:1, a ratio by weight of Zn: P 2 O 5 : NO 3 of 1 to R.3.5:1:1.5 to 6.0 and is replenished by constituents in ratio Zn: P 2 O 5 : NO 3 : Ni: Cu: F of 0.4 to 0.8: 1: 0.4 to 0.9: 0.0001 to 0.05: 0.0005 to 0.003: 0.005 to 0.1 and free to total P 2 O 5 of 0.4 to 0.8:1. The solution may also contain chlorides, sulphates, alkali or ammonium ions, and tensides. A lubricant such as lime suspensions or soap or borax solutions may be subsequently applied.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2333049A DE2333049C3 (en) | 1973-06-29 | 1973-06-29 | Process for phosphating iron and steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1413464A true GB1413464A (en) | 1975-11-12 |
Family
ID=5885409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2855774A Expired GB1413464A (en) | 1973-06-29 | 1974-06-27 | Formation of phosphate coatings |
Country Status (11)
| Country | Link |
|---|---|
| AT (1) | AT335249B (en) |
| BE (1) | BE811221A (en) |
| BR (1) | BR7405296D0 (en) |
| CH (1) | CH593348A5 (en) |
| DE (1) | DE2333049C3 (en) |
| ES (1) | ES423677A1 (en) |
| FR (1) | FR2235203B1 (en) |
| GB (1) | GB1413464A (en) |
| IT (1) | IT1015364B (en) |
| NL (1) | NL178520C (en) |
| SE (1) | SE391200B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4824490A (en) * | 1986-10-25 | 1989-04-25 | Metallgesellschaft Aktiengesellschaft | Process of producing phosphate coatings on metals |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0612217B2 (en) * | 1985-04-30 | 1994-02-16 | 日本電装株式会社 | Aluminum heat exchanger and its manufacturing method |
| ES2058464T3 (en) * | 1988-02-03 | 1994-11-01 | Metallgesellschaft Ag | PROCEDURE FOR THE GENERATION OF PHOSPHATE COATING ON METALS. |
-
1973
- 1973-06-29 DE DE2333049A patent/DE2333049C3/en not_active Expired
-
1974
- 1974-01-30 FR FR7403091A patent/FR2235203B1/fr not_active Expired
- 1974-02-18 BE BE141086A patent/BE811221A/en not_active IP Right Cessation
- 1974-02-27 ES ES423677A patent/ES423677A1/en not_active Expired
- 1974-04-22 AT AT333074A patent/AT335249B/en not_active IP Right Cessation
- 1974-05-27 NL NLAANVRAGE7407062,A patent/NL178520C/en not_active IP Right Cessation
- 1974-06-25 IT IT24378/74A patent/IT1015364B/en active
- 1974-06-27 CH CH884674A patent/CH593348A5/xx not_active IP Right Cessation
- 1974-06-27 BR BR5296/74A patent/BR7405296D0/en unknown
- 1974-06-27 GB GB2855774A patent/GB1413464A/en not_active Expired
- 1974-06-28 SE SE7408597A patent/SE391200B/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4824490A (en) * | 1986-10-25 | 1989-04-25 | Metallgesellschaft Aktiengesellschaft | Process of producing phosphate coatings on metals |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7407062A (en) | 1974-12-31 |
| SE7408597L (en) | 1974-12-30 |
| ATA333074A (en) | 1975-02-15 |
| BE811221A (en) | 1974-06-17 |
| NL178520B (en) | 1985-11-01 |
| AT335249B (en) | 1977-02-25 |
| DE2333049A1 (en) | 1975-01-23 |
| NL178520C (en) | 1986-04-01 |
| IT1015364B (en) | 1977-05-10 |
| FR2235203A1 (en) | 1975-01-24 |
| ES423677A1 (en) | 1976-05-01 |
| FR2235203B1 (en) | 1976-10-08 |
| DE2333049B2 (en) | 1977-02-10 |
| DE2333049C3 (en) | 1980-09-25 |
| BR7405296D0 (en) | 1975-01-07 |
| CH593348A5 (en) | 1977-11-30 |
| SE391200B (en) | 1977-02-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19940626 |