FR1602549A - Inhibiting aluminium in alkaline solutions using - Google Patents
Inhibiting aluminium in alkaline solutions usingInfo
- Publication number
- FR1602549A FR1602549A FR1602549DA FR1602549A FR 1602549 A FR1602549 A FR 1602549A FR 1602549D A FR1602549D A FR 1602549DA FR 1602549 A FR1602549 A FR 1602549A
- Authority
- FR
- France
- Prior art keywords
- alkaline
- alkali
- aluminium
- polyacrylic acids
- solns
- 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
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title abstract 3
- 229910052782 aluminium Inorganic materials 0.000 title abstract 3
- 239000004411 aluminium Substances 0.000 title abstract 3
- 230000002401 inhibitory effect Effects 0.000 title abstract 2
- 239000012670 alkaline solution Substances 0.000 title 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 229920002125 Sokalan® Polymers 0.000 abstract 3
- 239000003513 alkali Substances 0.000 abstract 2
- 150000003839 salts Chemical class 0.000 abstract 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- 229910019142 PO4 Inorganic materials 0.000 abstract 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract 1
- 206010039509 Scab Diseases 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 abstract 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 abstract 1
- 229910052910 alkali metal silicate Inorganic materials 0.000 abstract 1
- 150000003863 ammonium salts Chemical class 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 abstract 1
- 239000003112 inhibitor Substances 0.000 abstract 1
- 235000021317 phosphate Nutrition 0.000 abstract 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 abstract 1
- 229910052700 potassium Inorganic materials 0.000 abstract 1
- 239000011591 potassium Substances 0.000 abstract 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Substances [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/06—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in markedly alkaline liquids
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/16—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions using inhibitors
- C23G1/18—Organic inhibitors
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Detergent Compositions (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Lubricants (AREA)
Abstract
In a process for inhibiting aluminium in alkaline solns., one adds to the soln. polyacrylic acids with a specific viscosity of 0.07-0.90, or a water-soluble salt of such an acid. The attack of the alkaline solns on the aluminium is retarded. Formation of deposits and crusts, as occurs with the known alkali silicate inhibitors is avoided. The polyacrylic acids pref. have a viscosity of 0.09-0.20. The amt. used in 0.05-0.5 wt.% of the alkaline soln. Suitable salts are the sodium, potassium and ammonium salts of the polyacrylic acids. The alkaline solns. partic. contain NaOH or KOH, or alkali carbonates and alkali phosphates, alone or mixed with alkali hydroxide.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1621470 | 1967-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1602549A true FR1602549A (en) | 1970-12-21 |
Family
ID=5682536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1602549D Expired FR1602549A (en) | 1967-11-09 | 1968-11-08 | Inhibiting aluminium in alkaline solutions using |
Country Status (11)
| Country | Link |
|---|---|
| AT (1) | AT281540B (en) |
| BE (1) | BE723496A (en) |
| BR (1) | BR6803796D0 (en) |
| CH (1) | CH522748A (en) |
| DE (1) | DE1621470C3 (en) |
| DK (1) | DK121341B (en) |
| ES (1) | ES359995A1 (en) |
| FI (1) | FI46988C (en) |
| FR (1) | FR1602549A (en) |
| NL (1) | NL157664B (en) |
| SE (1) | SE334084B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2829114A (en) * | 1955-05-04 | 1958-04-01 | Universal Oil Prod Co | Corrosion inhibitor |
| FR1246106A (en) * | 1957-04-12 | 1960-11-18 | Pechiney Prod Chimiques Sa | Protection of metal surfaces |
| CA666119A (en) * | 1960-02-02 | 1963-07-02 | A. Wright William | Liquid detergent composition |
-
1967
- 1967-11-09 DE DE1967H0064399 patent/DE1621470C3/en not_active Expired
-
1968
- 1968-07-19 SE SE994368A patent/SE334084B/xx unknown
- 1968-10-11 NL NL6814587A patent/NL157664B/en not_active IP Right Cessation
- 1968-11-07 CH CH1660268A patent/CH522748A/en not_active IP Right Cessation
- 1968-11-07 AT AT1083068A patent/AT281540B/en not_active IP Right Cessation
- 1968-11-07 BE BE723496D patent/BE723496A/xx unknown
- 1968-11-07 BR BR20379668A patent/BR6803796D0/en unknown
- 1968-11-07 FI FI317468A patent/FI46988C/en active
- 1968-11-08 DK DK545368A patent/DK121341B/en not_active IP Right Cessation
- 1968-11-08 ES ES359995A patent/ES359995A1/en not_active Expired
- 1968-11-08 FR FR1602549D patent/FR1602549A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FI46988C (en) | 1973-08-10 |
| SE334084B (en) | 1971-04-05 |
| FI46988B (en) | 1973-05-02 |
| BR6803796D0 (en) | 1973-02-13 |
| BE723496A (en) | 1969-05-07 |
| DE1621470A1 (en) | 1971-05-13 |
| DK121341B (en) | 1971-10-04 |
| AT281540B (en) | 1970-05-25 |
| CH522748A (en) | 1972-06-30 |
| DE1621470C3 (en) | 1982-09-09 |
| NL157664B (en) | 1978-08-15 |
| NL6814587A (en) | 1969-05-13 |
| ES359995A1 (en) | 1970-06-16 |
| DE1621470B2 (en) | 1978-05-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |