ATE151120T1 - METHOD FOR CLEANING ALUMINUM AT LOW TEMPERATURES - Google Patents
METHOD FOR CLEANING ALUMINUM AT LOW TEMPERATURESInfo
- Publication number
- ATE151120T1 ATE151120T1 AT93911127T AT93911127T ATE151120T1 AT E151120 T1 ATE151120 T1 AT E151120T1 AT 93911127 T AT93911127 T AT 93911127T AT 93911127 T AT93911127 T AT 93911127T AT E151120 T1 ATE151120 T1 AT E151120T1
- Authority
- AT
- Austria
- Prior art keywords
- component
- cleaning
- acid
- polyalkoxylated
- straight
- Prior art date
Links
- 238000004140 cleaning Methods 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title abstract 3
- 229910052782 aluminium Inorganic materials 0.000 title abstract 3
- 239000004094 surface-active agent Substances 0.000 abstract 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- 238000005406 washing Methods 0.000 abstract 2
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 229920001281 polyalkylene Polymers 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/12—Light metals
-
- 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
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/12—Light metals
- C23G1/125—Light metals aluminium
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Detergent Compositions (AREA)
- Photoreceptors In Electrophotography (AREA)
- Hard Magnetic Materials (AREA)
Abstract
An acidic cleaning process for aluminum, especially aluminum cans, that includes a pre-cleaning washing stage followed by an acid cleaning stage is improved by including in the pre-cleaning washing solution both of (i) a component of polyalkoxylated straight or branched chain alcohol surfactant and (ii) a component of polyalkylene glycol-abietic acid surfactant, which are maintained during the process in a ratio of component (i) to component (ii) within the range from 0.4:1 to 3.0:1. The method is particularly useful when the acid cleaning stage also contains both these types of surfactants, but at a lower ratio. A pre-cleaner replenisher composition comprising water, sulfuric acid, and polyalkoxylated straight or branched chain alcohol surfactant is advantageously used in the process.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPL241092 | 1992-05-14 | ||
| PCT/US1993/004316 WO1993023590A1 (en) | 1992-05-14 | 1993-05-12 | Method for cleaning aluminum at low temperatures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE151120T1 true ATE151120T1 (en) | 1997-04-15 |
Family
ID=3776161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT93911127T ATE151120T1 (en) | 1992-05-14 | 1993-05-12 | METHOD FOR CLEANING ALUMINUM AT LOW TEMPERATURES |
Country Status (13)
| Country | Link |
|---|---|
| EP (1) | EP0640153B1 (en) |
| JP (1) | JPH07508074A (en) |
| KR (1) | KR950701691A (en) |
| AT (1) | ATE151120T1 (en) |
| BR (1) | BR9306357A (en) |
| CA (1) | CA2135391A1 (en) |
| DE (1) | DE69309460T2 (en) |
| ES (1) | ES2101315T3 (en) |
| GR (1) | GR3023464T3 (en) |
| MY (1) | MY110663A (en) |
| SG (1) | SG68573A1 (en) |
| WO (1) | WO1993023590A1 (en) |
| ZA (1) | ZA933362B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3570495B2 (en) | 1999-01-29 | 2004-09-29 | セイコーエプソン株式会社 | Ink jet recording head |
| NZ567889A (en) * | 2007-03-28 | 2012-06-29 | Whiteley Corp Pty Ltd | Sterilizing compositions comprising orthophthalaldehyde and non-ionic surfactants |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4124407A (en) * | 1975-08-25 | 1978-11-07 | Amchem Products, Inc. | Method for cleaning aluminum at low temperatures |
| US3969135A (en) * | 1975-02-13 | 1976-07-13 | Oxy Metal Industries Corporation | Low temperature aluminum cleaning composition and process |
| US4111722A (en) * | 1976-02-09 | 1978-09-05 | Oxy Metal Industries Corporation | Tannin treatment of aluminum with a fluoride cleaner |
| US4348294A (en) * | 1980-06-26 | 1982-09-07 | Occidental Chemical Corporation | One package replenisher for aluminum cleaner |
| ZA823166B (en) * | 1981-05-15 | 1983-03-30 | Amchem Prod | Composition and methods for the acid cleaning of aluminium surfaces |
| AT377539B (en) * | 1981-06-24 | 1985-03-25 | Badische Corp | MONOFILER, ELECTRICALLY CONDUCTING TEXTILE THREAD OF TWO COMPONENTS |
| AU553134B2 (en) * | 1982-04-07 | 1986-07-03 | Parker Chemical Company | Acid cleaning of aluminium |
| EP0157382B1 (en) * | 1984-04-02 | 1988-08-10 | PARKER CHEMICAL COMPANY (a Delaware company) | Process and an aqueous acid cleaning solution for the cleaning of aluminium surfaces |
-
1993
- 1993-05-12 KR KR1019940704066A patent/KR950701691A/en not_active Withdrawn
- 1993-05-12 BR BR9306357A patent/BR9306357A/en not_active Application Discontinuation
- 1993-05-12 WO PCT/US1993/004316 patent/WO1993023590A1/en not_active Ceased
- 1993-05-12 DE DE69309460T patent/DE69309460T2/en not_active Expired - Fee Related
- 1993-05-12 CA CA002135391A patent/CA2135391A1/en not_active Abandoned
- 1993-05-12 JP JP6503640A patent/JPH07508074A/en active Pending
- 1993-05-12 SG SG1996007008A patent/SG68573A1/en unknown
- 1993-05-12 ES ES93911127T patent/ES2101315T3/en not_active Expired - Lifetime
- 1993-05-12 AT AT93911127T patent/ATE151120T1/en not_active IP Right Cessation
- 1993-05-12 EP EP93911127A patent/EP0640153B1/en not_active Expired - Lifetime
- 1993-05-13 ZA ZA933362A patent/ZA933362B/en unknown
- 1993-05-14 MY MYPI93000896A patent/MY110663A/en unknown
-
1997
- 1997-05-16 GR GR970401113T patent/GR3023464T3/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GR3023464T3 (en) | 1997-08-29 |
| DE69309460D1 (en) | 1997-05-07 |
| ZA933362B (en) | 1993-12-08 |
| ES2101315T3 (en) | 1997-07-01 |
| JPH07508074A (en) | 1995-09-07 |
| EP0640153B1 (en) | 1997-04-02 |
| MY110663A (en) | 1999-01-30 |
| CA2135391A1 (en) | 1993-11-25 |
| WO1993023590A1 (en) | 1993-11-25 |
| KR950701691A (en) | 1995-04-28 |
| EP0640153A1 (en) | 1995-03-01 |
| SG68573A1 (en) | 1999-11-16 |
| BR9306357A (en) | 1998-06-30 |
| DE69309460T2 (en) | 1997-10-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| REN | Ceased due to non-payment of the annual fee |