ATE75783T1 - METHOD OF CLEANING ALUMINUM CONTAINERS. - Google Patents
METHOD OF CLEANING ALUMINUM CONTAINERS.Info
- Publication number
- ATE75783T1 ATE75783T1 AT87100373T AT87100373T ATE75783T1 AT E75783 T1 ATE75783 T1 AT E75783T1 AT 87100373 T AT87100373 T AT 87100373T AT 87100373 T AT87100373 T AT 87100373T AT E75783 T1 ATE75783 T1 AT E75783T1
- Authority
- AT
- Austria
- Prior art keywords
- soln
- rinsing
- containers
- pref
- acid
- Prior art date
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
- 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
-
- 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
-
- 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
- C23G1/22—Light metals
Abstract
Aluminium containers are cleaned using an alkaline cleaning soln., followed by rinsing at least once with an aq. soln. whose pH is not more than 2.5. The use of the process as a pretreatment for aluminium containers before the application of coatings is also claimed. Pref. the aluminium containers are rinsed with an acid aq. soln. of pH about 2, whose temp. is less than 65.6 deg.C, esp. 32.2-54.4 deg.C, before and/or after treatment with the alkaline cleaning soln. After the alkaline treatment, the containers are rinsed in several steps, in which the second step involves rinsing with an aq. soln. whose pH is not more than 2.5. Pref. the rinsing with the aq. soln. is with a spray, the aq. acid soln. contains fluoride ions, and rinsing with water takes place after the rinsing with aq. acid. Pref. after treatment with the alkaline cleaning soln. and rinsing, the aluminium containers are dried.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82086986A | 1986-01-21 | 1986-01-21 | |
EP87100373A EP0230903B1 (en) | 1986-01-21 | 1987-01-14 | Process for cleaning aluminium containers |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE75783T1 true ATE75783T1 (en) | 1992-05-15 |
Family
ID=25231936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT87100373T ATE75783T1 (en) | 1986-01-21 | 1987-01-14 | METHOD OF CLEANING ALUMINUM CONTAINERS. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0230903B1 (en) |
JP (1) | JP2719612B2 (en) |
AT (1) | ATE75783T1 (en) |
DE (2) | DE3700842A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5051679B2 (en) | 2003-08-29 | 2012-10-17 | 日本パーカライジング株式会社 | Alkali cleaning method for aluminum or aluminum alloy DI can |
JP4970429B2 (en) * | 2005-05-19 | 2012-07-04 | ハイドロ アルミニウム ドイチュラント ゲー エム ベー ハー | Litho strip conditioning |
DE102005050556B8 (en) * | 2005-10-17 | 2007-07-26 | Mack Gmbh | Process for cleaning metal-containing surfaces and use of a cleaning solution |
CN103084470B (en) * | 2013-01-30 | 2015-07-22 | 杭州吉众机电有限公司 | Manufacturing craft of monitoring box base seat and mould thereof |
JP5580948B1 (en) * | 2013-09-27 | 2014-08-27 | 日本ペイント株式会社 | Surface treatment method for aluminum cans |
CN107532308A (en) * | 2015-05-01 | 2018-01-02 | 诺维尔里斯公司 | Continuous coiled material preprocess method |
EP3498890A1 (en) * | 2017-12-12 | 2019-06-19 | Hydro Aluminium Rolled Products GmbH | Pickling process for profiles, rolled sheets and sheets made of aluminium alloys |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3634262A (en) * | 1970-05-13 | 1972-01-11 | Macdermid Inc | Process and compositions for treating aluminum and aluminum alloys |
US3728188A (en) * | 1971-07-29 | 1973-04-17 | Amchem Prod | Chrome-free deoxidizing and desmutting composition and method |
JPS5035033A (en) * | 1973-08-02 | 1975-04-03 | ||
US3952698A (en) * | 1973-09-27 | 1976-04-27 | Kaiser Aluminum & Chemical Corporation | Can treating system |
JPS545374A (en) * | 1977-06-15 | 1979-01-16 | Hitachi Ltd | Electronic gun |
JPS5413430A (en) * | 1977-10-20 | 1979-01-31 | Riken Keikinzoku Kogyo Kk | Method of pretreating aluminum or aluminum alloy materials |
DE3029166C2 (en) * | 1980-08-01 | 1984-04-12 | Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach | Cleaning process for soldered aluminum components |
EP0064295B1 (en) * | 1981-05-04 | 1985-11-21 | Walter Batiuk | Method of improving the corrosion resistance of chemical conversion coated aluminum |
US4540444A (en) * | 1982-08-12 | 1985-09-10 | Amchem Products, Inc. | Aluminum cleaner and system |
ZA846933B (en) * | 1983-09-16 | 1985-04-24 | Robertson Co H H | Method for providing environmentally stable aluminum surfaces for painting and adhesive bonding and product produced |
DE3511514A1 (en) * | 1984-04-02 | 1985-10-10 | Parker Chemical Co., Madison Heights, Mich. | METHOD AND AQUEOUS, ACIDIC CLEANING SOLUTION FOR CLEANING ALUMINUM SURFACES |
-
1987
- 1987-01-09 JP JP62003087A patent/JP2719612B2/en not_active Expired - Lifetime
- 1987-01-14 DE DE19873700842 patent/DE3700842A1/en not_active Withdrawn
- 1987-01-14 EP EP87100373A patent/EP0230903B1/en not_active Expired - Lifetime
- 1987-01-14 DE DE8787100373T patent/DE3778715D1/en not_active Expired - Fee Related
- 1987-01-14 AT AT87100373T patent/ATE75783T1/en active
Also Published As
Publication number | Publication date |
---|---|
EP0230903A2 (en) | 1987-08-05 |
JP2719612B2 (en) | 1998-02-25 |
EP0230903B1 (en) | 1992-05-06 |
JPS62182291A (en) | 1987-08-10 |
DE3700842A1 (en) | 1987-07-23 |
EP0230903A3 (en) | 1989-02-08 |
DE3778715D1 (en) | 1992-06-11 |
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