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
Application number
AT87100373T
Other languages
German (de)
Inventor
Thomas H Fick
Samuel T Farina
Peter F King
Original Assignee
Henkel Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henkel Corp filed Critical Henkel Corp
Application granted granted Critical
Publication of ATE75783T1 publication Critical patent/ATE75783T1/en

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

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)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Detergent Compositions (AREA)

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.
AT87100373T 1986-01-21 1987-01-14 METHOD OF CLEANING ALUMINUM CONTAINERS. ATE75783T1 (en)

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 (8)

* Cited by examiner, † Cited by third party
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
ES2389051T5 (en) * 2005-05-19 2021-07-07 Hydro Aluminium Rolled Prod Conditioning of a lithographic strip
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
CA2984597C (en) 2015-05-01 2020-06-16 Novelis Inc. Continuous coil pretreatment process
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
WO2025184013A1 (en) * 2024-02-27 2025-09-04 Novelis Inc. Acid coating for improved cleaning

Family Cites Families (11)

* Cited by examiner, † Cited by third party
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
DE3267535D1 (en) * 1981-05-04 1986-01-02 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
DE3564293D1 (en) * 1984-04-02 1988-09-15 Parker Chemical Co Process and an aqueous acid cleaning solution for the cleaning of aluminium surfaces

Also Published As

Publication number Publication date
JP2719612B2 (en) 1998-02-25
JPS62182291A (en) 1987-08-10
EP0230903A2 (en) 1987-08-05
DE3778715D1 (en) 1992-06-11
EP0230903A3 (en) 1989-02-08
DE3700842A1 (en) 1987-07-23
EP0230903B1 (en) 1992-05-06

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