CH429368A - Process for replenishing aqueous, acidic solutions that are used in the production of coatings on surfaces of aluminum or aluminum alloys - Google Patents

Process for replenishing aqueous, acidic solutions that are used in the production of coatings on surfaces of aluminum or aluminum alloys

Info

Publication number
CH429368A
CH429368A CH1203660A CH1203660A CH429368A CH 429368 A CH429368 A CH 429368A CH 1203660 A CH1203660 A CH 1203660A CH 1203660 A CH1203660 A CH 1203660A CH 429368 A CH429368 A CH 429368A
Authority
CH
Switzerland
Prior art keywords
aluminum
coatings
production
acidic solutions
aluminum alloys
Prior art date
Application number
CH1203660A
Other languages
German (de)
Inventor
James Newhard Nelson
Steinbrecher Lester
Yeats Dollman David
Original Assignee
Amchem Prod
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 Amchem Prod filed Critical Amchem Prod
Publication of CH429368A publication Critical patent/CH429368A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C22/00Chemical 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
    • C23C22/05Chemical 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
    • C23C22/06Chemical 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
    • C23C22/34Chemical 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
    • C23C22/37Chemical 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 hexavalent chromium compounds

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)
CH1203660A 1959-11-19 1960-10-26 Process for replenishing aqueous, acidic solutions that are used in the production of coatings on surfaces of aluminum or aluminum alloys CH429368A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US854005A US2988465A (en) 1959-11-19 1959-11-19 Method of producing chemical conversion coatings on aluminum surfaces

Publications (1)

Publication Number Publication Date
CH429368A true CH429368A (en) 1967-01-31

Family

ID=25317484

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1203660A CH429368A (en) 1959-11-19 1960-10-26 Process for replenishing aqueous, acidic solutions that are used in the production of coatings on surfaces of aluminum or aluminum alloys

Country Status (8)

Country Link
US (1) US2988465A (en)
BE (1) BE596469A (en)
CH (1) CH429368A (en)
DE (1) DE1150256B (en)
ES (1) ES258049A1 (en)
FI (1) FI40763B (en)
GB (1) GB893771A (en)
NL (1) NL258036A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3615740A (en) * 1970-02-02 1971-10-26 Pennwalt Corp Chromate conversion coating compositions containing prusside accelerator
CA1024866A (en) * 1973-04-18 1978-01-24 Yashuhiro Toyoda Colorless chromate coatings for aluminium surfaces
DE69132258D1 (en) * 1990-11-14 2000-07-27 Titeflex Corp Laminates made of fluoropolymer and aluminum

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2507956A (en) * 1947-11-01 1950-05-16 Lithographic Technical Foundat Process of coating aluminum
BE538540A (en) * 1954-08-05
US2796371A (en) * 1955-03-16 1957-06-18 Allied Res Products Inc Corrosion resistant protective coating on aluminum and aluminum alloys
AT202830B (en) * 1957-08-19 1959-04-10 Metallgesellschaft Ag Process for applying a coating to aluminum surfaces

Also Published As

Publication number Publication date
ES258049A1 (en) 1960-08-16
GB893771A (en) 1962-04-11
BE596469A (en) 1961-02-15
US2988465A (en) 1961-06-13
DE1150256B (en) 1963-06-12
NL258036A (en)
FI40763B (en) 1969-01-31

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