GB1037604A - Improvements in the anodizing of aluminium - Google Patents

Improvements in the anodizing of aluminium

Info

Publication number
GB1037604A
GB1037604A GB3286864A GB3286864A GB1037604A GB 1037604 A GB1037604 A GB 1037604A GB 3286864 A GB3286864 A GB 3286864A GB 3286864 A GB3286864 A GB 3286864A GB 1037604 A GB1037604 A GB 1037604A
Authority
GB
United Kingdom
Prior art keywords
anodizing
bath
aluminium
electrolyte
sealing bath
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
Application number
GB3286864A
Inventor
Saul Kessler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kaiser Aluminum and Chemical Corp
Original Assignee
Kaiser Aluminum and Chemical 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 Kaiser Aluminum and Chemical Corp filed Critical Kaiser Aluminum and Chemical Corp
Priority to GB3286864A priority Critical patent/GB1037604A/en
Publication of GB1037604A publication Critical patent/GB1037604A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/18—After-treatment, e.g. pore-sealing
    • C25D11/24—Chemical after-treatment
    • C25D11/246—Chemical after-treatment for sealing layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

An anodized coating, e.g. 0.2 to 2 mils thick, which is resistant to thermal crazing, is produced on an aluminium body, for architectural use or as automobile trim, by anodizing the body immersed in an aqueous electrolyte such as sulphuric acid, then immersing the coated body in a hot aqueous sealing bath, wherein the body is contacted, e.g. in the electrolyte and/or sealing bath or a separate bath, with para-toluene sulphonamide with or without sodium lignosulphonate, either or both preferably being in a concentration of at least 0.005 g/l.
GB3286864A 1964-08-12 1964-08-12 Improvements in the anodizing of aluminium Expired GB1037604A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3286864A GB1037604A (en) 1964-08-12 1964-08-12 Improvements in the anodizing of aluminium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3286864A GB1037604A (en) 1964-08-12 1964-08-12 Improvements in the anodizing of aluminium

Publications (1)

Publication Number Publication Date
GB1037604A true GB1037604A (en) 1966-07-27

Family

ID=10345220

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3286864A Expired GB1037604A (en) 1964-08-12 1964-08-12 Improvements in the anodizing of aluminium

Country Status (1)

Country Link
GB (1) GB1037604A (en)

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