GB851027A - Improvements in or relating to the application of chemically-bonded coatings to the surface of aluminium - Google Patents

Improvements in or relating to the application of chemically-bonded coatings to the surface of aluminium

Info

Publication number
GB851027A
GB851027A GB1261759A GB1261759A GB851027A GB 851027 A GB851027 A GB 851027A GB 1261759 A GB1261759 A GB 1261759A GB 1261759 A GB1261759 A GB 1261759A GB 851027 A GB851027 A GB 851027A
Authority
GB
United Kingdom
Prior art keywords
aluminium
chemically
relating
application
bonded coatings
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
GB1261759A
Inventor
Nelson James Newhard Jr
David Yeats Dollman
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.)
Henkel Corp
Original Assignee
Amchem Products Inc
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 Products Inc filed Critical Amchem Products Inc
Publication of GB851027A publication Critical patent/GB851027A/en
Expired legal-status Critical Current

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
    • C23C—COATING 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
    • C23C22/00—Chemical 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
    • C23C22/05—Chemical 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
    • C23C22/06—Chemical 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
    • C23C22/34—Chemical 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
    • C23C22/37—Chemical 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
    • C23C22/38—Chemical 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 containing also phosphates
    • 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
    • C23C—COATING 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
    • C23C22/00—Chemical 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
    • C23C22/86—Regeneration of coating baths

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)

Abstract

The baths of the parent Specification are modified so as to contain 1.9-2.1 mols of potassium per mol of sodium. Baths which p do not initially contain these relative proportions of potassium and sodium may be replenished so as to adjust the proportions to within the specified range. Specification 832,486 also is referred to.
GB1261759A 1959-12-17 1959-04-14 Improvements in or relating to the application of chemically-bonded coatings to the surface of aluminium Expired GB851027A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86007759A 1959-12-17 1959-12-17

Publications (1)

Publication Number Publication Date
GB851027A true GB851027A (en) 1960-10-12

Family

ID=25332439

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1261759A Expired GB851027A (en) 1959-12-17 1959-04-14 Improvements in or relating to the application of chemically-bonded coatings to the surface of aluminium
GB4252960A Expired GB927814A (en) 1959-12-17 1960-12-09 Improvements in or relating to the production of chemical conversion coatings upon aluminium and its alloys

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB4252960A Expired GB927814A (en) 1959-12-17 1960-12-09 Improvements in or relating to the production of chemical conversion coatings upon aluminium and its alloys

Country Status (2)

Country Link
DE (1) DE1242973B (en)
GB (2) GB851027A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL210440A (en) * 1956-05-23
US2909455A (en) * 1958-09-24 1959-10-20 Amchem Prod Method of coating a succession of aluminum surfaces

Also Published As

Publication number Publication date
GB927814A (en) 1963-06-06
DE1242973B (en) 1967-06-22

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