CA950807A - Chromium-containing solutions and the treatment of metal substrates therewith - Google Patents

Chromium-containing solutions and the treatment of metal substrates therewith

Info

Publication number
CA950807A
CA950807A CA108,884,A CA108884A CA950807A CA 950807 A CA950807 A CA 950807A CA 108884 A CA108884 A CA 108884A CA 950807 A CA950807 A CA 950807A
Authority
CA
Canada
Prior art keywords
chromium
treatment
metal substrates
containing solutions
substrates therewith
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
CA108,884,A
Other languages
English (en)
Inventor
Alden J. Deyrup
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of CA950807A publication Critical patent/CA950807A/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
    • C23C22/24—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 hexavalent chromium compounds
    • C23C22/26—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 hexavalent chromium compounds containing also organic compounds
    • C23C22/27—Acids

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)
  • Adhesives Or Adhesive Processes (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Paints Or Removers (AREA)
CA108,884,A 1970-04-02 1971-03-26 Chromium-containing solutions and the treatment of metal substrates therewith Expired CA950807A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2523570A 1970-04-02 1970-04-02

Publications (1)

Publication Number Publication Date
CA950807A true CA950807A (en) 1974-07-09

Family

ID=21824846

Family Applications (1)

Application Number Title Priority Date Filing Date
CA108,884,A Expired CA950807A (en) 1970-04-02 1971-03-26 Chromium-containing solutions and the treatment of metal substrates therewith

Country Status (7)

Country Link
US (1) US3630789A (de)
BE (1) BE765133A (de)
CA (1) CA950807A (de)
DE (1) DE2116169A1 (de)
FR (1) FR2089052A5 (de)
GB (1) GB1307452A (de)
NL (1) NL7104375A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE387135B (sv) * 1972-10-18 1976-08-30 Diamond Shamrock Corp Sett att framstella en grundfergsoverdragskomposition samt medel for genomforande av settet
US4401579A (en) * 1981-09-03 1983-08-30 Acheson Industries, Inc. Water-based metal forming lubricant composition and process
JPS6134184A (ja) * 1984-07-25 1986-02-18 Nippon Dakuro Shamrock:Kk 金属表面処理液
JPS627875A (ja) * 1985-02-27 1987-01-14 Nippon Shokubai Kagaku Kogyo Co Ltd 金属酸化物の皮膜を有する金属に耐火性金属酸化物をコ−テイングする方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2559812A (en) * 1949-01-25 1951-07-10 Tennessee Coal Iron And Railro Solution and method for coating zinc surfaces
US2902390A (en) * 1955-07-01 1959-09-01 Parker Rust Proof Co Method of coating metal surface with hexavalent chromium compound and polyacrylic acid
NL282799A (de) * 1961-09-13
US3382081A (en) * 1965-09-02 1968-05-07 Diamond Shamrock Corp Chemical composition and method
US3466207A (en) * 1967-07-19 1969-09-09 Dow Chemical Co Treatment of metals for promoting adhesion of polyolefins
US3519501A (en) * 1968-04-16 1970-07-07 Diamond Shamrock Corp Chromic acid-organic coating compositions

Also Published As

Publication number Publication date
DE2116169A1 (de) 1971-10-21
BE765133A (fr) 1971-10-01
FR2089052A5 (de) 1972-01-07
US3630789A (en) 1971-12-28
GB1307452A (en) 1973-02-21
NL7104375A (de) 1971-10-05

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