GB748383A - Production of coatings on metal surfaces - Google Patents

Production of coatings on metal surfaces

Info

Publication number
GB748383A
GB748383A GB29974/53A GB2997453A GB748383A GB 748383 A GB748383 A GB 748383A GB 29974/53 A GB29974/53 A GB 29974/53A GB 2997453 A GB2997453 A GB 2997453A GB 748383 A GB748383 A GB 748383A
Authority
GB
United Kingdom
Prior art keywords
phosphoric acid
coatings
solution
added
production
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
GB29974/53A
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.)
CIE D APPLIC CHIMIQUES A L IND
MICHEL PETROFF
Original Assignee
CIE D APPLIC CHIMIQUES A L IND
MICHEL PETROFF
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 CIE D APPLIC CHIMIQUES A L IND, MICHEL PETROFF filed Critical CIE D APPLIC CHIMIQUES A L IND
Publication of GB748383A publication Critical patent/GB748383A/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
    • C23C22/46—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 oxalates
    • C23C22/47—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 oxalates containing also phosphates

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

An adherent coating is formed on the surface of steels, Cr, Ni and Cr-Ni alloys by contact with an aqueous acid solution of phosphoric acid, oxalic acid and hydrogen sulphide. The solution may also contain manganese or ferric iron which may be added as dihydrogen orthophosphates, pyrophosphates, polyphosphates or metaphosphates. The phosphoric acid may be ortho-, pyro- or poly-phosphoric acid. Hydrogen sulphide may be added as such or as an alkali metal bisulphite, thiosulphate or sulphide. The coatings are said to facilitate cold deformation after application of soap solution. German Specification 731,045 is referred to.
GB29974/53A 1952-10-30 1953-10-29 Production of coatings on metal surfaces Expired GB748383A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1076463X 1952-10-30

Publications (1)

Publication Number Publication Date
GB748383A true GB748383A (en) 1956-05-02

Family

ID=9607652

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29974/53A Expired GB748383A (en) 1952-10-30 1953-10-29 Production of coatings on metal surfaces

Country Status (4)

Country Link
BE (1) BE523763A (en)
DE (1) DE1076463B (en)
FR (1) FR1065191A (en)
GB (1) GB748383A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE536560A (en) * 1954-12-02
US2813816A (en) * 1955-05-16 1957-11-19 American Chem Paint Co Method of and materials for coating stainless steel and article produced thereby
JP3973323B2 (en) 1998-08-13 2007-09-12 日本ペイント株式会社 Non-chromium treatment with sulfur-containing and phosphorus-containing compounds

Also Published As

Publication number Publication date
BE523763A (en)
FR1065191A (en) 1954-05-20
DE1076463B (en) 1960-02-25

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