GB769779A - Improvements relating to the formation of oxalate coatings on metal surfaces - Google Patents

Improvements relating to the formation of oxalate coatings on metal surfaces

Info

Publication number
GB769779A
GB769779A GB15622/55A GB1562255A GB769779A GB 769779 A GB769779 A GB 769779A GB 15622/55 A GB15622/55 A GB 15622/55A GB 1562255 A GB1562255 A GB 1562255A GB 769779 A GB769779 A GB 769779A
Authority
GB
United Kingdom
Prior art keywords
halide
chromium
formation
salt groups
organic nitro
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
GB15622/55A
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.)
Pyrene Co Ltd
Original Assignee
Pyrene Co Ltd
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 Pyrene Co Ltd filed Critical Pyrene Co Ltd
Publication of GB769779A publication Critical patent/GB769779A/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

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

An oxalate coating is produced on a surface composed of nickel, chromium or an alloy containing nickel and/or chromium in a total amount of at least 8 per cent by treatment with an aqueous solution of oxalic acid, a halide and/or thiocyanate and an organic nitro-compound. The halide may be any of the water-soluble alkali metal and ammonium chlorides, bromides, fluorides, silicofluorides and borofluorides. The organic nitro-compound preferably contains a solubilizing group such as halide, hydroxyl, aldehyde, sulphonic acid or salt groups and carboxylic acid or salt groups and, of many examples given, it is stated that the preferred compounds are sodium, potassium and ammonium salts of nitrobenzene sulphonic acids, nitroguanidine and nitrophenols. The solutions are used at a temperature of 115 DEG -175 DEG F.
GB15622/55A 1954-05-28 1955-05-31 Improvements relating to the formation of oxalate coatings on metal surfaces Expired GB769779A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US433282A US2800421A (en) 1954-05-28 1954-05-28 Composition and method for coating stainless metals

Publications (1)

Publication Number Publication Date
GB769779A true GB769779A (en) 1957-03-13

Family

ID=23719562

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15622/55A Expired GB769779A (en) 1954-05-28 1955-05-31 Improvements relating to the formation of oxalate coatings on metal surfaces

Country Status (6)

Country Link
US (1) US2800421A (en)
CH (1) CH333944A (en)
DE (1) DE1103109B (en)
FR (1) FR1131540A (en)
GB (1) GB769779A (en)
NL (2) NL197493A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129837A (en) * 1982-11-01 1984-05-23 Pyrene Chemical Services Ltd Process for forming oxalate coating on metal surfaces

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL279119A (en) * 1961-06-01
US3459604A (en) * 1966-04-18 1969-08-05 Hooker Chemical Corp Metal surface coating methods
US4194929A (en) * 1978-09-08 1980-03-25 The United States Of America As Represented By The Secretary Of The Army Technique for passivating stainless steel
USRE34272E (en) * 1989-05-04 1993-06-08 Rem Chemicals, Inc. Method and composition for refinement of metal surfaces
US4906327A (en) * 1989-05-04 1990-03-06 Rem Chemicals, Inc. Method and composition for refinement of metal surfaces
US5795661A (en) * 1996-07-10 1998-08-18 Bethlehem Steel Corporation Zinc coated steel sheet and strip having improved formability and surface quality and method thereof

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE742340C (en) * 1933-07-15 1943-12-11 Ig Farbenindustrie Ag Process for the production of rust-protecting phosphate layers on metals
BE432557A (en) * 1938-02-04
BE439289A (en) * 1939-07-15
US2431728A (en) * 1942-04-29 1947-12-02 Despo Mfg Co Ltd Treatment of ferrous metals to improve resistance to rusting
US2609308A (en) * 1947-11-22 1952-09-02 Parker Rust Proof Co Method and material for producing coatings on metal
US2550660A (en) * 1948-09-04 1951-05-01 Parker Rust Proof Co Process for producing adherent coatings on stainless steel to facilitate drawing operations
US2577887A (en) * 1949-02-12 1951-12-11 Parker Rust Proof Co Activation of oxalate metal coating compositions
GB675024A (en) * 1949-08-26 1952-07-02 Parker Rust Proof Co The production of oxalate coatings on metals
BE506526A (en) * 1950-10-19
DE882639C (en) * 1951-06-26 1953-07-09 Metallgesellschaft Ag Process for applying coatings to metals
DE887138C (en) * 1951-08-12 1953-08-20 Parker Rust Proof Company Process for the production of firmly adhering coatings on stainless steel to facilitate drawing processes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129837A (en) * 1982-11-01 1984-05-23 Pyrene Chemical Services Ltd Process for forming oxalate coating on metal surfaces

Also Published As

Publication number Publication date
CH333944A (en) 1958-11-15
FR1131540A (en) 1957-02-22
US2800421A (en) 1957-07-23
DE1103109B (en) 1961-03-23
NL94192C (en)
NL197493A (en)

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