GB996418A - Improvements relating to the phosphate coating of metals - Google Patents

Improvements relating to the phosphate coating of metals

Info

Publication number
GB996418A
GB996418A GB1315064A GB1315064A GB996418A GB 996418 A GB996418 A GB 996418A GB 1315064 A GB1315064 A GB 1315064A GB 1315064 A GB1315064 A GB 1315064A GB 996418 A GB996418 A GB 996418A
Authority
GB
United Kingdom
Prior art keywords
metals
phosphate coating
improvements relating
phosphate
pretreatment
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
GB1315064A
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
Priority to GB1315064A priority Critical patent/GB996418A/en
Publication of GB996418A publication Critical patent/GB996418A/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
    • C23C22/07—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 phosphates
    • C23C22/08—Orthophosphates
    • C23C22/12—Orthophosphates containing zinc cations
    • C23C22/13—Orthophosphates containing zinc cations containing also nitrate or nitrite anions

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 aqueous solution for forming a phosphate coating on a succession of ferrous metal surfaces comprises zinc phosphate in which the weight ratio (Zn+Fe):P2O5 is between 1.1-4.5 to 1, at least 2 g./1. nitrate ions and urea. For an immersion process the temperature is 70-100 DEG C. and for a spraying process 60-100 DEG C. The surface may be given a pretreatment with a solution containing titanium and a condensed phosphate, as in the parent Specification.
GB1315064A 1964-03-31 1964-03-31 Improvements relating to the phosphate coating of metals Expired GB996418A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1315064A GB996418A (en) 1964-03-31 1964-03-31 Improvements relating to the phosphate coating of metals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1315064A GB996418A (en) 1964-03-31 1964-03-31 Improvements relating to the phosphate coating of metals

Publications (1)

Publication Number Publication Date
GB996418A true GB996418A (en) 1965-06-30

Family

ID=10017792

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1315064A Expired GB996418A (en) 1964-03-31 1964-03-31 Improvements relating to the phosphate coating of metals

Country Status (1)

Country Link
GB (1) GB996418A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4968360A (en) * 1987-12-16 1990-11-06 Gerhard Collardin Gmbh Process for desludging phosphating baths and device for carrying out said process
US5039361A (en) * 1988-12-02 1991-08-13 Metallgesellschaft Aktiengesellschaft Process of phosphating metal surfaces
US8062435B2 (en) * 2001-06-18 2011-11-22 Henkel Kommanditgesellschaft Auf Aktien Phosphating operation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4968360A (en) * 1987-12-16 1990-11-06 Gerhard Collardin Gmbh Process for desludging phosphating baths and device for carrying out said process
US5039361A (en) * 1988-12-02 1991-08-13 Metallgesellschaft Aktiengesellschaft Process of phosphating metal surfaces
US8062435B2 (en) * 2001-06-18 2011-11-22 Henkel Kommanditgesellschaft Auf Aktien Phosphating operation

Similar Documents

Publication Publication Date Title
ES8302794A1 (en) Method of phosphating metals, as well as its use in the electrodip painting pretreatment.
IT1190666B (en) METAL PHOSPHATION PROCESS
DE3378481D1 (en) Process for phosphatizing zinc-electroplated metal objects
DE3371999D1 (en) Process for phosphatizing metallic surfaces, and solutions for use therein
GB996418A (en) Improvements relating to the phosphate coating of metals
GB1084017A (en) Pretreating process for phosphate-treating steel sheets or plated steel sheets
GB1112877A (en) Improvements in or relating to the production of phosphate coatings on metal surfaces
GB963540A (en) Process of improving the resistance of metals and metal objects to corrosion, and phophating solution suited for carrying out such process
GB866377A (en) Improvements relating to the production of phosphate coatings on metals
GB932987A (en) Improvements relating to the phosphate-coating of metals
GB943169A (en) Improvements relating to the phosphate-coating of metals
GB944419A (en) Process for applying firmly adhering phosphate coatings to metal surfaces in the presence of aluminium
GB707563A (en) Improvements in or relating to the production of phosphate coatings on metal surfaces and to compositions for use therein
GB852226A (en) Process for phosphating metals
GB1374315A (en) Processes and compositions for metal treatment
GB1520026A (en) Processes for providing protective coatings on metal surfaces
GB2003192A (en) Metal phosphating process
GB1178668A (en) Phosphating Solutions containing Lead and Fluoride Ions
GB694454A (en) Improvements relating to the production of phosphate coatings on ferrous surfaces
GB956730A (en) Improvements in process for coating iron alloys
GB1388435A (en) Surface phosphating of metals
GB783749A (en) Improvements in or relating to the production of phosphate coatings on metals
GB820657A (en) Improvements relating to the formation of phosphate coatings on metal surfaces
GB1059207A (en) Methods of improving the corrosion-resistance of aluminum surfaces
GB591460A (en) Improvements in or relating to the coating of metal articles