GB1019326A - Improvements in or relating to rapid method of degreasing and of amorphous phosphatation of ferrous metal surfaces - Google Patents

Improvements in or relating to rapid method of degreasing and of amorphous phosphatation of ferrous metal surfaces

Info

Publication number
GB1019326A
GB1019326A GB1910964A GB1910964A GB1019326A GB 1019326 A GB1019326 A GB 1019326A GB 1910964 A GB1910964 A GB 1910964A GB 1910964 A GB1910964 A GB 1910964A GB 1019326 A GB1019326 A GB 1019326A
Authority
GB
United Kingdom
Prior art keywords
ferrous metal
phosphatation
degreasing
amorphous
relating
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
GB1910964A
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.)
SOC CIV D RECH ETUDES IND
Original Assignee
SOC CIV D RECH ETUDES IND
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 SOC CIV D RECH ETUDES IND filed Critical SOC CIV D RECH ETUDES IND
Publication of GB1019326A publication Critical patent/GB1019326A/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
    • C23C22/73—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 characterised by the process
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08—Iron or steel
    • C23G1/083—Iron or steel solutions containing H3PO4

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)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

A ferrous metal is degreased and phosphated using two baths the first containing (parts by weight) 1000 of water, 5-15 of a non-ionic surface active agent, e.g. an octylphenol, 0.1-5 of 75% orthophosphoric acid, and 1-5 of acid sodium pyrophosphate, and the second bath containing 1000 of water, 0.1-5 of non-ionic surface active agent, 0.1-5 of 75% orthophosphoric acid, and 0.1-1 of acid sodium pyrophosphate, the pH being between 3 and 6, the temperature between 60 DEG C. and 85 DEG C., and the time of immersion in each bath being between 20 seconds and 2 minutes. The baths may also contain e.g. 0.5 of dicalcium phosphate. The baths may be stirred by vibration or injection of steam.
GB1910964A 1963-05-13 1964-05-07 Improvements in or relating to rapid method of degreasing and of amorphous phosphatation of ferrous metal surfaces Expired GB1019326A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR934595A FR1364689A (en) 1963-05-13 1963-05-13 Fast process for degreasing and amorphous phosphating of ferrous metal surfaces

Publications (1)

Publication Number Publication Date
GB1019326A true GB1019326A (en) 1966-02-02

Family

ID=8803685

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1910964A Expired GB1019326A (en) 1963-05-13 1964-05-07 Improvements in or relating to rapid method of degreasing and of amorphous phosphatation of ferrous metal surfaces

Country Status (5)

Country Link
BE (1) BE647736A (en)
CH (1) CH418087A (en)
FR (1) FR1364689A (en)
GB (1) GB1019326A (en)
NL (1) NL6405272A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2418118A1 (en) * 1974-04-13 1975-10-23 Collardin Gmbh Gerhard Phosphate spray coating for iron and steel - from aq acid soln of alkali- and/or ammonium-orthophosphate and accelerator
DE2505172A1 (en) * 1975-02-07 1976-09-16 Collardin Gmbh Gerhard Phosphate coating of iron and steel sheet - by two step process improving bath life
ES2390327A1 (en) * 2011-04-14 2012-11-12 Telesforo BURRERO CALERO Procedure for degreasing and phosphate of ultrasound surfaces, and device for carrying out such procedure. (Machine-translation by Google Translate, not legally binding)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2452159C3 (en) * 1974-11-02 1981-09-24 Hoechst Ag, 6000 Frankfurt Process for cleaning and phosphating metal surfaces

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2418118A1 (en) * 1974-04-13 1975-10-23 Collardin Gmbh Gerhard Phosphate spray coating for iron and steel - from aq acid soln of alkali- and/or ammonium-orthophosphate and accelerator
DE2505172A1 (en) * 1975-02-07 1976-09-16 Collardin Gmbh Gerhard Phosphate coating of iron and steel sheet - by two step process improving bath life
ES2390327A1 (en) * 2011-04-14 2012-11-12 Telesforo BURRERO CALERO Procedure for degreasing and phosphate of ultrasound surfaces, and device for carrying out such procedure. (Machine-translation by Google Translate, not legally binding)

Also Published As

Publication number Publication date
CH418087A (en) 1966-07-31
FR1364689A (en) 1964-06-26
BE647736A (en) 1964-08-31
NL6405272A (en) 1964-11-16

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