ES173545A1 - PROCEDIMIENTO PARA LA OBTENCIoN DE CAPAS DE FOSFATO SOBRE HIERRO Y ACERO - Google Patents

PROCEDIMIENTO PARA LA OBTENCIoN DE CAPAS DE FOSFATO SOBRE HIERRO Y ACERO

Info

Publication number
ES173545A1
ES173545A1 ES0173545A ES173545A ES173545A1 ES 173545 A1 ES173545 A1 ES 173545A1 ES 0173545 A ES0173545 A ES 0173545A ES 173545 A ES173545 A ES 173545A ES 173545 A1 ES173545 A1 ES 173545A1
Authority
ES
Spain
Prior art keywords
iron
procedure
steel
phosphate layers
obtaining phosphate
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
ES0173545A
Other languages
English (en)
Inventor
Company American Chemica Paint
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.)
Henkel Corp
Original Assignee
Amchem Products Inc
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 Amchem Products Inc filed Critical Amchem Products Inc
Publication of ES173545A1 publication Critical patent/ES173545A1/es
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
    • C23C22/16—Orthophosphates containing zinc cations containing also peroxy-compounds

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

Procedimiento para la obtención de capas de fosfato sobre hierro y acero por tratamiento de los mismos con una disolución contenido agua oxigenada de fosfato ácido de cinc caracterizado porque la disolución se sobresatura durante el tratamiento por lo que se refiera al fosfato de cinc.
ES0173545A 1941-01-22 1946-05-11 PROCEDIMIENTO PARA LA OBTENCIoN DE CAPAS DE FOSFATO SOBRE HIERRO Y ACERO Expired ES173545A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US375448A US2326309A (en) 1941-01-22 1941-01-22 Method of producing phosphate coatings on ferrous metal articles

Publications (1)

Publication Number Publication Date
ES173545A1 true ES173545A1 (es) 1946-06-16

Family

ID=23480929

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0173545A Expired ES173545A1 (es) 1941-01-22 1946-05-11 PROCEDIMIENTO PARA LA OBTENCIoN DE CAPAS DE FOSFATO SOBRE HIERRO Y ACERO

Country Status (3)

Country Link
US (1) US2326309A (es)
CH (1) CH245689A (es)
ES (1) ES173545A1 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2473456A (en) * 1943-12-23 1949-06-14 Bell Telephone Labor Inc Passivation of ferrous metals
US2471907A (en) * 1948-04-01 1949-05-31 American Chem Paint Co Method of and material for increasing the corrosion resistance of ferriferous metals
US2471908A (en) * 1948-04-08 1949-05-31 American Chem Paint Co Method of and material for preparing surfaces of ferriferous metals for the reception of a siccative finishing coat
US3178319A (en) * 1958-06-05 1965-04-13 Geraldine D Henricks Phosphate coating compositions and methods of making and using the same
GB1272772A (en) * 1968-08-16 1972-05-03 Ici Ltd Phosphating solutions
US3607453A (en) * 1969-10-02 1971-09-21 Hooke Chemical Corp Metal treating process
US4071379A (en) * 1976-01-28 1978-01-31 Imperial Chemical Industries Limited Phosphating method
US4673445A (en) * 1986-05-12 1987-06-16 The Lea Manufacturing Company Corrosion resistant coating
US4897129A (en) * 1986-05-12 1990-01-30 The Lea Manufacturing Company Corrosion resistant coating

Also Published As

Publication number Publication date
US2326309A (en) 1943-08-10
CH245689A (de) 1946-11-30

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