MX9804278A - Proceso de fosfatizacion de superficies de metal. - Google Patents

Proceso de fosfatizacion de superficies de metal.

Info

Publication number
MX9804278A
MX9804278A MX9804278A MX9804278A MX9804278A MX 9804278 A MX9804278 A MX 9804278A MX 9804278 A MX9804278 A MX 9804278A MX 9804278 A MX9804278 A MX 9804278A MX 9804278 A MX9804278 A MX 9804278A
Authority
MX
Mexico
Prior art keywords
metal surfaces
optionally
phosphating
phosphating solutions
free
Prior art date
Application number
MX9804278A
Other languages
English (en)
Inventor
Horst Gehmecker
Thomas Kolberg
Ruediger Rein
Original Assignee
Metallgesellschaft Ag
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 Metallgesellschaft Ag filed Critical Metallgesellschaft Ag
Publication of MX9804278A publication Critical patent/MX9804278A/es

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
    • C23C22/17—Orthophosphates containing zinc cations containing also organic acids
    • 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
    • C23C22/18—Orthophosphates containing manganese cations
    • C23C22/182—Orthophosphates containing manganese cations containing also zinc cations

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

En un proceso de fosfatizacion de superficies de metal, que por lo menos consisten en parte de hierro o acero, de acuerdo con la tecnología de bajo contenido de zinc, las superficies de metal se ponen en contacto con soluciones fosfatizadoras de ácido acuosas a una temperatura de 30 a 65 degree C durante un periodo de 1 a 8 minutos, cuyas soluciones contienen; 0.4 a 2.0 g/l Zn; 7 a 25 g/l P2O5; 0.005 a 0.5 g/l peroxido (calculado como H2O2); 0.01 a 10 g/l formiato (calculado como ion de formiato), están libres de clorato y nitrito agregado, y en las cuales la relacion en peso de P2O5 libre a P2O5 total se ha ajustado a un valor en el rango de 0.03 a 0.20, y el contenido de ácido libre se ha ajustado a un valor en el rango de 0.5 a 2.5. Las soluciones fosfatizadoras pueden contener además hasta 30 g/l de nitrato así como manganeso, magnesio, calcio, litio, tungstato, vanadato, molibdato o sus combinaciones, posiblemente además níquel y/o cobalto, cada uno en una cantidad de hasta 3 g/l, posiblemente además hasta 0.030 g/l de cobre. Las relaciones en peso de Mn : Zn, Mg : Zn, Ca : Zn y posiblemente (Ni y/o Co) : Zn deben ser no mayores que 2 : 1. El proceso es adecuado en particular para la preparacion de superficies de metal para el electro revestimiento por inmersion subsecuente, en particular el electro revestimiento por inmersion catodico.
MX9804278A 1995-11-30 1998-05-29 Proceso de fosfatizacion de superficies de metal. MX9804278A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19544614A DE19544614A1 (de) 1995-11-30 1995-11-30 Verfahren zur Phospatierung von Metalloberflächen

Publications (1)

Publication Number Publication Date
MX9804278A true MX9804278A (es) 1998-09-30

Family

ID=7778787

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9804278A MX9804278A (es) 1995-11-30 1998-05-29 Proceso de fosfatizacion de superficies de metal.

Country Status (10)

Country Link
US (1) US6168674B1 (es)
EP (1) EP0866888B1 (es)
AU (1) AU702478B2 (es)
BR (1) BR9611667A (es)
CA (1) CA2236512C (es)
DE (2) DE19544614A1 (es)
ES (1) ES2132966T3 (es)
MX (1) MX9804278A (es)
WO (1) WO1997020085A1 (es)
ZA (1) ZA969999B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999048819A1 (de) * 1998-03-25 1999-09-30 Henkel Kommanditgesellschaft Auf Aktien Abwasseraufbereitung bei der phosphatierung
DE10006338C2 (de) * 2000-02-12 2003-12-04 Chemetall Gmbh Verfahren zur Beschichtung von Metalloberflächen, wässeriges Konzentrat hierzu und Verwendung der beschichteten Metallteile
ATE399218T1 (de) 2002-07-10 2008-07-15 Chemetall Gmbh Verfahren zur beschichtung von metallischen oberflächen
DE102005047424A1 (de) * 2005-09-30 2007-04-05 Henkel Kgaa Phosphatierlösung mit Wasserstoffperoxid und chelatbildenden Carbonsäuren

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2493327A (en) * 1946-09-27 1950-01-03 Kelite Products Inc Aqueous composition for treating iron and steel
JPS5935681A (ja) 1982-08-24 1984-02-27 Nippon Paint Co Ltd カチオン型電着塗装用金属表面のリン酸塩処理方法
JPH0730455B2 (ja) * 1988-09-27 1995-04-05 日本パーカライジング株式会社 リン酸塩化成処理液
DE3927614A1 (de) * 1989-08-22 1991-02-28 Metallgesellschaft Ag Verfahren zur erzeugung von phosphatueberzuegen auf metallen
DE4241134A1 (de) * 1992-12-07 1994-06-09 Henkel Kgaa Verfahren zur Phosphatierung von Metalloberflächen
DE4243214A1 (de) 1992-12-19 1994-06-23 Metallgesellschaft Ag Verfahren zur Erzeugung von Phosphatüberzügen
EP0653502A3 (en) * 1993-11-11 1995-08-09 Nihon Parkerizing Composite article of steel plated with a metal containing zinc and production process.

Also Published As

Publication number Publication date
DE19544614A1 (de) 1997-06-05
AU702478B2 (en) 1999-02-25
DE59602269D1 (de) 1999-07-22
ES2132966T3 (es) 1999-08-16
CA2236512C (en) 2005-06-07
EP0866888B1 (de) 1999-06-16
AU7562196A (en) 1997-06-19
CA2236512A1 (en) 1997-06-05
EP0866888A1 (de) 1998-09-30
ZA969999B (en) 1998-05-28
US6168674B1 (en) 2001-01-02
BR9611667A (pt) 1999-02-23
WO1997020085A1 (de) 1997-06-05

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