EP0922123B1 - Solution aqueuse et procede de phosphatation de surfaces metalliques - Google Patents

Solution aqueuse et procede de phosphatation de surfaces metalliques Download PDF

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Publication number
EP0922123B1
EP0922123B1 EP97943803A EP97943803A EP0922123B1 EP 0922123 B1 EP0922123 B1 EP 0922123B1 EP 97943803 A EP97943803 A EP 97943803A EP 97943803 A EP97943803 A EP 97943803A EP 0922123 B1 EP0922123 B1 EP 0922123B1
Authority
EP
European Patent Office
Prior art keywords
solution
phosphating
phosphate
aqueous
nitroguanidine
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 - Lifetime
Application number
EP97943803A
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German (de)
English (en)
Other versions
EP0922123A1 (fr
Inventor
Thomas Kolberg
Peter Schubach
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.)
chemetal GmbH
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
Priority to SI9730079T priority Critical patent/SI0922123T1/xx
Publication of EP0922123A1 publication Critical patent/EP0922123A1/fr
Application granted granted Critical
Publication of EP0922123B1 publication Critical patent/EP0922123B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • C23C22/18—Orthophosphates containing manganese cations
    • C23C22/186—Orthophosphates containing manganese cations containing also copper cations
    • 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
    • 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
    • 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
    • C23C22/184—Orthophosphates containing manganese cations containing also zinc cations containing also nickel cations

Claims (17)

  1. Solution aqueuse de phosphate pour la formation de couches de phosphate sur des surfaces métalliques en fer, en acier, en zinc, en alliages de zinc, en aluminium ou en alliages d'aluminium, contenant du zinc, du phosphate ainsi que de la nitroguanidine en tant qu'accélérateur, caractérisée parle fait que la solution contient de 0,3 à 5 g/l de Zn2- et de 0,1 à 3 g/l de nitroguanidine, a une valeur S comprise entre 0,03 et 0,3 et un rapport en poids Zn/P2O5 compris entre 1/5 et 1/30, la valeur S indiquant le rapport de l'acide libre, calculé comme P2O5, à la quantité totale de P2O5, la solution formant des couches de phosphate à base de cristaux fins dans lesquelles les cristallites ont une longueur d'arrête maximale inférieure à 15 µm.
  2. Solution aqueuse selon la revendication 1, caractérisée par le fait que la solution contient de 0,3 à 3 g/l de Zn2+.
  3. Solution aqueuse selon la revendications 1 à 2, caractérisée par le fait que la solution contient de 0,5 à 20 g/l de NO3 -.
  4. Solution aqueuse selon les revendications 1 à 3, caractérisée par le fait que la solution contient de 0,01 à 3 g/l de Mn2+ et/ou de 0,01 à 3 g/l de Ni2+ et/ou de 1 à 100 mg/l de Cu2+ et/ou de 10 à 300 mg/l de Co2+.
  5. Solution aqueuse selon les revendications 1 à 4, caractérisée par le fait que la solution contient de 0,01 à 3 g/l de F- et/ou de 0,05 à 3,5 g/l d'au moins un fluorure complexe.
  6. Solution aqueuse selon les revendications 1 à 5, caractérisée par le fait que la solution contient comme fluorure complexe du (SiF6)2- ou (BF4)-.
  7. Procédé de phosphatation, caractérisé par le fait que les surfaces métalliques sont nettoyées, sont traitées ensuite avec la solution aqueuse de phosphate selon les revendications 1 à 6 pendant une durée allant de 5 secondes à 10 minutes à une température comprise entre 15 et 70 °C, puis sont rincées à l'eau.
  8. Procédé selon la revendication 7, caractérisé par le fait que le traitement des surfaces métalliques avec la solution de phosphatation se fait par pulvérisation, immersion, pulvérisation-immersion ou transfert à partir d'un cylindre.
  9. Procédé selon la revendication 8, caractérisé par le fait que la solution de phosphatation utilisée pour la pulvérisation présente un rapport en poids Zn/P2O5 compris entre 1/10 et 1/30.
  10. Procédé selon la revendication 8, caractérisé par le fait que la solution de phosphatation utilisée pour l'immersion présente un rapport en poids Zn/P2O5 compris entre 1/5 et 1/18.
  11. Procédé selon les revendications 7 à 10, caractérisé par le fait que l'on traite les surfaces métalliques, après les avoir nettoyées, avec un agent d'activation à base de phosphate contenant du titane.
  12. Procédé selon les revendications 7 à 11, caractérisé par le fait que l'on soumet les surfaces métalliques, après l'étape de rinçage qui suit la phosphatation, à un traitement avec un agent de passivation.
  13. Procédé selon la revendication 7, caractérisé par le fait que la nitroguanidine est introduite dans la solution aqueuse sous forme d'une suspension aqueuse stable.
  14. Procédé selon la revendication 13, caractérisé par le fait que la suspension aqueuse stable contient des phyllosilicates en tant qu'agent de stabilisation.
  15. Procédé selon la revendication 14, caractérisé par le fait que l'on utilise comme agent de stabilisation les phyllosilicates [Mg(Si7,4Al0,6)O20(OH)4]Na0,6xXH2O et [Mg(Si5,4 Li0,6)Si8O20(OH3F)4]Na0,6x XH2O en une quantité comprise entre 10 et 30 g/l de suspension de nitroguanidine.
  16. Utilisation de la solution aqueuse de phosphate selon les revendications 1 à 6 et du procédé de phosphatation selon les revendications 7 à 15 pour le traitement de pièces avant vernissage.
  17. Utilisation selon la revendication 16 pour le traitement de pièces avant vernissage par électroimmersion.
EP97943803A 1996-08-28 1997-08-11 Solution aqueuse et procede de phosphatation de surfaces metalliques Expired - Lifetime EP0922123B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9730079T SI0922123T1 (en) 1996-08-28 1997-08-11 Process and aqueous solution for phosphatising metallic surfaces

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19634685A DE19634685A1 (de) 1996-08-28 1996-08-28 Wässrige Lösung und Verfahren zur Phosphatierung metallischer Oberflächen
DE19634685 1996-08-28
PCT/EP1997/004360 WO1998008999A1 (fr) 1996-08-28 1997-08-11 Solution aqueuse et procede de phosphatation de surfaces metalliques

Publications (2)

Publication Number Publication Date
EP0922123A1 EP0922123A1 (fr) 1999-06-16
EP0922123B1 true EP0922123B1 (fr) 2000-07-26

Family

ID=7803869

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97943803A Expired - Lifetime EP0922123B1 (fr) 1996-08-28 1997-08-11 Solution aqueuse et procede de phosphatation de surfaces metalliques

Country Status (25)

Country Link
US (1) US6261384B1 (fr)
EP (1) EP0922123B1 (fr)
JP (1) JP3940174B2 (fr)
KR (1) KR100473779B1 (fr)
CN (1) CN1080325C (fr)
AR (1) AR009336A1 (fr)
AT (1) ATE195005T1 (fr)
AU (1) AU720551B2 (fr)
BR (1) BR9713177A (fr)
CA (1) CA2264568C (fr)
CZ (1) CZ294673B6 (fr)
DE (2) DE19634685A1 (fr)
DK (1) DK0922123T3 (fr)
ES (1) ES2150791T3 (fr)
GR (1) GR3034297T3 (fr)
HU (1) HU228330B1 (fr)
IN (1) IN192301B (fr)
PL (1) PL192285B1 (fr)
PT (1) PT922123E (fr)
SI (1) SI0922123T1 (fr)
SK (1) SK283857B6 (fr)
TR (1) TR199900426T2 (fr)
TW (1) TW363089B (fr)
WO (1) WO1998008999A1 (fr)
ZA (1) ZA977706B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004104266A1 (fr) * 2003-05-23 2004-12-02 Chemetall Gmbh Solution et procede permettant de revetir des surfaces metalliques au moyen d'une solution de phosphatation contenant du peroxyde d'hydrogene, objet metallique produit au moyen du procede et de la solution, et utilisation de cet objet
US8349092B2 (en) 2002-07-10 2013-01-08 Chemetall Gmbh Process for coating metallic surfaces

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19808440C2 (de) 1998-02-27 2000-08-24 Metallgesellschaft Ag Wässrige Lösung und Verfahren zur Phosphatierung metallischer Oberflächen sowie eine Verwendung der Lösung und des Verfahrens
DE19834796A1 (de) 1998-08-01 2000-02-03 Henkel Kgaa Verfahren zur Phosphatierung, Nachspülung und kathodischer Elektrotauchlackierung
DE19857799A1 (de) 1998-12-15 2000-06-21 Henkel Kgaa Verfahren zum Steuern einer Behandlungslinie
DE19911843C2 (de) * 1999-03-17 2001-05-10 Metallgesellschaft Ag Verfahren für den Korrosionsschutz von Aluminium und Aluminiumlegierungen sowie Verwendung des Verfahrens
US20040118483A1 (en) * 2002-12-24 2004-06-24 Michael Deemer Process and solution for providing a thin corrosion inhibiting coating on a metallic surface
US20040188323A1 (en) * 2003-03-24 2004-09-30 Tzatzov Konstantin K. Active coating system for reducing or eliminating coke build-up during petrochemical processes
DE10320313B4 (de) * 2003-05-06 2005-08-11 Chemetall Gmbh Verfahren zum Beschichten von metallischen Körpern mit einer Phosphatierungslösung, Phosphatierungslösung und die Verwendung des beschichteten Gegenstandes
CN1314836C (zh) * 2004-08-02 2007-05-09 吉林大学 镁合金磷化溶液及其磷化工艺
CN101693993B (zh) * 2009-09-27 2011-03-30 上海大学 碳钢表面磷化处理液及镀镍封闭方法
CN107338428B (zh) * 2017-06-02 2019-01-11 余卫民 钴、锌、铁三元体系磷酸盐金属表面处理剂、制备方法及复合沉积物
RU2690876C1 (ru) * 2018-06-14 2019-06-06 Закрытое Акционерное общество "ФК" (ЗАО " ФК") Способ получения фосфатного покрытия
CN109518176B (zh) * 2018-12-14 2021-09-24 上海大学 碱性磷化液、制备方法及磷化处理工艺
CN110699681B (zh) * 2019-10-24 2021-12-14 河南北方红阳机电有限公司 一种高强度钢和硬铝合金组合体喷淋磷化工艺

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE977633C (de) * 1950-07-06 1967-11-02 Galvapol Ges Fuer Galvanotechn Verfahren zur Herstellung von Phosphatueberzuegen auf eisenhaltigen Metallgegenstaenden

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE432557A (fr) * 1938-02-04
US2375468A (en) * 1938-02-04 1945-05-08 Parker Rust Proof Co Phosphate coating of metals
DE821907C (de) * 1943-06-07 1951-11-22 Pyrene Co Ltd Mittel fuer die Herstellung von Phosphatueberzuegen auf Metallen
US3855147A (en) * 1972-05-26 1974-12-17 Nl Industries Inc Synthetic smectite compositions, their preparation, and their use as thickeners in aqueous systems
GB2080835B (en) * 1980-07-25 1984-08-30 Pyrene Chemical Services Ltd Prevention of sludge in phosphating baths
DE3800835A1 (de) * 1988-01-14 1989-07-27 Henkel Kgaa Verfahren zur phosphatierung von metalloberflaechen
US5268041A (en) * 1990-04-27 1993-12-07 Metallgesellschaft Ag Process for phosphating metal surfaces

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE977633C (de) * 1950-07-06 1967-11-02 Galvapol Ges Fuer Galvanotechn Verfahren zur Herstellung von Phosphatueberzuegen auf eisenhaltigen Metallgegenstaenden

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DR. WERNER RAUSCH: "Die Phosphatierung von Metallen, Seiten 299-304", EUGEN G. LEUZE VERLAG, 1988 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8349092B2 (en) 2002-07-10 2013-01-08 Chemetall Gmbh Process for coating metallic surfaces
WO2004104266A1 (fr) * 2003-05-23 2004-12-02 Chemetall Gmbh Solution et procede permettant de revetir des surfaces metalliques au moyen d'une solution de phosphatation contenant du peroxyde d'hydrogene, objet metallique produit au moyen du procede et de la solution, et utilisation de cet objet

Also Published As

Publication number Publication date
KR100473779B1 (ko) 2005-03-08
PL192285B1 (pl) 2006-09-29
CA2264568C (fr) 2006-10-17
IN192301B (fr) 2004-04-03
SI0922123T1 (en) 2000-12-31
DK0922123T3 (da) 2000-11-20
TW363089B (en) 1999-07-01
US6261384B1 (en) 2001-07-17
BR9713177A (pt) 2000-02-08
ZA977706B (en) 1999-03-01
CA2264568A1 (fr) 1998-03-05
ES2150791T3 (es) 2000-12-01
CN1231705A (zh) 1999-10-13
HUP9903091A3 (en) 2004-03-01
WO1998008999A1 (fr) 1998-03-05
TR199900426T2 (xx) 1999-04-21
AU4551697A (en) 1998-03-19
CZ68099A3 (cs) 1999-11-17
CZ294673B6 (cs) 2005-02-16
HU228330B1 (en) 2013-03-28
PT922123E (pt) 2000-11-30
GR3034297T3 (en) 2000-12-29
EP0922123A1 (fr) 1999-06-16
KR20000035825A (ko) 2000-06-26
DE19634685A1 (de) 1998-03-05
SK283857B6 (sk) 2004-03-02
DE59702088D1 (de) 2000-08-31
AU720551B2 (en) 2000-06-01
HUP9903091A1 (hu) 2001-05-28
JP2000516999A (ja) 2000-12-19
SK23299A3 (en) 2000-05-16
ATE195005T1 (de) 2000-08-15
AR009336A1 (es) 2000-04-12
PL331883A1 (en) 1999-08-16
JP3940174B2 (ja) 2007-07-04
CN1080325C (zh) 2002-03-06

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