EP1402083B1 - Korrosionsschutzverfahren für Metalloberflächen - Google Patents

Korrosionsschutzverfahren für Metalloberflächen Download PDF

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Publication number
EP1402083B1
EP1402083B1 EP02780906A EP02780906A EP1402083B1 EP 1402083 B1 EP1402083 B1 EP 1402083B1 EP 02780906 A EP02780906 A EP 02780906A EP 02780906 A EP02780906 A EP 02780906A EP 1402083 B1 EP1402083 B1 EP 1402083B1
Authority
EP
European Patent Office
Prior art keywords
treatment
acid
vinylpyrrolidone
homo
copolymer
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
EP02780906A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1402083A1 (de
Inventor
Heike Quellhorst
Alina Monica Koch
Patrick Droniou
Marian Pawlik
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 AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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 Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP1402083A1 publication Critical patent/EP1402083A1/de
Application granted granted Critical
Publication of EP1402083B1 publication Critical patent/EP1402083B1/de
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
    • 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
    • C23C22/34—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 fluorides or complex fluorides
    • 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
    • C23C22/34—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 fluorides or complex fluorides
    • C23C22/36—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 fluorides or complex fluorides containing also phosphates
    • 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
    • C23C22/34—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 fluorides or complex fluorides
    • C23C22/36—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 fluorides or complex fluorides containing also phosphates
    • C23C22/361—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 fluorides or complex fluorides containing also phosphates containing titanium, zirconium or hafnium compounds
    • 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
    • C23C22/82—After-treatment
    • C23C22/83—Chemical after-treatment

Definitions

  • the invention is in the field of corrosion protection treatment of Metal surfaces.
  • the aim of the invention is to be on the bare Metal surface to deposit a corrosion-protective layer. It is a special feature of the invention is that no toxic heavy metals such as chromium or nickel have to.
  • DE-C-19 33 013 discloses treatment baths having a pH above 3.5, in addition to complex fluorides of boron, titanium or zirconium in amounts of 0.1 to 15 g / l, based on the metals, in addition 0.5 to 30 g / l of oxidizing agent, in particular Natriummetanitrobenzolsulfonat included.
  • DE-C-24 33 704 describes treatment baths for increasing the paint adhesion and the permanent corrosion protection on, inter alia, aluminum which calculates 0.1 to 5 g / l of polyacrylic acid or its salts or esters and 0.1 to 3.5 g / l of ammonium fluorozirconate as ZrO 2 , may contain.
  • the pH values of these baths can vary over a wide range. The best results are generally obtained when the pH is 6-8.
  • a molar ratio between the fluoric acid and phosphate of about 2.5: 1 to about 1:10.
  • DE-A-27 15 292 discloses treatment baths for chromium-free pretreatment of aluminum cans comprising at least 10 ppm of titanium and / or zirconium, between 10 and 1000 ppm of phosphate and a sufficient amount of fluoride to form complex fluorides of the existing titanium and / or zirconium, at least however, contain 13 ppm, and have pHs between 1.5 and 4.
  • WO 92/07973 teaches a chromium- free treatment process for aluminum containing, as essential components in acidic aqueous solution, from 0.01 to about 18% by weight of H 2 ZrF 6 and from 0.01 to about 10% by weight of a 3- (NC 1 4- alkyl-N-2-hydroxyethylaminomethyl) -4-hydroxystyrene polymer.
  • Optional components are 0.05 to 10% by weight of dispersed SiO 2 , 0.06 to 0.6% by weight of a solubilizer for the polymer and surfactant.
  • the non-prepublished German patent application DE 100 05 113 is based on recognizing that homo- or copolymers of vinylpyrrolidone a have excellent corrosion protection.
  • This invention provides a method of anticorrosive treatment of a Metal surface, characterized in that the metal surface with a homo- or copolymer of vinylpyrrolidone is brought into contact.
  • the metal surface may be first be subjected to a conversion treatment according to the prior art, for example, a zinc or iron phosphating, a Conversion treatment with fluoric acids of metals, for example of titanium, Zirconium or hafnium or even boron or silicon, or a treatment with a solution or suspension of an organic polymer containing no Contains vinylpyrrolidone units. Examples of such polymers are given in the introductory part cited literature mentioned.
  • An alternative embodiment of the cited invention is that the Metal surface with a homo- or copolymer of vinyl pyrrolidone in contact while undergoing a conversion treatment.
  • a homo- or copolymer in the treatment solution present with the on the metal surface a conversion layer is generated.
  • the processing solution for producing the conversion layer may For example, phosphoric acid or their anions.
  • divalent cations such as zinc and / or Manganese may be present.
  • a particular example of such a treatment solution for producing a conversion layer is a zinc phosphating solution, on the metal surface a crystalline layer of zinc-containing Metal phosphates produced.
  • the treatment solution can also Phosphoric acid and / or their anions, but not divalent metals contain.
  • An example of this is a Eisenphosphatierates on a Metal surface, in particular a ferrous surface, an im essential non-crystalline layer of metal phosphates and / or metal oxides generated.
  • the presence of homopolymers or copolymers of vinylpyrrolidone in Such a treatment solution improves the corrosion protection by the conversion layer is achieved. This also applies if the treatment solution except homopolymers or copolymers of vinylpyrrolidone as the conversion layer forming agent Component fluoro acids and / or complex fluorides of metals and Semi-metals such as boron, silicon, titanium, zirconium and / or hafnium contains.
  • the ready-to-use contains Solution for the treatment of metal surfaces preferably between 0.05 and 200 g / l of a homo- or copolymer of vinylpyrrolidone.
  • the present Invention has set itself the task of the subject of DE 100 05 113 terms Improve the efficiency of chemical use.
  • WO-A-97/45568 relates to a process for phosphating metal surfaces Steel, galvanized or alloy galvanized steel, aluminum and / or aluminum-magnesium alloys.
  • the phosphating solutions used in this case contain in addition Zinc ions, phosphate ions, manganese ions and one or more accelerators further from 0.001 to 0.5 g / l of one or more polymers selected from polyethers, polycarboxylates, polymeric phosphonic acids, polymeric phosphinocarboxylic acids and nitrogen-containing organic polymers.
  • Preferred polymers are amino group-containing Poly (vinylphenol) derivatives and homo or copolymer compounds of vinylpyrrolidone.
  • DE-A-36 27 249 discloses a method for producing conversion layers Surfaces of titanium or titanium alloys described.
  • watery Used solutions containing fluoride ions e.g. introduced as silicofluoric acid, one or more metal ions from the group Mg, Ca, Mn, Fe, Co, Ni, Zn or Mo and chelating agents, water-soluble high molecular weight Containing organic compounds and surfactant, wherein the pH in the range of 1.5 to 4.5.
  • the high molecular weight organic compound is in particular polyvinyl alcohol, Gelatin and / or polyvinylpyrrolidone in question.
  • the method is particular suitable for the preparation of titanium workpieces for cold forming.
  • agents according to the invention contain copolymers of vinylpyrrolidone,
  • terpolymers mixtures of homo- and two-component Copolymers, homopolymers and terpolymers or two-component copolymers and terpolymers are used.
  • the ready-to-use agent can be prepared by diluting a concentrate be received, the subject of the unpublished German Patent Application DE 100 05 113 is.
  • the concentrates in split at least two components, each containing selected components of the ready-to-use corrosion inhibitor.
  • a component of the concentrate at least predominantly contains the inorganic constituents of the agent, while at least one other component of the concentrate, the organic polymers contains.
  • the two components of the concentrate can then be different Have pH values, whereby the storage stability of the concentrate components can be increased.
  • the individual components of the concentrate with Water diluted so far that the active ingredients in the desired Concentration range available. It may be necessary to adjust the pH by adding an acid or an alkali to the desired range adjust.
  • Preferred concentration ranges for the active ingredients a) and b) in the Application solution are: In case of the fluoro acids one such amount that Zr, Ti, Hf and / or Si based on these elements in a Concentration in the range between 20 and 1000 mg / l, in particular 50 to 400 mg / l are present.
  • the concentration of polymers or copolymers of Vinyl pyrrolidone in the use solution is preferably in the range of 20 to 45 mg / l.
  • Suitable homopolymers or copolymers of vinylpyrrolidone are, for example, the polymers or polymers listed in Table 1 of the monomers mentioned there.
  • the agent is free from Nickel and chrome. This means that these metals or their compounds the Means should not be added intentionally. However, it can not be ruled out that from the container material or from the surfaces to be treated such as For example, steel alloys ions of nickel and / or chromium in less Concentration in the agent (the treatment solution) get. However, in the Practice expects that the concentrations of nickel and / or chromium in the ready-to-use treatment solution not higher than about 10 ppm.
  • the ready-to-use agent preferably has a pH in the range of 1 to 6 and especially in the range of 2 to 5.5.
  • Farther can acid-soluble compounds of Zr, Ti, Hf or Si and hydrofluoric acid or soluble fluorides are added separately, as this results in the fluoroanions form the said elements.
  • the metal surfaces are selected from surfaces of steel, galvanized steel (electrolytic or hot-dip galvanized), alloy-galvanized steel, aluminum or magnesium.
  • the metals aluminum and magnesium are generally not pure Shape, but as alloys with other elements such as Lithium, zinc, copper, silicon, magnesium (in the case of aluminum alloys) or aluminum (in the case of magnesium alloys).
  • that is Process for the treatment of surfaces of such metals designed in the Vehicle construction, in the household appliance industry, in architecture or Furnishing area can be used.
  • Treatment process then becomes a corrosion-protective coating generated at the same time the liability of a possibly later to be applied improved organic coating such as a varnish.
  • the metal surfaces for example, by spraying or immersing with the treatment solution in Be brought in contact.
  • the Treatment solution after a period of exposure, for example, in the field between 30 seconds and 5 minutes, is rinsed with water.
  • the treatment solution with the metal surface in the so-called No-rinse procedure can be brought into contact.
  • the Treatment solution either sprayed on the metal surface or by Transfer application rollers to the surface. After that takes place after a Duration of exposure, for example in the range of 2 to 20 seconds can, without further intermediate rinsing a drying of the treatment solution. This can be done for example in a heated oven.
  • the treatment solution preferably a pH in the range of 1 to 6, depending on the substrate and type of application and duration of action tighter pH ranges may be preferred can.
  • the pH is blanked for treatment
  • Metal surfaces preferably in the range of 2 to 6, in the treatment of Aluminum surfaces in particular in the range of 2 to 4; at treatment of steel, zinc or galvanized steel in particular in the range of 3 to 5 one.
  • the temperature of the Treatment solution in the execution of the method according to the invention can generally between the freezing point and the boiling point of the Treatment solution lie, for practical reasons, temperatures in the Range of room temperature or above are preferred.
  • the treatment solution has a temperature in the range of 15 to 60 ° C and in particular from 20 to 45 ° C.
  • the treatment method according to the invention represents a partial step in one otherwise usual sequence of procedural steps in the area concerned
  • the metal surfaces to be treated become common before the treatment according to the invention with a customary cleaning solution cleaned.
  • the cleaning step can be omitted if the treatment to be treated Metal surfaces immediately before the treatment according to the invention coated, for example galvanized were.
  • the metal surfaces usually with an organic coating, such as a paint Mistake.
  • a particularly preferred when using the method according to the invention consists in that the metal surface with an aqueous Solution of an acid before it is used to create a conversion layer, so during a conversion treatment, with the above contact means described.
  • the upstream process step, the Metal surface before the conversion treatment with an aqueous solution of a Acid treatment is also referred to in the art as "acid stain" or "Passivation”.
  • Process sequence for this acids can be used, which are commonly used for acid pickling or Beizpassivitation be used. An example of this is Phosphoric acid.
  • HDG hot dip galvanized steel
  • EC electrolytically galvanized steel
  • AC120 aluminum
  • CRS cold rolled steel
  • Example 2 Process sequence as above but without steps 3 and 4.
  • Galvanized substrates Lacquer adhesion to salt water storage aluminum Copper-accelerated salt spray test CASS DIN 50021, 10 days stolen Salt spray test SS DIN 50021, 21 days
  • Example 3 Conversion method with subsequent powder coating (galvanized steels) with copolymer mixtures

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  • 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)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Paints Or Removers (AREA)
EP02780906A 2001-06-30 2002-06-21 Korrosionsschutzverfahren für Metalloberflächen Expired - Lifetime EP1402083B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10131723 2001-06-30
DE10131723A DE10131723A1 (de) 2001-06-30 2001-06-30 Korrosionsschutzmittel und Korrosionsschutzverfahren für Metalloberflächen
PCT/EP2002/006888 WO2003002781A1 (de) 2001-06-30 2002-06-21 Korrosionsschutzmittel und korrosionsschutzverfahren für metalloberflächen

Publications (2)

Publication Number Publication Date
EP1402083A1 EP1402083A1 (de) 2004-03-31
EP1402083B1 true EP1402083B1 (de) 2005-04-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP02780906A Expired - Lifetime EP1402083B1 (de) 2001-06-30 2002-06-21 Korrosionsschutzverfahren für Metalloberflächen

Country Status (15)

Country Link
US (1) US20040151619A1 (enExample)
EP (1) EP1402083B1 (enExample)
JP (1) JP2004533542A (enExample)
KR (1) KR20040043135A (enExample)
CN (1) CN1527889A (enExample)
AT (1) ATE294259T1 (enExample)
BR (1) BR0210725A (enExample)
CA (1) CA2453138A1 (enExample)
CZ (1) CZ20033572A3 (enExample)
DE (2) DE10131723A1 (enExample)
ES (1) ES2240824T3 (enExample)
MX (1) MXPA03011369A (enExample)
RU (1) RU2004102694A (enExample)
SK (1) SK16192003A3 (enExample)
WO (1) WO2003002781A1 (enExample)

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EP2405031A1 (de) * 2010-07-07 2012-01-11 Mattthias Koch Verfahren zur Beschichtung von Formkörpern sowie beschichteter Formkörper
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EP1037719B1 (en) * 1997-10-14 2005-08-24 Henkel Kommanditgesellschaft auf Aktien Composition and process for multi-purpose treatment of metal surfaces
DE10005113A1 (de) * 2000-02-07 2001-08-09 Henkel Kgaa Korrosionsschutzmittel und Korrosionsschutzverfahren für Metalloberflächen
DE10010758A1 (de) * 2000-03-04 2001-09-06 Henkel Kgaa Korrosionsschutzverfahren für Metalloberflächen
DE10010355A1 (de) * 2000-03-07 2001-09-13 Chemetall Gmbh Verfahren zum Aufbringen eines Phosphatüberzuges und Verwendung der derart phosphatierten Metallteile
DE10030462A1 (de) * 2000-06-21 2002-01-03 Henkel Kgaa Haftvermittler in Konversionslösungen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015206812A1 (de) * 2015-04-15 2016-10-20 Henkel Ag & Co. Kgaa Polymerhaltige Vorspüle vor einer Konversionsbehandlung
US11230768B2 (en) 2015-04-15 2022-01-25 Henkel Ag & Co. Kgaa Polymer-containing pre-rinse prior to a conversion treatment

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WO2003002781A1 (de) 2003-01-09
DE10131723A1 (de) 2003-01-16
CN1527889A (zh) 2004-09-08
KR20040043135A (ko) 2004-05-22
CA2453138A1 (en) 2003-01-09
MXPA03011369A (es) 2004-07-01
EP1402083A1 (de) 2004-03-31
US20040151619A1 (en) 2004-08-05
JP2004533542A (ja) 2004-11-04
SK16192003A3 (sk) 2004-05-04
CZ20033572A3 (cs) 2004-11-10
ES2240824T3 (es) 2005-10-16
ATE294259T1 (de) 2005-05-15
DE50202924D1 (de) 2005-06-02
BR0210725A (pt) 2004-07-20
RU2004102694A (ru) 2005-06-10

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