WO2009115504A1 - Optimierte passivierung auf ti-/zr-basis für metalloberflächen - Google Patents
Optimierte passivierung auf ti-/zr-basis für metalloberflächen Download PDFInfo
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- WO2009115504A1 WO2009115504A1 PCT/EP2009/053109 EP2009053109W WO2009115504A1 WO 2009115504 A1 WO2009115504 A1 WO 2009115504A1 EP 2009053109 W EP2009053109 W EP 2009053109W WO 2009115504 A1 WO2009115504 A1 WO 2009115504A1
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- component
- water
- aluminum
- agent
- zirconium
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Classifications
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- 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
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/20—Pretreatment
Definitions
- the present invention relates to a chromium-free aqueous agent based on water-soluble compounds of titanium and / or zirconium and a process for the corrosion-protective conversion treatment of metallic surfaces.
- the chromium-free aqueous agent is suitable for treating various metallic materials joined together in composite structures, including steel or galvanized or alloy-galvanized steel, and any combination of these materials.
- surfaces of aluminum and its alloys can be treated with the agent according to the invention to protect against corrosion.
- the anti-corrosive treatment is primarily intended as a pretreatment for a subsequent immersion coating.
- the invention further comprises a metallic substrate, which has been treated according to a predetermined sequence of processes with the chromium-free agent according to the invention, and its use, in particular in the automotive production of bodies.
- Anticorrosion agents which are an acidic aqueous solution of fluoro complexes, have long been known. They are increasingly used as a replacement for chromating, which are increasingly less used because of the toxicological properties of chromium compounds. As a rule, such solutions of fluoro-complexes contain further anti-corrosive agents that further improve the anti-corrosion effect and paint adhesion.
- DE-A-1933013 in one embodiment, describes a treating solution which is an aqueous solution of ammonium hexafluorozirconate, sodium nitrate, cobalt nitrate and sodium m-nitrobenzenesulfonate, and a pH of 5.2.
- the solution can be used to treat zinc, steel or aluminum surfaces.
- EP-A-1 571 237 describes a treatment solution and method of treatment for iron, zinc, aluminum and magnesium containing surfaces. This solution has a pH in the range of 2 to 6 and contains 5 to 5000 ppm of zirconium and / or titanium and 0.1 to 100 ppm of free fluoride.
- the solution may contain further components selected from chlorate, bromate, nitrite, nitrate, permanganate, vanadate, hydrogen peroxide, tungstate, molybdate or in each case the associated acids.
- Organic polymers may also be present.
- WO 93/05198 describes a "dry-in-place" process in which chromium-free compositions containing, as a component, fluorocomplexes of titanium, zirconium, hafnium, silicon and boron and as second component cations of elements selected from cobalt, magnesium, titanium, Zinc, nickel, tin, zirconium, iron, aluminum and copper, wherein both components must be in a certain minimum ratio to each other, in particular applied to galvanized steel surfaces.
- the exemplary embodiments of the advantageous effect of compositions is documented, the compounds of cobalt as a second component or magnesium.
- WO 07/065645 likewise discloses aqueous compositions containing fluorocomplexes of, inter alia, titanium and / or zirconium, in which case a further component which is selected from: nitrate ions, copper ions, silver ions, Vanadium or vanadate ions, bismuth ions, magnesium ions, zinc ions, manganese ions, cobalt ions, nickel ions, tin ions, buffer systems for the pH range from 2.5 to 5.5, aromatic carboxylic acids having at least two groups containing donor atoms, or derivatives of such carboxylic acids, silica particles having a mean particle size below 1 micron.
- WO 07/065645 further teaches that for the interception of excess free fluoride aluminum ions as "Fluoride scavengers" can be added, but without specifying what characterizes an excess of free fluoride and under what conditions aluminum ions can be used as a "fluoride scavenger".
- EP 1405933 discloses a composition for treating surfaces of iron and / or zinc containing at least one metal from the group consisting of Ti, Zr, Hf and Si and a source of fluorine ions, conditional upon the concentration ratios of these two components being that Amount of free fluoride ions does not exceed 500 ppm.
- fluoride scavenger compounds containing the elements silver, aluminum, copper, iron, manganese, magnesium, nickel, cobalt and zinc are named.
- the object of the present invention is now to provide an aqueous chromium-free, titanium and / or zirconium-based agent for the conversion treatment of metallic surfaces, which, for high fluoride contents of the agent, further optimally passivates the treated metal surface so that the directly treated metallic component on the one hand, a sufficient temporary protection against corrosion is imparted and on the other hand, in cooperation with an organic primer coating or an organic dip paint the high demands on a permanent corrosion protection are met, with an extremely good paint adhesion is guaranteed.
- High fluoride contents corresponding to the task are then present in the aqueous medium if the total number of fluorine atoms is greater than the number of maximum fluorine atoms that can be complexed by the elements titanium and / or zirconium, ie. when the molar ratio of the total number of fluorine atoms to the total number of titanium and / or zirconium atoms exceeds 6.
- an aqueous chromium-free agent suitable for the conversion treatment of metallic surfaces (A) one or more water-soluble compounds containing at least one atom selected from the elements titanium and / or zirconium, wherein the total concentration of these elements not less than 2.5-10 "4 mol / l, but not greater than 2.0-10 "2 mol / l is.
- D one or more water-soluble and / or water-dispersible compounds which release metal ions but are not sources of fluoride ions, containing at least one metal atom selected from the group consisting
- the minimum concentration according to the invention of the elements titanium and / or zirconium of the components (A) represents a threshold value with regard to the conversion layer formation and must therefore be present in the aqueous medium. If the concentration is below this value, there is no homogeneous conversion of the metallic surface with the formation of a mixed oxydic-hydroxidic zirconium-containing passive layer and the layer supports based on the elements titanium and / or zirconium are significantly below 20 mg / m 2 . In such a case, the deposition of copper dominates, while the passivating surface layer formation almost completely disappears.
- concentrations of the elements titanium and / or zirconium according to the components (A) of more than 2.0-10 "2 mol / l in the aqueous medium are not economical and, furthermore, have no additional advantages in the treatment of metallic components
- concentrations impede processability and increase the operating costs of the conversion baths due to inevitable additional regenerative and reprocessing measures, especially those aqueous chromium-free compositions whose component (A) consists exclusively of water-soluble compounds of zirconium.
- the object underlying the invention is achieved by containing an aqueous chromium-free agent suitable for the conversion treatment of metallic surfaces
- Atoms of the component (B) of at least - - is achieved that a
- Az sufficient amount of "fluoride scavengers" is included in the composition according to the invention to after contacting the agent with an iron surface, preferably with an unalloyed steel surface, at a treatment time of 90 s and a treatment temperature of 30 0 C on this a layer of at least 20 mg / m 2 based on the elements of component (A) selected from titanium and / or zirconium effect.
- compositions according to the invention which have this concrete molar ratio D: B of
- Az corrosion-protective pretreatment can be carried out on metallic surfaces, so that primarily only the condition must be satisfied that the molar ratio D: B is below a value, for after contacting the agent with an iron surface, preferably with a carbon steel surface , At a treatment time of 90 s and a treatment temperature of 30 0 C on this a layer of less than 20 mg / m 2 based on the elements of component (A) selected from titanium and / or zirconium results.
- the quotient D: B of at least can therefore also be regarded as a guideline
- a composition according to the invention which causes a sufficient passivating conversion of the metal surface, regardless of the specific procedure when contacting the composition, for such a sufficient conversion must additionally be met the condition that the quotient D: B no values for the contacting of the agent with an iron surface, preferably with an unalloyed steel surface, at a treatment time of 90 s and a treatment temperature of 30 0 C on the latter, a layer of less than 20 mg / m 2 based on the Elements of component (A) selected from titanium and / or zirconium is achieved.
- the advantageous effect consists in the displacement of the composition of the conversion layer after treatment of a metallic surface with the agent according to the invention in favor of higher layer supports with respect to the elements titanium and / or zirconium, in particular relative to the layer of copper, so that increased corrosion protection and improved adhesion properties applied to subsequently organic topcoats are the result.
- the chromium-free and titanium and / or zirconium-based agent is preferably used according to the invention when the molar ratio D: B does not exceed values for which, after contacting the agent with an iron surface, preferably with a carbon steel surface at a treatment time of 90 s and a treatment temperature of 30 0 C on this a layer of less than 20 mg / m 2 based on the elements the component (A) selected from titanium and / or zirconium results. It could be shown in this context that closed homogeneous conversion layers are formed only at layer supports of the elements titanium and / or zirconium of about 20 mg / m 2 .
- such passive layers preferably have a layer support based on the elements titanium and / or zirconium of component (A) of at least 20 mg / m 2 , more preferably of at least 40 mg / m 2 , wherein at the same time based on the layer support preferably does not exceed 100 mg / m 2 , more preferably 80 mg / m 2 , but preferably at least 10 mg / m 2 of copper deposited according to component (C).
- those agents according to the invention are preferred for which the molar ratio A: C of the total number of atoms of the elements titanium and / or zirconium of component (A) to the total number of copper atoms of component (C) is not less than 1: 3, preferably not less than 2: 3. If the ratio A: C falls short of the preferred range in the composition according to the invention, although sufficient inorganic conversion of the metallic surface can take place, the layer deposits with respect to copper are generally above 100 mg / m 2 . In extreme cases, that is, when the preferred ratio is well below the titanium and / or zirconium-based conversion is largely suppressed and wipeable coatings of amorphous metallic copper are the result.
- those agents according to the invention are preferred in which the ratio A: C of the total number of atoms of the elements titanium and / or zirconium the component (A) to the total number of copper atoms of component (C) does not exceed values for which, after contacting the agent with an iron surface, preferably with a carbon steel surface at a treatment time of 90 s and a treatment temperature of 30 0 C on this one layer of less than 20 mg / m 2 based on the elements of component (A) selected from titanium and / or zirconium or more than 100 mg / m 2 based on the element copper of component (C) results ,
- Water-soluble compounds according to the invention corresponding to components (A) - (D) are characterized by being themselves in chemical equilibrium in aqueous solution with ionic species containing the respective named elements or with ionic species of the named elements themselves.
- the resulting in the aqueous solution chemical equilibrium between ionic species and undissociated water-soluble compound according to the components (A) - (D) must be qualitatively detectable by conventional methods, i. the ionic species must be present in the aqueous phase as such at least in an analytically determinable amount.
- water-dispersible compounds of the invention corresponding to component (D) are characterized solely by their ionogenic structure and contain at least one of the respective named elements according to component (D) as an ionic constituent in an inorganic matrix.
- the proportion of the ionic species in the aqueous phase is predetermined by the solubility product of the water-dispersible compound.
- Preferred water-soluble compounds of component (A) are compounds which dissociate in aqueous solution into anions of fluorocomplexes of the elements titanium and / or zirconium. Such preferred compounds are, for example, H 2 ZrF 6 , K 2 ZrF 6 , Na 2 ZrF 6 and (NH 4 ) 2 ZrF 6 and the analogous titanium compounds. Such fluorine-containing compounds according to component (A) are simultaneously inventive water-soluble compounds according to component (B) and vice versa. Also fluorine-free compounds of the elements titanium and / or zirconium can be used according to the invention as water-soluble compounds according to component (A), for example (NH 4 ) 2 Zr (OH) 2 (CO 3) 2 or TiO (SO 4 ).
- Preferred water-soluble compounds of component (B) which serve as a source of fluoride ions are, in addition to the fluorometallates already mentioned, hydrogen fluoride, alkali fluorides, ammonium fluoride and / or ammonium bifluoride.
- Preferred water-soluble compounds of component (C) which release copper ions are all water-soluble copper salts containing no chloride ions. Particular preference is given to copper sulfate, copper nitrate and copper acetate.
- Water-soluble compounds of component (D) which release metal ions but do not provide a source of fluoride ions containing at least one metal atom selected from the group consisting of calcium, magnesium, aluminum, boron, zinc, iron, manganese and / or tungsten are preferably those which release only calcium, aluminum, and / or iron ions, more preferably only those which release aluminum and / or iron ions and in particular those which release exclusively aluminum ions.
- component (D) these include all water-soluble salts of the aforementioned metals according to component (D), which contain neither fluoride nor chloride ions.
- typical compounds according to component (D) may be mentioned here: calcium citrate, magnesium sulfate, aluminum nitrate, alkali borates, boric acid, zinc acetate, zinc sulfate, iron (III) nitrate, iron (II) sulfate, manganese (II) sulfate, ammonium tungstates (VI ).
- Preferred water-dispersible compounds of component (D) are compounds based on silicates containing aluminum, more preferably compounds of aluminum silicates with a ratio of aluminum to silicon atoms of at least 1: 3.
- aluminum silicates are the Molar formula (Na, K) x (Ca, Mg) i -x Al2 -x Si2 + ⁇ 8 (where 0 ⁇ x ⁇ 1), wherein the compound is preferably a zeolite with respect to their crystal morphology.
- chromium-free compositions according to the invention in which the total content of fluorine atoms corresponding to component (B) is limited to 3 g / l, preferably to 2 g / l and more preferably to 1 g / l.
- Higher levels of fluorine are uneconomical because of the then considerable amounts of compounds according to component (D) which are also present and increase the operating costs of the conversion baths due to inevitable additional regenerative and reprocessing measures.
- the present invention is further characterized in that the chromium-free agent is not an additional polymeric agent for effective passivating treatment Must contain connections.
- organic polymers such as derivatives of polyacrylates, polyvinyl alcohols, polyvinylphenols, polyvinylpyrrolidones or block copolymers consisting of structural units of the aforementioned polymers may be useful for the stability of compositions of the invention containing water-dispersible compounds according to component (D). It is therefore preferred that the total content of organic polymers in the composition according to the invention is less than 50 ppm, preferably less than 10 ppm and more preferably less than 1 ppm. In a specific embodiment, the agent according to the invention contains no organic polymer.
- a proportion of phosphate anions in the composition according to the invention generally results in the treatment of metallic surfaces to phosphate-containing conversion layers containing a high proportion of bonded metal cations of the respective pickled substrate, especially zinc and iron cations.
- passive layers also have anti-corrosive properties, but are significantly different from titanium and / or zirconium-based conversion layers based on phosphate-free compositions of the invention.
- the agent according to the invention therefore contains less than 5 ppm and particularly preferably no oxo anions of phosphorus.
- the pH of the agent according to the invention is preferably not less than 2.5, more preferably not less than 3.5, but wherein a pH of preferred Wise 5, more preferably 4.5 is not exceeded.
- the pH is adjusted to the said acidic range by using, as component (A) or component (B), the fluoro-complexes of the elements titanium and / or zirconium at least partially in the form of an acid.
- it can also be adjusted by another acid, for example nitric acid and sulfuric acid.
- the pH may be adjusted accordingly by the addition of alkali metal hydroxides or carbonates, ammonia or organic amines.
- a buffer system which has at least one protolysis equilibrium with a pK value in the range from 2.5 to 5 is additionally contained for adjusting the total acid content.
- a buffer system for said pH range an acetic acid / acetate buffer is particularly suitable.
- Another suitable buffer system based on potassium hydrogen phthalate.
- An increase in the total acid content by the addition of a buffer system increases the stability of the agent according to the invention and facilitates the pH fixation of the agent.
- the adjustment of the agent according to the invention to a defined pH value is necessary when using it, for example as a dip bath in a continuous process for the corrosion-protective treatment of metallic components for a constant quality of the conversion layer. It is found that such a buffer capacity is sufficient, at which the pH of the agent according to the invention in the preferred pH range of 2.5 to 5.5 at an entry of a VaI acid or alkali per liter of solution is preferably no more changed as 0.2 units.
- the aqueous treatment solution may contain compounds which are used in the layer-forming phosphating as so-called “accelerators.” These accelerators have the property of trapping hydrogen atoms which are formed during the pickling attack of the acid on the metal surface. This reaction, also referred to as “depolarization”, facilitates the attack of the acidic treatment solution on the metal surface and thereby accelerates the formation of the corrosion protection layer.
- accelerators in the respective preferred concentration ranges is given below:
- the agent of the present invention can be prepared on-site by dissolving said components (A) - (D) in water and adjusting the pH.
- this procedure is unusual in practice.
- aqueous concentrates are usually provided, from which the ready-to-use chromium-free agent is prepared on site by dilution with water and, if necessary, adjusting the pH.
- an aqueous concentrate which when diluted with water includes an acidic, chromium-free, by a factor of about 10 to about 100, more preferably a factor in the range of about 20 to about 50 and, if necessary, after adjusting the pH.
- aqueous solution according to the above description of the invention also forms the subject of the present invention.
- the present invention relates to a process for the anticorrosive conversion treatment of metallic surfaces, wherein the cleaned metallic surface is brought into contact with the aqueous chromium-free agent according to the invention.
- the temperature of the composition according to the invention is preferably in the range from 15 to 60 ° C., in particular in the range from 25 to 50 ° C.
- the necessary duration of treatment is a convection in the bath system which is typical for the composition of the metallic component to be treated
- the contact time with the chromium-free agent is preferably at least 30 seconds, more preferably at least 1 minute, but should preferably not exceed 10 minutes, more preferably 5 minutes. After this contact is preferably rinsed with water, especially with demineralized water.
- the metal surfaces to be treated are previously freed of oil and grease residues in a cleaning step. At the same time a reproducible metal surface is produced, which ensures a consistent layer quality after the conversion treatment with the agent according to the invention.
- This is preferably an alkaline cleaning with commercially available products known to the person skilled in the art.
- AIs metallic surface surfaces of iron, steel, galvanized and alloy-iron and steel which are obtainable for example under the commercial name Galfan ®, Galvalume ®, ® galvannealed within the meaning of the present invention.
- the metallic surfaces which can be pretreated with the agent according to the invention to protect against corrosion also include aluminum and zinc as well as the respective alloys having an aluminum or zinc alloy content of at least 50 at.%.
- the metallic surface treated in the process according to the invention is preferably a "bare" metal surface.
- “Bright” metal surfaces are understood to be metal surfaces which do not yet carry a corrosion-protecting coating.
- the method according to the invention is the first or only treatment step which produces a corrosion protection layer, which in turn can serve as the basis for a subsequent coating. It is therefore not a post-treatment of a previously generated corrosion protection layer such as a phosphate layer.
- the metal surface is dried after contact with the chromium-free agent and before coating with a dip paint, for example a cathodic electrodeposition paint.
- a dip paint for example a cathodic electrodeposition paint.
- unintentional drying may occur during system downtime when the treated metal surface, such as an automobile body or part thereof, is in the air between the bath containing the agent of the invention and the dip bath.
- this unintentional drying is harmless.
- immersion paint refers to those aqueous dispersions of organic polymers which are applied to the metal surface in the immersion process both without external current, ie self-deposited, and those in which coating with the paint from the aqueous phase takes place by applying an external voltage source.
- the present invention comprises a metallic substrate which has been treated with the agent according to the invention in accordance with the method described above, the surface of the metallic substrate having a titanium and / or zirconium deposit of preferably not less than 20 mg / m 2 and preferably not more than 150 mg / m 2 .
- those metallic substrates are preferred in which the coating layer based on copper does not exceed 100 mg / m 2 , preferably 80 mg / m 2 , but at least 10 mg / m 2 of copper deposited.
- conversion-treated metallic materials, components and composite structures are used in the manufacture of semi-finished products, in automotive production in body construction, in shipbuilding, in construction and in the field of architecture as well as for the production of white goods and electronic housings.
- aqueous chromium-free composition according to the invention and the corresponding process sequence for the conversion treatment of metallic surfaces were tested on cold rolled steel test sheets (CRS ST1405, Sidca or MBS 25, Chemetall).
- the sequence of processes for the treatment according to the invention of the sample sheets is reproduced.
- the sheets were first cleaned alkaline at 60 ° C. for 5 minutes and degreased.
- surfactant-containing mixtures of commercially available products of Anmeldehn were used: mixture containing 3% Ridoline ® 1574A and 0.3% Ridosol ® 1270th Then followed by a rinse with hot water followed by another rinse with deionized water (K ⁇ 1 ⁇ Scm "1 ), before the cold-rolled steel sheets were treated with a chromium-free agent at 30 0 C for 90 sec.
- the freshly treated steel sheets were subjected to a "hot water test.”
- the homogeneity of the conversion coating is checked and evaluated after treatment with the composition according to the invention.
- the freshly treated steel sheets were first blown dry, then immediately dipped at 20 0 C for 30 sec in process water and then dried in air.
- service water is the water which has a predetermined range of values for specific characteristics selected from the conductivity, the pH, the chloride and nitrate ion content and the copper content.
- domestic hot water for use in the "domestic water test" according to the invention must comply with the requirements of EU Directive 98/83 / EC, whereby in particular the chemical parameters for the process water listed in the following table are binding for the performance of the "domestic water test". are.
- Red rust refers to the red-appearing corrosion products of iron, typically iron oxide.
- the formation of red rust occurs almost instantaneously on exposure of iron in a humid atmosphere.
- a thin process water film on a surface of iron is sufficient to initiate the formation of red rust.
- the formation of red rust comes to a standstill in a dry atmosphere, so that a good assessment of the homogeneity of a corrosion-protective conversion layer formation on iron surfaces via the induced formation of red rust is possible. If the steel surface treated with the chromium-free agent yields a homogeneous, closed conversion layer, the formation of red rust is minimal or invisible to the human eye. Conversely, in the "process water test" macroscopic defects are formed Insufficient layer formation or clearly visible on too thin passive layers Red rust.
- Table 1 shows chromium-free zirconium-based anticorrosive pretreatment agents for metal surfaces applied to cold-rolled steel according to the method described above.
- a further aspect of the present invention is the total fluoride content relative to the fraction of "fluoride scavenger” (component D) which, according to the invention, must not fall below a certain value.
- compositions according to the invention in which the molar ratio A: C varies between 1: 14 and 37: 1 are superior to copper-free agents (VB7) for conversion treatment, as long as the total content of zirconium (component A) is sufficient on average to undergo conversion the surface at optimally adjusted molar ratio D: B of "fluoride scavenger” to cause fluorine content (VB6).
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Abstract
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Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09721282.3A EP2255026B1 (de) | 2008-03-17 | 2009-03-17 | Optimierte passivierung auf ti-/zr-basis für metalloberflächen |
AU2009226945A AU2009226945B2 (en) | 2008-03-17 | 2009-03-17 | Optimized passivation on Ti-/Zr-basis for metal surfaces |
CN2009801092953A CN102066612B (zh) | 2008-03-17 | 2009-03-17 | 用于金属表面的基于Ti/Zr的最佳钝化 |
JP2011500186A JP5854834B2 (ja) | 2008-03-17 | 2009-03-17 | チタン及び/又はジルコニウムを主成分とする金属表面に最適化された不動態化処理剤 |
ES09721282.3T ES2544430T3 (es) | 2008-03-17 | 2009-03-17 | Pasivación optimizada a base de Ti/Zr de superficies metálicas |
PL09721282T PL2255026T3 (pl) | 2008-03-17 | 2009-03-17 | Zoptymalizowane pasywowanie na bazie-Ti/Zr dla powierzchni metalowych |
US12/884,359 US8815021B2 (en) | 2008-03-17 | 2010-09-17 | Optimized passivation on Ti/Zr-basis for metal surfaces |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008014465.7 | 2008-03-17 | ||
DE102008014465A DE102008014465B4 (de) | 2008-03-17 | 2008-03-17 | Mittel zur optimierten Passivierung auf Ti-/Zr-Basis für Metalloberflächen und Verfahren zur Konversionsbehandlung |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/884,359 Continuation US8815021B2 (en) | 2008-03-17 | 2010-09-17 | Optimized passivation on Ti/Zr-basis for metal surfaces |
Publications (1)
Publication Number | Publication Date |
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WO2009115504A1 true WO2009115504A1 (de) | 2009-09-24 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/EP2009/053109 WO2009115504A1 (de) | 2008-03-17 | 2009-03-17 | Optimierte passivierung auf ti-/zr-basis für metalloberflächen |
Country Status (11)
Country | Link |
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US (1) | US8815021B2 (de) |
EP (1) | EP2255026B1 (de) |
JP (1) | JP5854834B2 (de) |
KR (1) | KR101596293B1 (de) |
CN (1) | CN102066612B (de) |
AU (1) | AU2009226945B2 (de) |
DE (1) | DE102008014465B4 (de) |
ES (1) | ES2544430T3 (de) |
HU (1) | HUE027024T2 (de) |
PL (1) | PL2255026T3 (de) |
WO (1) | WO2009115504A1 (de) |
Cited By (17)
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WO2012078788A2 (en) * | 2010-12-07 | 2012-06-14 | Henkel Ag & Co. Kgaa | Metal pretreatment composition containing zirconium, copper, and metal chelating agents and related coatings on metal substrates |
CN103108991A (zh) * | 2010-09-15 | 2013-05-15 | 杰富意钢铁株式会社 | 容器用钢板的制造方法 |
WO2014191481A1 (de) | 2013-05-28 | 2014-12-04 | Basf Coatings Gmbh | Verfahren zur tauchlack-beschichtung elektrisch leitfähiger substrate unter nachbehandlung der tauchlack-beschichtung mit einer wässrigen sol-gel- zusammensetzung vor deren aushärtung |
WO2015022007A1 (de) | 2013-08-12 | 2015-02-19 | Basf Coatings Gmbh | Beschichtungszusammensetzung zur tauchlack-beschichtung elektrisch leitfähiger substrate enthaltend eine sol-gel-zusammensetzung |
WO2015043680A1 (de) | 2013-09-30 | 2015-04-02 | Basf Coatings Gmbh | Verfahren zur autophoretischen beschichtung von metallischen substraten unter nachbehandlung der beschichtung mit einer wässrigen sol-gel-zusammensetzung |
WO2015070933A1 (de) | 2013-11-18 | 2015-05-21 | Basf Coatings Gmbh | Verfahren zur beschichtung metallischer substrate mit einer konversionsschicht und einer sol-gel-schicht |
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Cited By (25)
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CN104894544A (zh) * | 2009-10-08 | 2015-09-09 | Ppg工业俄亥俄公司 | 补充剂组合物和补充预处理组合物的方法 |
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WO2012078788A3 (en) * | 2010-12-07 | 2012-09-27 | Henkel Ag & Co. Kgaa | Metal pretreatment composition containing zirconium, copper, and metal chelating agents and related coatings on metal substrates |
CN103249867A (zh) * | 2010-12-07 | 2013-08-14 | 汉高股份有限及两合公司 | 含有锆、铜和金属螯合剂的金属预处理组合物和在金属基材上的相关涂层 |
EP2649219B1 (de) | 2010-12-07 | 2021-04-14 | Henkel AG & Co. KGaA | Metallvorbehandlungszusammensetzung mit zirkonium, kupfer und metallchelatbildner sowie deren beschichtungen auf metallsubstraten |
WO2012078788A2 (en) * | 2010-12-07 | 2012-06-14 | Henkel Ag & Co. Kgaa | Metal pretreatment composition containing zirconium, copper, and metal chelating agents and related coatings on metal substrates |
US10094026B2 (en) | 2010-12-07 | 2018-10-09 | Henkel Ag & Co. Kgaa | Metal pretreatment composition containing zirconium, copper, and metal chelating agents and related coatings on metal substrates |
US9580813B2 (en) | 2010-12-07 | 2017-02-28 | Henkel Ag & Co. Kgaa | Metal pretreatment composition containing zirconium, copper, and metal chelating agents and related coatings on metal substrates |
US9284460B2 (en) | 2010-12-07 | 2016-03-15 | Henkel Ag & Co. Kgaa | Metal pretreatment composition containing zirconium, copper, and metal chelating agents and related coatings on metal substrates |
WO2014191481A1 (de) | 2013-05-28 | 2014-12-04 | Basf Coatings Gmbh | Verfahren zur tauchlack-beschichtung elektrisch leitfähiger substrate unter nachbehandlung der tauchlack-beschichtung mit einer wässrigen sol-gel- zusammensetzung vor deren aushärtung |
US10208213B2 (en) | 2013-08-12 | 2019-02-19 | Basf Coatings Gmbh | Dip-coating composition for electroconductive substrates, comprising a sol-gel composition |
WO2015022007A1 (de) | 2013-08-12 | 2015-02-19 | Basf Coatings Gmbh | Beschichtungszusammensetzung zur tauchlack-beschichtung elektrisch leitfähiger substrate enthaltend eine sol-gel-zusammensetzung |
WO2015043680A1 (de) | 2013-09-30 | 2015-04-02 | Basf Coatings Gmbh | Verfahren zur autophoretischen beschichtung von metallischen substraten unter nachbehandlung der beschichtung mit einer wässrigen sol-gel-zusammensetzung |
WO2015070933A1 (de) | 2013-11-18 | 2015-05-21 | Basf Coatings Gmbh | Verfahren zur beschichtung metallischer substrate mit einer konversionsschicht und einer sol-gel-schicht |
WO2015070931A1 (de) | 2013-11-18 | 2015-05-21 | Basf Coatings Gmbh | Wässrige beschichtungszusammensetzung zur tauchlack-beschichtung elektrisch leitfähiger substrate enthaltend bismut in gelöst vorliegender form |
US9920205B2 (en) | 2013-11-18 | 2018-03-20 | Basf Coatings Gmbh | Aqueous dip-coating composition for electroconductive substrates, comprising dissolved bismuth |
WO2015070930A1 (de) | 2013-11-18 | 2015-05-21 | Basf Coatings Gmbh | Wässrige beschichtungszusammensetzung zur tauchlack-beschichtung elektrisch leitfähiger substrate enthaltend bismut sowohl in gelöst als auch ungelöst vorliegender form |
US10407578B2 (en) | 2013-11-18 | 2019-09-10 | Basf Coatings Gmbh | Aqueous dip-coating composition for electroconductive substrates, comprising both dissolved and undissolved bismuth |
US10435805B2 (en) | 2013-11-18 | 2019-10-08 | Basf Coatings Gmbh | Two-stage method for dip-coating electrically conductive substrates using a Bi (III)-containing composition |
WO2015074680A1 (de) | 2013-11-19 | 2015-05-28 | Basf Coatings Gmbh | Wässrige beschichtungszusammensetzung zur tauchlack-beschichtung elektrisch leitfähiger substrate enthaltend magnesiumoxid |
WO2015074679A1 (de) | 2013-11-19 | 2015-05-28 | Basf Coatings Gmbh | Wässrige beschichtungszusammensetzung zur tauchlack-beschichtung elektrisch leitfähiger substrate enthaltend aluminiumoxid |
US9982147B2 (en) | 2013-12-10 | 2018-05-29 | Basf Coatings Gmbh | Aqueous dip-coating composition for electroconductive substrates, comprising bismuth and a phosphorus-containing, amine-blocked compound |
US10717110B2 (en) | 2014-05-14 | 2020-07-21 | Basf Coatings Gmbh | Aqueous dispersion of at least two polymeric resins and aqueous coating composition comprising same for applying a topcoat |
WO2020212074A1 (de) | 2019-04-15 | 2020-10-22 | Basf Coatings Gmbh | Wässrige beschichtungszusammensetzung zur tauchlack-beschichtung elektrisch leitfähiger substrate enthaltend bismut sowie lithium |
WO2021148261A1 (en) | 2020-01-24 | 2021-07-29 | Basf Coatings Gmbh | Aqueous electrocoating materials comprising a silane-containing crosslinker |
Also Published As
Publication number | Publication date |
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JP5854834B2 (ja) | 2016-02-09 |
EP2255026B1 (de) | 2015-05-06 |
DE102008014465B4 (de) | 2010-05-12 |
KR20110004384A (ko) | 2011-01-13 |
US8815021B2 (en) | 2014-08-26 |
US20110041957A1 (en) | 2011-02-24 |
PL2255026T3 (pl) | 2015-10-30 |
AU2009226945B2 (en) | 2013-09-12 |
AU2009226945A1 (en) | 2009-09-24 |
EP2255026A1 (de) | 2010-12-01 |
CN102066612B (zh) | 2013-11-13 |
JP2011514448A (ja) | 2011-05-06 |
DE102008014465A1 (de) | 2009-09-24 |
CN102066612A (zh) | 2011-05-18 |
KR101596293B1 (ko) | 2016-02-22 |
ES2544430T3 (es) | 2015-08-31 |
HUE027024T2 (en) | 2016-08-29 |
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