EP1200641B1 - Vorbehandlung von aluminiumoberflächen durch chromfreie lösungen - Google Patents
Vorbehandlung von aluminiumoberflächen durch chromfreie lösungen Download PDFInfo
- Publication number
- EP1200641B1 EP1200641B1 EP00925252A EP00925252A EP1200641B1 EP 1200641 B1 EP1200641 B1 EP 1200641B1 EP 00925252 A EP00925252 A EP 00925252A EP 00925252 A EP00925252 A EP 00925252A EP 1200641 B1 EP1200641 B1 EP 1200641B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- workpieces
- treatment
- application
- optionally
- free
- 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
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
- C23C22/34—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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/12—Light metals
- C23G1/125—Light metals aluminium
Definitions
- the invention relates to a method for the pretreatment of Workpieces with a surface of aluminum or Aluminum alloys for chipless forming and / or the bonding by welding or gluing with similar pretreated or otherwise otherwise precoated workpieces or optionally Pre-treated parts made of steel and / or galvanized and / or alloy-galvanized steel and for a subsequent anti-corrosive treatment by Phosphating, by a chromium-free conversion treatment, by primer application or by painting.
- the hexavalent Chromium to avoid associated disadvantages, sees another process category for applying Conversion coatings especially for aluminum surfaces, a treatment with compositions based on the fluoroanions zircons and / or Titans (US-A-41 48 670, FR-A-942 789, EP-A-106 389, EP-A-825 280).
- EP-B-700 452 envisages contacting surfaces of aluminum or its alloys with an aqueous solution prior to a second permanent anticorrosion treatment for pretreatment, comprising complex fluorides of the elements boron, Contain silicon, titanium, zirconium or hafnium individually or in admixture with each other in concentrations of the fluoro-anions of 100 to 4000 mg / l and have a pH of 0.3 to 3.5.
- the parts made of aluminum or its alloys are subjected to a non-cutting and / or cutting deformation process, and / or bonded to one another or to parts made of steel and / or galvanized and / or alloy-galvanized steel by gluing and / or welding.
- the application of the optionally polymers containing certain condition-containing solution can be done by spraying, dipping or no-rinse method, wherein in the case of the no-rinse method, the wet film amount between 2 to 10, preferably between 4 and 6 ml / m 2 metal surface should. Regardless of the form of application of the solution, it is advantageous to dry at temperatures between 40 and 85 ° C.
- the parts made of aluminum or its alloys are acid or alkaline cleaned prior to the first conversion treatment, and cleaning steps and intermediate rinses with water and / or activating rinsing baths preferably take place before the permanent corrosion-protective treatment.
- the object of the invention is to provide a method for Pre-treatment of workpieces with a surface made Aluminum or aluminum alloys for the non-cutting Forming and / or joining by welding or Gluing with similarly pretreated or optionally otherwise precoated workpieces or parts made of steel and / or galvanized and / or alloy galvanized Steel and a subsequent permanent anti-corrosive treatment by phosphating, by a chrome-free conversion treatment, by primer application or to provide painting regularly Workpieces with a sufficiently low Volume resistance with good adhesive pull shear values and good temporary Corrosion protection leads.
- the compound of the invention pretreated workpieces can be pre-coated with similar pretreated or possibly otherwise, for.
- phosphated workpieces done with surfaces of aluminum or its alloys. If intended to be joined to steel and / or galvanized and / or alloy galvanized steel parts, these parts may have bare or precoated surfaces.
- a suitable pre-coating can, for. Example, a phosphate layer with a maximum coating weight of 2 g / m 2 or a layer of a conductive primer.
- the pickling process is a Prevent cleaning / degreasing stage or the Pickling process is to lead in the way that one simultaneous cleaning / degreasing takes place. The latter can done by adding surfactant to the pickling solution.
- a method for phosphating are those which with solutions based on zinc phosphate, in particular according to the low-zinc technology, or with Alkaline phosphate work, in the foreground.
- the solutions can by adding further small amounts of polyvalent cations, such as calcium, magnesium, nickel, Copper or manganese, be modified.
- chromium-free conversion treatment For chromium-free conversion treatment get in particular Acid solutions of the fluoro complexes of titanium, zirconium, Hafnium, but also boron and silicon, optionally with a content of organic polymer, used.
- reaction primer As a primer so-called reaction primer or Adhesive base be applied.
- the pretreatment of the workpieces according to the invention provides a sufficient, temporary corrosion protection for longer storage times safely. During this time takes place no negative influence on the weldability, in particular electrical resistance welding, or the bondability. Also is overlooking the Weldability ensures that the volume resistance Practical on all surface areas of the workpiece is equal to.
- Workpieces in the context of the present invention are tape, Sheet metal and individual parts, such as profiles.
- step c) The application of the solution according to step c) can be done by spraying or dipping with or without water rinsing. For application without water rinse, it is advantageous excess treatment solution by squeezing rollers too remove.
- the treatment solution according to the roll coater method especially advantageous. It allows one in a single operation defined setting of the desired wet film thickness.
- the workpiece is dried or the solution dried up.
- Object temperatures of 30 to 90 ° C are special advantageous.
- the treatment fluids are Usually concentrates used with low salt Water, preferably demineralized water, on each be diluted to be adjusted. Especially it is advantageous for the purpose of avoiding the entry of Alkali ions, the required fluoro anions of the zirconium and Titans with the help of the free acids and the If necessary, the respective pH value by adding ammonia adjust.
- the pickling of the workpieces happens with a mineral acid-containing aqueous, acidic Solution. It can be carried out electrolytically or chemically. At the Electrolytic pickling is as mineral acid phosphoric acid particularly suitable. The pickling chemically, the because of the less complex apparatus in the Usually preference is given to using nitric acid or Nitric acid / hydrofluoric acid are made.
- the surfactant, hydrogen fluoride and sulfuric acid contains, with solutions that are 3 to 8 g / l Sulfuric acid, 50 to 150 mg / l not complexed, free fluoride and 1 to 3 g / l nonionic surfactant ' contained, have been found to be particularly suitable.
- Nonionic surfactants are ethylene oxide adducts Fatty alcohols and, for example, abietic acid especially suitable.
- the measurement of the free fluoride was done with a fluoride-sensitive Electrode performed, with the calibration the electrode was made with solutions whose pH identical to that of the solution to be tested.
- the pickling process should be carried out in such a way that a metal removal of about 0.1 to 0.6 g / m 2 workpiece surface is obtained.
- step b) takes place preferably in several rinsing stages, being particularly advantageous, the rinse water cascade the workpiece to lead contrary. It should be the last Rinsing be carried out with demineralized water.
- Treatment according to step c) prevents the ' Workpieces with a surface of aluminum or Aluminum alloy re-growth of an oxide layer occurs.
- a further advantageous embodiment of the invention provides for the workpieces in step c) to be brought into contact with a solution containing colloidal silica. Due to the content of the solution of silica, the paint adhesion is improved in a subsequent coating. An adverse effect on the volume resistivity does not occur.
- a particularly suitable silica is fumed silica having an average particle size of 10 to 25 nm.
- Particularly advantageous coating weights are between 2 and 30 mg / m 2 (calculated as Si).
- the silicic acid concentrations to be set in the respective treatment solutions used in stage c) can be determined in a simple manner on the basis of a few experiments. When applying the solution in the roll coater method, it can be easily calculated on the amount of wet film to be applied.
- a lubricant acts in particular mineral oil-based forming oils containing fully synthetic or native, or um Dry lubricants based on polyethylene / polyacrylate.
- the one perfect deformation and / or gluing or as a result of low and uniform over the workpiece surface Electric volume resistance is ongoing and allow easy welding.
- the workpieces for a subsequent permanent Corrosion protection treatment ideally suited.
- Example 2 shows that due to a too high Weight of the dressing in the treatment according to step c) obtained layer very high Volume resistances - especially after storage for 30 days - received become.
- Examples 3 to 5 and 10 are indeed the obtained support weights in the desired range, however are due to the titanium / zirconium ratio in the Treatment solution for process step c) of about 1: 3 (Example 3) or about 3: 1 (Example 4) or as a result of Zirconium free (Example 5) or the freedom from titanium (Example 10) of the solution obtained Volume resistances, especially after 30 days Storage, unacceptable.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Description
Durch den Gehalt der Lösung an Kieselsäure wird bei einer nachfolgenden Lackierung die Lackhaftung verbessert. Eine nachteilige Beeinflussung des Durchgangswiderstandes erfolgt nicht. Eine besonders geeignete Kieselsäure ist pyrogene Kieselsäure mit einer mittleren Teilchengröße von 10 bis 25 nm. Besonders vorteilhafte Auflagegewichte liegen zwischen 2 und 30 mg/m2 (ber. als Si). Aufgrund dieser Angaben sind die einzustellenden Kieselsäurekonzentrationen in den jeweiligen, in Stufe c) zur Anwendung gelangenden Behandlungslösungen anhand weniger Versuche in einfacher Weise zu ermitteln. Bei Applikation der Lösung im Roll Coater-Verfahren läßt sie sich über die aufzubringende Naßfilmmenge leicht errechnen.
Beispiel | Konzentration in mg/l | pH-Wert | Applikation | ||||
Ti | Zr | TiF6 | ZrF6 | TiF6+ZrF6 | |||
1 | 354 | 360 | 1197 | 810 | 2007 | 2,4 | Tauchen |
2 | 354 | 360 | 1197 | 810 | 2007 | 2,4 | Tauchen |
3 | 362 | 1074 | 1224 | 2416 | 3640 | 1,9 | RollCoater |
4 | 1075 | 360 | 3634 | 810 | 4444 | 1,8 | RollCoater |
5 | 700 | 0 | 2367 | 0 | 2367 | 2 | Tauchen |
6 | 60 | 60 | 203 | 135 | 338 | 4,2 | Spritzen |
7 | 120 | 120 | 406 | 270 | 676 | 4,1 | Tauchen |
8 | 1328 | 1328 | 4490 | 2987 | 7477 | 2 | RollCoater |
9 | 60 | 60 | 203 | 135 | 338 | 4,2 | Tauchen |
10 | 0 | 40 | 0 | 90 | 90 | 4,2 | Tauchen |
11 | 60 | 60 | 203 | 135 | 338 | 4,2 | Tauchen |
12 | 60 | 60 | 203 | 135 | 338 | 4,2 | Tauchen |
13 | 2700 | 2600 | 9128 | 5849 | 14977 | 1,8 | RollCoater |
Bei- spiel | Auflage (mg/m2) | Durchgangswiderstand | Klebe-Zugscherwerte (N/mm2) | |||||||||
6016 Ti | 5182 Ti | 6016 Zr | 5182 Zr | 6016 direkt | 5182 | 6016 n.30 | 5182 Tagen | 6016 Anfang | 5182 | 6016 20 Rdn | 5182 SCAB | |
1 | 10 | 10 | 114 | 147 | 12,6 | 11,2 | ||||||
2 | 10 | 10 | 30 | 92 | 12,2 | |||||||
3 | 3 | 8 | 21 | 52 | 13,1 | 11,4 | ||||||
4 | 8 | 3 | 49 | 80 | 12,8 | 11,2 | ||||||
5 | 10 | 40 | 68 | 13,3 | 11,0 | |||||||
6 | 2 | 2 | 4 | 8 | 14,2 | 13,0 | ||||||
7 | 6 | 6 | 22 | 23 | 13,3 | 12,4 | ||||||
8 | 4 | 4 | 12 | 20 | 13,5 | 13,0 | ||||||
9 | 6 | 7 | 4 | 5 | 18 | 10 | 31 | 34 | 15,8 | 16,8 | 11,5 | |
10 | 8 | 8 | 26 | 38 | 45 | 95 | 16,4 | 17,4 | 12,1 | |||
11 | 5 | 4 | 3 | 4 | 11 | 9 | 27 | 36 | 15,7 | 16,8 | 11,8 | |
12 | 4 | 4 | 4 | 4 | 10 | 18 | 24 | 35 | 15,3 | 16,7 | 15,3 | 14,7 |
13 | 4 | 4 | 4 | 4 | 21 | 30 | 17,8 | 16, 7 |
Claims (5)
- Verfahren zur Vorbehandlung von Werkstücken mit einer Oberfläche aus Aluminium oder Aluminiumlegierungen für die spanlose Umformung und/oder das Verbinden durch Schweißen oder Kleben mit gleichartig vorbehandelten oder gegebenenfalls anderweitig vorbeschichteten Werkstücken oder mit gegebenenfalls vorbeschichteten Teilen aus Stahl und/oder verzinktem und/oder legierungsverzinktem Stahl sowie für eine sich daran anschließende permanent korrosionsschützende Behandlung durch Phosphatieren, durch eine chromfreie Koriversionsbehandlung, durch Primerauftrag oder durch Lackieren, wobei man die Werkstückea) mit einer Mineralsäure enthaltenden wäßrigen, sauren Lösung im Tauchen oder Spritzen beizt,b) mit Wasser spültc) mit einer wäßrigen, sauren Lösung, die chrom- und polymerfrei ist und im wesentlichen aus Ti und Zr als komplexe Fluoride in einem Gewichtsverhältnis von Ti : Zr von 2:1 bis 1:2 sowie ggf. aus kolloidaler Kieselsäure besteht, in der Weise in Kontakt bringt, daß nach dem nachfolgenden Auftrocknen ein Schichtgewicht von 2 bis 15 mg/m2 (ber. als Ti/Zr-Metall) resultiert, man beim in-Kontakt-Bringen des Werkstückes Lösungen einsetzt, die bei Tauch- oder Spritz-Applikation 300 bis 700 mg/l Fluorid (ber. als Fluoro-Anion) enthalten und einen pH-Wert von 4,0 bis 5,0 aufweisen und bei Applikation im Rollenauftragsverfahren 5000 bis 15000 mg/l Fluorid (ber. als Fluoro-Anion) enthalten und einen pH-Wert von 1,0 bis 3,0 aufweisen.
- Verfahren nach Anspruch 1, wobei man die Werkstücke mit einer Tensid, Fluorwasserstoffsäure und Schwefelsäure enthaltenden Lösung beizt.
- Verfahren nach Anspruch 2, wobei man die Werkstücke mit einer Lösung beizt, die 3 bis 8 g/l Schwefelsäure, 50 bis 150 mg/l freies Fluorid und 1 bis 3 g/l nichtionisches Tensid enthält.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 3, wobei man für den Fall der Vorbehandlung der Werkstücke für die spanlose Umformung vor dem Umformungsprozeß ein Schmiermittel aufbringt.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 4, wobei man vor der permanent korrosionsschützenden Behandlung Reinigungs-, Wasserspül- und gegebenenfalls Aktivierungsbehandlungen vornimmt.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19921842A DE19921842A1 (de) | 1999-05-11 | 1999-05-11 | Vorbehandlung von Aluminiumoberflächen durch chromfreie Lösungen |
DE19921842 | 1999-05-11 | ||
PCT/EP2000/003900 WO2000068458A1 (de) | 1999-05-11 | 2000-04-29 | Vorbehandlung von aluminiumoberflächen durch chromfreie lösungen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1200641A1 EP1200641A1 (de) | 2002-05-02 |
EP1200641B1 true EP1200641B1 (de) | 2003-12-17 |
Family
ID=7907793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00925252A Expired - Lifetime EP1200641B1 (de) | 1999-05-11 | 2000-04-29 | Vorbehandlung von aluminiumoberflächen durch chromfreie lösungen |
Country Status (10)
Country | Link |
---|---|
US (1) | US6562148B1 (de) |
EP (1) | EP1200641B1 (de) |
AR (1) | AR023943A1 (de) |
AT (1) | ATE256765T1 (de) |
AU (1) | AU4403400A (de) |
CA (1) | CA2373089A1 (de) |
DE (2) | DE19921842A1 (de) |
ES (1) | ES2213012T3 (de) |
NO (1) | NO20015445L (de) |
WO (1) | WO2000068458A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1870489B2 (de) † | 2006-04-19 | 2012-10-17 | Ropal AG | Verfahren zur Herstellung eines korrosionsgeschützten und hochglänzenden Substrats |
US10125424B2 (en) | 2012-08-29 | 2018-11-13 | Ppg Industries Ohio, Inc. | Zirconium pretreatment compositions containing molybdenum, associated methods for treating metal substrates, and related coated metal substrates |
Families Citing this family (26)
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---|---|---|---|---|
US6488990B1 (en) * | 2000-10-06 | 2002-12-03 | Chemetall Gmbh | Process for providing coatings on a metallic surface |
WO2002066702A1 (en) | 2001-02-16 | 2002-08-29 | Henkel Kommanditgesellschaft Auf Atkien | Process for treating multi-metal articles |
RU2363769C2 (ru) | 2003-01-10 | 2009-08-10 | Хенкель Коммандитгезелльшафт ауф Акциен | Состав для нанесения покрытий |
US7063735B2 (en) | 2003-01-10 | 2006-06-20 | Henkel Kommanditgesellschaft Auf Aktien | Coating composition |
DE10358590A1 (de) * | 2003-12-12 | 2005-07-07 | Newfrey Llc, Newark | Verfahren zur Vorbehandlung von Oberflächen von Schweissteilen aus Aluminium oder seinen Legierungen und entsprechende Schweissteile |
DE102005059314B4 (de) * | 2005-12-09 | 2018-11-22 | Henkel Ag & Co. Kgaa | Saure, chromfreie wässrige Lösung, deren Konzentrat, und ein Verfahren zur Korrosionsschutzbehandlung von Metalloberflächen |
US8673091B2 (en) * | 2007-08-03 | 2014-03-18 | Ppg Industries Ohio, Inc | Pretreatment compositions and methods for coating a metal substrate |
US9574093B2 (en) * | 2007-09-28 | 2017-02-21 | Ppg Industries Ohio, Inc. | Methods for coating a metal substrate and related coated metal substrates |
US20090311534A1 (en) * | 2008-06-12 | 2009-12-17 | Griffin Bruce M | Methods and systems for improving an organic finish adhesion to aluminum components |
US8282801B2 (en) * | 2008-12-18 | 2012-10-09 | Ppg Industries Ohio, Inc. | Methods for passivating a metal substrate and related coated metal substrates |
US10400337B2 (en) | 2012-08-29 | 2019-09-03 | Ppg Industries Ohio, Inc. | Zirconium pretreatment compositions containing lithium, associated methods for treating metal substrates, and related coated metal substrates |
US8808796B1 (en) | 2013-01-28 | 2014-08-19 | Ford Global Technologies, Llc | Method of pretreating aluminum assemblies for improved adhesive bonding and corrosion resistance |
US9273399B2 (en) | 2013-03-15 | 2016-03-01 | Ppg Industries Ohio, Inc. | Pretreatment compositions and methods for coating a battery electrode |
EP2883650B8 (de) * | 2013-12-13 | 2021-08-18 | Speira GmbH | Flussmittelfreies Fügen von Aluminiumverbundwerkstoffen |
DE102014206407A1 (de) | 2014-04-03 | 2015-10-08 | Henkel Ag & Co. Kgaa | Zweistufen-Vorbehandlung von Aluminium umfassend Beize und Passivierung |
DE102014225237B3 (de) * | 2014-12-09 | 2016-04-28 | Henkel Ag & Co. Kgaa | Verfahren zur nasschemischen Vorbehandlung einer Vielzahl von Eisen- und Aluminiumbauteilen in Serie |
ES2908928T3 (es) | 2015-05-01 | 2022-05-04 | Novelis Inc | Proceso continuo de pretratamiento de bobina |
WO2016193291A1 (en) * | 2015-06-03 | 2016-12-08 | Atotech Deutschland Gmbh | Surface treatment composition |
DE102015215651B4 (de) * | 2015-08-17 | 2020-10-08 | Vacuumschmelze Gmbh & Co. Kg | Verfahren und Behandlungslösung zur Behandlung von Aluminiumbeschichtungen vor der Passivierung mit Chrom(III)-haltigen Lösungen |
CN108350579A (zh) * | 2015-09-15 | 2018-07-31 | 凯密特尔有限责任公司 | 用含锆和钼的组合物预处理铝表面 |
JP6227749B2 (ja) * | 2016-03-29 | 2017-11-08 | 株式会社神戸製鋼所 | アルミニウム材の表面処理方法および表面処理アルミニウム材 |
MX2019001874A (es) | 2016-08-24 | 2019-06-06 | Ppg Ind Ohio Inc | Composicion limpiadora que contiene hierro. |
PL3456864T3 (pl) | 2017-09-18 | 2020-05-18 | Henkel Ag & Co. Kgaa | Dwuetapowa obróbka wstępna aluminium, zwłaszcza stopów odlewniczych aluminium, obejmująca wytrawianie i obróbkę konwersyjną |
WO2020148412A1 (en) | 2019-01-18 | 2020-07-23 | Constellium Neuf-Brisach | Continuous surface treatment for coils made of aluminum alloys sheets |
FR3091880B1 (fr) * | 2019-01-18 | 2022-08-12 | Constellium Neuf Brisach | Traitement de surface en continu des bobines réalisées à partir de tôles d’alliages d’aluminium |
JP6846558B1 (ja) * | 2019-09-27 | 2021-03-24 | 株式会社Uacj | アルミニウム合金材及びその製造方法 |
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DE4412138A1 (de) * | 1994-04-08 | 1995-10-12 | Henkel Kgaa | Chromfreies Verfahren zur No-Rinse Behandlung von Aluminium und seinen Legierungen sowie hierfür geeignete wäßrige Badlösungen |
JP3315529B2 (ja) | 1994-06-03 | 2002-08-19 | 日本パーカライジング株式会社 | アルミニウム含有金属材料の表面処理用組成物及び表面処理方法 |
JP3620893B2 (ja) * | 1995-07-21 | 2005-02-16 | 日本パーカライジング株式会社 | アルミニウム含有金属用表面処理組成物及び表面処理方法 |
US5693371A (en) | 1996-10-16 | 1997-12-02 | Betzdearborn Inc. | Method for forming chromium-free conversion coating |
-
1999
- 1999-05-11 DE DE19921842A patent/DE19921842A1/de not_active Withdrawn
-
2000
- 2000-04-29 EP EP00925252A patent/EP1200641B1/de not_active Expired - Lifetime
- 2000-04-29 CA CA002373089A patent/CA2373089A1/en not_active Abandoned
- 2000-04-29 US US10/018,165 patent/US6562148B1/en not_active Expired - Lifetime
- 2000-04-29 ES ES00925252T patent/ES2213012T3/es not_active Expired - Lifetime
- 2000-04-29 DE DE50004805T patent/DE50004805D1/de not_active Expired - Lifetime
- 2000-04-29 AU AU44034/00A patent/AU4403400A/en not_active Abandoned
- 2000-04-29 AT AT00925252T patent/ATE256765T1/de not_active IP Right Cessation
- 2000-04-29 WO PCT/EP2000/003900 patent/WO2000068458A1/de active IP Right Grant
- 2000-05-10 AR ARP000102248A patent/AR023943A1/es unknown
-
2001
- 2001-11-07 NO NO20015445A patent/NO20015445L/no not_active Application Discontinuation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1870489B2 (de) † | 2006-04-19 | 2012-10-17 | Ropal AG | Verfahren zur Herstellung eines korrosionsgeschützten und hochglänzenden Substrats |
US8993119B2 (en) | 2006-04-19 | 2015-03-31 | Ropal Europe Ag | Process for producing a corrosion-protected and high-gloss substrate |
US10125424B2 (en) | 2012-08-29 | 2018-11-13 | Ppg Industries Ohio, Inc. | Zirconium pretreatment compositions containing molybdenum, associated methods for treating metal substrates, and related coated metal substrates |
US10920324B2 (en) | 2012-08-29 | 2021-02-16 | Ppg Industries Ohio, Inc. | Zirconium pretreatment compositions containing molybdenum, associated methods for treating metal substrates, and related coated metal substrates |
Also Published As
Publication number | Publication date |
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AR023943A1 (es) | 2002-09-04 |
DE50004805D1 (de) | 2004-01-29 |
NO20015445D0 (no) | 2001-11-07 |
CA2373089A1 (en) | 2000-11-16 |
ES2213012T3 (es) | 2004-08-16 |
US6562148B1 (en) | 2003-05-13 |
NO20015445L (no) | 2001-11-07 |
ATE256765T1 (de) | 2004-01-15 |
WO2000068458A1 (de) | 2000-11-16 |
EP1200641A1 (de) | 2002-05-02 |
AU4403400A (en) | 2000-11-21 |
DE19921842A1 (de) | 2000-11-16 |
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