EP1594629A2 - Procede de realisation d'un revetement multicouche - Google Patents
Procede de realisation d'un revetement multicoucheInfo
- Publication number
- EP1594629A2 EP1594629A2 EP04706659A EP04706659A EP1594629A2 EP 1594629 A2 EP1594629 A2 EP 1594629A2 EP 04706659 A EP04706659 A EP 04706659A EP 04706659 A EP04706659 A EP 04706659A EP 1594629 A2 EP1594629 A2 EP 1594629A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- coating
- quotient
- surface energy
- radiation
- weight
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
- B05D7/546—No clear coat specified each layer being cured, at least partially, separately
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/08—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by flames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
- B05D3/107—Post-treatment of applied coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/14—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by electrical means
- B05D3/141—Plasma treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/005—Repairing damaged coatings
Definitions
- the present invention relates to a method for producing a multilayer coating, for. B. multi-layer coating, in which a subsequent coating material (B) is applied and cured to a first coating (A) and its use.
- Refinishing is a repainting or overpainting of either a part of an automobile that has been damaged by an accident, for example, or a top coat or a complete overpainting of an already painted automobile due to paint damage, color differences or other undesirable faults in the paint already applied.
- the paint used for the repair must adhere to the top layer of the original paint (serial paint) and wet it completely. A complex mechanical pretreatment such as grinding should be avoided.
- the paints used in the lower Layer and the upper layer are coordinated with each other during their manufacture, so that good wetting and adhesion is usually guaranteed.
- the repair lacquer must also adhere to the lower layers at the same time if the layers above have flaked off.
- the refinish must be hardened at relatively low temperatures, otherwise plastic and rubber parts on the vehicle will suffer.
- the lacquers curable with actinic radiation or with actinic and thermal radiation would be preferred for such tasks, since their curing can take place at low temperatures.
- these coatings are particularly desirable in the automotive industry. They have a particularly good gloss, high hardness, excellent weathering stability and good scratch resistance.
- EP 0349749 A1 discloses the use of plasma pretreatment of painted components to increase the adhesiveness of a second coat of paint to be applied subsequently.
- the relationship between the surface tensions is not specified.
- the object of the present invention is therefore to provide a new process for the production of multilayer coatings which no longer has the disadvantages of the prior art, but which is largely independent of the prevailing conditions, in particular as regards temperature and air humidity, and also under extreme conditions is applicable.
- Each subsequent layer to be applied should adhere well to the previous layer and also completely wet it.
- the repair of the coating should be made possible by the new process and the repaired area thus obtained should be at high and low temperatures, high and low air humidity as well as under rapidly changing conditions, such as those prevailing in the tropical climate and in the desert climate, with high radiation intensity and do not suffer any damage under intensive mechanical and chemical stress or result in a permanent, high-quality refinish, regardless of which of the layers of the multi-layer coating the coating material used for the repair is applied.
- the new process should be able to be used reliably with the largest possible selection of coatings and coating materials, with particular attention being paid to the coatings or curable coating materials which have been hardened with the aid of actinic radiation.
- a first coating device (A) applies a subsequent coating material (B) and is cured, the first coating (A) being selected and / or modified and / or the coating material (B) being selected such that the quotient (Q) from the surface energy of the second Coating (B) and surface energy of the first coating (A) is less than or equal to 1.
- the quotient Q is calculated by dividing the surface energy of the second coating (B) by the surface energy of the coating (A).
- the process according to the invention enables good wetting of the lower coating (A) by the coating material (B) applied subsequently and subsequent excellent adhesion of the coating (B) to the coating (A).
- the method according to the invention makes the production of a multilayer coating largely independent of the prevailing conditions, in particular as regards temperature and air humidity, and can also be used under extreme conditions.
- Each layer to be subsequently applied adheres well to the previous layer and completely wets it.
- the repairability of the coating is also improved by the new process.
- the repaired area obtained in this way is durable at high and low temperatures, high and low air humidity and under rapidly changing conditions such as those prevailing in the tropical and desert climates, and does not suffer from high radiation intensity and intense mechanical and chemical stress Damage, but results in a permanent refinish high Quality regardless of which layer of the multi-layer coating the coating material is applied to.
- the process according to the invention gives success in overpainting or refinishing, since wettability and subsequent liability are guaranteed.
- the painter is instructed by the teaching according to the invention that he can ensure the success of his painting with regard to wetting and adhesion by setting the quotient Q to a value less than or equal to 1, preferably less than or equal to 0.95 and in particular 0.9.
- the quotient Q can be set by selecting and / or modifying the coating (A) and / or the coating material (B), as is usually done in the case of a first series coating of basecoat and clearcoat.
- the coating (A), in particular the surface of the coating (A), can also be modified to set the quotient Q.
- one or a combination of the following methods can be used for the surface treatment of: low-pressure plasma technology, atmospheric-pressure plasma technology, flame treatment, fluorinating, silicating.
- the dielectric barrier discharge (corona) can also be used for surface treatment.
- the methods mentioned are familiar to the person skilled in the art and can be found in the following quotations (Römpp Lexikon Lacke und Druckmaschine, Georg Thieme Verlag Stuttgart, 1998, page 416 "Surface tension"), plasma treatment (Römpp Lexikon Lacke und Druckmaschine, Georg Thieme Verlag Stuttgart, 1998, Page 455 "Plasma Treatment”, PLASMA-TREAT®, company lettering AGRODYN Hochhardstechnik GmbH), flame treatment (Römpp Lexikon Lacke and Druckmaschine, Georg Thieme Verlag Stuttgart, 1998, page 59 “flame treatment”; type S 4-S 300/2000 flaming machine from Friedrich Schwarzbaumaschinebaugesellschaft mbH, Sprendlingen), fluorinating (Römpp Lexikon Lacke and printing inks, Georg Thieme Verlag Stuttgart, 1998, page 244 "
- the surface energy of the first coating (A) for setting the quotient Q is selected and / or modified such that it is> 30, preferably> 40 and in particular> 50 mJ / m 2 . Then particularly good wetting and subsequent adhesion are also achieved.
- the surface tension is a designation for the interfacial tension of solids and liquids compared to the vapor phase or air. It is defined as force per unit length, has the dimension mN / m and is dimensionally and value-wise equal to the surface work required to either form the surface under reversible conditions and isothermally or to enlarge it. Under certain conditions, the surface tension corresponds to the free energy of the surface per surface. unit (surface energy in mJ / m 2 ).
- the surface energy of solids can be determined, inter alia, by determining the contact angles of liquid drops of known surface tension and polarity and by evaluating the measurements according to Kaelble or Zismann (Römpp Lexikon Lacke und Druckmaschine, Georg Thieme Verlag Stuttgart, 1998, page 416 "Surface tension”; CD Römpp Chemie Lexikon - Version 1.0, Stuttgart / New York: Georg Thieme Verlag 1995 "wetting”). Further processes are from “Lackadditive”, Johan Bieleman, Weinheim, WILEY-VCH 1998, page 133ff. known.
- the process can be carried out using the customary coatings and coating materials known to those skilled in the art.
- examples include alkyd resin paints, dispersion paints, epoxy resin paints, polyurethane paints and acrylic resin paints.
- the coating materials can be used in liquid, paste or powder form. There are also no special requirements for the type of application.
- the coating materials can e.g. B. by spraying, knife coating, brushing, pouring, dipping or rolling.
- the process can be carried out with coatings (A) cured with actinic radiation, although these are particularly strongly crosslinked, non-polar, non-reactive and inert and are therefore difficult to coat without the process according to the invention.
- Electromagnetic radiation and corpuscular radiation come into consideration as actinic radiation.
- the electromagnetic radiation includes near infrared (NIR), visible light, UV radiation, X-rays and gamma radiation, especially UV radiation.
- the corpuscular radiation includes Electron radiation, alpha radiation, proton radiation and neutron radiation, in particular electron radiation.
- Coatings (A) cured with actinic radiation are produced from coating materials (A) curable with actinic radiation, which are known to be radiation-curable low molecular weight, oligomeric and / or polymeric compounds, preferably radiation-curable binders, in particular based on ethylenically unsaturated prepolymers and / or ethylenically unsaturated oligomers, optionally containing one or more reactive diluents and optionally one or more photoinitiators.
- coating materials (A) curable with actinic radiation which are known to be radiation-curable low molecular weight, oligomeric and / or polymeric compounds, preferably radiation-curable binders, in particular based on ethylenically unsaturated prepolymers and / or ethylenically unsaturated oligomers, optionally containing one or more reactive diluents and optionally one or more photoinitiators.
- Suitable radiation-curable binders are (meth) acrylic-functional (meth) acrylic copolymers, polyether acrylates, polyester acrylates, unsaturated polyesters, epoxy acrylates, urethane acrylates, amino acrylates, melamine acrylates, silicone acrylates and the corresponding methacrylates. It is preferred to use binders which are free from aromatic structural units.
- Suitable UV-curable coating materials (A) can be found, for example, in the patents EP-A-0 540 884, EP-A-0 568 967 or US-A-4,675,234. Further examples of suitable coating materials curable with actinic radiation that come into consideration are, for example, from German patent DE 197 09 467 C1, page 4, line 30 to page 6, line 30, or German patent application DE 19947 523 A 1 known.
- the coating material (A) used is also thermally curable, ie dual-cure curable, in addition to curing with actinic radiation, it preferably contains customary and known thermally curing binders and crosslinking agents and / or thermally curing reactive thinners, and also this, for example, in German patent applications DE 198 187 735 A1 and DE 199 20 799 A1 or the European patent application EP 0 928 800 A1 is described.
- thermal curing is understood to mean the heat-initiated curing of a layer of a coating material, in which a crosslinking agent is usually used separately. Usually this is referred to by experts as external crosslinking. Are the crosslinking agents in the binders Already installed, one speaks of self-networking, according to the invention the external networking is advantageous and is therefore used with preference.
- the coating materials used to produce the coatings (A) can also be used as coating materials (B). Otherwise, coating materials curable thermally and / or with actinic radiation can also be used.
- the coating materials (A) are preferably used.
- a known UV-curable lacquer (AI) consisting of:
- Ebecryl® 1290 hexafunctional aliphatic
- Tetraacrylate 8.65% by weight hydroxypropyl acrylate 0.98% by weight of Actilane® 800 (radiation-curing silicone acrylate from Akcros Chemie) 0.14% by weight of Dow Corning® PA 57 (silicone additive from the company
- Genocure ® MBF photoinitiator
- Tinuvin® 123 amino ether HALS from Ciba
- Tinuvin ® 400 UV absorber from Ciba Specialty Chemicals
- a well-known lacquer (All) curable by means of UV radiation and heat consisting of the following components:
- UV absorber substituted hydroxyphenyltriazine
- HALS N-methyl-2,2,6,6-tetramethylpiperidinyiester
- Irgacure ® 184 (commercially available photo initiator from
- Lucirin ® TPO commercially available photoinitiator from BASF AG
- Isocyanatoacrylat Roskydal ® UA VPLS 2337 from Bayer AG (basis: trimeres hexamethylene diisocyanate; content of isocyanate groups: 12% by weight) 27.84
- Isocyanatoacrylate Roskydal ® UA VP FWO 3003-77 from Bayer AG (basis; trimers of isophorone diisocyanate (70.5% in butyl acetate; viscosity: 1,500 mPas; content of isocyanate groups: 6.7% by weight) 6.96
- a monomer mixture of 652 parts by weight of ethylhexyl acrylate, 383 parts by weight of 2-hydroxyethyl methacrylate, 143 parts by weight of styrene, 212 parts by weight of 4-hydroxybutyl acrylate and 21 parts by weight of acrylic acid were added within four hours, and an initiator solution of 113 parts by weight of the aromatic solvent and 113 parts by weight of tert-butyl perethyl Metered evenly into the template for 4.5 hours.
- the metering of the monomer mixture and the initiator solution was started simultaneously. After the initiator feed had ended, the resulting reaction mixture was heated to 140 ° C. with stirring for a further two hours and then cooled.
- the resulting solution of the methacrylate copolymer (A) was diluted with a mixture of 1-methoxypropylacetate-2, butylglycol acetate and butyl acetate. was first at RT 5 min., then 10 min. at 80 ° C and then 20 min. hardened at 140 ° C in an IST inert system at 14 m / s with an output of 1500 mJ / cm 2 . A coating (All) resulted.
- Both coatings (AI) and (All) were a measurement of the contact angle according to the manual of Krüss GmbH, Hamburg, "Drop Shape Analysis” according to the method of Owens, Wendt, Rabel and Kaeble at 23 ° C and 50% relative Humidity with the following measuring fluids: H 2 0 bisbid, 1, 5-pentanediol, diiodomethane, ethylene glycol and glycerol, each with and without exposure to flame, whereby measurements were taken immediately after one day or after four days. The surface energy was calculated from the determined contact angles.
- Table 1 shows the contact angles measured on the coatings (AI) and (All) treated as indicated below. In it is:
- Table 2 shows the surface energies calculated therefrom for the correspondingly treated coatings (AI) and (All).
- the results show an increase in the surface energy of the coatings (AI) and (All), i.e. H. the coating (A) by the flame treatment, regardless of whether it was only a coating material curable with actinic radiation or a thermal and UV radiation.
- the increase is achieved by increasing the polar portion of the surface energy.
- Example 2 Paintability of the coating (AI), production of a multiple coating
- the ability of the coating (AI) to be overcoated with itself was checked by means of a cross-cut test in accordance with DIN ISO 2409: 1994-10.
- the components specified above which form the UV-curable lacquer (AI) are mixed with vigorous stirring using a dissolver or a stirrer in order to produce the corresponding lacquer (AI).
- An applied film with a layer thickness of 40 + 10 ⁇ m was produced from this lacquer (AI) on a suitable test panel.
- the film is first cured at RT for 20 min., Then 1 min. with a hand lamp UV-H 250 from kuhnast radiation technology, Wamba, at a distance of 30 cm and then in an IST inert system with 14 m / s with a power of 4x500 mJ / cm 2 .
- the cured paint I (coating (AI)) (becomes coating B) had a surface energy of 19.4 mJ / m 2 .
- the flame was applied as indicated above. Now the surface energy of the coating (AI) (becomes coating A) was 48.0 mJ / cm 2 .
- the coating (AI) produced above was then covered in each case with a further layer of lacquer (AI) (coating material (B)) with a layer thickness of 40 + 10 ⁇ m.
- the upper layer was cured, as above, first at RT for 20 min., Then 1 min. with a hand lamp UV-H 250 from kuhnast radiation technology, Wambatersbach, at a distance of 30 cm and then in an IST inert system with 14 m / s with an output of 4x500 mJ / m 2 .
- Example 3 Paintability of the coating (All), production of a multiple coating
- the cured paint All (coating (All)) (becomes coating B) had a surface tension of 25.1 mJ / m 2 .
- the flame was applied as described above. Now the surface energy of the coating (All) (becomes coating A) was 51.8 mJ / cm 2 .
- the coating (All) prepared above was then covered with a further layer of lacquer (All) (coating material (B)) with a layer thickness of 40 + 10 ⁇ m.
- the upper layer was cured, as above, first at RT for 5 min., Then 10 min. at 80 ° C and then 20 min. at 140 ° C in an IST inert system with 14 m / s with an output of 1500 mJ / cm 2 .
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10306357 | 2003-02-15 | ||
DE10306357A DE10306357B4 (de) | 2003-02-15 | 2003-02-15 | Verfahren zur Herstellung einer Mehrschichtbeschichtung und dessen Verwendung |
PCT/EP2004/000851 WO2004071678A2 (fr) | 2003-02-15 | 2004-01-30 | Procede de realisation d'un revetement multicouche |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1594629A2 true EP1594629A2 (fr) | 2005-11-16 |
EP1594629B1 EP1594629B1 (fr) | 2009-07-08 |
Family
ID=32797432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04706659A Expired - Lifetime EP1594629B1 (fr) | 2003-02-15 | 2004-01-30 | Utilsation d'un procédé pour élaborer un revêtement multicouche pour faire et/ou réparer une peinture de voiture (en série) |
Country Status (5)
Country | Link |
---|---|
US (1) | US7399503B2 (fr) |
EP (1) | EP1594629B1 (fr) |
AT (1) | ATE435708T1 (fr) |
DE (2) | DE10306357B4 (fr) |
WO (1) | WO2004071678A2 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005013975A1 (de) | 2005-03-26 | 2006-09-28 | Krauss-Maffei Kunststofftechnik Gmbh | Vorrichtung und Verfahren zur Herstellung von optischen Datenträgern sowie optische Datenträger |
DE102006021410B4 (de) * | 2006-05-09 | 2009-07-16 | Leonhard Kurz Gmbh & Co. Kg | Verfahren zur Herstellung eines Mehrschichtgebildes und Verwendung des Verfahrens |
DE102009022238A1 (de) * | 2009-05-20 | 2010-11-25 | Kraussmaffei Technologies Gmbh | Verfahren zur Herstellung von Kunststoff-Formteilen mit einer integrierten Leiterbahn |
EP2666544B1 (fr) * | 2012-05-24 | 2017-11-01 | Vito NV | Procédé pour le dépôt et la caractérisation d'un revêtement |
WO2020181064A1 (fr) * | 2019-03-06 | 2020-09-10 | Axalta Coating Systems Ip Co., Llc | Mouillage de surface contrôlé menant à une meilleure acuité de bord et résolution d'impression numérique |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1218042A (en) | 1968-01-30 | 1971-01-06 | St Annes Board Mill Co Ltd | Laminate |
JPS60186538A (ja) * | 1984-03-07 | 1985-09-24 | Dai Ichi Kogyo Seiyaku Co Ltd | ポリオレフイン用プライマ− |
US5154978A (en) * | 1989-03-22 | 1992-10-13 | Tdk Corporation | Highly corrosion-resistant rare-earth-iron magnets |
US4980196A (en) * | 1990-02-14 | 1990-12-25 | E. I. Du Pont De Nemours And Company | Method of coating steel substrate using low temperature plasma processes and priming |
US6083628A (en) * | 1994-11-04 | 2000-07-04 | Sigma Laboratories Of Arizona, Inc. | Hybrid polymer film |
DE10107613A1 (de) * | 2001-02-17 | 2002-09-05 | Kluthe Gmbh Chem Werke | Flüssigfolien als Transportschutz für lackierte Kraftfahrzeuge |
DE10108723A1 (de) * | 2001-02-23 | 2002-09-12 | Messer Griesheim Gmbh | Verfahren zur Behandlung von Kunststoffoberflächen |
DE10242177A1 (de) | 2002-09-10 | 2004-03-18 | Volkswagen Ag | Verfahren zur Beschichtung der Oberfläche eines Substrats |
DE10245726A1 (de) | 2002-10-01 | 2004-04-15 | Bayer Ag | Verfahren zur Herstellung eines Kratzfest-Schichtsystems |
-
2003
- 2003-02-15 DE DE10306357A patent/DE10306357B4/de not_active Withdrawn - After Issue
-
2004
- 2004-01-30 US US10/545,389 patent/US7399503B2/en not_active Expired - Fee Related
- 2004-01-30 AT AT04706659T patent/ATE435708T1/de not_active IP Right Cessation
- 2004-01-30 DE DE502004009716T patent/DE502004009716D1/de not_active Expired - Lifetime
- 2004-01-30 EP EP04706659A patent/EP1594629B1/fr not_active Expired - Lifetime
- 2004-01-30 WO PCT/EP2004/000851 patent/WO2004071678A2/fr active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2004071678A3 * |
Also Published As
Publication number | Publication date |
---|---|
US7399503B2 (en) | 2008-07-15 |
ATE435708T1 (de) | 2009-07-15 |
US20060083860A1 (en) | 2006-04-20 |
DE10306357B4 (de) | 2006-01-12 |
WO2004071678A2 (fr) | 2004-08-26 |
DE10306357A1 (de) | 2004-09-02 |
WO2004071678A3 (fr) | 2005-04-07 |
EP1594629B1 (fr) | 2009-07-08 |
DE502004009716D1 (de) | 2009-08-20 |
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