EP1291463A1 - Process for producing a selectively metallized foil, and their products - Google Patents
Process for producing a selectively metallized foil, and their products Download PDFInfo
- Publication number
- EP1291463A1 EP1291463A1 EP02019580A EP02019580A EP1291463A1 EP 1291463 A1 EP1291463 A1 EP 1291463A1 EP 02019580 A EP02019580 A EP 02019580A EP 02019580 A EP02019580 A EP 02019580A EP 1291463 A1 EP1291463 A1 EP 1291463A1
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- EP
- European Patent Office
- Prior art keywords
- layer
- carrier substrate
- paint
- film
- carrier
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0027—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or layers by lamination or by fusion of the coatings or layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/355—Security threads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/43—Marking by removal of material
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06Q—DECORATING TEXTILES
- D06Q1/00—Decorating textiles
- D06Q1/04—Decorating textiles by metallising
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
- D21H21/42—Ribbons or strips
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- B42D2033/10—
Definitions
- the invention relates to a selectively metallized film, in particular for Use as a security element, especially in value documents, as well a method for producing the selectively metallized film.
- EP-A 0 330 733 are security elements, in particular Security threads consisting of a translucent plastic film, a extending over the entire security element extending opaque Coating, the recesses in the form of the coding to be introduced, especially in the form of characters and patterns known. At least in the areas defined by the recesses can be congruent coloring and / or luminescent substances may be present, through which the coding of the opaque coating under appropriate The influence of light differs in a contrasting color.
- security elements for use as security elements for value documents, in particular banknotes, identity documents and the like, it is necessary that these security elements, for example in thread or tape form as inconspicuous as possible in the carrier, in particular paper or the like, can be integrated. Therefore, it is necessary to strive for the smallest possible thickness of the security elements. Furthermore, however, at the same time a great precision in the dimensions of the recesses to be produced is necessary to ensure sufficient security against counterfeiting, since irregularities in the dimensions of the recesses forming a coding make it difficult to clearly establish the authenticity or any imitation. Furthermore, it is sometimes also desirable to register corresponding coatings and codings on both sides of the carrier substrate of the security element in order to ensure a mutual identification of the authenticity.
- the object of the invention is therefore to metallized films and a method to To provide their preparation, the disadvantages described above avoids and in particular due to the small thickness and at the same time high precision are particularly suitable as security elements in Value documents to be integrated.
- the task of Invention a metallized film and a method for their preparation to provide, the film is almost independent of the substrate structured layers of different metals, metal compounds, Alloys or insulators on one or both sides of the carrier substrate optionally, wherein the structured layers accurate registration should be produced.
- the invention therefore provides a selectively metallized film by providing a carrier substrate, applying one in one Solvent-soluble partial paint application with recesses in the form of a (negative) coding, treating the printed carrier film by means of a Inline plasma, corona or flame process, applying a thin Covering layer of metals, metal compounds, alloys and / or Insulators and detachment of the paint by the action of a Solvent optionally combined with a mechanical action.
- Another object is a method for producing a selectively metallized film, characterized in that on a carrier substrate in a first step, a paint application which is soluble in a solvent is applied to one or both sides of the carrier substrate in a second step, this layer is treated by means of an in-line plasma, corona or flame process, and in a third step, a layer of a material to be structured is applied, which layer may consist of metals, metal compounds, alloys or insulators, whereupon, in a fourth step, the paint application is removed by means of a solvent, optionally combined with a mechanical action.
- carrier foils are preferably flexible plastic foils, for example, from Pl, PP, MOPP, PE, PPS, PEEK, PEK, PEI, PSU, PAEK, LCP, PEN, PBT, PET, PA, PC, COC, POM, ABS, PVC in question.
- the carrier films preferably have a thickness of 5 to 700 .mu.m, preferably 8 to 200 .mu.m, more preferably 12 to 50 .mu.m.
- metal foils for example Al, Cu, Sn, Ni, Fe or stainless steel foils having a thickness of 5-200 ⁇ m, preferably 10 to 80 ⁇ m, particularly preferably 20-50 ⁇ m, may also serve as the carrier substrate.
- the films can also be surface-treated, coated or laminated, for example, with plastics or painted.
- carrier substrates also paper or composites with paper, for example, composites with plastics with a grammage 20-500 g / m 2, preferably 40-200 g / m 2. be used.
- nonwovens such as continuous fiber webs, staple fiber webs and the like, which may optionally be needled or calendered, can be used as carrier substrates.
- nonwovens consist of plastics, such as PP, PET, PA, PPS and the like, but it is also possible to use nonwovens of natural, optionally treated fibers, such as viscose fiber webs.
- the nonwovens used have a basis weight of about 20 g / m 2 to 500 g / m 2 .
- the carrier substrates may additionally comprise a lacquer layer which unstructured or structured, for example can be embossed Die Paint layer, for example, an adhesive paint layer or a be releasable transfer lacquer layer, it can by radiation, For example, UV radiation, thermally or reactively crosslinked or crosslinkable and additional properties such as e.g. Scratch-resistant and / or antistatic Have equipment or chemical resistance.
- Suitable are both aqueous and solvent-containing coating systems, in particular also Lacquer systems based on PE - acrylate, PET acrylate, urethane acrylate, PVC, PMMA or epoxy acrylate.
- the carrier substrate can on one or both sides with a hot or Be provided cold seal adhesive or a self-adhesive coating.
- the surface of the carrier substrate may be structured or unstructured, or for example, be embossed with micro or macrolines, that is on the Surface may optionally have two- or three-dimensional structures to be available.
- the application of the paint can be done by any method, for example by gravure printing, flexographic printing, screen printing, digital printing and the like.
- the color or lacquer used is soluble in a solvent, preferably water, but it is also possible to use a dye soluble in any solvent, for example in alcohol, esters and the like.
- the color or the colored lacquer can be customary compositions based on natural or artificial macromolecules.
- the soluble color may be pigmented or unpigmented.
- pigments all known pigments can be used. Particularly suitable are TiO 2 , ZnS, kaolin and the like.
- the printed carrier substrate is treated by means of an in-line plasma (low pressure or atmospheric plasma), corona or flame process.
- High-energy plasma for example Ar or Ar / O 2 plasma, cleans the surface of toning residues of the printing inks. The necessary sharp delimitation of the contours of the recesses, which is necessary for the necessary precision of the coding is achieved.
- the surface is activated. In this case, terminal polar groups are generated on the surface. This improves the adhesion of metals and the like to the surface.
- a thin metal or metal oxide layer can be applied as adhesion promoter, for example by sputtering or vapor deposition.
- adhesion promoter particularly suitable are Cr, Al, Ag, Ti, Cu, TiO 2 , Si oxides or chromium oxides.
- This adhesion promoter layer generally has a thickness of 0.1 nm to 5 nm, preferably 0.2 nm to 2 nm, particularly preferably 0.2 to 1 nm.
- This layer consists of a metal, a metal compound, an alloy or an insulator.
- the metal layer layers of Al, Cu, Fe, Ag, Au, Cr, Ni, Zn and the like are suitable.
- suitable metal compounds are oxides or sulfides of metals, in particular TiO 2 , Cr oxides, ZnS, ITO, ATO, FTO, ZnO, Al 2 O 3 or silicon oxides.
- Suitable alloys are, for example, Cu-Al alloys, Cu-Zn alloys and the like.
- the radiation-curing can be, for example, by heat or UV radiation, suitable.
- This functional layer can be prepared by known methods, for example by sputtering, sputtering, printing (gravure, flexo, screen, digital printing and the like), spraying, electroplating and the like.
- the Thickness of the functional layer is 0.001 to 50 ⁇ m, preferably 0.1 to 20 ⁇ m.
- the ink layer by a suitable solvent, the on the composition of the color layer is matched, removed.
- the paint is water-soluble.
- the replacement by mechanical action are supported.
- the thickness of this layer is about 0.01 - 5 microns.
- the desired end product is obtained.
- the carrier film can be applied.
- the layers applied one on top of the other can be used have different properties. It is possible by Combination of different properties of the individual layers, For example, layers with different conductivity, magnetizability, optical properties, absorption behavior and the like structures for Example of security features with several precise authentication features manufacture.
- adhesion promoter can be advantageous.
- the thus produced coated film also by a protective lacquer layer are protected or, for example, by laminating or the like further refined.
- the metallized films according to the invention are in particular as Security elements, in particular in value documents and data carriers, For example, banknotes, securities, identity documents, cards and used or as security elements or security labels in packaging, textiles, seals and the like.
- the films according to the invention are also suitable for producing Embedding in banknotes and the like suitable.
- the product can be applied with a sealable adhesive, such as a hot or cold seal adhesive to the appropriate substrate, or embedded in paper for security papers by conventional methods, for example.
- sealants can be equipped with visible or visible in the UV light, fluorescent, phosphorescent or laser and IR radiation absorbing features to increase the security against counterfeiting.
- These features may also be present in the form of patterns or characters or show color effects, in principle any number of colors, preferably 1 to 10 colors or color mixtures, are possible.
- the carrier substrate may be used after one-sided coating after application be removed or left on the product.
- the carrier film optionally specially equipped on the uncoated side be scratch resistant, antistatic and the like. The same applies to a possible lacquer layer on the carrier substrate.
- a water-soluble ink layer based on a thickness of 3 microns is applied by gravure, with recesses are provided in the form of letters.
- the printed film is subjected to a low-pressure plasma process with Ar plasma and simultaneously applied a layer of Cr as a primer with a thickness of 0.3 nm. Then it is steamed with Al.
- the layer thickness of the vapor-deposited layer is 0.2 ⁇ m.
- the film is washed with water and thus the paint application is removed with the adhesion promoter on the paint application and the metal layer located in this area.
- the finished product has a selective Al coating with a coding in the form of letters.
- a water-soluble ink based on 9 wt% TiO 2 pigments with recesses in the form of defined lines is applied.
- the printed film is subjected to a corona process and at the same time a layer of silicon dioxide is applied as a primer with a thickness of 0.3 nm.
- the thus treated film is vapor-deposited with Cu, wherein the thickness of the layer is 0.5 microns.
- the film is washed with water and thus the paint application is removed with the adhesion promoter on the paint application and the metal layer located in this area.
- the film now has a selective metallic coating in the form of defined lines.
- a film prepared according to Example 1 is subjected to a plasma treatment with Ar / O 2 plasma and then printed over the entire surface of a functional layer of a urethane coating system by gravure printing. Subsequently, the thus treated film is provided with a paint with an alcohol-soluble ink with 10% ZnS as a pigment, wherein partially with the recesses of the first inking overlapping recesses are provided in the form of a pattern. Subsequently, the film is again subjected to a plasma treatment with Ar / O 2 plasma and simultaneously applied a 0.2 nm thick layer of chromium (III) oxide as a primer. Subsequently, a layer of Al is sprayed with a layer thickness of 0.2 microns. Subsequently, a washing process is carried out with alcohol, which in turn the paint application is replaced with the layers thereon.
- Example 2 It is produced a film analogous to Example 1, although all there described process steps on both sides of the carrier film passer- and be carried out in register.
- the film thus produced is subsequently with a protective lacquer layer with a fluorescent color in UV light Mistake.
Abstract
Description
Die Erfindung betrifft eine selektiv metallisierte Folie, insbesondere zur Verwendung als Sicherheitselement, insbesondere in Wertdokumenten, sowie ein Verfahren zur Herstellung der selektiv metallisierten Folie.The invention relates to a selectively metallized film, in particular for Use as a security element, especially in value documents, as well a method for producing the selectively metallized film.
Aus der EP - A 0 330 733 sind Sicherheitselemente, insbesondere Sicherheitsfäden bestehend aus einer lichtdurchlässigen Kunststofffolie, einer sich über das gesamte Sicherheitselement erstreckenden opaken Beschichtung, die Aussparungen in Form der einzubringenden Kodierung, insbesondere in Form von Zeichen und Mustern aufweist, bekannt. Zumindest in den durch die Aussparungen definierten Bereichen können deckungsgleich farbgebende und/oder lumineszierende Substanzen vorhanden sein, durch die sich die Codierung von der opaken Beschichtung unter entsprechendem Lichteinfluss in farblich kontrastierender Form unterscheidet.From EP-A 0 330 733 are security elements, in particular Security threads consisting of a translucent plastic film, a extending over the entire security element extending opaque Coating, the recesses in the form of the coding to be introduced, especially in the form of characters and patterns known. At least in the areas defined by the recesses can be congruent coloring and / or luminescent substances may be present, through which the coding of the opaque coating under appropriate The influence of light differs in a contrasting color.
Aus der WO 99/13157 sind Sicherheitsfolien für Wertpapiere bekannt, bei denen auf einer transluzenten Folie eine metallische Beschichtung aufgebracht wird, die in der fertigen Folie nicht vollflächig ist, sondern Aussparungen aufweist, die im Durchlicht klar erkennbar sein sollen. Die Herstellung dieser Folien erfolgt dadurch, dass eine Trägerfolie mit einer hochpigmentierten Druckfarbe bedruckt wird, wobei der Farbauftrag nicht vollflächig erfolgt, die Druckfarbe unter Bildung eines porigen Farbauftrags getrocknet wird, anschließend eine metallische Deckschicht aufgebracht wird und in einem weiteren Schritt die hochpigmentierte Druckfarbe durch Auswaschen mit einem Lösungsmittel, gegebenenfalls auch unter mechanischer Einwirkung entfernt wird. Damit wird auch in jenen Bereichen, in denen die Druckfarbe entfernt wird, die metallische Abdeckschicht mitentfernt, wodurch die im Durchlicht erkennbaren Aussparungen gebildet werden. Die metallische Abdeckschicht weist eine Dicke von 0,01 bis 1 µm auf. From WO 99/13157 security films for securities are known, in which applied to a translucent film, a metallic coating which is not the entire surface in the finished film, but recesses has, which should be clearly visible in transmitted light. The production of this Films take place in that a carrier film with a highly pigmented Printing ink is printed, whereby the paint does not take place over the entire surface, the Printing ink is dried to form a porous paint, then a metallic cover layer is applied and in a further step the highly pigmented ink by washing with a Solvent, optionally removed under mechanical action becomes. Thus, even in those areas where the ink is removed, the metallic cover layer mitzufernt, whereby the transmitted light recognizable recesses are formed. The metallic cover layer has a thickness of 0.01 to 1 .mu.m.
Für die Anwendung als Sicherheitselemente für Wertdokumente, insbesondere
Banknoten, Ausweisdokumente und dergleichen ist es erforderlich, dass diese
Sicherheitselemente, beispielsweise in Faden oder Bandform möglichst
unauffällig in den Träger, im speziellen Papier oder ähnlichem, integriert werden
können. Daher ist es erforderlich eine möglichst geringe Dicke der
Sicherheitselemente anzustreben. Ferner ist jedoch gleichzeitig auch eine
große Präzision in den Abmessungen der zu erzeugenden Aussparungen nötig
um eine ausreichende Fälschungssicherheit zu gewährleisten, da
Unregelmäßigkeiten in den Dimensionen der Aussparungen, die eine
Codierung bilden, eine eindeutige Feststellung der Echtheit oder einer etwaigen
Nachahmung erschweren.
Ferner ist es manchmal auch wünschenswert, entsprechende Beschichtungen
und Codierungen auf beiden Seiten des Trägersubstrats des
Sicherheitselements passergenau aufzubringen, um eine beiderseitige
Identifizierung der Echtheit zu gewährleisten.For use as security elements for value documents, in particular banknotes, identity documents and the like, it is necessary that these security elements, for example in thread or tape form as inconspicuous as possible in the carrier, in particular paper or the like, can be integrated. Therefore, it is necessary to strive for the smallest possible thickness of the security elements. Furthermore, however, at the same time a great precision in the dimensions of the recesses to be produced is necessary to ensure sufficient security against counterfeiting, since irregularities in the dimensions of the recesses forming a coding make it difficult to clearly establish the authenticity or any imitation.
Furthermore, it is sometimes also desirable to register corresponding coatings and codings on both sides of the carrier substrate of the security element in order to ensure a mutual identification of the authenticity.
Dies ist mit den Verfahren des Standes der Technik jedoch nicht ausreichend möglich, da entweder die Dicke das Sicherheitselements für die gewünschte Anwendung zu groß ist, andererseits bei geringerer Dicke eine ausreichende Präzision nicht gewährleistet werden kann.However, this is not sufficient with the methods of the prior art possible because either the thickness is the security element for the desired Application is too large, on the other hand at a smaller thickness sufficient Precision can not be guaranteed.
Aufgabe der Erfindung ist es daher, metallisierte Folien und ein Verfahren zu deren Herstellung bereitzustellen, die die oben beschriebenen Nachteile vermeidet und insbesondere aufgrund der geringen Dicke und gleichzeitig hohen Präzision besonders geeignet sind als Sicherheitselemente in Wertdokumente integriert zu werden. Insbesondere ist es Aufgabe der Erfindung eine metallisierte Folie und ein Verfahren zu deren Herstellung bereitzustellen, wobei die Folie nahezu unabhängig vom Trägermaterial strukturierte Schichten aus verschiedenen Metallen, Metallverbindungen, Legierungen oder Isolatoren auf einer oder beiden Seiten des Trägersubstrats aufweist, wobei die strukturierten Schichten gegebenenfalls passergenau herstellbar sein sollen. The object of the invention is therefore to metallized films and a method to To provide their preparation, the disadvantages described above avoids and in particular due to the small thickness and at the same time high precision are particularly suitable as security elements in Value documents to be integrated. In particular, it is the task of Invention a metallized film and a method for their preparation to provide, the film is almost independent of the substrate structured layers of different metals, metal compounds, Alloys or insulators on one or both sides of the carrier substrate optionally, wherein the structured layers accurate registration should be produced.
Gegenstand der Erfindung ist daher eine selektiv metallisierte Folie hergestellt durch Bereitstellen eines Trägersubstrats, Aufbringen eines in einem Lösungsmittel löslichen partiellen Farbauftrags mit Aussparungen in Form einer (negativen) Codierung, Behandeln der bedruckten Trägerfolie mittels eines Inline-Plasma-, Corona- oder Flamm-Prozesses, Aufbringen einer dünnen Deckschicht aus Metallen, Metallverbindungen, Legierungen und/oder Isolatoren und Ablösen des Farbauftrags durch Einwirkung eines Lösungsmittels gegebenenfalls kombiniert mit einer mechanischen Einwirkung.The invention therefore provides a selectively metallized film by providing a carrier substrate, applying one in one Solvent-soluble partial paint application with recesses in the form of a (negative) coding, treating the printed carrier film by means of a Inline plasma, corona or flame process, applying a thin Covering layer of metals, metal compounds, alloys and / or Insulators and detachment of the paint by the action of a Solvent optionally combined with a mechanical action.
Ein weiterer Gegenstand ist ein Verfahren zur Herstellung einer selektiv
metallisierten Folie, dadurch gekennzeichnet, dass auf ein Trägersubstrat
in einem ersten Schritt auf einer oder beiden Seiten des Trägersubstrats ein in
einem Lösungsmittel löslicher Farbauftrag aufgebracht wird
in einem zweiten Schritt diese Schicht mittels eines Inline-Plasma-, Coronaoder
Flammprozesses behandelt wird und
in einem dritten Schritt eine Schicht eines zu strukturierenden Materials
aufgebracht wird, wobei diese Schicht aus Metallen, Metallverbindungen,
Legierungen oder Isolatoren bestehen kann,
worauf in einem vierten Schritt der Farbauftrag mittels eines Lösungsmittels,
gegebenenfalls kombiniert mit einer mechanischen Einwirkung entfernt wird.Another object is a method for producing a selectively metallized film, characterized in that on a carrier substrate
in a first step, a paint application which is soluble in a solvent is applied to one or both sides of the carrier substrate
in a second step, this layer is treated by means of an in-line plasma, corona or flame process, and
in a third step, a layer of a material to be structured is applied, which layer may consist of metals, metal compounds, alloys or insulators,
whereupon, in a fourth step, the paint application is removed by means of a solvent, optionally combined with a mechanical action.
Durch mehrfache Anwendung dieses Verfahrens und passergenauen Druck sowohl im Längs- als auch im Seitenregister können funktionelle Multilayer-Folien aufgebaut werden. Im Prinzip sind damit beliebig viele Schichten realisierbar. Insbesondere können auch zwischen den einzelnen Schichten partielle oder vollflächige Lack- und/oder Folienschichten aufgebracht werden.By multiple use of this method and accurate register pressure both in the longitudinal and in the side register functional multilayer films being constructed. In principle, this means any number of layers realizable. In particular, also between the individual layers partial or full-surface lacquer and / or film layers are applied.
Unter Codierung werden im folgenden Zeichen, Muster, Bilder, Linien und dergleichen verstanden. Under coding are in the following signs, patterns, pictures, lines and understood the same.
Als Trägersubstrat kommen beispielsweise Trägerfolien vorzugsweise flexible
Kunststofffolien, beispielsweise aus Pl, PP, MOPP, PE, PPS, PEEK, PEK, PEI,
PSU, PAEK, LCP, PEN, PBT, PET, PA, PC, COC, POM, ABS, PVC in Frage.
Die Trägerfolien weisen vorzugsweise eine Dicke von 5 - 700 µm, bevorzugt 8 ―
200 µm, besonders bevorzugt 12 ― 50 µm auf.
Ferner können als Trägersubstrat auch Metallfolien, beispielsweise Al-, Cu-,
Sn-, Ni-, Fe- oder Edelstahlfolien mit einer Dicke von 5 ― 200 µm,
vorzugsweise 10 bis 80 µm, besonders bevorzugt 20 ― 50 µm dienen. Die
Folien können auch oberflächenbehandelt, beschichtet oder kaschiert
beispielsweise mit Kunststoffen oder lackiert sein.
Ferner können als Trägersubstrate auch Papier oder Verbunde mit Papier,
beispielsweise Verbunde mit Kunststoffen mit einem Flächengewicht von 20 ―
500 g/m2, vorzugsweise 40 ― 200 g/m2. verwendet werden.
Ferner können als Trägersubstrate Vliese, wie Endlosfaservliese,
Stapelfaservliese und dergleichen, die gegebenenfalls vernadelt oder
kalandriert sein können, verwendet werden. Vorzugsweise bestehen solche
Vliese aus Kunststoffen, wie PP, PET, PA, PPS und dergleichen, es können
aber auch Vliese aus natürlichen, gegebenenfalls behandelten Fasern, wie
Viskosefaservliese eingesetzt werden. Die eingesetzten Vliese weisen ein
Flächengewicht von etwa 20 g/m2 bis 500 g/m2 auf.For example, carrier foils are preferably flexible plastic foils, for example, from Pl, PP, MOPP, PE, PPS, PEEK, PEK, PEI, PSU, PAEK, LCP, PEN, PBT, PET, PA, PC, COC, POM, ABS, PVC in question. The carrier films preferably have a thickness of 5 to 700 .mu.m, preferably 8 to 200 .mu.m, more preferably 12 to 50 .mu.m.
Furthermore, metal foils, for example Al, Cu, Sn, Ni, Fe or stainless steel foils having a thickness of 5-200 μm, preferably 10 to 80 μm, particularly preferably 20-50 μm, may also serve as the carrier substrate. The films can also be surface-treated, coated or laminated, for example, with plastics or painted.
Further, as carrier substrates also paper or composites with paper, for example, composites with plastics with a grammage 20-500 g / m 2, preferably 40-200 g / m 2. be used.
Furthermore, nonwovens, such as continuous fiber webs, staple fiber webs and the like, which may optionally be needled or calendered, can be used as carrier substrates. Preferably such nonwovens consist of plastics, such as PP, PET, PA, PPS and the like, but it is also possible to use nonwovens of natural, optionally treated fibers, such as viscose fiber webs. The nonwovens used have a basis weight of about 20 g / m 2 to 500 g / m 2 .
Die Trägersubstrate können zusätzlich eine Lackschicht aufweisen, die unstrukturiert oder strukturiert, beispielsweise geprägt sein kann Die Lackschicht kann beispielsweise eine haftende Lackschicht oder eine releasefähige Transferlackschicht sein, sie kann durch Strahlung, beispielsweise UV-Strahlung, thermisch oder reaktiv vernetzt oder vernetzbar sein und zusätzliche Eigenschaften wie z.B. kratzfeste und/oder antistatische Ausrüstung oder chemische Beständigkeit besitzen. Geeignet sind sowohl wässrige als auch lösungsmittelhältige Lacksysteme, insbesondere auch Lacksysteme auf Basis PE ― Acrylat, PET-Acrylat, Urethan-Acrylat, PVC, PMMA oder Epoxyacrylat. The carrier substrates may additionally comprise a lacquer layer which unstructured or structured, for example can be embossed Die Paint layer, for example, an adhesive paint layer or a be releasable transfer lacquer layer, it can by radiation, For example, UV radiation, thermally or reactively crosslinked or crosslinkable and additional properties such as e.g. Scratch-resistant and / or antistatic Have equipment or chemical resistance. Suitable are both aqueous and solvent-containing coating systems, in particular also Lacquer systems based on PE - acrylate, PET acrylate, urethane acrylate, PVC, PMMA or epoxy acrylate.
Das Trägersubstrat kann ein- oder beidseitig mit einem Heiß- oder Kaltsiegelkleber oder einer Selbstklebebeschichtung versehen sein.The carrier substrate can on one or both sides with a hot or Be provided cold seal adhesive or a self-adhesive coating.
In Anbetracht der gewünschten Eigenschaften des Endprodukts zur Verwendung als möglichst dünne Sicherheitselemente sind Kunststofffolien und Metallfolien besonders bevorzugt, für Sicherheitsmerkmale in Textilien sind aber auch Vliese gut geeignet.In view of the desired properties of the final product for Use as thin as possible security elements are plastic films and Metal foils are particularly preferred for security features in textiles but also suitable for nonwovens.
Die Oberfläche des Trägersubstrats kann strukturiert oder unstrukturiert sein, oder beispielsweise mit Mikro- oder Makrolinien geprägt sein, das heißt auf der Oberfläche können gegebenenfalls zwei- oder dreidimensionale Strukturen vorhanden sein.The surface of the carrier substrate may be structured or unstructured, or for example, be embossed with micro or macrolines, that is on the Surface may optionally have two- or three-dimensional structures to be available.
Die Aufbringung des Farbauftrags kann durch ein beliebiges Verfahren, beispielsweise durch Tiefdruck, Flexodruck, Siebdruck, Digitaldruck und dergleichen erfolgen. Die verwendete Farbe bzw. der verwendete Farblack ist in einem Lösungsmittel, vorzugsweise in Wasser löslich, es kann jedoch auch eine in jedem beliebigen Lösungsmittel, beispielsweise in Alkohol, Estern und dergleichen lösliche Farbe verwendet werden. Die Farbe bzw. der Farblack können übliche Zusammensetzungen auf Basis von natürlichen oder künstlichen Makromolekülen sein. Die lösliche Farbe kann pigmentiert oder nicht pigmentiert sein. Als Pigmente können alle bekannten Pigmente verwendet werden. Besonders geeignet sind TiO2, ZnS, Kaolin und dergleichen.The application of the paint can be done by any method, for example by gravure printing, flexographic printing, screen printing, digital printing and the like. The color or lacquer used is soluble in a solvent, preferably water, but it is also possible to use a dye soluble in any solvent, for example in alcohol, esters and the like. The color or the colored lacquer can be customary compositions based on natural or artificial macromolecules. The soluble color may be pigmented or unpigmented. As pigments, all known pigments can be used. Particularly suitable are TiO 2 , ZnS, kaolin and the like.
Anschließend wird das bedruckte Trägersubstrat mittels eines Inline-Plasma-(Niederdruck- oder Atmosphärenplasma-), Corona- oder Flammprozesses behandelt. Durch energiereiches Plasma, beispielsweise Ar- oder Ar/O2-Plasma wird die Oberfläche von Tonungsresten der Druckfarben gereinigt. Dabei wird die notwendige scharfe Abgrenzung der Konturen der Aussparungen, die für die notwenige Präzision der Codierung notwendig ist, erreicht. Gleichzeitig wird die Oberfläche aktiviert. Dabei werden endständige polare Gruppen an der Oberfläche erzeugt. Dadurch wird die Haftung von Metallen und dergleichen an der Oberfläche verbessert.Subsequently, the printed carrier substrate is treated by means of an in-line plasma (low pressure or atmospheric plasma), corona or flame process. High-energy plasma, for example Ar or Ar / O 2 plasma, cleans the surface of toning residues of the printing inks. The necessary sharp delimitation of the contours of the recesses, which is necessary for the necessary precision of the coding is achieved. At the same time, the surface is activated. In this case, terminal polar groups are generated on the surface. This improves the adhesion of metals and the like to the surface.
Gegebenenfalls kann gleichzeitig mit der Anwendung der Plasma- bzw. Corona- oder Flammbehandlung eine dünne Metall- oder Metalloxidschicht als Haftvermittler, beispielsweise durch Sputtern oder Aufdampfen aufgebracht werden. Besonders geeignet sind dabei Cr, Al, Ag, Ti, Cu, TiO2, Si-Oxide oder Chromoxide. Diese Haftvermittlerschicht weist im allgemeinen eine Dicke von 0,1 nm ― 5nm, vorzugsweise 0,2 nm ― 2nm, besonders bevorzugt 0,2 bis 1 nm auf.Optionally, simultaneously with the application of the plasma or corona or flame treatment, a thin metal or metal oxide layer can be applied as adhesion promoter, for example by sputtering or vapor deposition. Particularly suitable are Cr, Al, Ag, Ti, Cu, TiO 2 , Si oxides or chromium oxides. This adhesion promoter layer generally has a thickness of 0.1 nm to 5 nm, preferably 0.2 nm to 2 nm, particularly preferably 0.2 to 1 nm.
Dadurch wird die Haftung der partiell oder vollflächig aufgebrachten strukturierten funktionellen Schicht weiter verbessert. Das ist Voraussetzung für die Erzeugung von funktionellen Schichten mit hoher Präzision und guter Haftung.As a result, the liability of the partially or fully applied structured functional layer further improved. That's a requirement for the production of functional layers with high precision and good Liability.
Anschließend wird die eigentliche funktionelle Schicht aufgebracht. Diese Schicht besteht aus einem Metall, einer Metallverbindung, einer Legierung oder einem Isolator. Als Metallschicht sind Schichten aus Al, Cu, Fe, Ag, Au, Cr, Ni, Zn und dergleichen geeignet. Als Metallverbindungen sind beispielsweise Oxide oder Sulfide von Metallen, insbesondere TiO2, Cr-Oxide, ZnS, ITO, ATO, FTO, ZnO, Al2O3 oder Siliciumoxide geeignet. Geeignete Legierungen sind beispielsweise Cu-AI Legierungen, Cu-Zn Legierungen und dergleichen. Als Isolatoren sind beispielsweise organische Substanzen und deren Derivate und Verbindungen, beispielsweise Farb- und Lacksysteme, z.B. Epoxy-, Polyester-, Kolophonium-, Acrylat-, Alkyd-, Melamin-, PVA-, PVC-, Isocyanat-, Urethansysteme, die strahlungshärtend sein können, beispielsweise durch Wärme- oder UV-Strahlung, geeignet.Subsequently, the actual functional layer is applied. This layer consists of a metal, a metal compound, an alloy or an insulator. As the metal layer, layers of Al, Cu, Fe, Ag, Au, Cr, Ni, Zn and the like are suitable. Examples of suitable metal compounds are oxides or sulfides of metals, in particular TiO 2 , Cr oxides, ZnS, ITO, ATO, FTO, ZnO, Al 2 O 3 or silicon oxides. Suitable alloys are, for example, Cu-Al alloys, Cu-Zn alloys and the like. As insulators, for example, organic substances and their derivatives and compounds, such as paint and lacquer systems, such as epoxy, polyester, rosin, acrylate, alkyd, melamine, PVA, PVC, isocyanate, urethane, the radiation-curing can be, for example, by heat or UV radiation, suitable.
Diese funktionelle Schicht kann durch bekannte Verfahren, beispielsweise durch Bedampfen, Sputtern, Drucken (Tief-, Flexo-, Sieb-, Digitaldruck und dergleichen) , Sprühen, Galvanisieren und dergleichen aufgebracht werden. Die Dicke der funktionellen Schicht beträgt 0,001 bis 50 µm, vorzugsweise 0,1 bis 20 µm.This functional layer can be prepared by known methods, for example by sputtering, sputtering, printing (gravure, flexo, screen, digital printing and the like), spraying, electroplating and the like. The Thickness of the functional layer is 0.001 to 50 μm, preferably 0.1 to 20 μm.
Anschließend wird die Farbschicht durch ein geeignetes Lösungsmittel, das auf die Zusammensetzung der Farbschicht abgestimmt ist, entfernt. Bevorzugt ist der Farbauftrag wasserlöslich. Gegebenenfalls kann die Ablösung durch mechanische Einwirkung unterstützt werden.Subsequently, the ink layer by a suitable solvent, the on the composition of the color layer is matched, removed. Is preferred the paint is water-soluble. Optionally, the replacement by mechanical action are supported.
Um das Anlösen der abgedeckten Farbschicht weiter zu verbessern kann auch vollflächig oder passergenau eine dünne pigmentierte Farbschicht oder eine reine Pigmentschicht aufgebracht werden, wobei die Dicke dieser Schicht etwa 0,01 ― 5 µm beträgt.Also, to further improve the dissolution of the covered ink layer full-surface or precise registration a thin pigmented layer of paint or a pure pigment layer are applied, the thickness of this layer is about 0.01 - 5 microns.
Durch das Ablösen des Farbauftrags mit den über dem Farbauftrag befindlichen Bereichen der funktionellen Schicht, wird das gewünschte Endprodukt erhalten.By removing the paint application with those above the paint job Regions of the functional layer, the desired end product is obtained.
Gemäß dem erfindungsgemäßen Verfahren kann die funktionelle Schicht bzw. bei mehrfacher Anwendung des beschriebenen Verfahrens die jeweiligen funktionellen Schichten vollflächig oder partiell auf das Trägersubstrat, insbesondere die Trägerfolie aufgebracht werden.According to the method of the invention, the functional layer or in multiple application of the method described the respective functional layers over the entire surface or partially onto the carrier substrate, In particular, the carrier film can be applied.
Bei Multilayer-Aufbauten können die übereinander aufgebrachten Schichten unterschiedliche Eigenschaften aufweisen. Es ist dabei möglich durch Kombination von verschiedenen Eigenschaften der einzelnen Schichten, beispielsweise Schichten mit unterschiedlicher Leitfähigkeit, Magnetisierbarkeit, optischen Eigenschaften, Absorptionsverhalten und dergleichen Aufbauten zum Beispiel für Sicherheitselemente mit mehreren präzisen Echtheitsmerkmalen herzustellen.In multilayer constructions, the layers applied one on top of the other can be used have different properties. It is possible by Combination of different properties of the individual layers, For example, layers with different conductivity, magnetizability, optical properties, absorption behavior and the like structures for Example of security features with several precise authentication features manufacture.
Dabei können die Verfahrensschritte beliebig oft wiederholt werden, wobei beispielsweise bei vollflächiger Aufbringung einer funktionellen Schicht der Farbauftrag gegebenenfalls entfallen kann, die Inline-Plasma-, Corona- bzw. The process steps can be repeated as often as desired, wherein For example, in full-surface application of a functional layer of Color order may be omitted, the inline plasma, corona or
Flammbehandlung gegebenenfalls mit gleichzeitigem Aufbringen eines Haftvermittlers jedoch vorteilhaft sein kann.Flame treatment optionally with simultaneous application of a However, adhesion promoter can be advantageous.
Gegebenenfalls kann die so hergestellte beschichtete Folie auch noch durch eine Schutzlackschicht geschützt werden oder beispielsweise durch Kaschieren oder dergleichen weiterveredelt werden..Optionally, the thus produced coated film also by a protective lacquer layer are protected or, for example, by laminating or the like further refined.
Die erfindungsgemäßen metallisierten Folien werden insbesondere als Sicherheitselemente, insbesondere in Wertdokumenten und Datenträgern, beispielsweise Banknoten, Wertpapieren, Ausweisdokumenten, Karten und dergleichen verwendet oder als Sicherheitselemente oder Sicherheitsetiketten in Verpackungen, Textilien, Siegeln und dergleichen.The metallized films according to the invention are in particular as Security elements, in particular in value documents and data carriers, For example, banknotes, securities, identity documents, cards and used or as security elements or security labels in packaging, textiles, seals and the like.
Durch die ausgezeichnete Präzision der Codierung und die Möglichkeit nach dem erfindungsgemäßen Verfahren auch mehrschichtige, sehr dünne Folien herzustellen, sind die erfindungsgemäßen Folien insbesondere auch zur Einbettung in Banknoten und dergleichen geeignet.Due to the excellent precision of the coding and the possibility of following the inventive method also multilayer, very thin films In particular, the films according to the invention are also suitable for producing Embedding in banknotes and the like suitable.
Gegebenenfalls kann das Produkt mit einem siegelfähigen Kleber,
beispielsweise einem Heiß- oder Kaltsiegelkleber auf das entsprechende
Trägermaterial appliziert werden, oder beispielsweise bei der Papierherstellung
für Sicherheitspapiere durch übliche Verfahren in das Papier eingebettet
werden.
Diese Siegelkleber können mit sichtbaren oder im UV Licht sichtbaren,
fluoreszierenden, phosphoreszierenden oder Laser- und IR-Strahlung
absorbierenden Merkmalen zur Erhöhung der Fälschungssicherheit
ausgestattet sein. Diese Merkmale können auch in Form von Mustern oder
Zeichen vorhanden sein oder farbliche Effekte zeigen, wobei im Prinzip beliebig
viele Farben, vorzugsweise 1 bis 10 Farben oder Farbmischungen, möglich
sind. Optionally, the product can be applied with a sealable adhesive, such as a hot or cold seal adhesive to the appropriate substrate, or embedded in paper for security papers by conventional methods, for example.
These sealants can be equipped with visible or visible in the UV light, fluorescent, phosphorescent or laser and IR radiation absorbing features to increase the security against counterfeiting. These features may also be present in the form of patterns or characters or show color effects, in principle any number of colors, preferably 1 to 10 colors or color mixtures, are possible.
Das Trägersubstrat kann bei einseitiger Beschichtung nach der Anwendung entfernt werden oder am Produkt verbleiben. Dabei kann die Trägerfolie gegebenenfalls auf der nicht beschichteten Seite besonders ausgerüstet werden, beispielsweise kratzfest, antistatisch und dergleichen. Gleiches gilt für eine etwaige Lackschicht auf dem Trägersubstrat.The carrier substrate may be used after one-sided coating after application be removed or left on the product. In this case, the carrier film optionally specially equipped on the uncoated side be scratch resistant, antistatic and the like. The same applies to a possible lacquer layer on the carrier substrate.
In den Figuren sind bevorzugte erfindungsgemäße selektiv metallisierte Folien
dargestellt.
In den Figuren bedeuten 1 das Trägersubstrat, 2 den Farbauftrag, 3 die
Haftvermittlerschicht 4 die erste funktionelle Schicht, 3a die zweite
Haftvermittlerschicht, 4a die zweite funktionelle Schicht, 3b die dritte
Haftvermittlerschicht und 4b die dritte funktionelle Schicht.
Die funktionellen Schichten können wie oben beschrieben unterschiedliche
Eigenschaften aufweisen.
In the figures, 1 denotes the carrier substrate, 2 the paint application, 3 the
The functional layers may have different properties as described above.
Auf eine Trägerfolie aus PET mit einer Dicke von 12 µm wird mittels Tiefdruck
eine wasserlösliche Farbschicht auf Basis von Stärke 3 µm aufgebracht, wobei
Aussparungen in Form von Buchstaben vorgesehen werden.
Anschließend wird die bedruckte Folie einem Niederdruck-Plasmaprozess mit
Ar-Plasma unterworfen und gleichzeitig eine Schicht Cr als Haftvermittler mit
einer Dicke von 0,3 nm aufgebracht.
Anschließend wird mit Al bedampft. Die Schichtdicke der aufgedampften
Schicht beträgt 0,2 µm.
Nach dem Prozess wird die Folie mit Wasser gewaschen und damit der
Farbauftrag mit dem auf dem Farbauftrag befindlichen Haftvermittler und der in
diesem Bereich befindlichen Metallschicht entfernt.
Das fertige Produkt weist eine selektive Al-Beschichtung mit einer Codierung in
Form von Buchstaben auf.On a carrier film of PET with a thickness of 12 microns, a water-soluble ink layer based on a thickness of 3 microns is applied by gravure, with recesses are provided in the form of letters.
Subsequently, the printed film is subjected to a low-pressure plasma process with Ar plasma and simultaneously applied a layer of Cr as a primer with a thickness of 0.3 nm.
Then it is steamed with Al. The layer thickness of the vapor-deposited layer is 0.2 μm.
After the process, the film is washed with water and thus the paint application is removed with the adhesion promoter on the paint application and the metal layer located in this area.
The finished product has a selective Al coating with a coding in the form of letters.
Auf eine Aluminiumfolie wird eine wasserlösliche Farbe auf Basis von mit 9
Gew% TiO2 Pigmenten mit Aussparungen in Form von definierten Linien
aufgebracht. Anschließend wird die bedruckte Folie einem Coronaprozess
unterworfen und gleichzeitig eine Schicht Siliziumdioxid als Haftvermittler mit
einer Dicke von 0,3 nm aufgebracht.
Anschließend wird die so behandelte Folie mit Cu bedampft, wobei die Dicke
der Schicht 0,5 µm beträgt.
Nach dem Prozess wird die Folie mit Wasser gewaschen und damit der
Farbauftrag mit dem auf dem Farbauftrag befindlichen Haftvermittler und der in
diesem Bereich befindlichen Metallschicht entfernt. Die Folie weist nun eine
selektive metallische Beschichtung in Form von definierten Linien auf. On an aluminum foil, a water-soluble ink based on 9 wt% TiO 2 pigments with recesses in the form of defined lines is applied. Subsequently, the printed film is subjected to a corona process and at the same time a layer of silicon dioxide is applied as a primer with a thickness of 0.3 nm.
Subsequently, the thus treated film is vapor-deposited with Cu, wherein the thickness of the layer is 0.5 microns.
After the process, the film is washed with water and thus the paint application is removed with the adhesion promoter on the paint application and the metal layer located in this area. The film now has a selective metallic coating in the form of defined lines.
Eine gemäß Beispiel 1 hergestellte Folie wird einer Plasma-Behandlung mit
Ar/O2 Plasma unterworfen und anschließend vollflächig eine funktionelle
Schicht aus einem Urethan-Lacksystem im Tiefdruckverfahren aufgedruckt.
Anschließend wird die so behandelte Folie mit einem Farbauftrag mit einer in
Alkohol löslichen Farbe mit 10 % ZnS als Pigment versehen, wobei sich
teilweise mit den Aussparungen des ersten Farbauftrags überlappende
Aussparungen in Form eines Musters vorgesehen sind. Anschließend wird die
Folie erneut einer Plasma-Behandlung mit Ar/O2 Plasma unterworfen und
gleichzeitig eine 0,2 nm dicke Schicht von Chrom(III)oxid als Haftvermittler
aufgebracht. Anschließend wird eine Schicht von Al mit einer Schichtdicke von
0,2 µm aufgesprüht. Anschließend wird einem Waschprozess mit Alkohol
durchgeführt, wobei wiederum der Farbauftrag mit den darauf befindlichen
Schichten abgelöst wird.A film prepared according to Example 1 is subjected to a plasma treatment with Ar / O 2 plasma and then printed over the entire surface of a functional layer of a urethane coating system by gravure printing.
Subsequently, the thus treated film is provided with a paint with an alcohol-soluble ink with 10% ZnS as a pigment, wherein partially with the recesses of the first inking overlapping recesses are provided in the form of a pattern. Subsequently, the film is again subjected to a plasma treatment with Ar / O 2 plasma and simultaneously applied a 0.2 nm thick layer of chromium (III) oxide as a primer. Subsequently, a layer of Al is sprayed with a layer thickness of 0.2 microns. Subsequently, a washing process is carried out with alcohol, which in turn the paint application is replaced with the layers thereon.
Es wird das eine Folie analog Beispiel 1 hergestellt, wobei allerdings alle dort beschriebenen Verfahrensschritte beidseitig der Trägerfolie passer- und registergenau durchgeführt werden. Die so hergestellte Folie wird anschließend mit einer Schutzlackschicht mit einer im UV-Licht fluoreszierenden Farbe versehen.It is produced a film analogous to Example 1, although all there described process steps on both sides of the carrier film passer- and be carried out in register. The film thus produced is subsequently with a protective lacquer layer with a fluorescent color in UV light Mistake.
Claims (17)
in einem ersten Schritt auf einer oder beiden Seiten des Trägersubstrats ein in einem Lösungsmittel löslicher Farbauftrag aufgebracht wird
in einem zweiten Schritt diese Schicht mittels eines Inline-Plasma-, Corona- oder Flammprozesses behandelt wird und
in einem dritten Schritt eine funktionelle Schicht eines zu strukturierenden Materials aufgebracht wird, wobei diese Schicht aus Metallen, Metallverbindungen, Legierungen oder Isolatoren bestehen kann,
worauf in einem vierten Schritt der Farbauftrag mittels eines Lösungsmittels, gegebenenfalls kombiniert mit einer mechanischen Einwirkung entfernt wird.A process for producing a selectively metallized film, characterized in that on a carrier substrate
in a first step, a paint application which is soluble in a solvent is applied to one or both sides of the carrier substrate
in a second step, this layer is treated by means of an in-line plasma, corona or flame process, and
in a third step, a functional layer of a material to be structured is applied, which layer may consist of metals, metal compounds, alloys or insulators,
whereupon, in a fourth step, the paint application is removed by means of a solvent, optionally combined with a mechanical action.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE10143523 | 2001-09-05 | ||
DE10143523A DE10143523B4 (en) | 2001-09-05 | 2001-09-05 | Process for the preparation of a selectively metallised film |
Publications (2)
Publication Number | Publication Date |
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EP1291463A1 true EP1291463A1 (en) | 2003-03-12 |
EP1291463B1 EP1291463B1 (en) | 2014-12-10 |
Family
ID=7697813
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02019580.6A Expired - Lifetime EP1291463B1 (en) | 2001-09-05 | 2002-09-02 | Process for producing a selectively metallized foil, and their products |
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EP (1) | EP1291463B1 (en) |
DE (1) | DE10143523B4 (en) |
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US4354911A (en) * | 1981-08-07 | 1982-10-19 | Western Electric Company Inc. | Method of selectively depositing a metal on a surface by means of sputtering |
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EP1516957A1 (en) * | 2003-09-17 | 2005-03-23 | Hueck Folien Ges.m.b.H | Security element with colored indicia |
EP1516956A1 (en) * | 2003-09-17 | 2005-03-23 | Hueck Folien Ges.m.b.H | Security elements with negative colored indicia |
WO2005043965A2 (en) * | 2003-10-29 | 2005-05-12 | Steiner Gmbh & Co. Kg | Method for production of a transponder |
DE10350648A1 (en) * | 2003-10-29 | 2005-06-16 | Steiner Gmbh & Co. Kg | transponder |
WO2005043965A3 (en) * | 2003-10-29 | 2005-06-30 | Steiner Gmbh & Co Kg | Method for production of a transponder |
WO2005082201A1 (en) * | 2004-03-01 | 2005-09-09 | Schreiner Group Gmbh & Co. Kg | Sample carrier, preferably for a cosmetic product |
US7767591B2 (en) * | 2005-04-22 | 2010-08-03 | Steiner Gmbh & Co. Kg | Method and device for producing electronic components |
EP1746208A1 (en) | 2005-07-19 | 2007-01-24 | Hueck Folien GmbH & Co. KG | Process for preparing a partially metallized substrate. |
EP1972462B2 (en) † | 2007-01-05 | 2019-09-18 | Giesecke+Devrient Currency Technology GmbH | Method for producing security foils, and security foils |
CN101581061B (en) * | 2008-05-13 | 2010-11-03 | 上海纳尔实业有限公司 | Fabricating method of air vent vehicle body paste |
EP2135987A1 (en) * | 2008-06-20 | 2009-12-23 | Commissariat à l'Energie Atomique (Etablissement Public) | Process for the deposition of sensors on a porous substrate |
FR2932823A1 (en) * | 2008-06-20 | 2009-12-25 | Commissariat Energie Atomique | METHOD FOR DEPOSITING SENSORS ON A POROUS SUPPORT |
US8257792B2 (en) | 2008-06-20 | 2012-09-04 | Commissariat A L'energie Atomique | Process for depositing sensors on a porous support |
EP2154084A1 (en) | 2008-08-14 | 2010-02-17 | Hueck Folien Ges.m.b.H. | Film, intended for the construction of a tubular bag and method for producing the film |
EP2177645A1 (en) | 2008-09-29 | 2010-04-21 | Hueck Folien Ges.m.b.H. | Method for structuring inorganic or organic layers |
WO2010041226A1 (en) * | 2008-10-10 | 2010-04-15 | Arjowiggins Security | Method for making a security document |
FR2937058A1 (en) * | 2008-10-10 | 2010-04-16 | Arjowiggins | METHOD FOR MANUFACTURING A SAFETY DOCUMENT |
EP2251207A1 (en) * | 2009-05-11 | 2010-11-17 | HUECK Folien Ges.m.b.H. | Safety marker and method for its manufacture |
WO2010130301A1 (en) * | 2009-05-11 | 2010-11-18 | Hueck Folien Ges.M.B.H. | Safety feature and method for the production thereof |
EP2420391A2 (en) | 2010-07-19 | 2012-02-22 | Hueck Folien Ges.m.b.H. | Security element with an optically variable layer |
WO2012153114A1 (en) * | 2011-05-06 | 2012-11-15 | D W Spinks (Embossing) Limited | Windowed security device |
WO2014013410A1 (en) | 2012-07-16 | 2014-01-23 | Arjowiggins Security | Security structure |
US10583682B2 (en) | 2012-07-16 | 2020-03-10 | Oberthur Fiduciaire Sas | Security structure |
EP2851194A1 (en) | 2013-09-20 | 2015-03-25 | Hueck Folien Ges.m.b.H | Safety element, in particular safety label |
WO2015039711A1 (en) | 2013-09-20 | 2015-03-26 | Hueck Folien Ges.M.B.H. | Security element, particularly a security label |
GB2527764A (en) * | 2014-06-30 | 2016-01-06 | Innovia Films Ltd | Process |
GB2527763A (en) * | 2014-06-30 | 2016-01-06 | Innovia Films Ltd | Process |
GB2527764B (en) * | 2014-06-30 | 2017-02-22 | Innovia Films Ltd | Process for producing a security film |
GB2527763B (en) * | 2014-06-30 | 2017-10-04 | Innovia Films Ltd | A process for producing a security film |
DE102020207090A1 (en) | 2020-06-05 | 2021-12-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | Method for producing a structured object on a flexible substrate by electrohydrodynamic printing |
Also Published As
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DE10143523A1 (en) | 2003-03-27 |
DE10143523B4 (en) | 2008-08-21 |
EP1291463B1 (en) | 2014-12-10 |
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