EP1395438B1 - Value document and method for the production thereof - Google Patents

Value document and method for the production thereof Download PDF

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Publication number
EP1395438B1
EP1395438B1 EP02724312A EP02724312A EP1395438B1 EP 1395438 B1 EP1395438 B1 EP 1395438B1 EP 02724312 A EP02724312 A EP 02724312A EP 02724312 A EP02724312 A EP 02724312A EP 1395438 B1 EP1395438 B1 EP 1395438B1
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EP
European Patent Office
Prior art keywords
paper
protective layer
lacquer
value
security element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP02724312A
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German (de)
French (fr)
Other versions
EP1395438A1 (en
EP1395438B2 (en
Inventor
Klaus Habik
Jörg Langer
Max Voit
Mario Keller
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Giesecke and Devrient GmbH
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Giesecke and Devrient GmbH
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Application filed by Giesecke and Devrient GmbH filed Critical Giesecke and Devrient GmbH
Publication of EP1395438A1 publication Critical patent/EP1395438A1/en
Application granted granted Critical
Publication of EP1395438B1 publication Critical patent/EP1395438B1/en
Publication of EP1395438B2 publication Critical patent/EP1395438B2/en
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Classifications

    • 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
    • B41M7/02—Dusting, e.g. with an anti-offset powder for obtaining raised printing such as by thermogravure ; Varnishing
    • 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
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • B42D2033/04—
    • B42D2033/18—
    • B42D2033/30—
    • B42D2033/32—

Definitions

  • the invention relates to security papers and securities, in particular Banknotes that have a security element and a dirt-repellent Protective layer are provided, and a method for production of the securities.
  • Value and security printing such as banknotes, but also stocks, Bonds, certificates and vouchers, checks, high-quality tickets;
  • Identification documents and passports increase their counterfeit security provided with elaborate print images, including at least for individual image parts sophisticated and not accessible to everyone printing processes, such as intaglio printing. additionally Securities are equipped with so-called security elements, which are difficult to imitate and also for the layman a review the authenticity of the security.
  • Such security elements can be, for example, window security threads that are partially at the Surface of the security are visible, slide applications, the one have transparent or metallised embossed hologram, blind embossing, printing technology or printing and embossing technology produced so-called "Latent Images", different from different angles Reproduce information, imprints, the optically variable pigments included and varying from different viewing angles Colors appear or imprints of metallic effect colors that are shine for example in gold, silver or bronze tone metallic.
  • the security elements depending on the embodiment already in the starting material, for example paper, the security on or applied or between or after further processing steps of the security be generated.
  • EP 0 256 170 B2 proposes printed banknotes to provide a protective layer, the cellulose esters and micronized Contains wax and is applied over the entire surface of the bills.
  • the object of the invention is a long-lasting security and a method to suggest for its production, the trouble-free processing the securities and their verification by means of optical sensors while ensuring that the security features are visually good are perceptible.
  • This will be a still unprinted or an already printed Security on at least one side provided with a protective layer, through a matt varnish or a thin plastic film with matt Surface is formed, this protective layer in the area of a security element interrupted, i. is omitted. Because of that most of the surface is covered with a protective layer is the security due to the anti-abrasion properties of the Paint layer or the film protected while the formation of the surface the protective layer of matt lacquer or as a frosted foil due to the microroughness secure processing and processing of the securities. It is also possible to apply a matt lacquer on the outside of the page a thin cover sheet of plastic paint and this slide on to hide the security.
  • the matt protective layer is against interrupted.
  • a matt lacquer or foil coating on the visual perception a security element can have avoided.
  • Many security elements such as metallized embossed holograms, referred to as Foil application can be applied to a security, or resistant Polymer layers embedded pigments of crosslinked liquid crystals, already have a protective and dirt-repellent finish Surface.
  • An additional matte protective layer would be their visual Reduce the effect and reduce its brilliance without protection substantially improve such security elements.
  • a protective layer which consists of a gloss varnish.
  • Security elements not from are made of shiny or whose gloss is to be strengthened, thereby visually upgraded and visually highlighted. This facilitates also for the inexperienced user finding the security elements in the security.
  • a surface is usually perceived as shiny, if it has structural inhomogeneities, its dimensions are on the order of the wavelength of light or less.
  • the security element is not already has a protective outer layer, as is usually the case with film applications
  • the life of the security element is given extended by the applied over gloss varnish layer.
  • Feature substances An improvement in the verifiability of the securities is also obtained, if the intended for partial painting gloss varnish with so-called Feature substances is added.
  • Feature substances due to special physical properties like magnetism, wavelength-selective absorption, luminescence or electrical conductivity clearly verifiable and verifiable.
  • Feature substances preferred by the security user without major equipment expenditure verifiable and yet not or only with enormous effort to fake.
  • be special mentioned fluorescent or phosphorescent substances for example can only be excited in narrow wavelength ranges.
  • the security according to the invention is preferably made of paper, something like this called “security paper", as is common in banknote printing, and which has a special feel and sound.
  • the security can with be printed on any characters, with which any symbols, print images and Pattern should be detected.
  • the Applying the present invention to paper substrates using the intaglio printing process were printed.
  • the invention is not limited to paper substrates, but in principle can also be applied to plastic and composite materials which are increasingly being used in securities printing.
  • Composite materials are for example multilayer substrates, the layers made of plastic and paper.
  • Another variant consists of nonwoven layers containing both pulp or cotton fibers as well Plastic fibers included.
  • the protective function of the protective lacquer layer or protective film relates in particular on their ability to repel dirt and increase moisture resistance and abrasion resistance.
  • the protective layer is on both sides, i. on the front and the back of the security.
  • a matt paint of type 57 0600/50 MHM can be used become.
  • subsections of the security surface with a shiny Protective varnish layer are provided, is suitable as a gloss varnish for example a paint of the type 57 0199/50 MHM.
  • preferably transparent and colorless paints used, which is the coloring of the security preferably transparent and colorless paints used, which is the coloring of the security.
  • the flexographic printing and screen printing processes are preferably used. Flexographic printing is a particularly fast and economical printing process that enables the transfer of sufficient quantities of paint. The use of a chambered doctor blade ensures a safe and trouble-free production process.
  • the flexographic printing process preferably transfers about 2 to 8 g of liquid paint per m 2 of substrate surface. To apply particularly large amounts of paint in the range of about 5 to 15 g / m 2 , the screen printing method is preferably used.
  • the coating of the securities takes place particularly economically, if they not on a single security but on a security sheet that is, a larger number of, for example, 24 to 60 individual ones Includes securities.
  • the protective coating order but also take place on a continuous substrate web, which is unwound from a roll becomes.
  • the lamination of a protective film is usually also done in a continuous process in which the security and the Protective film are removed from a roll.
  • the protective film can be in sheet-like Strips are laminated, which have no holes. Two neighbors Foil strips are laminated with a distance to each other, whereby the area for the security element is left out.
  • aqueous dispersion lacquers are preferably used, which is not only relatively inexpensive, but also from the point of view of Work safety and environmental protection uncritical and with low Effort to handle and process. Dispersion coatings are suitable especially for the production of matt surfaces.
  • Radiation-curing coating systems for example, under the influence of crosslinking ultraviolet (UV) radiation, however, are preferably used, when large dry film thicknesses are desired. Radiation curing Paints are also advantageous if achieved a particularly high gloss shall be.
  • the successive lacquering of the surface portions with a Matt or gloss varnish is preferably accurate registration, the at the Matt varnish recessed surface exactly printed with a gloss varnish becomes. Is a register accurate version for production reasons not possible, is working overlapping, preferably one Overlap zone is not greater than about 2 mm.
  • the matte and glossy areas of the protective layer are in the inventive Security visually due to their different gloss clearly distinguishable.
  • Crucial are not the absolute Gloss values that have the individual areas, but their relative Difference.
  • measure with a reflectometer at an angle of 60 ° according to DIN 67530, or ISO 2813, ASTM D523 and BS 3900 Part D5 are the measured gloss units (GE) for matte Ranges preferably between about 5 and 10 GE and for glossy areas preferably between approx. 15 and 35 GE.
  • the difference is duller and shinier Areas is preferably more than 10 GE to visually distinguish them well to be able to.
  • the securities of the invention are also in the machine Testing by means of optical sensors trouble-free testable, as a clear overwhelming proportion of the security surface with a matte varnish or a matte protective film coated and thus free of reflection. Since the recessed and optionally coated with a gloss varnish portion of the security only a small fraction of its total surface area optical sensors can be used in automated securities testing be aligned without problems so that their detection area the in the matt finish or by the matt protective film recessed part not recorded.
  • a Document as a security element as mentioned above an imprint a metallic effect paint on.
  • the environment of this security element is called Matt lacquer lacquered with a water-based flexo or screen printing lacquer and applied to the security element as a gloss varnish an oil pressure varnish.
  • Matt lacquer lacquered with a water-based flexo or screen printing lacquer and applied to the security element as a gloss varnish an oil pressure varnish.
  • the oil pressure varnish Apply to the security element and then the water-based Matt varnish over the entire surface, that is also above the security element Anlagenlackieren.
  • the previously applied oil pressure varnish prevents the water-based paint is adopted in the area of the security element.
  • the area of the security on which a security element is applied Should be, additionally pretreated to optimal execution and / or to achieve optical effect of the security element.
  • the pretreatment For example, it may be that a suitable underground is applied.
  • the security element have one Fine line printing with line widths in the order of about 50 microns, one obtains a higher resolution especially on rough substrate surfaces and sharper contours, for example, when the ground an additional partial imprint is smoothed.
  • an imprint can be the pretreatment of the underground for the security element also by a partial surface line of a paper web with suitable Coating done.
  • plastically deformable coating For example, from polymers, the fine structures are not only better and more brilliantly rendered, but also permanently stabilized.

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Printing Methods (AREA)
  • Credit Cards Or The Like (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Paper (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention relates to a value document, especially a banknote and a method for the production thereof. The value document comprises a security element and a protective layer with a mat surface which is recessed in the region of the security element. If necessary, said recessed area is provided with a protective lacquered layer made of brilliant varnish.

Description

Die Erfindung betrifft Sicherheitspapiere und Wertpapiere, insbesondere Banknoten, die ein Sicherheitselement aufweisen und mit einer schmutzabweisenden Schutzschicht versehen sind, sowie ein Verfahren zur Herstellung der Wertpapiere.The invention relates to security papers and securities, in particular Banknotes that have a security element and a dirt-repellent Protective layer are provided, and a method for production of the securities.

Wert- und Sicherheitsdrucke, wie beispielsweise Banknoten, aber auch Aktien, Anleihen, Urkunden und Gutscheine, Schecks, hoch wertige Eintrittskarten; Ausweisdokumente und Pässe werden zur Erhöhung ihrer Fälschungssicherheit mit aufwändigen Druckbildern versehen, wozu zumindest für einzelne Bildteile anspruchsvolle und nicht jedermann zugängliche Druckverfahren, wie beispielsweise der Stichtiefdruck eingesetzt werden. Zusätzlich werden Wertpapiere mit so genannten Sicherheitselementen ausgestattet, die schwierig nachzuahmen sind und auch für den Laien eine Überprüfung der Echtheit des Wertpapiers ermöglichen. Solche Sicherheitselemente können beispielsweise Fenstersicherheitsfäden sein, die bereichsweise an der Oberfläche des Wertpapiers sichtbar sind, Folienapplikationen, die ein transparentes oder metallisiertes Prägehologramm aufweisen, Blindprägungen, drucktechnisch oder druck- und prägetechnisch hergestellte so genannte "Latent Images", die unter unterschiedlichen Betrachtungswinkeln verschiedene Informationen wiedergeben, Aufdrucke, die optisch variable Pigmente enthalten und unter unterschiedlichen Betrachtungswinkeln in variierenden Farben erscheinen oder Aufdrucke aus Metalleffektfarben sein, die beispielsweise im Gold-, Silber- oder Bronzeton metallisch glänzen. Die Sicherheitselemente können je nach Ausführungsform bereits in das Ausgangsmaterial, zum Beispiel Papier, des Wertpapiers ein- oder aufgebracht oder zwischen oder nach weiteren Bearbeitungsschritten des Wertpapiers erzeugt werden. Value and security printing, such as banknotes, but also stocks, Bonds, certificates and vouchers, checks, high-quality tickets; Identification documents and passports increase their counterfeit security provided with elaborate print images, including at least for individual image parts sophisticated and not accessible to everyone printing processes, such as intaglio printing. additionally Securities are equipped with so-called security elements, which are difficult to imitate and also for the layman a review the authenticity of the security. Such security elements can be, for example, window security threads that are partially at the Surface of the security are visible, slide applications, the one have transparent or metallised embossed hologram, blind embossing, printing technology or printing and embossing technology produced so-called "Latent Images", different from different angles Reproduce information, imprints, the optically variable pigments included and varying from different viewing angles Colors appear or imprints of metallic effect colors that are shine for example in gold, silver or bronze tone metallic. The security elements depending on the embodiment already in the starting material, for example paper, the security on or applied or between or after further processing steps of the security be generated.

Es ist bekannt, Wertpapiere zur Verlängerung ihrer Lebensdauer und Umlauffähigkeit mit schmutzabweisenden Schutzschichten zu versehen. In der EP 0 256 170 B2 wird beispielsweise vorgeschlagen, bedruckte Geldscheine mit einer Schutzschicht zu versehen, die Zelluloseester und mikronisiertes Wachs enthält und vollflächig auf die Geldscheine aufgebracht wird.It is well known securities to extend their life and fitness for circulation provided with dirt-repellent protective layers. In the For example, EP 0 256 170 B2 proposes printed banknotes to provide a protective layer, the cellulose esters and micronized Contains wax and is applied over the entire surface of the bills.

Gängige Schutzlackschichten haben häufig den Nachteil, dass ihre Oberfläche sehr glatt und glänzend ist, was sowohl bei der Herstellung und Verarbeitung der Wertpapiere Probleme bereitet, als auch bei der maschinellen Überprüfung der Wertpapiere mittels optischer Sensoren. Außerdem wird das visuelle Erscheinungsbild von Sicherheitselementen durch übliche Schutzlackschichten häufig negativ beeinflusst.Common protective lacquer coatings often have the disadvantage that their surface is very smooth and shiny, resulting in both the manufacture and processing the securities causes problems, as well as in the machine Verification of the securities by means of optical sensors. In addition, will the visual appearance of security elements by usual Protective lacquer coatings often negatively affected.

Aufgabe der Erfindung ist es, ein lang lebiges Wertpapier und ein Verfahren zu dessen Herstellung vorzuschlagen, das eine störungsfreie Verarbeitung der Wertpapiere und ihre Überprüfung mittels optischer Sensoren ermöglicht und gleichzeitig gewährleistet, dass die Sicherheitselemente visuell gut wahrnehmbar sind.The object of the invention is a long-lasting security and a method to suggest for its production, the trouble-free processing the securities and their verification by means of optical sensors while ensuring that the security features are visually good are perceptible.

Erfindungsgemäß wird die Aufgabe durch die Merkmale der unabhängigen Ansprüche gelöst. Dabei wird ein noch unbedrucktes oder ein bereits bedrucktes Wertpapier auf mindestens einer Seite mit einer Schutzschicht ausgestattet, die durch einen Mattlack oder eine dünne Kunststofffolie mit matter Oberfläche gebildet wird, wobei diese Schutzschicht im Bereich eines Sicherheitselements unterbrochen, d.h. ausgespart ist. Dadurch, dass der überwiegende Teil der Oberfläche mit einer Schutzschicht überzogen ist, ist das Wertpapier durch die verschrnutzungsabweisenden Eigenschaften der Lackschicht oder der Folie geschützt, während die Ausbildung der Oberfläche der Schutzschicht aus Mattlack oder als mattierte Folie aufgrund der Mikrorauigkeit eine sichere Be- und Verarbeitung der Wertpapiere ermöglicht. Es ist auch möglich einen Mattlack auf die außen zu liegen kommende Seite einer dünnen Deckfolie aus Kunststoff aufzulackieren und diese Folie auf das Wertpapier zu kaschieren.According to the invention the object is achieved by the features of the independent Claims solved. This will be a still unprinted or an already printed Security on at least one side provided with a protective layer, through a matt varnish or a thin plastic film with matt Surface is formed, this protective layer in the area of a security element interrupted, i. is omitted. Because of that most of the surface is covered with a protective layer is the security due to the anti-abrasion properties of the Paint layer or the film protected while the formation of the surface the protective layer of matt lacquer or as a frosted foil due to the microroughness secure processing and processing of the securities. It is also possible to apply a matt lacquer on the outside of the page a thin cover sheet of plastic paint and this slide on to hide the security.

Während Wertpapiere mit glatter Schutzlackierung oder glatten Schutzfolien dazu neigen, beim Ablegen, Stapeln und Greifen leicht zu verrutschen, haben matte Schutzschichten den Vorteil einer besseren Griffigkeit und sind daher leichter und sicherer zu handhaben. Außerdem haben Schutzlackierungen in Mattlack den Vorteil, dass die vom Anwender und Nutzer gewohnte Wahrnehmung der Wertpapiere mit dem Tastsinn erhalten bleibt, während sehr glatte Beschichtungen nicht nur den haptischen, sondern durch ein glänzendes oder gar "speckiges" Erscheinungsbild auch den gewohnten optischen Eindruck eines Wertpapiers negativ beeinflussen. Eine matte Schutzschicht erzeugt außerdem deutlich geringere Reflexionen als übliche glänzende Schutzschichten und ermöglicht dadurch eine störungsfreie maschinelle Überprüfung der Wertpapiere, bei der üblicherweise optische Sensoren eingesetzt werden.While securities with smooth protective coating or smooth protective films tend to slip when laying, stacking and gripping have Matt protective layers have the advantage of better grip and are therefore easier and safer to handle. In addition, have protective coatings in matt paint the advantage that the user and user usual Perception of the securities with the sense of touch, while very smooth coatings not only the haptic, but by a shiny or even "greasy" appearance even the usual affect the visual impression of a security. A matt protective layer also produces much lower reflections than usual glossy protective layers and thereby allows a trouble-free automated verification of securities, usually optical Sensors are used.

Im Bereich eines Sicherheitselements wird die matte Schutzschicht dagegen unterbrochen. Dadurch werden negative und optisch dämpfende Eigenschaften, die eine Mattlack- oder Folienbeschichtung auf die visuelle Wahrnehmung eines Sicherheitselementes haben kann, vermieden. Viele Sicherheitselemente, wie beispielsweise metallisierte Prägehologramme, die als Folienapplikation auf ein Wertpapier aufgebracht werden, oder in widerstandsfähige Polymerschichten eingebettete Pigmente aus vernetzten Flüssigkristallen, besitzen von sich aus bereits eine schützende und schmutzabweisende Oberfläche. Eine zusätzliche matte Schutzschicht würde deren visuelle Wirkung abschwächen und ihre Brillanz verringern, ohne den Schutz solcher Sicherheitselemente wesentlich zu verbessern.In the area of a security element, the matt protective layer is against interrupted. As a result, negative and optically damping properties, a matt lacquer or foil coating on the visual perception a security element can have avoided. Many security elements, such as metallized embossed holograms, referred to as Foil application can be applied to a security, or resistant Polymer layers embedded pigments of crosslinked liquid crystals, already have a protective and dirt-repellent finish Surface. An additional matte protective layer would be their visual Reduce the effect and reduce its brilliance without protection substantially improve such security elements.

Soll dagegen die Aufmerksamkeit des Nutzers eines Wertpapiers gezielt auf ein Sicherheitselement hingelenkt werden, ist es vorteilhaft, in dem Teilbereich der Wertpapieroberfläche, in dem das Sicherheitselement liegt und in dem die matte Schutzschicht ausgespart wurde, eine Schutzschicht aufzubringen, die aus einem Glanzlack besteht. Sicherheitselemente, die nicht von sich aus glänzend sind bzw. deren Glanz verstärkt werden soll, können dadurch optisch aufgewertet und visuell hervorgehoben werden. Dies erleichtert auch für den ungeübten Benutzer das Auffinden der Sicherheitselemente im Wertpapier. Eine Oberfläche wird üblicherweise als glänzend wahrgenommen, wenn sie strukturelle Inhomogenitäten aufweist, deren Abmessungen in der Größenordnung der Lichtwellenlänge oder darunter liegen. Insbesondere in den Fällen, in denen das Sicherheitselement nicht bereits über eine schützende äußere Schicht verfügt, wie üblicherweise bei Folienapplikationen gegeben, wird auch die Lebensdauer des Sicherheitselements durch die darüber aufgebrachte Glanzlackschicht verlängert. Dies gilt insbesondere für Metalleffektfarbenaufdrucke, aber auch für Blindprägungen und drucktechnisch ausgeführte so genannte "Latent Images" die ohne Schutzlackabdeckung einer starken Verschmutzung und deutlichem Abrieb unterliegen. Die Auffälligkeit und visuelle Wirkung des mit Glanzlack ausgeführten Teilbereichs der Schutzlackschicht kann noch weiter gesteigert werden, wenn dem Glanzlack optisch variable Pigmente zugesetzt werden. Dies sind weit gehend transparente Pigmente, die ein auffälliges und mit dem Betrachtungswinkel veränderliches Farbspiel erzeugen. Beispiele hierfür sind Perlglanzpigmente, Dünnschichtpigmente, wie so genannte "Iriodine®" oder vernetzte Flüssigkristallpolymere. In contrast, the attention of the user of a security targeted a security element are steered, it is advantageous in the sub-area the security surface in which the security element is located and in the matte protective layer has been omitted to apply a protective layer, which consists of a gloss varnish. Security elements not from are made of shiny or whose gloss is to be strengthened, thereby visually upgraded and visually highlighted. This facilitates also for the inexperienced user finding the security elements in the security. A surface is usually perceived as shiny, if it has structural inhomogeneities, its dimensions are on the order of the wavelength of light or less. Especially in cases where the security element is not already has a protective outer layer, as is usually the case with film applications Also, the life of the security element is given extended by the applied over gloss varnish layer. This is especially true for metallic effect imprints, but also for blind embossing and so-called "latent images" executed by printing technology without protective coating subject to heavy pollution and significant abrasion. The conspicuousness and visual effect of running with gloss varnish Part of the protective lacquer layer can be further increased, if optically variable pigments are added to the gloss varnish. these are largely transparent pigments that are eye-catching and with the viewing angle create variable color play. Examples are pearlescent pigments, Thin-film pigments, such as so-called "Iriodine®" or crosslinked liquid crystal polymers.

Eine Verbesserung der Überprüfbarkeit der Wertpapiere erhält man auch, wenn der für die Teillackierung vorgesehene Glanzlack mit so genannten Merkmalsstoffen versetzt wird. Darunter werden Substanzen verstanden, die aufgrund besonderer physikalischer Eigenschaften wie Magnetismus, wellenlängenselektiver Absorption, Lumineszenz oder elektrischer Leitfähigkeit eindeutig überprüf- und nachweisbar sind. Besonders werden jene Merkmalstoffe bevorzugt, die auch durch den Wertpapiernutzer ohne großen apparativen Aufwand überprüfbar und dennoch nicht oder nur mit enormem Aufwand zu fälschen sind. Als Beispiel hierfür seien besondere fluoreszierende oder phosphoreszierende Substanzen erwähnt, die beispielsweise nur in schmalen Wellenlängenbereichen angeregt werden können.An improvement in the verifiability of the securities is also obtained, if the intended for partial painting gloss varnish with so-called Feature substances is added. This is understood to mean substances, due to special physical properties like magnetism, wavelength-selective absorption, luminescence or electrical conductivity clearly verifiable and verifiable. Especially those are Feature substances preferred by the security user without major equipment expenditure verifiable and yet not or only with enormous effort to fake. As an example, be special mentioned fluorescent or phosphorescent substances, for example can only be excited in narrow wavelength ranges.

Das erfindungsgemäße Wertpapier besteht vorzugsweise aus Papier, etwa so genanntem "Sicherheitspapier", wie es im Banknotendruck üblich ist, und das einen besonderen Griff und Klang aufweist. Das Wertpapier kann mit beliebigen Zeichen bedruckt sein, womit jegliche Symbole, Druckbilder und Muster erfasst sein sollen. In besonders vorteilhafter Weise lässt sich die vorliegende Erfindung auf Papiersubstrate anwenden, die mit dem Stichtiefdruckverfahren bedruckt wurden. Für qualitativ hoch wertige Drucke erfordert dieses Verfahren Substrate mit einer ausreichenden Oberflächenrauigkeit, um einem sicheren und sauberen Farbübertrag von der Druckplatte auf das zu bedruckende Substrat zu gewährleisten. Durch den hohen Druck, mit dem dabei das Substrat gegen die Druckplatte gepresst wird, wird die Papieroberfläche in den nicht gravierten, d.h. nicht farbführenden Bereichen der Druckplatte stark verdichtet und geglättet. Dadurch kann auch auf unbeschichteten Papiersubstraten ein unerwünschter Glanz entstehen, der durch eine danach aufgebrachte Mattlackschutzschicht wieder reduziert werden kann. Die Erfindung ist jedoch nicht auf Papiersubstrate beschränkt, sondern kann grundsätzlich auch auf Kunststoff- und Kompositmaterialien übertragen werden, die zunehmend auch im Wertpapierdruck Eingang finden. Kompositmaterialien sind beispielsweise mehrlagige Substrate, die Lagen aus Kunststoff und Papier aufweisen. Eine weitere Variante besteht aus vliesartigen Schichten, die sowohl Zellstoff- oder Baumwollfasern als auch Kunststofffasern enthalten.The security according to the invention is preferably made of paper, something like this called "security paper", as is common in banknote printing, and which has a special feel and sound. The security can with be printed on any characters, with which any symbols, print images and Pattern should be detected. In a particularly advantageous manner, the Applying the present invention to paper substrates using the intaglio printing process were printed. For high quality prints required this method substrates having a sufficient surface roughness, to ensure a safe and clean transfer of ink from the printing plate to ensure the substrate to be printed. Due to the high pressure, with while the substrate is pressed against the printing plate, the paper surface in the un engraved, i. non-color-leading areas the printing plate strongly compressed and smoothed. This also allows for uncoated Paper substrates create an undesirable shine, the reduced again by a subsequently applied matt varnish protective layer can be. However, the invention is not limited to paper substrates, but in principle can also be applied to plastic and composite materials which are increasingly being used in securities printing. Composite materials are for example multilayer substrates, the layers made of plastic and paper. Another variant consists of nonwoven layers containing both pulp or cotton fibers as well Plastic fibers included.

Die Schutzfunktion der Schutzlackschicht oder Schutzfolie bezieht sich insbesondere auf ihre Fähigkeit zur Schmutzabweisung sowie die Erhöhung der Feuchtigkeitsbeständigkeit und der Abriebfestigkeit. Zweckmäßigerweise wird die Schutzschicht beidseitig, d.h. auf die Vorder- und die Rückseite des Wertpapiers aufgebracht. Für die matte Ausführung der Schutzschicht kann beispielsweise ein Mattlack vom Typ 57 0600/50 MHM verwendet werden. Sofern Teilbereiche der Wertpapieroberfläche mit einer glänzenden Schutzlackschicht versehen werden, eignet sich als Glanzlack hierfür beispielsweise ein Lack vom Typ 57 0199/ 50 MHM. Für die Schutzlackschicht werden, unabhängig davon ob nur als Mattlack oder auch als Glanzlack ausgeführt, bevorzugt transparente und farblose Lacke verwendet, die die Färbung des Wertpapiers nicht verändern.The protective function of the protective lacquer layer or protective film relates in particular on their ability to repel dirt and increase moisture resistance and abrasion resistance. Conveniently, If the protective layer is on both sides, i. on the front and the back of the security. For the matt version of the protective layer For example, a matt paint of type 57 0600/50 MHM can be used become. If subsections of the security surface with a shiny Protective varnish layer are provided, is suitable as a gloss varnish for example a paint of the type 57 0199/50 MHM. For the protective lacquer layer regardless of whether only as a matt varnish or as a gloss varnish, preferably transparent and colorless paints used, which is the coloring of the security.

Verschmutzungstests haben ergeben, dass gute Resultate erzielt werden, wenn zur Erzeugung der Schutzlackschicht eine Menge von ca. 2 bis 15 g/m2 flüssigen, noch nicht ausgehärteten Lacks aufgebracht wird. Zur Auftragung der Lackschicht werden bevorzugt das Flexodruck- und das Siebdruckverfahren eingesetzt. Der Flexodruck ist ein besonders schnell und wirtschaftlich arbeitendes Druckverfahren, das den Übertrag ausreichender Lackmengen ermöglicht. Der Einsatz eines Kammerrakels gewährleistet einen sicheren und störungsfreien Produktionsablauf. Mit dem Flexodruckverfahren werden bevorzugt ca. 2 bis 8 g flüssigen Lackes pro m2 Substratoberfläche übertragen. Zur Aufbringung besonders großer Lackmengen im Bereich von ca. 5 bis 15 g/m2 wird bevorzugt das Siebdruckverfahren eingesetzt.Pollution tests have shown that good results are achieved if an amount of about 2 to 15 g / m 2 of liquid, not yet cured lacquers is applied to produce the protective lacquer layer. For application of the lacquer layer, the flexographic printing and screen printing processes are preferably used. Flexographic printing is a particularly fast and economical printing process that enables the transfer of sufficient quantities of paint. The use of a chambered doctor blade ensures a safe and trouble-free production process. The flexographic printing process preferably transfers about 2 to 8 g of liquid paint per m 2 of substrate surface. To apply particularly large amounts of paint in the range of about 5 to 15 g / m 2 , the screen printing method is preferably used.

Die Lackierung der Wertpapiere erfolgt besonders wirtschaftlich, wenn sie nicht am einzelnen Wertpapier, sondern an einem Wertpapierbogen durchgeführt wird, der eine größere Anzahl von beispielsweise 24 bis 60 einzelnen Wertpapieren umfasst. Grundsätzlich kann der Schutzlackauftrag aber auch auf eine kontinuierliche Substratbahn erfolgen, die von einer Rolle abgewickelt wird. Das Aufkaschieren einer Schutzfolie erfolgt üblicherweise ebenfalls in einem kontinuierlichen Prozess, bei dem das Wertpapier und die Schutzfolie einer Rolle entnommen werden. Sind die Sicherheitselemente voneinander beabstandete Einzelelemente, kann die Folie die Aussparungen als ebenfalls voneinander beabstandete Löcher enthalten. Beim Kaschieren werden die Bereiche der Sicherheitselemente passergenau mit den Löchern zusammengeführt. Sind die Sicherheitselemente streifen-oder bandförmig, erstrecken sie sich über das gesamte Wertpapier und damit entlang der gesamten Substratbahn. In diesem Fall kann die Schutzfolie in bahnförmigen Streifen aufkaschiert werden, die keine Löcher aufweisen. Zwei benachbarte Folienstreifen werden mit einem Abstand zueinander aufkaschiert, wodurch der Bereich für das Sicherheitselement ausgespart bleibt.The coating of the securities takes place particularly economically, if they not on a single security but on a security sheet that is, a larger number of, for example, 24 to 60 individual ones Includes securities. Basically, the protective coating order but also take place on a continuous substrate web, which is unwound from a roll becomes. The lamination of a protective film is usually also done in a continuous process in which the security and the Protective film are removed from a roll. Are the security elements spaced apart individual elements, the film, the recesses as also spaced apart holes. When laminating The areas of the security elements are aligned with the holes merged. Are the security elements striped or band-shaped, they span the entire security and thus along the whole Substrate web. In this case, the protective film can be in sheet-like Strips are laminated, which have no holes. Two neighbors Foil strips are laminated with a distance to each other, whereby the area for the security element is left out.

Für den Schutzlack werden bevorzugt wässrige Dispersionslacke verwendet, die nicht nur relativ preiswert, sondern auch unter dem Gesichtspunkt der Arbeitssicherheit und des Umweltschutzes unkritisch und mit geringem Aufwand zu handhaben und zu verarbeiten sind. Dispersionslacke eignen sich in besonderem Maße zur Herstellung matter Oberflächen. For the protective lacquer, aqueous dispersion lacquers are preferably used, which is not only relatively inexpensive, but also from the point of view of Work safety and environmental protection uncritical and with low Effort to handle and process. Dispersion coatings are suitable especially for the production of matt surfaces.

Strahlungshärtende Lacksysteme, die beispielsweise unter dem Einfluss von ultravioletter (UV) Strahlung vernetzen, werden dagegen bevorzugt eingesetzt, wenn große Trockenschichtdicken gewünscht sind. Strahlungshärtende Lacke sind auch dann vorteilhaft, wenn ein besonders hoher Glanz erzielt werden soll. Bei einer besonders bevorzugten Ausführungsform, wird der Hauptanteil der Wertpapieroberfläche mit einem wässrigen Dispersionslack überzogen, um eine matte Oberfläche zu erzeugen, während der bei dieser Lackierung ausgesparte Teilbereich, in dem ein Sicherheitselement liegt, mit einem Glanzlack versehen wird, der strahlungshärtend ist.Radiation-curing coating systems, for example, under the influence of crosslinking ultraviolet (UV) radiation, however, are preferably used, when large dry film thicknesses are desired. Radiation curing Paints are also advantageous if achieved a particularly high gloss shall be. In a particularly preferred embodiment, the Main part of the security surface with an aqueous dispersion varnish coated to create a matte surface while at this Painted recessed part area in which a security element is located, with a gloss varnish, which is radiation-curing.

Die aufeinander folgenden Lackierungen der Oberflächenanteile mit einem Matt- bzw. Glanzlack erfolgt vorzugsweise passergenau, wobei die bei der Mattlackierung ausgesparte Teilfläche exakt mit einem Glanzlack bedruckt wird. Ist eine passergenaue Ausführung aus produktionstechnischen Gründen nicht möglich, wird überlappend gearbeitet, wobei vorzugsweise eine Überlappungszone zugelassen wird, die nicht größer als ca. 2 mm ist.The successive lacquering of the surface portions with a Matt or gloss varnish is preferably accurate registration, the at the Matt varnish recessed surface exactly printed with a gloss varnish becomes. Is a register accurate version for production reasons not possible, is working overlapping, preferably one Overlap zone is not greater than about 2 mm.

Die matten und glänzenden Bereiche der Schutzschicht sind bei dem erfindungsgemäßen Wertpapier aufgrund ihres unterschiedlichen Glanzes visuell deutlich unterscheidbar. Entscheidend sind jedoch nicht die absoluten Glanzwerte, die die einzelnen Bereiche aufweisen, sondern deren relativer Unterschied. Zur messtechnischen Überprüfung kann man die zu messende Oberfläche unter einem definierten Winkel anstrahlen und das reflektierte Licht fotoelektrisch messen. Misst man beispielsweise mit einem Reflektometer unter einem Winkel von 60° nach DIN 67530, bzw. ISO 2813, ASTM D523 und BS 3900 Part D5, liegen die gemessenen Glanzeinheiten (GE) für matte Bereiche vorzugsweise zwischen ca. 5 und 10 GE und für glänzende Bereiche vorzugsweise zwischen ca.15 und 35 GE. Die Differenz matter und glänzender Bereiche beträgt vorzugsweise mehr als 10 GE, um sie visuell gut unterscheiden zu können.The matte and glossy areas of the protective layer are in the inventive Security visually due to their different gloss clearly distinguishable. Crucial, however, are not the absolute Gloss values that have the individual areas, but their relative Difference. For metrological verification, you can measure the Illuminate the surface at a defined angle and reflect it Measure light photoelectrically. For example, measure with a reflectometer at an angle of 60 ° according to DIN 67530, or ISO 2813, ASTM D523 and BS 3900 Part D5, are the measured gloss units (GE) for matte Ranges preferably between about 5 and 10 GE and for glossy areas preferably between approx. 15 and 35 GE. The difference is duller and shinier Areas is preferably more than 10 GE to visually distinguish them well to be able to.

Die erfindungsgemäßen Wertpapiere sind außerdem bei der maschinellen Prüfung mittels optischer Sensoren störungsfrei prüfbar, da ein deutlich überwiegender Anteil der Wertpapieroberfläche mit einem Mattlack oder einer matten Schutzfolie überzogen und damit reflexionsfrei ist. Da der ausgesparte und gegebenenfalls mit einem Glanzlack überzogene Teilbereich des Wertpapiers nur einen geringen Bruchteil seiner gesamten Oberfläche ausmacht, können optische Sensoren bei der maschinellen Wertpapierprüfung ohne Probleme so ausgerichtet werden, dass ihr Detektionsbereich die bei der Mattlackierung oder von der matten Schutzfolie ausgesparte Teilfläche nicht erfasst.The securities of the invention are also in the machine Testing by means of optical sensors trouble-free testable, as a clear overwhelming proportion of the security surface with a matte varnish or a matte protective film coated and thus free of reflection. Since the recessed and optionally coated with a gloss varnish portion of the security only a small fraction of its total surface area optical sensors can be used in automated securities testing be aligned without problems so that their detection area the in the matt finish or by the matt protective film recessed part not recorded.

Gemäß einem bevorzugten Ausführungsbeispiel der Erfindung weist ein Dokument als Sicherheitselement wie eingangs erwähnt einen Aufdruck aus einer Metalleffektfarbe auf. Das Umfeld dieses Sicherheitselements wird als Mattlack mit einem Flexo- oder Siebdrucklack auf Wasserbasis lackiert und auf das Sicherheitselement als Glanzlack ein Öldrucklack aufgebracht. Dadurch wird eine chemische Zersetzung der metallischen Komponente der Metalleffektfarbe und die damit verbundene Eintrübung des metallischen Glanzes vermieden. Bei dieser Variante ist es auch möglich, den Öldrucklack auf das Sicherheitselement aufzubringen und anschließend den wasserbasierten Mattlack vollflächig, das heißt auch über dem Sicherheitselement aufzulackieren. Der zuvor aufgebrachte Öldrucklack verhindert, dass der wasserbasierte Lack im Bereich des Sicherheitselements angenommen wird.According to a preferred embodiment of the invention, a Document as a security element as mentioned above an imprint a metallic effect paint on. The environment of this security element is called Matt lacquer lacquered with a water-based flexo or screen printing lacquer and applied to the security element as a gloss varnish an oil pressure varnish. Thereby is a chemical decomposition of the metallic component of Metal effect color and the associated clouding of the metallic Gloss avoided. In this variant, it is also possible, the oil pressure varnish Apply to the security element and then the water-based Matt varnish over the entire surface, that is also above the security element aufzulackieren. The previously applied oil pressure varnish prevents the water-based paint is adopted in the area of the security element.

Gemäß einer weiteren bevorzugten Ausführungsform der Erfindung wird der Bereich des Wertpapiers, auf den ein Sicherheitselement aufgebracht werden soll, zusätzlich vorbehandelt, um eine optimale Ausführung und/oder optische Wirkung des Sicherheitselements zu erzielen. Die Vorbehandlung kann beispielsweise darin bestehen, dass ein geeigneter Untergrund aufgebracht wird. Weist das Sicherheitselement beispielsweise einen Feinliniendruck mit Linienbreiten in der Größenordnung ab ca. 50 µm auf, erhält man insbesondere auf rauen Substratoberflächen eine höhere Auflösung und schärfere Konturen, wenn der Untergrund beispielsweise durch einen zusätzlichen partiellen Aufdruck geglättet wird. Anstatt eines Aufdrucks kann die Vorbehandlung des Untergrunds für das Sicherheitselement auch durch einen partiellen Oberflächenstrich einer Papierbahn mit geeigneten Streichmassen erfolgen. Auch bei Blindprägungen, die feine und feinste Strukturen im Bereich von beispielsweise 100 µm und darunter wiedergeben sollen, ist eine besondere Vorbehandlung des Untergrunds von Vorteil. Durch eine vor der Prägung partiell aufgebrachte, plastisch verformbare Beschichtung, beispielsweise aus Polymeren werden die Feinstrukturen nicht nur besser und brillanter wiedergegeben, sondern auch dauerhaft stabilisiert.According to another preferred embodiment of the invention the area of the security on which a security element is applied Should be, additionally pretreated to optimal execution and / or to achieve optical effect of the security element. The pretreatment For example, it may be that a suitable underground is applied. For example, does the security element have one Fine line printing with line widths in the order of about 50 microns, one obtains a higher resolution especially on rough substrate surfaces and sharper contours, for example, when the ground an additional partial imprint is smoothed. Instead of an imprint can be the pretreatment of the underground for the security element also by a partial surface line of a paper web with suitable Coating done. Even with blind embossing, the finest and finest Represent structures in the range of, for example, 100 microns and below should, a special pre-treatment of the substrate is an advantage. By a partially applied before embossing, plastically deformable coating, For example, from polymers, the fine structures are not only better and more brilliantly rendered, but also permanently stabilized.

Claims (30)

  1. A paper of value, in particular bank note, having at least one security element and at least one side of the paper of value having a protective layer, characterized in that the protective layer has a matt surface and is omitted in the area of the security element.
  2. The paper of value according to claim 1, characterized in that the paper of value has a protective layer on both sides.
  3. The paper of value according to either of claims 1 and 2, characterized in that the paper of value has an additional coating smoothing the background at least in the area of the security element.
  4. The paper of value according to any of claims 1 to 3, characterized in that the security element has a fine line print.
  5. The paper of value according to any of claims 1 to 4, characterized in that the security element has a print of metallic effect ink.
  6. The paper of value according to any of claims 1 to 5, characterized in that the security element has a blind embossing.
  7. The paper of value according to any of claims 1 to 6, characterized in that the protective layer is transparent and colorless.
  8. The paper of value according to any of claims 1 to 7, characterized in that the area of the security element omitted from the matt protective layer has a protective layer formed as gloss lacquer.
  9. The paper of value according to claim 8, characterized in that the gloss lacquer contains optically variable pigments.
  10. The paper of value according to either of claims 8 and 9, characterized in that the gloss lacquer contains feature substances.
  11. The paper of value according to either of claims 9 and 10, characterized in that the gloss lacquer is an oleographic lacquer.
  12. The paper of value according to at least one of claims 1 to 11, characterized in that the matt protective layer is formed as a lacquer layer of matt lacquer.
  13. The paper of value according to at least one of claims 1 to 11, characterized in that the matt protective layer is formed as a plastic foil.
  14. A method for producing a paper of value having at least one security element and at least one side of the paper of value being provided with a protective layer, characterized in that a protective layer having or forming a matt surface is applied to the paper of value, and the area of the security element or the area provided for the security element is omitted upon said application.
  15. The method according to claim 14, characterized in that the protective layer is applied to the paper of value on both sides.
  16. The method according to either of claims 14 and 15, characterized in that a transparent and colorless protective layer is applied.
  17. The method according to any of claims 14 to 16, characterized in that a gloss lacquer is applied in the omitted area or the area to be omitted as a protective layer for the security element.
  18. The method according to claim 17, characterized in that an oleographic lacquer is applied as a gloss lacquer.
  19. The method according to any of claims 14 to 18, characterized in that a matt lacquer is applied as a matt protective layer.
  20. The method according to any of claims 14 to 19, characterized in that the protective layer is applied in a quantity of 2 to 15 grams per square meter.
  21. The method according to any of claims 14 to 20, characterized in that the protective layer is applied by flexography or screen printing.
  22. The method according to claim 21, characterized in that the protective layer is applied by flexography in a quantity of 2 to 8 grams per square meter.
  23. The method according to claim 21, characterized in that the protective layer is applied by screen printing in a quantity of 5 to 15 grams per square meter.
  24. The method according to any of claims 14 to 23, characterized in that lacquering is performed on a paper-of-value sheet including a plurality of single copies.
  25. The method according to any of claims 14 to 24, characterized in that a water-base dispersion lacquer is applied as a protective layer.
  26. The method according to any of claims 14 to 24, characterized in that a radiation-curing lacquer is applied as a protective layer and cured by radiation.
  27. The method according to any of claims 19 to 26, characterized in that an aqueous dispersion lacquer is applied as a matt lacquer, and a radiation-curing lacquer is applied in the area of the security element as gloss lacquer.
  28. The method according to any of claims 14 to 18, characterized in that a plastic foil is laminated on as a protective layer.
  29. The method according to claim 28, characterized in that the plastic foil has omitted areas in the form of holes that are positioned during lamination in exact register with the security elements or the areas provided for the security elements.
  30. The method according to claim 28, characterized in that the plastic foil is laminated on in continuous strips and two adjacent strips are spaced apart at a distance forming the omitted area for a preferably continuous security element.
EP02724312.0A 2001-05-18 2002-05-15 Value document and method for the production thereof Expired - Lifetime EP1395438B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10124630 2001-05-18
DE10124630A DE10124630A1 (en) 2001-05-18 2001-05-18 Security, especially banknote, with printed symbols and security element, is coated with mat protective varnish except over security element
PCT/EP2002/005360 WO2002094577A1 (en) 2001-05-18 2002-05-15 Value document and method for the production thereof

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EP1395438A1 EP1395438A1 (en) 2004-03-10
EP1395438B1 true EP1395438B1 (en) 2005-12-28
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EP (1) EP1395438B2 (en)
AT (1) ATE314206T1 (en)
CA (1) CA2446559C (en)
DE (2) DE10124630A1 (en)
ES (1) ES2256465T3 (en)
MY (1) MY129199A (en)
WO (1) WO2002094577A1 (en)

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MY129199A (en) 2007-03-30
ES2256465T3 (en) 2006-07-16
DE50205450D1 (en) 2006-02-02
CA2446559A1 (en) 2002-11-28
EP1395438A1 (en) 2004-03-10
ATE314206T1 (en) 2006-01-15
DE10124630A1 (en) 2002-11-21
EP1395438B2 (en) 2015-04-15
WO2002094577A1 (en) 2002-11-28
CA2446559C (en) 2010-02-02

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