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    公开号:AT510366A1
    申请号:T0144110
    申请日:2010-08-27
    公开日:2012-03-15
    发明作者:
    申请人:Hueck Folien Gmbh；
    IPC主号:
    专利说明:

    27/08 2010 13:53 FAX +43 7269 6616 HUECK FILMS 111004 27/08 2010 13:53 FAX +43 7269 6616 HUECK FILMS 111004
    TITLE
    Value document with at least partially embedded security element 5 TECHNICAL AREA
    The invention relates to a particularly two- or multi-ply value document, for example a banknote, a security or an identity document with an embedded security element in the form of a transfer element. 10
    STATE OF THE ART
    Two- or multi-ply value documents are generally produced from laminates or composites having layers of different materials 15.
    In particular, combinations of paper and plastic in a laminate find a variety of uses, since such a laminate the
    Increases resistance of paper, in particular improved tear strength, contamination resistance and the like. 20
    Thus, for example, EP 1 599 346 B discloses a multilayer laminate which can be used as security paper, which has a plastic layer with a top and a bottom and at least one paper layer connected to the plastic layer on the upper side of the plastic layer. On the underside of the plastic layer can also be located a paper layer. At least in one of the paper layers and / or in the plastic layer, a security feature in Ferm of an electrical, electronic, magnetic or optical information means or a combination thereof can be incorporated, examples being watermarks, imprints, microperforations, iridescent colors, mottled fibers or the like. 27/08 2010 FR 13:54 [SE / EM NO 9742] @ 004 27/08 2010 13:53 FAX +43 7269 6616 HUECK FILIEN ®005 > 2
    The security paper has a appearance and a handle like paper, but significantly higher tear strength and stability than paper.
    WO 2004/028825 A discloses a security paper for producing 5 value documents, such as banknotes and the like, which consists of a creaseable multi-layer substrate comprising at least one paper layer and at least one film,
    On the paper layer security features may be applied, for example in the form of an imprint, but also in the form of optically variable elements. The paper surface is then provided on one or both sides with a plastic film to increase the resistance to contamination. Furthermore, a security thread can be at least partially embedded in the paper layer or arranged between the paper layer and the plastic film. be. 15
    From WO 2005/038135 A a multilayer security paper is known, which consists of at least two paper layers, one of the paper layers having at least one security element. 20 The embedding of security elements, such as security threads in multi-layer security pegs proves to be difficult. The multi-layer security papers consist of two or more layers of mostly different materials with different properties, such as paper and plastic layers. The individual layers have a correspondingly smaller thickness compared to the thickness of a single-layered security paper.
    Security elements, such as security threads, can boast numerous collateral " such as color shift effects, fluorescence effects, electroconductive properties, magnetic properties, magnetic codings, and the like. 27/08 2010 FR 13:54 [SE / EM NR 9742] @] 0Q5 27/08 2010 13:53 FAX +43 7269 6616 Hl'ECK FOLIEN @ 006
    • · * · · · · I • · 3Γ
    The security features can be combined almost arbitrarily, which generally increases the thickness © of the security element.
    Under security thread is understood in the prior art, a structure 5, which comprises at least one film-like carrier substrate (for example, a plastic film) on or in the security features up or are introduced, the security features are optionally protected by a further film-like carrier substrate. Such security threads have been used in conventional security papers for quite some time and in the 10 most currencies worldwide. Due to the thickness of the film-like carrier substrate, which must ensure sufficient stability in the manufacturing and processing process and sufficient circulation stability of the document of value, the thickness of such security threads is usually between 23 and 45 pm. 15
    It is known from WO 2006/065431 A that security threads can be introduced into a multi-layered security printing substrate consisting of two thin security paper layers and an inner polymer layer which come to lie between a security paper sheet and the inner polymer layer. The thickness of the security thread contributes at least partially to the total thickness of the printing substrate.
    Security threads are usually equipped on both sides with an adhesive on their surface, which is to ensure the firm anchoring in the value document 25. This is usually one
    Heat seal adhesive that is activated during paper production. In the case of a short heat exposure time, the heat exposure time is often insufficient to activate the heat seal adhesive on the security thread to the extent that good anchoring is achieved. This is especially true for the side of the 30 security thread that comes to rest on the paper layer. 27/08 2010 FR 13:54 [SE / EM NR 9742] @ 006 27/08 2010 13:53 FAX +43 7260 6616 HUECK FOLIEN @ 007
    In general, a single ply security paper has a basis weight of 80-110 g / m 2 at a thickness of about 80 to 130 pm. A single paper layer of a multi-ply security paper typically has a basis weight of typically 35 g / m 2 and a thickness of about 35 to 50 5 pm, the thickness of an inner plastic layer is typically 30 to 40 pm with a basis weight of likewise 30 to 40 g / m 2 , In a multi-ply security paper with innenfiegender paper layer and external plastic layers, the basis weight of the paper layer is typically 80 to 100 g / m2 and the thickness of the plastic layers 10 typically 4 to 12 μη. As already mentioned, security threads generally have a thickness of approximately 23 to 45 .mu.m and can therefore only be anchored with difficulty in the thin layers of the security paper. They have little adhesion in the layer in question and even come out of that layer because the paper fibers can not completely cover the security thread.
    If one nevertheless attempts to embed a security thread in a paper with both the paper age and the security thread being similarly thick, and then winding a paper web into a larger roll, the local thickness difference will be at the location of the embedded security thread at each reinforced additional turn. In technical terms, this effect is often called "piston ring". designated. In extreme cases, it may even lead to partial overstretching, blockages (due to the locally higher pressure) or tearing. Even more noticeable is the extra work done by thick security threads when stacking a number of sheets on top of each other. Due to the superimposed filaments, the sheet pile becomes wavy, which can make further processing much more difficult. This is usually counteracted by the fact that security threads are oscillated during the introduction into the security paper, so that they do not lie exactly one above the other in the stack 30, but come to rest over a width range of, for example, 6 mm. 27/08 2010 FR 13:54 [SE / EM NR 9742] @ 007 27 ^ 08 2010 18:54 FAS +43 7269 6616 HUECK FOLIEN @ 008
    A major disadvantage of this method is that integration of the security thread into the other design of the value document is not possible. This is particularly troublesome when the position of the security thread in certain relation to a viewing window or even to a one-sided opening 5 should be in a multi-layered value document. For example, it may be desirable to run a security thread through a viewing window of a multi-layered value document, with the security thread in each individual value document running exactly through the center of the viewing window. If the security thread has to be oscillated to improve the stacking position, such a design integration is not possible.
    If the security paper has a recess in a security paper layer or an opening, that is to say a so-called window, security threads in these areas find even less adhesion in the substrate. The security thread can even emerge from the substrate in these areas if the adhesion to one of the layers is poor. This deteriorates the wet and dry foldability of the value document, and thus the circulation resistance. At the same time fakes are facilitated.
    20 PRESENTATION OF THE INVENTION
    The object of the invention was therefore to provide a value document consisting of a two- or multi-layer security paper with an at least partially embedded security element and a method for its production 25, in which an excellent anchoring in the substrate is given and the other disadvantages of the prior art Technology can be avoided.
    The subject of the invention is therefore a value document with at least a partially embedded security element, wherein the value document consists of a security paper with two or more layers of identical or different materials, characterized in that the 27/08 2010 FR 13:54 [SE / EM NR 9742] @ 008 27/08 2010 13:54 FAX +43 7209 ββΐβ HUECK FILIEN IS] 009
    A ···································
    Security element is a transfer element and is applied to an inner surface of one of the layers of the security paper and is at least partially covered by at least one further layer of the multi-layer security paper. 5
    Accordingly, it is another object of the invention to provide a security element which can combine several security features, but which is designed substantially thinner than a conventional security thread with the same functionality. 10
    Accordingly, the object of the invention is to provide a method in which the anchoring of the security element on or in the paper layer is separated from the process of producing the multilayer security paper. 15
    The invention therefore further provides a method for producing a security paper for documents of value with an at least partially embedded transfer element, characterized in that the transfer element is supplied in a first step on a carrier substrate and applied to an inner surface of a layer of the security paper with detachment of the carrier substrate and by means of an adhesive coating is fixed, and then in one or more subsequent step (s) one or more further layer (s) are connected to this first layer. In the method according to the invention, the security element is applied in the form of a transfer element in a first step to one of the layers in a transfer process. The transfer element is supplied to this process applied to a carrier substrate, the transfer element is brought into contact with the paper layer in the transfer process and transferred or applied to the paper layer with pressure and / or increased temperature. By this is meant that the transfer element is attached to the paper surface via a material connection. The carrier substrate is printed in 27/08 20 10 FR 13:54 FAX +43 7269 6616 HUECK FOLIEN @ 010
    subtracted from this process, so that only the transfer element remains on the paper layer. In a second step, the rapier layer is connected with the applied transfer element with the other layers. Such a transfer element may be in the form of a strip, ribbon or patch. It may be continuous or broken or have a continuous or interrupted design. It can be visible to the unaided eye, invisible, with the aid of aids visible and machine-readable. 10
    By the variant according to the invention, a design integration in which the transfer element is to run exactly through a window, for example, can be realized very well, since the thickness of the transfer element is substantially less than the thickness of a security thread according to the prior art with the same functionalities and therefore one Oscillation of the security element can be omitted.
    Another advantage of the value document according to the invention lies in its high degree of manipulation resistance. While security threads, which are known to consist of at least one film-like carrier substrate on which the functional layers are constructed and are completely incorporated into the document of value, can be prepared with some skill because of their thickness and the strength of the film-like carrier substrate from the composite the transfer element according to the invention is not or only possible with great difficulty because a sufficiently thick, solid film-like carrier substrate is not present and the only transfer element consisting of the functional layers can no longer be nondestructively removed from the composite. 30 For example, the security paper can be made of a three-layer composite paper / plastic / paper, plastic / paper / plastic, plastic / 27/08 2010 FR 13:54 [SE / EM HR 9742] @ 010 27/08 2010 13:54 FAX +43 7269 6610 HUECK FILMS 0011
    Plastic / paper, paper / paper / plastic or a two-ply composite plastic / Pap-er or paper / paper.
    The individual layers consist of paper, cotton paper, paper with 5 parts of synthetic, natural or regenerated fibers, synthetic paper, plastics, such as disclosed in EP 1 599 346 A, natural plastics such as PLA, modified starch, but also mixtures the aforementioned materials, for example cotton paper or cellulose enriched with synthetic fibers to increase the circulation stability or the resistance to fouling. Further, the paper layers may contain ingredients known to those skilled in the art such as fillers, wet strength agents, bulk and surface sizing agents. Furthermore, the paper layers may contain known additives for increasing the microbacteriological or virological resistance (silver ions, etc.) 15 as well as security features of various kinds (pigments, dyes, mottling fibers, etc.).
    The thickness of the paper layer (s) depends essentially on the desired total thickness and the number of paper layers in the composite. If, for example, a triple composite paper - plastic paper with a total thickness of 100 μm is used, the thicknesses of the individual paper layers are in the range of 10 to 50 μm. preferably in the range of 20 to 40 pm.
    A security element in the form of a transfer element is applied to an inner surface of one of the layers of the two- or multi-ply security paper.
    The transfer element may be in the form of a thread, a strip or a patch. By transfer element in the form of a thread is meant a transfer element whose length is significantly greater than its width. Typically, such transfer elements extend over the full length or width of the value document, that is, over a few centimeters, and have a width of 0.5-6 mm. Strips usually have larger widths, approximately 27/08 2010 FR 13:54 [SE / EM NR 3742] 0011 27/08 2010 13:54 FAX +43 7269 6616 HUECK FILMS @ 012 in the range of 6-30 mm. The edges of the thread or strip are usually straight and parallel to each other, but can also be contoured cut and so take a serpentine course or have wavy edges, bulges or constrictions at certain points 5 and non-parallel, straight edges.
    If required, several such transfer elements can also be present in one value document at the same time, whereby the security against counterfeiting is again significantly increased. 10
    Considering, for example, a three-layer composite consisting of paper / plastic / paper, the transfer element would preferably be applied to the inside of one of the paper layers. If the transfer element is made up in the form of a thread and the paper layers 15 are continuous on both sides, the transfer element in the finished value document can practically not be distinguished from a conventional security thread. But even if one of the paper layers has interruptions, one-sided could be visible
    Transfer element simulated a so-called window thread, which occurs periodically 20 at certain points on the surface of the paper.
    The transfer element consists of one or more functional layers, wherein the transfer element is applied to the transfer process applied to a carrier substrate. The interface between the functional layers of the transfer element and the carrier substrate is designed such that a detachment of the carrier substrate from the transfer element (release) in the transfer process is possible. In a conventional security thread, this is not the fold, because the best possible intimate connection between the foie-like carrier substrate (s) and the functional layers is particularly desirable for reasons of stability against mechanical, physical and chemical influences 27/08 2010 FR 13:54 [SE / EM NR 8742] @ 012 27/06 2010 13:54 FAX +43 7269 6616 HUECK FILMS 121013 27/06 2010 13:54 FAX + 43 7269 6616 HUECK FILMS 121013 * * »* * * * * *« ··· * »», ·· .. · ..1¾ an adhesive coating which is activated in the transfer process under pressure and / or elevated temperature and / or radiation and ensures the adhesive connection of the transfer element to the respective layer of the multilayer security paper. There is no adhesive coating on the side of the transfer element facing the carrier substrate or on the side of the carrier substrate remote from the transfer element. In the application, the carrier substrate is peeled off so that only the layer structure remains on the position of the security paper. The transfer element preferably does not form a self-supporting layer due to the lack of a carrier substrate and therefore of the small thickness. On the contrary, the position of the security paper on which the transfer element is applied assumes the supporting function after the application. A conventional security thread always has at least one film-like carrier substrate 15, which ensures the stability of the security element before, during and also after the introduction into the security paper. The result of this is that the properties such as affordability, tensile strength and puncture resistance of the transfer element according to the invention are lower than in the case of a transfer element known from the prior art. 20
    The thickness of the transfer element results from the number and nature of the functional layers and is in the range from 3 to 25 μm, preferably in a range from 3 to 18 μm, particularly preferably in a range from 6 to 18 μm. 25
    As carrier substrates are carrier films, preferably flexible plastic films, for example, from PI, PP, MOPP, PE, PPS, PEEK, PEK, PEI, PSÜ, PAEK, LCP, PEN, PBT, PET, PA, PC, COC, POM, ABS, PVC , PTFE, ETFE (ethylene tetrafluoroethylene), PFA (tetrafluoroethylene)
    30 perfluoropropyl vinyl ether copolymer), MFA (tetrafluoromethylene-perfluoropropyl vinyl ether copolymer), PTFE (polytetrafluoroethylene), PVF 27/08 2010 FR 13:54 [SE / EM NR 3742] @ 013 27/08 2010 13: 55 FAX +43 7269 6616 HUECK FILMS 0014 • * * · «· · * * ♦ *« ** »» «« · «·· > "* IM * *" * * "" * * 4 λ m * * * * * · · · "L" f ("Polyvinyl fluoride), PVDF (Pulyvinylidenfluorid), and EFEP (Ethylene tetrafluoroethylene-hexafluoropropylene Fluorophobic polymer) in question.
    The carrier substrates preferably have a thickness of 5 to 100 μm, preferably 5 to 36 μm. 5
    On the carrier substrate, a first coating layer is applied, which is releasable, that is, their liability to the carrier substrate is lower than the adhesion of the remaining layers of the transfer element with each other. With a suitable selection of the carrier substrate with regard to its surface and the lacquer layer, a release-capable lacquer layer can be produced without further measures.
    The first lacquer layer is, for example, a thin layer based on Cylcloolefincopolymieren, nitrocellulose, acrylates, polyvinyl chloride, 15 ethylene acrylate copolymers or styrene acrylates in a suitable solvent in question. To adjust the adhesion, preferably chlorinated polyolefins are added. The proportion of the chlorinated polyolefins in the composition may be 0 to 130% by weight relative to the base polymer. In particular, however, 20 radiation-curable, for example UV or electron beam curable
    Lacquer layers or liquid crystal layers used.
    Optionally, this first coat of paint also already
    Security features such as security pigments or dyes, for example 25-colored, heat-sensitive, luminescent pigments or dyes, embossed micro or macrostructures, surface reliefs, diffraction gratings, diffraction structures, holograms, lens structures, moire structures and the like. 30 Does the first coat of paint carry security features in the form of
    Embossed holograms, microlenses or other surface reliefs, the first lacquer layer is preferably a thermoplastic embossing lacquer layer, for example 27/08 2010 FR 13:54 [SE / EM NR 9742] lg] 014 27/08 2010 13:55 FAS +43 7269 6616 HUECK FOLIEN @ 015, 12, based on PMMA, or a UV-curable embossing lacquer layer. Such layers and their preparation are known, for example, from EP 0 352 732 A or EP 1 310 381 A, the disclosure of which is expressly incorporated herein by reference. 5
    The application weight of the first lacquer layer is 1 to 10 g / m 2, preferably 1 to 5 g / m 2.
    In addition to the setting of the defined adhesion to the carrier substrate, the first lacquer layer also has a protective function, since this is uppermost after the transfer and during the further processing of the layer with the applied transfer element is exposed to mechanical and / or chemical and / or thermal stresses. It is therefore advantageous if the first lacquer layer has excellent physical and chemical resistance by suitably formulating the lacquer,
    In another embodiment, the first lacquer layer may be any lacquer layer, wherein a release layer is additionally applied between this lacquer layer and the carrier substrate. This can for example consist of 20 thin wax or silicone layers and allows a targeted adjustment of the adhesion between the first lacquer layer and the carrier substrate. In the transfer process, the release layer is stripped off with the carrier substrate. The application weight of such a release layer is generally less than 0.5 g / ma, 25
    The transfer element contained further mono- or multifunctional layers, which are also known from common security elements.
    In particular, full-surface or partially applied layers 30 of metals, metal alloys and compounds offer themselves here. As the metal layer, layers of Al, Cu, Fe, Ag, Au, Cr, Ni, Zn, Sn, Pt, Ti, Pd and the like are suitable. Suitable alloys are, for example, Cu-Al alloys, Cu-Al / Ofl 2010 FR 13:54 [SE / EM NR 9742] @ 015 27/08 2010 13:55 FAX +43 7269 6616 HUECK FILIEN 0016 «* * * * * * 9 9 * * 4 «· * · * * # * · •« 4 «**« * «4 • * ·« «1 * 4 ·« * 4 «4 ·« 4 4 4 4 4 4 44 »4
    Zn alloys and the like. Suitable metal compounds are, for example, oxides or sulfides of metals, in particular TiO 2, Cr oxides, ZnS, indium tin oxide, antimony tin oxide, antimony zinc oxide, FTG, ZnO, Al 2 O 3 or silicon oxides. The metallic layer can be applied by a PVD or CVD-5 process (sputtering, vapor deposition). The metal layers can be opaque or partially transparent in the visible and / or infrared and / or ultraviolet spectral region and can have a high or low refractive index in order to be able to build targeted optical layer systems. 10
    Recesses in the form of letters, characters, symbols, lines, guilloches, numbers or lettering are preferably present in the metal layers, which result in a contrast when viewed in transmitted light. Suitable processes for producing such piartieller metal layers are described for example in DE 15 197 39 193 A or EF 1 332 238 A.
    Instead of vapor-deposited metal layers, it is also possible to use printing inks or coatings containing metal pigments. Furthermore, the transfer element can also dye and / or resist layers with optical, optically variable, magnetic or electrically conductive properties.
    As color or lacquer layers, a variety of different compositions can be used. The composition of the individual layers may in particular vary according to their purpose, that is to say whether the individual layers serve exclusively for decorative purposes or should be a functional layer or whether the layers should be both decorative and functional layers.
    These layers may be pigmented or unpigmented. Pigments which can be used are all known pigments, such as, for example, titanium dioxide, zinc sulfide, 27/08 2010 FR 13:54 [SE / EM NR 9742] @ 016 30 27/08 2010 13; 55 FAX -43 7269 6616 HUECK FOLIEN @ 017 «· • * * * * Eat .. • · ► · * * * ·
    4 * M
    Kaolin, ITO, ATO, FTO, aluminum, chromium and silicon oxides as well as colored pigments. In this case, aqueous and solvent-containing coating systems as well as solvent-free or radiation-curing systems can be used. 5
    The pigments are preferably incorporated in acrylate polymer dispersions having a molecular weight of from 150,000 to 300,000, in acrylate-urethane dispersions, acrylate-styrene or PVC-containing dispersions or in solvent-containing dispersions of this type. 10
    The optical properties of the layer can be visualized by visible dyes or pigments, luminescent dyes or pigments which fluoresce or phosphoresce in the visible, in the LfV range or in the IR range, effect pigments, such as liquid crystals, pearlescent, bronzes and / or multilayers -15 Color change pigments and photochromic, heat-sensitive colors or pigments influence. These can be used in all possible combinations. In addition, phosphorescent pigments can also be used alone or in combination with other dyes and / or pigments. 20
    An electrically conductive layer may be a metallic or non-metallic or a polymeric conductive layer, wherein as metallic electrically conductive layers substantially the already mentioned metallic layers come into question. However, it is also possible to use carbon black, graphite or silver pigmented dispersions or solutions in ethylene acrylate copolymers. Nitrocellulose, PVB, PA, acrylate or PVC or their copolymers.
    The pigment content can be up to 90%, preferably the binder content can be 20 to 7%.
    A polymeric electrically conductive layer may be made of, for example, polyacetylene, poly-p-phenylene, polypyrroles, polythiophenes, poly-p-FA.. And phenylenvinyien, low molecular weight macrocyclic semiconductors, organopolysilanes, polysulfur nitride and / or polyanilines and / or their derivatives may be formed. Polyaniline or polythiophenes are preferably used as electrically conductive polymers. 5
    The magnetic properties of a layer can be adjusted by paramagnetic, diamagnetic and also ferromagnetic materials, such as iron, nickel and cobalt or their compounds or salts (for example oxides or sulfides) or alloys of rare earth metals, such as, for example, 10 cobalt / samarium alloys.
    Particularly suitable for the production of magnetic security features are magnetic pigment paints with pigments based on Fe oxides, iron, nickel, cobalt and alloys thereof, barium or cobalt ferrite, hard and soft magnetic iron and steel grades in aqueous or solvent-containing dispersions. Examples of suitable solvents are i-propanol, ethyl acetate, methyl ethyl ketone, methoxypropanol and mixtures thereof.
    The pigments are preferably incorporated in acrylate polymer dispersions having a molecular weight of 150,000 to 300,000, in acrylate-urethane dispersions, acrylate-styrene, nitrocellulose or PVC-containing dispersions, or in solvent-containing dispersions of this type.
    It is also possible to combine several layers with different magnetic materials, wherein the magnetic characteristics may have different coercivity and / or remanence. The magnetic layers can be applied over the entire surface or partially, next to one another, one above the other, partially or over the entire surface, overlapping or in different planes of the transfer element.
    The dye or lacquer layers described above are applied to the possibly already coated carrier substrate by means of conventional coating methods. FILIEN. 27/08 2010 FR 13:54 [SE / EM NR 3742} @ 018 30 27/08 2010 13:55 FAX +43 7269 6616 ΗΙΈΟΚ FILMS @ 1019 • ♦ · applied. Examples include printing processes (gravure, flexographic, screen, offset, pad printing), screen or smooth roll application methods, slot die, dip, curtain casting and extrusion coatings. In general, all possible combinations of security features in one and the same transfer element are possible and can occur both individually and in combination, for example to combine a visually recognizable security feature and a machine-readable, hidden security feature. 10
    The structure may be provided finally or in an intermediate layer with a protective lacquer layer, which may also be pigmented. The protective coating layer has the function that underlying layers are better protected against chemical and physical influences. 15
    In the last step, an adhesive coating is applied to the transfer element. Depending on the substrate to which the transfer element is to be applied, hot or cold seal adhesive coatings, self-adhesive coatings or radiation-curable adhesive coatings are suitable as adhesive coatings.
    In particular when applied to temperature-sensitive layers of the two-layered or multi-layered sheared paper, the use of a radiation-curable adhesive system is advantageous. For application to paper or paper-like layers, a hot-melt adhesive is preferably used. 25
    To bring the transfer element into the two- or multi-ply security paper, the transfer element with the adhesive coating is brought into contact with an inner surface of the material which forms a layer of the value document.
    The application of the transfer element can be page and / or long register exactly to any other existing in or on a position of 27 / 0Θ 2010 FR 13:54 [SE / EM NR 9742] @ 019 30 27 / 0β 2010 13: 5β FAX -43 7269 6610 HUECK FOLIEN @ 020 17. * multi-layer Sicherheitsspaprers provided security features, such as imprints, watermarks and the like or to any existing recesses in one layer. In a particular embodiment, the arrangement of the transfer element takes place in such a way that the transfer element is visible in a recess of an overlying layer of the security paper or in an existing aperture. 10 The application of the Trarsferelements on a layer of security paper takes place with detachment of the transfer element from the carrier substrate on which the transfer element is zuceführt, in a transfer process from roll to roll or from sheet to sheet by means of suitable commercially available application machines. Depending on the type of adhesive coating, the application takes place under the action of pressure and / or temperature and / or UV * or electron beam radiation. In the transfer process, more specifically, the supporting function of the carrier substrate is taken over immediately by the paper layer, for the transfer element itself is then a self-supporting Function not mandatory. 20
    Due to the detachment of the carrier substrate during the transfer process, only the layers with the security features are firmly anchored by means of the adhesive coating on the inner surface of a layer of the security paper. In the subsequent production of the multi-ply security paper there is no damage or changes to the transfer element.
    The thickness of the transferred structure is &lt; 20 pm, but preferably <10 pm. This is much lower than a commercial security thread and usually much lower than the thicknesses of the individual layers of the composite. If the transfer element is applied to a paper layer under the influence of pressure and / or elevated temperature, the paper is also compressed locally during the transfer process, for which reason a transfer element with a thickness of 20 μm could not be expected to be 27/09 2010 FR 13: 54 [SE / EM HR 9742] @ 020 27/08 2010 13:56 FAX -43 7269 6616 HUECK FILMS 0021 * v * * - - • »IQ · * * * * | Qi · · ♦ ♦ ·· * local thickening 20 μιτι also leads, but at best to a local thickening of &lt; 5 pm. Already by the small thickness of the transfer element, and additionally by the compression at the
    Transfer process, a uniform thickness of the value document is guaranteed over the entire 5 extent and does not lead to the aforementioned problems in the stacking or reeling.
    In order to further improve the thickness homogeneity, a recess can be produced even before the application of the transfer element, for example by calendering in the area of the subsequent application or by deliberate thinning of a paper layer during papermaking,
    The application can be applied both to a continuous position of the security paper as well as to a layer with an opening previously produced by punching, cutting or similar processes. The transfer element then spans the remaining opening. Furthermore, the layer can be punched or cut after application in the region of the transfer element, so that both the position of the security paper and the transfer element itself are at least partially broken. As a result, the area of the window can remain completely transparent and is not disturbed by the applied transfer element.
    After the application of the transfer element to a layer of the multilayer security paper has now taken place in a first step, this layer is connected to one or more further layers of the security paper. This process can be done from sheet to sheet or preferably from roll to roll. The application of the transfer element can be carried out in the same operation as the production of the multilayer security paper (in-line) or in separate operations (off-line).
    The connection of the individual layers is usually carried out in the gap between a possibly heated roller pair, the pressure and / or temperature on the 27/08 2010 FR 13:54 [SE / EM NR 3742] @ 021 30 27/08 2010 13: 56 FAX +43 7269 6816 HUECK FOLLOWS @ 022 • • • • • • • • -IQ * · * · ·, · · IV · · · · · · · 4
    Verbund exercises. If materials are used for one or more layers that have a sufficiently low melting point so that the other materials are not destroyed, the bonding process can only take place through the application of pressure and temperature, so that a stable connection is achieved. If there is a danger that the individual layers will be destroyed by too high a temperature, the process temperature can be significantly reduced by using an adhesive to bond the layers. The adhesive may dry or cure at room temperature or become molten at significantly lower temperatures than the materials of layers 10. Radiation-curing adhesives can also be used, and the temperature load on the bonding process is the lowest.
    In a preferred embodiment, the production of the multi-ply 15 security paper takes place by a so-called extrusion lamination of two or more layers. It is introduced between two layers, which are usually made of paper, a molten polymer by means of a slot die, brought together the layers in a nip and then cooled The extruded layer then represents a separate layer of security paper 20 is such a method, for example WO 2006/066431 A, the content of which is hereby incorporated in full.
    Exemplary embodiments of the inventive value document and of the transfer element are shown in the figures.
    In the figures: 1 document of value 2 hologram strips, applied to the surface of the document of value 30 3 completely embedded transfer element 4 partially visible transfer element 27/08 2010 FR 13:54 [SE / EM NR 9742] @ 022 27 / OS 2010 13:56 FAX +43 7269 6616 HliECK FOLIEN @ 023 27 / OS 2010 13:56 FAX +43 7269 6616 HIECK FOLLOWS @ 023 ♦ * »· · 5, 5a, 5b Cut-outs in the upper paper layer 6 Cut-out in the lower paper layer 7 upper paper layer ^ 8 Polymer layer 5 9 Lower paper layer 10 Carrier film 11 Transfer layer 12 Metallic coating 13 Adhesive layer 10 14 Adhesive coating 15 Low coercive magnetic ink 15a High coercive magnetic ink 16 recesses in the form of characters, codes, etc. 17 Areal recess 15 18, 18a Paper layer with applied transfer element 19 Coating with color shift effect 20 Fluorescent coating 21 Color printed text 22 Electromagnetic waves reflected Parting layer 20 23 Spacer layer 24 Layer of metallic clusters 25 Partially visible transfer element, contoured cut 26 Bulges 27 Polymer layer 25 28 Paper layer without transfer element 29 Roller pair FIG. 1 shows a value document 1 according to the invention with a conventional one
    Hologram strip 2, which is applied to the outer surface of the value document 30. Furthermore, the value document shown has two transfer elements 3 and 4, which are arranged inside the multilayer security paper. The relay element 3 is completely between opaque 27/08 2010 FR 13:54 [SE / EM NR 8742] @ 023 27/08 2010 13:56 FAX +43 7269 6616 HUECK FILMS 0024 27/08 2010 13:56 FAX + 43 7269 6616 HUECK FILMS 0024
    • * I I »· 4 ··· #« * · ·
    η A · 1 · M * · *
    Paper layers 7.9 introduced and therefore only visible in transmitted light and not in reflected light, similar to a conventional, fully embedded security thread. The transfer element 4 is embedded so that it is visible through a recess 5 in the upper paper layer 7 at the location of the recess 5 in 5 Aufficht. In the area of the recess 5a, the lower paper layer 9 together with the applied transfer element 4 is also broken, so that a transparent window is formed when the polymer layer 8 consists of a transparent material. FIG. 2a shows the region of the transfer element 3 in cross section along the dot-dash line AA in FIG. 1. In this case, the document of value consists of an upper paper layer 7, a polymer layer 8 and a lower paper layer 9. The transfer element 3 is on the lower side Paper layer 9 applied and protected on both sides by at least one paper or polymer layer. The 15 different thicknesses of the lower paper layer 9 in the area of the applied transfer element 3 are compensated in part by a somewhat smaller thickness of the polymer layer 8. Nevertheless, the total thickness of the document of value 1 at the location of the transferred transfer element 3 is not substantially different than outside this range. 20
    2b shows the document of value in the region of the recess 5 in cross section along the dot-dash line BB in FIG. 1. Also in this case, the document of value consists of an upper paper layer 7, a polymer layer 8 and a lower paper layer 9. The upper paper layer 7 is However, at the point of 25 transfer element 4 broken (recess 5), for example by punching or cutting, If one now uses a transparent polymer for the polymer layer 8, the transfer element 4 is visible in incident light from the side of the upper paper layer 7 ago. From the back of the transfer element 4 is hidden and can only be detected in transmitted light.
    FIG. 2 c shows the value document in the region of the recess 5 a in cross section along the dot-dash line CC in FIG. 1. In contrast to the situation 27/08 2010 FR 13:54 [SE / EM NR 8742] @ 024 30 27/08 2010 13 2b, the lower paper layer 9, including the applied transfer element 4, is perforated in the form of a recess 6. This is achieved by positioning the lower paper layer 9 after the lower layer 9 Application of the transfer element 4 gesta nzt or cut
    Similarly, it is conceivable that both paper layers 7 and 9 are recessed at the location of the transfer element 4, but the transfer element 4 is not and thus bridges the recess 6. The transfer element 4 can thus be viewed from both sides in reflected light. The recesses 5 a and 6 10 may also be arranged offset in the upper and lower paper layer, so that the transfer element 4 is visible both at the top and at the bottom of the document of value 1 at different points in incident light.
    FIG. 3 shows an exemplary construction of a transfer element 3 or 4 with 15 optical and machine-readable security features prior to the application. On the carrier substrate 10 is first a releasable lacquer layer 11. Subsequently follows a metal layer 12 with recesses 16 in the form of negative characters, symbols, codes or similar recognizable structures in the transmitted light. Machine-readable structures, such as low-coercive magnetic regions 15 and high-coercive magnetic regions 15a, are present in the regions not provided with recesses 16-20. To cover the generally dark magnetic regions, a further reflective metal layer 12 is then applied, which has recesses 17, which are arranged so that in the transmitted light, the recesses 16 in the first metal layer 12 remain visible. This layer sequence is protected with a protective varnish 13 against physical and chemical attack. Finally, an adhesive layer 14 is applied, with the aid of which the transfer element can be applied to a layer of the value document.
    The state after the application of the security feature on one of the layers of the value document is shown in FIG. 4a in the top view and in FIG. 4b in the 27/08 2010 FR 13:54 [SE / EM NR 3742] @ 025 30 27/08 2010 13 : 57 FAX +43 7269 6616 HUECK FILIEN 0026 «« * · * 23 '
    Cross section along the dotted line D-D shown in Fig. 4a. The carrier substrate 10 is no longer present after the application. In the top view, the recesses 16 in the metal layer 12 are clearly labeled as text "TEST" and numbers "100 &quot; recognizable. The magnetic areas 15 and 15a are completely covered on both sides 5 by the two metal layers 12 and thus optically indistinguishable from the non-magnetic metallized areas, but can only be detected with suitable readers. The paper layer with applied transfer element 18 is now used to produce the multi-ply security paper for the value document 1. 10
    A further transfer element 4 with optical properties, which has already been applied to a paper layer 9, is shown in FIG. 5 a in the plan view and in FIG. 5 b in the transverse section along the dot-dash line E-E in FIG. 5 a. The transfer element 4 has three security features in the form 15 of a coating with color shift effect 19, a partially printed fluorescent coating 20 in the form of the text "100" and a colored microprint 21 in the form of the text "TEST". If one considers the transfer element 4 in the case of daylight conditions, then, at the points where the coating with color-shift effect 19 is visible, a different coloration depending on the viewing angle appears. Typical color transitions of such coatings change, for example, from magenta to green or from green to blue. In the example shown in FIGS. 5a and 5b, the color shift effect coating 19 consists of 3 layers: an electromagnetic wave reflecting layer 22, a transparent spacer layer 23 and a layer of 25 metallic clusters 24. About the optical properties of the individual layers and the defined thickness the spacer layer, the desired color shift effect can be adjusted. Details on the mode of operation of such layer structures can be found, for example, in EP 1 716 007 A. The printed text 21 is printed with a different color (e.g., opaque white) to the colors of the color-shift coating. The test 21 is therefore clearly recognizable as such under daylight conditions and does not change color when the viewing angle is changed. Illuminated 27/08 2010 FR 13:54 [SE / EM NR 9742] @ 028 27/08 2010 13:57 FAX +43 7269 6616 HUECK FOLIEN @ 027 '24 · the UV radiation, the fluorescent coating 20 emits radiation in the visible spectral range. The transfer element can thus be easily verified on the one hand with the naked eye on the coating with Farbkippeffekt 19 and the micro-pressure 21 and additionally provides 5 by the fluorescent coating 20 a second level of security, which can be activated by laymen with simple means. Such a transfer element is particularly attractive when it is combined with a recess in one of the layers of the document of value and thus is clearly visible at this point. 10
    FIG. 6 shows a further document of value 1 according to the invention, which on the one hand comprises a hologram tire 2 applied on the outer surface and on the other hand a transfer element 25 which is visible in two regions through recesses 5b in the upper paper layer 7. The transfer element 15 25 has bulges 26 in two places, once in angular and even in elliptical shape. The shape of the transfer element 25 is already determined during production by a contoured blank. In the area of the recesses may be visible and invisible transfer elements. By this method, the area of the window can be better utilized, wherein in the area in which the security feature 25 is completely embedded, again the impression of a conventional security thread arises.
    The different ways of producing the composite are shown in FIGS. 7a-7c. The paper layers with applied transfer element 18 or 18a, the polymer layer 21 and the paper layer without transfer element 22 are joined together between a pair of rollers 29 under the action of pressure and / or temperature and / or radiation. The previously produced paper layer with transfer element 18 or 18a can now be either one of the outer layers of the composite (FIG. 7a) or the central of the three layers of a composite (FIG. 7b). It is always important that the transfer element is located on one of the surfaces located within the composite. Fig. 7c shows a 27/08 2010 FR 13:54 [SE / EM HR 9742] @ 027 27/08 2010 13; 57 FAS * 43 7269 6616
    HUECK FOLIEN @ 028 · · «« · · · · * · »· 26 **
    Double composite consisting of a layer with transfer element: 18 or 18a and a further layer 28.
    27/08 2010 FR 13; 54 [SE / EM NR 9742] ®028 27/08 2010 13:57 FAX +43 7269 6616 HUECK FILMS @ 029 27/08 2010 13:57 FAX +43 7269 6616 HUECK FILMS @ 029 • * · • · * • I t * * • · »* * m * * · * * __ · · ♦ * 26 .......
    Example structure 1 (machine-readable transfer element, compare FIGS. 4a and 4b): carrier film PET 23 pm
    Transfer varnish UV-curing, application weight 3 g / m2, releasable 5 Partial metallization 2.0 OD
    Adhesive primer, application weight 0.5 g / m2 Low coercive magnetic ink, partially printed Ink with metal pigments, application weight 1.5 g / m2 Heat sealing varnish, application weight 10 g / m2 10
    Example structure 2 (optically variable transfer element, see Figures 5a and 5b):
    Carrier film PET 19 pm 15 Transfer lacquer based on a cycloolefin copolymer, 4 g / m 2, releasable Partial printing with black ink Partial printing with blue fluorescent ink Layer of aluminum cus- tomers, nominal thickness 3 nm Spacer layer of UV-curing lacquer, thickness 550 nm 20 Reflection layer of 2, C OD aluminum, vapor-deposited hot-seal varnish, application weight 8 g / mz
    Example 3 (substrate composite with integrated transformer): 25
    Security paper with watermark, basis weight 35 g / m2
    Applied thereon Trans: erelement according to Example 1 or 2, without carrier film
    Polymer core of polyamyd, thickness about 30 pm
    Security paper with watermark, stamped, basis weight 35 g / m2 30 27/08 2010 FR 13:54 [SE / EM NR 3742] @ 029
    权利要求:
    Claims (5)
    [1]
    1) value document with an at least partially embedded security element, wherein the value document consists of a security paper with two or more layers of the same or different materials, thereby in that the security element is designed as a transfer element and is applied to an inner surface of one of the layers of the security paper and is at least partially covered by at least one further layer of the multi-layer security paper.
    [2]
    2) value document according to claim 1, characterized in that at least one of the layers of the security paper has at least one recess. 15
    [3]
    3) value document according to claim 2, characterized in that the transfer element is located side and / or longitudinal register accurate to the at least one recess and is preferably located in at least partial overlap with d esem. 20 4) document of value according to one of claims 1 to 3, characterized in that at least one of the layers of the security paper has at least one security feature. 25 5) value document according to claim 4, characterized in that the transfer element is located longitudinal and / or page register accurate to the security feature. 6) value document according to one of claims 1 to 5, characterized 30 characterized in that the transfer element is fixed to an inner surface of the layer of security paper by an adhesive coating. 27/08 2010 FR 13:54 [SE / EM NR 9742] @ 030 27/08 2010 13:58 FAX +43 7269 6616 HUECK FILIEN 0031

    The document of value according to claim 6, characterized in that the adhesive coating is a hot or cold seal adhesive, a self-adhesive coating, a hot-melt adhesive coating or a coating-hardening coating. 8) value document according to one of claims 1 to 7, characterized in that the layers of the security paper made of paper, synthetic paper, cotton paper and / or plastic. 10 9) document of value according to one of claims 1 to 8, characterized cass the position of the security paper to which the transfer element is applied, a recess at the location of the transfer element has, 10) valuable document according to claim 10, characterized in that the Recess is produced prior to application of the transfer element and / or characterized in that the depression is produced by the compression of the position of the security paper in the application of the transfer element, 11) value document according to one of claims 1 to 10, characterized in that the Transfer element is composed of a lacquer layer and one or more full-surface and / or of the partial 25 layer (s) having functional properties, wherein the thickness of the Transfarelementes in a range of 3 to 25 pm, preferably in a range of 3 to 18 pm, particularly preferred in a range of 6 to 18 pm. 30 12) document of value according to claim 11, characterized in that the thin lacquer layer and the layer (s) with functional properties 27/08 2010 FR 13:54 [SE / EM NR 9742] ®031 27/08 2010 13:58 FAX + 43 7269 6616 HUECK FOLIEN @ 032 27/08 2010 13:58 FAX +43 7269 6616 HUECK FOLIEN @ 032

    »· · · · · · · · · · · ·

    [4]
    Are applied to one of the layers of the value document on a film-like carrier substrate before application. 13) value document according to claim 12, characterized in that the thin lacquer layer is releasable. 14) Wertdoku me nt according to claim 12, characterized in that between the thin lacquer layer and the foil-like carrier substrate, a release coating is arranged 10 15 document of value according to one of claims 11 to 14, characterized in that the thin lacquer layer has an embossed structure. 15 16) document of value according to one of claims 11 to 14, characterized cass the Schieht (s) with functional properties electrically conductive, and / or optical, and / or optically active features (s). 20 17) value document according to one of claims 11 to 14, characterized cass the layer (s) with functional properties aufwelst magnetic features (en). 18). Document of value according to claim 17, characterized in that the transfer element has a plurality of layers with magnetic features made of materials having the same or different coercivity and / or remanence. 19) value document according to claim 18, characterized in that the 30 magnetic features over the entire surface or partially, side by side, one above the other, tei wise or completely overlapping and / or are applied in different levels of the transfer element. 27/08 2010 FR 13:54 [SE / EM NO 8742] @ 032 27/08 2010 13:58 FAX +43 7269 6616 HUECK FILIEN i] 033 • * ft »30 20) Document of value according to one of Claims 11 to 19, characterized in that the transfer element has a combination of a plurality of security features in the form of partial and / or full-surface 5 clients. 21) value document according to one of claims 11 to 20, characterized in that the transfer element is provided with a protective lacquer layer. 10 22) A method for producing a security paper for documents of value with an at least partially embedded transfer element, characterized in that the transfer element supplied in a first step on a carrier substrate and applied to an inner surface of a layer 15 of the security paper with detachment of the carrier substrate and by means of an adhesive coating is fixed, and then in one or more subsequent step (s) one or more further layer (s) are connected to this first layer. 20 23) Method according to claim 22, characterized in that the two steps are carried out in-line or off-line. 24) Method according to one of claims 22 or 23, characterized in that the application of the transfer element from roll to roll or sheet to sheet takes place. 25) Method according to one of claims 22 to 24, characterized in that the application of the transfer element takes place in register to a watermark, a print and / or a recess in at least one of the layers of the security paper. 27/06 2010 FR 13:54 [SE / EM NR 3742] @ 033 27/08 2010 13:58 FAX +43 7269 6616 HUECK FOLIEN @ 034

    Method according to one of Claims 22 to 25, characterized in that the layers of the security paper are connected by means of an extrusion lamination.
    [5]
    5 27) Method according to one of claims 22 to 26, characterized in that the layers of the security paper are connected by means of a laminating adhesive. 28) Method according to one of claims 22 to 27, characterized in that the layers of the security paper are connected by means of a lamination without adhesive. 29) Method according to one of claims 22 to 28, characterized in that the production of the multilayer composite takes place under the action of pressure and / or temperature and / or UV or electron radiation. 27/08 2010 FR 13:54 [SE / EM NR 9742] @ 034
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    同族专利:
    公开号 | 公开日
    PL2608968T3|2020-09-21|
    US20130234426A1|2013-09-12|
    RU2013113556A|2014-10-10|
    SI2608968T1|2020-08-31|
    CA2808779A1|2012-03-01|
    CA2808779C|2019-06-25|
    EP2608968B1|2020-04-08|
    AT510366B1|2012-12-15|
    ES2798765T3|2020-12-14|
    WO2012025216A1|2012-03-01|
    HUE049655T2|2020-10-28|
    EP2608968A1|2013-07-03|
    BR112013004668A2|2016-08-02|
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    法律状态:
    2019-07-15| HC| Change of the firm name or firm address|Owner name: HUECK FOLIEN GESELLSCHAFT M.B.H., AT Effective date: 20190524 |
    优先权:
    申请号 | 申请日 | 专利标题
    ATA1441/2010A|AT510366B1|2010-08-27|2010-08-27|VALUE DOCUMENT WITH AT LEAST PARTIALLY EMBEDDED SAFETY ELEMENT|ATA1441/2010A| AT510366B1|2010-08-27|2010-08-27|VALUE DOCUMENT WITH AT LEAST PARTIALLY EMBEDDED SAFETY ELEMENT|
    US13/817,203| US20130234426A1|2010-08-27|2011-08-22|Valve document having an at least partially embedded security element|
    EP11757544.9A| EP2608968B1|2010-08-27|2011-08-22|Value document having an at least partially embedded security element|
    CA2808779A| CA2808779C|2010-08-27|2011-08-22|Value document having an at least partially embedded security element|
    BR112013004668A| BR112013004668A2|2010-08-27|2011-08-22|valuable document with at least partially integrated security features|
    HUE11757544A| HUE049655T2|2010-08-27|2011-08-22|Value document having an at least partially embedded security element|
    SI201131890T| SI2608968T1|2010-08-27|2011-08-22|Value document having an at least partially embedded security element|
    ES11757544T| ES2798765T3|2010-08-27|2011-08-22|Document of value with security element incorporated at least partially|
    PCT/EP2011/004216| WO2012025216A1|2010-08-27|2011-08-22|Value document having an at least partially embedded security element|
    RU2013113556/12A| RU2574969C2|2010-08-27|2011-08-22|Security document with at least partially integrated protective element|
    PL11757544T| PL2608968T3|2010-08-27|2011-08-22|Value document having an at least partially embedded security element|
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