EP2788197B1 - Security paper, a document of value which can be obtained therefrom, and a method for producing same - Google Patents
Security paper, a document of value which can be obtained therefrom, and a method for producing same Download PDFInfo
- Publication number
- EP2788197B1 EP2788197B1 EP12797714.8A EP12797714A EP2788197B1 EP 2788197 B1 EP2788197 B1 EP 2788197B1 EP 12797714 A EP12797714 A EP 12797714A EP 2788197 B1 EP2788197 B1 EP 2788197B1
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- EP
- European Patent Office
- Prior art keywords
- lacquer
- substrate
- dirt
- repellent
- gloss
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/328—Diffraction gratings; Holograms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/324—Reliefs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/355—Security threads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
- B42D25/378—Special inks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/405—Marking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0036—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or layers dried without curing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0045—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or film forming compositions cured by mechanical wave energy, e.g. ultrasonics, cured by electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams, or cured by magnetic or electric fields, e.g. electric discharge, plasma
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- B42D2033/04—
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- B42D2033/18—
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- B42D2033/24—
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- B42D2033/30—
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- B42D2033/32—
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/20—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
Definitions
- the invention relates to a security paper for the production of value documents, such as banknotes, passports, identity documents or the like, with a flat substrate, which is provided on at least one surface with at least one tamper-evident means, wherein the tamper-evident means to extend the life and fitness provided with a paint is.
- the invention further relates to a value document with such a security paper and method for producing the security paper and the value document.
- Security documents such as banknotes, stocks, bonds, certificates, vouchers, checks, high-quality admission tickets, but also other forgery-prone papers, such as passports or other identity documents, are often provided with counterfeit securities for verification, which allow a verification of the authenticity of the value document and at the same time serve as protection against unauthorized reproduction.
- the tamper-evident means may for example be in the form of a security thread completely or partially embedded in a banknote or in the form of a security strip or patch applied to the banknote.
- EP 0 758 587 A1 discloses a method for producing a partially transparent security element having a visually recognizable surface pattern on optical diffractive optical markers (hologram) with non-coherent reflective layers and transparent adhesive bridges embedded in a plastic laminate.
- hologram optical diffractive optical markers
- a base film microscopically fine relief structures are molded, with such a structured lacquer layer of the base film over the entire surface with the Reflective layer is coated, an etchant is applied in a predetermined printed image of partial surfaces by printing on the reflective layers, the reflective layers removed by the etchant in the faces and the surface of the paint layer is exposed.
- the lacquer layer in the partial areas and the remaining areas of the reflection layers are coated with at least one transparent protective layer, the transparent adhesive bridges forming in the partial areas from the direct connection of the lacquer layer to the protective layer.
- DE 101 24 630 A1 discloses a security printed with indicia and having at least one security element, and at least one side of the security having a protective lacquer layer, wherein the protective lacquer layer is formed as a matt lacquer and is recessed in the area of the security element.
- WO 2004/072378 A1 discloses a security paper for the production of documents of value, which is at least partially provided with a dirt-repellent protective layer to extend the life and fitness, wherein the protective layer comprises at least two layers of lacquer, wherein a first lower lacquer layer is formed by a physically drying lacquer layer applied to the substrate which makes contact with the underlying substrate and closes its pores, and wherein a second top coat protects the substrate from physical and chemical attack.
- WO2005 / 106601 A2 discloses a carrier film with an anti-counterfeiting agent, wherein a surface of the carrier film has an optically variable security feature with microstructures and micro-imaging elements for enlarged illustration of the microstructures (Fig. 21, page 26, see also page 7), wherein the anti-counterfeiting means for Extension of the life and fitness for circulation with the visibility of the optically variable security feature substantially not influencing, dirt-repellent radiation-curing first coat ("protective coating / varnish 138") is provided.
- the carrier film is glued to a security paper (adhesive 136, see also page 9). This document does not disclose that the varnish covers a partial surface of the substrate of the security paper surrounding the anti-counterfeiting agent and also gives no indication of the exact thickness of the varnish layer.
- Optically variable security features give the viewer a different image impression under different viewing angles.
- the security features may be in the form of diffraction-optically effective microstructures or nanostructures, such as in the case of conventional embossing holograms or others Hologram-like diffraction structures (see, for example, the publications EP 0 330 733 A1 or EP 0 064 067 A1 ).
- lens systems it is also known to use lens systems as security features.
- a security thread of a transparent material described on the surface of a grid of several parallel cylindrical lenses is imprinted.
- the thickness of the security thread is chosen so that it corresponds approximately to the focal length of the cylindrical lenses.
- the print image is designed taking into account the optical properties of the cylindrical lenses.
- moiré magnification arrangements are used as security features.
- Such a moire magnification arrangement is in the document WO 2006/087138 A1 or in the DE 10 2005 028 162 A1 disclosed.
- That in the WO 2006/087138 A1 disclosed counterfeit protection means comprises at least a first and a second security feature.
- the first authenticity feature comprises a first arrangement with a plurality of focusing elements, which are present in a first grid, and a second arrangement with a multiplicity of microscopic structures, which are present in a second grid.
- the first and second arrays are arranged one another such that the microscopic structures of the second array are magnified as viewed through the focussing elements of the first array.
- Such a magnification effect is also called moiré magnification.
- moiré magnification thereafter refers to a phenomenon when looking at a raster of identical image objects through a lenticular of approximately the same Pitch occurs. As with any pair of similar rasters, this results in a moire pattern, in which case each of the moiré fringes appears in the form of an enlarged and rotated image of the repeated elements of the image raster.
- Securities may be provided with a dirt-repellent protective coating to extend their service life and fitness.
- a dirt-repellent protective coating to extend their service life and fitness.
- a protective layer which contains cellulose ester or cellulose ether to a greater extent and micronized wax to a lesser extent and which is applied over the entire surface of the bills.
- the micronized wax is thereby dispersed by kneading or mixing with oil, a colorant or a mixture thereof.
- the sheets freshly printed with the protective layer can be easily stacked without discoloring black color from a sheet to the underlying sheet.
- Optically variable counterfeit protection means in particular security elements with a microoptical representation arrangement with microstructures and microimage elements for enlarged imaging of the microstructures, for example microlens or micro hollow mirror arrays, can not be provided with a dirt-repellent protective layer as a result of a possible impairment of the optical effect.
- the partial application of a soil-repellent protective layer to a bill equipped with an optically variable counterfeit security device The fact that the protective layer has a recess in the area of the anti-counterfeiting means leads to disturbing dirt spots in the region of the recess (in particular in the case of a window thread).
- the object of the invention is to avoid the disadvantages of the prior art and, in particular, to provide a security paper which has improved soil repellency in the area of the optically variable counterfeiting device and at the same time ensures an attractive visual appearance of the counterfeiting device.
- a first aspect of the invention relates to a security paper according to claim 1.
- the first lacquer may contain an additional feature substance, in particular luminescent substance, which does not substantially influence the perceptibility of the optically variable security feature.
- the luminescent substance e.g. nanoscale luminescent substances.
- the luminescent substance may e.g. be detectable in the UV range.
- the first lacquer provided with a luminescent substance may at least partially have a special design or pattern at least at its edges.
- the tamper-evident means may in particular be in the form of a security strip, a security thread (for example a window thread) or a patch.
- the radiation-curing first lacquer is preferably a UV-curable lacquer which is high-gloss after crosslinking, i. only a very small scattering and thus only a very slight matting.
- a crosslinked UV varnish can be obtained from a UV-crosslinking varnish which contains no dulling agent and, due to its coating composition, has only a very slight scattering after drying and thus only a very slight dulling.
- the substrate may be provided with a water-based primer layer on its surface lying outside of the counterfeiting protection means, said layers having said dirt-repellent properties which do not substantially affect the perceptibility of the optically variable security feature optionally partially overlaps radiation-curing first lacquer in the region of the partial surface of the substrate surrounding the anti-counterfeiting agent.
- the primer layer may, according to an alternative, be arranged at a distance from the counterfeit protection means (so that there is no overlapping arrangement with respect to the first varnish). According to a further alternative, the primer layer can be present over the entire surface and the counterfeit protection means (for example a patch or a strip) can be arranged above the primer layer.
- the primer layer can be provided with a UV-crosslinking lacquer forming a cover layer which protects the substrate from physical and chemical influences.
- the substrate may be provided with a dirt-repellent second lacquer on its surface lying outside the anti-counterfeiting agent the mentioned, the perceptibility of the optically variable security feature substantially non-influencing, soil-repellent radiation-curing first lacquer in the region of the anti-counterfeiting surrounding partial surface of the substrate optionally partially overlaps, and either (a) based on a physically drying, water-based dispersion varnish, which may optionally contain crosslinking agent, and having a matt impression after drying, in particular a gloss of less than 20 gloss units, preferably less than 15 gloss units at 60 °, measured by means of gloss meters according to DIN 67530, or (b) are based on a UV-crosslinking lacquer which has a matt impression after crosslinking, in particular a gloss of less than 20 gloss units, preferably less than 15 gloss units at 60 °, measured by means of gloss meters according to DIN 67530.
- the soil-repellent second paint is based on a physically drying, water-based dispersion paint which cures by removal of the dispersant and which is an aqueous dispersion of a polyacrylic resin and / or a polyurethane resin.
- a second aspect of the invention relates to a document of value, such as a banknote, a passport, a document of identification or the like, with a security paper according to the first aspect of the invention, wherein the substrate is located on its surface outside the counterfeiting device, in particular in the case of the presence of the optionally existing dirt-repellent second paint or the optionally present water-based primer layer on the surface of the same or the same, is printed with signs or patterns.
- the substrate is provided with a water-based primer layer on its surface lying outside the counterfeiting protection means, which comprises the said dirt-repellent radiation-curing first varnish, which does not substantially influence the perceptibility of the optically variable security feature, in the area surrounding the counterfeiting means
- the substrate may be partially overlapped (or the primer layer is spaced from the first resist, or the primer layer is over the entire area and the counterfeit protection agent is disposed on the primer layer), wherein the primer layer is printed with indicia and the primer layer is coated with a UV- capping layer.
- crosslinking third paint is provided, which protects the substrate from physical and chemical influences.
- the UV-crosslinked third varnish may also contain characters or patterns are printed (eg a number can be printed).
- a third aspect of the invention relates to a method according to claim 8.
- the tamper-evident means be in the form of a security strip, a security thread or a patch.
- the radiation-curing first lacquer is a UV-curing lacquer which is high-gloss after crosslinking.
- the method preferably comprises the additional step of applying a water-based primer layer to the surface of the substrate external to the anti-counterfeiting agent in such a way that the said, the perceptibility of the optically variable security feature substantially not influencing, dirt-repellent radiation-curing first lacquer in the region of the anti-counterfeiting surrounding part surface of the substrate is optionally partially overlapped by the water-based primer layer.
- the primer layer may, according to an alternative, be arranged spaced apart from the tamper-evident means (so that there is no overlapping arrangement with respect to the first lacquer).
- the primer layer can be applied over the whole area in a first step and the counterfeit protection means (eg a patch or a strip) can be arranged in a second step above the primer layer.
- the method may alternatively, according to another preferred embodiment, comprise the additional step of applying a soil-repellent second paint to the surface of the substrate lying outside the anti-counterfeiting agent, in such a way that the said, substantially not influencing the perceptibility of the optically variable security feature, Dirt-repellent radiation-curing first lacquer in the region of the counterfeiting agent surrounding partial surface of the substrate is optionally partially overlapped by the dirt-repellent second lacquer, wherein the dirt-repellent second lacquer either (a) based on a physically drying, water-based dispersion varnish, which may optionally contain crosslinking agent, and having a matt impression after drying, in particular a gloss of less than 20 gloss units, preferably less than 15 gloss units at 60 °, measured by means of gloss meters according to DIN 67530, or (b) it is based on a UV-crosslinking varnish which has a matt impression after crosslinking, in particular a gloss of less than 20 gloss units, preferably less than 15 gloss units at
- the soil-repellent second paint is based on a physically drying, water-based dispersion paint which cures by removal of the dispersant and which is an aqueous dispersion of a polyacrylic resin and / or a polyurethane resin.
- a fourth aspect of the invention relates to a method of manufacturing a value document, such as a banknote, a passport, a passport document or the like the provision of a security paper according to the first aspect of the invention, and the printing of the surface of the substrate lying outside the counterfeiting protection means, in particular in the case of the presence of the optionally present dirt-repelling second varnish or the possibly present water-based primer layer, the printing of the surface of the same or the same, with signs or patterns.
- a value document such as a banknote, a passport, a passport document or the like the provision of a security paper according to the first aspect of the invention, and the printing of the surface of the substrate lying outside the counterfeiting protection means, in particular in the case of the presence of the optionally present dirt-repelling second varnish or the possibly present water-based primer layer, the printing of the surface of the same or the same, with signs or patterns.
- the method preferably comprises providing the security paper with the water-based primer layer described above, printing the surface of the water-based primer layer with characters or patterns, and in a further step, providing the printed primer layer with a UV-crosslinking third lacquer forming a cover layer which protects the substrate from physical and chemical influences.
- the invention is based on the finding that the resistance to fouling of an optically variable counterfeiting agent can be substantially improved by application of a radiation-curing, high-gloss lacquer after crosslinking in a small layer thickness of 0.7 to 2 ⁇ m, preferably 0.7 to 1.5 ⁇ m, without noticeably deteriorating the optical effect of the counterfeiting agent, in particular the light / dark contrast, the image sharpness and the magnification and movement effect.
- a varnish can be obtained from a UV-crosslinking varnish which contains no matting agents and, as a result of its varnish composition, has only a very slight scattering after drying and thus only a very slight matting.
- matting agent refers to " Römpp-Lexikon Lacke und Druckmaschine ", Georg Thieme Verlag, 1998 , Substances that affect the surface of a coating so that their gloss level decreases. Matting agents may be of inorganic or organic origin.
- the former class includes, for example, amorphous preparations based on silicic acid or silicate, the latter including Al, Zn, Ca or Mg stearates and compounds of similar construction and finally products of a waxy type, eg micronized polypropylene waxes.
- Inorganic matting agents usually have an average particle size of 0.5 to 20 microns.
- Organic matting agents usually have a mean particle size of 0.04 to 10 microns.
- the term "matting agent" Silicic or silicate-based amorphous preparations, Al, Zn, Ca or Mg stearates, wax-type products or similar inorganic or organic substances which the degree of gloss of the radiation-cured first varnish to the same extent as reduce the substances mentioned.
- the measurement of the degree of gloss for example on the basis of devices of the reflectometer type, is known to the person skilled in the art (see, for example, the gloss measurement according to DIN 67530 at a measuring angle of 60 °).
- the radiation-curing "first" lacquer may in particular be a UV-curing lacquer, which may be free-radically or cationically crosslinking UV lacquers.
- the UV-crosslinking lacquer preferably has at least one monomeric acrylate (mono-, di-, tri- and / or tetrameric acrylate) and optionally additives or processing aids, such as defoamers, dispersing agents, UV curing accelerators, viscosity modifiers, leveling agents and stabilizers ,
- the radiation-curing lacquer may consist of a lacquer based on an acrylate mixture, preference being given to an acrylate mixture obtained by reacting at least one intermediate molecular weight prepolymeric acrylate of e.g.
- UV curing e.g. UV rays in a range of 200 to 400 nm.
- the radiation-curing "first" coating may in particular be based on mixtures of mono- and / or difunctional monomeric acrylates, prepolymeric acrylates, and tri- and / or tetrafunctional monomeric acrylates.
- prepolymeric acrylates for example, polyester acrylates, urethane acrylates, Acrylacrylacrylates and / or methacrylacrylates, oligoester acrylates, epoxy acrylates, and / or mixtures of two or more of these prepolymeric acrylates are used.
- composition of the radiation-curing first coating is listed below:
- Composition 1 is a composition of Composition 1:
- polyester acrylate prepolymer (“Laromer PE 55 F” from BASF) 10% by weight of trimethylolpropane triacrylate (“Laromer TMPTA” from BASF) 20% by weight of hexanediol diacrylate (“Laromer HDDA from BASF) 5% by weight of photoinitiator (“Darocure 1173" from CIBA) 3% by weight of reactive amine additive for accelerating UV curing (“Ebecryl P 115”) 0.5% by weight defoamer (“coatosil”)
- the radiation-curing first coating can be applied as a spot coating in the flexo, offset or high-pressure process.
- the application can be made in the paper mill or in the printing house.
- the viscosity of the radiation-curing lacquer in a range of 30 to 150 sec, in particular 30 to 80 sec, flow time according to DIN 4 CUP cup at 20 ° C.
- the anti-fouling agent based on a carrier film can be in the form of a security strip, a security thread or in the form of a label or patch, for example.
- the optically variable security feature with which the counterfeit security device is provided is based in particular on lens systems (see, for example, the publications EP 0 238 043 A2 and DE 36 09 090 A1 ) or microvoided mirror arrays (see eg DE 10 2009 035 361 A1 ).
- the forgery-proofing means can be visually recognizable to the observer completely or only partially.
- An example of an only partially visually recognizable counterfeit security device is a window security thread (eg a microlens thread), which emerges in window areas on the surface of a banknote, while it is embedded in the intervening web areas inside the banknote (see, eg Fig. 1 of the WO 2004/097112 A1 ).
- the dirt-repellent radiation-curing first lacquer is not applied in register over the anti-counterfeiting agent, but the lacquer also covers a part of the security paper substrate which surrounds the anti-counterfeiting agent and forms, as it were, an edge region for the anti-counterfeiting means (the phrase "surrounding the anti-counterfeiting agent Part surface "used herein is representative of the peripheral area).
- the anti-counterfeiting agent may be surrounded all around by the first varnish, such as in the case of a patch-shaped anti-counterfeiting agent.
- the tamper-evident means is surrounded on two sides by the first lacquer, ie the tamper-evident means and two elongated partial surfaces of the substrate adjacent to the tamper-evident means are provided with the first lacquer ,
- the partial surface of the substrate surrounding the anti-counterfeiting agent, ie the edge region can in particular have a width of 0.3 to 10 mm, preferably 1 to 5 mm, measured from the outer edge of the counterfeiting protection device to the outer edge of the adjacent partial surface of the substrate.
- the security paper substrate on its surface lying outside the counterfeiting protection means with a conventional dirt-repellent second paint, which the dirt-repellent radiation-curing first paint in the partially overlaps the anti-counterfeiting agent surrounding partial surface of the substrate. In the absence of overlap, there is a risk of uncoated areas that lead to visible dirt edges in circulation.
- the second varnish may be based on a physically drying, water-based dispersion varnish, which may optionally contain crosslinking agent and has a matt impression after drying, in particular a gloss of less than 20 gloss units, preferably less than 15 gloss units at 60 °, measured by means of gloss meters according to DIN 67530 , (see for example the publications WO 00/00697 . EP 0 815 321 B1 and EP 1338 430 A1 ), or on a UV-crosslinking paint, which has a matt impression after crosslinking, in particular a gloss of less than 20 gloss units, preferably less than 15 gloss units at 60 °, measured by means of gloss meters according to DIN 67530, having.
- the paint may in particular contain matting agents. The presence of a matting agent improves the printability of the substrate.
- the lacquer components described above with reference to the first lacquer are suitable.
- aqueous dispersions based on a polyacrylic resin and / or a polyurethane resin are preferred.
- the paint can be based in particular on a one-component polyurethane system or one-component polyacrylate system with pre-crosslinked polyurethane or polyacrylate. But it can also be used blocked polyurethane having chemically bonded to the polymer chains isocyanate groups. The isocyanate groups can be regenerated at elevated temperatures, which are generally used in the security printing process. Two-component polyurethane systems or polyacrylate systems crosslinkable by using multifunctional reagents such as melamine / formaldehyde precondensates may also be used.
- the polyurethane may in particular be of the aliphatic polyester type and / or of the aliphatic polyether type. It is also possible to use aliphatic polycarbonate polyurethane.
- the polyacrylate may generally be, for example, of the aromatic type, such as a styrene / acrylic copolymer. Mixtures of a polyurethane and a polyacrylate can be used, for example, in a weight ratio of 90:10 to 10:90, preferably 75:25 to 25:75.
- the physically drying aqueous dispersions may contain additional ingredients such as catalysts, co-solvents, dispersing aids, defoamers, viscosity modifiers, extenders, fluorescent and / or iridescent additives and / or surfactants.
- a typical physically drying aqueous dispersion comprises, for example, a polyurethane of the aliphatic polyester or aliphatic polyether type having a polyurethane content of from 2 to 70% by weight, preferably from 5 to 30% by weight.
- the second lacquer may preferably be applied to the security paper by means of the flexographic printing process.
- the coating layer is expediently applied in a coating amount of 1 to 8 g / m 2 .
- Examples of physically drying compositions of the second paint are listed below, wherein matting agents are additionally present (for example in an amount of from 1 to 20% by weight, based on the aqueous dispersion):
- Composition 2 is a composition of Composition 2:
- Composition 3 is a composition of Composition 3:
- Composition 4 is a composition having Composition 4:
- the security paper in the course of producing a value document, is printed with characters or patterns on the surface of the substrate which is located outside the counterfeit security device.
- a printed image can be printed on the second paint.
- the security paper substrate may be provided according to a further, alternative preferred embodiment on its lying outside the counterfeit security agent surface with a water-based primer layer, the dirt-repellent radiation-curing first paint in the area If necessary, partially overlapping the partial surface of the substrate surrounding the anti-counterfeiting device.
- the primer layer may, according to an alternative, be arranged at a distance from the counterfeit protection means (so that there is no overlapping arrangement with respect to the first varnish).
- the primer layer can be present over the entire surface and the counterfeit protection means (for example a patch or a strip) can be arranged above the primer layer.
- the primer layer serves as an adhesion promoter between the substrate and one or more layers or layers arranged above the primer layer.
- the primer layer has a barrier to liquids.
- the water-based primer layer can be provided with a UV-crosslinking lacquer (the "third" lacquer) forming a cover layer.
- the water-based primer layer and / or the UV-crosslinked topcoat can be printed with a printed pattern in the form of characters and / or patterns.
- Suitable water-based primer layers are known in the art (see for example the EP 1 595 029 B1 , under WO 2004/07 23 78 A1 released). It is in particular a physically drying lacquer layer which makes contact with the underlying substrate and closes its pores.
- the primer layer can be formed, for example, by a water-based dispersion lacquer layer. It is expediently applied to the substrate in such a layer thickness that it forms a smooth and coherent layer on the substrate.
- the lacquer layer is elastic, so that cracking in the lacquer layer by mechanical movements or sources of the fiber, eg by moisture absorption, are avoided. This has the advantage that the haptic typical for banknotes, ie the bending stiffness and the sound, is retained longer under stress.
- the elastic paints comprise polyurethane systems which give the paint its elasticity.
- polyurethane systems which give the paint its elasticity.
- these are, for example, water-based dispersions of aliphatic polyester-polyurethanes, aliphatic polyether-polyurethanes or acrylic-styrene-polyurethanes.
- the amount of coating required depends, inter alia, on the lacquer used, the substrate material used and its roughness and pore size and number of pores.
- the primer layer is present in a coating weight of 1 to 8 g / m 2 , preferably 2 to 6 g / m 2 on the substrate (wet weight). In any case, the layer thicknesses must be sufficient to close the irregular depressions and pores of the sheet substrate.
- the aqueous primer layer may optionally contain crosslinking agents, eg aziridine.
- Suitable UV-crosslinking lacquer layers with high physical and chemical resistance are known in the art (see, for example, US Pat EP 1 595 029 B1 ).
- the paint may contain, in particular matting agents (eg 10 to 15 wt .-%).
- matting agents eg 10 to 15 wt .-%).
- the paint components of the UV-crosslinking third paint for example, the paint components described above with respect to the first paint are suitable. It is preferred that the UV-crosslinking third lacquer has silicones and / or waxes for improving the dirt-repellent properties.
- cationic crosslinking lacquer systems are also suitable.
- the third lacquer may be present in particular on the substrate in a coating weight of 0.5 to 3 g / m 2 , preferably of 1 to 2 g / m 2 . This corresponds to about 1 to 2 g / m 2 of the preferred range in the uncrosslinked state because UV systems are so-called "100% systems" (ie, 100% solids).
- UV crosslinking third varnish may be e.g. based on the above-described "Composition 1", wherein matting agents are mixed in a proportion of 10 to 15 wt .-%.
- Partial application of the first lacquer in the area of the anti-counterfeiting agent in the paper machine in front of the cross cutter Applying the water-based primer layer in the areas outside the anti-counterfeiting agent, so that the primer layer partially overlaps the first paint.
- a final spot coating with the third lacquer takes place as a dirt-repellent coating so that the third lacquer covers the water-based primer layer.
- Banknote papers are typically made from fibers of annual plants, especially cotton fibers or pulp fibers, but papers which are at least partially made of plastic fibers, preferably polyamide fibers or polyester fibers, may also be used. More preferably, a cotton paper is used as a security paper substrate.
- the basis weight of the substrate varies depending on the application form. Typical basis weights are in the range of 50 g / m 2 to 100 g / m 2 , preferably in the range of 60 g / m 2 to 90 g / m 2 , more preferably about 70 g / m 2 .
- the individual paper layers may consist of the same or different types of paper.
- a paper layer may be a pure cotton paper, while another paper layer may comprise plastic fibers.
- multi-layered Paper / foil composites are used, such as a paper / foil / paper composite or a foil / paper / foil composite.
- the production preferably takes place by means of a rotary screening machine.
- Fig. 1 shows a schematic representation of a security paper 1, which is provided with an embedded window security thread 2 and a glued patch-shaped security element 3.
- the security paper 1 also has the denomination "100" in the form of a watermark.
- the window security thread 2 in the present case a microlens thread
- the security element 3 in the present case, a micro-optical representation arrangement with microstructures and micro hollow mirror arrays for enlarged imaging of the microstructures
- the windowed security thread 2 shown in dashed lines appears on the window areas 4 on the surface of the security paper 1, while it is embedded in the interior of the security paper 1 at the intervening web areas.
- the patch-shaped security element 3 and the window security thread 2 are each provided with a perceptibility of the optically variable effect substantially not influencing, dirt-repellent radiation-curing first paint.
- the first lacquer is a UV lacquer based on composition 1 described above and is applied to the security paper in flexographic printing or offset printing processes in areas 5 and II.
- the first varnish is not applied register-exactly above the counterfeiting protection means 2 and 3, but the varnish also covers adjacent parts of the security-paper substrate which surround the counterfeit-protection means 2 and 3 and so to speak form edge regions for the counterfeit-protection means 2 and 3.
- the layer thickness of the first coating is 1.5 ⁇ m in the present example.
- the security paper 1 is at its outside of the counterfeiting protection means 2 and 3 lying surface over the entire surface with a dirt repellent second paint provided, which partially overlaps the first UV varnish in the area surrounding the anti-counterfeiting means 2 and 3 partial surfaces of the substrate.
- the soil-repellent second paint is based on a preferably by flexographic printing, physically drying aqueous dispersion paint according to the composition 2 described above.
- Fig. 2a shows the enlarged section II of Fig. 1 in plan view.
- the window security thread 2 protrudes at the window areas 4 on the surface of the security paper while being embedded at the intermediate land areas inside the security paper.
- the security thread is introduced into the paper during papermaking by means of the wobble technique known in the prior art.
- wobble here denotes a periodic variation of the security thread when embedding in the paper of several millimeters perpendicular to the thread direction, so that certain wobble zones 6 are formed, within which the security thread comes to rest.
- the window security thread 2 and the window security thread 2 surrounding part surface of the substrate are to extend the life and the fitness for circulation with the above-described, the perceptibility of the optically variable security feature substantially not influencing, dirt-repellent radiation-curing first lacquer 7 provided (see Fig. 2b ).
- the security paper 1 has on its outside of the window security thread 2 lying surface on the above-described dirt-repellent second lacquer 8, which partially overlaps the first lacquer 7 in the area surrounding the window security thread 2 partial surface of the substrate.
- the overlapping areas are designated by reference numeral 9 (see Fig. 2c ).
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Description
Die Erfindung betrifft ein Sicherheitspapier zur Herstellung von Wertdokumenten, wie Banknoten, Pässe, Ausweisdokumente oder dergleichen, mit einem flächigen Substrat, das an mindestens einer Oberfläche mit mindestens einem Fälschungssicherungsmittel ausgestattet ist, wobei das Fälschungssicherungsmittel zur Verlängerung der Lebensdauer und der Umlauffähigkeit mit einem Lack versehen ist. Die Erfindung betrifft des Weiteren ein Wertdokument mit einem solchen Sicherheitspapier und Verfahren zum Herstellen des Sicherheitspapiers und des Wertdokuments.The invention relates to a security paper for the production of value documents, such as banknotes, passports, identity documents or the like, with a flat substrate, which is provided on at least one surface with at least one tamper-evident means, wherein the tamper-evident means to extend the life and fitness provided with a paint is. The invention further relates to a value document with such a security paper and method for producing the security paper and the value document.
Wertdokumente, wie beispielsweise Banknoten, Aktien, Anleihen, Urkunden, Gutscheine, Schecks, hochwertige Eintrittskarten, aber auch andere fälschungsgefährdete Papiere, wie Pässe oder sonstige Ausweisdokumente, werden zur Absicherung oft mit Fälschungssicherungsmitteln versehen, die eine Überprüfung der Echtheit des Wertdokuments gestatten und die zugleich als Schutz vor unerlaubter Reproduktion dienen. Die Fälschungssicherungsmittel können beispielsweise in Form eines in eine Banknote ganz oder teilweise eingebetteten Sicherheitsfadens oder in Form eines auf die Banknote aufgebrachten Sicherheitsstreifens oder eines Patch vorliegen.Security documents, such as banknotes, stocks, bonds, certificates, vouchers, checks, high-quality admission tickets, but also other forgery-prone papers, such as passports or other identity documents, are often provided with counterfeit securities for verification, which allow a verification of the authenticity of the value document and at the same time serve as protection against unauthorized reproduction. The tamper-evident means may for example be in the form of a security thread completely or partially embedded in a banknote or in the form of a security strip or patch applied to the banknote.
In den letzten Jahren haben sich Fälschungssicherungsmittel, insbesondere Sicherheitsfäden, mit optisch variablen Sicherheitsmerkmalen auf dem Banknotenmarkt etabliert. Optisch variable Sicherheitsmerkmale vermitteln dem Betrachter unter unterschiedlichen Betrachtungswinkeln einen unterschiedlichen Bildeindruck. Die Sicherheitsmerkmale können dabei in Form von beugungsoptisch wirksamen Mikro- oder Nanostrukturen vorliegen, wie etwa im Falle von konventionellen Prägehologrammen oder anderen hologrammähnlichen Beugungsstrukturen (siehe z.B. die Druckschriften
Es ist auch bekannt, Linsensysteme als Sicherheitsmerkmale einzusetzen. So ist beispielsweise in der Druckschrift
Seit einiger Zeit werden auch sogenannte Moiré-Vergrößerungsanordnungen als Sicherheitsmerkmale eingesetzt. Eine derartige Moire-Vergrößerungsanordnung ist in der Druckschrift
Es ist auch bekannt, optisch variable Sicherheitsmerkmale auf Basis von periodischen oder aperiodischen Sägezahngittern einzusetzen (siehe z.B. die
Zur Verlängerung der Lebensdauer und Umlauffähigkeit können Wertpapiere mit einer Schmutz-abweisenden Schutzschicht versehen werden. Beispielsweise wird in der Druckschrift
Optisch variable Fälschungssicherungsmittel, insbesondere Sicherheitselemente mit einer mikrooptischen Darstellungsanordnung mit Mikrostrukturen sowie Mikroabbildungselementen zur vergrößerten Abbildung der Mikrostrukturen, z.B. Mikrolinsen- oder Mikrohohlspiegelarrays, können infolge einer möglichen Beeinträchtigung des optischen Effekts nicht mit einer Schmutz-abweisenden Schutzschicht versehen werden. Das partielle Aufbringen einer Schmutz-abweisenden Schutzschicht auf einen mit einem optisch variablen Fälschungssicherungsmittel ausgestatteten Geldschein dergestalt, dass die Schutzschicht im Bereich des Fälschungssicherungsmittels eine Aussparung aufweist, führt im Umlauf zu störenden Schmutzflecken im Bereich der Aussparung (insbesondere bei einem Fensterfaden).Optically variable counterfeit protection means, in particular security elements with a microoptical representation arrangement with microstructures and microimage elements for enlarged imaging of the microstructures, for example microlens or micro hollow mirror arrays, can not be provided with a dirt-repellent protective layer as a result of a possible impairment of the optical effect. The partial application of a soil-repellent protective layer to a bill equipped with an optically variable counterfeit security device, The fact that the protective layer has a recess in the area of the anti-counterfeiting means leads to disturbing dirt spots in the region of the recess (in particular in the case of a window thread).
Davon ausgehend liegt der Erfindung die Aufgabe zugrunde, die Nachteile des Standes der Technik zu vermeiden und insbesondere ein Sicherheitspapier anzugeben, das im Bereich des optisch variablen Fälschungssicherungsmittels eine verbesserte Schmutzabweisung aufweist und zugleich ein attraktives visuelles Erscheinungsbild des Fälschungssicherungsmittels gewährleistet.Based on this, the object of the invention is to avoid the disadvantages of the prior art and, in particular, to provide a security paper which has improved soil repellency in the area of the optically variable counterfeiting device and at the same time ensures an attractive visual appearance of the counterfeiting device.
Diese Aufgabe wird durch die in den unabhängigen Ansprüchen definierten Merkmalskombinationen gelöst. Weiterbildungen der Erfindung sind Gegenstand der Unteransprüche.This object is achieved by the feature combinations defined in the independent claims. Further developments of the invention are the subject of the dependent claims.
Ein erster Aspekt der Erfindung betrifft ein Sicherheitspapier gemäß Anspruch 1.A first aspect of the invention relates to a security paper according to claim 1.
Der erste Lack kann insbesondere einen die Wahrnehmbarkeit des optisch variablen Sicherheitsmerkmals im Wesentlichen nicht beeinflussenden, zusätzlichen Merkmalsstoff, insbesondere Lumineszenzstoff, enthalten. Als Lumineszenzstoff eignen sich z.B. nanoskalige Lumineszenzstoffe. Der Lumineszenzstoff kann z.B. im UV-Bereich detektierbar sein. Insbesondere kann der mit einem Lumineszenzstoff versehene erste Lack zumindest an seinen Rändern zumindest teilweise ein besonderes Design bzw. Muster aufweisen.In particular, the first lacquer may contain an additional feature substance, in particular luminescent substance, which does not substantially influence the perceptibility of the optically variable security feature. As the luminescent substance, e.g. nanoscale luminescent substances. The luminescent substance may e.g. be detectable in the UV range. In particular, the first lacquer provided with a luminescent substance may at least partially have a special design or pattern at least at its edges.
Das Fälschungssicherungsmittel kann insbesondere in Form eines Sicherheitsstreifens, eines Sicherheitsfadens (z.B. eines Fensterfadens) oder eines Patch vorliegen.The tamper-evident means may in particular be in the form of a security strip, a security thread (for example a window thread) or a patch.
Der strahlenhärtende erste Lack ist vorzugsweise ein UV-vernetzender Lack, der nach der Vernetzung hochglänzend ist, d.h. nur eine sehr geringe Streuung und damit nur eine sehr geringe Mattierung aufweist. Ein solcher vernetzter UV-Lack kann aus einem UV-vernetzenden Lack erhalten werden, der keine Mattierungsmittel enthält und infolge seiner LackZusammensetzung nach der Trocknung nur eine sehr geringe Streuung und damit nur eine sehr geringe Mattierung aufweist.The radiation-curing first lacquer is preferably a UV-curable lacquer which is high-gloss after crosslinking, i. only a very small scattering and thus only a very slight matting. Such a crosslinked UV varnish can be obtained from a UV-crosslinking varnish which contains no dulling agent and, due to its coating composition, has only a very slight scattering after drying and thus only a very slight dulling.
Das Substrat kann an seiner außerhalb des Fälschungssicherungsmittels liegenden Oberfläche mit einer wasserbasierenden Primerschicht versehen sein, die den genannten, die Wahrnehmbarkeit des optisch variablen Sicherheitsmerkmals im Wesentlichen nicht beeinflussenden, Schmutzabweisenden strahlenhärtenden ersten Lack im Bereich der das Fälschungssicherungsmittel umgebenden Teilfläche des Substrats gegebenenfalls teilweise überlappt. Die Primerschicht kann gemäß einer Alternative in Beabstandung zum Fälschungssicherungsmittel angeordnet sein (so dass keine überlappende Anordnung bezogen auf den ersten Lack vorliegt). Die Primerschicht kann gemäß einer weiteren Alternative vollflächig vorliegen und das Fälschungssicherungsmittel (z.B. ein Patch oder ein Streifen) oberhalb der Primerschicht angeordnet sein. Die Primerschicht kann gegebenenfalls mit einem eine Deckschicht bildenden UV-vernetzenden Lack versehen sein, der das Substrat vor physikalischen und chemischen Einflüssen schützt.The substrate may be provided with a water-based primer layer on its surface lying outside of the counterfeiting protection means, said layers having said dirt-repellent properties which do not substantially affect the perceptibility of the optically variable security feature optionally partially overlaps radiation-curing first lacquer in the region of the partial surface of the substrate surrounding the anti-counterfeiting agent. The primer layer may, according to an alternative, be arranged at a distance from the counterfeit protection means (so that there is no overlapping arrangement with respect to the first varnish). According to a further alternative, the primer layer can be present over the entire surface and the counterfeit protection means (for example a patch or a strip) can be arranged above the primer layer. Optionally, the primer layer can be provided with a UV-crosslinking lacquer forming a cover layer which protects the substrate from physical and chemical influences.
Alternativ kann das Substrat an seiner außerhalb des Fälschungssicherungsmittels liegenden Oberfläche mit einem Schmutz-abweisenden zweiten Lack versehen sein, der
den genannten, die Wahrnehmbarkeit des optisch variablen Sicherheitsmerkmals im Wesentlichen nicht beeinflussenden, Schmutzabweisenden strahlenhärtenden ersten Lack im Bereich der das Fälschungssicherungsmittel umgebenden Teilfläche des Substrats gegebenenfalls teilweise überlappt, und
entweder (a) auf einem physikalisch trocknenden, wasserbasierenden Dispersionslack beruht, der gegebenenfalls Vernetzungsmittel enthalten kann, und nach dem Trocknen einen Matteindruck aufweist, insbesondere einen Glanz von weniger als 20 Glanzeinheiten, bevorzugt weniger als 15 Glanzeinheiten bei 60°, gemessen mittels Glanzmessgeräten nach DIN 67530, aufweist,
oder (b) auf einem UV-vernetzenden Lack beruhen, der nach der Vernetzung einen Matteindruck aufweist, insbesondere einen Glanz von weniger als 20 Glanzeinheiten, bevorzugt weniger als 15 Glanzeinheiten bei 60°, gemessen mittels Glanzmessgeräten nach DIN 67530, aufweist.Alternatively, the substrate may be provided with a dirt-repellent second lacquer on its surface lying outside the anti-counterfeiting agent
the mentioned, the perceptibility of the optically variable security feature substantially non-influencing, soil-repellent radiation-curing first lacquer in the region of the anti-counterfeiting surrounding partial surface of the substrate optionally partially overlaps, and
either (a) based on a physically drying, water-based dispersion varnish, which may optionally contain crosslinking agent, and having a matt impression after drying, in particular a gloss of less than 20 gloss units, preferably less than 15 gloss units at 60 °, measured by means of gloss meters according to DIN 67530,
or (b) are based on a UV-crosslinking lacquer which has a matt impression after crosslinking, in particular a gloss of less than 20 gloss units, preferably less than 15 gloss units at 60 °, measured by means of gloss meters according to DIN 67530.
Es wird bevorzugt, dass der Schmutz-abweisende zweite Lack auf einem physikalisch trocknenden, wasserbasierenden Dispersionslack beruht, der durch Entfernen des Dispersionsmittels aushärtet und eine wässrige Dispersion eines Polyacrylharzes und/oder eines Polyurethanharzes ist.It is preferred that the soil-repellent second paint is based on a physically drying, water-based dispersion paint which cures by removal of the dispersant and which is an aqueous dispersion of a polyacrylic resin and / or a polyurethane resin.
Ein zweiter Aspekt der Erfindung betrifft ein Wertdokument, wie etwa eine Banknote, ein Pass, ein Ausweisdokument oder dergleichen, mit einem Sicherheitspapier gemäß dem ersten Aspekt der Erfindung, wobei das Substrat an seiner außerhalb des Fälschungssicherungsmittels liegenden Oberfläche, insbesondere im Falle des Vorhandenseins des gegebenenfalls vorhandenen Schmutz-abweisenden zweiten Lacks oder der gegebenenfalls vorhandenen wasserbasierenden Primerschicht an der Oberfläche desselben bzw. derselben, mit Zeichen oder Mustern bedruckt ist.A second aspect of the invention relates to a document of value, such as a banknote, a passport, a document of identification or the like, with a security paper according to the first aspect of the invention, wherein the substrate is located on its surface outside the counterfeiting device, in particular in the case of the presence of the optionally existing dirt-repellent second paint or the optionally present water-based primer layer on the surface of the same or the same, is printed with signs or patterns.
Es wird bevorzugt, dass das Substrat an seiner außerhalb des Fälschungssicherungsmittels liegenden Oberfläche mit einer wasserbasierenden Primerschicht versehen ist, die den genannten, die Wahrnehmbarkeit des optisch variablen Sicherheitsmerkmals im Wesentlichen nicht beeinflussenden, Schmutz-abweisenden strahlenhärtenden ersten Lack im Bereich der das Fälschungssicherungsmittel umgebenden Teilfläche des Substrats gegebenenfalls teilweise überlappt (oder die Primerschicht ist beabstandet zum ersten Lack angeordnet, oder die Primerschicht liegt vollflächig vor und das Fälschungssicherungsmittel ist auf der Primerschicht angeordnet), wobei die Primerschicht mit Zeichen oder Mustern bedruckt ist und die Primerschicht mit einem eine Deckschicht bildenden UV-vernetzenden dritten Lack versehen ist, der das Substrat vor physikalischen und chemischen Einflüssen schützt. Der UV-vernetzte dritte Lack kann gegebenenfalls auch mit Zeichen oder Mustern bedruckt werden (z.B. kann eine Zifferung aufgedruckt werden).It is preferred that the substrate is provided with a water-based primer layer on its surface lying outside the counterfeiting protection means, which comprises the said dirt-repellent radiation-curing first varnish, which does not substantially influence the perceptibility of the optically variable security feature, in the area surrounding the counterfeiting means The substrate may be partially overlapped (or the primer layer is spaced from the first resist, or the primer layer is over the entire area and the counterfeit protection agent is disposed on the primer layer), wherein the primer layer is printed with indicia and the primer layer is coated with a UV- capping layer. crosslinking third paint is provided, which protects the substrate from physical and chemical influences. The UV-crosslinked third varnish may also contain characters or patterns are printed (eg a number can be printed).
Ein dritter Aspekt der Erfindung betrifft ein Verfahren gemäß Anspruch 8.A third aspect of the invention relates to a method according to
Es wird bevorzugt, dass das Fälschungssicherungsmittel in Form eines Sicherheitsstreifens, eines Sicherheitsfadens oder eines Patch vorliegt.It is preferred that the tamper-evident means be in the form of a security strip, a security thread or a patch.
Es wird bevorzugt, dass der strahlenhärtende erste Lack ein UV-vernetzender Lack ist, der nach der Vernetzung hochglänzend ist.It is preferred that the radiation-curing first lacquer is a UV-curing lacquer which is high-gloss after crosslinking.
Das Verfahren umfasst bevorzugt denn zusätzlichen Schritt des Aufbringens einer wasserbasierenden Primerschicht auf die außerhalb des Fälschungssicherungsmittels liegende Oberfläche des Substrats auf solche Weise, dass der genannte, die Wahrnehmbarkeit des optisch variablen Sicherheitsmerkmals im Wesentlichen nicht beeinflussende, Schmutz-abweisende strahlenhärtende erste Lack im Bereich der das Fälschungssicherungsmittel umgebenden Teilfläche des Substrats gegebenenfalls teilweise von der wasserbasierenden Primerschicht überlappt wird. Die Primerschicht kann gemäß einer Alternative in Beabstandung zum Fälschungssicherungsmittel angeordnet werden (so dass keine überlappende Anordnung bezogen auf den ersten Lack vorliegt). Die Primerschicht kann gemäß einer weiteren Alternative in einem ersten Schritt vollflächig aufgebracht werden und das Fälschungssicherungsmittel (z.B. ein Patch oder ein Streifen) in einem zweiten Schritt oberhalb der Primerschicht angeordnet werden.The method preferably comprises the additional step of applying a water-based primer layer to the surface of the substrate external to the anti-counterfeiting agent in such a way that the said, the perceptibility of the optically variable security feature substantially not influencing, dirt-repellent radiation-curing first lacquer in the region of the anti-counterfeiting surrounding part surface of the substrate is optionally partially overlapped by the water-based primer layer. The primer layer may, according to an alternative, be arranged spaced apart from the tamper-evident means (so that there is no overlapping arrangement with respect to the first lacquer). According to a further alternative, the primer layer can be applied over the whole area in a first step and the counterfeit protection means (eg a patch or a strip) can be arranged in a second step above the primer layer.
Das Verfahren kann alternativ, gemäß einer weiteren bevorzugten Ausführungsform, den zusätzlichen Schritt des Aufbringens eines Schmutzabweisenden zweiten Lacks auf die außerhalb des Fälschungssicherungsmittels liegende Oberfläche des Substrats umfassen, auf solche Weise, dass der genannte, die Wahrnehmbarkeit des optisch variablen Sicherheitsmerkmals im Wesentlichen nicht beeinflussende, Schmutz-abweisende strahlenhärtende erste Lack im Bereich der das Fälschungssicherungsmittel umgebenden Teilfläche des Substrats gegebenenfalls teilweise von dem Schmutzabweisenden zweiten Lack überlappt wird, wobei der Schmutz-abweisende zweite Lack
entweder (a) auf einem physikalisch trocknenden, wasserbasierenden Dispersionslack beruht, der gegebenenfalls Vernetzungsmittel enthalten kann, und nach dem Trocknen einen Matteindruck aufweist, insbesondere einen Glanz von weniger als 20 Glanzeinheiten, bevorzugt weniger als 15 Glanzeinheiten bei 60°, gemessen mittels Glanzmessgeräten nach DIN 67530, aufweist,
oder (b) auf einem UV-vernetzenden Lack beruht, der nach der Vernetzung einen Matteindruck aufweist, insbesondere einen Glanz von weniger als 20 Glanzeinheiten, bevorzugt weniger als 15 Glanzeinheiten bei 60°, gemessen mittels Glanzmessgeräten nach DIN 67530, aufweist.The method may alternatively, according to another preferred embodiment, comprise the additional step of applying a soil-repellent second paint to the surface of the substrate lying outside the anti-counterfeiting agent, in such a way that the said, substantially not influencing the perceptibility of the optically variable security feature, Dirt-repellent radiation-curing first lacquer in the region of the counterfeiting agent surrounding partial surface of the substrate is optionally partially overlapped by the dirt-repellent second lacquer, wherein the dirt-repellent second lacquer
either (a) based on a physically drying, water-based dispersion varnish, which may optionally contain crosslinking agent, and having a matt impression after drying, in particular a gloss of less than 20 gloss units, preferably less than 15 gloss units at 60 °, measured by means of gloss meters according to DIN 67530,
or (b) it is based on a UV-crosslinking varnish which has a matt impression after crosslinking, in particular a gloss of less than 20 gloss units, preferably less than 15 gloss units at 60 °, measured by means of gloss meters according to DIN 67530.
Es wird bevorzugt, dass der Schmutz-abweisende zweite Lack auf einem physikalisch trocknenden, wasserbasierenden Dispersionslack beruht, der durch Entfernen des Dispersionsmittels aushärtet und eine wässrige Dispersion eines Polyacrylharzes und/oder eines Polyurethanharzes ist.It is preferred that the soil-repellent second paint is based on a physically drying, water-based dispersion paint which cures by removal of the dispersant and which is an aqueous dispersion of a polyacrylic resin and / or a polyurethane resin.
Ein vierter Aspekt der Erfindung betrifft ein Verfahren zum Herstellen eines Wertdokuments, wie etwa eine Banknote, ein Pass, ein Ausweisdokument oder dergleichen, umfassend
das Bereitstellen eines Sicherheitspapiers gemäß dem ersten Aspekt der Erfindung, und
das Bedrucken der außerhalb des Fälschungssicherungsmittels liegenden Oberfläche des Substrats, insbesondere im Falle des Vorhandenseins des gegebenenfalls vorhandenen Schmutz-abweisenden zweiten Lacks oder der gegebenenfalls vorhandenen wasserbasierenden Primerschicht das Bedrucken der Oberfläche desselben bzw. derselben, mit Zeichen oder Mustern.A fourth aspect of the invention relates to a method of manufacturing a value document, such as a banknote, a passport, a passport document or the like
the provision of a security paper according to the first aspect of the invention, and
the printing of the surface of the substrate lying outside the counterfeiting protection means, in particular in the case of the presence of the optionally present dirt-repelling second varnish or the possibly present water-based primer layer, the printing of the surface of the same or the same, with signs or patterns.
Das Verfahren umfasst bevorzugt
das Bereitstellen des Sicherheitspapiers mit der oben beschriebenen wasserbasierenden Primerschicht,
das Bedrucken der Oberfläche der wasserbasierenden Primerschicht mit Zeichen oder Mustern, und
das Versehen der bedruckten Primerschicht in einem weiteren Schritt mit einem eine Deckschicht bildenden UV-vernetzenden dritten Lack, der das Substrat vor physikalischen und chemischen Einflüssen schützt.The method preferably comprises
providing the security paper with the water-based primer layer described above,
printing the surface of the water-based primer layer with characters or patterns, and
in a further step, providing the printed primer layer with a UV-crosslinking third lacquer forming a cover layer which protects the substrate from physical and chemical influences.
Der Erfindung liegt die Erkenntnis zugrunde, dass die Verschmutzungsbeständigkeit eines optisch variablen Fälschungssicherungsmittels durch Applikation eines strahlenhärtenden, nach Vernetzung hochglänzenden Lacks in einer geringen Schichtdicke von 0,7 bis 2 µm, bevorzugt 0,7 bis 1,5 µm, wesentlich verbessert werden kann, ohne den optischen Effekt des Fälschungssicherungsmittels, insbesondere den Hell-/Dunkelkontrast, die Bildschärfe und den Vergrößerungs- und Bewegungseffekt, erkennbar zu verschlechtern. Ein solcher Lack kann aus einem UV-vernetzenden Lack erhalten werden, der keine Mattierungsmittel enthält und infolge seiner LackZusammensetzung nach der Trocknung nur eine sehr geringe Streuung und damit nur eine sehr geringe Mattierung aufweist.The invention is based on the finding that the resistance to fouling of an optically variable counterfeiting agent can be substantially improved by application of a radiation-curing, high-gloss lacquer after crosslinking in a small layer thickness of 0.7 to 2 μm, preferably 0.7 to 1.5 μm, without noticeably deteriorating the optical effect of the counterfeiting agent, in particular the light / dark contrast, the image sharpness and the magnification and movement effect. Such a varnish can be obtained from a UV-crosslinking varnish which contains no matting agents and, as a result of its varnish composition, has only a very slight scattering after drying and thus only a very slight matting.
Der Begriff Mattierungsmittel bezeichnet gemäß "
Der strahlenhärtende "erste" Lack kann insbesondere ein UV-vernetzender Lack sein, wobei es sich um radikalisch oder kationisch vernetzende UV-Lacke handeln kann. Der UV-vernetzende Lack weist bevorzugt mindestens ein monomeres Acrylat (mono-, di-, tri-und/oder tetrameres Acrylat) sowie gegebenenfalls Zusatzstoffe bzw. Verarbeitungshilfsmittel, wie etwa Entschäumer, Dispergierhilfsmittel, UV-Härtungsbeschleuniger, Viskositätsmodifizierungsmittel, Verlaufsmittel und Stabilisatoren, auf. Der strahlenhärtende Lack kann insbesondere aus einem Lack auf der Basis eines Acrylatgemisches bestehen, wobei ein Acrylatgemisch bevorzugt wird, das durch Umsetzung mindestens eines prepolymeren Acrylates mittleren Molekulargewichtes von z.B. 500 bis 2000 mit dem monomeren Acrylat (mono-, di-, triund/oder tetrameres Acrylat) hergestellt wird, wobei der Lack 100 Gew.-Teile des Acrylatlackes (berechnet ohne Zusatzstoff bzw. Verarbeitungshilfsmittel) und 1 bis 10 Gew.-Teile eines UV-Initiators oder UV-Initiatorgemisches enthält oder aus diesen Bestandteilen besteht. Zur UV-Härtung eignen sich z.B. UV-Strahlen in einem Bereich von 200 bis 400 nm.The radiation-curing "first" lacquer may in particular be a UV-curing lacquer, which may be free-radically or cationically crosslinking UV lacquers. The UV-crosslinking lacquer preferably has at least one monomeric acrylate (mono-, di-, tri- and / or tetrameric acrylate) and optionally additives or processing aids, such as defoamers, dispersing agents, UV curing accelerators, viscosity modifiers, leveling agents and stabilizers , In particular, the radiation-curing lacquer may consist of a lacquer based on an acrylate mixture, preference being given to an acrylate mixture obtained by reacting at least one intermediate molecular weight prepolymeric acrylate of e.g. 500 to 2000 with the monomeric acrylate (mono-, di-, tri- and / or tetrameric acrylate) is produced, wherein the
Der strahlenhärtende "erste" Lack kann insbesondere auf Mischungen von mono- und/oder difunktionalen monomeren Acrylaten, prepolymeren Acrylaten, und tri- und/oder tetrafunktionalen monomeren Acrylaten basieren. Als prepolymere Acrylate können z.B. Polyesteracrylate, Urethanacrylate, Acrylacrylate und/oder Methacrylacrylate, Oligoesteracrylate, Epoxyacrylate, und/oder Mischungen von zwei oder mehreren dieser prepolymeren Acrylate eingesetzt werden.The radiation-curing "first" coating may in particular be based on mixtures of mono- and / or difunctional monomeric acrylates, prepolymeric acrylates, and tri- and / or tetrafunctional monomeric acrylates. As prepolymeric acrylates, for example, polyester acrylates, urethane acrylates, Acrylacrylacrylates and / or methacrylacrylates, oligoester acrylates, epoxy acrylates, and / or mixtures of two or more of these prepolymeric acrylates are used.
Ein Beispiel für die Zusammensetzung des strahlenhärtenden ersten Lacks ist nachstehend aufgeführt:An example of the composition of the radiation-curing first coating is listed below:
61,5 Gew.-% Polyesteracrylat-Prepolymer ("Laromer PE 55 F" der Fa. BASF) 10 Gew.-% Trimethylolpropan-Triacrylat ("Laromer TMPTA" der Fa. BASF) 20 Gew.-% Hexandioldiacrylat ("Laromer HDDA" der Fa. BASF) 5 Gew.-% Photoinitiator ("Darocure 1173" der Fa. CIBA) 3 Gew.-% Reaktives Amin-Additiv zur Beschleunigung der UV-Härtung ("Ebecryl P 115")
0,5 Gew.-% Entschäumer ("Coatosil")61.5% by weight of polyester acrylate prepolymer ("Laromer PE 55 F" from BASF) 10% by weight of trimethylolpropane triacrylate ("Laromer TMPTA" from BASF) 20% by weight of hexanediol diacrylate ("Laromer HDDA from BASF) 5% by weight of photoinitiator ("Darocure 1173" from CIBA) 3% by weight of reactive amine additive for accelerating UV curing ("Ebecryl P 115")
0.5% by weight defoamer ("coatosil")
Der strahlenhärtende erste Lack kann als Spot-Beschichtung im Flexo-, Offset- oder Hochdruckverfahren appliziert werden. Die Applikation kann in der Papierfabrik oder in der Druckerei erfolgen.The radiation-curing first coating can be applied as a spot coating in the flexo, offset or high-pressure process. The application can be made in the paper mill or in the printing house.
Es wird bevorzugt, die Viskosität des strahlenhärtenden Lacks in einem Bereich von 30 bis 150 sec, insbesondere 30 bis 80 sec, Auslaufzeit gemäß DIN 4 CUP-Becher bei 20°C einzustellen.It is preferred to adjust the viscosity of the radiation-curing lacquer in a range of 30 to 150 sec, in particular 30 to 80 sec, flow time according to
Das auf einer Trägerfolie basierende Fälschungssicherungsmittel kann z.B. in Form eines Sicherheitsstreifens, eines Sicherheitsfadens oder in Form eines Etiketts bzw. Patch vorliegen. Das optisch variable Sicherheitsmerkmal, mit dem das Fälschungssicherungsmittel versehen ist, beruht insbesondere auf Linsensystemen (siehe z.B. die Druckschriften
Das Fälschungssicherungsmittel kann für den Betrachter vollständig oder nur bereichsweise visuell erkennbar sein. Ein Beispiel für ein nur bereichsweise visuell erkennbares Fälschungssicherungsmittel ist ein Fenstersicherheitsfaden (z.B. ein Mikrolinsenfaden), der in Fensterbereichen an der Oberfläche einer Banknote hervortritt, während er in den dazwischen liegenden Stegbereichen im Inneren der Banknote eingebettet ist (siehe z.B. die
Aus applikationstechnischen Gründen wird der Schmutz-abweisende strahlenhärtende erste Lack nicht registergenau oberhalb des Fälschungssicherungsmittels appliziert, sondern der Lack überdeckt auch einen Teil des Sicherheitspapier-Substrats, der das Fälschungssicherungsmittel umgibt und sozusagen einen Randbereich für das Fälschungssicherungsmittel bildet (die Formulierung "die das Fälschungssicherungsmittel umgebende Teilfläche", die hierin verwendet wird, steht stellvertretend für den Randbereich). Das Fälschungssicherungsmittel kann rundherum vom ersten Lack umgeben sein, wie z.B. im Falle eines Patch-förmigen Fälschungssicherungsmittels. Im Falle eines Sicherheitsfadens oder -streifens, der von einer Kante der Banknote zur gegenüberliegenden Kante verläuft, wird das Fälschungssicherungsmittel auf zwei Seiten vom ersten Lack umgeben, d.h. das Fälschungssicherungsmittel und zwei längliche, an das Fälschungssicherungsmittel angrenzende Teilflächen des Substrats sind mit dem ersten Lack versehen. Die das Fälschungssicherungsmittel umgebende Teilfläche des Substrats, d.h. der Randbereich, kann insbesondere eine Breite von 0,3 bis 10 mm, bevorzugt 1 bis 5 mm, gemessen vom äußeren Rand des Fälschungssicherungsmittels bis hin zum äußeren Rand der angrenzenden Teilfläche des Substrats, aufweisen.For reasons of application technology, the dirt-repellent radiation-curing first lacquer is not applied in register over the anti-counterfeiting agent, but the lacquer also covers a part of the security paper substrate which surrounds the anti-counterfeiting agent and forms, as it were, an edge region for the anti-counterfeiting means (the phrase "surrounding the anti-counterfeiting agent Part surface "used herein is representative of the peripheral area). The anti-counterfeiting agent may be surrounded all around by the first varnish, such as in the case of a patch-shaped anti-counterfeiting agent. In the case of a security thread or strip extending from one edge of the banknote to the opposite edge, the tamper-evident means is surrounded on two sides by the first lacquer, ie the tamper-evident means and two elongated partial surfaces of the substrate adjacent to the tamper-evident means are provided with the first lacquer , The partial surface of the substrate surrounding the anti-counterfeiting agent, ie the edge region, can in particular have a width of 0.3 to 10 mm, preferably 1 to 5 mm, measured from the outer edge of the counterfeiting protection device to the outer edge of the adjacent partial surface of the substrate.
Im Hinblick auf die Verlängerung der Lebensdauer und der Umlauffähigkeit des Sicherheitspapiers ist es insbesondere vorteilhaft, das Sicherheitspapier-Substrat an seiner außerhalb des Fälschungssicherungsmittels liegenden Oberfläche mit einem konventionellen Schmutz-abweisenden zweiten Lack zu versehen, der den Schmutz-abweisenden strahlenhärtenden ersten Lack im Bereich der das Fälschungssicherungsmittel umgebenden Teilfläche des Substrats teilweise überlappt. Bei fehlender Überlappung besteht die Gefahr von nicht beschichteten Bereichen, die im Umlauf zu sichtbaren Schmutz-Rändern führen. Der zweite Lack kann auf einem physikalisch trocknenden, wasserbasierenden Dispersionslack beruhen, der gegebenenfalls Vernetzungsmittel enthalten kann und nach dem Trocknen einen Matteindruck aufweist, insbesondere einen Glanz von weniger als 20 Glanzeinheiten, bevorzugt weniger als 15 Glanzeinheiten bei 60°, gemessen mittels Glanzmessgeräten nach DIN 67530, aufweist (siehe z.B. die Druckschriften
Zur Bildung des zweiten Lacks werden physikalisch trocknende wässrige Dispersionen auf Basis eines Polyacrylharzes und/oder eines Polyurethanharzes bevorzugt. Der Lack kann insbesondere auf einem Einkomponenten-Polyurethansystem oder Einkomponenten-Polyacrylatsystem mit vorvernetztem Polyurethan bzw. Polyacrylat basieren. Es kann aber auch geblocktes Polyurethan eingesetzt werden, das chemisch an die Polymerketten gebundene Isocyanatgruppen aufweist. Die Isocyanatgruppen können bei erhöhten Temperaturen, die im Allgemeinen beim Sicherheitsdruckverfahren verwendet werden, regeneriert werden. Es können des Weiteren Zweikomponenten-Polyurethansysteme oder -Polyacrylatsysteme herangezogen werden, die durch Verwenden von multifunktionalen Reagentien, wie etwa Melamin-/Formaldehyd-Präkondensate, vernetzbar sind. Allgemein kann das Polyurethan insbesondere vom aliphatischen Polyester-Typ und/oder vom aliphatischen Polyether-Typ sein. Es ist auch möglich, aliphatisches Polycarbonat-Polyurethan einzusetzen. Das Polyacrylat kann allgemein z.B. vom aromatischen Typ sein, wie etwa ein Styrol-/Acryl-Copolymer. Gemische aus einem Polyurethan und einem Polyacrylat können z.B. in einem Gewichtsverhältnis von 90:10 bis 10:90, bevorzugt 75:25 bis 25:75 eingesetzt werden. Die physikalisch trocknenden wässrigen Dispersionen können zusätzliche Inhaltsstoffe, wie etwa Katalysatoren, Co-Lösungsmittel, Dispergierhilfsmittel, Entschäumer, Viskositätsmodifizierungsmittel, Streckmittel (Extender), fluoreszierende und/oder irisierende Zusätze und/oder oberflächenaktive Stoffe enthalten. Eine typische physikalisch trocknende wässrige Dispersion weist z.B. ein Polyurethan vom Typ eines aliphatischen Polyesters oder eines aliphatischen Polyethers mit einem Polyurethangehalt von 2 bis 70 Gew.-%, bevorzugt von 5 bis 30 Gew.-%, auf.For the formation of the second lacquer, physically drying aqueous dispersions based on a polyacrylic resin and / or a polyurethane resin are preferred. The paint can be based in particular on a one-component polyurethane system or one-component polyacrylate system with pre-crosslinked polyurethane or polyacrylate. But it can also be used blocked polyurethane having chemically bonded to the polymer chains isocyanate groups. The isocyanate groups can be regenerated at elevated temperatures, which are generally used in the security printing process. Two-component polyurethane systems or polyacrylate systems crosslinkable by using multifunctional reagents such as melamine / formaldehyde precondensates may also be used. In general, the polyurethane may in particular be of the aliphatic polyester type and / or of the aliphatic polyether type. It is also possible to use aliphatic polycarbonate polyurethane. The polyacrylate may generally be, for example, of the aromatic type, such as a styrene / acrylic copolymer. Mixtures of a polyurethane and a polyacrylate can be used, for example, in a weight ratio of 90:10 to 10:90, preferably 75:25 to 25:75. The physically drying aqueous dispersions may contain additional ingredients such as catalysts, co-solvents, dispersing aids, defoamers, viscosity modifiers, extenders, fluorescent and / or iridescent additives and / or surfactants. A typical physically drying aqueous dispersion comprises, for example, a polyurethane of the aliphatic polyester or aliphatic polyether type having a polyurethane content of from 2 to 70% by weight, preferably from 5 to 30% by weight.
Der zweite Lack kann bevorzugt mittels des Flexodruckverfahrens auf das Sicherheitspapier aufgebracht werden. Dabei wird die Lackschicht zweckmäßig in einer Beschichtungsmenge von 1 bis 8 g/m2 aufgebracht. Beispiele für physikalisch trocknende Zusammensetzungen des zweiten Lacks sind nachstehend aufgeführt, wobei zusätzlich Mattierungsmittel enthalten sind (z.B. in einem Anteil von 1 bis 20 Gew.-% bezogen auf die wässrige Dispersion):The second lacquer may preferably be applied to the security paper by means of the flexographic printing process. The coating layer is expediently applied in a coating amount of 1 to 8 g / m 2 . Examples of physically drying compositions of the second paint are listed below, wherein matting agents are additionally present (for example in an amount of from 1 to 20% by weight, based on the aqueous dispersion):
900 ml wässrige Dispersion eines Acrylats ("Neocryl-AC 72" der Fa. Zeneca)
80 ml Wasser
20 ml Vernetzer "CX 100" der Fa. Zeneca900 ml of aqueous dispersion of an acrylate ("Neocryl-AC 72" from Zeneca)
80 ml of water
20 ml crosslinker "
900 ml wässrige Dispersion eines Acrylats ("Primal I-545" der Fa. Rohm&Haas)
80 ml Wasser
20 ml Zirkoniumcarbonat der Fa. Auer-Remy900 ml aqueous dispersion of an acrylate ("Primal I-545" from Rohm & Haas)
80 ml of water
20 ml zirconium carbonate Fa. Auer-Remy
700 ml wässrige Dispersion eines Acrylat-Styrol-Copolymers ("Glascol LS 26" der Fa. CIBA)
200 ml wässrige Dispersion eines Polyurethans ("U 400 N" der Fa. Alberdink Boley)
100 ml Wasser
20 ml Vernetzer "CX 100" der Fa. Zeneca700 ml aqueous dispersion of an acrylate-styrene copolymer ("Glascol LS 26" from CIBA)
200 ml aqueous dispersion of a polyurethane ("U 400 N" from Alberdink Boley)
100 ml of water
20 ml crosslinker "
Nach einer bevorzugten Ausführungsform wird das Sicherheitspapier im Zuge der Herstellung eines Wertdokuments an der außerhalb des Fälschungssicherungsmittels liegenden Oberfläche des Substrats mit Zeichen oder Mustern bedruckt. Alternativ oder zusätzlich kann nach dem Aufbringen des Schmutz-abweisenden zweiten Lacks ein Druckbild auf den zweiten Lack aufgedruckt werden.According to a preferred embodiment, in the course of producing a value document, the security paper is printed with characters or patterns on the surface of the substrate which is located outside the counterfeit security device. Alternatively or additionally, after the application of the dirt-repellent second paint, a printed image can be printed on the second paint.
Im Hinblick auf die Verlängerung der Lebensdauer und der Umlauffähigkeit des Sicherheitspapiers kann das Sicherheitspapier-Substrat gemäß einer weiteren, alternativen bevorzugten Ausführungsform an seiner außerhalb des Fälschungssicherungsmittels liegenden Oberfläche mit einer wasserbasierenden Primerschicht versehen sein, die den Schmutz-abweisenden strahlenhärtenden ersten Lack im Bereich der das Fälschungssicherungsmittel umgebenden Teilfläche des Substrats gegebenenfalls teilweise überlappt. Die Primerschicht kann gemäß einer Alternative in Beabstandung zum Fälschungssicherungsmittel angeordnet sein (so dass keine überlappende Anordnung bezogen auf den ersten Lack vorliegt). Die Primerschicht kann gemäß einer weiteren Alternative vollflächig vorliegen und das Fälschungssicherungsmittel (z.B. ein Patch oder ein Streifen) oberhalb der Primerschicht angeordnet sein. Die Primerschicht dient als Haftvermittler zwischen dem Substrat und einer bzw. mehrerer oberhalb der Primerschicht angeordneten Schicht/-en. Darüber hinaus hat die Primerschicht eine Barrierewirkung gegenüber Flüssigkeiten. Die wasserbasierende Primerschicht kann in einem weiteren Schritt mit einem eine Deckschicht bildenden UV-vernetzenden Lack (der "dritte" Lack) versehen werden. Im Zuge der Herstellung eines Wertdokuments kann die wasserbasierende Primerschicht und/oder der UV-vernetzte Decklack mit einem Druckmuster in Form von Zeichen und/oder Mustern bedruckt werden.In view of extending the life and fitness of the security paper, the security paper substrate may be provided according to a further, alternative preferred embodiment on its lying outside the counterfeit security agent surface with a water-based primer layer, the dirt-repellent radiation-curing first paint in the area If necessary, partially overlapping the partial surface of the substrate surrounding the anti-counterfeiting device. The primer layer may, according to an alternative, be arranged at a distance from the counterfeit protection means (so that there is no overlapping arrangement with respect to the first varnish). According to a further alternative, the primer layer can be present over the entire surface and the counterfeit protection means (for example a patch or a strip) can be arranged above the primer layer. The primer layer serves as an adhesion promoter between the substrate and one or more layers or layers arranged above the primer layer. In addition, the primer layer has a barrier to liquids. In a further step, the water-based primer layer can be provided with a UV-crosslinking lacquer (the "third" lacquer) forming a cover layer. In the course of producing a value document, the water-based primer layer and / or the UV-crosslinked topcoat can be printed with a printed pattern in the form of characters and / or patterns.
Geeignete wasserbasierende Primerschichten sind im Stand der Technik bekannt bekannt (siehe z.B. die
Geeignete UV-vernetzende Lackschichten mit hoher physikalischer und chemischer Beständigkeit sind im Stand der Technik bekannt (siehe z.B. die
Ein Beispiel für einen UV-vernetzenden dritten Lack kann z.B. auf der oben beschriebenen "Zusammensetzung 1" beruhen, wobei Mattierungsmittel in einem Anteil von 10 bis 15 Gew.-% hinzugemischt werden.An example of a UV crosslinking third varnish may be e.g. based on the above-described "Composition 1", wherein matting agents are mixed in a proportion of 10 to 15 wt .-%.
Mit Bezug auf das Aufbringen des ersten Lacks und des zweiten Lacks, oder des ersten Lacks und der wasserbasierenden Primerschicht und des dritten Lacks, auf das mit einem Fälschungssicherungsmittel ausgestattete Sicherheitspapier sind vom Standpunkt der Prozessführung aus gesehen drei bevorzugte Varianten denkbar:With regard to the application of the first coat and the second coat, or the first coat and the water-based primer coat and the third coat, to the security paper equipped with an anti-counterfeiting agent, three preferred variants are conceivable from the point of view of process control:
Partielles Aufbringen des ersten Lacks im Bereich des Fälschungssicherungsmittels, gefolgt von einer Spot-Beschichtung des zweiten Lacks in den Bereichen außerhalb des Fälschungssicherungsmittels, so dass der zweite Lack den ersten Lack teilweise überlappt. Diese Vorgänge erfolgen in der Papiermaschine vor dem Querschneider.Partial application of the first paint in the area of the anti-counterfeiting agent, followed by a spot coating of the second paint in the areas outside the anti-counterfeiting agent, so that the second paint partially overlaps the first paint. These processes take place in the paper machine in front of the cross cutter.
Gemäß Variante a), wobei die genannten Vorgänge außerhalb der Papiermaschine vor dem Querschneider erfolgen.According to variant a), wherein said operations take place outside the paper machine in front of the cross cutter.
Partielles Aufbringen des ersten Lacks im Bereich des Fälschungssicherungsmittels in der Papiermaschine vor dem Querschneider. Aufbringen der wasserbasierenden Primerschicht in den Bereichen außerhalb des Fälschungssicherungsmittels, so dass die Primerschicht den ersten Lack teilweise überlappt. Nach dem Bedrucken des Sicherheitspapiers oberhalb der Primerschicht erfolgt eine finale Spot-Beschichtung mit dem dritten Lack als eine Schmutz-abweisenden Beschichtung, so dass der dritte Lack die wasserbasierende Primerschicht überdeckt.Partial application of the first lacquer in the area of the anti-counterfeiting agent in the paper machine in front of the cross cutter. Applying the water-based primer layer in the areas outside the anti-counterfeiting agent, so that the primer layer partially overlaps the first paint. After printing the security paper above the primer layer, a final spot coating with the third lacquer takes place as a dirt-repellent coating so that the third lacquer covers the water-based primer layer.
Mit Bezug auf das Sicherheitspapier-Substrat gibt es keine speziellen Beschränkungen. Banknotenpapiere werden typischerweise aus Fasern von Einjahrespflanzen, insbesondere Baumwollfasern oder Zellstofffasern, hergestellt, aber es können auch Papiere verwendet werden, die zumindest teilweise aus Kunststofffasern bestehen, vorzugsweise aus Polyamidfasern oder Polyesterfasern. Besonders bevorzugt wird ein Baumwollpapier als Sicherheitspapier-Substrat verwendet. Das Flächengewicht des Substrats variiert je nach Anwendungsform. Übliche Flächengewichte liegen im Bereich von 50 g/m2 bis 100 g/m2, vorzugsweise im Bereich von 60 g/m2 bis 90 g/m2, besonders bevorzugt bei etwa 70 g/m2. Bei mehrlagigen Substraten können die einzelnen Papierlagen aus gleichen oder aus unterschiedlichen Papiersorten bestehen. Beispielsweise kann eine Papierlage ein reines Baumwollpapier sein, während eine weitere Papierlage Kunststofffasern aufweist. Des Weiteren können als das Sicherheitspapier-Substrat auch mehrlagige Papier/Folie-Verbunde herangezogen werden, wie etwa ein Papier/Folie/Papier-Verbund oder ein Folie/Papier/Folie-Verbund.With respect to the security paper substrate, there are no special restrictions. Banknote papers are typically made from fibers of annual plants, especially cotton fibers or pulp fibers, but papers which are at least partially made of plastic fibers, preferably polyamide fibers or polyester fibers, may also be used. More preferably, a cotton paper is used as a security paper substrate. The basis weight of the substrate varies depending on the application form. Typical basis weights are in the range of 50 g / m 2 to 100 g / m 2 , preferably in the range of 60 g / m 2 to 90 g / m 2 , more preferably about 70 g / m 2 . For multi-layer substrates, the individual paper layers may consist of the same or different types of paper. For example, a paper layer may be a pure cotton paper, while another paper layer may comprise plastic fibers. Furthermore, as the security paper substrate also multi-layered Paper / foil composites are used, such as a paper / foil / paper composite or a foil / paper / foil composite.
Auch hinsichtlich der Art der Herstellung des Sicherheitspapier-Substrats gibt es keine speziellen Einschränkungen. Die Herstellung erfolgt bevorzugt mittels einer Rundsiebmaschine.Also, there are no particular restrictions on the manner of manufacturing the security paper substrate. The production preferably takes place by means of a rotary screening machine.
Weitere Ausführungsbeispiele sowie Vorteile der Erfindung werden nachfolgend anhand der Figuren erläutert, bei deren Darstellung auf eine maßstabs- und proportionsgetreue Wiedergabe verzichtet wurde, um die Anschaulichkeit zu erhöhen.Further exemplary embodiments and advantages of the invention are explained below with reference to the figures, in the representation of which a representation true to scale and proportion has been dispensed with in order to increase the clarity.
Es zeigen:
- Fig. 1
- eine schematische Darstellung eines Sicherheitspapiers mit eingebettetem Fenstersicherheitsfaden und aufgeklebtem, Patchförmigen Sicherheitselement;
- Fig. 2a
- den vergrößerten Bereich II in Draufsicht, wobei schematisch die Wobbelzone des Fadens veranschaulicht wird;
- Fig. 2b
- den vergrößerten Bereich II in Draufsicht, wobei schematisch die Ausdehnung der ersten Lackschicht veranschaulicht wird; und
- Fig. 2c
- den vergrößerten Bereich II in Draufsicht, wobei schematisch die Ausdehnung der zweiten Lackschicht veranschaulicht wird.
- Fig. 1
- a schematic representation of a security paper with embedded window security thread and glued patch-shaped security element;
- Fig. 2a
- the enlarged portion II in plan view, wherein the sweeping zone of the thread is schematically illustrated;
- Fig. 2b
- the enlarged area II in plan view, wherein the expansion of the first resist layer is schematically illustrated; and
- Fig. 2c
- the enlarged area II in plan view, wherein the expansion of the second lacquer layer is schematically illustrated.
Das Patch-förmige Sicherheitselement 3 und der Fenstersicherheitsfaden 2 sind jeweils mit einem die Wahrnehmbarkeit des optisch variablen Effekts im Wesentlichen nicht beeinflussenden, Schmutz-abweisenden strahlenhärtenden ersten Lack versehen. Im vorliegenden Beispiel ist der erste Lack ein auf der oben beschriebenen Zusammensetzung 1 basierender UV-Lack und wird im Flexodruckverfahren oder Offsetdruckverfahren in den Bereichen 5 und II auf das Sicherheitspapier aufgebracht. Der erste Lack ist nicht registergenau oberhalb der Fälschungssicherungsmittel 2 und 3 appliziert, sondern der Lack überdeckt auch angrenzende Teile des Sicherheitspapier-Substrats, die die Fälschungssicherungsmittel 2 und 3 umgeben und sozusagen Randbereiche für die Fälschungssicherungsmittel 2 und 3 bilden. Die Schichtdicke des ersten Lacks beträgt im vorliegenden Beispiel 1,5 µm.The patch-shaped
Das Sicherheitspapier 1 ist an seiner außerhalb der Fälschungssicherungsmittel 2 und 3 liegenden Oberfläche vollflächig mit einem Schmutzabweisenden zweiten Lack versehen, der den ersten UV-Lack im Bereich der die Fälschungssicherungsmittel 2 und 3 umgebenden Teilflächen des Substrats teilweise überlappt. Im vorliegenden Beispiel basiert der Schmutz-abweisende zweite Lack auf einem bevorzugt mittels Flexodruck aufgebrachten, physikalisch trocknenden wässrigen Dispersionslack gemäß der oben beschriebenen Zusammensetzung 2.The security paper 1 is at its outside of the counterfeiting protection means 2 and 3 lying surface over the entire surface with a dirt repellent second paint provided, which partially overlaps the first UV varnish in the area surrounding the anti-counterfeiting means 2 and 3 partial surfaces of the substrate. In the present example, the soil-repellent second paint is based on a preferably by flexographic printing, physically drying aqueous dispersion paint according to the
Die räumliche Anordnung des ersten UV-Lacks und des zweiten physikalisch trocknenden wässrigen Dispersionslacks auf dem Sicherheitspapier 1 und der Begriff des "teilweise Überlappens" werden nachstehend anhand der
Der Fenstersicherheitsfaden 2 und eine den Fenstersicherheitsfaden 2 umgebende Teilfläche des Substrats sind zur Verlängerung der Lebensdauer und der Umlauffähigkeit mit dem oben beschriebenen, die Wahrnehmbarkeit des optisch variablen Sicherheitsmerkmals im Wesentlichen nicht beeinflussenden, Schmutz-abweisenden strahlenhärtenden ersten Lack 7 versehen (siehe
Das Sicherheitspapier 1 weist an seiner außerhalb des Fenstersicherheitsfadens 2 liegenden Oberfläche den oben beschriebenen Schmutz-abweisenden zweiten Lack 8 auf, der den ersten Lack 7 im Bereich der den Fenstersicherheitsfaden 2 umgebenden Teilfläche des Substrats teilweise überlappt. Die Überlappungsbereiche werden mit der Bezugsnummer 9 bezeichnet (siehe
Claims (15)
- A security paper for manufacturing value documents, such as bank notes, passports, identity documents or the like, having a planar substrate which is equipped on at least one surface with at least one anti-forgery means, wherein
the anti-forgery means is based on a carrier foil having mutually opposing first and second principal areas, and the carrier foil's first principal area visually recognizable to the viewer at least in some regions and opposing the substrate has an optically variable security feature having microstructures as well as micro-imaging elements for magnified imaging of the microstructures, and
the anti-forgery means and a partial substrate area surrounding the anti-forgery means are furnished, for extending life and fitness for circulation, with a dirt-repellent radiation-curing first lacquer substantially not influencing the perceptibility of the optically variable security feature, the layer thickness of said lacquer lying in a range of 0.7 to 2 µm. - The security paper according to claim 1, wherein the anti-forgery means is present in the form of a security strip, of a security thread or of a patch and/or the radiation-curing first lacquer is a UV-cross-linking lacquer which after cross-linking is high-gloss.
- The security paper according to either of claims 1 to 2, wherein the substrate is furnished on its surface lying outside the anti-forgery means with a water-based primer layer which optionally partly overlaps the stated dirt-repellent radiation-curing first lacquer substantially not influencing the perceptibility of the optically variable security feature, in the region of the partial substrate area surrounding the anti-forgery means, and the primer layer is optionally furnished with a UV-cross-linking lacquer forming a cover layer, which protects the substrate from physical and chemical influences.
- The security paper according to either of claims 1 to 2, wherein the substrate is furnished on its surface lying outside the anti-forgery means with a dirt-repellent second lacquer which
optionally partly overlaps the stated dirt-repellent radiation-curing first lacquer substantially not influencing the perceptibility of the optically variable security feature, in the region of the partial substrate area surrounding the anti-forgery means, and
either (a) involves a physically drying, water-based dispersion lacquer which can optionally contain cross-linking agent and after drying has a matt impression, in particular has a gloss of less than 20 gloss units, preferably less than 15 gloss units at 60°, measured by means of gloss meters according to DIN standard 67530,
or (b) involves a UV-cross-linking lacquer which after cross-linking has a matt impression, in particular has a gloss of less than 20 gloss units, preferably less than 15 gloss units at 60°, measured by means of gloss meters according to DIN standard 67530. - The security paper according to claim 4, wherein the dirt-repellent second lacquer involves a physically drying, water-based dispersion lacquer which cures through removal of the dispersant and is an aqueous dispersion of a polyacrylic resin and/or of a polyurethane resin.
- A value document, such as a bank note, a passport, an identity document or the like, having a security paper according to any of claims 1 to 5, wherein the substrate is printed with signs or patterns on its surface lying outside the anti-forgery means, in particular in the case of the presence of the optionally present dirt-repellent second lacquer or of the optionally present water-based primer layer, on the surface of said lacquer or said layer.
- The value document according to claim 6, wherein the substrate is furnished on its surface lying outside the anti-forgery means with a water-based primer layer which optionally partly overlaps the stated dirt-repellent radiation-curing first lacquer substantially not influencing the perceptibility of the optically variable security feature, in the region of the partial substrate area surrounding the anti-forgery means, and is printed with signs or patterns, and the primer layer is furnished with a UV-cross-linking third lacquer forming a cover layer, which protects the substrate from physical and chemical influences.
- A method for manufacturing a security paper, in particular for a value document, such as a bank note, a passport, an identity document or the like, comprising
making available a planar substrate which is equipped on at least one surface with at least one anti-forgery means, wherein the anti-forgery means is based on a carrier foil having mutually opposing first and second principal areas, and the carrier foil's first principal area visually recognizable to the viewer at least in some regions and opposing the substrate has an optically variable security feature having microstructures as well as micro-imaging elements for magnified imaging of the microstructures; and
applying a dirt-repellent radiation-curing first lacquer suitable for extending life and fitness for circulation and substantially not influencing the perceptibility of the optically variable security feature, having a layer thickness in a range of 0.7 to 2 µm, to the anti-forgery means and a partial substrate area surrounding the anti-forgery means. - The method according to claim 8, wherein the anti-forgery means is present in the form of a security strip, of a security thread or of a patch.
- The method according to claim 8 or 9, wherein the radiation-curing first lacquer is a UV-cross-linking lacquer which after cross-linking is high-gloss.
- The method according to either of claims 8 to 9, comprising the additional step of applying a water-based primer layer to the substrate surface lying outside the anti-forgery means in such a manner that the stated dirt-repellent radiation-curing first lacquer substantially not influencing the perceptibility of the optically variable security feature is overlapped optionally partly by the water-based primer layer in the region of the partial substrate area surrounding the anti-forgery means.
- The method according to any of claims 8 to 10, comprising the additional step of applying a dirt-repellent second lacquer to the substrate surface lying outside the anti-forgery means in such a manner that the stated dirt-repellent radiation-curing first lacquer substantially not influencing the perceptibility of the optically variable security feature is overlapped optionally partly by the dirt-repellent second lacquer in the region of the partial substrate area surrounding the anti-forgery means, wherein the dirt-repellent second lacquer
either (a) involves a physically drying, water-based dispersion lacquer which can optionally contain cross-linking agent, and after drying has a matt impression, in particular has a gloss of less than 20 gloss units, preferably less than 15 gloss units at 60°, measured by means of gloss meters according to DIN standard 67530,
or (b) involves a UV-cross-linking lacquer which after cross-linking has a matt impression, in particular has a gloss of less than 20 gloss units, preferably less than 15 gloss units at 60°, measured by means of gloss meters according to DIN standard 67530. - The method according to claim 12, wherein the dirt-repellent second lacquer involves a physically drying, water-based dispersion lacquer which cures through removal of the dispersant and is an aqueous dispersion of a polyacrylic resin and/or of a polyurethane resin.
- A method for manufacturing a value document, such as a bank note, a passport, an identity document or the like, comprising
making available a security paper according to any of claims 1 to 5, and
printing the substrate surface lying outside the anti-forgery means, in particular in the case of the presence of the optionally present dirt-repellent second lacquer or the optionally present water-based primer layer, printing the surface of said lacquer or said layer, with signs or patterns. - The method according to claim 14 with dependency on claim 3, comprising
making available a security paper according to claim 3,
printing the surface of the water-based primer layer with signs or patterns, and
furnishing the printed primer layer, in a further step, with a UV-cross-linking third lacquer forming a cover layer, which protects the substrate from physical and chemical influences.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011120850A DE102011120850A1 (en) | 2011-12-09 | 2011-12-09 | Security paper, value document obtainable therefrom and method for producing the same |
PCT/EP2012/004938 WO2013083253A1 (en) | 2011-12-09 | 2012-11-29 | Security paper, a document of value which can be obtained therefrom, and a method for producing same |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2788197A1 EP2788197A1 (en) | 2014-10-15 |
EP2788197B1 true EP2788197B1 (en) | 2016-02-03 |
Family
ID=47297099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12797714.8A Active EP2788197B1 (en) | 2011-12-09 | 2012-11-29 | Security paper, a document of value which can be obtained therefrom, and a method for producing same |
Country Status (6)
Country | Link |
---|---|
US (1) | US9827803B2 (en) |
EP (1) | EP2788197B1 (en) |
CL (1) | CL2014001476A1 (en) |
DE (1) | DE102011120850A1 (en) |
MX (1) | MX337085B (en) |
WO (1) | WO2013083253A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106661843A (en) * | 2014-07-03 | 2017-05-10 | 巴斯夫欧洲公司 | Aqueous surface-coating agent for paper and paperboard |
TW201619917A (en) | 2014-09-09 | 2016-06-01 | 西克帕控股有限公司 | Banknotes having interrelated features |
GB2535985B (en) | 2015-02-24 | 2019-11-06 | Portals De La Rue Ltd | Improvements in security documents |
DE102017004039B4 (en) * | 2017-04-26 | 2019-06-06 | Mühlbauer Gmbh & Co. Kg | Security deposit for a document of identification and method for producing a security deposit for a document of identification |
DE102017004037B4 (en) * | 2017-04-26 | 2019-06-27 | Mühlbauer Gmbh & Co. Kg | Security insert with a recess for a passport document and method for producing a security insert with a recess for a passport document |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2005106601A2 (en) * | 2004-04-30 | 2005-11-10 | De La Rue International Limited | Arrays of microlenses and arrays of microimages on transparent security substrates |
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DE3176833D1 (en) | 1980-11-05 | 1988-09-08 | Stephen Paul Mcgrew | Diffractive color and texture effects for the graphic arts |
DE3609090A1 (en) | 1986-03-18 | 1987-09-24 | Gao Ges Automation Org | SECURITY PAPER WITH SECURED THREAD STORED IN IT AND METHOD FOR THE PRODUCTION THEREOF |
ATE49376T1 (en) | 1986-08-19 | 1990-01-15 | Enschede & Zonen Grafisch | INK PRINTED AND PROTECTIVE COATED PAPER OBJECT AND ITS MANUFACTURING PROCESS. |
ES2048186T3 (en) | 1988-03-04 | 1994-03-16 | Gao Ges Automation Org | SECURITY ELEMENT IN THE FORM OF A THREAD OR A BAND FOR ITS INCORPORATION IN SAFETY DOCUMENTS AND PROCEDURE FOR ITS MANUFACTURE. |
RU2138593C1 (en) | 1995-03-13 | 1999-09-27 | Порталс Лимитед | Method for manufacture of safety paper |
CH690067A5 (en) | 1995-08-10 | 2000-04-14 | Ovd Kinegram Ag | A process for preparing teilmetallisierter lattice structures. |
DE19829004A1 (en) | 1998-06-30 | 2000-01-05 | Giesecke & Devrient Gmbh | Security paper |
US6562755B1 (en) * | 2000-10-31 | 2003-05-13 | Ncr Corporation | Thermal paper with security features |
DE10124630A1 (en) | 2001-05-18 | 2002-11-21 | Giesecke & Devrient Gmbh | Security, especially banknote, with printed symbols and security element, is coated with mat protective varnish except over security element |
GB2385298B (en) | 2002-02-19 | 2004-04-28 | Rue De Int Ltd | Method of preparing a security document |
DE10327083A1 (en) | 2003-02-11 | 2004-08-19 | Giesecke & Devrient Gmbh | Security paper, for the production of bank notes, passports and identity papers, comprises a flat substrate covered with a dirt-repellent protective layer comprising at least two lacquer layers |
DE10319232A1 (en) | 2003-04-28 | 2004-11-18 | Giesecke & Devrient Gmbh | Flat security element and manufacturing method for the same |
DE102004044459B4 (en) * | 2004-09-15 | 2009-07-09 | Ovd Kinegram Ag | Security document with transparent windows |
FR2877609B1 (en) * | 2004-11-08 | 2007-03-09 | Arjowiggins Security Soc Par A | SAFETY STRUCTURE AND ARTICLE INCORPORATING SUCH A STRUCTURE |
DE102005028162A1 (en) | 2005-02-18 | 2006-12-28 | Giesecke & Devrient Gmbh | Security element for protecting valuable objects, e.g. documents, includes focusing components for enlarging views of microscopic structures as one of two authenication features |
DE102009035361A1 (en) | 2009-07-30 | 2011-02-03 | Giesecke & Devrient Gmbh | Security element for an object to be protected and to be protected object with such a security element |
DE102010047250A1 (en) | 2009-12-04 | 2011-06-09 | Giesecke & Devrient Gmbh | Security element, value document with such a security element and manufacturing method of a security element |
-
2011
- 2011-12-09 DE DE102011120850A patent/DE102011120850A1/en not_active Withdrawn
-
2012
- 2012-11-29 MX MX2014006708A patent/MX337085B/en active IP Right Grant
- 2012-11-29 US US14/361,380 patent/US9827803B2/en active Active
- 2012-11-29 WO PCT/EP2012/004938 patent/WO2013083253A1/en active Application Filing
- 2012-11-29 EP EP12797714.8A patent/EP2788197B1/en active Active
-
2014
- 2014-06-05 CL CL2014001476A patent/CL2014001476A1/en unknown
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WO2005106601A2 (en) * | 2004-04-30 | 2005-11-10 | De La Rue International Limited | Arrays of microlenses and arrays of microimages on transparent security substrates |
Also Published As
Publication number | Publication date |
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US20140319816A1 (en) | 2014-10-30 |
MX2014006708A (en) | 2014-07-09 |
CL2014001476A1 (en) | 2014-11-07 |
WO2013083253A1 (en) | 2013-06-13 |
EP2788197A1 (en) | 2014-10-15 |
US9827803B2 (en) | 2017-11-28 |
MX337085B (en) | 2016-02-11 |
DE102011120850A1 (en) | 2013-06-13 |
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