EP3083263B1 - Verfahren zur behandlung der oberfläche eines sicherheitsdokuments und sicherheitsdokument - Google Patents

Verfahren zur behandlung der oberfläche eines sicherheitsdokuments und sicherheitsdokument Download PDF

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Publication number
EP3083263B1
EP3083263B1 EP14814894.3A EP14814894A EP3083263B1 EP 3083263 B1 EP3083263 B1 EP 3083263B1 EP 14814894 A EP14814894 A EP 14814894A EP 3083263 B1 EP3083263 B1 EP 3083263B1
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Prior art keywords
varnish
layer
mfc
ncc
document
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EP14814894.3A
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English (en)
French (fr)
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EP3083263A1 (de
Inventor
Marjory LE BERRE
Julien Gillot
Xavier Borde
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Oberthur Fiduciaire SAS
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Oberthur Fiduciaire SAS
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Application filed by Oberthur Fiduciaire SAS filed Critical Oberthur Fiduciaire SAS
Priority to PL14814894T priority Critical patent/PL3083263T3/pl
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/02—Dusting, e.g. with an anti-offset powder for obtaining raised printing such as by thermogravure ; Varnishing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M2205/00—Printing methods or features related to printing methods; Location or type of the layers
    • B41M2205/40—Cover layers; Layers separated from substrate by imaging layer; Protective layers; Layers applied before imaging

Definitions

  • the present invention relates to the field of security documents, such as fiduciary documents or the like.
  • “fiduciary document” means all documents such as banknotes, checks, bank cards, used to transmit a sum of money.
  • "Assimilated document” means any document issued by an administration of the State to prove the identity of a person, his rights to drive a vehicle, such as in particular the identity card, the passport, driving license, etc. By this expression is also meant any document used to authenticate an object of value such as for example a label affixed to a luxury garment. We also hear any document used to certify the payment of a tax such as tax stamps.
  • the figure 1 illustrates a fiduciary document 1, more particularly a bank note, on which no protective coating has been affixed.
  • the bank note 1 comprises a cotton support 2 having two opposite faces 20 and 21.
  • the bank note 1 also has on one of its faces several security prints 3 of at least one pattern.
  • security impressions 3 of different security levels are affixed to the banknote 1, in particular to deter attempts to reproduce.
  • These security prints 3 are made by a succession of printing and securing processes, such as for example and without being limiting, laser marking or microperforation, flexography, screen printing, hot stamping, dry or wet offset, or intaglio printing. It is these security impressions 3 that gives the banknote 1 its high added value.
  • the first-level security prints 3 are detectable with the naked eye, in the light of the day or artificial and do not require the use of a particular device.
  • the presence of a watermark, colored fibers, visible elements in transvision, or tactile reliefs produced by intaglio printing on the banknote 1, are examples of first-level security printing 3 .
  • the second-level security prints 3 are detectable using technologically modest devices such as ultraviolet or infrared lamps, or polarizing filters. These security impressions 3 allow in particular the authentication of the bank note 1 in various organizations, such as businesses and banking centers. Patterns or texts printed in invisible ink in the light of the day but visible under ultraviolet or infrared radiation, fluorescent fibers, or magnetic threads are examples of second-level security impressions.
  • third-level security prints 3 require sophisticated devices and therefore represent a high cost.
  • These security prints 3, for example tracers with a specific spectral signature, are mainly examined by the central banks.
  • Soiling is notably due to fatty substances such as human sebum naturally present on the surface of the skin. These fatty substances, which accumulate on the surface of the bank note 1 by lodging in pores and / or by weak chemical bonds, will contribute to tarnishing the original colors of the banknote 1. In addition, the oxidation of the fat accumulated on the surface of the banknote 1 will contribute over time to the appearance of a yellowish color, then brown which will be at the origin of the withdrawal of the circulation of the banknote 1.
  • a security document comprising a varnish based on cellulose microfibrils.
  • the cellulose microfibrils used in this varnish have a length of between 1 and 100 ⁇ m, and a width and a thickness of between 5 and 10 nm.
  • the present invention therefore aims to overcome the disadvantages described above by providing a method of surface treatment of a security document to improve the resistance to soiling of the security document, as well as its hydrophobic and oleophobic properties. , and in particular to guarantee the protection of the security impressions which are essential to the authentication of the banknote.
  • the subject of the present invention is a method of surface treatment of a security document which comprises, on at least one of its opposite faces, at least one security impression consisting of at least one motif, this face and this at least one associated printing being covered with a transparent protective coating, in which the printing or coating technique is applied with a varnish comprising crystalline nanocellulose of 0.5 to 10. % by weight of varnish, on said at least one face, and in which one proceeds to drying said layer of varnish.
  • a varnish which comprises about 1% of crystalline nanocellulose.
  • said varnish is dried under ultraviolet radiation. According to a variant, said varnish is dried by a stream of hot air.
  • the varnish is an epoxy-based varnish or an acrylate-based varnish.
  • a solution comprising cellulose microfibrils is applied to at least one face of the security document, the cellulose microfibril layer is then dried, and the process is then followed. the layer of varnish on the cellulose microfibrils layer.
  • the steps of applying a solution comprising cellulose microfibrils to at least one face of the security and drying document of the cellulose microfibril layer are repeated at least once before proceeding with the setting up of the varnish layer, so as to form at least two layers of cellulose microfibrils.
  • the present invention also relates to a security document comprising, at least on one of its opposite faces, at least one security printing consisting of at least one pattern, this face and this at least one associated printing being covered with a transparent protective coating, characterized in that said coating comprises at least one layer of a varnish incorporating crystalline nanocellulose at a level of 0.5 to 10% by weight of the varnish.
  • the varnish comprises about 1% of crystalline nanocellulose.
  • the varnish is an epoxy-based varnish or an acrylate-based varnish.
  • the transparent protective coating further comprises at least one layer of cellulose microfibrils, arranged between the at least one face of the document and the varnish layer.
  • the security document 1 comprises a support 2, for example made of wove paper made from cotton.
  • the support 2 is made of vellum paper comprising a mixture of cotton and natural fibers, for example flax or abaca fibers.
  • the support 2 is made of vellum paper comprising a mixture of cotton and synthetic fibers of polymer, for example based on polyethylene, polypropylene, polyester, polyamide.
  • the support 2 consists exclusively of polymer such as a bi-oriented polypropylene.
  • the support 2 is composite that is to say that the support 2 comprises an assembly of layers of natural fiber materials and continuous polymer layers such as polyesters, polyamides, or bi-oriented polypropylene .
  • the security document 1 is for example a bank note.
  • the support 2 has two opposite faces 20 and 21.
  • the bank note 1 has on one of its faces 20 several security prints 3 of at least one pattern.
  • the bank note 1 has one or more security prints 3 on both faces 20 and 21 of the support 2.
  • the bank note 1 further comprises an optically transparent protective coating R covering one or both faces 20 and 21 and associated security prints 3.
  • the protective coating R comprises at least one layer 4 of a varnish in which crystalline nanocellulose NCC is incorporated at a height of 0.5 to 10% of the weight of the varnish.
  • the crystalline nanocellulose NCC is, for example, in the form of a powder.
  • Varnish means a varnish configured to dry with infrared and / or hot air or ultraviolet.
  • acrylic lacquers comprising an aqueous base
  • lacquers comprising an acrylate base are particularly suitable for forming the layer 4.
  • Varnishes for example based on monomers of the family of cycloaliphatic epoxides which polymerize to give a polyepoxide matrix by means of initiators such as ultraviolet-activated onium salts are also adapted to form the layer 4.
  • Nanocellulose is an organic material composed of cellulose fibers of very small size, in particular of the order of 5 to 20 nm. NCC crystalline nanocellulose and MFC cellulose microfibrils are distinguished.
  • the microfibrils of MFC cellulose are obtained from a mechanical treatment of peeling of previously bleached fibers, then by treatments homogenization, microfluidization and micromilling.
  • the dimensions of the MFC cellulose microfibrill particles vary according to the cellulose sources from which they are extracted.
  • the MFC cellulose microfibrils generally have a diameter of 50 to 100 nm, a length of 1000 to 2000 nm and a specific surface of 10 to 100 m 2 / g.
  • the crystalline nanocellulose NCC is obtained from the microfibrils of MFC cellulose, by a chemical treatment of acid hydrolysis. This acid hydrolysis makes it possible to avoid the degradation of the crystalline domains of the cellulose, while destroying the amorphous parts at the periphery and within the microfibrils of cellulose. Cellulose nanocrystals, also known as whiskers, are thus obtained.
  • the dimensions of the NCC crystalline nanocellulose particles vary according to the cellulose sources from which they are extracted.
  • the crystalline nanocellulose NCC has, for example, a diameter of 5 to 10 nm, a length of 100 to 500 nm and a specific surface area of approximately 500 m 2 / g.
  • the crystalline nanocellulose NCC is thus distinguished from the microfibrils of MFC cellulose by its dimensions, in particular by a length well below the length of the cellulose microfibrils.
  • the NCC crystalline nanocellulose and varnish layer comprises about 1% by weight of the NCC crystalline nanocellulose varnish.
  • the protective coating R comprises a layer 4 of varnish and crystalline nanocellulose NCC.
  • the protective coating R comprises several layers 4 of varnish and crystalline nanocellulose NCC.
  • crystalline nanocellulose NCC in the dopant state, that is to say in a small amount as an additive in a varnish, has the surprising effect of substantially improving the resistance to soiling of the greenback 1, as well as as hydrophobic and oleophobic properties, while ensuring good mechanical properties.
  • nanocellulose is particularly advantageous insofar as it comes from a natural, renewable, recyclable and biodegradable material.
  • the protective coating R comprising a layer of lacquer and crystalline nanocellulose NCC also has the advantage of being itself printable, and to be compatible with an epidermal contact, that is to say not to be toxic or allergenic.
  • the protective coating R further comprises a layer 5 of MFC cellulose microfibrils arranged between the layer 4 of NCC crystalline nanocellulose and varnish and the face 20 of the banknote 1.
  • the MFC cellulose microfibrils are for example in the form of a gel incorporated in a solvent, especially water or isopropanol.
  • the MFC cellulose microfibrils gel comprises, for example, a solids content of 2% by weight of the gel, when the solvent used is water, and a solids content of 2.5% by weight of the gel, when the solvent used is isopropanol.
  • the protective coating R comprises at least two layers 5 of MFC cellulose microfibrils arranged between the layer 4 of NCC crystalline nanocellulose and varnish and the face 20 of the banknote 1.
  • layers 5 of MFC cellulose microfibrils makes it possible, in combination with the layer of lacquer 4 and crystalline nanocellulose NCC, to provide a banknote 1 with improved resistance to soiling and hydrophobicity and oleophobicity. compared to the case where a single layer 4 of varnish and crystalline NCC nanocellulose is used.
  • the use of MFC cellulose microfibre layers 5 makes it possible to improve the mechanical properties of the bank note 1, in particular the tear strength.
  • nanocellulose is particularly advantageous insofar as it comes from a natural material, renewable, recyclable and biodegradable.
  • the protective coating R comprising at least one layer of MFC cellulose microfibrils and a layer of NCC crystalline nanocellulose and varnish has the further advantage of being achievable by known industrial processes such as coating and printing, and to be compatible with an epidermal contact, that is to say not to be toxic or allergenic.
  • the surface treatment of the banknote 1 illustrated in FIG. figure 2 proceeds as follows.
  • the varnish comprising the crystalline nanocellulose NCC is placed on one or both sides 20 and 21 of the banknote 11 by the printing or coating technique, so as to form the transparent protective coating R.
  • the coating layer 4 comprising NCC crystalline nanocellulose is for example applied by flexographic printing, gravure printing or screen printing methods, or even methods of coating with air knife, curtain coating or roller coating.
  • the layer 4 of varnish is for example applied in flexography with anilox of 15 cm 3 / m 2 depositing on average between 4 and 5 g / m 2 .
  • the layer 4 of varnish comprising the crystalline nanocellulose NCC is dried.
  • the drying of the layer 4 of varnish comprising the crystalline nanocellulose NCC is carried out under ultraviolet radiation.
  • the varnish is a varnish comprising an epoxy or acrylate base.
  • the drying of the lacquer layer 4 comprising the crystalline nanocellulose NCC is carried out by a stream of hot air. This embodiment is particularly advantageous when the varnish is a varnish comprising an aqueous base.
  • the first and second steps 30 and 31 are repeated at least once so as to form two or more layers 4 of NCC crystalline nanocellulose and varnish.
  • the surface treatment of the banknote 1 illustrated in FIG. figure 3 proceeds as follows.
  • a solution of MFC cellulose microfibrils gel and solvent is applied on one or both sides 20 and 21 of the bank note 1.
  • the bank note 1 can be printed beforehand or not.
  • the application of the solution for example made in the laboratory by means of a threaded rod on which the solution comprising the MFC cellulose microfibrils gel is deposited.
  • the rod is then moved along the face 20 or 21 of the banknote 1 so as to distribute the solution homogeneously.
  • the threaded rod deposits for example a layer 5 of 36 microns thick solution.
  • the solution is applied to one or both sides 20 and 21 of the banknote 1 by the coating or printing techniques mentioned below.
  • This variant is particularly suitable in industrial production conditions.
  • the MFC cellulose microfibril gel layer 5 is dried.
  • the drying of the MFC cellulose microfibrils gel layer 5 is for example carried out by a hot air stream and / or in the open air in the laboratory. During drying, the solvent of the solution evaporates and the thickness of the layer 5 decreases.
  • the first and second steps 40 and 41 are repeated at least once so as to form two or more layers of cellulose microfibril gel.
  • the support 2 is then laminated, for example by a passage intaglio with or without ink, to restore a uniform and smooth surface state to the support 2.
  • the varnish comprising the crystalline nanocellulose NCC is placed on the cellulose microfibrils gel layer 5 applied last, by the printing or coating technique.
  • the coating layer 4 comprising NCC crystalline nanocellulose is for example applied by flexographic printing, gravure printing or screen printing methods, or even methods of coating with air knife, curtain coating or roller coating.
  • the layer 4 of varnish comprising the crystalline nanocellulose NCC is dried.
  • the drying of the layer 4 of varnish comprising the crystalline nanocellulose NCC is carried out under ultraviolet radiation.
  • the varnish is a varnish comprising an epoxy or acrylate base, respectively cationic and radical polymerization.
  • the drying of the lacquer layer 4 comprising the crystalline nanocellulose NCC is carried out by a stream of hot air. This embodiment is particularly advantageous when the varnish is a varnish comprising an aqueous base.
  • the third and fourth steps 42 and 43 are repeated at least once so as to form two or more layers 4 of NCC crystalline nanocellulose and varnish.
  • calendered 1 face the fact that the support is passed in size on one side.
  • laminated MFC layers means that the MFC cellulose microfibrilayer layers are passed in non-inked intaglio.
  • standard varnish means a varnish based on monomers of the family of cycloaliphatic epoxides which polymerize to give a polyepoxide matrix through initiators such as activated onium salts under ultraviolet.
  • the Cobb bonding test makes it possible to characterize the hydrophobicity, that is to say the resistance of the banknote medium to the penetration of water, such as for example the water of sweat. It is more precisely the amount of water absorbed by the support in g / m 2 for a period of 60 seconds.
  • the Fritsch test is used to characterize the resistance to soiling.
  • the Fritsch test is carried out by means of a vibrating apparatus where small glass beads are spread and incrust on the support a dirty composition based on sand, peat, activated carbon, flour, and a fatty substance present in the sebum, the mono-oleate of glycerin, for 15 minutes.
  • the luminance L * of the support is measured on several areas before and after the support has been exposed to the messy composition.
  • the difference ⁇ L * obtained between the measurements before and after the test makes it possible to characterize the adhesion of the soil to the support.
  • the smaller the gap the better the dirt resistance of the support.
  • the "Test Kit” makes it possible to characterize the oleophobia of the support. It is a test during which the support is exposed to fatty substances, in particular a mixture of castor oil and high-boiling solvents, toluene and n-heptane. By varying the proportions of the aforementioned products, a composition is obtained in which the viscosity and the surface tension vary inversely with its impregnation capacity. Thus, a composition rich in castor oil is at the bottom of the scale, while a composition rich in solvents is at the top of the scale. this same scale. Twelve different compositions are generally used. The evaluation is done visually. It is accepted that a score greater than or equal to 6 confers a satisfactory barrier to fats. The results of this test are highly dependent on the surface condition of the media and the security impressions that cover it.
  • the Bendtsen permeability test is used to characterize the air permeability of the support, ie the air flow through the support on a measurement surface of 10 cm 2 .
  • the invention therefore has the advantage of providing a bank note 1 with greatly improved antifouling properties.
  • Bank note 1 according to the invention may therefore be in circulation longer before withdrawal by central banks.
  • the improvement of these antifouling properties is not to the detriment of the economic aspect, and does not use complex physical processes significantly increasing the cost of manufacturing the banknote 1.
  • the MFC cellulose microfibrils and the NCC crystalline nanocellulose which are natural products have the undeniable advantage of not being able to be listed on the lists of substances subject to restriction under the REACH regulation defined by the European Agency. Chemicals (ECHA).

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  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Printing Methods (AREA)
  • Credit Cards Or The Like (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)

Claims (11)

  1. Verfahren zur Behandlung der Oberfläche eines Sicherheitsdokuments (1), das auf mindestens einer seiner gegenüberliegenden Flächen (21, 22) mindestens einen Sicherheitsdruck (3), bestehend aus mindestens einem Motiv, aufweist, wobei diese Fläche und dieser mindestens eine zugeordnete Druck mit einer durchsichtigen Schutzschicht (R) bedeckt sind, dadurch gekennzeichnet, dass mittels Druck- oder Streichtechnik ein Lack aufgebracht wird (30, 42), umfassend kristalline Nanocellulose (NCC) in der Größenordnung von 0,5 bis 10 Gew.-% des Lacks auf der mindestens einen Fläche (21), und Trocknen (31, 43) der Lackschicht (4).
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass ein Lack verwendet wird, der zirka 1 % kristalline Nanocellulose (NCC) umfasst.
  3. Verfahren nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, dass der Lack unter ultravioletter Strahlung getrocknet wird (31, 43).
  4. Verfahren nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, dass der Lack mit einem Warmluftstrom getrocknet wird (31, 43).
  5. Verfahren nach einem der vorangehenden Ansprüche, wobei der Lack ein Lack auf Epoxydbasis oder ein Lack auf Acrylatbasis ist.
  6. Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass eine Lösung, umfassend Cellulose-Mikrofibrillen (MFC), auf mindestens eine Fläche (21, 22) des Sicherheitsdokuments (1) aufgetragen wird (40), dass die Schicht (5) mit Cellulose-Mikrofibrillen (MFC) getrocknet wird (41), und das danach die Lackschicht (4) auf die Schicht (5) mit Cellulose-Mikrofibrillen (MFC) aufgetragen wird (42).
  7. Verfahren nach Anspruche 6, dadurch gekennzeichnet, dass die Schritte (40, 41) des Auftragens mittels Streichtechnologie von Cellulose-Mikrofibrillen (MFC) auf mindestens eine Fläche (21, 22) des Sicherheitsdokuments (1) und des Trocknens der Schicht mit Cellulose-Mikrofibrillen (MFC) mindestens einmal wiederholt werden, bevor die Lackschicht (4) aufgetragen wird (42), so dass mindestens zwei Schichten (5) mit Cellulose-Mikrofibrillen (MFC) gebildet werden.
  8. Sicherheitsdokument (1), auf mindestens einer seiner gegenüberliegenden Flächen (21, 22) mindestens einen Sicherheitsdruck (3), bestehend aus mindestens einem Motiv, aufweisend, wobei diese Fläche und dieser mindestens eine zugeordnete Druck mit einer durchsichtigen Schutzschicht (R) bedeckt sind, dadurch gekennzeichnet, dass die Beschichtung mindestens eine Schicht (4) eines Lacks umfasst, welcher kristalline Nanocellulose (NCC) in der Größenordnung von 0,5 bis 10 Gew.-% des Lacks inkorporiert.
  9. Dokument (1) nach Anspruch 8, dadurch gekennzeichnet, dass der Lack zirka 1 % kristalline Nanocellulose (NCC) aufweist.
  10. Dokument (1) nach Anspruch 8 oder Anspruch 9, wobei der Lack ein Lack auf Epoxydbasis oder ein Lack auf Acrylatbasis ist.
  11. Dokument (1) nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, dass die durchsichtige Schutzschicht (R) ferner mindestens eine Schicht (5) mit Cellulose-Mikrofibrillen (MFC) umfasst, die zwischen mindestens einer Fläche (21, 22) des Dokuments und der Lackschicht (4) angeordnet ist.
EP14814894.3A 2013-12-20 2014-12-18 Verfahren zur behandlung der oberfläche eines sicherheitsdokuments und sicherheitsdokument Active EP3083263B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14814894T PL3083263T3 (pl) 2013-12-20 2014-12-18 Sposób obróbki powierzchniowej dokumentu bezpieczeństwa i związany z nim dokument bezpieczeństwa

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1363309A FR3015356B1 (fr) 2013-12-20 2013-12-20 Procede de traitement de surface d'un document de securite et document de securite associe
PCT/EP2014/078596 WO2015091873A1 (fr) 2013-12-20 2014-12-18 Procede de traitement de surface d'un document de securite et document de securite associe

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EP3083263A1 EP3083263A1 (de) 2016-10-26
EP3083263B1 true EP3083263B1 (de) 2017-06-21

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EP14814894.3A Active EP3083263B1 (de) 2013-12-20 2014-12-18 Verfahren zur behandlung der oberfläche eines sicherheitsdokuments und sicherheitsdokument

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EP (1) EP3083263B1 (de)
KR (1) KR102251250B1 (de)
CN (1) CN106103126B (de)
AU (1) AU2014368503B2 (de)
CA (1) CA2934631C (de)
FR (1) FR3015356B1 (de)
PL (1) PL3083263T3 (de)
RU (1) RU2671098C1 (de)
WO (1) WO2015091873A1 (de)

Families Citing this family (6)

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Publication number Priority date Publication date Assignee Title
CN108136811B (zh) * 2015-10-02 2019-11-22 凸版印刷株式会社 防伪结构体
FR3087386B1 (fr) * 2018-10-22 2020-12-11 Oberthur Fiduciaire Sas Element de securite pour un document-valeur, son procede de fabrication et document-valeur qui le comporte
DE102019129964A1 (de) * 2019-11-06 2021-05-06 Bundesdruckerei Gmbh Sicherheitsdokument mit Oberflächenbeschichtung auf Basis von Nanomaterialien
KR102654981B1 (ko) * 2021-12-30 2024-04-05 인하대학교 산학협력단 멍게류 셀룰로오스 나노섬유의 층상 조립을 이용한 구조색을 갖는 코팅과 이를 응용한 위조방지보안 응용 장치 및 이의 제조방법
IT202200009200A1 (it) * 2022-05-05 2023-11-05 Giuseppe Vitiello Rivestimento protettivo a base di resina epossidica resistente alla fiamma, fotoluminescente, idrofobico
FR3136777A1 (fr) * 2022-06-17 2023-12-22 Oberthur Fiduciaire Sas Utilisation d'un copolymère époxy-silicone, composition fluide réticulable le contenant et billet de banque revêtu de cette composition

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FR3015356B1 (fr) 2015-12-25
CN106103126B (zh) 2018-10-16
CN106103126A (zh) 2016-11-09
KR20160118240A (ko) 2016-10-11
RU2671098C1 (ru) 2018-10-29
AU2014368503B2 (en) 2019-10-17
EP3083263A1 (de) 2016-10-26
PL3083263T3 (pl) 2018-02-28
CA2934631C (fr) 2022-09-20
AU2014368503A1 (en) 2016-08-04
WO2015091873A1 (fr) 2015-06-25
KR102251250B1 (ko) 2021-05-12
FR3015356A1 (fr) 2015-06-26
CA2934631A1 (fr) 2015-06-25
RU2016129646A (ru) 2018-01-23

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