EP2267686B1 - Safety label with authenticity and manipulation evidence - Google Patents

Safety label with authenticity and manipulation evidence Download PDF

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Publication number
EP2267686B1
EP2267686B1 EP09006199.5A EP09006199A EP2267686B1 EP 2267686 B1 EP2267686 B1 EP 2267686B1 EP 09006199 A EP09006199 A EP 09006199A EP 2267686 B1 EP2267686 B1 EP 2267686B1
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EP
European Patent Office
Prior art keywords
layer
security element
element according
release coating
security
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP09006199.5A
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German (de)
French (fr)
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EP2267686A1 (en
Inventor
Georg Aigner
Johann Hilburger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hueck Folien GmbH
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Hueck Folien GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to EP09006199.5A priority Critical patent/EP2267686B1/en
Application filed by Hueck Folien GmbH filed Critical Hueck Folien GmbH
Priority to PL09006199T priority patent/PL2267686T3/en
Priority to SI200930821T priority patent/SI2267686T1/en
Priority to ES09006199.5T priority patent/ES2437142T3/en
Priority to MX2011011835A priority patent/MX2011011835A/en
Priority to KR1020117028667A priority patent/KR101723697B1/en
Priority to JP2012508917A priority patent/JP5492292B2/en
Priority to PCT/EP2010/000762 priority patent/WO2010127730A1/en
Priority to US13/266,320 priority patent/US10115324B2/en
Priority to RU2011149642/12A priority patent/RU2523255C2/en
Priority to UAA201114411A priority patent/UA106075C2/en
Priority to CN201080019745.2A priority patent/CN102428507B/en
Priority to MYPI2011005314A priority patent/MY153471A/en
Publication of EP2267686A1 publication Critical patent/EP2267686A1/en
Application granted granted Critical
Publication of EP2267686B1 publication Critical patent/EP2267686B1/en
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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
    • G09F3/0292—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time tamper indicating labels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/03—Forms or constructions of security seals
    • G09F3/0305—Forms or constructions of security seals characterised by the type of seal used
    • G09F3/0341—Forms or constructions of security seals characterised by the type of seal used having label sealing means
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/08—Fastening or securing by means not forming part of the material of the label itself
    • G09F3/10—Fastening or securing by means not forming part of the material of the label itself by an adhesive layer

Definitions

  • the invention relates to a security label or adhesive tape with tamper evidence, in which upon detachment of the label from the object to be secured or the packaging to be secured, a hidden optical element is visible.
  • a primer layer is applied and then a layer which has no adhesion to the carrier film.
  • WO 01/93231 is a security label that has two microstructures, one of which is a diffractive structure, also recognizable in an unmanipulated state, and the other a release-controlling structure. In a tampering attempt at least parts of a reflecting layer, whereby a new visually recognizable information is visible.
  • the object of the present invention was to provide a security element, in particular a security label, which permits a proof of tampering, wherein the security feature is recognizable only during manipulation and can not be recognized in a non-manipulated state.
  • the security element should have a smooth, non-sticky surface on both surfaces in a manipulated state.
  • the subject matter of the present invention is therefore a security element, in particular a security label, according to the features of claim 1.
  • one or more further layer (s) with optical, optically active, diffractive, electrically conductive, and / or magnetic properties may be situated.
  • Carrier foils are, for example, carrier foils, preferably flexible plastic foils, for example made of PI, PP, MOPP, PE, PPS, PEEK, PEK, PEI, PSU, PAEK, LCP, PEN, PBT, PET, PA, PC, COC, POM, ABS, PVC, fluoropolymers such as Teflon and the like in question.
  • the carrier films have preferably a thickness of 5 to 700 .mu.m, preferably 5 to 200 .mu.m, particularly preferably 5 to 100 .mu.m.
  • the carrier substrate may be chemically pretreated or coated.
  • the coating may be a primer layer or a release layer.
  • the carrier substrate can be provided with a lacquer layer which has a diffractive structure.
  • Diffractive structures are here understood to mean diffraction structures, surface reliefs, diffraction gratings, holograms, kinegrams and the like.
  • This lacquer layer may be a radiation-curable lacquer layer or a thermoplastic lacquer layer.
  • the radiation-curable lacquer may contain, for example, a radiation-curable lacquer system based on a polyester, an epoxy or polyurethane system which contains two or more different photoinitiators familiar to the person skilled in the art, which can initiate curing of the lacquer system to varying degrees at different wavelengths.
  • a photoinitiator can be activated at a wavelength of 200 to 400 nm, the second photoinitiator then activatable at a wavelength of 370 to 600 nm.
  • Sufficient difference should be maintained between the activation wavelengths of the two photoinitiators to prevent over-excitation of the second photoinitiator while the first photoinitiator is activated.
  • the region in which the second photoinitiator is excited should be in the transmission wavelength range of the carrier substrate used.
  • electron radiation can be used for the main curing (activation of the second photoinitiator) also electron radiation can be used.
  • a water-thinnable varnish can also be used. Preference is given to polyester-based paint systems.
  • a water-dilutable radiation-curable lacquer is used, it is optionally possible to precede predrying, for example by means of IR radiators.
  • thermoplastic varnish which is subsequently stabilized, consists of a base MMA or ethylcellulose or cycloolefin copolymer, modifiers being added to the base polymer to adjust the required thermoplastic properties or to adjust the subsequent stabilizability.
  • modifiers include, for example, additives for adjusting the desired glass transition temperature, the range in which the paint is in the thermoplastic state, or modifiers for achieving permanent curing of the paint.
  • the components are dissolved in a solvent, for example in aqueous solvents, water, alcohols, ethyl acetate, methyl ethyl ketone and the like or mixtures thereof.
  • a solvent for example in aqueous solvents, water, alcohols, ethyl acetate, methyl ethyl ketone and the like or mixtures thereof.
  • nitrocellulose for increasing the glass transition temperature is particularly advantageously added to a paint based on MMA.
  • polyethylene waxes to a lacquer based on cycloolefin copolymers.
  • crosslinkers are added to an ethylcellulose-based lacquer to adjust the hardenability.
  • the concentration of the base polymer in the finished paint is 4-50%.
  • the structuring can take place by means of a conventional thermal embossing process.
  • the layer thickness of the applied paint can vary depending on the requirements of the end product and thickness of the substrate and is generally between 0.5 and 50 .mu.m, preferably between 2 and 10 .mu.m, more preferably between 2 and 5 microns.
  • a reflective layer or a high refractive index layer is deposited.
  • This layer can be applied over the entire surface or partially, but at least partially overlapping with the release lacquer layer.
  • a reflective layer for example, layers of a metal, or an alloy in question.
  • a metal layer layers of Al, Cu, Fe, Ag, Au, Cr, Ni, Zn and the like are suitable.
  • Suitable alloys are, for example, Cu-Al alloys, Cu-Zn alloys and the like.
  • layers of metal compounds come into question.
  • suitable metal compounds are oxides or sulfides of metals, in particular TiO 2 , Cr oxides, ZnS, ITO, ATO, FTO, ZnO, Al 2 O 3 or silicon oxides.
  • the thickness of the layer is preferably 10-100 nm, most preferably 20-50 nm.
  • This release lacquer layer may optionally be a colored or pigmented release lacquer layer.
  • the release lacquer layer may have luminescent, in particular fluorescent or luminescent properties, electrically conductive properties and or magnetic properties.
  • the release lacquer layer is preferably based on aqueous binders or solvent-containing binders.
  • the release varnish layer is applied in the form of characters, symbols, letters, character sequences, logos, lines, guilloches, and the like.
  • Suitable primer layers are known compositions based on polyurethane, polyvinyl chloride or acrylates and copolymers thereof.
  • An adhesive coating for example a cold or hot-seal adhesive coating or self-adhesive coating, is applied to this adhesion promoter layer. With this adhesive coating, the label is fixed on the object to be secured.
  • This adhesive coating or the adhesion promoter layer infiltrates the metallic layer or the layer with a high refractive index at those locations where no release lacquer layer is present. As a result, the adhesion to the carrier substrate or the layers applied thereto is destroyed.
  • the adhesive coating or the adhesion promoter separates the metallization from the carrier substrate in those areas in which no release lacquer layer is present. In areas where a release varnish layer is present, the metallization is not released from the support substrate but only the release varnish layer, i. the structure is split between layers b) and c).
  • the security element according to the invention can be applied as a security element on packaging materials or used in ready-made form as labels in any form (square, round, oval) or as adhesive tape for securing objects or packaging

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Laminated Bodies (AREA)
  • Credit Cards Or The Like (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Adhesive Tapes (AREA)
  • Paints Or Removers (AREA)

Abstract

The security element has a carrier substrate comprised of a lacquer layer. A layer with optical, optically active, diffractive, electrically conductive and/or magnetic characteristics is arranged between the substrate and a reflective layer or a layer with high refractive index. An adhesive agent layer is arranged between a colored or pigmented partial separating lacquer layer and a complete adhesive coating i.e. hot- or cold sealing adhesive coating or self adhesive coating. The separating lacquer layer is applied in form of figure, symbol, letter, character string, logo, line or guilloche.

Description

Die Erfindung betrifft ein Sicherheitsetikett oder -klebeband mit Manipulationsnachweis, bei dem bei Ablösen des Etiketts vom zu sichernden Gegenstand oder der zu sichernden Verpackung ein verborgenes optisches Element sichtbar wird.The invention relates to a security label or adhesive tape with tamper evidence, in which upon detachment of the label from the object to be secured or the packaging to be secured, a hidden optical element is visible.

Dokument US 2002 0191234 wird als nächstliegenden Stand der Technik gegenüber dem Gegenstand des Anspruchs 1 angesehen.document US 2002 0191234 is considered to be the closest prior art to the subject-matter of claim 1.

Aus der DE 100 22 002 A1 ist ein Sicherheitsklebeband zum Nachweis des unbefugten Öffnens einer Verpackung bekannt. Das mehrschichtige Klebeband weist einen Träger auf Basis einer gereckten Thermoplastfolie auf, dessen obere Seite gegebenenfalls mit einer Trennlackierung beschichtet ist und auf dessen unterer Seite folgende Schichten aufgebracht sind:

  1. a) eine nicht vollflächig aufgetragene Primerschicht, wobei die Primerschicht sehr gut auf der Thermoplastfolie verankert ist,
  2. b) eine vollflächig über die aufgetragene Primerschicht und die freie Thermoplastfolienoberfläche aufgetragene Trennschicht, wobei die Trennschicht besser auf der Primerschicht verankert als auf der Thermoplastfolie und
  3. c) eine vollflächig auf die Trennschicht aufgetragene Haftklebemasse, die auf der Trennschicht besser verankert ist als die Trennschicht auf der Thermoplastfolie.
From the DE 100 22 002 A1 a security tape for detecting the unauthorized opening of a package is known. The multilayer adhesive tape has a carrier based on a stretched thermoplastic film whose upper side is optionally coated with a release coating and on the lower side of which the following layers are applied:
  1. a) a non-fully applied primer layer, wherein the primer layer is anchored very well on the thermoplastic film,
  2. b) an over the entire surface of the applied primer layer and the free thermoplastic film surface applied release layer, wherein the release layer anchored better on the primer layer than on the thermoplastic film and
  3. c) a pressure-sensitive adhesive applied over the full area to the separating layer, which is better anchored on the separating layer than the separating layer on the thermoplastic film.

Dabei wird eine Primerschicht aufgebracht und anschließend eine Schicht, die keine Haftung zur Trägerfolie aufweist.In this case, a primer layer is applied and then a layer which has no adhesion to the carrier film.

Nachteil dieses Aufbaus ist, dass das abgezogene Klebeband immer noch klebrig ist, da die Klebeschicht nach Abzug an der Oberfläche liegt.Disadvantage of this structure is that the removed tape is still sticky, since the adhesive layer is after deduction on the surface.

Aus WO 01/93231 ist ein Sicherheitsetikett, das zwei Mikrostrukturen aufweist, von denen eine, eine auch in nicht manipuliertem Zustand erkennbare, diffraktive Struktur und die andere eine, den Release kontrollierende, Struktur ist. Bei einem Manipulationsversuch werden zumindest Teile einer reflektierenden Schicht abgelöst, wodurch eine neue visuell erkennbare Information sichtbar wird.Out WO 01/93231 is a security label that has two microstructures, one of which is a diffractive structure, also recognizable in an unmanipulated state, and the other a release-controlling structure. In a tampering attempt at least parts of a reflecting layer, whereby a new visually recognizable information is visible.

Aufgabe der vorliegenden Erfindung war es ein Sicherheitselement, insbesondere ein Sicherheitsetikett bereitzustellen, das einen Manipulationsnachweis erlaubt, wobei das Sicherheitsmerkmal erst bei Manipulation erkennbar ist und in nicht manipuliertem Zustand nicht erkennbar ist.The object of the present invention was to provide a security element, in particular a security label, which permits a proof of tampering, wherein the security feature is recognizable only during manipulation and can not be recognized in a non-manipulated state.

Ferner soll das Sicherheitselement auf beiden Oberflächen in manipuliertem Zustand eine glatte, nicht klebrige Oberfläche aufweisen.Furthermore, the security element should have a smooth, non-sticky surface on both surfaces in a manipulated state.

Gegenstand der vorliegenden Erfindung ist daher ein Sicherheitselement, insbesondere ein Sicherheitsetikett, gemäß den Merkmalen des Anspruchs 1.The subject matter of the present invention is therefore a security element, in particular a security label, according to the features of claim 1.

Zwischen den Schichten a) und b) kann gegebenenfalls eine oder mehrere weitere Schicht(en) mit optischen, optisch aktiven, diffraktiven, elektrisch leitfähigen, und/oder magnetischen Eigenschaften situiert sein.Between the layers a) and b) optionally one or more further layer (s) with optical, optically active, diffractive, electrically conductive, and / or magnetic properties may be situated.

Als Trägersubstrat kommen beispielsweise Trägerfolien, vorzugsweise flexible Kunststofffolien, beispielsweise aus Pl, PP, MOPP, PE, PPS, PEEK, PEK, PEI, PSU, PAEK, LCP, PEN, PBT, PET, PA, PC, COC, POM, ABS, PVC, Fluorpolymere, wie Teflon und dergleichen in Frage. Die Trägerfolien weisen vorzugsweise eine Dicke von 5 - 700 µm, bevorzugt 5 - 200 µm, besonders bevorzugt 5 - 100 µm auf.Carrier foils are, for example, carrier foils, preferably flexible plastic foils, for example made of PI, PP, MOPP, PE, PPS, PEEK, PEK, PEI, PSU, PAEK, LCP, PEN, PBT, PET, PA, PC, COC, POM, ABS, PVC, fluoropolymers such as Teflon and the like in question. The carrier films have preferably a thickness of 5 to 700 .mu.m, preferably 5 to 200 .mu.m, particularly preferably 5 to 100 .mu.m.

Gegebenenfalls kann das Trägersubstrat chemisch vorbehandelt oder beschichtet sein. Die Beschichtung kann eine Haftvermittlerschicht oder eine Releaseschicht sein.Optionally, the carrier substrate may be chemically pretreated or coated. The coating may be a primer layer or a release layer.

Ferner kann das Trägersubstrat mit einer Lackschicht, die eine diffraktive Struktur aufweist versehen sein.Furthermore, the carrier substrate can be provided with a lacquer layer which has a diffractive structure.

Unter diffraktiven Strukturen werden hier Beugungsstrukturen, Oberflächenreliefs, Beugungsgitter, Hologramme, Kinegramme und dergleichen verstanden.Diffractive structures are here understood to mean diffraction structures, surface reliefs, diffraction gratings, holograms, kinegrams and the like.

Diese Lackschicht kann eine strahlungshärtbare Lackschicht oder eine thermoplastische Lackschicht sein.This lacquer layer may be a radiation-curable lacquer layer or a thermoplastic lacquer layer.

Der strahlungshärtbare Lack kann beispielsweise ein strahlungshärtbares Lacksystem auf Basis eines Polyester-, eines Epoxy- oder Polyurethansystems das zwei oder mehr verschiedene, dem Fachmann geläufige Photoinitiatoren enthält, die bei unterschiedlichen Wellenlängen eine Härtung des Lacksystems in unterschiedlichem Ausmaß initiieren können. So kann beispielsweise ein Photoinitiator bei einer Wellenlänge von 200 bis 400 nm aktivierbar sein, der zweite Photoinitiator dann bei einer Wellenlänge von 370 bis 600 nm aktivierbar. Zwischen den Aktivierungswellenlängen der beiden Photoinitiatoren sollte genügend Differenz eingehalten werden, damit nicht eine zu starke Anregung des zweiten Photoinitiators erfolgt, während der erste Photoinitiator aktiviert wird. Der Bereich, in dem der zweite Photoinitiator angeregt wird, sollte im Transmissionswellenlängenbereich des verwendeten Trägersubstrats liegen. Für die Haupthärtung (Aktivierung des zweiten Photoinitiators) kann auch Elektronenstrahlung verwendet werden.The radiation-curable lacquer may contain, for example, a radiation-curable lacquer system based on a polyester, an epoxy or polyurethane system which contains two or more different photoinitiators familiar to the person skilled in the art, which can initiate curing of the lacquer system to varying degrees at different wavelengths. Thus, for example, a photoinitiator can be activated at a wavelength of 200 to 400 nm, the second photoinitiator then activatable at a wavelength of 370 to 600 nm. Sufficient difference should be maintained between the activation wavelengths of the two photoinitiators to prevent over-excitation of the second photoinitiator while the first photoinitiator is activated. The region in which the second photoinitiator is excited should be in the transmission wavelength range of the carrier substrate used. For the main curing (activation of the second photoinitiator) also electron radiation can be used.

Als strahlungshärtbarer Lack kann auch ein wasserverdünnbarer Lack verwendet werden. Bevorzugt werden Lacksysteme auf Polyesterbasis.As a radiation-curable varnish, a water-thinnable varnish can also be used. Preference is given to polyester-based paint systems.

Die Abformung der Oberflächenstruktur, also der Diffraktions-, Beugungs- oder Reliefstruktur erfolgt beispielsweise bei kontrollierter Temperatur mittels einer Matrize oder unter Verwendung einer Prägeform in die strahlungshärtbare Lackschicht, die durch Aktivierung des ersten Photoinitiators bis zum Gelpunkt vorgehärtet wurde und zum Zeitpunkt der Abformung sich in diesem Stadium befindet.The impression of the surface structure, ie the diffraction, diffraction or relief structure, for example, at controlled temperature by means of a die or using a stamping die in the radiation-curable lacquer layer, which was pre-cured by activation of the first photoinitiator to the gel point and at the time of molding in this stage is located.

Wird ein wasserverdünnbarer strahlungshärtbarer Lack verwendet kann gegebenenfalls eine Vortrocknung vorgeschaltet werden, beispielsweise durch IR-Strahler.If a water-dilutable radiation-curable lacquer is used, it is optionally possible to precede predrying, for example by means of IR radiators.

Der thermoplastische Lack, der anschließend stabilisiert wird, besteht aus einer Basis MMA oder Ethylcellulose oder Cycloolefincopolymer, wobei dem Basispolymer zur Einstellung der geforderten thermoplastischen Eigenschaften bzw. zur Einstellung der anschließenden Stabilisierbarkeit Modifikatoren zugesetzt werden.The thermoplastic varnish, which is subsequently stabilized, consists of a base MMA or ethylcellulose or cycloolefin copolymer, modifiers being added to the base polymer to adjust the required thermoplastic properties or to adjust the subsequent stabilizability.

In Abhängigkeit vom Basispolymer kommen als Modifikatoren beispielsweise Additive zur Einstellung der gewünschten Glastemperatur, des Bereichs in dem sich der Lack in thermoplastischem Zustand befindet, oder Modifikatoren zur Erreichung einer dauerhaften Aushärtung des Lacks in Frage.Depending on the base polymer, modifiers include, for example, additives for adjusting the desired glass transition temperature, the range in which the paint is in the thermoplastic state, or modifiers for achieving permanent curing of the paint.

Vorzugsweise werden die Komponenten in einem Lösungsmittel, beispielsweise in wässrigen Lösungsmitteln, Wasser, Alkoholen, Ethylacetat, Methylethylketon und dergleichen oder deren Mischungen gelöst.Preferably, the components are dissolved in a solvent, for example in aqueous solvents, water, alcohols, ethyl acetate, methyl ethyl ketone and the like or mixtures thereof.

Einem Lack auf Basis von MMA wird beispielsweise besonders vorteilhaft Nitrocellulose zur Erhöhung der Glastemperatur zugesetzt.For example, nitrocellulose for increasing the glass transition temperature is particularly advantageously added to a paint based on MMA.

Einem Lack auf der Basis von Cycloolefincopolymeren werden beispielsweise besonders vorteilhaft Polyethylenwachse zugesetzt.For example, it is particularly advantageous to add polyethylene waxes to a lacquer based on cycloolefin copolymers.

Einem Lack auf Basis von Ethylcellulose werden zur Einstellung der Härtbarkeit handelsübliche Crosslinker zugesetzt.Commercially available crosslinkers are added to an ethylcellulose-based lacquer to adjust the hardenability.

Die Konzentration des Basispolymeren im fertigen Lack beträgt in Abhängigkeit vom Basispolymeren, von den gewünschten Eigenschaften des Lacks und von der Art und Konzentration der Modifikatoren 4 - 50%.The concentration of the base polymer in the finished paint, depending on the base polymer, on the desired properties of the paint and on the type and concentration of the modifiers is 4-50%.

Die Strukturierung kann mittels eines konventionellen thermischen Prägeverfahrens erfolgen.The structuring can take place by means of a conventional thermal embossing process.

Die Schichtdicke des aufgebrachten Lacks kann je nach Anforderung an das Endprodukt und Dicke des Substrats variieren und beträgt im allgemeinen zwischen 0,5 und 50 µm, vorzugsweise zwischen 2 und 10 µm, besonders bevorzugt zwischen 2 und 5 µm.The layer thickness of the applied paint can vary depending on the requirements of the end product and thickness of the substrate and is generally between 0.5 and 50 .mu.m, preferably between 2 and 10 .mu.m, more preferably between 2 and 5 microns.

Anschließend wird eine reflektierende Schicht oder eine Schicht mit hohem Brechungsindex aufgebracht.Subsequently, a reflective layer or a high refractive index layer is deposited.

Diese Schicht kann vollflächig oder partiell, zumindest aber teilweise überlappend mit der Trennlackschicht aufgebracht sein.This layer can be applied over the entire surface or partially, but at least partially overlapping with the release lacquer layer.

Als reflektierende Schicht kommen beispielsweise Schichten aus einem Metall, oder einer Legierung in Frage. Als Metallschicht sind Schichten aus Al, Cu, Fe, Ag, Au, Cr, Ni, Zn und dergleichen geeignet. Geeignete Legierungen sind beispielsweise Cu-Al Legierungen, Cu-Zn Legierungen und dergleichen.As a reflective layer, for example, layers of a metal, or an alloy in question. As the metal layer, layers of Al, Cu, Fe, Ag, Au, Cr, Ni, Zn and the like are suitable. Suitable alloys are, for example, Cu-Al alloys, Cu-Zn alloys and the like.

Als Schicht mit hohem Brechungsindex kommen beispielsweise Schichten aus Metallverbindungen in Frage.As a layer with a high refractive index, for example, layers of metal compounds come into question.

Als Metallverbindungen sind beispielsweise Oxide oder Sulfide von Metallen, insbesondere TiO2, Cr-Oxide, ZnS, ITO, ATO, FTO, ZnO, Al2O3 oder Siliciumoxide geeignet.Examples of suitable metal compounds are oxides or sulfides of metals, in particular TiO 2 , Cr oxides, ZnS, ITO, ATO, FTO, ZnO, Al 2 O 3 or silicon oxides.

Die Dicke der Schicht beträgt vorzugsweise 10 - 100 nm, besodners bevorzugt 20 - 50 nm.The thickness of the layer is preferably 10-100 nm, most preferably 20-50 nm.

Anschließend wird eine partielle Schicht eines Trennlacks aufgebracht. Diese Trennlackschicht kann ggf. eine gefärbte oder pigmentierte Trennlackschicht sein.Subsequently, a partial layer of a release varnish is applied. This release lacquer layer may optionally be a colored or pigmented release lacquer layer.

Die Trennlackschicht kann lumineszierende, insbesondere fluoreszierende oder lumineszierende Eigenschaften, elektrisch leitfähige Eigenschaften und oder magnetische Eigenschaften aufweisen.The release lacquer layer may have luminescent, in particular fluorescent or luminescent properties, electrically conductive properties and or magnetic properties.

Vorzugsweise ist die Trennlackschicht auf Basis wässriger Bindemittel oder lösungsmittelhaltiger Bindemittel aufgebaut.The release lacquer layer is preferably based on aqueous binders or solvent-containing binders.

Vorzugsweise ist die Trennlackschicht in Form von Zeichen, Symbolen, Buchstaben, Buchstabenfolgen, Logos, Linien, Guillochen und dergleichen aufgebracht.Preferably, the release varnish layer is applied in the form of characters, symbols, letters, character sequences, logos, lines, guilloches, and the like.

Anschließend wird auf diese Trennlackschicht gegebenenfalls eine vollflächige Haftvermittlerschicht aufgebracht.Subsequently, a full-surface adhesion promoter layer is applied to this release coating, if appropriate.

Als Haftvermittlerschichten kommen bekannte Zusammensetzungen auf Basis von Polyurethan, Polyvinylchlorid oder Acrylaten und deren Copolymere in Frage.Suitable primer layers are known compositions based on polyurethane, polyvinyl chloride or acrylates and copolymers thereof.

Auf diese Haftvermittlerschicht wird eine Klebebeschichtung, beispielsweise eine Kalt- oder Heißsiegelklebeschichtung oder Selbstklebebeschichtung aufgebracht. Mit dieser Klebebeschichtung wird das Etikett auf dem zu sichernden Gegenstand fixiert.An adhesive coating, for example a cold or hot-seal adhesive coating or self-adhesive coating, is applied to this adhesion promoter layer. With this adhesive coating, the label is fixed on the object to be secured.

Diese Klebebeschichtung bzw. die Haftvermittlerschicht unterwandert an jenen Stellen, an denen keine Trennlackschicht vorhanden ist, die metallische Schicht bzw. die Schicht mit hohem Brechungsindex. Dadurch wird die Haftung zum Trägersubstrat, bzw. den darauf aufgebrachten Schichten zerstört.This adhesive coating or the adhesion promoter layer infiltrates the metallic layer or the layer with a high refractive index at those locations where no release lacquer layer is present. As a result, the adhesion to the carrier substrate or the layers applied thereto is destroyed.

Wird das Etikett mit der Klebebeschichtung auf den zu sichernden Gegenstand aufgebracht, ist durch die über der Trennlackschicht liegende metallischeIf the label is applied with the adhesive coating on the object to be secured, is by lying on the release coat layer metallic

Schicht bzw. die Schicht mit hohem Brechungsindex die partielle Trennlackschicht nicht erkennbar.Layer or the layer of high refractive index, the partial release coating layer not visible.

Beim Ablösen des Etiketts wird durch die Klebebeschichtung bzw. den Haftvermittler die Metallisierung vom Trägersubstrat in jenen Bereichen, in denen keine Trennlackschicht vorhanden ist, getrennt. In den Bereichen, in denen eine Trennlackschicht vorhanden ist, wird die Metallisierung nicht vom Trägersubstrat gelöst, sondern nur die Trennlackschicht, d.h. der Aufbau wird zwischen den Schichten b) und c) gespalten.When the label is peeled off, the adhesive coating or the adhesion promoter separates the metallization from the carrier substrate in those areas in which no release lacquer layer is present. In areas where a release varnish layer is present, the metallization is not released from the support substrate but only the release varnish layer, i. the structure is split between layers b) and c).

Dadurch werden die als Trennlackschicht gedruckten Informationen erkennbar.As a result, the printed as a release coating layer information can be seen.

Außerdem ist die Oberfläche sowohl des abgezogenen als auch das am zu sichernden Gegenstand verbleibende Teil des Etiketts trocken und nicht klebrig.In addition, the surface of both the stripped and the object to be secured on remaining part of the label is dry and not sticky.

Das erfindungsgemäße Sicherheitselement kann als Sicherheitselement auf Verpackungsmaterialien aufgebracht werden oder in konfektionierter Form als Etiketten in beliebiger Form (eckig, rund, oval) oder als Klebeband zur Sicherung von Gegenständen oder Verpackungen verwendet werdenThe security element according to the invention can be applied as a security element on packaging materials or used in ready-made form as labels in any form (square, round, oval) or as adhesive tape for securing objects or packaging

Claims (11)

  1. Security element, in particular for security, labels or adhesive strips, characterized in that it has the following layers:
    a) a carrier substrate
    b) a reflective layer or layer with a high refractive index
    c) a partial release coating layer
    d) an all-over adhesion promoter layer
    e) an all-over adhesive coating,
    the adhesion promoter layer d) destroying the adhesion of the layer b) with respect to the carrier substrate a) at those places at which there is no release coating layer c) and, in the event of attempted tampering by pulling off, the layer b) being separated from the carrier substrate a) in those regions in which there is no release coating layer c).
  2. Security element according to Claim 1, characterized in that between the layers a) and b) there is (are) situated one or more further layer(s) with optical, optically active, diffractive, electrically conductive and/or magnetic properties.
  3. Security element according to either of Claims 1 and 2, characterized in that the carrier substrate has a coating layer with a diffractive structure.
  4. Security element according to one of Claims 1 to 3, characterized in that the partial release coating layer c) is applied in the form of characters, symbols, letters, sequences of letters, logos, lines, guilloches.
  5. Security element according to one of Claims 1 to 4, characterized in that the release coating layer c) is a coloured or pigmented release coating layer.
  6. Security element according to Claim 5, characterized in that the release coating layer c) is a layer with optical, luminescent, electrically conductive and/or magnetic properties.
  7. Security element according to one of Claims 1 to 6, characterized in that the reflective layer b) is a layer of a metal or an alloy.
  8. Security element according to one of Claims 1 to 6, characterized in that the layer with a high refractive index b) is a layer of a metal compound.
  9. Security element according to one of Claims 1 to 8, characterized in that, after attempted tampering, the surface both of the pulled-off part of the label and of the part of the label remaining on the item to be protected is dry and not sticky.
  10. Security element according to one of Claims 1 to 9, characterized in that the layer e) is a hot- or cold-sealing adhesive coating or a self-adhesive coating.
  11. Use of the security element according to one of Claims 1 to 10 for security labels, adhesive strips or security films.
EP09006199.5A 2009-05-07 2009-05-07 Safety label with authenticity and manipulation evidence Active EP2267686B1 (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
PL09006199T PL2267686T3 (en) 2009-05-07 2009-05-07 Safety label with authenticity and manipulation evidence
SI200930821T SI2267686T1 (en) 2009-05-07 2009-05-07 Safety label with authenticity and manipulation evidence
ES09006199.5T ES2437142T3 (en) 2009-05-07 2009-05-07 Security label with authenticity detection and manipulation
EP09006199.5A EP2267686B1 (en) 2009-05-07 2009-05-07 Safety label with authenticity and manipulation evidence
CN201080019745.2A CN102428507B (en) 2009-05-07 2010-02-08 There is the safety label of reliability demonstration and operation demonstration
JP2012508917A JP5492292B2 (en) 2009-05-07 2010-02-08 Security label with authenticity and tamper detection system
MX2011011835A MX2011011835A (en) 2009-05-07 2010-02-08 Security label comprising an authenticity and manipulation detector.
US13/266,320 US10115324B2 (en) 2009-05-07 2010-02-08 Security label comprising an authenticity and manipulation detector
RU2011149642/12A RU2523255C2 (en) 2009-05-07 2010-02-08 Safety label provided with system of authenticity confirmation and detection of manipulations
UAA201114411A UA106075C2 (en) 2009-05-07 2010-02-08 Normal;heading 1;heading 2;heading 3;SECURITY LABEL COMPRISING AN AUTHENTICITY AND MANIPULATION DETECTOR
KR1020117028667A KR101723697B1 (en) 2009-05-07 2010-02-08 Security label comprising an authenticity and manipulation detector
MYPI2011005314A MY153471A (en) 2009-05-07 2010-02-08 Security label comprising an authenticity and manipulation detector
PCT/EP2010/000762 WO2010127730A1 (en) 2009-05-07 2010-02-08 Security label comprising an authenticity and manipulation detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09006199.5A EP2267686B1 (en) 2009-05-07 2009-05-07 Safety label with authenticity and manipulation evidence

Publications (2)

Publication Number Publication Date
EP2267686A1 EP2267686A1 (en) 2010-12-29
EP2267686B1 true EP2267686B1 (en) 2013-11-20

Family

ID=41198650

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09006199.5A Active EP2267686B1 (en) 2009-05-07 2009-05-07 Safety label with authenticity and manipulation evidence

Country Status (13)

Country Link
US (1) US10115324B2 (en)
EP (1) EP2267686B1 (en)
JP (1) JP5492292B2 (en)
KR (1) KR101723697B1 (en)
CN (1) CN102428507B (en)
ES (1) ES2437142T3 (en)
MX (1) MX2011011835A (en)
MY (1) MY153471A (en)
PL (1) PL2267686T3 (en)
RU (1) RU2523255C2 (en)
SI (1) SI2267686T1 (en)
UA (1) UA106075C2 (en)
WO (1) WO2010127730A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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AT510505B1 (en) * 2010-08-13 2013-02-15 Hueck Folien Gmbh SAFETY LABEL WITH MANIPULATION DETECTION
FR2979735B1 (en) * 2011-09-02 2014-05-23 Arjowiggins Security SECURITY STRUCTURE COMPRISING TRANSPARENT VARNISH AND ASSOCIATED METHOD

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JPH0973261A (en) * 1995-09-06 1997-03-18 Toppan Printing Co Ltd Brittle hologram seal
JP2958265B2 (en) * 1996-04-11 1999-10-06 協和特殊印刷株式会社 Shielding seal
DE10022002A1 (en) 1999-12-29 2001-07-12 Beiersdorf Ag Security tape for proof of unauthorized opening of packaging
DE10010983A1 (en) * 2000-03-07 2001-09-13 Basf Ag Reusable protective film or label, coated with adhesive containing copolymer including ureido- or thioureido-substituted monomer units as binder, allowing easy removal without leaving residues
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Also Published As

Publication number Publication date
UA106075C2 (en) 2014-07-25
RU2011149642A (en) 2013-06-20
CN102428507A (en) 2012-04-25
EP2267686A1 (en) 2010-12-29
RU2523255C2 (en) 2014-07-20
US10115324B2 (en) 2018-10-30
JP5492292B2 (en) 2014-05-14
KR20120024687A (en) 2012-03-14
SI2267686T1 (en) 2014-02-28
ES2437142T3 (en) 2014-01-09
KR101723697B1 (en) 2017-04-05
CN102428507B (en) 2016-01-20
MX2011011835A (en) 2011-12-06
US20120112450A1 (en) 2012-05-10
WO2010127730A1 (en) 2010-11-11
MY153471A (en) 2015-02-13
PL2267686T3 (en) 2014-04-30
JP2012526292A (en) 2012-10-25

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