• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a security label or adhesive tape with tamper evidence comprising a flexible carrier substrate based on a flexible plastic film, which is characterized in that the following layers are applied to a surface of the carrier substrate 1: a) an embossed lacquer layer 2b) a semitransparent metal layer or a C) a first, partial release lacquer layer in the form of letters, characters, symbols, lines, guilloches, numbers or lettering 4, d) one or more lacquer layer (s) with optical properties 5, e) a second, g) a self-adhesive coating 8, the adhesion of all layers to one another and the adhesion of the layer 8 to the object 9 to be secured being greater than the adhesion of the layers in the areas not coated with the release lacquer layer 4 Layer 5 to layer 6 or layer 6 to layer 7 and w obei in the areas coated with the release varnish layer 4, the adhesion of all layers to each other and the adhesion of the layer 8 to be secured object 9 are greater than the adhesion of the layer 3 to the layer 4 or the layer 4 to the layer 5 and in particular the adhesion of the layer 3 to the layer 4 or the layer 4 to the layer 5 is less than the adhesion of both the layer 5 to the layer 6 and the layer 6 to the layer 7th
    公开号:AT510520A1
    申请号:T1355/2010
    申请日:2010-08-13
    公开日:2012-04-15
    发明作者:Marco Mayrhofer；Georg Aigner
    申请人:Hueck Folien Gmbh；
    IPC主号:
    专利说明:

    •
    Security label with proof of tampering
    The invention relates to a tamper evident security tag or tape having an optically active security feature and an optical feature.
    By an optically active feature are meant here diffraction structures, diffraction gratings, surface reliefs, holograms, kinegrams and the like.
    Safety labels or adhesive tapes in the sense of the present invention fulfill two tasks: On the one hand, the label or adhesive tape is to ensure the authenticity of a product or the integrity of a package by providing an optically active security feature. Preferably holograms are used for this purpose, which are well established in the field of product protection and therefore offer a high degree of acceptance, recognition and security. On the other hand, however, a manipulation attempt, ie an unauthorized attempt to replace the label or adhesive tape, should be clearly recognizable. The latter measure ensures that the user can be credibly assured that a product protected by such a label or adhesive tape is genuine and in its original packaging.
    Typical holograms, which are already used today in product protection and as security features for value documents, usually have a shiny metallic basic appearance, which generates a game of rainbow colors when changing the viewing angle by diffraction of light on the structures of the hologram. However, these diffractive effects are always very similar and all such products have metallic gloss in common. There is therefore a need for new optically variable effects, which differ from the conventional not only by the motif of the hologram, but also by the basic color or a different gloss.
    From KR 10079525 a hologram foil and a method for its production is known. The structure consists of a carrier substrate, a release layer, an embossed layer (hologram layer), a partial metal layer, a masking layer, a printing layer and an adhesive layer. The print layer and the adhesive layer have different fluorescent characteristics. A proof of tampering is not possible with this structure.
    Furthermore, so-called dry peel labels are known from decorative applications or packaging applications. These are characterized in that the label consists of two parts, which can be easily separated from each other. After sticking the label on an object these two parts are still connected. If you now remove the upper part of the label, which often has a touch tab or the like, the lower part of the label remains together with the self-adhesive coating on the object. However, the self-adhesive coating is covered on the side facing away from the object by a film or a lacquer layer, so that the remaining part of the object no longer feels sticky ("dry"). Furthermore, it is practically impossible by this special design to stick the peeled part of the label again, as well as the peeled part is no longer sticky.
    Combinations of such dry peel labels with a proof of tampering are also known, for example, from EP-A 1 113 059. The label or adhesive tape described there, however, has no optically active security features.
    The object of the invention was therefore to provide a security label or adhesive tape, which has both an optically active security element and a visually recognizable manipulation proof and differs in the overall visual impression of conventional metallic shiny optically active structures, wherein after the triggering of the tampering, neither the withdrawn part nor the part of the label or adhesive tape remaining on the object to be secured are sticky.
    The invention therefore relates to a security label or adhesive tape with tamper evidence comprising a flexible carrier substrate based on a flexible plastic film, characterized in that the following layers are applied to a surface of the carrier substrate: a) an embossed lacquer layer b) a semitransparent metal layer or a layer c) a first, partial release lacquer layer in the form of letters, characters, symbols, lines, guilloches, numbers or lettering, d) one or more lacquer layer (s) having optical properties, e) a second, full-surface release lacquer layer f) a g) a self-adhesive coating, the adhesion of all layers to one another and the adhesion of the layer g) to the object to be protected being greater than the adhesion of the layer d) to the layer e) or of the areas not coated with the release lacquer layer c) Layer e) to layer f) and wherein in the adhesion of all layers to one another and the adhesion of the layer g) to the object to be protected are greater than the adhesion of the layer b) to the layer c) or the layer c) to the layer d) and in particular to the areas coated with the release lacquer layer c) Adhesion of the layer b) to the layer c) or the layer c) to the layer d) is less than the adhesion of both the layer d) to the layer e) and the layer e) to the layer f). * 4th • * * * * * * * * * * * * * * * * * * * * * I I. · «· · F * I · 4
    For example, carrier foils are preferably flexible plastic foils, for example, 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 preferably have a thickness of 5 to 700 μm, preferably 5 to 200 μm, more preferably 5 to 100 μm.
    On a surface of the carrier substrate in the first step, a lacquer layer a) is applied, which is embossed in the same operation or in a subsequent process. The adhesion of the varnish layer a) to the carrier substrate must be so good that neither when the label is detached from a liner or when the adhesive tape rolls off nor when the manipulation detection is triggered does the layer composite separate along this interface.
    If the adhesion of the lacquer layer a) to the carrier substrate is not sufficient without further measures, an adhesion promoter layer can be applied to the carrier substrate before coating with the layer a), which improves the adhesion of the lacquer layer a) to the carrier substrate. Alternatively, a corresponding chemically or physically pretreated carrier substrate can be used.
    However, it may well be desired that the layered composite separates at the interface between layer a) and the carrier substrate, e.g. when the label is executed as a so-called transfer label. In this embodiment of the invention, the adhesion between layer a) and the carrier substrate is less than the adhesion of layers a) to g) to one another. After applying the label to an article by means of the adhesive layer, the carrier substrate can be removed without triggering proof of tampering. This proof of tampering then takes place e.g. by the so-called Tesa test, by sticking an adhesive tape or another label on the remaining on the object layer structure and is removed again. In this case, the proof of tampering is triggered and a portion of the layers withdrawn according to claim 1 again.
    In order to reduce the adhesion, the carrier substrate can be provided, for example, with a release layer. If the embossed lacquer layer a) already exhibits poor adhesion to the carrier substrate without further measures, no release layer is necessary for use as a transfer label. Suitable release layers are, in particular, known poorly adhering coating compositions, for example based on methacrylate. Furthermore, even very thinly applied oil layers, polyamide, polyethylene, silicone or fluoropolymer wax layers can be used as a release layer. Subsequently, the lacquer layer a) is applied as described above.
    The lacquer layer a) has a surface structure on the surface facing away from the carrier substrate, for example a surface relief, a hologram, a diffraction structure or a diffraction grating. This structure can be produced by means of known hot embossing or UV embossing processes by molding structures present on an embossing tool. When using a hot embossing process, the lacquer layer a) is a thermoplastic lacquer layer; when using a UV embossing process, the lacquer layer a) is radiation-curing. Such embossing methods are well known to the person skilled in the art, or disclosed in EP-A 1 310 381, the contents of which are hereby included in the present application in full volume.
    The layer thickness of the applied lacquer layer a) can vary depending on the requirements of the end product and thickness of the substrate and is generally between 0.5 and 50 μιτι, preferably between 2 and 10 μηη, more preferably between 2 and 5 μηη. * *, »- - - * * · 4 σ * * ♦ • t ** • 4 ♦ t * 4 4 •« · 4 • 4 4 # »· *»
    The varnish layer a) is applied by a coating method, e.g. Spraying, casting, curtain coating, slot die coating, dipping, knife coating or a printing process, such as gravure, flexo, offset, screen or digital printing over the entire surface or partially applied.
    Subsequently, a semitransparent metallic layer or a layer with a high refractive index b) is applied to the lacquer layer a).
    The semitransparent metallic layer b) has an optical density of about 0.1 to 1.3, preferably from 0.1 to 0.8. With such an optical density, it is ensured that the layer is still sufficiently transparent so that the viewer can still recognize the layers behind it.
    As semitransparent metallic layers, 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, Sn, Pt, Ti, Pd and the like are suitable. Suitable alloys are, for example, Cu-Al alloys, Cu-Zn alloys and the like.
    The metallic layer is preferably applied by a PVD or CVD process (sputtering, vapor deposition, vapor deposition).
    Alternatively, the layer b) can be designed as an HRI (high refractive index) layer. This HRI layer may preferably consist of a high-refractive-index lacquer layer or of a layer of metal compounds. Suitable metal compounds are, for example, oxides or sulfides of metals, in particular T1O2, Cr oxides, ZnS, Cu oxides, indium tin oxide, antimony tin oxide, antimony zinc oxide, FTO, ZnO, Al2O3 or silicon oxides.
    High refractive index lacquer layers are preferably applied by known printing or coating methods (see above), HRI layers of metal compounds are preferably applied by a PVD or CVD process (sputtering, vapor deposition).
    Subsequently, a release lacquer layer c) partially applied, for example in the form of letters, characters, symbols, lines, guilloches, numbers or inscriptions.
    As a release coating are preferably known, poorly adhering coating compositions, for example based on
    Cylcloolefincopolymeren, nitrocellulose, acrylates, polyvinyl chloride, ethylene acrylate copolymers or styrene acrylates in a suitable solvent in question. To adjust the adhesion, preferably chlorinated polyolefins are added. The proportion of the chlorinated polyolefins in the composition may be 0 to 130% by weight relative to the base polymer.
    Alternatively, any coating systems whose adhesion is reduced by an additive, for example a polyacrylate copolymer (available, for example, under the trade name BYK-394® from BYK-Chemie GmbH) can be used.
    Furthermore, very thinly applied polyamide, polyethylene, fluoropolymer wax layers or silicone coatings can also be used. Optionally, the release lacquer layer may be provided with security pigments such as fluorescent pigments and the like.
    The adhesion of the release lacquer layer c) is adjusted so that when the tamper evidence is triggered, the release lacquer coating c) dissolves either from the layer b) or the layer d), but the remaining film structure at these points is retained in its structure. In any case, the adhesion of the release lacquer layer c) to the layer b) is less than the adhesion of the semitransparent or HRI layer b) to the embossing lacquer layer a).
    The separating lacquer layer c) is partially applied by a printing process, for example by gravure, flexo, offset, screen or digital printing. 8th: • ·
    On this Trennsackschicht one or more lacquer layer (s) d) are applied with full or partial optical properties.
    The optical properties of the layer d), in particular the color can be adjusted by dyes or pigments. As pigments, it is possible to use all known pigments, for example inorganic-based pigments such as titanium dioxide, zinc sulfide, kaolin, indium-tin oxide, antimony-tin oxide, fluorine-tin oxide, aluminum, chromium and silicon oxides, or organic-based pigments such as phthalocyanine blue. indoleidinelb, dioxazine violet and the like, as well as colored and / or encapsulated pigments in chemically, physically or reactively drying binder systems. Examples of suitable dyes are 1,1- or 1,2-chromium-cobalt complexes.
    Furthermore, effect or security dyes or pigments can be used, for example luminescent dyes or pigments which fluoresce or phosphoresce in the visible, in the UV range or in the IR range, effect pigments such as liquid crystals, pearlescent, bronzes and / or Multilayer color change pigments and thermochromic colors or pigments are used. These can be replaced individually or in all possible combinations. Combinations between visible and invisible dye and effect or security pigments are conceivable.
    However, these layer (s) d) can also have a defined color gradient, or even partially or completely overlapping in partial or full-surface printing in partial or full-surface printing alongside or above one another.
    The application of the colored layer (s) d) by any method, but preferably by a printing process.
    The thickness of the color layers d) results from the desired hiding power of the color in connection with the printing method used. • * * *
    In order to achieve the task-like effect that neither the withdrawn part nor the part remaining on the object to be secured feel sticky, a further release lacquer layer e) is applied over the entire surface. The possible compositions of the release lacquer layer are identical to the possible compositions of the release lacquer layer c).
    It should be noted, however, that the composition of the release lacquer layer e) is chosen so that the adhesion to the directly above and below layer is better than the adhesion of the release lacquer layer c) to the directly above and below layers. For example, when a cycloolefin copolymer-based release varnish is selected, the adhesion can be adjusted very accurately by varying the proportion of chlorinated polyolefins added. In this specific case, this means that the proportion of chlorinated polyolefins in layer e) must be higher than in layer c).
    Between the second separating lacquer layer e) and the self-adhesive coating g) there is a further lacquer layer f). The composition of the layer f) may be arbitrary, but the layer must have sufficient intrinsic stability and in the areas coated with release coating c) sufficient adhesion to the layers e) and g), so that the composite layer on triggering the tamper evidence not at one of Interfaces of the layer f) to the adjacent layers e) or g) separates, but at one of the interfaces of the layer c) to their adjacent layers b) or d). The lacquer layer f) serves primarily to completely cover the self-adhesive coating, so that it prevents the residue and the peeled-off part from feeling sticky after the tampering has been triggered. This results in a thickness for the layer f) of about 3-50 pm.
    Subsequently, a self-adhesive coating g) is applied. With the help of the self-adhesive coating g) the security label or adhesive tape is glued to the object to be secured or to the packaging to be secured.
    Hk
    Due to the different partial adhesion conditions in the label, the lacquer layer d) tears when attempting to remove the label or adhesive tape from the object to be secured. A part of the lacquer layer d) remains on the object to be secured, the second part of the lacquer layer d) is removed from the object with the carrier substrate. The two parts are complementary to each other, i. either positive and negative structures on the withdrawn carrier substrate are recognizable, or vice versa.
    The following conditions must always be met to ensure a reliable function:
    In the areas not coated with the release lacquer layer c), the adhesion of all layers to one another and the adhesion of the layer g) to the object to be protected must be greater than the adhesion of the layer d) to the layer e) or the layer e) to the layer f). In the areas coated with the release lacquer layer c), the adhesion of all layers to one another and the adhesion of the layer g) to the object to be protected must be greater than the adhesion of the layer b) to the layer c) or the layer c) to the layer d). Finally, the adhesion of layer b) to layer c) or layer c) to layer d) must be less than the adhesion of both layer d) to layer e) and layer e) to layer f), since otherwise on release the tamper-evident layer in the areas coated with the release lacquer layer c) does not tear the lacquer layer d), but the separation takes place over one surface along one of the boundary surfaces of the lacquer layer e) to the adjacent layers.
    Due to the particular circumstances in triggering the tamper evidence that can not be anticipated by the label manufacturer, various combinations of the above constraints may occur in the same label. However, the design of the label is initially chosen so that in the two relevant
    Areas (with and without release varnish c)) each one of the above two cases preferably occurs.
    Optionally, a pressure primer may be applied to the surface of the carrier substrate opposite the structure, which facilitates or permits subsequent printing of a label or adhesive tape.
    This printing can consist, for example, of personal or product-specific individual data, but also of any desired patterns, characters, symbols and the like.
    If used as an adhesive tape, a separating lacquer layer may optionally be applied to the second surface of the carrier substrate to allow it to be rolled up, wherein the adhesion of the self-adhesive coating g) to this second separating lacquer layer is even worse than the adhesion within the layer defined by the layers a) to g). formed composite.
    In the figures 1 to 5 embodiments of the invention are shown.
    1 means the carrier substrate 2 a lacquer layer with an optically active structure (for example a hologram) 3 a semitransparent metal layer or an HRI layer 4 the partial release lacquer layer 5 the layer with optical properties 6 the second, full-surface release lacquer layer 7 a full-surface lacquer layer 8 a self-adhesive coating 9 the article to which the label or adhesive tape is applied 10 an (optional) adhesion promoter layer 11 an (optional) pressure primer layer 12 a custom printing
    The part of the label which is pulled off with the carrier substrate 1 14 the part of the label which remains on the object 9 to be secured 15, 16, 17, 18 areas with different adhesion ratios 19 the security label 20 according to the invention the part of the layer with optical properties 5, which remains on the object to be secured 9 and negative recesses in the form of characters 21 the part of the layer with optical properties 5 in the form of positive characters, which is subtracted with the carrier substrate 1 becomes
    Figure 1 shows in cross section the structure of a label in glued state. Figures 2 and 3 also show in cross-section the state after triggering the tamper evidence with different triggering mechanisms according to the invention. Figure 4 shows a security label according to the invention in plan view, Figure 5 shows the same security label with partially triggered tamper evidence.
    In Figure 1, a label according to the invention is adhered to an article 9. The label consists of a carrier substrate 1, which is coated on a surface with a printing primer 11 and then printed with a visible motif 12. On the opposite surface are first an adhesion promoter layer 10, an embossed lacquer layer 2 and a semitransparent metallic layer or a layer with a high refractive index 3.
    On the layer 3, a partial release varnish layer 4 is then applied, which is covered by a full-surface layer with optical properties 5. This is followed by the second separating lacquer layer 7 and the self-adhesive coating 8 with which the label is fastened on the object 9 to be secured.
    FIG. 1 shows an example in which the user views the optically active structure through the carrier substrate 1, the carrier substrate 1....... For this purpose, it is expediently transparent. Due to the semitransparent metal layer or the HRI layer 3, the light is partially reflected at the interface with the layer 2 and the diffractive effect of the optically active structure becomes visible to the viewer. Due to the partial permeability of the layer for visible light but also the underlying layer with optical properties 5 can be seen. Thus, the optically active structure and the color layer superimpose in a favorable manner. For the viewer, the final impression is a hologram with a colored background that does not have a metallic sheen that is otherwise characteristic of conventional embossed and metallised holograms.
    In Figures 2 and 3, the tamper evidence was triggered by peeling off the label. It can be clearly seen that parts of the layer with optical properties 5 remain on the object 9 to be secured, precisely in the areas in which the release lacquer layer 4 is applied. In the areas without release varnish layer 4, the layer with optical properties 5 remains on the stripped carrier substrate 1 and the hologram applied thereon. This "tearing" of the layer 5 gives the observer an optical manipulation proof in the form of letters, signs, symbols, lines, guilloches, numbers or lettering.
    Figures 2 and 3 differ in the exact formation of the adhesion ratios of the individual layers with each other. The areas 15 to 17 illustrate these adhesion ratios according to the invention between the individual layers, which lead to the visualization of the optical effect when triggering the manipulation detection.
    In the region 15, the bond separates between the release lacquer layer 4 and the optical properties layer 5, which means that the adhesion between the layers 4 and 5 is lower than the adhesion of all other layers to one another and the adhesion of the self-adhesive coating 8 to the article 9 The layer with optical properties 5 thus remains in the
    Area 15 together with the layers 6 to 8 on the object to be secured. 9
    In the region 16, the composite separates at the interface between the second release lacquer layer 6 and the lacquer layer 7, that is, the adhesion of the release lacquer layer 6 to the lacquer layer 7 is less than the adhesion of all other layers to one another and the adhesion of the self-adhesive coating 8 to the article 9 The layer with optical properties 5 thus remains in the region 16 together with the primer layer 10, the embossing lacquer layer 2, the semi-transparent metallic or HRI layer 3 and the release lacquer layer 6 on the stripped carrier substrate 1.
    In region 17, the bond separates between the semitransparent metallic or HRI layer 3 and the release lacquer layer 4, which means that the adhesion between the layers 3 and 4 is lower than the adhesion of all other layers to one another and the adhesion of the self-adhesive coating 8 to Article 9. The layer with optical properties 5 thus remains in the region 17 together with the release lacquer layer 4 and the layers 6 to 8 on the object 9 to be secured.
    In the region 18, the bond between the layer with optical properties 5 and the release lacquer layer 6 separates, that is, the adhesion between the layers 5 and 6 is less than the adhesion of all other layers with each other and as the adhesion of the self-adhesive coating 8 to the article. 9 The layer with optical properties 5 thus remains in the region 18 together with the primer layer 10, the embossing lacquer layer 2 and the semitransparent metallic or HRI layer 3 on the stripped carrier substrate 1.
    The above adhesion conditions need not necessarily be combined as shown in FIGS. 2 and 3, but may also occur in the combination of the situation of region 15 with region 18 or in combination of the situation of region 17 with region 16. Depending on the shape of the label according to the invention, preference is given to a specific combination of the • e 4 * t £! * - * * · · * »» ρ > * * ι «1» ♦ 9 * »'· ι * · · ι
    However, due to the unpredictable manner in which the proof of manipulation is activated in detail, that is to say as the carrier substrate is pulled off, it can also happen that all shown separating situations of the areas 15 to 18 occur simultaneously on one and the same label.
    It can be clearly seen that the self-adhesive coating 8 is always covered by further layers, but at least by the lacquer layer 7, after triggering of the manipulation proof. So if you attack the part 14 of the label, it feels dry and not sticky. In detail, it is irrelevant which of the layers 4 to 6 additionally remain on the part 14, since all these layers have the property of not being tacky in the sense of a self-adhesive coating.
    If one then tries to fix the part 13 of the label on the part 14 again, one will find that this is hardly possible, since the parts no longer adhere to each other. If one tries to circumvent this by means of an adhesive, it is very difficult to fasten the part 13 to the part 14 in such a way that the complementary parts of the layer 5, which are once on the part 13 and once on the part 14, complement each other in that the impression of a continuous layer 5 arises. Moreover, one would immediately discover in a control that the tamper evidence no longer works according to the invention in trying to peel off the carrier substrate again.
    The fact that the part 14 of the label is no longer sticky can be a further advantage for the user if the object to be secured is further used after triggering the proof of tampering. As an example, here is a use for proof of entry and exit in a state in a passport called. Upon entry, such a label is first printed with visa information and pasted into the passport. At the end of the stay, an official organ triggers proof of tampering, officially confirming the departure. For this purpose, for example, the separating lacquer layer 4 can be printed in the form of a text "left". This clearly shows that a stay has taken place in the respective state. If you now fold the passport again after removing the part 13, the sides of the pass do not stick together because the part 14 5 is no longer sticky.
    FIG. 4 shows the security label 17 according to the invention in plan view, on the visible side of which a customized pressure 16 is applied, in glued-on state against manipulation. 10
    FIG. 5 shows the security label according to the invention in a partially withdrawn state, that is to say with partially activated tamper evidence. On the object to be secured remains the part 14 of the label which has recesses in the optical properties layer 5 15 in the form of negative signs 20 ("VOID"). The portion of the optical property layer 5 remaining on the peeled-off portion of the label 13 is in the form of positive marks 21.
    Example construction 1 (printable safety label:
    Reference signs Layer Thickness / Coating weight Composition 11 Printing primer 1 g / m2 Polyester-based coating system, cross-linking, solvent Methyl ethyl ketone 1 Carrier substrate 50 μιτι PET 10 primer 0.5 g / m2 Acrylate-based coating system crosslinked with isocyanates, solvent ethyl acetate 2 UV varnish with Hologram embossing 3 g / m2 acrylate-based coating system with photoinitiator, undiluted 3 semitransparent Meta II layer 0.5 OD (about 6.5 nm) aluminum, vapor-deposited 4 release varnish partially 1 μm cycloolefin copolymer with 20% chlorinated polyolefins, solvent xylene 5 color, pigmented varnish 4 g / m2 PVC-based varnish with 15% red pigments, solvent ethyl acetate 6 release varnish 1 μm cycloolefin copolymer with 60% chlorinated polyolefins, solvent xylene 7 varnish layer 7 g / m2 transparent PVC-based varnish, solvent ethyl acetate 8 self-adhesive coating 10 gsm
    Example structure 2 (security label):
    Reference sign Layer Thickness / Coating weight Composition 1 Carrier substrate 23 μm PET, chemically pretreated on one side 2 UV lacquer with hologram embossing 3 g / m2 Acrylate-based lacquer system with photoinitiator, undiluted 3 HRI coating 50 nm ZnS, vapor-deposited 4 Release lacquer partially 0.2 μm Silicone-based paint, solvent methyl ethyl ketone 5 Multi-color printing, partially next to one another 4 g / m2 PVC-based paints with 15% red, blue or white color pigments, solvent ethyl acetate 6 full-surface release 1 μm cycloolefin copolymer with 50% chlorinated polyolefins, solvent xylene 7 Lacquer layer 7 g / mz Transparent lacquer based on acrylate binder, solvent ethyl acetate 8 Self-adhesive coating 10 g / m2
    Example structure 3 (security adhesive tape):
    Reference sign Layer Thickness / Coating weight Composition Release lacquer layer 0.1 g / m2 Silicone coating 1 Carrier substrate 23 μm PET 10 primer 0.5 g / m2 Acrylate-based lacquer system crosslinked with isocyanates, solvent Ethyl acetate 2 hot stamping lacquer 3 g / m2 PMMA-based lacquer system, solvent Ethyl acetate 3 Semitransparent metal layer 0.5 OD (approximately 6.5 nm) Aluminum, vapor-deposited 4 Release varnish, partially 1 μm PVC-based varnish with 2% adhesion additive (polyacrylate copolymer) in solvent, ethyl acetate 5 Colored varnish with dyestuff and UV 'pigments 3 g / m2 nitrocellulose binder-based lacquer with 10% yellow color pigments and 10% red fluorescence under UV light
    Pigments, solvents ethyl acetate 6 full-surface release paint 1 μηη PVC-based paint with 4% adhesion additive (polyacrylate copolymer) in solvent ethyl acetate 7 lacquer layer 5 g / m2 nitrocellulose-based transparent lacquer, solvent ethyl acetate 8 self-adhesive coating 15 g / m2
    权利要求:
    Claims (18)
    [1]
    1) Security label or adhesive tape with tamper evidence comprising a flexible carrier substrate based on a flexible plastic film, characterized in that the following layers are applied to a surface of the carrier substrate 1: a) an embossed lacquer layer 2 b) a semitransparent metal layer or a C) a first, partial release lacquer layer in the form of letters, characters, symbols, lines, guilloches, numbers or inscriptions 4, d) one or more lacquer layer (s) with optical properties 5, e) a second g) a self-adhesive coating 8, the adhesion of all layers to one another and the adhesion of the layer 8 to the object 9 to be secured being greater than the adhesion in the areas not coated with the release lacquer layer 4 the layer 5 to the layer 6 or the layer 6 to the Schich 7 and wherein in the areas coated with the release lacquer layer 4 the adhesion of all layers to one another and the adhesion of the layer 8 to the object 9 to be secured are greater than the adhesion of the layer 3 to the layer 4 or the layer 4 to the layer 5 and in particular the Adhesion of the layer 3 to the layer 4 or the layer 4 to the layer 5 is less than the adhesion of both the layer 5 to the layer 6 and the layer 6 to the layer 7. • • • * * * * * * * I * * * « * II · - · ..9 ..... * ·· * «» «« «· II
    [2]
    2) Security label or adhesive tape according to claim 1, characterized in that the carrier substrate 1 consists of a transparent plastic film.
    [3]
    3) Security label or adhesive tape according to one of claims 1 to 2, characterized in that on the other surface of the carrier substrate 1, a printing primer layer 8 is applied.
    [4]
    4) security label or adhesive tape according to one of claims 1 to 2, characterized in that on the other surface of the carrier substrate 1, a release lacquer layer is applied.
    [5]
    5) security label or adhesive tape according to one of claims 1 to 4, characterized in that between the carrier substrate 1 and embossed lacquer layer 2, a bonding agent layer 7 is located.
    [6]
    6) security label or adhesive tape according to one of claims 1 to 4, characterized in that between the carrier substrate 1 and embossed lacquer layer 2 is a release layer is situated.
    [7]
    7) security label or adhesive tape according to one of claims 1 to 6, characterized in that the layer is designed with optical properties 5 in multi-color printing, as color gradient layer and / or as a layer with effect or security dyes or pigments.
    [8]
    8) Security label or adhesive tape according to one of claims 1 to 7, characterized in that after triggering of the tamper evidence on the object to be secured 9 positive and negative on the withdrawn carrier substrate 1 letters, characters, symbols, lines, guilloches, numbers or logos or be recognized conversely.

    ZI
    [9]
    9) security label or adhesive tape according to one of claims 1 to 8, characterized in that the layer 3 is a semi-transparent metal layer of Al, Cu, Fe, Ag, Au, Cr, Ni, Zn, Sn, Pt, Ti, Pd or from an alloy of these metals.
    [10]
    10) security label or adhesive tape according to one of claims 1 to 8, characterized in that the layer 3 is an HRI layer of a metal compound.
    [11]
    11) Security label or adhesive tape according to one of claims 1 to 8, characterized in that the layer 3 is an HRI lacquer layer.
    [12]
    12) Security label or adhesive tape according to one of claims 1 to 11, characterized in that the layer 2 is an embossed UV lacquer layer.
    [13]
    13) Security label or adhesive tape according to one of claims 1 to 12, characterized in that the layer 2 is a hot stamping lacquer layer.
    [14]
    14) security label or adhesive tape according to one of claims 1 to 13, characterized in that the partial release lacquer layer 4 and the full-surface release lacquer layer 8 consist of the same components in different mixing ratios.
    [15]
    15) security label or adhesive tape according to one of claims 1 to 13, characterized in that the partial release lacquer layer 4 and the full-surface release lacquer layer 8 consist of lacquers of different composition.
    [16]
    16) A security label or adhesive tape according to one of claims 1 to 15, characterized in that the label or adhesive tape on the printing primer layer 8 or the non-coated surface of the carrier substrate 1 is printed.
    [17]
    17) A security label or adhesive tape according to one of claims 1 to 16, characterized in that the lacquer layer 2 has an embossing in the form of a hologram, a diffraction structure or a diffraction grating.
    [18]
    18) A security label or adhesive tape according to claim 17, characterized in that it conveys the visual impression of a hologram with a colored background and has no metallic reflective character.
    类似技术:
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    AT510520B1|2013-02-15|SAFETY LABEL WITH MANIPULATION DETECTION
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    AT501356A1|2006-08-15|SAFETY ELEMENTS AND SAFETY FEATURES WITH COLOR EFFECTS
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    同族专利:
    公开号 | 公开日
    WO2012019721A1|2012-02-16|
    AT510520B1|2013-02-15|
    PL2603910T3|2020-11-16|
    RU2013110843A|2014-09-20|
    JP5924824B2|2016-05-25|
    MY165979A|2018-05-18|
    EP2603910A1|2013-06-19|
    KR20140023248A|2014-02-26|
    US8944470B2|2015-02-03|
    RU2576371C2|2016-02-27|
    US20130161938A1|2013-06-27|
    CN103080992A|2013-05-01|
    UA110489C2|2016-01-12|
    CN103080992B|2016-08-03|
    ES2821396T3|2021-04-26|
    MX2013001777A|2013-04-03|
    JP2013536464A|2013-09-19|
    MX338944B|2016-05-06|
    EP2603910B1|2020-05-27|
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    法律状态:
    2019-07-15| HC| Change of the firm name or firm address|Owner name: HUECK FOLIEN GESELLSCHAFT M.B.H., AT Effective date: 20190524 |
    优先权:
    申请号 | 申请日 | 专利标题
    ATA1355/2010A|AT510520B1|2010-08-13|2010-08-13|SAFETY LABEL WITH MANIPULATION DETECTION|ATA1355/2010A| AT510520B1|2010-08-13|2010-08-13|SAFETY LABEL WITH MANIPULATION DETECTION|
    JP2013523516A| JP5924824B2|2010-08-13|2011-07-30|Security label or security adhesive tape with operation certificate|
    UAA201303035A| UA110489C2|2010-08-13|2011-07-30|Normal;heading 1;heading 2;heading 3;SECURITY LABEL OR ADHESIVE TAPE WITH EVIDENCE OF TAMPERING|
    ES11757749T| ES2821396T3|2010-08-13|2011-07-30|Tamper evident security tape or label|
    US13/812,648| US8944470B2|2010-08-13|2011-07-30|Safety label or adhesive tape with evidence of tampering|
    PL11757749T| PL2603910T3|2010-08-13|2011-07-30|Safety label or adhesive tape with evidence of tampering|
    MX2013001777A| MX338944B|2010-08-13|2011-07-30|Safety label or adhesive tape with evidence of tampering.|
    PCT/EP2011/003833| WO2012019721A1|2010-08-13|2011-07-30|Safety label or adhesive tape with evidence of tampering|
    MYPI2013000453A| MY165979A|2010-08-13|2011-07-30|Safety label of adhesive tape with evidence of tempering|
    EP11757749.4A| EP2603910B1|2010-08-13|2011-07-30|Safety label or adhesive tape with evidence of tampering|
    RU2013110843/12A| RU2576371C2|2010-08-13|2011-07-30|Protective label or adhesive tape with indication of extraneous interference|
    CN201180038963.5A| CN103080992B|2010-08-13|2011-07-30|Safety label or adhesive tape with tamper-proofing|
    KR1020137006241A| KR20140023248A|2010-08-13|2011-07-30|Security label or adhesive tape with evidence of tampering|
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