EP4200135A1 - Corps multicouche et procédé de production d'un corps multicouche - Google Patents

Corps multicouche et procédé de production d'un corps multicouche

Info

Publication number
EP4200135A1
EP4200135A1 EP21762368.5A EP21762368A EP4200135A1 EP 4200135 A1 EP4200135 A1 EP 4200135A1 EP 21762368 A EP21762368 A EP 21762368A EP 4200135 A1 EP4200135 A1 EP 4200135A1
Authority
EP
European Patent Office
Prior art keywords
layer
body according
decorative
protective
substrate
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.)
Pending
Application number
EP21762368.5A
Other languages
German (de)
English (en)
Inventor
Uwe Reuther
Roman LASCH
Annie KUSCHEL
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.)
Leonhard Kurz Stiftung and Co KG
Original Assignee
Leonhard Kurz Stiftung and Co KG
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
Application filed by Leonhard Kurz Stiftung and Co KG filed Critical Leonhard Kurz Stiftung and Co KG
Publication of EP4200135A1 publication Critical patent/EP4200135A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/05—5 or more layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/26—All layers being made of paper or paperboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/12—Coating on the layer surface on paper layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • B32B2307/4026—Coloured within the layer by addition of a colorant, e.g. pigments, dyes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/406—Bright, glossy, shiny surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/412—Transparent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/414—Translucent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/538—Roughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/718—Weight, e.g. weight per square meter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/732—Dimensional properties
    • B32B2307/737—Dimensions, e.g. volume or area
    • B32B2307/7375—Linear, e.g. length, distance or width
    • B32B2307/7376—Thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/40—Closed containers
    • B32B2439/62—Boxes, cartons, cases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2451/00—Decorative or ornamental articles

Definitions

  • the invention relates to a multi-layer body, in particular a laminate, and a method for producing a multi-layer body.
  • the plastic layer has a high adhesive strength on the substrate. It is also necessary for good visibility of the decoration that the applied plastic layer is in full contact with the decoration, for example to prevent bubbles or other inclusions.
  • the invention is now based on the object of an improved multi-layer body and an improved method for producing a Indicate multi-layer body, the improved multi-layer body and the improved method should in particular avoid the disadvantages of the prior art.
  • a multi-layer body in particular a laminate, comprising a substrate, at least one decorative layer and at least one protective layer, the at least one protective layer having at least one protective layer and at least one adhesive layer, and the at least one protective layer comprising paper, in particular transparent paper or consists of it.
  • a method for producing a multi-layer body comprising the following steps, which are carried out in particular in the following order: a) providing a substrate provided with at least one decorative layer , b) providing at least one protective layer, the protective layer comprising at least one protective layer and at least one adhesive layer, the at least one protective layer comprising or consisting of paper, in particular transparent paper, c) applying the at least one protective layer to the one provided with the at least one decorative layer Substrate, in particular while maintaining the multi-layer body.
  • the advantage achieved by the invention is that a multi-layer body is obtained which has increased recyclability, since instead of a highly transparent plastic layer, paper, in particular tracing paper, is applied to the decoration.
  • the paper, in particular tracing paper assumes the task of protecting the decoration from chemical, physical and/or mechanical influence.
  • the paper, in particular transparent paper can be detached from the decoration in comparatively simple chemical and/or physical and/or mechanical processes and fed to the waste paper stream.
  • the protective layer made of paper, in particular transparent paper, or the protective layer can preferably remain on the substrate, in particular if the substrate itself also consists of paper and/or cardboard and/or cardboard or essentially comprises it.
  • the protective layer made of paper, in particular transparent paper, or the protective layer can preferably also be detached from the substrate before and/or during recycling, in particular if the substrate does not consist or essentially comprises paper and/or cardboard and/or cardboard.
  • paper in particular transparent paper
  • tracing paper generally has a lower transparency or a lower degree of transmission and a higher turbidity than a plastic layer, with radiant or incident light being diffusely scattered.
  • a paper, in particular transparent paper, with a particularly high minimum transparency and the lowest possible haze and surface roughness produces an almost clear appearance of the decoration, which is similar to that of a decoration provided with a classic plastic layer.
  • higher opacity creates a "soft", slightly blurry impression that provides additional visual depth and/or a "foggy" impression.
  • Paper is preferably understood to be a flat material with a mass per unit area of 7 g/m 2 to 225 g/m 2 which is produced from fibrous materials and is obtained in particular by dewatering a fiber suspension.
  • paper includes plant fibers, cellulose, wood pulp and/or waste paper pulp.
  • Cardboard is preferably understood to mean paper with a basis weight of 150 g/m 2 to 600 g/m 2 .
  • cardboard is preferably understood to mean paper with a mass per unit area of 225 g/m 2 or more. It is therefore possible that a material which, due to its area-related mass, lies in an overlapping area can be assigned to several terms.
  • Transparent paper is preferably to be understood as meaning paper which appears transparent due to a high degree of transmission, preferably a degree of transmission of more than 50%, more preferably of more than 70%, in particular in the wavelength range between 300 nm and 780 nm.
  • Transparent papers include, for example, tissue paper, impregnated paper, vegetable paper and/or glassine.
  • the degree of transmittance is preferably understood to be the ratio of the amount of light radiating and/or incident on a medium to the amount of light exiting on the opposite side of the medium, with no change in the frequency or wavelength of the light having taken place.
  • the non-transmitted light is preferably reflected, scattered and/or absorbed by the medium. For example, with a transmittance of a medium of 0.7 or 70%, 70% of the incident light can be perceived on the opposite side of the medium.
  • the medium is preferably understood to be transparent. More preferably, with a transmittance in the range from 30% to 50%, the medium is preferably understood as translucent and with a transmittance in the range from 0% to 30%, the medium is understood as opaque.
  • the transmittance is thus to be understood in particular as a material property.
  • the substrate preferably forms the bottom layer of the multi-layer body when viewed from above.
  • the at least one decorative layer and/or the at least one protective layer is/are preferably arranged on the substrate in a plan view, so that the substrate preferably forms the rear side of the multi-layer body.
  • a top view is preferably understood to mean the viewing direction of an observer, which is perpendicular to the surface of the plane spanned by the multi-layer body and/or a layer is directed. This means that the observer looks in particular at the visible side of the multi-layer body.
  • the substrate is translucent or opaque and/or colored or at least partially colored.
  • the substrate preferably comprises a material selected from the group consisting of paper, paperboard, paperboard, preferably paper, paperboard, and more preferably graphic arts coated paper, graphic arts uncoated paper, coated paper for packaging, uncoated paper for packaging, coated paperboard, uncoated Cardboard, and mixtures thereof, is selected.
  • a substrate made of such a material as paper, cardboard, cardboard can be fed to the waste paper flow in an advantageous manner together with the protective layer made of paper, in particular transparent paper, or the protective layer in comparatively simple chemical and/or physical and/or mechanical processes, without a Separation of the protective layer of paper or the protective layer must be done from the substrate.
  • the substrate is said to be coated when a binder has been applied to its surface.
  • unevenness is preferably leveled out, the surface is mechanically stabilized and smoothed, and the printability is improved.
  • the binder can contain colored pigments.
  • the substrate can appear matt, semi-matt or glossy due to the binder. In particular, uncoated substrates do not have such a binder application.
  • Such a configuration of a multi-layer body further improves its recyclability, in particular in comparison to multi-layer bodies made from a pure plastic laminate.
  • the protective layer of paper, in particular transparent paper, or the protective layer can remain on the substrate, in particular if the substrate itself also consists or essentially comprises paper and/or cardboard and/or cardboard.
  • the protective layer made of paper, in particular transparent paper, or the protective layer can preferably also be detached from the substrate before and/or during recycling, in particular if the substrate does not consist or essentially comprises paper and/or cardboard and/or cardboard.
  • the decorative layer is made so thin that it does not interfere with the recyclability of the multi-layer body and accordingly the multi-layer body can be fed into the waste paper stream as a whole, in particular if the substrate itself also consists of paper and/or cardboard and/or cardboard or essentially comprises it.
  • the at least one decorative layer can preferably be removed from the substrate and/or from the at least one protective layer and the substrate can then be fed into the waste paper stream.
  • the substrate preferably has a basis weight in the range from 50 g/m 2 to 500 g/m 2 .
  • the multi-layer body achieves sufficient mechanical stability and an associated value.
  • the substrate includes at least one optical coating. More preferably, the at least one optical coating is applied at least to the substrate side facing the at least one decorative layer. Even more preferably, a further optical coat of paint is also applied to the substrate side that faces away from the at least one decorative layer. This allows for an individual design of the substrate and gives it a valuable visual as well as haptic impression.
  • the at least one optical coating is preferably colored, in particular by means of dyes and/or color pigments, the degree of pigmentation of the at least one optical coating being preferably less than 50%, preferably less than 40%, more preferably less than 30%.
  • the degree of pigmentation is preferably to be understood as meaning the percentage of dyes and/or color pigments based on the total mass of an applied and preferably dried layer, ply and/or film.
  • the at least one optical paint is colorless and/or is clearly transparent and/or that the degree of pigmentation of the at least one optical paint is less than 5%.
  • the at least one optical coat of paint preferably at a measuring angle of 60°, has a gloss value of more than 50 GU, preferably more than 60 GU, in the case of light, in particular light in the wavelength range between 300 nm and 780 nm. having.
  • gloss value in gloss units [GU] reference is made to the following explanations.
  • the substrate preferably has a surface smoothness in the range from 0.5 ⁇ m to 8.0 ⁇ m, preferably in the range from 1.0 ⁇ m to 3.0 ⁇ m, measured in particular using the Parker Print Surf method (PPS method) according to DIN ISO 8791-4:2008-05 ("Paper and paperboard - Determination of roughness/smoothness (airlaid method) - Part 4: Print-Surf method", Issue date: 2008-05), and/or a surface smoothness in the range of 50 ml/min to 900 ml/min, preferably in the range from 100 ml/min to 400 ml/min, measured in particular using the Bendtsen method according to DIN ISO 8791-2:2013-09 (“Paper and cardboard - Determination of roughness/ Smoothness (air permeability method) Part 2: Bendtsen method”, issue date: 2013-09).
  • PPS method Parker Print Surf method
  • DIN ISO 8791-4:2008-05 Paper and paperboard - Determination of roughness/s
  • a corresponding surface smoothness enables improved adhesion of the further layers on the substrate on the one hand and gives the substrate a valuable appearance on the other.
  • Surface smoothness or surface roughness is preferably understood to mean a value for the structure of a surface, which can be determined indirectly, for example, by measuring an air flow between a screen and the substrate surface. Examples of such indirect measurement methods are the Parker Print Surf (PPS) method or the Bendtsen method.
  • the PPS method is preferably understood to mean a method in which an amount of air which is pressed through a gap between a measurement and a substrate lying on a hard rubber plate is measured.
  • the measuring surface used is preferably 98 mm long, ring-shaped and 51 ⁇ m wide.
  • the measurement result of the surface smoothness according to the PPS method is preferably given in the unit [pm].
  • the Bendtsen method is preferably to be understood as a method in which air is pressed through a gap between a substrate lying on a glass plate and a ring lying thereon.
  • the ring preferably has an inside diameter of 31.5 mm and a wall thickness of 150 ⁇ m.
  • the volume of air flowing out per minute is measured.
  • the measurement result of the surface smoothness according to the Bendtsen method is preferably given in the unit [ml/min].
  • Coated substrates are preferably measured with the PPS method and uncoated ones with the Bendtsen method.
  • the at least one decorative layer is attached between the substrate and the at least one protective layer. It is further provided in particular that the at least one decorative layer has at least one protective lacquer layer and/or at least one decorative layer and/or at least one functional layer and/or at least one primer layer and/or at least one adhesive layer and/or at least one color layer.
  • the at least one decorative layer is a part of a transfer film as a transfer layer, with the transfer film having a carrier layer and preferably at least one release layer.
  • the carrier layer of the transfer film is pulled off the transfer layer during the application of the transfer film to the substrate.
  • the at least one decorative layer remains at least partially on the substrate.
  • the multi-layer body may have at least two decorative layers, which preferably differ in their properties, more preferably in their optical properties and/or their layer structure.
  • the at least two decorative layers preferably each comprise at least one protective lacquer layer and/or at least one decorative layer and/or at least one functional layer and/or at least one primer layer and/or at least one adhesive layer and/or at least one color layer and more preferably according to the embodiments which are configured at least one decorative layer.
  • At least two decorative layers in particular different ones, to be present next to one another, preferably viewed from above. It is also possible that at least two, in particular different, decorative layers, preferably in plan view considered, at least in some areas one above the other and/or overlapping.
  • area is understood in particular to mean a defined area of a layer or ply, which is occupied when viewed perpendicularly to a plane spanned, in particular by the substrate, decorative ply and/or protective ply.
  • the at least one decorative layer has a thickness in the range from 1.0 ⁇ m to 5 ⁇ m, in particular from 1.0 ⁇ m to 2 ⁇ m. It has been shown that with a layer thickness of this type, the decorative layers break particularly well at the predefined edges. A clean decoration of the decorative layer on the substrate can thus be achieved.
  • the carrier layer comprises a material or a material combination selected from: PET, PMMA, PC, PE, PVC, PS, ABS, PU, PBS, PLA, PAN and/or glass and/or paper and/or hybrid materials.
  • Carrier layers made of the above-mentioned material can be easily recycled after they have been detached and thus reduce the amount of waste materials that arise as a result of the production of the multi-layer body.
  • the at least one release layer preferably comprises a material or a combination of materials selected from: waxes, silicones, polyurethanes and/or polymers, preferably acrylate copolymers, polyester copolymers, polystyrene copolymers, polycarbonate copolymers.
  • the at least one release layer preferably has a thickness in the range from 0.01 ⁇ m to 0.50 ⁇ m. This comparatively small thickness of the detachment layer allows the decorative layer to be detached cleanly and with sharp edges from the support layer.
  • the accuracy that can be achieved and the resolution that can be achieved can correspond comparatively exactly to the layout of the at least one adhesive layer that is partially applied, preferably on the substrate, without deviating significantly from it, which means that the foil layout or the foil level is highly accurate to a possibly existing print layout or a possibly existing printing level can be achieved from conventional printing inks.
  • Register or register or register accuracy or register accuracy is preferably to be understood as meaning a positional accuracy of two or more elements and/or layers.
  • the register accuracy should move within a specified tolerance and be as low as possible. At the same time, the register accuracy of several elements, layers, areas or sub-areas relative to one another is an important feature in order to increase process reliability.
  • markings in particular by means of registration marks or register marks which can be detected by sensors, preferably optically.
  • markings in particular fiducial marks or register marks, preferably represent either special separate elements, areas or layers or are preferably themselves part of the elements, areas or layers to be positioned.
  • the low thickness of the detachment layer results in only very small and very few so-called flakes, i.e. small layer residues of the decorative layer, which can be disruptive in subsequent process steps and/or the visual appearance of the coated Target substrate can interfere.
  • the at least one detachment layer is transparent or translucent or opaque and/or colored or at least partially colored and/or transparent.
  • the at least one decorative layer preferably has at least one protective lacquer layer.
  • the at least one protective lacquer layer preferably has a thickness in the range from 0.5 ⁇ m to 3 ⁇ m, in particular from 0.8 ⁇ m to 1.3 ⁇ m.
  • the protective lacquer layer can function as a release layer.
  • the detachment force of the protective lacquer layer from the carrier layer is preferably between 5 cN and 45 cN, more preferably between 10 cN and 30 cN.
  • the at least one protective lacquer layer is preferably transparent or translucent or opaque and/or colored or at least partially colored and/or transparent.
  • the at least one protective lacquer layer represents in particular protection against mechanical and/or chemical stress on the at least one decorative layer on the substrate.
  • the at least one decorative layer preferably has at least one functional layer.
  • the at least one functional layer preferably has a thickness in the range from 10 nm to 1500 nm, preferably from 20 nm to 1000 nm, particularly preferably from 50 nm to 500 nm.
  • the at least one functional layer can have a multilayer structure and in particular layers that can be present over the entire surface or only partially, individually or in combination selected from: electrically conductive layer, magnetic layer, stabilization layer, adhesion promoter layer, release layer, layer that shields electromagnetic radiation, masking layer, color layer, barrier layer.
  • the at least one decorative layer of the at least one decorative layer comprises at least one metallic layer and/or at least one dielectric layer.
  • the at least one decorative layer preferably has a thickness in the range from 8 nm to 1000 nm, preferably from 8 nm to 200 nm, particularly preferably from 10 nm to 100 nm.
  • the at least one decorative layer for UV radiation in particular for the wavelength range from 250 nm to 400 nm, has a permeability in the range from 5% to 70%, in particular from 10 % to 40%.
  • a permeability in the range from 5% to 70%, in particular from 10 % to 40%.
  • the adhesive that crosslinks under UV radiation is preferably fully crosslinked and cured only when the amount of radiation is sufficiently high and achieves a high adhesive strength, so that detachment of the decorative layer areas transferred to the substrate is reliably prevented from the substrate.
  • the decisive factor for the UV permeability of a decorative layer is preferably that layer of a decorative layer which has the lowest UV permeability of all the layers present.
  • the at least one metallic layer comprises a material or a material combination selected from: aluminum, silver, gold, copper, nickel, chromium, indium, tin and/or an alloy comprising at least two of these metals.
  • HRI High Refractive Index
  • the at least one decorative layer is formed from an HRI material, preferably CdSe, CeTe, Ge, HfC, PbTe, Si, Te, TiCl or ZnTe, which is particularly suitable for at least partial areas of the spectrum in the UV range, in particular for the wavelength range from 250 nm to 400 nm, is radiolucent.
  • the at least one decorative layer prefferably has at least one layer that generates an optically variable effect.
  • the at least one decorative layer has at least one replication lacquer layer with a surface structure molded into the at least one replication lacquer layer, in particular wherein the surface structure molded into the at least one replication lacquer layer is selected from: diffractive surface structure, refractive surface structure, lens structure, matt structure, blaze grid.
  • a replication lacquer layer is preferably understood here to mean a special, functional layer into which optically variable structures are introduced and/or fixed, in particular by means of thermal replication and/or UV replication.
  • a replication lacquer layer is in particular a hybrid layer which is thermally replicated, for example, and then cured by means of radiation, for example by means of UV radiation, in particular in the wavelength range from 250 nm to 400 nm, and/or at least one electron beam. For example, it is possible for one replication lacquer layer to become warm during UV replication.
  • the at least one decorative layer has a diffractive and/or refractive relief structure for generating optically variable effects and/or a macrostructure for generating three-dimensional effects or depth effects.
  • diffractive and/or refractive Relief structures which are formed in particular in a transparent lacquer layer or replication lacquer layer, different optical effects, so-called optically variable effects, can be achieved depending on the viewing angle, such as holograms, three-dimensional representations with a viewing angle-dependent, kinematic effect, etc.
  • a highly reflective metallic layer and/or dielectric HRI layer with a comparatively high to very high refractive index in particular made of a metal oxide.
  • Such a highly reflective layer is preferably formed over the entire area or in the form of a pattern.
  • the at least one decorative layer with optically variable pigments, luminescent substances, magnetic or electrically conductive substances, a color layer, a thin film stack with a viewing angle-dependent interference color effect, a liquid crystal layer, or a combination of the aforementioned layers comprising metallic layers, dielectric Layers, etc., is configured.
  • the at least one decorative layer preferably has at least one reflection layer, preferably in the form of a pattern, more preferably in the form of a first piece of information.
  • the at least one decorative layer has at least one thin-film layer element for generating a viewing angle-dependent color shift effect.
  • the at least one decorative layer prefferably has at least one color layer, preferably in the form of a pattern, more preferably in the form of a second piece of information.
  • the second information can be identical, in particular congruent, to the first piece of information.
  • the second information can be different from the first information.
  • Information means in particular the representation of one of the following design elements or a combination of the following design elements: alphanumeric character, character, symbol, microprint, image, motif, photo, logo, portrait, pictogram. It is also possible for the information to be presented in the form of an endless pattern and/or a grid, in particular a periodic grid, aperiodic grid, random grid, amplitude-modulated grid, point grid, line grid.
  • the at least one color layer is colored by means of dyes and/or color pigments, the degree of pigmentation of the at least one color layer preferably being between 1% and 50%, preferably between 10% and 30%.
  • the at least one colored layer has a layer thickness of between 0.5 ⁇ m and 10 ⁇ m, preferably between 1 ⁇ m and 5 ⁇ m. It is further preferred that the at least one colored layer is applied as a paint and the preferred layer thickness is understood as the dry layer thickness.
  • the at least one color layer is multi-layered, in particular that the at least one color layer is formed from two or more partial layers, wherein the two or more partial layers preferably each have a layer thickness between 0.1 ⁇ m and 2 ⁇ m, more preferably between 0. 3 pm and 1 pm. Furthermore, it is also possible for the at least one color layer to be formed over the entire surface, in particular for the at least one color layer to cover the entire surface of the decorative layer when viewed from above.
  • the at least one color layer has a transmittance, in particular in the wavelength range between 300 nm and 780 nm, of more than 10%, preferably more than 25%, more preferably more than 50%, even more preferably more than 75 %, more preferably more than 90%.
  • the at least one color layer is an overprint.
  • the at least one color layer is applied as an overprint, in particular to at least one of the other layers comprised by the decorative layer.
  • the color layer is preferably applied as an overprint after the other layers comprised by the decorative layer have already been applied to the substrate.
  • the adhesive force between the at least one colored layer and the at least one decorative layer is at least 25 cN, preferably at least 30 cN.
  • the at least one decorative layer preferably has at least one primer layer.
  • the at least one primer layer is transparent or translucent or opaque and/or colored or at least partially colored and/or transparent. Especially if the at least one If the primer layer is at least partially colored or formed colored, the contrast to the substrate is enhanced and a particularly high-quality visual impression or effect is achieved.
  • the at least one primer layer has a surface roughness in the range from 100 nm to 200 nm, preferably from 120 nm to 160 nm.
  • the surface roughness is determined, among other things, by the application method and the formulation of the primer layer. It was found that a lower surface roughness, but surprisingly also a higher surface roughness of the primer layer, leads to a reduction in the adhesion that can be achieved between a cold adhesive and the transfer layer or decorative layer.
  • the surface roughness of the primer layer was determined using interference microscopy.
  • the at least one decorative layer may comprise a plurality of primer layers which can differ in their chemical and/or physical properties, so that sufficient adhesion is formed to the layers adjoining the primer layer, in particular to an adjoining adhesive layer. It is thus possible, for example, to achieve sufficient adhesion in the direction of the at least one decorative layer on one side of the primer layer and sufficient adhesion in the direction of the at least one adhesive layer on the other side of the primer layer.
  • the chemical and/or physical properties of the at least one adhesive layer of the at least one decorative layer and the at least one adhesive layer of the at least one protective layer to be different.
  • optimal adhesion is formed to the adjoining layers, which can consist of different materials. It is thus possible, for example, to achieve optimal adhesion of the at least one protective layer to the at least one decorative layer through the at least one adhesive layer of the at least one protective layer. It is also possible, for example, to achieve optimal adhesion of the at least one decorative layer to the substrate through the at least one adhesive layer of the at least one decorative layer.
  • the at least one adhesive layer of the at least one protective layer at least partially or completely covers the at least one decorative layer.
  • the at least one adhesive layer of the at least one decorative layer and/or the at least one adhesive layer of the at least one protective layer comprises multiple adhesive layers that differ in their chemical and/or physical properties.
  • the at least one adhesive layer of the at least one decorative layer preferably does not cover the decorative layer at least in regions or at least partially or over the entire surface.
  • At least one area is in the form of a pattern, in particular in the form of at least one of the following design elements or a combination of the following design elements: alphanumeric character, character, symbol, microscript, image, motif, photo, logo, portrait, pictogram. It is also possible for an area to be designed in the form of an endless pattern and/or a grid, in particular a periodic grid, aperiodic grid, random grid, amplitude-modulated grid, point grid, line grid.
  • LMI and/or MGA adhesive low-migration adhesive
  • the at least one adhesive layer of the at least one decorative layer preferably comprises polyester copolymers, acrylate copolymers, polyvinyl chloride, chlorinated polyolefins, ketone/aldehyde resins, colophony resins, hydrocarbon resins, polyamide resins.
  • the at least one adhesive layer of the at least one decorative layer and/or the at least one adhesive layer of the at least one protective layer comprises or consists of polyester resins.
  • the adhesive layer of the protective layer comprises one of the following polyester resins and/or combinations thereof: Danpol PES 800 (Danquinsa GmbH, Dettenhausen, Germany), Tego Addbond LTH (Evonik Industries AG, Essen, Germany), Vitel 3300B (Bostik GmbH, Borgholzhausen, Germany ).
  • the at least one adhesive layer of the at least one decorative layer and/or the at least one adhesive layer of the at least one protective layer has a softening range in a range between 40° C. and 180° C., more preferably between 60° C. and 140° C .
  • At least one protective layer comprising at least one protective layer and at least one adhesive layer
  • the at least one protective layer covers the at least one decorative layer at least partially, in particular over the entire surface.
  • the at least one protective layer preferably forms the visible side of the multi-layer body. This means that the at least one protective layer forms the top layer in a top view, ie when looking perpendicularly onto the surface of the plane spanned by the substrate, and the substrate preferably forms the bottom layer. In other words is preferred that the at least one protective layer is attached to the side of the at least one decorative layer facing away from the substrate.
  • the at least one protective layer in particular protects the at least one decorative layer from chemical, physical and/or mechanical environmental influences.
  • the at least one protective layer is applied to the decorative layer in register.
  • the at least one protective layer has a mass per unit area in the range from 5 g/m 2 to 300 g/m 2 , preferably in the range from 20 g/m 2 to 100 g/m 2 .
  • the at least one protective layer prefferably be colored, in particular for the at least one protective layer to be colored using dyes and/or color pigments, with the degree of pigmentation of the at least one protective layer preferably being less than 20%, preferably less than 15%, more preferably less than 10%.
  • the at least one protective layer is not colored and/or the degree of pigmentation of the at least one protective layer is less than 5%.
  • the transmittance of the at least one protective layer is 0.5, preferably 0.7, in particular when measured according to DIN EN ISO 13468-1:2019-10 ("Plastics - Determination of the total light transmittance of transparent materials - Part 1 : Single-beam instrument", issue date: 2019-10) with an illuminant D65, preferably with compensation.
  • DIN EN ISO 13468-1:2019-10 Puls - Determination of the total light transmittance of transparent materials - Part 1 : Single-beam instrument", issue date: 2019-10) with an illuminant D65, preferably with compensation.
  • at least 50%, preferably at least 70%, of the light incident and/or radiated onto the at least one protective layer is on the opposite side, in particular when measuring according to DIN EN ISO 13468-1:2019-10 with an illuminant D65, preferably with compensation.
  • Compensation is preferably understood to mean the minimization of, in particular, extraneous light, aging and/or temperature drift phenomena.
  • the amount of light that lets through consists of a directed and an undirected, i.e. diffuse, component.
  • a transparent material prefers to show different effects.
  • a distinction is preferably made between large and small angle scattering.
  • the at least one protective layer has a haze value of at most 100%, preferably at most 90%, in particular when measured according to DIN EN ISO 13468-1:2019-10 with an illuminant D65, preferably with compensation.
  • the at least one protective layer diffusely scatters transmitted light, preferably of the light type D65, preferably with compensation, more preferably according to DIN EN ISO 13468-1:2019-10, and/or in particular by less than 20 %, preferably by less than 10%, by scattering.
  • the at least one protective layer may have an image sharpness value of 0.5% to 10%, preferably 1% to 5%, in particular when measured according to DIN EN ISO 13468-1:2019-10 with one type of light D65, preferably with compensation.
  • haze or turbidity is preferably understood to mean diffuse scattering, in particular large-angle scattering, which in particular leads to a decrease in imaging quality.
  • the scattering centers are preferably particles or inhomogeneities in the material, on which in particular the light is scattered in all spatial directions, with advantageously only a low scattering intensity occurring at each solid angle. In particular, this causes a reduction in the contrast and/or a milky-cloudy appearance, with this effect preferably being referred to as haze or turbidity.
  • the haze value preferably represents a measure of the turbidity of transparent samples, for example layers, plies and/or foils.
  • clarity or image sharpness is preferably understood to mean diffuse scattering, in particular small-angle scattering, which in particular leads to a decrease in imaging quality.
  • the light is deflected within a small solid angle, preferably less than 2.5°, in such a way that the amount of scattered light is concentrated in a narrow lobe.
  • contours in particular are distorted and/or appear less sharp, with this effect preferably being referred to as clarity or image sharpness.
  • the clarity value is preferably a measure of the image sharpness of transparent samples, for example of layers, plies and/or foils.
  • the haze value and the clarity value are preferably determined according to DIN EN ISO 13468-1:2019-10.
  • the haze value and the clarity value are measured using the “BYK haze-gard i” measuring device from Byk-Gardener GmbH, Geretsried, Germany.
  • the layer, ply or film to be measured is preferably held in the open sample space of the measuring device and, in particular, applied to the so-called "haze port" of the device for the haze value, with the measurement advantageously using light type D65, preferably with compensation, is carried out.
  • the result of the measurement on meter screen is displayed.
  • the value ranges of the haze value and the clarity value are therefore preferably 0% to 100%.
  • the maximum value is preferably 100%. Values higher than 100% that may occur can be caused, for example, by additional scattered light effects and/or reflection effects during the measurement, in particular depending on the measurement principle used.
  • a type of light D65 is preferably understood to mean a standard light with specific spectral properties which have been defined by the Commission Internationale d'Eclairage (CIE).
  • the standard illuminant D preferably includes the daylight spectrum, with the illuminant D65 preferably having a color temperature of 6504K.
  • the spectral distribution of D65 light sources is specified in particular in DIN 5033 and includes wavelengths in a range from 300 nm to 780 nm. More preferably, the substrate surface is illuminated with a light intensity of 2000 lux.
  • the at least one protective layer is preferably not directly perceptible to the viewer, rather interesting optical effects are brought about as a result. More preferably, the underlying at least one decorative layer is given the preferred dullness and/or soft focus.
  • the at least one protective layer is preferably only perceptible in that the underlying at least one decorative layer appears dull and less brilliant due to the opacity caused by the at least one protective layer.
  • the at least one decorative layer is provided with a soft-focus effect to a certain extent, as a result of which surfaces with reduced contrast are created.
  • a transparent paper in particular from the manufacturer Canson, with a mass per unit area in the range from 40 g/m 2 to 45 g/m 2 has a transmittance of between 83% and 85%, a haze value of 100% and an image sharpness value from 1.70% to 1.85%.
  • a transparent paper in particular from the manufacturer Canson, in turn has, for example, a transmittance of 80% to 82%, a haze value of 100% and an image sharpness value of 1.45% to 1, with a mass per unit area of 70 g/m 2 5% up.
  • a printer paper used for comparison, in particular from the manufacturer Steinbeis, with a degree of whiteness of 90 according to ISO 11475:2017 ("Paper and board - determination of CIE whiteness D65/10 degrees (outdoor daylight)", issue date: 2017-05) and an area-related A mass of 70 g/m 2 has, for example, a transmittance of 15.5%, a haze value of 103% and an image sharpness value of 0.67%.
  • an underlying decorative layer is still visible and is preferably provided with a soft-focus effect, while in particular the printing paper from Steinbeis is not transparent and the decorative layer is completely hidden from the viewer.
  • the at least one protective layer may have a plurality of protective layers, these preferably differing in their properties, preferably optical properties.
  • the multiple protective layers differ in the degree of pigmentation and/or type of pigments and/or transmittance and/or color and/or opacity and/or image sharpness and/or thickness.
  • the multi-layer body may have at least two, in particular different, protective layers, which preferably differ by degree of pigmentation and/or type of pigments and/or degree of transmission and/or color and/or opacity and/or image sharpness and/or thickness.
  • the at least two protective layers preferably each have at least one protective layer and one adhesive layer, with the at least one protective layer comprising or consisting of paper, in particular transparent paper.
  • the at least two protective layers are preferably designed according to the embodiments of the at least one protective layer.
  • At least two, in particular different, protective layers, which are preferably viewed in plan view are present next to one another. It is also possible that at least two, in particular different, protective layers, which are preferably viewed in plan view, are present at least partially on top of one another and/or overlapping.
  • the at least one decorative layer is present in a first area and not to be present in a second area.
  • layers and/or layers of the multi-layer body, in particular the substrate can be seen by the observer preferably in the first area and its optical properties can also contribute to the overall impression.
  • the at least one protective layer is present in a third area and not to be present in a fourth area, with the at least one decorative layer being uncovered in the fourth area.
  • the at least one decorative layer is therefore not covered with the at least one protective layer in the fourth area.
  • the decorative layer is to be perceived unaffected in certain areas (here the fourth area) and/or a particularly high gloss or brilliance is desired.
  • the substrate is present in a fifth area and is not present in a sixth area.
  • see-through areas can be created in a plan view.
  • first, second, third, fourth, fifth and/or sixth regions may partially or completely overlap, in particular when viewed from above, i.e. at a viewing angle perpendicular to the plane spanned by the substrate, decorative layer and/or protective layer .
  • the first area may overlap with the third area and for the second area to overlap with the fourth area.
  • the at least one decorative layer for example a metal layer
  • the at least one protective layer to overlap at least partially, preferably over the entire surface, with the substrate at least partially not being covered by the at least one protective layer and the at least one decorative layer.
  • the optical properties of the substrate in the second or fourth area can be seen by the observer without affecting other layers.
  • the multilayer body according to the invention is applied to a further substrate by means of a further lamination process or adhesive bonding process.
  • the additional substrate is made of cardboard, preferably packaging cardboard.
  • the overall thickness of a multi-layer body laminate produced in this way is preferably in a range from 1 mm to 5 mm, preferably 1 mm to 3 mm. This enables the production of particularly high-quality packaging with more complex decoration, the visual appearance of which can be individually adapted to the use.
  • the adhesive strength of the layers of the multi-layer body is an important property with regard to its usability.
  • the adhesive strength of the multi-layer body can preferably be determined using a cross-cut according to DIN EN ISO 2409:2013-06 ("Coating materials - cross-cut test (ISO 2409:2013), German version of EN ISO 2409:2013", issue date: 2013-06).
  • the evaluation is carried out in particular in accordance with DIN EN ISO 2409:2013-06 by visual evaluation of the measuring surface and classification into cross-cut characteristic values from 0 (very good adhesion) to 5 (very poor adhesion), abbreviated GT 0 to GT 5.
  • test method B with the characteristic values ranging from OB (very good adhesion) to 5B ( very poor adhesion) are classified.
  • Cross-cut characteristic values of GT 0 and/or 5B preferably result in the case of multi-layer bodies according to the invention.
  • Table 1 Criteria for dividing the cross-cut bond strength into characteristic values, in particular according to DIN EN ISO 2409:2013-06 and ASTM D3359-09
  • the gloss of the surface is another property of the multi-layer body that influences its visual appearance and thus also its preferred application. Gloss is preferably understood as meaning the optical property of a surface to reflect light.
  • the gloss value in gloss units [GU] gloss units
  • a reflectometer model ZGM 1130 Zehntner GmbH, Sissach, Switzerland
  • the surface of the decorative layer embossed only on a substrate (variant V1) and the surface of the decorative layer embossed on a substrate to which a protective layer was applied over the entire surface (variant V2) were measured once in each case. Further, the paper base layer (cardboard) GC 1 used as the substrate was measured. A transparent paper (TPL) was used as a protective layer.
  • Table 2 Gloss values in [GU] of the measured surfaces at three different measuring angles, whereby no protective layer was applied in variant V1 and a protective layer in variant V2.
  • a flop effect occurs, preferably in the case of decorative layers with a gloss value of 100 gil or more when viewed from different angle ranges.
  • a flop effect is preferably to be understood as meaning a brightness flop. In other words, this preferably means a change in brightness when the measurement angle changes.
  • a decorative layer overlaminated with a protective layer shows different effects at different measurement angles. These effects preferably occur in the case of diffuse light, that is to say in the case of uniform and low-contrast and low-shadow illumination, in particular by planar light sources or diffusers.
  • a metallically shiny decorative layer in particular appears satin-matt, ie with subtle reflection.
  • the surface preferably appears shimmering and has a white paper appearance, in particular when viewed at an angle in the range from less than 45° to 0° and/or when viewed at an angle of greater than 135° to 180°.
  • the multilayer body according to the invention is preferably used for posters, placards, decorative materials, labels, packaging material, in particular packaging boxes, outer packaging, gift wrap, book covers and/or envelopes.
  • step a) further comprises the following steps, in particular which are carried out in the following order: a1) providing the substrate, a2) providing the at least one decorative layer as a transfer layer of a transfer film, the transfer film also having a carrier layer and the includes a transfer layer, a3) applying the at least one decorative layer to the substrate in at least a partial area, a4) removing the carrier layer, in particular while retaining the substrate provided with the at least one decorative layer.
  • the substrate provided with the at least one decorative layer in step a4) corresponds to the substrate provided in step a).
  • the substrate provided in step a), more preferably the one provided in step a1) comprises at least one optical coating.
  • the at least one decorative layer applied to the substrate in step a), in particular the at least one decorative layer provided in step a2), at least one protective lacquer layer and/or at least one decorative layer and/or one functional layer and/or at least one primer layer and /or has at least one adhesive layer and/or at least one color layer.
  • the at least one decorative layer is applied in at least a partial area to the substrate after step a3) and/or the at least one protective layer is applied to the substrate provided with at least one decorative layer after step c) using one of the following methods: Embossing, in particular hot embossing or cold embossing, or printing, in particular intaglio printing and/or screen printing and/or offset printing and/or inkjet printing and/or xerographic printing (laser printing), or laminating, in particular hot laminating.
  • Embossing in particular hot embossing or cold embossing
  • printing in particular intaglio printing and/or screen printing and/or offset printing and/or inkjet printing and/or xerographic printing (laser printing), or laminating, in particular hot laminating.
  • the at least one protective layer is applied to the substrate provided with the at least one decorative layer after step c) with at least one of the following parameters, in particular with the following parameters:
  • the transfer film provided in step a2) has at least one detachment layer, in particular which is arranged between the carrier layer and the transfer layer.
  • the at least one release layer comprises a material or a combination of materials selected from the group consisting of waxes, silicones, polyurethanes and/or polymers, preferably acrylate copolymers, polyester copolymers, polystyrene copolymers, polycarbonate copolymers.
  • the at least one release layer has a thickness in the range of 0.01 ⁇ m to 0.50 ⁇ m.
  • the at least one detachment layer is transparent or translucent or opaque and/or colored or at least partially colored and/or transparent.
  • the at least one decorative layer is applied in a first area and is not applied in a second area.
  • the at least one protective layer is applied in a third area and is not applied in a fourth area.
  • the substrate is applied in a fifth area and is not applied in a sixth area.
  • first and/or second and/or third and/or fourth and/or fifth and/or sixth areas particularly when viewed from above, ie at a viewing angle perpendicular to that of the substrate, decorative layer and/or Protective layer spanned plane, partially or completely overlap.
  • FIG. 1 shows a sectional view of a multi-layer body.
  • Fig. 2 shows another sectional view of a
  • Fig. 3 shows another sectional view of a
  • Fig. 4 shows another sectional view of a
  • Fig. 5 shows another sectional view of a
  • Fig. 6 shows another sectional view of a
  • Fig. 7 shows another sectional view of a
  • Fig. 8 shows another sectional view of a
  • Fig. 9 shows an illustration of a method for manufacturing a
  • Fig. 10 shows a further representation of a method for
  • Figs. 11a to 11d show results of a crosshatch test for a classification of crosshatch bond strength into characteristics.
  • Fig. 1 shows a sectional view of a multi-layer body 1, in particular a laminate, preferably comprising a substrate 10, at least one decorative layer 30 and at least one protective layer 20.
  • the at least one protective layer 20 comprises at least one adhesive layer 22 and at least one Protective layer 21, wherein the at least one protective layer 21 comprises or consists of paper, in particular transparent paper.
  • the multi-layer body shown in FIG. 1 is preferably produced using the method shown in FIG. 9, which comprises the following steps, in particular which are carried out in the following order: a) providing a substrate 10 provided with at least one decorative layer 30, b) providing at least one protective layer 20, the protective layer
  • the 20 comprises at least one protective layer 21 and at least one adhesive layer 22, wherein the at least one protective layer
  • the 21 comprises or consists of paper, in particular transparent paper, c) applying the at least one protective layer 20 to the substrate 10 provided with the at least one decorative layer 30, in particular while retaining the multi-layer body 1.
  • the substrate 10 preferably comprises a material selected from the group consisting of paper, paperboard, paperboard, preferably paper, paperboard, and more preferably graphic arts coated paper, graphic arts uncoated paper, coated paper for packaging, uncoated paper for packaging, coated paperboard, uncoated paperboard and mixtures thereof is selected.
  • the substrate 10 is translucent or opaque and/or colored or at least partially colored.
  • the substrate 10 has a basis weight in the range of 50 g/m 2 to 500 g/m 2 .
  • the substrate 10 preferably has a surface smoothness in the range from 0.5 ⁇ m to 8.0 ⁇ m, preferably in the range from 1.0 ⁇ m to 3.0 ⁇ m, measured in particular using the Parker Print Surf (PPS) method according to DIN ISO 8791 - 4:2008-05 ("Paper and paperboard - Determination of roughness/smoothness (air flow method) - Part 4: Print-Surf method", issue date: 2008-05), and/or a surface smoothness in the range of 50 ml /min to 900 ml/min, preferably in the range from 100 ml/min to 400 ml/min, in particular measured according to the Bendtsen method according to DIN ISO 8791-2:2013-09 ("Paper and cardboard - determination of roughness/smoothness (Air permeability method) Part 2: Method according to Bendtsen", issue date: 2013-09).
  • PPS Parker Print Surf
  • the at least one decorative layer 30 is preferably attached between the substrate 10 and the at least one protective layer 20 .
  • the decorative layer 30 has a decorative layer 31 .
  • the decorative layer 30 has at least one protective lacquer layer 33 and/or at least one decorative layer 31 and/or a functional layer and/or at least one primer layer 35 and/or at least one adhesive layer 32 and/or at least one Color layer 34 on.
  • the decorative layer 30 has a thickness in the range from 1.0 ⁇ m to 5 ⁇ m, in particular from 1.0 ⁇ m to 2 ⁇ m.
  • the at least one decorative layer 31 of the at least one decorative layer 30 comprises at least one metallic layer and/or at least one dielectric layer.
  • the at least one decorative layer 31 preferably has a thickness in the range from 8 nm to 1000 nm, preferably from 8 nm to 200 nm, particularly preferably from 10 nm to 100 nm.
  • the at least one metallic layer comprises a material or a material combination selected from: aluminum, silver, gold, copper, nickel, chromium, indium, tin and/or an alloy comprising at least two of these metals.
  • the at least one dielectric layer preferably comprises a material or a material combination selected from: metal oxide, polymer, lacquer, HRI material, in particular MgO, TiOn, Al2O3, ZnO, ZnS and/or SiOn, where n preferably ranges from 1 to 3 includes.
  • the at least one decorative layer 31 is formed from an HRI material, preferably CdSe, CeTe, Ge, HfC, PbTe, Si, Te, TiCl or ZnTe, which is particularly suitable for at least part of the spectrum in the UV range, in particular for the wavelength range from 250 nm to 400 nm, is radiolucent.
  • an HRI material preferably CdSe, CeTe, Ge, HfC, PbTe, Si, Te, TiCl or ZnTe, which is particularly suitable for at least part of the spectrum in the UV range, in particular for the wavelength range from 250 nm to 400 nm, is radiolucent.
  • the at least one decorative layer 31 may have at least one layer that generates an optically variable effect.
  • the at least one decorative layer 31 has at least one replication lacquer layer with a surface structure molded into the at least one replication lacquer layer, in particular wherein the surface structure molded into the at least one replication lacquer layer is selected from: diffractive surface structure, refractive surface structure, lens structure, matt structure, blaze -grid. It has proven useful if the at least one decorative layer 31 has a diffractive and/or refractive relief structure for generating optically variable effects and/or a macrostructure for generating three-dimensional effects or depth effects.
  • Diffractive and/or refractive relief structures which are formed in particular in a transparent lacquer layer or replication lacquer layer, can be used to achieve different optical effects, so-called optically variable effects, depending on the viewing angle, such as holograms, three-dimensional representations with a kinematic effect dependent on the viewing angle, etc.
  • a highly reflective metallic layer and/or dielectric HRI layer with a comparatively high to very high refractive index are usually arranged adjacent to a highly reflective metallic layer and/or dielectric HRI layer with a comparatively high to very high refractive index, in particular made of a metal oxide.
  • a highly reflective layer is preferably formed over the entire area or in the form of a pattern.
  • the at least one decorative layer 31 preferably has at least one reflection layer, preferably in the form of a pattern.
  • the at least one decorative layer 31 has at least one thin-film layer element for generating a color shift effect that is dependent on the viewing angle. It is also preferred that the at least one decorative layer 31 has a gloss value of 100 GU or more, more preferably 250 GU or more, in particular at a measurement angle of 60° in the case of light, in particular light in the wavelength range between 300 nm and 780 nm .
  • the at least one adhesive layer 22 of the at least one protective layer 20 covers the at least one decorative layer 30 at least partially or over the entire surface.
  • the at least one adhesive layer 22 of the at least one protective layer 20 comprises a plurality of adhesive layers which differ in their chemical and/or physical properties.
  • the at least one adhesive layer 22 of the at least one protective layer 20 is preferably also possible for the at least one adhesive layer 22 of the at least one protective layer 20 to be made from a hot melt adhesive and/or a thermoplastic adhesive and/or a cold adhesive and/or a radiation-curable adhesive, in particular an adhesive that is cured by means of electromagnetic radiation and/or electron beams and/or adhesive that can be cured by UV radiation, and/or an oxidatively curing adhesive and/or a low-migration adhesive.
  • the at least one adhesive layer 22 of the at least one protective layer 20 comprises or consists of polyester resins.
  • the protective layer 20 comprises one of the following polyester resins and/or combinations thereof: Danpol PES 800 (Danquinsa GmbH, Dettenhausen, Germany), Tego Addbond LTH (Evonik Industries AG, Essen, Germany), Vitel 3300B (Bostik GmbH, Borgholzhausen, Germany) .
  • the at least one adhesive layer 22 of the at least one protective layer 20 has a non-volatile content in the range from 5% by weight to 70% by weight, preferably 10% by weight to 50% by weight, in particular in each case based on the total weight of all components of the respective at least one adhesive layer, preferably directly after application.
  • the at least one adhesive layer 22 of the at least one protective layer 20 has a thickness in the range from 1 ⁇ m to 20 ⁇ m, in particular from 2 ⁇ m to 7 ⁇ m.
  • the at least one adhesive layer 22 of the at least one protective layer 20 to have a softening range in a range between 40° C. and 180° C., more preferably between 60° C. and 140° C.
  • the at least one protective layer 20 covers at least partially, in particular over the entire surface, the at least one decorative layer 30.
  • the at least one protective layer 20 preferably forms the visible side of the multi-layer body 1. This means that the at least one protective layer 20 forms the uppermost layer in plan view. In other words, it is preferable for the at least one protective layer 20 to be attached to the side of the at least one decorative layer 30 facing away from the substrate 11 .
  • the protective layer 20 covers the decorative layer 30 over the entire surface and also forms the visible side of the multi-layer body 1 .
  • the at least one protective layer 20 in particular protects the at least one decorative layer 30 from chemical, physical and/or mechanical environmental influences.
  • the at least one protective layer 20 prefferably be applied to the decorative layer 30 in precise register.
  • the at least one protective layer 21 has a mass per unit area in the range from 5 g/m 2 to 300 g/m 2 , preferably in the range from 20 g/m 2 to 100 g/m 2 .
  • the at least one protective layer 21 is colored, in particular for the at least one protective layer 21 to be colored using dyes and/or color pigments, with the degree of pigmentation of the at least one protective layer 21 preferably being less than 20%, preferably less than 15% preferably less than 10%.
  • the at least one protective layer 21 is not colored and/or the degree of pigmentation of the at least one protective layer 21 is less than 5%.
  • the ratio of the amount of light transmitted by the protective layer 21 to the amount of incident light is at least 0.5, preferably 0.7, in particular when measured according to DIN EN ISO 13468-1:2019-10 with an illuminant D65, preferably with compensation.
  • the at least one protective layer 21 has a transmittance of at least 50%, preferably at least 70%, in particular when measuring according to DIN EN ISO 13468-1:2019-10 with a light type D65, preferably with compensation, having. Provision is also preferably made for the at least one protective layer 21 to have a haze value of at most 100%, preferably at most 90%, in particular when measured according to DIN EN ISO 13468-1:2019-10 with a light type D65, preferably with compensation .
  • the at least one protective layer 21 diffusely scatters transmitted light, preferably of the light type D65, preferably with compensation, more preferably according to DIN EN ISO 13468-1:2019-10, and/or in particular by less than 20%, preferably less than 10%, distracted by scattering.
  • the at least one protective layer 21 may have an image sharpness value of 0.5% to 10%, preferably 1% to 5%, in particular when measured according to DIN EN ISO 13468-1:2019-10 with a Illuminant D65, preferably with compensation.
  • the substrate 10, as described in step a), can be a provided piece of paper sheet, approximately 20 cm ⁇ 30 cm, from Sappi (Type: Magno Gloss Arctic White, 200 g/m 2 ).
  • the substrate 10 is with a surface stamp (brass stamp from Minder & Mühlich, dimensions 7 cm x 10 cm) in a hand embossing machine (Gierlich P5000, temperature at the stamp 119 ° C) with a decorative layer 30, for example a golden hot stamping foil (LUXOR MTS 220) decorated as a decorative layer 31.
  • a protective layer 20 is also provided, which can comprise, for example, transparent paper from Canson with a mass per unit area in the range from 40 g/m 2 to 45 g/m 2 as protective layer 21 .
  • a solvent-based adhesive layer 22 made of, for example, Tego Addbond LTH, Vitel 3300B and Danpol PES 800 applied in methyl ethyl ketone.
  • the adhesive layer 22 has in particular a non-volatile proportion of approximately 25% by weight with an application weight of 5 g/m 2 .
  • the adhesive layer 22 is dried to constant weight in a standard climate and preferably forms a closed layer on the transparent paper.
  • the coated tracing paper with the adhesive layer 22 is placed on the decorated substrate so that the decorated surface is preferably completely covered by the tracing paper with an overhang of in particular 3 cm on each side.
  • the preferably full-surface lamination of the transparent paper coated with an adhesive layer 22 onto the substrate 10 provided with a decorative layer 30 is carried out, for example, in the unrolling process with at least one of the following parameters, in particular with the following parameters: Speed: 1 m/min to 20 m/min, in particular 2 m/min to 10 m/min, roller temperature: 60° C. to 180° C., in particular 80° C. to 140° C., roller pressure: 1 bar to 20 bar.
  • the multilayer body 1 shown in FIG. 1 is preferably used for posters, placards, decorative materials, labels, packaging material, in particular packaging boxes, outer packaging, gift wrap, book covers and/or envelopes.
  • FIG. 2 shows a sectional view of a multi-layer body 1 with the same structure as the multi-layer body 1 according to FIG.
  • the decorative layer 30 further comprises, for example, in addition to at least one decorative layer 31, at least one protective lacquer layer 33 and at least one adhesive layer 32.
  • the substrate 10 here comprises at least one optical coating 11.
  • the at least one decorative layer 30 is covered over the entire surface by the at least one protective layer 20 .
  • the protective layer also forms the visible side of the multi-layer body 1 .
  • the multi-layer body 1 according to FIG. 2 is preferably produced using a method such as the production of the multi-layer body 1 according to FIG. 1 , the method having in particular further steps as shown in FIG. 10 .
  • step a) of the method shown in Fig. 10 further includes the following steps, in particular which are carried out in the following order: a1) providing the substrate 10, a2) providing the at least one decorative layer 30 as a transfer layer of a transfer film, the transfer film further comprises a carrier layer and the transfer layer, a3) applying the at least one decorative layer 30 in at least a partial area to the substrate 10, a4) removing the carrier layer, in particular while retaining the substrate 10 provided with the at least one decorative layer 30.
  • the substrate 10 provided with the at least one decorative layer 30 in step a4) corresponds to the substrate 10 provided in step a).
  • the application of the at least one decorative layer 30 in at least a partial area to the substrate 10 after step a3) and/or the application of the at least one protective layer to the substrate 10 provided with the at least one decorative layer 30 after step c) using one of the following methods: embossing, in particular hot embossing or cold embossing, or printing, in particular intaglio printing and/or screen printing and/or offset printing and/or inkjet printing and/or xerographic printing ( laser printing), or laminating, in particular hot laminating.
  • the at least one optical coating 11 is applied at least to the substrate side facing the at least one decorative layer 30 . Even more preferably, a further optical coat of paint 11 is also applied to the substrate side that faces away from the at least one decorative layer 30 .
  • the at least one optical coating 11 is preferably colored, in particular by means of dyes and/or color pigments, the degree of pigmentation of the at least one optical coating 11 preferably being less than 50%, preferably less than 40%, more preferably less than 30%.
  • the at least one optical paint 11 is colorless and/or is clearly transparent and/or that the degree of pigmentation of the at least one optical paint is 11 0%.
  • the at least one optical coat of paint 11, preferably at a measuring angle of 60°, with light, in particular light in the wavelength range between 300 nm and 780 nm, has a gloss value of more than 50 GU, preferably more than 60 GU , having.
  • the at least one protective lacquer layer 33 preferably comprises a material or a material combination selected from: polymers, in particular acrylate Copolymers, polyester copolymers, polystyrene copolymers, polycarbonate copolymers and/or SMA copolymers.
  • the at least one protective lacquer layer 33 preferably has a thickness in the range from 0.5 ⁇ m to 3 ⁇ m, in particular from 0.8 ⁇ m to 1.3 ⁇ m.
  • the protective lacquer layer 33 can function as a release layer.
  • the detachment force of the protective lacquer layer 32 from the carrier layer is preferably between
  • the at least one protective lacquer layer 32 is preferably transparent or translucent or opaque and/or colored or at least partially colored and/or transparent.
  • the protective lacquer layer 33 represents in particular protection against chemical, physical and/or mechanical stress on the at least one decorative layer on the substrate.
  • the at least one adhesive layer 32 of the at least one decorative layer 30 can have the features already listed for the at least one adhesive layer 22 of the protective layer 20.
  • the chemical and/or physical properties of the at least one adhesive layer 32 of the at least one decorative layer 30 and the at least one adhesive layer 22 of the at least one protective layer 20 are different.
  • the metallic layer only has a layer thickness in the range of 8 nm to 60 nm, preferably in the range from 10 nm to 30 nm.
  • the metallic layer In this way, good visibility and a decorative effect of the metallic layer are achieved in combination with high permeability to UV radiation, with the at least one metallic layer preferably having an OD of 1.2.
  • the at least one decorative layer for UV radiation in particular for the wavelength range from 250 nm to 400 nm, has a permeability in the range from 5% to 70%, in particular from 10 % to 40%.
  • the substrate 10 of the exemplary embodiment shown in FIG Step a1) described is provided.
  • an optical coating 11 is preferably applied to the substrate 10, which is colored, for example, by means of dyes with a degree of pigmentation of 10%, so that the substrate 10 has a red color impression.
  • a transfer film provided according to step a2) comprising a carrier layer and a Decorative layer 30, applied according to step a3).
  • the decorative layer 30 includes, for example a silver hot stamping foil (LUXOR MTS Alufin) as a decorative layer 31 which lies between a protective lacquer layer 33 and an adhesive layer 32 .
  • the protective lacquer layer 33 adjoining the carrier layer consists, for example, of a transparent and 1 ⁇ m thick acrylate copolymer.
  • the adhesive layer 32 of the decorative layer preferably comprises, in particular, polyester copolymers, acrylate copolymers, polyvinyl chloride, chlorinated polyolefins, ketone/aldehyde resins, colophony resins, hydrocarbon resins, polyamide resins.
  • the carrier layer comprises a material or a material combination selected from: PET, PMMA, PC, PE, PVC, PS, ABS, PU, PBS, PLA, PAN and/or glass and/or paper and/or hybrid materials.
  • the carrier layer is removed according to step a4) after the substrate 10 has been decorated, with the protective lacquer layer 33 acting as a detachment layer, so that the complete layer structure of the decorative layer 30 remains on the substrate 10 .
  • the protective lacquer layer 33 acting as a detachment layer, so that the complete layer structure of the decorative layer 30 remains on the substrate 10 .
  • a substrate 10 provided with a decorative layer 30 is obtained.
  • the transfer film provided also has at least one release layer.
  • the at least one detachment layer preferably comprises a material or a combination of materials selected from: waxes, silicones, polyurethanes and/or polymers, preferably acrylate copolymers, polyester copolymers, polystyrene copolymers, polycarbonate copolymers.
  • the at least one release layer of the at least one release layer preferably has a thickness in the range from 0.01 ⁇ m to 0.50 ⁇ m.
  • At least one detachment layer is transparent or translucent or opaque and/or colored or at least partially colored and/or transparent.
  • a tracing paper from Canson with a mass per unit area of 70 g/m 2 is provided as the protective layer 21 of the protective layer 20 .
  • an adhesive layer 22 is applied to the protective layer 21 and dried in such a way that it preferably forms a closed layer on the transparent paper. This preferably corresponds to step b) of the method according to FIG. 10.
  • the protective layer 20 is laminated, preferably over the entire surface, to the decorated substrate in accordance with step c) by means of an unrolling process.
  • the protective layer 20 protrudes in particular by 3 cm in each lateral direction beyond the decorative layer 30 .
  • Fig. 3 is a sectional view of an embodiment variant of the multi-layer body 1, as shown in Fig. 2, described, comprising a substrate 10, at least one decorative layer 30 and at least one protective layer 20.
  • the at least one decorative layer 30 is present in a region 40a and is not present in another area 40b.
  • the substrate 10 is preferably visible to an observer in a plan view through the at least one protective layer 20 .
  • the at least one decorative layer 30 preferably comprises at least one adhesive layer 32, at least one decorative layer 31 and at least one protective lacquer layer 33.
  • the at least one decorative layer 30 has at least one color layer 34, which, as shown in Fig. 3, is in particular on the layer facing protective layer 20 Side of the at least one protective lacquer layer 33 is attached.
  • a glossy colored optical coating 11 is preferably applied to the substrate 10 and faces the decorative layer 30 .
  • the at least one decorative layer 30 also has at least one or more primer layers 35, which can differ in their chemical and/or physical properties, so that sufficient adhesion is formed to the layers adjoining the primer layer 35, in particular to an adjoining adhesive layer 32 . It is thus possible, for example, to achieve sufficient adhesion in the direction of the at least one decorative layer 31 on one side of the primer layer 35 and sufficient adhesion in the direction of the at least one adhesive layer 32 on the other side of the primer layer 35 .
  • the at least one primer layer 35 is transparent or translucent or opaque and/or colored or at least partially colored and/or transparent.
  • At least one decorative layer 31 preferably has at least one reflection layer, preferably in the form of a pattern, more preferably in the form of a first piece of information.
  • the at least one color layer 34 is preferably formed in a pattern, more preferably in the form of a second piece of information.
  • the second piece of information can be identical, in particular congruent, to the first piece of information.
  • the second information can be different from the first information.
  • Information means in particular the representation of one of the following design elements or a combination of the following design elements: alphanumeric character, character, symbol, microprint, image, motif, photo, logo, portrait, pictogram. It is also possible for the information to be presented in the form of an endless pattern and/or a grid, in particular a periodic grid, aperiodic grid, random grid, amplitude-modulated grid, point grid, line grid.
  • the at least one color layer 34 is an overprint. This means here that the at least one color layer 34 is applied as an overprint to the side of the at least one protective lacquer layer 33 facing the protective layer 20 .
  • the color layer 34 is preferably applied as an overprint after the other layers comprised by the decorative layer 30 have already been applied to the substrate 10 .
  • the at least one color layer 34 is colored by means of dyes and/or color pigments, the degree of pigmentation of the at least one color layer 34 preferably being between 1% and 50%, preferably between 10% and 30%.
  • the at least one colored layer 34 has a layer thickness between 0.5 ⁇ m and 10 ⁇ m, preferably between 1 ⁇ m and 5 ⁇ m. It is further preferred that the at least one color layer 34 is applied as a paint and the preferred layer thickness is understood as the dry layer thickness.
  • the at least one color layer 34 is multi-layered, in particular that the at least one color layer 34 is formed from two or more partial layers, the two or more Partial layers preferably each have a layer thickness between 0.1 ⁇ m and 2 ⁇ m, more preferably between 0.3 ⁇ m and 1 ⁇ m.
  • the at least one color layer 34 may be formed over the entire surface, in particular for the at least one color layer 34 to cover the entire surface of the at least one decorative layer 30 when viewed from above.
  • the at least one color layer 34 has a transmittance, in particular in the wavelength range between 300 nm and 780 nm, of more than 10%, preferably more than 25%, more preferably more than 50%, even more preferably more than 75%, more preferably more than 90%.
  • At least one area 40a, 40b and/or all areas can be designed in the form of a pattern, in particular in the form of at least one of the following design elements or a combination of the following design elements: alphanumeric character, character, symbol, microprint, image, photo, Motif, logo, portrait, pictogram.
  • At least one area 40a, 40b is in the form of an endless pattern and/or grid, in particular a periodic grid, aperiodic grid, random grid, amplitude-modulated grid, point grid, line grid.
  • a multi-layer body 1 is shown in FIG. 4 in its sectional view. Like the multi-layer body 1 according to FIG. 2, this includes in particular a substrate 10, including at least an optical coating 11, at least one decorative layer 30 and at least one protective layer 20.
  • the decorated substrate preferably has gaps in the substrate 10 and the at least one decorative layer 30 in each case.
  • the decorated substrate is designed such that there are regions 40c in which the at least one decorative layer 30 and a substrate 10 are present and regions 40d in which no decorative layer 30 and no substrate 10 are present.
  • see-through areas arise in particular in the case of transparent protective layers 20 in a plan view.
  • FIG. 5 shows another embodiment of a multi-layer body 1 in a sectional view.
  • a region 40e of the substrate 10, comprising at least one optical coating 11 is preferably decorated with the at least one decorative layer 30 and a region 40f of the substrate 10 is not decorated with the at least one decorative layer 30.
  • at least one protective layer 20 is also possible for at least one protective layer 20 to be applied in area 40e and no protective layer 20 to be applied in area 40f.
  • the configuration of the substrate 10 in the region without influencing the at least one protective layer 20 is therefore visible to an observer in a plan view. In other words, for example, the color and glossiness of the substrate 10 can be perceived without a soft-focus effect.
  • FIGS. 6 and 7 each show a sectional representation of a further multi-layer body 1 according to FIG. 2, the multi-layer body 1 having at least two protective layers 20a, 20b.
  • the at least two protective layers 20a, 20b each comprise at least one protective layer 21a, 21b and at least one adhesive layer 22a, 22b.
  • the multi-layer body of FIG. 6 also has areas 40g, which can be seen by the viewer in a plan view, in which at least one protective layer 20a preferably having different properties than at least one protective layer 20b in another area 40h.
  • the protective layers 20a, 20b can differ in particular in terms of the degree of pigmentation and/or type of pigments and/or degree of transmission and/or color and/or opacity and/or image sharpness and/or thickness.
  • the at least two protective layers 20a, 20b each have, in particular, the preferred embodiments of the at least one protective layer 20 shown in FIG. It is also conceivable that these areas 40g, 40h overlap at least partially.
  • the sectional view of the multi-layer body 1 according to FIG. 7 represents a supplement or alternative.
  • the viewer can see regions 40i in which at least one further protective layer 20b is preferably at least partially applied to at least one protective layer 20a.
  • no protective layer 20b is applied in the areas 40j that can be seen by the viewer, so that only the at least one protective layer 20a is visible there.
  • the protective layers 20a, 20b it is possible for the protective layers 20a, 20b to differ in their properties and preferably to have the preferred embodiments of the at least one protective layer 20 shown in FIG.
  • the appearance of the multi-layer body 1 can be influenced and, for example, a transition from a purely yellow area to a purely red area can be made possible, with an orange mixed color being visible in particular where the areas overlap. It is also intended, by overlapping protective layers, to create areas that have a stronger softening effect or greater opacity than other areas arranged next to them.
  • a further embodiment of a multi-layer body 1 according to FIG. 2 is in
  • Fig. 8 shown by means of a schematic sectional view.
  • Multi-layer body 1 in this case has a substrate 10 on which at least one Decorative layer 30a is applied. It is also possible to apply at least one further decorative layer 30b over the entire area or at least partially to the at least one decorative layer 30a applied to the substrate 10 .
  • the at least one decorative layer 30a comprises at least one decorative layer 31a and at least one adhesive layer 32a
  • the at least one further decorative layer 30b comprises at least one decorative layer 31b, at least one adhesive layer 32b and at least one protective lacquer layer 33.
  • At least one protective layer 20 is preferably applied over the entire surface, preferably as the final layer.
  • the at least one further decorative layer 30b is designed in such a way that it is transparent to at least partial areas of the light spectrum visible to the human eye, in particular in the wavelength range between 300 nm and 780 nm.
  • This embodiment variant of multilayer body 1 makes it possible for the observer to see regions 40I in a top view of the visible side of multilayer body 1, the optical appearance of which is influenced by the at least one decorative layer 30a in contact with substrate 10, and regions 40k that are influenced by the at least one further decorative layer 30b are influenced.
  • 11a to 11d show schematic results of a test to determine the adhesive strength of a multi-layer body 1, for example according to FIGS. 1 to 8, in plan view.
  • the bond strength is measured by a cross hatch
  • the resultant sectional image is preferably evaluated visually and assigned a characteristic value. Characteristic values preferably result in accordance with the standard of between GT 0 or 5B for good adhesion and GT 5 or OB for poor adhesion.
  • the multi-layer body 1 for example according to FIGS. 1 to 8, preferably has a characteristic value of GT 0 or 5B.

Landscapes

  • Laminated Bodies (AREA)

Abstract

L'invention concerne un corps multicouche (1), en particulier un stratifié, et un procédé de production d'un corps multicouche (1). Le corps multicouche (1) comprend un substrat (10), au moins une couche décorative (30) et au moins une couche de protection (20). La ou les couches de protection (20) comprennent au moins une couche adhésive (22) et au moins une couche de protection (21), la ou les couches de protection (21) comprenant ou étant constituées de papier, en particulier de papier transparent.
EP21762368.5A 2020-08-20 2021-08-04 Corps multicouche et procédé de production d'un corps multicouche Pending EP4200135A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020121896.6A DE102020121896A1 (de) 2020-08-20 2020-08-20 Mehrschichtkörper und ein Verfahren zur Herstellung eines Mehrschichtköpers
PCT/EP2021/071752 WO2022037941A1 (fr) 2020-08-20 2021-08-04 Corps multicouche et procédé de production d'un corps multicouche

Publications (1)

Publication Number Publication Date
EP4200135A1 true EP4200135A1 (fr) 2023-06-28

Family

ID=77520702

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21762368.5A Pending EP4200135A1 (fr) 2020-08-20 2021-08-04 Corps multicouche et procédé de production d'un corps multicouche

Country Status (5)

Country Link
US (1) US20230311468A1 (fr)
EP (1) EP4200135A1 (fr)
CN (1) CN115956023A (fr)
DE (1) DE102020121896A1 (fr)
WO (1) WO2022037941A1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR204632A1 (es) * 1973-09-20 1976-02-20 Orchard Corp Of America Conjunto para laminacion
DE3337458A1 (de) 1983-10-14 1985-04-25 Werner Dr. 8156 Otterfing Raab Vorgefertigte nageldekorschicht oder -folie fuer die dekorative nagelkosmetik
SE467150B (sv) * 1988-08-25 1992-06-01 Perstorp Ab Dekorativt haerdplastlaminat med extremt foerhoejd slitstyrka
DE29808199U1 (de) 1998-05-07 1999-09-09 Papierfabrik Weissenstein Ag Sicherheitspapier
KR101488098B1 (ko) * 2013-08-02 2015-01-29 이상범 위조방지용 투명 보호지를 갖는 병용 라벨지
DE202018003473U1 (de) 2018-07-26 2019-10-30 Interprint Gmbh Mehrlagiger Schichtaufbau
DE102018132321A1 (de) 2018-12-14 2020-06-18 Ovd Kinegram Ag Verfahren zur Herstellung eines Folienzwischenprodukts, Folienzwischenprodukt sowie Verfahren zur Herstellung eines Produkts
DE102019123558A1 (de) 2019-09-03 2021-03-04 Constantia Pirk Gmbh & Co. Kg Resuspendierbares Papierlaminat und Verfahren zu dessen Herstellung

Also Published As

Publication number Publication date
US20230311468A1 (en) 2023-10-05
WO2022037941A1 (fr) 2022-02-24
DE102020121896A1 (de) 2022-02-24
CN115956023A (zh) 2023-04-11

Similar Documents

Publication Publication Date Title
EP1827864B1 (fr) Element de securite comportant une couche a variation optique et son procede de production
EP3288770B1 (fr) Élément de sécurité à structure multicouche
EP1748903B8 (fr) Element de securite lisible par machine pour produits de securite
EP1691989B1 (fr) Support de donnees et procede pour le produire
DE69931823T2 (de) Zwischenträger eines Übertragungsaufzeichnungsmaterials, Verfahren zur Herstellung eines Druckes, sowie entsprechendes Druckerzeugnis
WO2004101890A1 (fr) Double marque de securite
DE19915943A1 (de) Dekorationsfolie
EP1226308A1 (fr) Element de securite et objet de valeur
DE112011102365T5 (de) Optisch variable Einrichtung
EP2522529B1 (fr) Élément de sécurité et support de données équipé de celui-ci
EP2367692B1 (fr) Document de valeur avec des zones de surface mattes et brillantes et procédé pour sa fabrication
DE102012015277B4 (de) Dekorfolienstruktur und Dekorelement
DE102008036670B3 (de) Folie, Verfahren zu deren Herstellung, sowie Verwendung
EP1436149B1 (fr) Feuille d'estampage et document de securite
EP2330251B1 (fr) Document de sécurité avec élément de sérurité visible par transmission
EP4200135A1 (fr) Corps multicouche et procédé de production d'un corps multicouche
EP3290225B1 (fr) Element de securite avec une pluralite de caracteristiques de securite
EP3774375A1 (fr) Élément de sécurité, procédé de fabrication de l'élément de sécurité, et support de données équipé de cet élément de sécurité
EP2694297B1 (fr) Support de données avec élément de sécurité et procédé pour fabriquer le support de données
EP3221753B1 (fr) Corps multicouches et procédé de fabrication de celui-ci
EP2746059B1 (fr) Élément de sécurité avec effet de basculement
EP3414100B1 (fr) Support de données
EP4151426A1 (fr) Élément de sécurité thermochrome et procédé de fabrication d'un élément de sécurité thermochrome
DE2415915C3 (de) Retroref taktierender Film
CH576359A5 (fr)

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20230309

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)