WO2021013480A1 - Procédé et adhésif thermofusible permettant de produire un document de valeur ou de sécurité constitué de plusieurs couches ainsi que document de valeur ou de sécurité - Google Patents

Procédé et adhésif thermofusible permettant de produire un document de valeur ou de sécurité constitué de plusieurs couches ainsi que document de valeur ou de sécurité Download PDF

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Publication number
WO2021013480A1
WO2021013480A1 PCT/EP2020/068341 EP2020068341W WO2021013480A1 WO 2021013480 A1 WO2021013480 A1 WO 2021013480A1 EP 2020068341 W EP2020068341 W EP 2020068341W WO 2021013480 A1 WO2021013480 A1 WO 2021013480A1
Authority
WO
WIPO (PCT)
Prior art keywords
melt adhesive
layer
filler
layers
value
Prior art date
Application number
PCT/EP2020/068341
Other languages
German (de)
English (en)
Inventor
Per KRÜGER
Olaf Riebe
Hans-Peter Seijo Bollin
Original Assignee
Bundesdruckerei Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bundesdruckerei Gmbh filed Critical Bundesdruckerei Gmbh
Priority to EP20736615.4A priority Critical patent/EP4003746A1/fr
Publication of WO2021013480A1 publication Critical patent/WO2021013480A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • B42D25/455—Associating two or more layers using heat
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/281—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyimides
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • 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
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C19/00—Multi-step processes for making books
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C9/00—Applying glue or adhesive peculiar to bookbinding
    • B42C9/0056—Applying glue or adhesive peculiar to bookbinding applying tape or covers precoated with adhesive to a stack of sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C9/00—Applying glue or adhesive peculiar to bookbinding
    • B42C9/02—Applying glue or adhesive peculiar to bookbinding for securing back linings, strips, ribbons or headbands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D13/00—Loose leaves modified for binding; Inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • B42D25/465—Associating two or more layers using chemicals or adhesives
    • B42D25/47—Associating two or more layers using chemicals or adhesives using adhesives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/10—Adhesives in the form of films or foils without carriers
    • 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
    • B32B2250/02—2 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
    • B32B2250/24—All layers being polymeric
    • 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
    • B32B2274/00—Thermoplastic elastomer material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/013—Fillers, pigments or reinforcing additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/346—Clay
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/20—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself
    • C09J2301/208—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself the adhesive layer being constituted by at least two or more adjacent or superposed adhesive layers, e.g. multilayer adhesive
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
    • C09J2301/304—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being heat-activatable, i.e. not tacky at temperatures inferior to 30°C
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/408—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer

Definitions

  • the invention relates to a method for producing a value or security document consisting of several layers, in which at least a first or second layer or in which a latently reactive adhesive material is applied and the layers become one
  • the invention further relates to a hotmelt adhesive for joining at least two layers to form a composite body and a valuable or
  • a book block and a cover as well as an adhesive layer are first provided.
  • the adhesive layer is applied to a carrier film and has an activation temperature at which the adhesive layer develops adhesive properties and a curing temperature at which the adhesive layer crosslinks and cures, the curing temperature being higher than the activation temperature.
  • the adhesive layer is heated to the activation temperature and the carrier film is removed.
  • cover and the book block are then brought together and pre-fixed to form a passport book.
  • the adhesive layer is heated onto the
  • the passport book blank is held in place in the folded state until the adhesive layer has hardened and a material and / or form-fitting connection between the cover and the attachment has been established by the adhesive layer.
  • DE 10 2016 207 548 A1 discloses a thermally curable adhesive consisting of an epoxy-functionalized polymer with a thermally activatable hardener for a cationic hardening of epoxides and at least one type of matrix polymer known as a film former with further constituents.
  • Adhesive composition known which comprises core-shell particles, wherein the shell contains amorphous silicon dioxide and the core contains one or more magnetic metal oxides. This adhesive composition is used to bond rotor blades of wind turbines.
  • the invention is based on the object of a method for the production of a multi-layer value or
  • This object is achieved by a method for producing a
  • Adhesive material is applied in flowable form or supplied as a film and at least one filler is introduced into the latently reactive adhesive material, whereby the required curing time of the
  • Hot melt adhesive is reduced.
  • This at least one filler can start or accelerate the crystallization process more quickly in a first process.
  • a second process can be faster
  • this at least one filler in the latently reactive adhesive material has the advantage that the crosslinking of the latently reactive adhesive material makes melting on more difficult or prevented.
  • the manipulation can also be demonstrated after a manipulation due to the lack of the filler in the adhesive material. This can provide a security feature for recognizing manipulations. It is preferably provided that the hot melt adhesive made of PUR
  • an amorphous silicon dioxide is added as filler. This filler points in addition to the short
  • Composite body from the at least two layers is not brittle
  • a silicate gel can be added as a filler.
  • kaolin, talc, chalk or kieselguhr can be added as filler.
  • a mass fraction of 5 to 25% of filler is added to the latently reactive adhesive material for the hot melt adhesive.
  • the hot melt adhesive has a curing temperature of greater than 70 °, in particular a
  • Embodiments in which the layers to be connected are made from a polymeric material such as polycarbonate.
  • the at least one first and / or second layer are made from a thermoplastic polymer to secure the value or security document.
  • the at least one first and second layer made of paper and / or a paper-like material such as Cardboard or paper-based cover material, which are glued together. It is preferably provided that this paper and / or the paper-like material have at least a certain amount
  • the first layer is designed as a book cover and the second layer as an attachment of a book block and on an inside of the book cover or an outside of the attachment or on both of the hot melt adhesive according to one of the previous
  • Embodiments applied and then the intent and the book cover aligned with each other, brought together and permanently glued together.
  • the fast-curing hot melt adhesive due to the at least one introduced
  • the further processing of the book-like value or security document after aligning, merging and gluing can be accelerated with filler material. For example, a work process can then take place to convert the book-like value or
  • the object on which the invention is based is also achieved by a hotmelt adhesive for bonding at least two layers to produce a value or security document, in which a latently reactive adhesive material which hardens by cooling from a curing temperature, at least one filler for acceleration the curing time has been introduced. Due to the at least one filler in the adhesive material, the idle times after the joining and bonding of at least two layers can be shortened.
  • the latently reactive adhesive material is made of PUR, PVA, PE, POR, PA or silicone.
  • An amorphous silicon dioxide can be added as a filler.
  • a silicate gel is provided.
  • kaolin, talc, chalk or kieselguhr can be added as a filler.
  • a manipulation can be detected via the introduced filler, since either the presence of the at least one filler and / or the proportion of the filler in the adhesive is not in the
  • a mass fraction of 5 to 25% of filler is advantageously incorporated in the hot melt adhesive.
  • the at least one filler is preferably mixed into the latently reactive adhesive material in a uniformly distributed manner.
  • the hot melt adhesive with the at least one filler can be designed in liquid form or as a hot melt adhesive layer, which is provided in particular on a carrier film which is detachable from the hot melt adhesive layer.
  • Adhesive material are glued with introduced filler.
  • the hotmelt adhesive layer cures, the latently reactive adhesive material is crosslinked.
  • manipulation by melting this hotmelt adhesive layer can be made more difficult or prevented in order to detach one of the two layers from the composite and replace it with a manipulated layer.
  • One layer is preferably a book cover and the other layer is an attachment of a book block. This allows an exchange of a
  • FIG. 1 shows a perspective view of a first embodiment of a value or security document
  • FIG. 2 shows a perspective view of a further embodiment
  • FIG. 3 shows a schematic side view of the embodiment according to FIG. 2.
  • Security document 11 consists of an upper layer 3 and a lower layer 5. In between there is a layer 4 of one
  • the upper and / or lower layer 3, 5 can be formed from a single layer or from several layers.
  • a composite body 6 is formed.
  • This composite body 6 can be designed as a raw product which is made available for further processing.
  • This composite body 6 can also be cut to a final format with an outer contour 9 by a cutting or punching process so that the upper and lower layers 3, 5 and the layer 4 of hot melt adhesive have a circumferential end face 7 and 8, respectively. These are preferably in a common plane.
  • Composite body 6 can consist of one or more materials made of plastic.
  • these comprise polycarbonate (PC) or consist of PC.
  • PC polycarbonate
  • Other alternatives can be:
  • PET Polyethylene terephthalate
  • PET polyethylene terephthalate
  • PVC polyvinyl chloride
  • PVB polyvinyl butyral
  • PMMA Polymethyl methacrylate
  • PI polyimide
  • PBT polybutylene terephthalate
  • PVA polyvinyl alcohol
  • PS polystyrene
  • PVP polyvinylphenol
  • PP polypropylene
  • PE polyethylene
  • TPE thermoplastic elastomers
  • TPU thermoplastic polyurethane
  • ABS Acrylonitrile-butadiene-styrene copolymer
  • the layers 3, 5 can also be made of paper and / or cardboard or of mixtures of the aforementioned materials.
  • At least one of the other two layers 3, 5 is preferred.
  • the layer 4 of hot-melt adhesive can comprise a latently reactive adhesive material, which consists of PUR, PVA, PE, POR or PA, silicone or epoxies. At least one filler can be introduced into this adhesive material. An amorphous silicon dioxide, kaolin, talc, chalk and / or kieselguhr can be added as filler.
  • a mass fraction of 5 to 25% of filler in the is preferred
  • Adhesive material introduced to form the hot melt adhesive This mass fraction can be formed by one or more filler components.
  • the hotmelt adhesive advantageously has a
  • Room temperature or a softening temperature that is below a curing temperature has an adhesive property, so that the two layers to be joined together are pre-fixed.
  • the hotmelt adhesive has been heated to a curing temperature of greater than 70 °, in particular to a temperature range between 90 and / or 130 °, the subsequent cooling can lead to crystallization and
  • Adjacent layers 3, 5 to form the composite body 6 can be achieved.
  • Process step the hotmelt adhesive layer at a
  • Softening temperature can be pre-laminated on one of the two layers. After the hotmelt adhesive layer has cooled down, the layers can be superimposed in a second process step positioned and aligned with one another. Alignment can be done, for example, by shaking in the direction of a contact edge.
  • Hot melt adhesive layer this is no longer sticky.
  • the composite is then heated to an activation temperature of over 70 ° and firmly connected to one another.
  • the hotmelt adhesive layer then hardens.
  • Card-shaped document for example, be formed in an ID-1, ID-2 or ID-3 format.
  • Such a document can be a
  • Security document 11 shown as a book-like document.
  • This book-like document 11 comprises a book cover 12 which can form a book cover.
  • the book cover 12 consists of one
  • the book cover 12 is preferably formed from a layer or a material web.
  • a paper, a paper soaked with plastic, a plastic-paper composite, a laminate of plastic films or the like can be provided.
  • the layer or layers forming the book cover 12 preferably extend completely along the
  • the book-like document 11 further comprises a book block 22.
  • This book block 22 consists of one or more data pages 19.
  • Such a data carrier 21 preferably comprises a tab 29.
  • the book block 22 includes an attachment 18.
  • the attachment 18, the at least one data page 19 and the tab 29 of the data carrier 21 are in the folding area 15 connected with each other. This can be done, for example, by forming a seam 30 with at least one thread.
  • the attachment 18, the tab 29 of the data carrier 21 and the at least one data page 19 can be connected to one another by welding and / or lamination in the fold area 15.
  • a combination of the embodiments described above may also be possible in order to form a book block 22.
  • the book block 22 is advantageously a manageable unit.
  • the data carrier 21 designed as a personalization data page is
  • the data carrier 21 can according to this embodiment of the
  • the data carrier 21 is, for example, an insert sheet
  • Fold area 15 also extends.
  • a complete personalization or data page can be provided.
  • the data carrier 21 can have at least two plastic layers 3, 5
  • the transponder module 28 is provided in between.
  • Plastic layers 3, 5, a further layer, in particular made of paper, can be introduced which comprises the personalization data 26 as well as the image 24 and the machine-readable area 25 (MRZ).
  • the outer plastic layers 3, 5 are preferably made of polycarbonate and preferably completely enclose the further layer, in particular made of paper.
  • the transponder module 28 comprises an IC chip 32 and an antenna 31 connected to it, which consists of several windings and can preferably be printed. ok
  • the book cover 12 can form the composite body 6 as at least one upper layer 3 and the attachment 18 as at least one lower layer 5 after gluing.
  • the inner or intermediate layer 4 for connecting the book cover 12 to the attachment 18 can, as in the exemplary embodiment according to FIG. 1, be designed as an adhesive film or a liquid adhesive layer to be applied.
  • the end faces of the attachment 18 and the book cover 12 are preferably located in the common plane to the end face of the inner layer 4. This in turn enables a complete test of an edge bond or a full surface bond.
  • FIG. 3 a schematic sectional view along the line III-III in FIG. 1 is shown. This sectional view makes it clear that the application segment 37 after cutting or punching on the
  • the final format of the book-like document 11 extends to the outer edge 39 of the attachment 18 of the front edge of the book cover 12.
  • the book block 22 can additionally have a reinforcing strip 33.
  • This reinforcement strip 33 can be connected to the book block 22 by the seam 30.
  • the reinforcement strip 33 preferably consists of a fabric layer, a plastic layer or a combination thereof.
  • Reinforcing strip 33 is located directly on an outside of the
  • the fold area 15 can be reinforced and there can be increased security in the event of manipulation.

Abstract

L'invention concerne un procédé et un adhésif thermofusible permettant de produire un document de valeur ou de sécurité (11) constitué de plusieurs couches (3, 5) ainsi qu'un document de valeur ou de sécurité, un adhésif thermofusible (4) constitué d'un matériau adhésif à réactivité latente étant appliqué sous forme liquide ou alimenté sous forme de film sur au moins une première ou une seconde couche (3, 5) ou sur les deux couches (3, 5), et lesdites couches (3, 5) entre lesquelles est disposée la couche d'adhésif thermofusible (4) étant assemblées pour former un corps composite (6), le matériau adhésif à réactivité latente étant chauffé et, par le refroidissement subséquent, les couches (3, 5) étant collées l'une à l'autre, une durée de durcissement de l'adhésif thermofusible étant accélérée par au moins une charge introduite dans le matériau adhésif à réactivité latente.
PCT/EP2020/068341 2019-07-24 2020-06-30 Procédé et adhésif thermofusible permettant de produire un document de valeur ou de sécurité constitué de plusieurs couches ainsi que document de valeur ou de sécurité WO2021013480A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20736615.4A EP4003746A1 (fr) 2019-07-24 2020-06-30 Procédé et adhésif thermofusible permettant de produire un document de valeur ou de sécurité constitué de plusieurs couches ainsi que document de valeur ou de sécurité

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019120049.0A DE102019120049A1 (de) 2019-07-24 2019-07-24 Verfahren und Schmelzklebstoff zur Herstellung eines aus mehreren Schichten bestehenden Wert- oder Sicherheitsdokumentes sowie Wert- oder Sicherheitsdokument
DE102019120049.0 2019-07-24

Publications (1)

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WO2021013480A1 true WO2021013480A1 (fr) 2021-01-28

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PCT/EP2020/068341 WO2021013480A1 (fr) 2019-07-24 2020-06-30 Procédé et adhésif thermofusible permettant de produire un document de valeur ou de sécurité constitué de plusieurs couches ainsi que document de valeur ou de sécurité

Country Status (3)

Country Link
EP (1) EP4003746A1 (fr)
DE (1) DE102019120049A1 (fr)
WO (1) WO2021013480A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009028942A1 (de) 2009-08-27 2011-03-03 Evonik Degussa Gmbh Induktiv aushärtbare Klebstoffzusammensetzung
WO2014059055A1 (fr) * 2012-10-09 2014-04-17 Avery Dennison Corporation Adhésifs et procédés associés
DE102016207548A1 (de) 2016-05-02 2017-11-02 Tesa Se Härtbare Klebemasse und darauf basierende Reaktivklebebänder
DE102016218046A1 (de) 2016-09-20 2018-03-22 Bundesdruckerei Gmbh Verfahren, Vorrichtung und System zur Herstellung eines buchartigen Ausweis-, Wert- oder Sicherheitsdokument und buchartiges Ausweis-, Wert- oder Sicherheitsdokument
EP3375623A1 (fr) * 2017-03-17 2018-09-19 Bundesdruckerei GmbH Procédé de fabrication d'un demi-produit et demi-produit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016117674A1 (de) * 2016-09-20 2018-03-22 Bundesdruckerei Gmbh Verfahren zur Herstellung eines Sicherheits- oder Wertprodukts mit einem diffraktiven Sicherheitselement

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009028942A1 (de) 2009-08-27 2011-03-03 Evonik Degussa Gmbh Induktiv aushärtbare Klebstoffzusammensetzung
WO2014059055A1 (fr) * 2012-10-09 2014-04-17 Avery Dennison Corporation Adhésifs et procédés associés
DE102016207548A1 (de) 2016-05-02 2017-11-02 Tesa Se Härtbare Klebemasse und darauf basierende Reaktivklebebänder
DE102016218046A1 (de) 2016-09-20 2018-03-22 Bundesdruckerei Gmbh Verfahren, Vorrichtung und System zur Herstellung eines buchartigen Ausweis-, Wert- oder Sicherheitsdokument und buchartiges Ausweis-, Wert- oder Sicherheitsdokument
EP3375623A1 (fr) * 2017-03-17 2018-09-19 Bundesdruckerei GmbH Procédé de fabrication d'un demi-produit et demi-produit

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DE102019120049A1 (de) 2021-01-28

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