EP2244883A2 - Method for the production of a security and/or value document comprising protected personalized data - Google Patents
Method for the production of a security and/or value document comprising protected personalized dataInfo
- Publication number
- EP2244883A2 EP2244883A2 EP09715127A EP09715127A EP2244883A2 EP 2244883 A2 EP2244883 A2 EP 2244883A2 EP 09715127 A EP09715127 A EP 09715127A EP 09715127 A EP09715127 A EP 09715127A EP 2244883 A2 EP2244883 A2 EP 2244883A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- polymer
- layer
- base composite
- colorant
- diffusible
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 229920000642 polymer Polymers 0.000 claims abstract description 260
- 238000007639 printing Methods 0.000 claims abstract description 84
- 239000000758 substrate Substances 0.000 claims abstract description 76
- 238000009792 diffusion process Methods 0.000 claims abstract description 55
- 230000008569 process Effects 0.000 claims abstract description 21
- 238000003475 lamination Methods 0.000 claims abstract description 19
- 238000000859 sublimation Methods 0.000 claims abstract description 7
- 230000008022 sublimation Effects 0.000 claims abstract description 7
- 239000003086 colorant Substances 0.000 claims description 95
- 239000002131 composite material Substances 0.000 claims description 89
- 239000000463 material Substances 0.000 claims description 29
- 239000004417 polycarbonate Substances 0.000 claims description 17
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 7
- 229920001577 copolymer Polymers 0.000 claims description 6
- 229920000515 polycarbonate Polymers 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 5
- 238000007651 thermal printing Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 11
- 239000011248 coating agent Substances 0.000 abstract 5
- 238000000576 coating method Methods 0.000 abstract 5
- 239000010410 layer Substances 0.000 description 237
- 239000010949 copper Substances 0.000 description 8
- 239000000049 pigment Substances 0.000 description 8
- 229920005601 base polymer Polymers 0.000 description 6
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 6
- 239000004926 polymethyl methacrylate Substances 0.000 description 6
- 239000004800 polyvinyl chloride Substances 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 6
- 239000002344 surface layer Substances 0.000 description 6
- 230000009477 glass transition Effects 0.000 description 5
- -1 polyethylene terephthalate Polymers 0.000 description 5
- 238000009823 thermal lamination Methods 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 4
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 4
- 239000002861 polymer material Substances 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 3
- 229920000402 bisphenol A polycarbonate polymer Polymers 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 3
- 239000000975 dye Substances 0.000 description 3
- 229920001721 polyimide Polymers 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 229920002725 thermoplastic elastomer Polymers 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 125000005842 heteroatom Chemical group 0.000 description 2
- 125000000623 heterocyclic group Chemical group 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- 238000010147 laser engraving Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 238000005698 Diels-Alder reaction Methods 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229920000106 Liquid crystal polymer Polymers 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- RAOSIAYCXKBGFE-UHFFFAOYSA-K [Cu+3].[O-]P([O-])([O-])=O Chemical class [Cu+3].[O-]P([O-])([O-])=O RAOSIAYCXKBGFE-UHFFFAOYSA-K 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 208000030175 lameness Diseases 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005649 metathesis reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- TWHXWYVOWJCXSI-UHFFFAOYSA-N phosphoric acid;hydrate Chemical compound O.OP(O)(O)=O TWHXWYVOWJCXSI-UHFFFAOYSA-N 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920012287 polyphenylene sulfone Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
- B42D25/378—Special inks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- 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
- B42D25/46—Associating two or more layers using pressure
Definitions
- the invention relates to a method for producing a security and / or value document comprising a polymer layer composite or consisting thereof, wherein the polymer layer composite is formed from a polymer layer base composite and a polymer cover layer and wherein the polymer layer base composite has a printed substrate layer which is receptive to diffusible colorant, with the following Process steps: A) on the printing substrate layer of
- Polymer layer base composite a first print image is produced by printing at least one diffusible colorant diffusing at a given diffusion temperature, B) the polymer topcoat is applied to the first print image, and C) the polymer layer base composite stack and polymer topcoat stack is laminated to a lamination temperature while heating the stack.
- the invention further relates to a security and / or value document that can be produced by means of such a method.
- Personalization of a security and / or value document is a process in which personalized information, ie for a specific person who is designated as the bearer of the security and / or value document, contains individual information, for example image information such as a passport photograph, fingerprint etc., strings, such as name, address, place of residence, etc., are affixed on or in the security and / or value document in question. This can be done for example in the form of imprints.
- a method of the type mentioned is known for example from the document WO 00/73088 Al.
- a printing substrate layer of a screen printing lacquer based on PVC with organic solvent is first applied to a polymer base layer based on PC.
- This serves to chemically modify the surface of the PC polymer layer in such a way that a diffusible colorant used in conventional thermal sublimation printing processes can at least partially penetrate into the printing substrate layer of the polymer base layer.
- the polymer base layer is printed by means of a thermal (sublimation) printing process, as it were a cohesive connection between the printed image and the polymer base layer is generated.
- At least on the area of the polymer base layer with the print image is then applied a protective layer.
- personalized information such as a printed image, such as a passport photograph, at least partially with a protective film with to cover a security element, for example a diffractive security element.
- the security element of the protective film is typically not personalized and represents, for example, a coat of arms or the like. This serves to protect the printed image against unauthorized access, in particular against manipulation.
- this structure entails the risk that a person unauthorizedly removes the security element or the protective film and transfers it to a counterfeit polymer layer base composite, for example with a different print image, and thus creates an impression counterfeit.
- a further disadvantage of the manufacturing method known in this respect is that during the lifetime of the security and / or value document the colorant used can continue to diffuse, both in the planes of the layers and in directions orthogonal to the main surfaces of the security and / or value document, whereby the quality of the printed image decreases over time.
- the invention teaches a method for producing a security and / or value document comprising a polymer layer composite or consisting thereof, wherein the polymer layer composite is formed from a polymer layer base composite and a polymer cover layer and at least the polymer cover layer, preferably also the polymer layer base composite, in each case a printing substrate layer have (or consist of), which is receptive to diffusible colorant, with the following process steps: A) on the printing substrate layer of the polymer layer base composite or on the polymer layer base composite or on the
- Printing substrate layer of the polymer topcoat is a first printed image produced by printing at least one diffusing colorant diffusing at a predetermined diffusion temperature, optionally for a predetermined period, for example 0.5 to 60 s, a heating of the printed substrate substrate layer of the Polymer fürbasisverbundes to a temperature above the diffusion temperature, B) the polymer topcoat is placed with its printing substrate layer on the first printed image or the printed substrate layer of the Polymer fürbasisverbundes or on the Polymer harshbasisverbund, C) the stack of polymer layer base composite and polymer topcoat is heated with the stack to a predetermined
- the invention in other words, consists in that a first printed image produced by means of a printing process contains at least one diffusible colorant in both
- Polymer layer base composite facing) or surface layer of the substrate polymer layer is diffused.
- the polymer topcoat in the case of removal of the polymer layer base composite is not removable without parts of the first printed image and so unusable for another use, in particular for the purposes of producing a counterfeiting, because then remaining in the polymer topcoat parts of the Print image cover the new (different) print image and make recognizable as a forgery.
- the usual colorants can be used, provided that they have a diffusibility in the printing substrate layer in the sense of the following definitions.
- any printing process can be used in stage A).
- a thermal printing process does not necessarily have to be used.
- the term printing or the printing process also includes, for example, re-transfer processes.
- a transfer film is printed with an image (in the true sense) and then applied to the document.
- the print image is heated at least once to a temperature above the diffusion temperature, with the result that the diffusible colorant is mixed into the
- Substrate substrate layer of the polymer topcoat diffused.
- the printing process of stage A) is a thermal printing process, in particular the thermal sublimation, is used.
- the diffusible colorant diffuses into the polymer layer base composite.
- a printing substrate layer is receptive to a diffusible colorant when, after the diffusion of the colorant and simultaneous or subsequent heating to the diffusion temperature, diffusion of the color into the ink
- a printing substrate layer takes place. This is phenomenologically recognizable by the fact that after heating, a complete removal of a printed image is possible only by abrasive removal or partial removal of the printing substrate layer. In the case of only superficial mechanical processing or processing with a solvent which does not dissolve the printing substrate layer, an at least pale print image always remains.
- a printing substrate layer is to be referred to as receptive, in particular, when an after printing by means of a conventional
- Thermosublimationsdruckvons obtained print image is no longer completely removable by non-abrasive method.
- the terms of the receptivity of the material or the printing substrate layer, the diffusion temperature and the diffusible colorant are definable as follows.
- a colorant is diffusible in a material when from one to one
- Colorant is diffused than the above-mentioned lower limits.
- Examples of materials for suitable printing substrate layers are polymer layers based on "ABS (acrylonitrile-butadiene-styrene), PETG (polyethylene terephthalate), PC (polycarbonate, especially bisphenol A polycarbonate), PET (polyethylene glycol terephthalate), PMMA (polymethyl methacrylate), TPE (Thermoplastic
- PE polyethylene
- PP polypropylene
- PI polyimide or poly-trans-isoprene
- PVC polyvinyl chloride
- PC polycarbonate, especially bisphenol A polycarbonate
- PMMA polymethyl methacrylate
- PI polyimide or poly-trans-isoprene
- Suitable diffusible colorants are, for example, the customary colorants which are used in thermal printing processes, directly or indirectly, in question, it being true that dyes contained at the diffusion temperature but also at temperatures above that should be color-stable, ie do not decompose.
- the diffusion temperature can be below 120 0 C.
- the diffusion temperature of the diffusible colorant is in the range of 80 0 C to 250 0C.
- Particularly preferred is a diffusion temperature of the diffusible colorant in the range of 200 0 C to 250 0 C.
- diffusible colorants its called colorants of ribbons, such as CP-P34 OA-DN or CY-P35KA-DN of the company Dai Nippon and K500 or K550 of the company Kurz.
- a polymer layer base composite is also referred to as a card or document blank. As a rule, it is formed from a plurality of polymer layers, wherein at least one of the polymer layers, usually a plurality of polymer layers, can or can carry a conventional printing layer, for example a guilloche. One of the polymer layers may also carry an electronic circuit (integrated circuit, IC), a display module or other electronic circuit, or contain this component embedded.
- the polymer layers of the polymer layer base composite are joined together, for example by gluing, or else by thermal lamination.
- the term polymer layer base composite also includes monolithically produced card blanks, for example by way of injection molding or transfer molding, reactive or non-reactive.
- stage C can be carried out at temperatures between 80 to 270 ° C., preferably 120 to 200 ° C., and pressures (specific pressure directly on the workpiece) of 1 to 10 bar, in particular 3 to 7 bar. In question, for example, in particular the role lameness.
- the polymer cover layer and / or the polymer layer base composite contains (or is formed from) a polymer layer of a polycarbonate material which carries the printing substrate layer, directly or with intermediate layers.
- the printing substrate layer may also be formed as a surface layer of a polymer layer which is chemically modified such that the surface layer is receptive to a diffusible colorant. This can also be done, for example, by applying a solvent or a solvent mixture, if appropriate with one or more dissolved polymers which is different from the polymer of the poly layer.
- the method according to the invention can be further developed in various variants.
- the printed image contains a first diffusible colorant having a first diffusion temperature, in particular below 160 0 C, preferably between 80 0 C and 140 ° C, and a second diffusible colorant having a second different from the first diffusion temperature
- Diffusion temperature in particular at least 100 0 C, preferably between 100 0 C and 120 ° C, wherein the first and the second diffusible colorant have different color absorption and / or reflection
- the step A) is optionally carried out at a temperature which is above both diffusion temperatures
- diffusible colorants of different colors for example but not necessarily the primary colors cyan, magenta and yellow, are used, the different colors being different
- Diffusion temperatures diffuse. If, in stage D), the temperature is heated to between the two diffusion temperatures, only the diffusive colorant that diffuses is absorbed into the printing substrate layer of the polymer topcoat. It is understood that the lamination temperature should also be between the two diffusion temperatures or below both diffusion temperatures.
- step C) takes place at a lamination temperature which is below the diffusion temperature of the diffusible colorant.
- Sublimation of the diffusible coloring agent and absorption in the printing substrate layer of the polymer covering layer then take place only in the subregions.
- the result is a fragmentation of the print image, at least with respect to the color of the diffusible colorant in the event of unauthorized detachment of the polymer topcoat from the security and / or value document.
- the printing substrate layer of the polymer cover layer or the polymer cover layer has gaps in total, ie, no material of the printing substrate layer is present in partial areas of the surface of the printing substrate layer. This results in a polymer topcoat, wherein the diffusive colorant is taken in partial areas of the surface when heated above the diffusion temperature, in other areas, the gaps, but not. Again, in the case of unauthorized detachment of the polymer cover layer, fragmentation of the printed image takes place. In addition, material of the polymer cover layer runs into the gaps during lamination, as a result of which sinks are formed on the outer surface of the polymer cover layer which can also be detected haptically and form an additional security feature.
- a print image is created, which partly consists of sharper subregions, for example pixels, and less sharp subregions, for example pixels. This is because pixels having diffusible colorant diffusing in the step D) are washed out due to diffusion into the printing substrate layer (s). Such a mixture of sharp and less sharp pixels produces a characteristic expectation of personalization of the security and / or value document.
- the printing substrate layer of the polymer layer base composite and of the polymer covering layer are identical or different and have a layer based on a polymer selected from the group consisting of "PVC,
- ABS, PETG, and copolymers and mixtures of such polymers "are formed, and optionally directly on a polymeric barrier layer, which is not receptive to the diffusive colorant, for example based on PET or PC.
- a polymeric barrier layer which is not receptive to the diffusive colorant, for example based on PET or PC.
- polymer materials can, the same or different, on Base of a polymer material from the group consisting of "PC (polycarbonate, especially bisphenol A polycarbonate), PET (polyethylene glycol terephthalate), PMMA (polymethyl methacrylate), TPE (thermoplastic elastomers), PE (polyethylene), PP (polypropylene), PI
- PC polycarbonate, especially bisphenol A polycarbonate
- PET polyethylene glycol terephthalate
- PMMA polymethyl methacrylate
- TPE thermoplastic elastomers
- PE polyethylene
- PP polypropylene
- PI polypropylene
- polyimide or poly-trans-isoprene Polyimide or poly-trans-isoprene
- PVC polyvinyl chloride
- copolymers of such polymers are preferred the polymer coating layer preferably so-called low-T g -Materials low-T can be used.
- g -Materials are polymers whose glass transition temperature is below 140 0 C. it is preferred in this case if the polymer layer partial composite and the polymer top layer are formed from the same or different polymers , Wherein at least the base polymer of the polymer topcoat, preferably also the base polymer of the polymer layer component composite, same or different mutually reactive groups, wherein in a
- the lamination temperature can be lowered without jeopardizing the intimate bond of the laminated layers. This is because (with reactive groups both in the polymer layer base composite and in the polymer cover layer), the different polymer layers can no longer be readily delaminated due to the reaction of the respective reactive groups. Because there is a reactive coupling between the layers, as it were a reactive lamination. Second allows lamination below a diffusion temperature due to the lower lamination temperature.
- the glass transition temperature T g of the polymer topcoat before thermal lamination is less than 120 0 C (or less than 110 0 C or as 100 0 C), the glass transition temperature of this polymer layer after the thermal lamination by reaction of reactive groups of the base polymer of the polymer layer with each other by at least 5 0 C, preferably at least 20 0 C, higher than the glass transition temperature before the thermal lamination.
- the glass transition temperature of this polymer layer after the thermal lamination by reaction of reactive groups of the base polymer of the polymer layer with each other by at least 5 0 C, preferably at least 20 0 C, higher than the glass transition temperature before the thermal lamination.
- there is not (only) a reactive coupling of the layers to be laminated with one another but an increase in the molecular weight and thus in the glass transition temperature takes place through crosslinking of the polymer within the layer and between the layers. This complicates delamination in addition.
- the lamination temperature in step C) is preferably less than 180 ° C., more preferably less than 150 ° C.
- reactive groups are possible. These include the reaction partners of the Diels-Alder reaction or a metathesis.
- the reactive groups may be attached directly to the base polymer or linked to the base polymer via a spacer group. Suitable spacer groups are all spacer groups known to the person skilled in the art of polymer chemistry.
- the spacer groups may also be oligomers or polymers which impart elasticity, whereby a risk of breakage of the security and / or value document is reduced. Such elasticity-promoting
- Spacer groups are well known to those skilled in the art and therefore need not be further described here.
- further reactive groups or possibilities of modification is on the reference "Ullmann's Encyclopedia of Industrial Chemistry", Wiley Verlag, electronic edition 2007, referenced. The term
- the polymer topcoat a diffractive security element, such as Embossed structure, Recgehomogramm, volume hologram, Kinegram or the like, contains, part of the area or full surface.
- the diffractive security element can be integrated into the polymer cover layer, ie the diffractive security element is covered to the outside of the security and / or value document with a surface layer.
- the polymer layer base composite facing side of the diffractive element itself forms a printing substrate layer or consists of suitable material.
- a diffractive security element may be arranged between the polymer layer base composite and the polymer cover layer, wherein the diffractive security element for the diffusible colorant can be receptive or non-receptive, the diffractive security element having a printed substrate layer over part or all of its area which is receptive to the diffusible colorant is and the first printed image faces, may have and otherwise is not receptive to the diffusive colorant and / or wherein the diffractive security element may cover the first printed image in whole or in part.
- a full or partial area overlapping with a first and / or second print image (in view orthogonal to a main surface of the security and / or value document) diffractive element may also be located on the polymer topcoat so that it later inside between polymer topcoat and polymer layer base composite, ie on the Bottom of the polymer topcoat.
- it can completely or partially (based on the overlap between diffractive element and printing layer) prevent the diffusion of dyes from the printing substrate layer of the polymer layer base composite in the printing substrate layer of the polymer topcoat and thus act as a barrier layer for a diffusible colorant.
- a second printed image in particular with at least one (of the above-described different or the same) diffusible colorant, printed on the printed substrate layer of the polymer topcoat and the printed polymer topcoat optionally at least partially heated to a temperature above the diffusion temperature of this diffusive Colorant lies.
- the second print image may represent non-personalized information, such as a crest, but also individualized information, such as a document number. This avoids the transport and handling of unmarked polymer topcoats and thus increases the safety in the production process of the security and / or Wertdokume ⁇ tes.
- the polymer topcoat can cover the total area or only a partial area of the polymer layer base composite. Especially in the latter case, the
- the first print image can represent personalized information and / or the second print image can represent non-personalized information or individualized information.
- Individualized information differs from personalized information in that it is not associated with a single person but with a single security and / or value document.
- a layer of the polymer top layer and / or of the polymer layer base composite may contain a laser-sensitive component or the polymer top layer and / or the polymer layer base composite may altogether contain such a component. It is preferred if (only) the polymer layer base composite contains a laser-sensitive component. A manipulation attempt is made more difficult because the personalized information produced by laser engraving remains deeply embedded in the polymer layer base composite, even if the polymer topcoat is removed. But it is also possible that (only) the polymer topcoat contains the laser-sensitive component, then the remains laser engraved personalized information even after (unauthorized) removal of the polymer topcoat contained in this and makes it unusable for any other use (in addition).
- the laser-sensitive component may in principle be a polymer which per se pyrolyzes itself by laser irradiation and thus makes it black.
- the polymer layer in question may also consist of such a polymer. Suitable polymers are explained below in connection with laser-sensitive pigments.
- the laser-sensitive component may also be a laser-sensitive pigment which is mixed with the polymer material of the relevant polymer layer and distributed therein. As laser-sensitive pigments are all in the technological field of
- Security and / or value products known pigments used may for example be formed from organic polymers which have a high absorption of the laser radiation, for example PET, ABS, polystyrene, PPO, polyphenylene sulfide, polyphenylene sulfone, polyimidesulfone. But it can also be, for example, LCPs. Particularly suitable are micro-ground thermoplastics with a very high melting range of more than 300 ° C.
- the particle size is typically in the range of 0.01 to 100 ⁇ m, in particular 0.1 to 50 ⁇ m, preferably 1 to 20 ⁇ m.
- the polymer particles may further contain light-sensitive fillers or pigments, for example in an amount of from 0.1 to 90% by weight, based on the laser-sensitive pigment.
- These may also be electrically conductive pigments and / or effect pigments and / or dyes, as described above. It may also be oxides, hydroxides, sulfides, sulfates or phosphates of metals, such as Cu, Bi, Sn, Zn, Ag, Sb, Mn, Fe, Ni, or Cr. In particular basic
- Cu (II) hydroxide phosphate can be used. Specifically, a product of the heating of blue Cu (II) orthophosphate (Cu 3 (PO 4 ) 2 * 3H 2 O) to 100 to 200 0 C is formed and a molecular formula Cu 3 (PO 4 ) 2 * Cu (OH) 2 has.
- Other suitable copper phosphates are: Cu 3 (PO 4 ) 2 * 3Cu (OH) 2 , Cu 3 (PO 4 ) 2 * 2Cu (OH) 2 * 2H 2 O, 4CuO * P 2 O 5 , 4CuO * P 2 O 5 * 3H 2 O, 4CuO * P 2 O 5 * 1, 5H 2 O and 4CuO * P 2 O 5 * l, 2H 2 O.
- Suitable laser radiation for laser engraving has a wavelength in the range 150 nm to 10600 nm, in particular 150 nm to 1100 nm.
- C0 2 lasers (10600 nm), Nd: YAG lasers (1064 nm and 532 nm, respectively), and pulsed UV lasers (excimer lasers) can be used, for example.
- the energy density is generally in the range of 0.3 mJ / cm 2 to 50 J / cm 2 , in particular in the range 0.3 mJ / cm 2 to 10 J / cm 2 .
- the invention also relates to a security and / or value document, which with an inventive
- Such a security and / or value document typically contains or consists of a polymer layer base composite and a polymer cover layer, wherein a first printed image and possibly a second printed image containing at least one diffusible colorant are arranged between the polymer layer partial composite and the polymer cover layer, optionally a first colorant Subset of the diffusible colorant in the polymer layer base composite and a second subset of the diffusive colorant is necessarily diffused into the polymer topcoat or exclusively in the polymer topcoat.
- One Safety and / or value document according to the invention can easily be identified by the fact that, on detachment of the polymer cover layer, a part of the first printed image remains recognizable in the polymer cover layer. The remaining first printed image on the polymer layer base composite can have a color cast.
- the polymer layer base composite has a thickness in the range of 200 to 2000 .mu.m, in particular 400 to 1500 .mu.m, and / or the polymer topcoat has a thickness in the range of 5 to 300 .mu.m, preferably 10 to 120 .mu.m, most preferably 20 to 120 .mu.m ,
- a security and / or value document according to the invention may additionally comprise a layer or several layers based on paper, Teslin and other composite materials, in particular in the case of
- Polymer layer based network This may be integrated in the polymer layer base composite or connected in a stack therewith.
- Security and / or value documents may be mentioned by way of example only: identity cards, passports, ID cards, access control cards, visas, tickets, driving licenses, motor vehicle papers, personalized securities, bank cards, credit cards, and personalized chip cards.
- Such security and / or value documents typically have at least one substrate, at least one printing layer and optionally a transparent cover layer.
- Substrate and cover layer can in turn consist of a plurality of layers.
- a substrate is a support structure to which the print layer is applied with information, images, patterns, and the like. Suitable materials for a substrate are all customary materials based on paper and / or (organic) polymers in question.
- such a security and / or value document comprises a polymer layer composite of polymer layer base composite and polymer cover layer according to the invention.
- at least one (additional) print layer can also be set up, which can be applied to an outer surface of the polymer layer composite or to a further layer connected to the polymer layer base composite.
- Fig. 4 a fourth variant of an inventive
- FIG. 1 shows a security and / or valuable document 1, for example an identity card, with a polymer layer base composite 2 and a polymer cover layer 3.
- the polymer layer base composite 2 can in turn be constructed from a plurality of different layers, which are not shown for the sake of clarity. Useful part layers in the context of the polymer layer base composite 2 are customary in the art and are irrelevant in detail for the invention.
- the polymer cover layer 3 may be formed on several partial layers, which is also not shown.
- the polymer cover layer 3 may in particular contain a diffractive security element 7.
- FIG. 1 furthermore shows that, in this embodiment, both the polymer layer base composite 2 and the polymer top layer 3 each have a printing substrate layer 4, 5 which is receptive to a diffusible colorant 6.
- a single pixel of the diffusible colorant 6 of a single color is shown. It can be seen that the diffusible colorant 6 penetrates both into the printing substrate layer 4 of the
- the Printing substrate layers 4, 5 formed either by chemical modification of the per se for the diffusive colorant 6 non-receptive materials of the polymer layer base composite 2 and the polymer topcoat 3, or as separate layers previously applied.
- Polymer Lacts 2 and / or the printing substrate layer 5 of the polymer topcoat 3, a first printed image or pixel 6 by printing the diffusion at a given diffusion temperature diffusive colorant 6 by means of a printing process, for example
- Thermosublimation printing process is generated.
- Polymertikbasisverbundes 2 are effected by heating to a temperature which is above the diffusion temperature of the diffusive colorant. 6 lies. Then, the polymer cover layer 3 is placed with its printing substrate layer 5 on the first printed image. Subsequently, the stack of polymer layer base composite 2 and polymer cover layer 3 is heated to the stack to a predetermined
- the stack is heated at least in partial areas, based on a main surface of the stack, for a given duration to a temperature which is above the diffusion temperature of the diffusible colorant 6, wherein, as shown in Figure 1, at least one Subset of the diffusive colorant 6 of the first printed image diffused into the printing substrate layer 5 of the polymer top layer 3 into.
- the polymer top layer 3 and the illustrated layer of the polymer layer base composite 2 are formed from a polycarbonate material (PC), preferably from a low-T g material.
- PC polycarbonate material
- FIG. 2 shows a variant of a security and / or value document 1 according to the invention, which differs from the variant of FIG. 1 only in that the polymer layer base composite 2 used does not have any
- Printing substrate layer 4 has. The result is that the diffusible colorant ⁇ is not included in the polymer layer base composite 2, but exclusively in the polymer cover layer 3. If the
- Polymer cover layer 3 unauthorized away, so the first printed image or the pixel is almost completely removed and remains cohesively with the Polymer top layer 3 connected.
- the production takes place completely in accordance with the production of a security and / or value document 1 of FIG. 1, whereby, of course, the optional heating prior to the application of the polymer topcoat 3 is less expedient.
- FIG. 3 shows a further variant of the article of FIG.
- the difference is essentially that the illustrated pixel is formed with two different diffusible colorants 6a, ⁇ b.
- the two diffusible colorants ⁇ a, 6b have different colors and also different diffusion temperatures.
- the areal extent of pixels of the two diffusible colorants 6a, 6b is generally the same; only for the sake of better illustration are the areal extents of the two diffusible colorants 6a, 6b drawn differently.
- the first diffusible colorant 6a is taken up exclusively in the printing substrate layer 4 of the polymer layer base composite 2, while the second diffusible colorant 6b is accommodated both in the printing substrate layer 4 of the polymer layer base composite 2 and in the printing substrate layer 5 of the polymer cover layer 3.
- the polymer top layer 3 is removed without authorization, both in the polymer layer base composite 2 and in the polymer top layer 3 remain representations of the first printed image, but each with substantially complementary color casts, which are evident.
- Both the polymer layer base composite 2 and the polymer cover layer 3 are for a further use unusable.
- the preparation is analogous to the example of Figure 1, but is heated during lamination and / or thereafter to a temperature which is between the two diffusion temperatures. Therefore, the diffusible colorant 6a remains at the higher level
- Diffusion temperature nearly stationary, i. is not absorbed, or only to a very limited extent, in the printing substrate layer 5 of the polymer covering layer 3, while the diffusing colorant ⁇ b having the low diffusion temperature diffuses into both printing substrate layers 4, 5.
- FIG. 4 shows a variant of the invention in which the printing substrate layer 5 of the polymer cover layer 3 has gaps. These gaps are filled up by the material of the polymer cover layer 3 which is not receptive to the diffusible colorant 6. Consequently, the diffusible colorant 6 is diffused in some areas in the polymer top layer 3 and not in other areas.
- the printed image composed of the various pixels is fragmented upon detachment of the polymer top layer 3, with one partial image remaining firmly bonded to the polymer top layer 3.
- 5 depressions 8 are arranged above the gaps in the printing substrate layer.
- FIG. 2 The essential difference is that before the application of the polymer cover layer 3, its printing substrate layer 5 has gaps or holes has been equipped. In the course of lamination, the material of the polymer cover layer 3 runs into these gaps or holes and fills them. This also creates the sinks 8.
- FIG. 5 shows a variant in which a diffractive security element 7 is not integrated into the polymer covering layer 3 but is arranged as a discrete, separate element between the polymer layer base composite 2 and the polymer covering layer 3.
- this diffractive security element 7 in turn a
- the diffractive security element 7 may comprise a receptive and a non-receptive layer. A receptive layer or such an area will always be facing the printed image.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Credit Cards Or The Like (AREA)
- Printing Methods (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008012437A DE102008012437A1 (en) | 2008-02-29 | 2008-02-29 | Method for producing a security and / or value document with protected personalized information |
PCT/DE2009/000177 WO2009106036A2 (en) | 2008-02-29 | 2009-02-11 | Method for the production of a security and/or value document comprising protected personalized data |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2244883A2 true EP2244883A2 (en) | 2010-11-03 |
EP2244883B1 EP2244883B1 (en) | 2015-12-16 |
Family
ID=40902097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09715127.8A Active EP2244883B1 (en) | 2008-02-29 | 2009-02-11 | Method for the production of a security and/or value document comprising protected personalized data |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2244883B1 (en) |
DE (1) | DE102008012437A1 (en) |
WO (1) | WO2009106036A2 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2997343B1 (en) | 2012-10-31 | 2015-04-24 | Arjowiggins Security | SECURE CARD CUSTOMIZABLE BY PRINTING THERMAL TRANSFER. |
US10245866B2 (en) | 2012-11-12 | 2019-04-02 | Agfa-Gevaert | Colour imaging of security document precursors |
EP2730425B1 (en) | 2012-11-12 | 2016-02-03 | Agfa-Gevaert | Colour imaging of security document precursors |
DE102015008717A1 (en) * | 2015-07-06 | 2017-01-12 | Giesecke & Devrient Gmbh | Method for producing a security feature on a portable data carrier |
DE102017004039B4 (en) | 2017-04-26 | 2019-06-06 | Mühlbauer Gmbh & Co. Kg | Security deposit for a document of identification and method for producing a security deposit for a document of identification |
DE102017004055B4 (en) * | 2017-04-26 | 2019-05-16 | Mühlbauer Gmbh & Co. Kg | Security deposit with a UV order for a document of identification and method for making a security deposit with a UV order for a document of identification |
DE102019113431A1 (en) | 2018-06-28 | 2020-01-02 | Bundesdruckerei Gmbh | Method and device for identifying a data page, in particular for a value and / or security document |
RU2687409C1 (en) * | 2018-10-25 | 2019-05-13 | Акционерное общество "ГОЗНАК" | Protective element |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4101701A (en) * | 1973-05-17 | 1978-07-18 | Polaroid Corporation | I.D. cards |
EP0444087B1 (en) * | 1988-11-18 | 1997-10-01 | De La Rue plc | Imaging plastics articles |
US5380695A (en) * | 1994-04-22 | 1995-01-10 | Polaroid Corporation | Image-receiving element for thermal dye transfer method |
PT1187727E (en) | 1999-05-27 | 2003-09-30 | Trub Ag | PRINTING SUPPORT WITH INFORMATION WITH COLOR IMAGES AND PROCESS FOR THE MANUFACTURE OF A PRINTING SUPPORT |
DE10321375A1 (en) * | 2003-05-13 | 2004-12-09 | Giesecke & Devrient Gmbh | Method for applying personalization information to a card-shaped data carrier |
WO2004104779A2 (en) * | 2003-05-16 | 2004-12-02 | Digimarc Corporation | Identification document usable with d2t2 printing |
WO2005098746A2 (en) * | 2004-03-26 | 2005-10-20 | Digimarc Corporation | Identification document having intrusion resistance |
-
2008
- 2008-02-29 DE DE102008012437A patent/DE102008012437A1/en not_active Withdrawn
-
2009
- 2009-02-11 EP EP09715127.8A patent/EP2244883B1/en active Active
- 2009-02-11 WO PCT/DE2009/000177 patent/WO2009106036A2/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2009106036A2 * |
Also Published As
Publication number | Publication date |
---|---|
WO2009106036A3 (en) | 2009-11-05 |
WO2009106036A2 (en) | 2009-09-03 |
DE102008012437A1 (en) | 2009-09-03 |
EP2244883B1 (en) | 2015-12-16 |
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