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EP2252470A1 - Couche d'impression comprenant des pixels principaux et des pixels satellites sur un composite polymère stratifié pour un document de sécurité et/ou de valeur - Google Patents

Couche d'impression comprenant des pixels principaux et des pixels satellites sur un composite polymère stratifié pour un document de sécurité et/ou de valeur

Info

Publication number
EP2252470A1
EP2252470A1 EP08872939A EP08872939A EP2252470A1 EP 2252470 A1 EP2252470 A1 EP 2252470A1 EP 08872939 A EP08872939 A EP 08872939A EP 08872939 A EP08872939 A EP 08872939A EP 2252470 A1 EP2252470 A1 EP 2252470A1
Authority
EP
European Patent Office
Prior art keywords
security
pixels
polymer layer
satellite
layer composite
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
Application number
EP08872939A
Other languages
German (de)
English (en)
Other versions
EP2252470B1 (fr
Inventor
Oliver Muth
Manfred Paeschke
Arthur Mathea
Edward Springmann
Jörg Fischer
Malte Pflughoefft
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.)
Bundesdruckerei GmbH
Covestro Deutschland AG
Original Assignee
Bundesdruckerei GmbH
Bayer MaterialScience AG
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, Bayer MaterialScience AG filed Critical Bundesdruckerei GmbH
Publication of EP2252470A1 publication Critical patent/EP2252470A1/fr
Application granted granted Critical
Publication of EP2252470B1 publication Critical patent/EP2252470B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B42D25/46—Associating two or more layers using pressure
    • 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
    • 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
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/21—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose for multiple purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/08—Designs or pictures characterised by special or unusual light effects characterised by colour effects
    • B42D2035/14—
    • B42D2035/50—
    • 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

Definitions

  • the present invention relates to a polymer layer composite for a security and / or value document and to a method for its production. Furthermore, the invention relates to a security and / or value document which can be produced from the polymer layer composite according to the invention, for example by welding the composite into transparent protective films. Moreover, the invention relates to the use of the security and / or value document as an identity card, passport, credit card, bank card, cash card, customer card, visa card, ID card or driver's license.
  • Card-shaped data carriers are used, for example, for the identification of persons and / or objects and / or for cashless payment transactions. You have u.a. visually identifiable features that they clearly assign to a person and / or an item and / or a money or securities account and only allow the owner to identify himself or to dispose of the item or account and arrange for money transfers. For this reason, these data carriers must have security features that make it practically impossible for unauthorized persons to falsify or falsify the cards, so that abuse can be prevented as far as possible. In addition, a fake should therefore be easily recognizable.
  • Essential security features in the card-shaped data carriers are personalized and / or individualized features that are stored in the data carrier.
  • Personalized features are, for example, passport photos and data of the person to whom the card is associated, such as date of birth, address or identification number in a company, as well as biometric data such as a digitized record of fingerprints or the size, or the person's eye color or affiliation health insurance.
  • Individualized features are data associated with a particular device such as a motor vehicle, a bank account, or a security.
  • Such personalized and / or individualized features are applied individually to the card-shaped data carriers for the person using them. Therefore, the process for their generation must be flexible.
  • methods and apparatus for applying such data to card-shaped media are described in US 6,022,429 A, US 6,264,296 B1, US 6,685,312 B2, US 6,932,527 B2, US 6,979,141 B1, and US 7,037,013 B2, the disclosure of which is hereby fully incorporated in the disclosure of this specification , wherein the personalized and / or individualized features include can be applied to the cards by means of inkjet printing technology.
  • satellite pixels may be generated in addition to the main printing pixels produced in printing
  • the ink properties and the conditions under which the droplets are formed for example the flank form of the droplet ejection
  • more or less long "drop tails” whose velocity is smaller than that of the leading drops and from which further subsequent satellite drops can therefore form
  • H.Wijshoff in: "Drop formation mechanisms in piezo-acoustic inkjet", retrieved at http: // www .flow3d.com / pdfs / tp / micro_tp / FloSci-Bib01 -07.pdf on 8.2.2008, the contents of which are hereby incorporated in their entirety into the disclosure content of this description).
  • a method for coding a primary image with a secondary image in which the primary image and the secondary image are screened.
  • the secondary image is hidden in the primary image by being compensated for with its own inverse representation.
  • a coding method is used in which the points of the rasterized primary image can be modified or changed so that the balanced secondary image in the primary image is invisible.
  • the points in the primary image are grouped and the information of the secondary image is fed into these point groups.
  • Such variations may be in the density, shape and shape, angle, position, size, or frequency of the individual points in the point groups.
  • DE 197 06 008 C2 discloses a method for increasing the security against forgery of variable graphical elements, in particular alphanumeric characters, images, barcodes, in value and security documents, in which at least the surfaces of the variable graphic elements are provided with microscopic fine structures and in which a defined relationship in the form of a code is established between the spectral and / or geometric properties of the structures with regard to color and pattern and the variable graphic elements to be protected.
  • a color information of the graphic structure is proposed as a security feature.
  • color codes can be defined for alphanumeric characters, which recur in the structures of the individual elements.
  • the letter "c" is changed on the letter surface by picking up a c-shaped strip representing a protective structure, and associated with the letter is a color identical to the color of the protective structure in the "c".
  • High-quality card-shaped data carriers today consist in particular of polycarbonate.
  • Personalization and / or customization of polycarbonate-based cards typically takes place by laser engraving.
  • a laser beam is focused into the material and guided over the material.
  • the laser beam produces pungencies in the interior through pyrolysis, which vary in intensity depending on the laser intensity and duration at the respective points.
  • an image or other graphics or even a lettering or a number and / or letter combination can be generated.
  • the present invention is based initially on the problem that a layer composite with personalized and / or individualized features that have been produced by printing, may be delaminated or split by unauthorized manipulation, so that it is desirable to find a method with this is certainly prevented.
  • Pixel means the smallest possible element in printing a rasterized image
  • Pixels usually have simple geometric shapes, such as circles or squares
  • inkjet printing typically produces circular or circular shapes which are defined by the ink spot propagating in the print medium
  • the entirety of all the pixels of an image constitute a representation in their relative arrangement to each other.
  • the term "satellite pixel" is to be understood as an ink stain on the print medium which, in a drop-based printing process, under certain conditions, in addition to the actual main ink spot, the main pixel
  • the satellite pixel is typically very close to the main pixel and may ideally merge with it, or be separated therefrom, if additional satellite pixels are to be generated, and satellite satellite is associated with a main pixel
  • a bimodal pixel of main pixel and satellite pixel is formed when the distance between the main pixel and the satellite pixel is not very small, but not so large that both pixels are separated from each other are separated.
  • Satellite pixels are characterized, inter alia, by being in a fixed geometric relationship relative to the main pixels to which they are associated, for example by always being on the connecting line between adjacent main pixels or appearing at a certain angle to that connecting line, if not spattering of printing ink, which statistically produce ink stains. If the printing direction (relative direction of movement between the printing head and the printing medium) is reversed, this angle is also mirrored on a perpendicular to the printing direction.
  • certain print pixels composed of main pixels and satellite pixels for example pixels in a specific color and / or size, are in a first spatial orientation and other pixels, for example in a different color and / or size, in one varying geometric relationship.
  • the main and satellite pixels in adjacent main pixel satellite pixel ensembles also be arranged in different geometric arrangement to each other, within each group only ensembles occur with the same geometric orientation. This means that adjacent ensembles can also appear in different geometric orientations if they belong to different groups.
  • An essential feature of satellite pixels is that they are typically smaller than the major pixels to which they are associated.
  • digital printing method is to be understood as a printing method in which the data required for imaging digitally created and printing directly, as in the inkjet printing process, or indirectly, as in a xerographic printing processes are used to produce the printed image without the need for an explicit printing form, and this is a non-impact printing process, ie a process in which no solid printing form (a printing cylinder or a stamp) is used. is used.
  • a polymer layer composite for a security and / or value document for example for a credit card, bank card, cash card, customer card, visa card, ID card or driver's license, passport, identity card, is proposed according to the invention, the at least two having cohesively interconnected polymer layers, wherein on at least one surface of at least one of the polymer layers each consisting of printing pixels pressure layers are formed in a pressure range.
  • the print pixels each consist of a main pixel and at least one satellite pixel assigned to the main pixel.
  • Such a polymer layer composite is produced according to the invention using the following method steps: (a) providing the polymer layers for the polymer layer composite; (b) forming respective print layers of print pixels on at least one surface of at least one of the polymer layers in a print area; In this case, the print pixels are each formed from a main pixel and at least one satellite pixel associated with the main pixel; and (c) bonding the polymer layers together.
  • the starting point of the present invention is the recognition that novel security features in security and / or value documents can be generated if pixel-oriented printing methods are used and the individual screen dots of a screened representation, in particular of personalized and / or individualized features, are modified in such a way that respectively a main pixel and satellite pixels associated therewith are generated.
  • the entire representation is then preferably composed of main pixels and associated with them satellite pixels.
  • pixel-oriented printing methods in particular the ink-jet printing method, are set up such that the respective printed pixels have the most reproducible shapes, areas and color densities.
  • the print is optimized so that no satellite pixels form.
  • Each printing pixel then ideally consists of a circular surface. Therefore, the presence of satellite pixels, in addition to the main pixels to which they are associated, constitutes a security feature in the security and / or value document. Thus, if no such satellite pixels are detected in a security and / or value document, even though the standard document is printed with such pixel shapes it is easy to identify a forgery or falsification.
  • satellite pixels are smaller than the main pixels to which they are assigned.
  • the relative diameter of the two pixel types reference is made to the above definition.
  • each generated main pixel in the representation can be assigned a single satellite pixel.
  • the rising edge of the actuator piezoelectric crystal, resistance heating in the bubble jet inkjet printer
  • the single ink drops are ejected from the print head. This is because the main part of a drop is ejected from a discharge port in the print head at a high speed, but a smaller part still leaks when the discharge operation is actually already completed and the meniscus of the ink liquid in the discharge port is already starting to retire ("Fill-before-fire-action").
  • the ink liquid emerging at this stage is delayed with respect to the leading liquid parts, so that a liquid path is formed which, when the reaching delay is far apart and then in the trailing part (tail) under certain conditions and individual drops (satellite drops) can form.
  • These additional parameters for satellite drop generation are due, among other things, to the composition of the ink, especially with regard to its viscosity and surface tension, which have a significant influence on the formation of satellite drops that produce satellite pixels.
  • a high surface tension of the ink liquid to air is advantageous for the formation of individual ink droplets.
  • the inertia of the ink fluid also has a significant influence. This is shown in detail in H.Wijshoff, ibid., In more detail.
  • the security feature that can be produced with the invention can be realized in an arbitrarily designed representation: It can be structured, such as an image, for example a passport photograph, or as a graphic, such as guilloche, or as a raster, in particular a background raster (for example diamond, hahentritt -, pepita-, herringbone, checkerboard-shaped screening), or as alphanumeric characters, such as the representation of personalized data of the owner or the designated item (for example motor vehicle), or as a barcode or as an emblem, crests, insignia, a Flag, a checkmark, warranty, seal.
  • the representation can simply be a uniformly colored surface without structure, such as a white, black, gray or somehow colored surface.
  • all or only certain, uniquely identifiable groups of print pixels can be embodied as main pixel satellite pixel ensembles. For example, all printing pixels that are not black may be provided with satellite pixels.
  • the present invention relates to a composite of polymer layers, which may optionally also contain layers of other materials, such as cardboard, paper, textiles, fabrics, knitted or prepregs, for the production of security and / or value documents.
  • layers of other materials such as cardboard, paper, textiles, fabrics, knitted or prepregs.
  • all materials customary in the field of safety and / or value documents can be used as materials for the polymer layers.
  • the polymer layers can, identically or differently, be based on a polymer material from the group comprising PC (polycarbonate, in particular bisphenol A polycarbonate), PET (polyethylene glycol terephthalate), PMMA (polymethyl methacrylate), TPU (thermoplastic polyurethane elastomers), PE (polyethylene) , PP (polypropylene), PI (polyimide or poly-trans-isospore), PVC (polyvinyl chloride) and copolymers of such polymers. Furthermore, coextruded films of these materials can be used.
  • PC polycarbonate, in particular bisphenol A polycarbonate
  • PET polyethylene glycol terephthalate
  • PMMA polymethyl methacrylate
  • TPU thermoplastic polyurethane elastomers
  • PE polyethylene
  • PP polypropylene
  • PI polyimide or poly-trans-isospore
  • PVC polyvinyl chloride
  • low-T g polycarbonate-based materials can also be used, in particular for a polymer layer on which a printing layer is applied, and / or for a polymer layer, which is bonded to a polymer layer bearing a print layer on the side of the print layer.
  • Low-T g -Materials are polymers whose glass transition temperature is below 140 0 C.
  • the polymer layers can be filled or unfilled.
  • the filled polymer layers contain in particular color pigments or other fillers.
  • the polymer layers may also be dyed with dyes or colorless and, in the latter case, transparent, translucent or opaque.
  • the base polymer of at least one of the polymer layers to be joined contains identical or different mutually reactive groups, wherein react at a laminating temperature of less than 200 0 C reactive groups of a first polymer layer with each other and / or with reactive groups of a second polymer layer.
  • the lamination temperature can be lowered without jeopardizing the intimate bond of the laminated layers.
  • this is due to the fact that the various polymer layers can no longer be readily delaminated due to the reaction of the respective reactive groups. Because between the polymer layers takes place a reactive coupling, as it were a reactive lamination.
  • the glass transition temperature T 9 of the at least one polymer layer before thermal lamination is less than 120 ° C. (or even less than 110 ° C. or less than 100 ° C.). is, wherein the glass transition temperature of this polymer layer after thermal lamination by reaction of reactive groups of the base polymer of the polymer layer with each other by at least 5 ° C, preferably at least 20 0 C, higher than the glass transition temperature before the thermal lamination. In this case, not only does a reactive coupling of the layers to be laminated occur.
  • the lamination temperature when using such polymer materials is preferably less than 180 ° C., more preferably less than 150 ° C.
  • the selection of suitable reactive groups is possible without difficulty for a person skilled in the art of polymer chemistry.
  • 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 known to the person skilled in the art and therefore need not be further described here.
  • spacer groups may be mentioned which are selected from the group comprising - (CH 2 ) 1 -, - (CH 2 -CH 2 -O) n -, - (SiR 2 -O) n -, - (C 6 H 4 J n -, - (C 6 H 10 ) n -, -dC n -alkylene-, -C 3 -C (n + 3r arylene-, -C 4 -C ( n + 4r ArAlkylen-, in each case branched or linear, saturated or unsaturated, optionally substituted, or corresponding heterocycles having one or more, identical or different heteroatoms.
  • base polymer refers to a polymer structure which does not bear any groups reactive under the lamination conditions used. These may be homopolymers or copolymers. Compared to the polymers mentioned also modified polymers are included.
  • the present invention serves to produce security features in security and / or value documents.
  • the security features may in particular be personalized and / or individualized features.
  • the personalized feature may in particular be a passport photograph.
  • a personalized feature can also be data of the person to whom the security and / or value document is assigned, for example the date of birth, the address or identification number in a company, and biometric data, such as a digitized data set of fingerprints, or the size, eye color the person or their affiliation to a health insurance company.
  • an individualized feature may represent data pertaining to a particular item, such as a motor vehicle, or to a particular entity, such as a bank account or a security.
  • the personalized and / or individualized feature in turn is changed by the formation of the individual print pixels in the main pixels and satellite pixels as another security feature. That despite the change, the printed image can be seen with the naked eye, while it can be seen, given a corresponding optical magnification, that the individual printing pixels are formed as ensembles of main pixels and satellite pixels.
  • the special grid structure according to the invention with main pixels and satellite pixels is preferably realized with a digital printing method (non-impact printing), more preferably with a drop-on-demand printing method and most preferably with an ink jet printing method. If an ink-jet printing process is used, the ensembles of main and satellite pixels can be adjusted by simply setting the printing be generated. In other cases, these ensembles are merely simulated. In principle, therefore, all printing methods can be used with which such ensembles can be simulated in a screened representation of the individual picture elements (pixels).
  • the printing method used reaches a sufficient resolution in order to be able to produce the picture elements composed of main and satellite pixels in addition to a conventional picture composed of picture elements in an image quality of sufficient imaging quality.
  • conventional printing methods such as wet and dry offset and other planographic printing methods, gravure, high-pressure, but also electrophotographic or thermographic methods.
  • digital printing methods in addition to the ink-jet printing method, for example, xerographic methods, preferred because they are very flexible, in particular for the production of personalized and / or individualized pattern.
  • the pattern is produced with an inkjet printhead on one of the surfaces, wherein the pattern is subdivided into pixels and at least a part of these pixels in the sense of the invention consists of main and satellite pixels.
  • each satellite pixel is relative to a respective main pixel, with which it is assigned at a predetermined angle a to the direction in which the inkjet head and the surface are moved relative to each other (printing direction) the surface generated. This means that when viewing the surface after printing, the satellite pixels are arranged in a specific orientation relative to the associated main pixels, for example in the "5 o'clock position" or in the "half-o'clock position".
  • said angle a is not 0 ° or 180 °, relative to the printing direction. If these angles were maintained, the satellite pixels would lie on the connecting lines of main pixels which are printed one after the other during the process (scanning) of the print head and of the print medium relative to one another. Such orientation would typically result in conventional ink jet printing, even though there are no particular devices to suppress satellite pixels, because the satellite drops are later due to their lower exit velocity from the print head exit ports than the main drop hit the print medium and impinge on the connecting line successively printed main pixels because of the now made offset in the process of the printhead next to the main pixel. Depending on the printing direction, a satellite drop might appear to the right or left of the main pixel.
  • each satellite pixel may be formed at a predetermined angle ⁇ to a line connecting adjacent major printed pixels on the surface, regardless of the printing direction relative to the particular master pixel to which it is associated.
  • a device for deflecting the satellite drops emerging from the print head is provided on the print head.
  • This device may, in particular, be a through-opening device, which is arranged directly adjacent to the outlet openings of the print head.
  • the portion of the ink liquid which ultimately forms the satellite pixels passes at an angle ⁇ to a plane passing through the respective main pixel and printing direction is defined, off.
  • This part of the ink liquid is formed by the tail of the ejected ink liquid, whose airspeed is lower than the part of the ink liquid at the top of the ejected liquid path and during flight to the main drop forming part.
  • the means for deflecting the satellite drops may be formed as in US 7,093,915 B2 or US 2003/0179258 A1 by a through-hole plate which is brought into direct contact with the part of the print head in contact, in the the outlet openings for the ink liquid are located.
  • the passage openings in this plate are inserted in register with the outlet openings in the printhead in the plate.
  • the plate is not attached to the print head in such a way that the outlet openings are aligned with the through openings, but in such a way that a small offset results, so that a free cross section results for the passage of the ink liquid, but this cross section is narrowed.
  • the tail of the fluid path receives a pulse parallel to the plane of the plate so that the satellite drop forming from the tail is deflected from the original exit direction in which the bulk of the ink fluid is expelled. become.
  • the main drop maintains the exit direction defined by the normal to the plane defined by the exit ports of the printhead.
  • the passage openings in the plate are indeed adjusted in register with the outlet openings in the print head.
  • these through-holes are designed in a special way, in such a way that the trajectory of the satellite drop is deflected, for instance through through-holes with a curved, S-shaped or otherwise specially designed profile.
  • a predetermined color ⁇ at which a satellite pixel is generated relative to the main pixel to which it is associated is assigned a particular color.
  • the main pixel and the associated satellite pixel are generated according to this embodiment at this angle a and printed in this color associated with the angle a.
  • Another security feature is available.
  • This security feature is that a particular color is associated with a particular orientation of a satellite pixel relative to the main pixel to which it is associated, and that the main and satellite pixels are also printed in that color. A forgery or falsification occurs when such a shaped printing pixel is not printed in the associated color.
  • a ", ...., below which satellite pixels are generated relative to the respective main pixels to which they are associated, can each be assigned a specific color ,
  • the main pixel and the associated satellite pixels are the respective angles ⁇ n generated and in this the angle ⁇ n associated color printed.
  • a pattern may include print pixels that appear in the 1 o'clock position, 4 o'clock position, 7 o'clock position, and 10 o'clock position on the printed surface, relative to the associated main pixels ,
  • the respective orientations are assigned specific colors, such as the colors of the CMYK color space, for example the 1 o'clock position of the color yellow, the 4 o'clock position of the color magenta, the 7 o'clock position of the color cyan and the 10 o'clock.
  • a document is a representation consisting of pixels, each consisting of main and satellite pixels, wherein at least individual pixels are printed in a color that is not the respective associated orientation of Satellite pixels corresponding to their associated main pixels, so for example, printing pixels with satellite pixels in 7 o'clock position in yellow, proving the document with this representation as a fake or as falsified.
  • the main pixels and the associated satellite pixels are generated in this case at the respective angle ⁇ n and on this surface associated with the angle ⁇ n .
  • the print pixels are printed on each surface with a different orientation of the satellite pixels to the corresponding main pixels, for example on the first surface with satellite pixels in the 2 o'clock position, on the second surface in the 5 o'clock position, on the third surface in 8 o'clock position and on the fourth surface in 11 o'clock position. If it turns out that in a document with such coding of the pixels with colors an incorrect assignment takes place, it can be determined that this document is forged or falsified.
  • This embodiment is particularly advantageous when the different surfaces are spaced from each other by at least one layer of the composite, so that a distinction of the individual composite layers is made possible.
  • the representations in the above embodiment may be printed on the different surfaces in different colors.
  • multiple representations printed on different surfaces may be color separations of a color image.
  • the individual color separations according to the above embodiments of the invention can be provided with different orientations of the satellite pixels and color-coded.
  • the said security features may in principle be formed on a single surface of a layer of the composite layer, or it may be formed on different surfaces in the multilayer composite layers, these multiple surfaces are preferably separated from each other by at least one polymer layer and thus spaced from each other, and wherein the layers of the layer composite are joined together such that the representations of all printed layers, for example color separations of a photo, preferably lie exactly above one another on the different surfaces.
  • polymer layers which are colorless and transparent in order to be able to visually recognize the printed layers in the different layers of the layer composite visually from the outside.
  • a suitable representation for example a passport photograph
  • a division of the fields on two surfaces can take place in such a way that the first, third, fifth ... field of successive fields follow one another.
  • the second, fourth, sixth, and ... fields on a second surface and the corresponding fields of further rows are distributed in the same way to the two surfaces. Since the different surfaces on which the partial images are located are spaced apart from each other, the result is a spatial impression of the representation, which is the more the more printed layers on different surfaces in the laminate are included in this representation.
  • a further printing layer can also be applied, this further printing layer being printed on a surface which is modified in partial regions, for example with a screen or other type of pattern. Screening or other patterning in the modification of the surface is performed in this embodiment by changing the surface energy of the surface to be screened in partial areas corresponding to the grid, so that the ink liquid does not wet the surface in these partial areas. This change in surface energy may consist in hydrophilizing an otherwise hydrophobic surface or in hydrophobing an otherwise hydrophilic surface.
  • the portions of the surfaces in the print areas may be modified to increase their hydrophilicity ie their tendency is increased to be wetted by water. This ensures that the ink is not absorbed during the printing process of the modified areas but rejected. Hydrophilization can be carried out, for example, by using reactive reagents on the surfaces in the subregions to be modified.
  • the surface can be provided with a raster-shaped printing with a raster reproducing this silicone stamp in microcontact printing process.
  • an aerosol writing method can also be used, for example the M 3 D® method from Optomec®, US. This is a maskless application method in which the reactive reagents are atomized with a sprayer, the generated aerosol is transported with a first gas stream to a nozzle and sprayed by means of a second gas stream focused on the surface sub-areas.
  • the surface may be contacted with the reactive reagents which react with and hydrophilize the material of the surface.
  • Such hydrophilic reagents can be, above all, compounds which have at least one group reactive with the material of the polymer layers to be modified and at least one hydrophilic group.
  • Spacer groups may be provided between the reactive groups and the hydrophilic groups.
  • the reactive groups may be selected, inter alia, from the group comprising carboxylic acid chloride, carboxylic acid Angew. hydride, oxirane and phthalimide groups.
  • the portions of the surface to be modified may be provided with a hydrophilic coating, such as a hydrophilic paste or a hydrophilic dispersion. To impart adhesion of the paste or dispersion to the hydrophobic surface, the paste or dispersion contains, for example, a surfactant.
  • hydrophilic surfaces are rendered hydrophobic, for example by fluorination or siliconization, for example by applying a hydrophobic layer, for example a layer containing fluorinated binder components.
  • the structuring to produce the hydrophobic subregions can in turn be realized with a stamp in the microcontact printing process or with a drop-on-demand printing process or with a photolithographic process.
  • Polycarbonate layers can also be rendered hydrophobic.
  • diamond-shaped, triangular, square or hexagonal or also differently sized printing pixels can be produced.
  • a color can be assigned, for example, triangular pressure pixels of cyan color, squared pressure pixels of the color magenta, hexagonal pressure pixels of the color yellow and diamond-shaped Druckpi- xel Color: Black.
  • any other pattern may be created as a secondary latent visible image superimposing the primary visible image, such as guilloches.
  • the security feature formed by the primary visible image and the secondary latent visible pattern may be generated in a print area other than the print area in which the security feature of the invention formed by print pixels with satellite pixels is created becomes.
  • the two pressure areas may preferably be on surfaces in the layer composite, which are separated from each other by at least one layer of the composite.
  • these two pressure ranges can overlap at least partially, so that overlapping partial images result in a common representation, for example a passport photograph.
  • different security features are realized in this case: on the one hand in a first
  • Printing area the security feature according to the invention formed by additional satellite pixels at the associated main pixels and in a second printing area the security feature realized by the modification of the subregions of the surfaces.
  • the generation of security features according to the invention by generating satellite pixels in addition to main pixels can also be combined with the above further embodiment, in which the surface is modified in subregions, in the same printing area and thus on the same surface of a polymer layer.
  • the primary visible print image is to be printed with satellites
  • the secondary latent visible information results in surface screening with grid areas that are larger than the areas of the print pixels.
  • the satellites are visible at the main pixels because the print pixels in the grid areas are substantially completely contained.
  • the presence of both the rasterization and the formation of the print pixels with main and satellite pixels represents further security features.
  • the above embodiments may also refer to a black / white representation, optionally with gray tones, instead of colored representations. These embodiments represent additional security features to the security features according to the invention and can be combined with these.
  • the respective printed layers are arranged in the polymer layer composite on inner layers of the composite. In this case is prevents or even precludes forgery or falsification of printed layers serving as security features.
  • a preparation comprising: A) 0.1 to 20 wt .-% of a binder with a polycarbonate derivative, B) 30 to 99.9 wt .-% of a preferably organic solvent or solvent mixture, C) 0 to 10 wt % of a colorant or colorant mixture (wt.% relative to its dry mass), D) 0 to 10 wt.% of a functional material or a mixture of functional materials, E) 0 to 30 wt.% of additives and / or auxiliaries, or a mixture of such substances, the sum of the components A) to E) always being 100% by weight, as a printing ink.
  • polycarbonate derivatives are highly compatible with polycarbonate materials, in particular with polycarbonates based on bisphenol A, such as, for example, Makrofol® films.
  • polycarbonate derivative used is stable to high temperatures and shows no discoloration at lamination typical temperatures up to 200 0 C and more, whereby the use of the above-described low-T g - materials is not necessary.
  • the polycarbonate derivative may contain functional carbonate structural units of the formula (I)
  • R 1 and R 2 independently of one another, are hydrogen, halogen, preferably chlorine or bromine, C 1 -C 8 -alkyl, C 5 -C 6 -cycloalkyl, C 6 -C 10 -aryl, preferably phenyl, and C ⁇ -C 12 - Aralkyl, preferably phenyl-C 1 -C 4 -alkyl, especially benzyl;
  • m is an integer from 4 to 7, preferably 4 or 5; R 3 and R 4 are individually selectable for each X, independently of one another is hydrogen or C 1 -C 6 -alkyl; X is carbon and n is an integer greater than 20, with the proviso that on at least one atom X, R 3 and R 4 are simultaneously alkyl. It is preferred for X, R 3 and R 4 to be simultaneously alkyl at 1 to 2 atoms, in particular only at one atom. R 3 and R 4 may be in particular methyl.
  • the X atoms in the ⁇ position to the diphenyl-substituted C atom (C1) may not be dialkyl-substituted.
  • the polycarbonate derivative can be prepared, for example, on the basis of monomers, such as 4,4 ' - (3,3,5-trimethylcyclohexane-1,1-diyl) diphenol, 4,4 ' - (3,3-) Dimethylcyclohexane-1, 1-diyl) diphenol, or 4,4 ' - (2,4,4-trimethylcyclopentane-1, 1-diyl) diphenol.
  • monomers such as 4,4 ' - (3,3,5-trimethylcyclohexane-1,1-diyl) diphenol, 4,4 ' - (3,3-) Dimethylcyclohexane-1, 1-diyl) diphenol, or 4,4 ' - (2,4,4-trimethylcyclopentane-1, 1-diyl) diphenol.
  • Such a polycarbonate derivative can be prepared, for example, according to the document DE-A 38 32 396 from diphenols of the formula (Ia), the disclosure content of which is hereby incorporated in full in the disclosure of this description. It is possible to use both a diphenol of the formula (Ia) to form homopolycarbonates and a plurality of diphenols of the formula (Ia) to form copolycarbonates (meaning of radicals, groups and parameters, as in formula I).
  • diphenols of the formula (Ia) can also be mixed with other diphenols, for example with those of the formula (Ib)
  • thermoplastic thermoplastic
  • aromatic Polycarbonatde- derivatives thermoplastic, aromatic Polycarbonatde- derivatives
  • Suitable other diphenols of the formula (Ib) are those in which Z is an aromatic radical having 6 to 30 C atoms, which may contain one or more aromatic nuclei, may be substituted, and aliphatic radicals or cycloaliphatic radicals other than those of the formula (II) Ia) or heteroatoms may contain as bridge members.
  • diphenols of the formula (Ib) are hydroquinone, resorcinol, dihydroxydiphenyls, bi- (hydroxyphenyl) alkanes, bis (hydroxyphenyl) -cycloalkanes, bis (hydroxyphenyl) sulfides, bis (hydroxyphenyl) ethers , Bis (hydroxyphenyl) ketones, bis (hydroxyphenyl) sulfones, bis (hydroxyphenyl) sulfoxides, ⁇ , ⁇ '-bis (hydroxyphenyl) -diisopropylbenzenes and their kernalkyltechnisches and their kernalkyltechnisches and their kernalkyltechnisches.
  • Preferred other diphenols are, for example: 4,4'-dihydroxydiphenyl, 2,2-bis (4-hydroxyphenyl) propane, 2,4-bis (4-hydroxyphenyl) -2-methylbutane, 1,1-bis ( 4-hydroxyphenyl) -cyclohexane, ⁇ , ⁇ -bis- (4-hydroxyphenyl) -p-diisopropylbenzene, 2,2-bis (3-methyl-4-hydroxyphenyl) -propane, 2,2-bis (3-chloro-4-hydroxyphenyl) -propane, bis (3 , 5-dimethyl-4-hydroxyphenyl) -methane, 2,2-bis- (3,5-dimethyl-4-hydroxyphenyl) -propane, bis- (3,5-dimethyl-4-hydroxyphenyl) -sulfone, 2, 4-bis (3,5-dimethyl-4-hydroxyphenyl) -2-methylbutane, 1, 1-bis (3,5-dimethyl-4-hydroxyphenyl)
  • diphenols of the formula (Ib) are, for example, 2,2-bis (4-hydroxyphenyl) propane, 2,2-bis (3,5-dimethyl-4-hydroxyphenyl) -propane, 2,2- Bis (3,5-dichloro-4-hydroxyphenyl) -propane, 2,2-bis (3,5-dibromo-4-hydroxyphenyl) -propane and 1,1-bis (4-hydroxyphenyl) - cyclohexane.
  • 2,2-bis (4-hydroxyphenyl) propane is preferred.
  • the other diphenols can be used both individually and in a mixture.
  • the molar ratio of diphenols of the formula (Ia) to the other diphenols of the formula (Ib) which may optionally be used should be between 100 mol% (Ia) to 0 mol% (Ib) and 2 mol% (Ia) 98 mol% (Ib), preferably between 100 mol% (Ia) to 0 mol% (Ib) and 10 mol% (Ia) to 90 mol% (Ib) and in particular between 100 mol% (Ia ) to 0 mol% (Ib) and 30 mol% (Ia) to 70 mol% (Ib).
  • the high molecular weight polycarbonate derivatives from the diphenols of the formula (Ia), if appropriate in combination with other diphenols, can be prepared by the known polycarbonate production processes.
  • the various diphenols can be linked together both statistically and in blocks.
  • the polycarbonate derivatives used can be branched in a manner known per se. If the branching is desired, this can in known manner by condensing small amounts, preferably amounts of 0.05 to 2.0 mol% (based on diphenols), of trifunctional or more than trifunctional compounds, especially those with three or more than three phenolic hydroxyl groups.
  • Some branching agents having three or more than three phenolic hydroxyl groups are phloroglucinol, 4,6-dimethyl-2,4,6-tri- (4-hydroxyphenyl) -heptene-2,4,6-dimethyl-2,4,6-tri - (4-hydroxyphenyl) heptane, 1, 3,5-tri (4-hydroxyphenyl) benzene, 1,1,1-tri (4-hydroxyphenyl) ethane, tri- (4-hydroxyphenyl) -phenyl - methane, 2,2-bis [4,4-bis (4-hydroxyphenyl) cyclohexyl] propane, 2,4-bis (4-hydroxyphenyl-isopropyl) -phenol, 2,6-bis (2,6-bis) 2-hydroxy-5-methylbenzyl) -4-methylphenol, 2- (4-hydroxyphenyl) -2- (2,4-dihydroxyphenyl) -propane, hexa- [4- (4-hydroxyphenyl-isopropyl
  • Monofunctional compounds in conventional concentrates serve as chain terminators for the known regulation of the molecular weight of the polycarbonate derivatives.
  • Suitable compounds are, for example, phenol, tert-butylphenols or other alkyl-substituted phenols.
  • For controlling the molecular weight in particular small amounts of phenols of the formula (Ic) are suitable
  • R represents a branched C 8 and / or C 9 alkyl radical.
  • the proportion of CH 3 protons is preferably between 47 and 89% and the proportion of CH and CH 2 protons between 53 and 11%; also preferably R is in the o- and / or p-position to the OH group, and more preferably the upper limit of the ortho-portion is 20%.
  • the chain terminators are generally used in amounts of 0.5 to 10, preferably 1.5 to 8 mol%, based on diphenols used.
  • the polycarbonate derivatives can preferably be prepared in a manner known per se by the phase interface behavior (compare H. Schnell in: Chemistry and Physics of Polycarbonates, Polymer Reviews, Vol.
  • the diphenols of the formula (Ia) are dissolved in an aqueous alkaline phase.
  • mixtures of diphenols of the formula (Ia) and the other di-phenols, for example those of the formula (Ib), are used.
  • chain terminators of, for example, the formula (Ic) can be added.
  • organic phase is reacted with phosgene by the method of interfacial condensation.
  • the reaction temperature is in the range from 0 ° C. to 40 ° C.
  • the branching agents which may be used (preferably 0.05 to 2.0 mole%) may be initially charged with the diphenols in the aqueous alkaline phase or dissolved in the organic solvent be added before phosgenation.
  • diphenols of the formula (Ia) and, if appropriate, other diphenols (Ib) it is also possible to use their mono- and / or bis-chloro-carbonate esters, these being used in organic solvents. be added.
  • the amount of chain terminators and of branching agents then depends on the molar amount of diphenolate radicals corresponding to formula (Ia) and optionally formula (Ib); When using chloroformates the amount of phosgene can be reduced accordingly in a known manner.
  • Suitable organic solvents for the chain terminators and optionally for the branching agents and the chlorocarbonic acid esters are, for example, methylene chloride, chlorobenzene and in particular mixtures of methylene chloride and chlorobenzene.
  • the chain terminators and branching agents used can be dissolved in the same solvent.
  • the organic phase used for the interfacial polycondensation are, for example, methylene chloride, chlorobenzene and mixtures of methylene chloride and chlorobenzene.
  • the aqueous alkaline phase used is, for example, NaOH solution.
  • the preparation of the polycarbonate derivatives by the phase boundary process can be catalyzed in a customary manner by catalysts, such as tertiary amines, in particular tertiary aliphatic amines, such as tributylamine or triethylamine; the catalysts can be used in amounts of 0.05 to 10 mol%, based on moles of diphenols used.
  • the catalysts can be added before the beginning of the phosgenation or during or after the phosgenation.
  • the polycarbonate derivatives can be prepared by the known process in a homogeneous phase, the so-called "pyridine process" and by the known melt transesterification process using, for example, diphenyl carbonate instead of phosgene.
  • the polycarbonate derivatives may be linear or branched, they are homopolycarbonates or copolycarbonates based on the diphenols of the formula (Ia).
  • the diphenols of the formula (Ia) are present in amounts of from 100 mol% to 2 mol%, preferably in amounts of from 100 mol% to 10 mol% and in particular in amounts of from 100 mol% to 30 mol% %, based on the total amount of 100 mol% of diphenol units contained in polycarbonate derivatives.
  • the polycarbonate derivative may be a copolymer comprising, in particular consisting thereof, monomer units M1 based on the formula (Ib).
  • monomer units M1 based on the formula (Ib).
  • bisphenol A and monomer units M2 based on the geminally disubstituted dihydroxydiphenylcycloalkane, preferably the 4,4 ' - (3 , 3,5-trimethylcyclohexane-1, 1-diyl) diphenol, wherein the molar ratio M2 / M1 is preferably greater than 0.3, in particular greater than 0.4, for example greater than 0.5.
  • the polycarbonate derivative has a mean Mo weight-average molecular weight of at least 10,000, preferably from 20,000 to 300,000.
  • component B may be substantially organic or aqueous.
  • Substantially aqueous means that up to 20% by weight of component B) can be organic solvents.
  • Substantially organic means that up to 5% by weight of water may be present in component B).
  • Component B preferably contains one or consists of a liquid aliphatic, cycloaliphatic and / or aromatic hydrocarbon, a liquid organic ester and / or a mixture of such substances.
  • the organic solvents used are preferably halogen-free organic solvents.
  • aliphatic, cycloaliphatic, aromatic hydrocarbons such as mesitylene, 1,2,4-trimethylbenzene, cumene and solvent naphtha, toluene, xylene, (organic) esters, such as methyl acetate, ethyl acetate, butyl acetate, methoxypropyl acetate, ethyl-3 -ethoxypropionat.
  • organic esters such as methyl acetate, ethyl acetate, butyl acetate, methoxypropyl acetate, ethyl-3 -ethoxypropionat.
  • mesitylene, 1, 2,4-trimethylbenzene, cumene and solvent naphtha, toluene, xylene methyl acetate, ethyl acetate, methoxypropyl acetate.
  • Ethyl 3-ethoxypropionate is particularly suitable.
  • a suitable solvent mixture comprises, for example, L1) 0 to 10% by weight, preferably 1 to 5% by weight, in particular 2 to 3% by weight, mesitylene, L2) 10 to 50% by weight, preferably 25 to 50% by weight %, in particular 30 to 40% by weight, 1-methoxy-2-propanol acetate, L3) 0 to 20% by weight, preferably 1 to 20% by weight, in particular 7 to 15% by weight, 1 , 2,4-trimethylbenzene, L4) 10 to 50 wt.%, Preferably 25 to 50 wt.%, In particular 30 to 40 wt.%, Ethyl 3-ethoxypropionate, L5) 0 to 10 wt.
  • the preparation may contain in detail: A) 0.1 to 10% by weight, in particular 0.5 to 5% by weight, of a binder with a polycarbonate derivative based on a geminally disubstituted dihydroxydiphenylcycloalkane, B) 40 to 99, 9 wt .-%, in particular 45 to 99.5 wt .-%, of an organic solvent or solvent mixture, C) 0.1 to 6 wt .-%, in particular 0.5 to 4 wt .-%, of a colorant or colorant mixture , D) 0.001 to 6 wt .-%, in particular 0.1 to 4 wt .-%, of a functional material or a ner mixture of functional materials, E) 0.1 to 30 wt .-%, in particular 1 to 20 wt .-%, additives and / or auxiliaries, or a mixture of such substances.
  • colorant As component C, if a colorant is to be provided, basically any colorant or colorant mixture comes into question. Colorants are all colorants. This means that it can be both dyes (an overview of dyes Ullmann's Encyclopedia of Industrial Chemistry, Electronic Release 2007, Wiley publishing house, chapter “Dyes, General Survey”) as well as pigments (a review of organic and inorganic pigments is Ullmann's Encyclopedia of Industrial Chemistry, Electronic Release 2007, Wiley Verlag, chapter “Pigments, Organic” and “Pigments, Inorganic”) act. Dyes should be soluble or (stably) dispersible or suspendible in the component B solvents. Furthermore, it is advantageous if the colorant at temperatures of 160 0 C and more for a period of more than 5 min.
  • colorant is subjected to a predetermined and reproducible color change under the processing conditions and is selected accordingly.
  • pigments must be present in particular in the finest particle size distribution. For inkjet printing, this means in practice that the particle size should not exceed 1, 0 microns, otherwise blockages in the printhead are the result.
  • nanoscale solid-state pigments and dissolved dyes have proven their worth.
  • the colorants may be cationic, anionic or even neutral. Only examples of colorants which can be used in ink-jet printing are: Brilliant black Cl. No. 28440, Chromogen Black Cl. No. 14645, direct deep black E Cl. No. 30235, true black salt B Cl. No.
  • the colorants may be added either directly as a dye or pigment or as a paste, a mixture of dye and pigment together with another binder. This additional binder should be chemically compatible with the other components of the formulation. If such a paste is used as a colorant, the amount of component B refers to the colorant without the other components of the paste. These other components of the paste are then subsumed under the component E.
  • so-called colored pigments in the scale colors cyan-magenta-yellow and preferably also (soot) black solid color images are possible.
  • Component D comprises substances that can be seen directly by the human eye or by the use of suitable detectors using technical aids.
  • materials known to those skilled in the art (see also van Renesse in: Optica !, document security, 3rd ed., Artech House, 2005), which are used to secure value and security documents.
  • luminescent substances dye or pigments, organic or inorganic
  • photoluminophores such as photoluminophores, electroluminophores, Antistokes luminophores, fluorophores, but also magnetizable, photoacoustically addressable or piezoelectric materials.
  • Raman-active or Raman-reinforcing materials can be used, as well as so-called barcode materials.
  • the preferred criteria are either the solubility in the component B or pigmented systems particle sizes ⁇ 1 micron and a temperature stability for temperatures> 160 0 C in the sense of the comments on component C.
  • Functional materials can be added directly or via a paste, ie a mixture with a further binder, which then forms part of component E, or the binder of component A.
  • Component E in ink-jet inks comprises conventionally prepared materials such as anti-foaming agents, modifiers, wetting agents, surfactants, flow agents, dryers, catalysts, (light) stabilizers, preservatives, biocides, surfactants, organic Polymers for adjusting the viscosity, buffer systems, etc.
  • Suitable setting agents are customary setting salts. An example of this is sodium lactate.
  • biocides all commercially available preservatives which are used for inks come into question. Examples are Proxel® GXL and Parmetol® A26.
  • Suitable surfactants are all commercially available surfactants which are used for inks. Preferred are amphoteric or nonionic surfactants.
  • surfactants which do not alter the properties of the dye.
  • suitable surfactants are betaines, ethoxylated diols, etc.
  • Surfynol® and Tergitol® examples are the product series Surfynol® and Tergitol®.
  • the amount of surfactants is especially selected when used for ink-jet printing, for example, provided that the surface tension of the ink is in the range of 10 to 60 mN / m, preferably 20 to 45 mN / m, measured at 25 ° C.
  • a buffer system can be set up which stabilizes the pH in the range from 2.5 to 8.5, in particular in the range from 5 to 8.
  • Suitable buffer systems are lithium acetate, borate buffer, triethanolamine or acetic acid / sodium acetate.
  • a buffer system will be considered in particular in the case of a substantially aqueous component B.
  • To adjust the viscosity of the ink (possibly water-soluble) polymers can be provided. Here all suitable for conventional ink formulations polymers come into question.
  • Examples are water-soluble starch, in particular with an average molecular weight of 3,000 to 7,000, polyvinylpyrrolidone, in particular with an average molecular weight of 25,000 to 250,000, polyvinyl alcohol, in particular with an average molecular weight of 10,000 to 20,000, xanthan gum, carboxymethyl cellulose, ethylene oxide / propylene oxide - Block copolymer, in particular with an average molecular weight of 1,000 to 8,000.
  • An example of the latter block copolymer is the product series Pluronic®.
  • the proportion of biocide, based on the total amount of ink may be in the range of 0 to 0.5% by weight, preferably 0.1 to 0.3% by weight.
  • the proportion of surfactant can range from 0 to 0.2 wt .-%.
  • the proportion of adjusting agents based on the total amount of ink, 0 to 1 wt .-%, preferably 0.1 to 0.5 wt .-%, amount.
  • the auxiliaries also include other components, such as, for example, acetic acid, formic acid or n-methylpyrrolidone or other polymers from the dye solution or paste used.
  • substances which are suitable as component E reference is additionally made, for example, to Ullmann's Encyclopedia of Chemical Industry, Electronic Release 2007, Wiley Verlag, chapter “Paints and Coatings", section “Paint Additives”.
  • the ink composition described above is particularly suitable for ink-jet printing, but can also be used for any other printing techniques, as long as the ratio of the individual components is adapted to the application.
  • An advantage in this context is that the composition described contains a polycarbonate derivative as a binder, if the polymer layers of the composite also consist of polycarbonate.
  • Fig. 1 shows typical main pixel satellite pixel ensembles
  • Fig. 2 shows different variants of main with satellite pixels
  • 3 shows a schematic representation of an ink-jet printhead moved over a printing medium and the main and satellite printing pixels generated thereby;
  • Fig. 4 shows a schematic representation of a nozzle plate on an inkjet printhead in cross section
  • Fig. 5 shows a schematic representation of print pixels, consisting of main and
  • Fig. 6 shows a schematic representation of printing pixels, consisting of main and
  • Satellite pixels superimposed on a latent image from a diamond-shaped fringe (FIG. 6C).
  • FIG. 1 two typical main pixel satellite pixel ensembles are shown.
  • the respective satellite pixel B is assigned to the corresponding main pixel A. It is in a defined relative position to the main pixel A, in the present case approximately in the "7 o'clock position.”
  • the satellite pixel B is not so far away from the main pixel A that both pixels are separated from each other
  • both pixels are separated from each other, which can each be achieved by adjusting the deflection upon ejection of the ink droplets from the printhead
  • FIG. 3 schematically shows a printhead 1 which is moved in a printing direction 2 via a printing medium 3, for example a polymer film.
  • a printing medium for example a polymer film.
  • ink outlet openings 4 on the underside of the print head 1 individual ink droplets exit, which are initially formed in the form of droplet paths and then split into a main droplet and a satellite droplet.
  • the main drop is ejected along the normal to the plane formed by the underside of the print head 1 in which the exit openings 4 are located.
  • the path of the main drop is marked 5.
  • the main drop forms the main pixel 11.
  • the satellite drop is ejected onto the polymer film 3 in a direction deflected by the normal. This path is marked 6.
  • the satellite drop forms the satellite pixel 12.
  • the angle at which the satellite drop is deflected with respect to a plane defined by the printing direction 2 and the main pixel 11 is denoted by ⁇ .
  • the angle at which the satellite pixel 11 appears on the polymer film 3 relative to the main pixel 12 to the printing direction 2 is denoted by a.
  • FIG. 4 schematically shows a deflection device 7 on a droplet generating device 8 of a print head 1.
  • the droplet generating device 8 has outlet openings 4.
  • the deflection device 7 is provided with channels 9, whose inlet openings 10 are aligned with the outlet openings 4 of the drop generator 8.
  • the channels 9 are S-shaped and thus deflect the satellite drops, while the deflection of the trajectories of the main drops is negligible.
  • the satellite drops are deflected in the example shown to the left.
  • Example 1 Preparation of polycarbonate derivatives for an ink composition as
  • the polycarbonate derivative shows a relative solution viscosity of 1.263.
  • the glass transition temperature is determined to be 183 ° C. (DSC).
  • Example 2 Preparation of a liquid preparation suitable for the production of an ink jet ink
  • a liquid preparation is prepared from 17.5 parts by weight of the polycarbonate derivative from Example 1 and 82.5 parts by weight of a solvent mixture according to Table I (data in% by weight, based on the solvent mixture).
  • a change in the resolution of a pixel pattern printed with the ink almost does not occur in a joining operation in which the substrate layer printed with the pixel pattern is connected to a substrate layer arranged above it. This means that the pixel pattern is maintained in almost the same resolution even after lamination.
  • each of the print pixels is bimodal and consists of a larger main pixel and a smaller satellite pixel.
  • the satellite pixel appears at an angle a to the transport direction (defined from right to left by the rows of print pixels) of approximately 60 ° relative to the main pixel to which it is associated.
  • Example 4 Formation of satellites on a pattern produced by ink-jet printing on surfaces previously rendered hydrophobic in diamond-shaped structures.
  • the main pixels with associated satellite pixels are printed on a first polycarbonate film (FIG. 6A).
  • a further polycarbonate film is first hydrophobized in a printing area with a diamond-shaped pattern.
  • the diamonds are so large that at least one print pixel can be printed completely afterwards.
  • the polycarbonate film is printed in a waterless offset process, the so-called Toray process, with a UV-curable and invisible to the human eye color. This color is silicone containing, without colorants and optionally with fluorinated binder proportions.
  • a print motif in the form of diamond lines is copied onto a printing form and printed on a PC film. As a result, the diamond lines shown in FIG. 6B, which are not visible to the human eye, are printed on the surface.
  • each printing pixel is printed in the form of a main pixel and a satellite pixel appearing at an angle a relative to the main pixel with respect to the printing direction. This angle ⁇ is indicated by a 1 o'clock position. Where the diamond pattern is located, the pixels can not be printed (Figure 6C).
  • each color separation another angle ⁇ at which the satellite drops strike the polycarbonate sheet relative to the main drops from the trajectory of the main drops is set:
  • the position of the satellite pixels of the yellow color separation becomes relative to that of the main pixels in a 4 o'clock position set.
  • the location of the satellite pixels of the cyan color separation is relative to that of the Main pixels set in a 7 o'clock position.
  • the position of the satellite pixels of the gray-tinted color separation is set relative to that of the main pixels in a 10 o'clock position.
  • the satellite drops are partially recognizable and partially suppressed by the diamond patterns.
  • the films are then stacked and laminated. It forms a monolithic composite of the films.
  • the printed color separations in the layer composite can be assigned to the individual layers of the layer composite: the black color separation can be seen from the fact that this satellite pixel contained in 1 o'clock position; the yellow color abstract is indicated by the fact that this satellite pixel is in the 4 o'clock position; The Cyan color separation is indicated by the fact that this satellite pixel is in the 7 o'clock position, and the magenta color separation is indicated by the fact that it contains satellite pixels in the 10 o'clock position.

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Abstract

La présente invention concerne un procédé de création de nouvelles caractéristiques de sécurité dans des documents de sécurité et/ou de valeur. Le procédé consiste à préparer un composite polymère stratifié qui est adapté à la fabrication de tels documents de sécurité et/ou de valeur, lequel composite contient au moins deux couches de polymère reliées l'une à l'autre par liaison de matière, puis à appliquer dans une région d'impression des couches d'impression respectivement composées de pixels d'impression, sur au moins une surface d'au moins une des couches de polymère. Les pixels d'impression sont respectivement constitués d'un pixel principal (A) et d'au moins un pixel satellite (B) associé au pixel principal.
EP08872939.7A 2008-02-29 2008-10-31 Couche d'impression comprenant des pixels principaux et des pixels satellites sur un composite polymère stratifié pour un document de sécurité et/ou de valeur Active EP2252470B1 (fr)

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DE102008012428A DE102008012428B3 (de) 2008-02-29 2008-02-29 Polymerschichtverbund für ein Sicherheits- und/oder Wertdokument und Verfahren zu dessen Herstellung sowie Sicherheits- und/oder Wertdokument und deren Verwendung
PCT/EP2008/009335 WO2009106106A1 (fr) 2008-02-29 2008-10-31 Couche d'impression comprenant des pixels principaux et des pixels satellites sur un composite polymère stratifié pour un document de sécurité et/ou de valeur

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EP (1) EP2252470B1 (fr)
DE (1) DE102008012428B3 (fr)
ES (1) ES2702817T3 (fr)
WO (1) WO2009106106A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013000717A1 (de) * 2013-01-17 2014-07-17 Bayer Material Science Ag Datenblatt für ein Sicherheits- und/oder Wertdokument
RU2733702C2 (ru) * 2017-08-31 2020-10-06 Роман Леонидович Пушко Способ контроля подлинности продукции и защиты от контрафакта и фальсификации

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4814594A (en) * 1982-11-22 1989-03-21 Drexler Technology Corporation Updatable micrographic pocket data card
FR2571663B1 (fr) * 1984-10-11 1987-01-16 Matra Document d'identite difficilement falsifiable et procede de fabrication d'un tel document
US4687526A (en) * 1986-01-08 1987-08-18 Identification Systems Company L.P. Method of making an identification card
FR2637844B1 (fr) * 1988-10-18 1990-11-23 Imaje Sa Procede d'impression haute resolution au moyen de gouttes d'encre satellites mis en oeuvre dans une imprimante a jet d'encre continu
CH677905A5 (fr) * 1989-02-20 1991-07-15 Orell Fuessli Graph Betr Ag
GB9212628D0 (en) * 1992-06-15 1992-07-29 Ici Plc Receiver sheet and a method for the production thereof
US6104812A (en) * 1998-01-12 2000-08-15 Juratrade, Limited Anti-counterfeiting method and apparatus using digital screening
DE10008851A1 (de) * 2000-02-25 2001-08-30 Giesecke & Devrient Gmbh Verfahren zur Herstellung laserbeschriftbarer Datenträger und damit hergestellte Datenträger
US20030179258A1 (en) * 2002-03-21 2003-09-25 Xerox Corporation Methods and apparatus for reducing or minimizing satellite defects in fluid ejector systems
US7093915B2 (en) * 2004-06-30 2006-08-22 Xerox Corporation Controlling direction of satellite droplet ejection in ink jet printer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009106106A1 *

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ES2702817T3 (es) 2019-03-05
EP2252470B1 (fr) 2018-10-03
WO2009106106A1 (fr) 2009-09-03
DE102008012428B3 (de) 2009-07-23

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