EP1109675B2 - Sicherheitsprodukt und -verfahren zum schutz eines gegenstandes mittels einem sicherheitsdruck der ein lösbares bindemittel enthält - Google Patents

Sicherheitsprodukt und -verfahren zum schutz eines gegenstandes mittels einem sicherheitsdruck der ein lösbares bindemittel enthält Download PDF

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Publication number
EP1109675B2
EP1109675B2 EP00927347A EP00927347A EP1109675B2 EP 1109675 B2 EP1109675 B2 EP 1109675B2 EP 00927347 A EP00927347 A EP 00927347A EP 00927347 A EP00927347 A EP 00927347A EP 1109675 B2 EP1109675 B2 EP 1109675B2
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EP
European Patent Office
Prior art keywords
film
agent
adhesive
security
imprint
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.)
Expired - Lifetime
Application number
EP00927347A
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English (en)
French (fr)
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EP1109675A1 (de
EP1109675B8 (de
EP1109675B1 (de
Inventor
François Trantoul
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Fasver SAS
Original Assignee
Fasver SAS
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Publication of EP1109675B8 publication Critical patent/EP1109675B8/de
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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
    • 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
    • B42D25/46—Associating two or more layers using pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • B42D25/465—Associating two or more layers using chemicals or adhesives
    • B42D25/47—Associating two or more layers using chemicals or adhesives using adhesives
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24826—Spot bonds connect components
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24835—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including developable image or soluble portion in coating or impregnation [e.g., safety paper, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24851—Intermediate layer is discontinuous or differential
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24893—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including particulate material
    • Y10T428/24901—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including particulate material including coloring matter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • Y10T428/24967—Absolute thicknesses specified
    • Y10T428/24975—No layer or component greater than 5 mils thick
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/269—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension including synthetic resin or polymer layer or component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2813—Heat or solvent activated or sealable
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]

Definitions

  • the invention relates to the protection of an object against falsification and / or for authentication purposes and / or to guarantee its integrity, with the aid of a thin protective film - in particular transparent - in synthetic material intended to be stuck on one side of an object.
  • the object may be for example an official document (passport, identity card, driver's license ...) bearing variable information (surname, first name, address, ... of the holder) to protect against attempts to falsify .
  • the film is transparent. It can also be an official document, a packaging or a product or any article on which the presence of the film guarantees the authenticity of the object and / or its integrity (ie say the fact that it has not been previously used, or consumed, or violated).
  • the film is not necessarily transparent, but incorporates security reasons impossible or difficult to reproduce (hologram, anti-photocopy printing, invisible pigments in visible light but visible in non-visible light ).
  • Attempts to falsify, counterfeit, or tamper with film-protected objects usually consist of peeling off the film from the object using a solvent used to dissolve the adhesive that keeps the film stuck on. the object, without damaging the object, or the inscriptions it carries, nor, preferably, the protective film.
  • adheresive generally refers to any composition having the property of adhering under certain conditions, and thus encompasses not only self-adhesives (or pressure-sensitive adhesives), but also heat-activatable adhesives or heat sealable (or hot glue), and glues in general (mono or multicomponent).
  • the solvents used by the fraudsters can be aqueous polar solvents (water, aqueous detergent solution, or alcoholic ...), or non-aqueous polar solvents (acetone, alcohol, ...), or apolar solvents (hydrocarbons such as essence, ether, white spirit ).
  • a protective film comprising patterns printed with an ink composition incorporating at least one hydrocarbon-soluble pigment.
  • reagent compositions that can be incorporated into papers, which are normally colorless, but react upon contact with a solvent to color.
  • the polar solvent reagents are stained black and the apolar solvent reactants are stained blue. These reagents therefore make it possible to reveal an attempt to attack the paper with a solvent. They nevertheless have several disadvantages. In the first place, their reactivity decreases over time until it disappears, so that they can not provide long-term protection. Second, the coloring reaction in contact with the solvents implements poorly controlled chemical processes, and the reactivity of the reagents is not constant according to the manufacture, so that one is never sure that the amount of reagents incorporated into the paper during its manufacture effectively triggers the reaction. In other words, these colored reagents can not be used with great reliability.
  • these reagents generally react with the adhesive compositions, which themselves contain solvents, plasticizers and wetting agents, so that they are not compatible with a film-on-bonding protection. the paper since a reaction is triggered during the application and taking of the adhesive, and even after setting.
  • Ink compositions incorporating reactive pigments which change color in contact with a solvent are also known.
  • these reactive pigments react to the adhesive compositions.
  • these pigments are also limited in number and nuance so that they offer a low variety of colors and effects, and can be detected by an informed observer.
  • the invention therefore aims to overcome these drawbacks by proposing a method and a product for protecting an object with the aid of a film adhered to one face of the object by means of which the attempts to detach the film by etching with solvents can be reliably, irreversibly revealed over a long period of time (without substantially reducing the efficiency of the detection over time), and this in a manner compatible with the bonding of the film on the object.
  • the invention also aims to prevent this protection function (by revealing attempts to detach the film) can not be detected in advance in the protected object, including simple visual observation by sophisticated fraudsters.
  • the invention also aims at enabling the realization of security prints with the aid of an ink composition incorporating this protection function by revealing attempts to attack polar solvents and / or apolar solvents, and which allows obtain all the desired patterns, colors and effects, as in the case of a traditional ink.
  • the invention also aims at providing a method of manufacturing a protection product according to the invention and an object protected by a protection method according to the invention.
  • the invention also aims to achieve these goals simply and economically, particularly by silk screen printing.
  • the invention relates to a method of protecting an object according to claim 1.
  • the invention also extends to the product obtained by the manufacturing method according to the invention. It therefore also relates to a product according to claim 16.
  • the invention also extends to the protected object by a protection method according to the invention. It therefore also relates to an object according to claim 25.
  • the invention also relates to a protection method, a manufacturing method, a product and an object characterized in combination by all or some of the characteristics mentioned above or below.
  • the protection product represented figure 1 comprises a support 1 of synthetic material, for example polystyrene, bearing a thin protective film 2 made of synthetic material, preferably transparent, an adhesive layer 3, a security printing 4 incorporated into reserves formed in the thickness of the adhesive layer 3, and a protective release paper 5 covering the adhesive layer 3.
  • a support 1 of synthetic material for example polystyrene
  • a thin protective film 2 made of synthetic material, preferably transparent
  • an adhesive layer 3 preferably transparent
  • a security printing 4 incorporated into reserves formed in the thickness of the adhesive layer 3
  • a protective release paper 5 covering the adhesive layer 3.
  • the film 2 is, in the example shown, a multilayer film comprising two polyurethane layers 2a, 2b, interposed between them, an interleaving 6 of security reasons which may be authentication and / or anti- photocopying and / or anti-counterfeiting and / or anti-forgery or other.
  • This film 2 can be manufactured by successive screen printing as described for example in EP-0271941 or US 5232527 directly made on the support 1 of polystyrene.
  • the support 1 is a so-called non-adherent type of support, that is to say capable of developing only weak binding forces with most of the polymers.
  • it is a polystyrene sheet with a basis weight of about 120 g / m 2 .
  • This support 1 is chosen in a format exceeding that of the surface 8 of the object 9 to be protected.
  • the film 2 may be manufactured by successive serigraphic printing on this support 1 by means of traditional screen printing machines of the cutter type (hinged screen) or of the type with integral lifting screen (moving screen in translation).
  • the support 1 is placed on the plate of the screen printing machine and the screen thereof is lined with a liquid mixture previously prepared from a hydroxylated polyol and an isocyanate.
  • polyacrylic resin "U 8560 reference” and trimerized hexamethylene diisocyanate "U 8580 reference” marketed by CHIMITEC Laboratories (FRANCE)
  • the amount of mixture spread on the screen is adjusted according to the thickness that it is desired to obtain at each layer.
  • the first layer 2a of continuous polyurethane varnish is thus printed in a format corresponding to that of the face 8 of the object 9 to be protected, for example rectangular in the case where the object is an official document such as a passport or a document. identity card having a rectangular face 8 to protect.
  • This interleaving 6 can be made either from a traditional ink composition or even from an ink composition according to the invention incorporating a binder comprising at least one soluble liquid polar solvents and / or to nonpolar solvents as described below.
  • a discontinuous security printing 4 is then carried out on the second layer of polyurethane varnish 2b, after a polymerization time of between 12 and 24 hours under the standard conditions of temperature and hygrometry. This time is determined so that the layer of polyurethane varnish 2b is both sufficiently partially polymerized to avoid any chemical interaction between this varnish 2b and the binder of the security printing 4, and nevertheless to allow the correct realization of the safety printing 4 on the varnish layer 2b (in particular avoiding screen smear phenomena). It should also be noted that the security printing 4 is carried out before the complete polymerization of the varnish layer 2b.
  • Transparent adhesive material is then produced in order to obtain the adhesive layer 3 by leaving reserves in the thickness of this adhesive layer 3 around the reasons of the security printing 4.
  • this adhesive layer is also produced. printing adhesive material 3 before the complete polymerization of the last layer 2b of the film 2.
  • an ink composition suitable for producing a screen printing that is to say formed of a liquid solution with a viscosity of between 0.1 Pa.s and 100 Pa, is used. s -notably between 0.5 and 2.5 Pa. s-.
  • This ink composition comprises at least one pigment, and a binder which is adapted to convey the pigment (s), and to form a solid, hard printing layer after drying.
  • binder denotes any liquid composition adapted to be able to convey at least one pigment during a printing step, and to harden under curing conditions. According to the invention, the binder is of curable type by air drying.
  • This binder incorporates at least one agent, said soluble agent, which is distinct from a pigment, and which is adapted to dissolve at least under standard conditions of pressure temperature, that is to say under a pressure of order of one atmosphere (10 5 Pa) and a temperature of the order of 23 ° C, in any polar and / or apolar liquid solvent capable of allowing the release of the adhesive when placed in contact with the adhesive after gluing.
  • the amount of agent (s) soluble in the binder is adapted so that the security impression, solid and hard after drying, can form at least one visible task, revealing any attempt to detach with the help of at least one such solvent, when this solvent comes into contact with this solid security impression.
  • the soluble agent is also soluble in said solvents in a sufficiently wide pressure and temperature range around the standard conditions, in particular between 0.9 and 1.1 atmospheres (0.9 ⁇ 10 5 Pa at 1.10 ° C. 5 Pa) and between 10 ° C and 30 ° C.
  • the (the) soluble agent (s) is (are) chosen (s) in particular according to the nature of the adhesive used to stick the film 2 on the face 8 of the object 9, which, itself, determines the families of liquid solvents that can be used by the fraudsters to effect a detachment after bonding the film 2 to the object 9.
  • the ink compositions which are like varnishes, are, after curing, much less soluble in the polar and / or nonpolar liquid solvents than the adhesives. Consequently, there is a very large number of solvents which are capable of dissolving the adhesives after drying, without be able to dissolve the traditional ink compositions after drying.
  • the incorporation of at least one soluble agent in the binder of an ink composition according to the invention thus makes it possible to make the security impression 4 at least as soluble, after drying, as the adhesive used to glue the film 2 on the face 8 of the object 9.
  • a soluble agent which (i) has a high solubility in the majority of polar and / or apolar solvents, (ii) is compatible with the composition of ink and with its implementation to carry out the security printing 4, and (iii) does not dissolve in the adjacent layers (film 2 and / or adhesive 3 and / or face 8 of the object 9) during the manufacture of the protective product or when it is applied to an object 9 to be protected.
  • the adhesives used in the protective products are acrylic resins or vinyl polyacetates (VAS) which have a relatively high solubility.
  • VAS vinyl polyacetates
  • at least one soluble agent chosen from the group of alkyl acrylates, alkyl methacrylates, their polymers and copolymers is used.
  • This group thus corresponds to that of vinyl compounds, in particular vinyl thermoplastic resins incorporating carboxylic ester functions, that is to say alkyl carboxylates.
  • the alkyl group of the carboxylate functions is an aliphatic alkyl comprising at least two carbon atoms.
  • solubility of these vinyl compounds in many solvents increases with the length of the alkyl chain, with the number of carboxylate functions, and, in the case of a polymer or a copolymer, with the degree of association between them monomer molecules (s).
  • isobutyl polymethacrylate is used as a soluble agent.
  • Such a compound achieves an advantageous compromise by solvent-resistant adhesives based on acrylic or EVA but remaining soluble with a solubility similar to that of these adhesives in solvents likely to peel off these adhesives, including solvents based on aliphatic hydrocarbons.
  • soluble agent at least one chemical compound having a low molecular weight-in particular less than 5000-, which will be soluble in the majority of polar and / or apolar solvents.
  • this soluble agent may be solubilized in a solvent which is a volatile solvent (drying in ambient air or in hot air), for example propylene carbonate.
  • a solvent which is a volatile solvent (drying in ambient air or in hot air), for example propylene carbonate.
  • Said solvent is of the air-drying type insofar as a multicomponent or photopolymer or chemical drying solvent would be capable of generating compounds with long carbon chains which will not be subsequently soluble in the polar solvents and / or in the apolar solvents.
  • the binder of the liquid ink composition used to make a security impression may be formed of several different soluble agents that are in solution in the same solvent, or even a mixture of several liquid compositions each containing at least one soluble agent. which is in solution in a particular solvent (provided that the different solvents of the various liquid compositions are compatible in a mixture with each other).
  • a binder comprising a soluble agent with aqueous polar solvents (in particular with water), a soluble agent with non-aqueous polar solvents (especially with alcohols), and a soluble agent with apolar solvents (in particular with hydrocarbons).
  • binder compositions incorporating one or more such soluble agents can be used.
  • the binder can be formed from just one of these two solutions. It is thus possible to use each of these solutions in a proponion of 0% to 100% by volume.
  • the binder comprises a volatile solvent that can be used as a volatile solvent for the ink composition for performing security printing.
  • the ink composition is then formed of the mixture of one or more binder (s) such (s) as mentioned above and one or more pigments.
  • the binder may also comprise a non-zero proportion of agents other than soluble agents and their solvents, for example retarding agents, wetting agents, antifoaming agents, etc.
  • the amount of agent (s) soluble in the binder must be sufficient for the security printing 4 to dissolve and form a task visible to the eye when placed in contact with a solvent likely to dissolve the adhesive. It must also be weak enough to allow the implementation of the ink composition to achieve security printing 4.
  • the solids content of the binder comprises a proportion of soluble agent (s), generally between 90% and 95% (volumes) such that, after drying, the printing layer formed by the Security printing 4 comprises at least 25% -in particular between 25% and 90% -of soluble agent (s).
  • the binder must also be adapted to be compatible with the pigment or the different pigments (distinct from the binder and thus from the soluble agent (s)) incorporated in the ink composition.
  • a pigment it is possible to use one or more pigment (s) visible in visible light and / or one or more invisible pigment (s) under visible light and photoluminescent (s) under illumination by less a non-visible light source, for example a source of ultraviolet rays.
  • the security printing can be carried out in one or more passes, in particular to obtain colored patterns.
  • the security printing can be of discontinuous type and have the form of a frame (formed of distinct points more or less tight, deposited in a uniform density or not), or patterns (images, signs, letters .... .). It can also be a uniform continuous type printing, extending opposite the entire surface of the film 2.
  • a multilayer complex product capable of being applied to an object 9 to be protected is obtained.
  • the adhesive layer 3 and the security printing 4 are covered with a non-adhering protective sheet, for example, silicone removable paper.
  • a non-adhering protective sheet for example, silicone removable paper.
  • the adhesive layer 3 can be formed from any adhesive composition. It may be in particular a pressure-sensitive adhesive (self-adhesive) such as an acrylic adhesive composition, in particular of the type sold by the Laboratoires CHIMITEC (FRANCE) under the reference "AD73EPSR” or a reactivatable adhesive to warm printed at room temperature compatible with the polyurethane varnish layer 2b, especially a thermoactivated adhesive formed of an aqueous dispersion copolymer such as an adhesive reference "ADTH50" or "ADTH21” marketed by Laboratoires CHIMITEC (FRANCE).
  • a pressure-sensitive adhesive self-adhesive
  • an acrylic adhesive composition in particular of the type sold by the Laboratoires CHIMITEC (FRANCE) under the reference "AD73EPSR”
  • FRANCE a reactivatable adhesive to warm printed at room temperature compatible with the polyurethane varnish layer 2b
  • a security print 4 is made at the periphery of the film 2 and in particular at its corners in the case of a rectangular film. It is indeed by the corners that fraud attempts are generally initiated.
  • the figure 4 represents a second embodiment of the product according to the invention, similar to that of the figure 1 , except that the adhesive layer 3 is a continuous layer extending over the entire surface of the film 2, and a security printing 4 is subsequently performed directly on this adhesive layer 3. To do this it is necessary that this layer of adhesive 3 is a layer of heat-sealable adhesive without "tac", that is to say without initial instant adhesion.
  • the third embodiment shown figure 5 differs from the previous in that the security printing 4 is performed first on the second layer 2b of polyurethane varnish, then the adhesive layer 3 is printed on top of the security printing 4. In this mode of In this embodiment, any adhesive layer 3 may be used, as in the case of the first embodiment.
  • the adhesive compositions that can be printed by screen printing incorporate solvents, it is found in practice that it is possible to screen-print an adhesive layer 3 on a security printing 4 incorporating a soluble agent-in particular an isobutyl polymethacrylate-or, conversely, a security impression 4 on such an adhesive layer 3, without the binder of the ink composition according to the invention (incorporating at least one soluble agent) used for the security printing 4 does not dissolve in contact with the solvent of the adhesive layer, even when the binder of the security printing dissolves when it is subsequently brought into contact with a solvent as shown figure 3 .
  • the embodiment of the figure 6 avoids, in cases where it is deemed necessary, contacting the security printing 4 with an adhesive before the film 2 is placed on the object 9.
  • a film is used. protection 2 similar to the one shown figure 1 and comprising a continuous adhesive layer 3, this film 2 being carried by a support 1 of polystyrene and the adhesive layer 3 being coated with a protective silicone paper 5.
  • This product therefore constitutes a traditional product as described in EP-0271941 or US 5232527 .
  • Security printing 4 is carried out with an ink composition as described above (incorporating at least one pigment and a binder comprising at least one agent soluble in polar solvents and / or in apolar solvents) not on the film itself, but on the object 9, that is to say on the face 8 of the object 9 to protect.
  • the film 2 is then applied to the face 8 by covering the security print 4 to obtain the protected object 9 as represented figure 7 .
  • the figure 8 represents another variant embodiment in which the security printing 4 is carried by the film 2, while the adhesive layer 3 is made on the face 8 of the object 9.
  • the protected object 9 is obtained. which represents figure 9 which incorporates security printing 4.
  • the figure 10 represents a fourth embodiment of the invention in which the protective film consists of a monolayer film, for example transparent polyester carrying a polyethylene layer 11 forming a heat-sealable adhesive. On this layer 11 of heat-sealable adhesive, a discontinuous security printing 4 was made by screen printing as described above.
  • the figure 11 represents a fifth embodiment in which a continuous security print 12 is directly made on a monolayer film of synthetic material such as polyester or polypropylene, and then this security print 12 is covered with a layer of adhesive 13 which may be a self-adhesive or a heat-sealable adhesive.
  • This adhesive layer 13 is deposited by screen printing, as the security printing 12.
  • the security printing 12 extends over the entire surface of the adhesive layer 13, at least substantially in the same format as the film
  • This security impression 12 is made with an ink composition comprising at least one pigment and a binder comprising at least one agent soluble in polar solvents and / or in apolar solvents, as described above.
  • a visible pigment in visible light, but photoluminescent in invisible light, for example a photoluminescent pigment under ultraviolet. It is also possible to use one or more visible pigments.
  • the multilayer complex formed of the film 10, the adhesive layer 13 and the security printing 12 may be completely transparent (for example, a photoluminescent pigment under ultraviolet light) or translucent (in the case of a low-dose visible pigment) ) or opaque (case of a highly dosed visible pigment), depending on the intended applications.
  • the set In the case of the application as a protection against falsification of variable inscriptions on official documents, the set must be transparent to allow the vision of said variable inscriptions to be seen normally.
  • the complex In the case of an application as authentication or guarantee of integrity of a document or a package, the complex may be translucent or opaque.
  • the film 2, 10 is itself transparent so as to allow the visualization of the tasks resulting from the solubilization of the security printing 4, 12 in case of attempted fraud.
  • this is not strictly necessary in certain applications where it is sufficient to detect fraud attempts only after the film has peeled off.
  • the adhesive layer 13 and the continuous security printing 12 may be associated not by screen printing, but by other printing methods, for example by rolling in continued.
  • a non-stick protective paper 14 is also provided on the last layer of the protective product.
  • the figure 12 represents another variant embodiment in which security prints 15, 16 are made not on a protective film or on the object 9 to be protected, but on an intermediate film 17 formed of one or more layers of adhesive or Such an intermediate film 17 carried by its support 18 forms an intermediate sheet which can in particular be used for the realization of variable inscriptions, as described for example in FIG. FR-2763-889 .
  • a security impression similar to that described above (incorporating at least one agent soluble in polar solvents and / or apolar solvents) is first made on the support 18, and then printed a first layer of varnish 17a covering the first security print 15, then a continuous layer of heat-activatable adhesive 17b is printed, then a second security print 16 is printed on said heat-activatable adhesive layer 17b.
  • variable labels 19 were also printed by any desired printing means (manual, laser printing, inkjet printing, etc.).
  • the support 18 itself may be a paper and / or a monolayer synthetic film or multilayer non-adherent on most polymers, including a polystyrene support.
  • the object 9 to be protected initially bears, on its face 8 to protect, inscriptions 20.
  • the protective film used in this variant may be a monolayer polyurethane film 22 produced by screen printing on a polystyrene support 21 with a continuous adhesive layer 23 such as described in EP-0271941 or US 5232527 .
  • the adhesive layer 23 is nevertheless preferably formed of a heat-reactive adhesive.
  • the intermediate film 17 is hot laminated on the face 8 of the support 9 to be protected, then the support 18 is removed, then the film 22 is hot-rolled on this intermediate film 17, then the support 21 is removed. see, the security prints 15, 16 are interposed between the film 22 and the object 9.
  • the figure 14 represents an alternative embodiment similar to the figure 12 but in which the intermediate film 24 is formed of a single layer 24 of polyurethane varnish produced by screen printing on the support 18. A security impression 25 is then made on this intermediate film 24. A second security impression 26 is also performed on the adhesive layer 23 of the film 22.
  • the object 9 to be protected carries a layer of adhesive 27 previously made on its face 8 in overlap of the inscriptions 20.
  • the layers of adhesive 23, 27 in this variant embodiment may be pressure-sensitive self-adhesive or heat-activatable adhesives.
  • the intermediate film 24 is applied to the adhesive layer 27 of the object 9, the support 18 is removed, then the film 22 is applied to the intermediate film 24, then the support 21 is removed.
  • the prints 25, 26 are interposed between the film 22 and the object 9.
  • the protection product according to the invention is formed in two parts: the film 22 on its support 21 and the intermediate film 17, 24 on its support 18.
  • the security prints 15, 16, 25, 26 are not all realized on the film itself, but also on the support 18 of the intermediate film and / or on this intermediate film itself, which thus act as print media for these security prints.
  • the security prints are printed on printing media (film and / or intermediate film and / or film support or intermediate film) which are adapted to allow each print to be interposed. security 15, 16, 25, 26 between the film 22 and the object 9.
  • Each protective product is glued on a security paper of 80g / m 2 comprising 50% cotton and 50% wood, ref. PIC-TEST provided by ARJOWIGGINS APPLETOWN (FRANCE).
  • the invention can be the subject of numerous variants with respect to the embodiments and variants described above which can be combined with one another.

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  • General Chemical & Material Sciences (AREA)
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  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Laminated Bodies (AREA)
  • Printing Methods (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Holo Graphy (AREA)
  • Paper (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Claims (32)

  1. Verfahren zum Schützen eines Gegenstandes, bei dem eine dünne Schutzfolie (2, 10, 22) aus einem synthetischen Material mittels einer Klebstoffschicht (3, 11, 13, 17b, 23, 27), die sich zwischen der Schutzfolie (2, 10, 22) der genannten Fläche (8) und dem Gegenstand (9) befindet, auf eine Fläche (8) des Gegenstands (9) geklebt wird, um diesen vor Fälschung zu schützen und/oder um seine Unversehrtheit zu prüfen und/oder zu garantieren, dadurch gekennzeichnet, dass zwischen der Folie (2, 10, 22) und der genannten Fläche (8) des Gegenstandes (9) wenigstens ein Druck, Sicherheitsdruck (4, 12, 15, 16, 25, 26) genannt, vorgesehen wird, der mit einer Farbzusammensetzung realisiert wird, die wenigstens ein Pigment und ein durch Trocknen an der Luft härtbares Bindemittel enthält, wobei dieses Bindemittel die Aufgabe hat, nach dem Trocknen eine feste Druckschicht zu bilden, wobei dieses bindemittel wenigstens ein Mittel, lösliches Mittel genannt, beinhaltet, das sich von einem Pigment unterscheidet und so gestaltet ist, dass es sich wenigstens unter standardmäßigen Temperatur- und Druckbedingungen nach dem Trocknen des Bindemittels in jedem flüssigen polaren und/oder apolaren Lösungsmittel auflöst, das ein Ablösen des Klebstoffs zulassen kann, wenn es nach dem Kleben mit diesem Klebstoff (3, 11, 13, 17b, 23, 27) in Kontakt gebracht wird, wobei die Menge an löslichem/n Mittel(n) in dem Bindemittel so gewählt wird, dass der Sicherheitsdruck wenigstens einen sichtbaren Fleck bilden kann, der jeden Ablöseversuch mit Hilfe von wenigstens einem solchen Lösungsmittel zeigt.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass wenigstens ein lösliches Mittel ausgewählt ist aus Alkylacrylaten, Alkylmethacrylaten, deren Polymeren und Kopolymeren.
  3. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass als lösliches Mittel Isobutylpolymethacrylat verwendet wird.
  4. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass eine Farbzusammensetzung verwendet wird, in der wenigstens ein lösliches Mittel aus einer chemischen Verbindung gebildet ist, die eine geringe Molekülmasse, insbesondere von weniger als 5000, hat.
  5. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass zum Erzeugen eines Sicherheitsdrucks (4, 12, 15, 16, 25, 26) ein Bindemittel verwendet wird, das eine flüssige Lösung umfasst, die ein an der Luft trocknendes flüchtiges Lösungsmittel und wenigstens ein lösliches Mittel umfasst.
  6. Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass zum Erzeugen eines Sicherheitsdrucks (4, 12, 15, 16, 25, 26) eine Siebdruckgrundfarbe verwendet wird, die wenigstens ein lösliches Mittel in Lösung mit einem Lösungsmittel umfasst, das wenigstens 10 Vol.-% Propylencarbonat enthält.
  7. Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass zum Erzeugen eines Sicherheitsdrucks (4, 12, 15, 16, 25, 26) ein Bindemittel verwendet wird, das ein in Wasser verblassendes Verschnittweiß enthält.
  8. Verfahren nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass ein Sicherheitsdruck (4, 12, 15, 16, 25, 26) auf einer Fläche der Folie (2, 12, 22) realisiert wird, der danach auf den Gegenstand (9) geklebt wird.
  9. Verfahren nach Anspruch 8, dadurch gekennzeichnet, dass die Folie (2, 10, 22) mittels einer zuvor auf die Folie (2, 10, 22) aufgedruckten Klebstoffschicht (3, 11, 12, 17b, 23) geklebt wird.
  10. Verfahren nach Anspruch 9, dadurch gekennzeichnet, dass auf derselben Fläche der Folie (2) ein Sicherheitsdruck (4, 16) und ein Druck einer Klebstoffschicht (3, 17b) realisiert werden.
  11. Verfahren nach Anspruch 10, dadurch gekennzeichnet, dass der Druck der Klebstoffschicht (3, 17b) und der Sicherheitsdruck (4, 16) so realisiert werden, dass sie einander nicht überlappen.
  12. Verfahren nach Anspruch 10, dadurch gekennzeichnet, dass die Klebstoffschicht (3) im Siebdruckverfahren gedruckt wird, indem ein zuvor realisierter Sicherheitsdruck (4) bedeckt wird.
  13. Verfahren nach Anspruch 9, dadurch gekennzeichnet, dass ein Sicherheitsdruck (4) ohne anfängliche Soforthaftung auf eine zuvor auf der Folie (2) realisierte Klebstoffschicht (3) gedruckt wird.
  14. Verfahren nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass ein Sicherheitsdruck (4, 12, 15, 16, 25, 26) im Siebdruckverfahren hergestellt wird.
  15. Verfahren nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass zum Herstellen eines Sicherheitsdrucks (4, 12, 15, 16, 25, 26) wenigstens ein Pigment verwendet wird, das ausgewählt wird aus Pigmenten, die unter sichtbarem Licht sichtbar sind, und Pigmenten, die unter Beleuchtung mit sichtbarem Licht unsichtbar sind und unter Beleuchtung mit wenigstens einer nicht sichtbaren Lichtquelle fotolumineszent sind.
  16. Produkt zum Schützen eines Gegenstands, der eine dünne Schutzfolie (2, 10, 22) aus synthetischem Material umfasst, umfassend eine Klebstoffschicht (3, 11, 13, 17b, 23, 27) zum Kleben auf eine Fläche (8) des Gegenstands (9), um diesen vor Fälschung zu schützen und/oder um seine Unversehrtheit zu prüfen und/oder zu garantieren, und einen Sicherheitsdruck (4, 12, 15, 16, 25, 26), der wenigstens aus einer festen Druckzusammensetzung hergestellt ist, die wenigstens ein Pigment in einem Bindemittel enthält, dadurch gekennzeichnet, dass es wenigstens einen Sicherheitsdruck (4, 12, 15, 16, 25, 26) umfasst, der mit einer festen Druckzusammensetzung hergestellt ist, die wenigstens ein Pigment und ein gehärtetes Bindemittel umfasst, wobei dieses Bindemittel wenigstens ein Mittel, lösliches Mittel genannt, beinhaltet, das sich von einem Pigment unterscheidet und das so gestaltet ist, dass es sich unter standardmäßigen Temperatur- und Druckbedingungen in jedem flüssigen polaren und/oder apolaren Lösungsmittel auflöst, das das Ablösen des Klebstoffs zulässt, wenn es nach dem Kleben mit dem Klebstoff (3, 11, 13, 17b, 23, 27) in Kontakt gebracht wird, wobei die Menge des/der löslichen Mittel(s) in dem Bindemittel so gewählt wird, dass der Sicherheitsdruck wenigstens einen sichtbaren Fleck bilden kann, der einen Ablöseversuch mit Hilfe von wenigstens einem solchen Lösungsmittel zeigt.
  17. Produkt nach Anspruch 16, dadurch gekennzeichnet, dass wenigstens ein lösliches Mittel aus Alkylacrylaten, Alkylmethacrylaten, deren Polymeren und Kopolymeren ausgewählt wird.
  18. Produkt nach Anspruch 17, dadurch gekennzeichnet, dass das Bindemittel als lösliches Mittel ein Isobutylpolymethacrylat beinhaltet.
  19. Produkt nach einem der Ansprüche 16 bis 18, dadurch gekennzeichnet, dass wenigstens ein lösliches Mittel aus einer chemischen Verbindung gebildet ist, die eine geringe Molekülmasse, insbesondere von weniger als 5000, hat.
  20. Produkt nach einem der Ansprüche 16 bis 19, dadurch gekennzeichnet, dass es einen diskontinuierlichen Sicherheitsdruck (4, 15, 16, 25, 26) umfasst, der die Form eines Rasters oder von Motiven hat.
  21. Produkt nach einem der Ansprüche 16 bis 20, dadurch gekennzeichnet, dass es einen kontinuierlichen Sicherheitsdruck (12) umfasst, der sich über die gesamte Oberfläche der Folie (10) erstreckt.
  22. Produkt nach einem der Ansprüche 16 bis 21, dadurch gekennzeichnet, dass die Folie (2, 10, 22) ausgewählt ist aus einer einschichtigen Folie, einer mehrschichtigen Folie, die eine Übereinanderlage von Siebdruckschichten aus Firnis und/oder Farben umfasst, und einem mehrschichtigen Komplex aus übereinander liegenden synthetischen Massen.
  23. Produkt nach einem der Ansprüche 16 bis 22, dadurch gekennzeichnet, dass die Folie (2, 10, 22) aus wenigstens einer synthetischen Masse gebildet ist, die aus einem Polyurethan, einem Polyester, einem Polystyrol, einem Polypropylen und einem Polyethylen ausgewählt ist.
  24. Produkt nach einem der Ansprüche 16 bis 23, dadurch gekennzeichnet, dass die Folie (2, 10, 22) eine globale Dicke zwischen 5 und 500 Mikron hat.
  25. Gegenstand, der eine dünne Schutzfolie (2, 10, 22) aus synthetischem Material umfasst, die mit einer Klebstoffschicht (3, 11, 13, 17b, 23, 27) auf eine Fläche (8) des Gegenstands (9) geklebt wurde, die sich zwischen der Schutzfolie (2, 10, 22) der genannten Fläche (8) und dem Gegenstand (9) befindet, um diesen vor Fälschung zu schützen und/oder um seine Unversehrtheit zu prüfen und/oder zu garantieren, dadurch gekennzeichnet, dass er zwischen der Folie (2, 10, 22) und der genannten Fläche (8) des Gegenstands (9) wenigstens einen Druck, Sicherheitsdruck (4, 12, 15, 16, 25, 26) genannt, aufweist, der mit einer festen Druckzusammensetzung hergestellt ist, die wenigstens ein Pigment und ein gehärtetes Bindemittel enthält, wobei dieses Bindemittel wenigstens ein Mittel, lösliches Mittel genannt, beinhaltet, das sich von einem Pigment unterscheidet und das so gestaltet ist, dass es sich wenigstens unter standardmäßigen Temperatur- und Druckbedingungen nach dem Trocknen des Bindemittels in jedem flüssigen polaren und/oder apolaren Lösungsmittel auflöst, das das Ablösen des Klebstoffs zulässt, wenn es nach dem Kleben mit diesem Klebstoff (3, 11, 13, 17b, 23, 27) in Kontakt gebracht wird, wobei die Menge des/der löslichen Mittel(s) in dem Bindemittel so gewählt wird, dass der Sicherheitsdruck wenigstens einen sichtbaren Fleck bilden kann, der jeden Ablöseversuch mit Hilfe von wenigstens einem solchen Lösungsmittel zeigt.
  26. Gegenstand nach Anspruch 25, dadurch gekennzeichnet, dass wenigstens ein lösliches Mittel aus Alkylacrylaten, Alkylmethacrylaten, deren Polymeren und Kopolymeren ausgewählt wird.
  27. Gegenstand nach Anspruch 26, dadurch gekennzeichnet, dass das Bindemittel als lösliches Mittel Isobutylpolymethacrylat beinhaltet.
  28. Gegenstand nach einem der Ansprüche 25 bis 27, dadurch gekennzeichnet, dass wenigstens ein lösliches Mittel aus einer chemischen Verbindung gebildet ist, die eine geringe Molekülmasse, insbesondere von weniger als 5000, hat.
  29. Gegenstand nach einem der Ansprüche 26 bis 28, dadurch gekennzeichnet, dass ein Sicherheitsdruck (4, 15, 16, 25, 26) diskontinuierlich ist und die Form eines Rasters oder von Motiven hat.
  30. Gegenstand nach einem der Ansprüche 26 bis 29, dadurch gekennzeichnet, dass ein Sicherheitsdruck (12) kontinuierlich ist und sich über die gesamte Oberfläche der Folie (10) erstreckt.
  31. Gegenstand nach einem der Ansprüche 26 bis 30, dadurch gekennzeichnet, dass die Folie (2, 10, 22) eine globale Dicke zwischen 5 und 500 Mikron umfasst.
  32. Gegenstand nach einem der Ansprüche 26 bis 31, dadurch gekennzeichnet, dass ein Sicherheitsdruck (4, 12, 15, 16, 25, 26) wenigstens ein Pigment umfasst, das ausgewählt ist aus Pigmenten, die unter sichtbarem Licht sichtbar sind, und Pigmenten, die unter Beleuchtung mit sichtbarem Licht unsichtbar sind und unter Beleuchtung mit wenigstens einer nicht sichtbaren Lichtquelle fotolumineszent sind.
EP00927347A 1999-05-21 2000-05-17 Sicherheitsprodukt und -verfahren zum schutz eines gegenstandes mittels einem sicherheitsdruck der ein lösbares bindemittel enthält Expired - Lifetime EP1109675B2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9906500 1999-05-21
FR9906500A FR2793726B1 (fr) 1999-05-21 1999-05-21 Procede et produit de protection d'un objet par une impression de securite a liant soluble, procede de fabrication de ce produit et objet obtenu
PCT/FR2000/001312 WO2000071361A1 (fr) 1999-05-21 2000-05-17 Procede et produit de protection d'un objet par une impression de securite a liant soluble

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EP1109675A1 EP1109675A1 (de) 2001-06-27
EP1109675B1 EP1109675B1 (de) 2006-03-01
EP1109675B8 EP1109675B8 (de) 2006-06-28
EP1109675B2 true EP1109675B2 (de) 2010-04-14

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US (1) US6592972B1 (de)
EP (1) EP1109675B2 (de)
AT (1) ATE318717T1 (de)
CA (1) CA2337330C (de)
DE (1) DE60026289T3 (de)
ES (1) ES2258454T5 (de)
FR (1) FR2793726B1 (de)
WO (1) WO2000071361A1 (de)

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GB2128581A (en) † 1982-09-28 1984-05-02 Bdk Ind Prod Ltd Self-adhesive transparent film
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GB2128581A (en) † 1982-09-28 1984-05-02 Bdk Ind Prod Ltd Self-adhesive transparent film
EP0105581A2 (de) † 1982-10-04 1984-04-18 Decoflex Limited Säcke
US4726608A (en) † 1986-08-05 1988-02-23 Scientific Games Of California, Inc. Information bearing article with tamper resistant scratch-off opaque coating
DE4220344A1 (de) † 1992-06-24 1994-01-05 Trautwein Gmbh & Co Gegen Vervielfältigung und/oder mißbräuchliche Entfernung und Wiederverwendung geschützte Plakette
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US10239336B2 (en) 2013-05-13 2019-03-26 Fasver Method and device for the secure protection of an official document and official document thus protected

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FR2793726B1 (fr) 2001-08-03
CA2337330C (fr) 2009-07-28
ES2258454T5 (es) 2010-08-25
EP1109675A1 (de) 2001-06-27
ATE318717T1 (de) 2006-03-15
FR2793726A1 (fr) 2000-11-24
DE60026289T2 (de) 2006-09-14
WO2000071361A1 (fr) 2000-11-30
CA2337330A1 (fr) 2000-11-30
ES2258454T3 (es) 2006-09-01
DE60026289D1 (de) 2006-04-27
DE60026289T3 (de) 2010-11-25
EP1109675B8 (de) 2006-06-28
US6592972B1 (en) 2003-07-15
EP1109675B1 (de) 2006-03-01

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