EP3154796A1 - Procédé de fabrication d'un support de données multicouche à inscriptions métallisées réfléchissantes - Google Patents
Procédé de fabrication d'un support de données multicouche à inscriptions métallisées réfléchissantesInfo
- Publication number
- EP3154796A1 EP3154796A1 EP15729803.5A EP15729803A EP3154796A1 EP 3154796 A1 EP3154796 A1 EP 3154796A1 EP 15729803 A EP15729803 A EP 15729803A EP 3154796 A1 EP3154796 A1 EP 3154796A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reflective
- metallized
- transparent
- layer
- printing
- 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.)
- Withdrawn
Links
Classifications
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- 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
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- 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
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- 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
- B42D25/337—Guilloche patterns
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- 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
- B42D25/351—Translucent or partly translucent parts, e.g. windows
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- 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
- B42D25/373—Metallic materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/45—Associating two or more layers
- B42D25/46—Associating two or more layers using pressure
Definitions
- the invention relates to a method of manufacturing a multilayer data carrier by hot and pressure lamination of a stack of a plurality of superimposed layers comprising at least one layer of at least one thermoplastic material, said multilayer data carrier. having inscriptions, said reflective metallized markings, having a metallic appearance, at least partially reflecting, and visible from at least one outer face of the multilayer data carrier, said hot lamination being carried out in a temperature range, called range lamination temperature. It extends to the support thus obtained, to its use for the production of an official document, and to an official document thus obtained.
- Official documents are documents which, by reason of their nature and / or the rights they may confer, must be protected against falsification attempts and / or counterfeits and / or to guarantee authentication and / or to guarantee their authenticity. integrity (that is, they have not been altered or modified). This may include: passports, visas, identity cards, driving licenses, gray cards, bank cards, loyalty cards, bank checks, diplomas, certificates, tickets, access control cards, badges, labels, legal acts, contracts, legal registers, fiduciary documents, banknotes, production plans or other plans ...
- the official documents bear inscriptions, such as variable personalization (name, surname, address, photo, signature ... of a holder or parties ...) and / or common references (security reasons, matrices, frames, field names, seals, holograms, signatures, values, ).
- inscription means any sign or pattern made on a layer of a document that can be read by humans and / or by machine (OCR), at least under certain conditions (especially under normal lighting conditions). in visible light, and / or under specific lighting, and / or after activation of a electronic device (screen) or other ...) - ⁇ can include particular variable personalization (name, civil status, photograph, value, dates %) of an official document or common mentions and / or of security ; texts (manual writing or printed characters); codes (ASCII, universal codes with optoelectronic readings such as barcodes ...); holograms, drawings, images or photographs; Tasks or flat areas ...
- security inscriptions to prevent or make very complex their reproduction or falsification.
- These security inscriptions may be of the type visible in the visible range by simple observation with the naked eye (first level security); or of the type that can be controlled by a specific device such as an ultraviolet lamp (second-level security); or type that can be controlled only in a certified laboratory (third-level security).
- paper means any sheet obtained by wet process using a suspension of natural cellulose fibers and / or mineral fibers and / or plant fibers and / or polymeric synthetic fibers other than cellulose, which can contain various fillers and additives as used in stationery.
- synthetic paper refers to any paper comprising polymeric synthetic fibers other than cellulose.
- optically superimposed designates layers or portions of layers disposed opposite one another so that a light beam passing through one of them crosses the others. Two such layers or portions of optically superimposed layers can be physically superimposed in contact with each other, or separated by layers or portions of interlayers.
- the expression "at least substantially” indicates, in the usual way, that a characteristic, structural or functional, should not be taken as marking an abrupt discontinuity, which would have no physical meaning, but covers not only this structure or function, but also slight variations of this structure or function which produce, in the technical context considered, an effect of the same nature, if not of the same degree. Furthermore, the expressions “comprising / including one” are synonymous with “comprising / comprising at least one".
- WO2010 / 125316 discloses a metallized film and its method of manufacture using a metallized ink composition printed on a layer having specific surface characteristics.
- the invention therefore aims to overcome these disadvantages by proposing a method of manufacturing a multilayer data carrier laminated hot and under pressure, and a data carrier thus obtained, incorporating reflective metallized markings.
- the object of the invention is more particularly to enable the production of reflective metallized inscriptions, at least a part of which has a line width of less than 500 ⁇ , capable of forming first-level safeties (mini-prints that are discernible to the naked eye) or second level security (Micro-impressions with a line width less than 200 ⁇ not discernible to the naked eye, requiring a magnifying instrument such as a magnifying glass). More particularly, the invention aims to allow the realization of reflective metallized inscriptions chosen from guilloche, patterns of fine lines, and raster images.
- the invention relates to a method of manufacturing a multilayer data carrier by hot and pressure lamination of a stack of a plurality of superimposed layers comprising at least one layer of at least one thermoplastic material, said support multilayer data having inscriptions, said reflective metallized inscriptions, having a metallic appearance, at least partially reflecting, and visible from at least one outer face of the multilayer data carrier, said hot lamination being carried out in a temperature range , said lamination temperature range, characterized in that:
- varnish composition according to a pattern, called base pattern, chosen to be able to receive said reflective metallized markings; , said varnish composition being chosen, after curing, to be transparent and to present:
- said reflective metallized markings are printed in contact with said base pattern of said printing layer with a metallized ink composition
- a metallized ink composition comprising a curable binder incorporating discrete particles, referred to as reflective metallized particles, in the general form of platelets dispersed in the curable binder with a particle size selected to form pigments having an at least partially reflective metallic appearance
- said stack comprising said printing layer, said printing face being opposite to said external face and applied with said reflective metallized inscriptions in contact with another adjacent layer of the stack,
- the invention also extends to a multilayer data carrier obtained by a method according to the invention. It therefore also relates to a multilayer data carrier comprising a plurality of layers superimposed by hot and press lamination, in particular in a temperature range, called the lamination temperature range, comprising at least one layer of at least one thermoplastic material, said multilayer data carrier having inserts, said reflective metallized indicia, having a metallic appearance, at least partially reflective, and visible from at least one outer face of the multilayer data carrier:
- a printed metallized ink comprising a hardened binder incorporating discrete particles, called reflective metallized particles, in the general form of platelets dispersed in the binder with a particle size forming pigments having an at least partially reflective metallic appearance
- a basic pattern printed on a transparent layer called the printing layer, said basic pattern being formed of a transparent varnish having:
- said lamination temperature range is less than 200 ° C, especially between 20 ° C and 180 ° C.
- the maximum temperature of said lamination temperature range is less than 200 ° C, in particular less than or equal to 180 ° C, especially in the case where the layers of said data medium are made of polycarbonate .
- the varnish composition forming said base pattern has no detectable glass transition temperature lower than the maximum temperature of said lamination temperature range.
- At least a part of said reflective metallized markings is printed with a line width of less than 500 ⁇ -notably less than 200 ⁇ - for example of the order of 100 ⁇ to 150 ⁇ .
- at least a portion of the reflective metallized markings comprise patterns selected from guilloche patterns, line patterns and raster images.
- the reflective metallized markings are printed on the base pattern with a peripheral edge of the base pattern with respect to the reflective metallized markings -particularly between 0.5 mm and 3 mm, for example the order of 2 mm- around said reflective metallized markings.
- said basic pattern has a format smaller than the format of the data medium.
- the base pattern therefore extends over only a portion of the face of the print layer.
- the printing layer protects reflective metallized markings from the external environment.
- the printing layer constitutes an outer layer of the multilayer data carrier, forming said outer face of the latter.
- a printing layer of material chosen from the group of transparent thermoplastic materials is used.
- a printing layer of material selected from the group of transparent polycarbonates, transparent polyesters, and transparent PVC.
- said base unit is printed with a varnish composition chosen from the group of UV-cured acrylic clearcoats and volatile solvent-based transparent coats containing acrylic binder and at least one curing agent.
- This varnish composition is also selected to be compatible with the printing layer, and with the adjacent layer on which the printing layer is applied before and during hot and press lamination.
- a metallized ink composition comprising reflective metallized particles selected from vacuum metallized pigments and reflective metal particles.
- a metallized ink composition comprising reflective metallized particles having a mean particle size of between 8 ⁇ and 11 ⁇ is used.
- Any printing technique can be used to print the base pattern and / or the reflective metallized markings, in particular chosen from screen printing, gravure printing, flexography, offset printing, or other.
- a multilayer data carrier according to the invention is formed of layers of at least one material selected from the group of thermoplastic materials and synthetic papers.
- a multilayer data carrier according to the invention may advantageously be formed by hot and pressure lamination of a plurality of layers made of a thermoplastic material chosen from polycarbonates, PVC, synthetic papers, their mixtures and their associations. .
- the invention extends to an official document comprising a data carrier according to the invention, in which at least one external face has reflective metallized markings-in particular reflective metallized markings conforming to at least one of the characteristics mentioned above or following post.
- An official document according to the invention may in particular be chosen from the group consisting of passports, passport sheets, customs cards, visas, identity cards, driving licenses, vehicle registration cards (cards gray cards), bank cards, loyalty cards, bank checks, diplomas, certificates, tickets, access control cards, badges, labels, legal documents, contracts, legal registers, cadastral plans, fiduciary documents, bank notes, packaging and manufacturing plans.
- the invention also relates to a manufacturing method, a data carrier and an official document characterized in combination by all or some of the characteristics mentioned above or below.
- FIGS. 1a and 1b are diagrammatic cross-sectional views of a printing layer of a multilayer data carrier according to the invention respectively at the end of two steps of printing a basic pattern and of reflective metallized markings of a process according to the invention
- FIG. 2 is a schematic cross-sectional view of a multilayer data carrier according to the invention at the end of the hot and press-lamination step of a method according to the invention
- FIG. 3 is a schematic view from above of an exemplary data carrier in accordance with the invention.
- FIG. 2 represents an exemplary data carrier 10 according to the invention after a hot and press-lamination step and ready for use in order to be able to be laser-marked for personalization in view of obtaining an official document according to the invention.
- This data carrier 10 is formed of a stack of a plurality of layers superimposed on each other and having been hot-lamination under pressure.
- the majority of the layers is preferably formed of a thermoplastic material, in particular chosen from polycarbonates, PVC, polyesters (polyethylene terephthalate PET, polyethylene PETG terephthalate glycol), and coextruded polyester and polycarbonate (PEC) films.
- the data carrier 10 is formed of a plurality of polycarbonate layers. None prevents the data carrier incorporates layers of different materials, including layers in a material other than a thermoplastic material, for example paper, more particularly synthetic paper. The total number of layers constituting a data carrier according to the invention is of no importance in the context of the present invention.
- the data carrier 10 is in the general form of a sheet or a card and therefore has two opposite outer planar faces, and a relatively small thickness.
- a main face, said outer face 11 is described and has the characteristics of the invention, it being understood that the other external main face may equally well have the same characteristics, or on the contrary present of other characteristics. Consequently, it is assumed in the following that the opposite face to the outer face 11 considered is an outer main face of a bottom 12 shown in section 2, without implying any limitation, such a bottom 12 can not not be present and / or being itself constituted of a layer or a plurality of layers more or less thick (s) not described (s) in the present description.
- the bottom 12 may be formed of at least one layer of thermoplastic material chosen from polycarbonates, PVCs, polyesters (PET polyethylene terephthalate, polyethylene terephthalate glycol PETG), coextruded polyester and polycarbonate films (PEC ), synthetic papers (especially chosen from the paper marketed under the trademark Teslin® by PPG, Monroeville, USA, the paper marketed under the Neobond® trademark by the company Neenah Lahnstein, Lahnstein, Germany, and the paper marketed under the trademark Polyart® by Arjobex, Boulogne, France). Other examples are possible.
- thermoplastic material chosen from polycarbonates, PVCs, polyesters (PET polyethylene terephthalate, polyethylene terephthalate glycol PETG), coextruded polyester and polycarbonate films (PEC ), synthetic papers (especially chosen from the paper marketed under the trademark Teslin® by PPG, Monroeville, USA, the paper marketed under the Neobond® trademark by the company Neenah Lahnstein, La
- the outer face 11 of the data carrier 10 has different markings representing information (common mentions) and / or constituting security markings intended to enhance the resistance to forgery attempts and / or to prevent reproduction by optical reading.
- the data carrier 10 in particular comprises reflective metallized inscriptions 23, namely in the example shown in FIG. 3 a marking 23a in guilloche form, and a marking 23b in the form of a compass rose. Of course, many other examples are possible.
- the data carrier 10 comprises from the bottom 12:
- a base layer 19 which may for example be formed of an opaque white solid surface (contrasting with all the colored, dark or optically black inscriptions superimposed on this base layer 19 on the side of the outer face 11),
- a sublayer 20 for laser marking sensitive to laser marking radiation in particular to infrared laser radiation, for example at 1064 nm, so as to allow the production of a personalization marking in at least a portion of thickness of this sublayer 20 laser marking under the effect of this laser radiation applied from the outer face 11,
- a transparent printing layer 21 placed overlapping and in contact with the entire surface of the laser marking sub-layer 20.
- the outer face 11 is formed by the printing layer 21.
- the multilayer data carrier 10 is manufactured by hot and pressure lamination of a stack of these different layers, the characteristics of this lamination step being chosen according to the nature and characteristics of the various constituent layers of the stack.
- the Hot and press lamination can be carried out in a lamination press under the following conditions:
- this hot and press lamination has a lamination temperature range of between 20 ° C and 180 ° C.
- a lamination temperature range of between 20 ° C and 180 ° C.
- many other values and conditions for hot lamination and under pressure are possible.
- the laser marking underlayer 20 may extend as a continuous flat surface in the format of the outer face 11 (with the exception of any peripheral shrinkage); or on the contrary be applied as a plurality of separate and disjoint portions, at least opposite locations to receive a laser marking, or only opposite these locations. It may be formed of a thickness of a varnish printed with an ink composition incorporating a marking agent sensitive to laser radiation and / or be chosen from commercialized films ready to be laser-marked, for example a film marketed under Makrofol® ID 6-2 laserable by Bayer Materials Science, Leverkusen, Germany.
- the reflective metallized inscriptions 23 are produced by printing on a transparent base pattern 24 itself printed on the printing layer 21 incorporated in a stack of layers used to form the multilayer data carrier 10 by hot and pressure lamination.
- the printing layer 21 may be formed for example of a transparent thermoplastic material, in particular chosen from polycarbonates, PVCs, polyesters (PET polyethylene terephthalate, polyethylene terephthalate glycol PETG), and coextruded polyester and polyester films. polycarbonate (PEC). So is even different other layers constituting the multilayer data carrier 10.
- the method of manufacturing the data carrier of Figure 2 comprises the following successive steps.
- a transparent base pattern 24 is printed on one, called the printing face 22, of the two faces of the printing layer 21, with shapes and dimensions chosen so as to be able to receive fully reflective metallized markings 23.
- the base pattern 24 may be produced in the form of lines of small width, in particular micro-impressions
- the pattern 24 of The base is preferably printed in the form of at least one solid area in the format of an envelope outline of each surface area comprising reflective metallized markings 23.
- the reflective metallized markings 23 are guilloche
- the transparent base pattern 24 is printed in the envelope outline format of these guilloche with a peripheral edge 26 around that envelope outline.
- the base pattern 24 is printed with a lacquer composition for forming a clear topcoat layer having a very smooth, high surface tension surface, i.e., free of surface defects (such as orange peel, fish eyes or pinholes) and adapted to have a surface tension greater than 40 dynes / cm and a smooth surface with a specular reflection greater than 50% as measured in accordance with ISO 2813 with an angle 60 °.
- a lacquer composition for forming a clear topcoat layer having a very smooth, high surface tension surface, i.e., free of surface defects (such as orange peel, fish eyes or pinholes) and adapted to have a surface tension greater than 40 dynes / cm and a smooth surface with a specular reflection greater than 50% as measured in accordance with ISO 2813 with an angle 60 °.
- a lacquer composition is selected which is free, after curing, of a detectable glass transition by differential thermal analysis in said lamination temperature range.
- varnish composition to ultraviolet or acrylic solvent drying, having a transparency greater than 90%, highly brilliant, for example as sold under the reference UVLG6 by Marabu (www.marabu-druckmaschine.de).
- the varnish composition can be printed on the printing face 22 of the printing layer 21, it is transparent, it has the surface state mentioned above. above and no glass transition temperature that can be detected in the lamination temperature range.
- This layer of transparent varnish forming the base pattern 24 can be tinted and / or cover a tinted varnish layer previously made (not shown in the figures), to change the metal effect obtained.
- an ultraviolet-drying transparent varnish composition as mentioned above in which 1% to 25% of an ultraviolet-drying ink is added, for example a yellow-gold-colored ink as marketed by the company Tiflex (Poncin, France) under the reference 3 * 5559.
- Tiflex Piericin, France
- the reflective metallized markings 23 are printed on the smooth face of the base pattern 24.
- a reflective metallized ink composition is used as indicated for example by WO 2010/125316 or US8526086.
- a reflective metallized ink composition comprising a charge of reflective metallized particles having a reflective metallic appearance, dispersed in a curable binder composition which may be formed of a conventional transparent printing ink, e.g. transparent solvent ink marketed by Mistral Graphie (Carcassonne, France).
- the reflective metallized ink layer is printed as a traditional ink layer, on the surface of the lacquer layer forming the surface high voltage base pattern 24 and having a very smooth surface, especially a higher surface tension. at 40 dynes / cm and a smooth surface with a specular reflection greater than 50%, measured according to ISO 2813 with an angle of 60 °.
- Said charge of reflective metallized particles may incorporate particles in the general form of platelets, for example in the form of petals, chips or shards, which have themselves been previously manufactured by vacuum metallization.
- Such particles can be obtained by sublimation under vacuum and vaporization of aluminum metal on a support such as a polyester film, the thin aluminum layer obtained then being detached from the support and then ground with the desired particle size, in particular between 8 ⁇ and 11 ⁇ , with a thickness of the order of 300 angstroms corresponding to that of the deposited aluminum layer.
- the charge of metallized particles can incorporate metallized particles chosen from the composition of metallized pigments marketed under the reference Xymara Metasheen® by the company Ciba (Basel, Switzerland), and the metallized pigment composition marketed under the reference starbrite® by Silberline (Leven, United Kingdom).
- These reflective metallized particles are used with a sufficient amount in the printing composition to provide, depending on the printing method used, the desired reflective effect after printing and curing.
- the amount of charge of metallized particles in the printing composition is between (volume ratio) 5% and 15%, in particular of the order of 10%.
- Such a layer of metallized ink is reflective and opaque, and may have as such properties similar to those of a vacuum metal deposition. For example, it makes it possible to increase on the order of 80% the optical power reflecting in visible light of the film. It should be noted, however, that the invention makes it possible precisely to adjust the reflection and opacity properties of this layer of reflective metallized ink according to different values, depending on the application. By decreasing the amount of the charge of metallized particles, the reflectivity and opacity of the reflective metallized markings are reduced. On the contrary, by increasing the amount of this charge, one increases the reflexivity and the opacity.
- Ciba OROSOL a printing composition
- CIBA Basel, Switzerland
- a silver mirror effect is obtained.
- dyes of yellow-orange color are used, in order to obtain a chrome appearance, dyes of blue dye are used, to obtain a nickel-like appearance dyes of green dye are used, to obtain a copper appearance dyes are used. orange-red hue.
- the reflective metallized particles have average dimensions adapted to allow printing according to the selected printing process, with the required accuracy and quality.
- the metallized particles have a mean particle size of between 8 ⁇ and 11 ⁇ with, in the case of platelets, a thickness of the order of 300 angstroms.
- the reflective metallized inscriptions 23 can be made at least partly with a very great fineness, especially with a line width of less than 500 ⁇ -preferably less than 200 ⁇ -, for example of the order of 100 ⁇ to 150 ⁇ . Further, as indicated above, the reflective metallized indicia 23 are printed by providing a peripheral edge 26 of the base pattern 24 around the reflective metallized markings 23, i.e. preferably around a contour of envelope of these. This peripheral edge 26 is for example between 0.5 mm and 3 mm, in particular of the order of 2 mm.
- the printing of the basic pattern 24 and that of the reflective metallized markings 23 can be carried out by any printing technique, for example chosen from screen printing, gravure printing, flexography, offset printing, or the like.
- a layer formed of the transparent printing layer 21 carrying the base pattern 24 and the reflective metallized markings 23 is obtained as represented in FIG.
- This layer may be used in a hot and press lamination stack to form the multilayer data carrier, like any other layer of this stack.
- the different layers 12, 19, 20, and 21 are stacked one on the other with the laser marking sub-layer 20 interposed between the base layer 19 and the printing layer 21. and hot-rolled and press-rolled in a laminating press, the total thickness of the stack decreasing for example by about 10%, to obtain the multilayer data carrier as shown in FIG. 2, ready to use for undergo personalization marking by laser radiation.
- the reflective metallized inscriptions 23 are visible from the outer face 11, through the thickness of the transparent printing layer 21 and through the transparent base pattern 24, with a very aesthetic metallic and reflective effect.
- the printing layer 21 may be any layer of thermoplastic material of a multilayer data support 10, without itself having to have specific characteristics of surface (surface tension, surface condition ...) - ⁇ suffice that the printing layer 21 allows performing the printing of the base pattern 24 in clear varnish.
- a basic pattern 24 is printed with a transparent varnish marketed under the reference UVLG6. by the company MARABU (France), in the format of the envelope contour of the reflective metallized markings 23 to be produced in accordance with FIG. 3, with an overhang (not visible in FIG. 3, the varnish being transparent) 2 mm from the pattern 24 around this envelope outline.
- the varnish layer of the basic pattern 24 is printed with a screen made from a fabric whose mesh comprises 150 threads / cm, the threads having a diameter of 34 ⁇ .
- a glass transition temperature measurement by differential thermal analysis does not make it possible to detect a glass transition temperature of the basic pattern 24 thus formed, after hardening of the latter.
- reflective metallized markings 23 are printed with a reflective metallized ink composition marketed under the reference 3Y2656 by the company Tiflex (Poncin, France). To further obtain a colored reflective metallic effect, 2% to 10% dye is added in this reflective metallized ink composition.
- the reflective metallized markings 23 are printed with a screen screen made from a fabric whose mesh comprises 120 threads / cm, the threads having a diameter of 34 ⁇ m.
- the guillochis 23a are formed of lines having a width of between 100 ⁇ and 150 ⁇ .
- the metallised inscriptions thus printed are reflective, seen by transparency on the side of the face of the sheets of paper. polycarbonate opposite the printing face 22, but their free faces seen on the same side as the printing face 22 are not reflective.
- the printed polycarbonate sheets are associated with three other polycarbonate sheets interposed between the polycarbonate sheets printed to form a stack, the printed faces being placed in contact with the underlying sheets of the stack, i.e. say not constituting the outer faces of the latter.
- the five sheets of polycarbonate forming, with the two printed sheets, said stack are successively the following: a sheet of 200 ⁇ of white polycarbonate, a sheet of 200 ⁇ of white polycarbonate; a sheet of 200 ⁇ of white polycarbonate.
- the set of sheets forming this stack is laminated in a lamination press under the following conditions:
- a multilayer data carrier 10 is obtained in the form of a card whose total thickness is equal to the sum of the thicknesses of the used polycarbonate sheets decreased by about 10%.
- the reflective metallized markings retain their metallized and reflective appearance as viewed from the outer face 11 side of the multilayer data carrier 10 and that their fineness is in no way impaired by the hot and press lamination operation. No burrs or deformation is observed.
- Example 2 The same process is carried out as in Example 1 above, replacing the varnish composition forming the base pattern 24 with a varnish composition marketed under the reference ultraflex® by Marabu (France, www.marabu.com ). After curing, this varnish has a surface condition suitable for receiving the reflective metallized markings, but a glass transition temperature Tg of between 20 ° C and 60 ° C detectable by differential thermal analysis.
- the multilayer data carrier obtained has reflective metallized markings, but with deformation and thickening of the lines.
- Example 2 The same process as in Example 1 above is carried out, replacing the varnish composition forming the base pattern 24 with a varnish composition sold under the reference Marastar® SR by the company Marabu (France, www.marabu. com). After curing, this gloss varnish has a surface state suitable for receiving the reflective metallized markings, but a glass transition temperature Tg of between 55 ° C and 65 ° C detectable by differential thermal analysis.
- the multilayer data carrier obtained has reflective metallized markings, but with deformation and thickening of the lines.
- Example 2 The same process is carried out as in Example 1 above, but without the use of a base pattern 24, the reflective metallized markings being directly printed on sheets of a polycarbonate film as sold under the trademark Makrofol® ID1. -4 by Bayer MaterialsScience (Leverkusen, Germany). These polycarbonate sheets have a smooth mirror-reflecting surface greater than 98%, measured according to ISO 2813 with an angle of 60 ° and a surface tension greater than 40 dynes / cm.
- the invention can be the subject of many alternative embodiments and applications other than those described above and shown in the figures.
- the reflective metallized markings 23 can be used in different forms and in different applications, including for making holographic patterns.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Printing Methods (AREA)
- Laminated Bodies (AREA)
- Credit Cards Or The Like (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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FR1455407A FR3022181B1 (fr) | 2014-06-13 | 2014-06-13 | Procede de fabrication d'un support de donnees multicouche a inscriptions metallisees reflechissantes |
PCT/EP2015/063180 WO2015189393A1 (fr) | 2014-06-13 | 2015-06-12 | Procédé de fabrication d'un support de données multicouche à inscriptions métallisées réfléchissantes |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3154796A1 true EP3154796A1 (fr) | 2017-04-19 |
Family
ID=51862398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15729803.5A Withdrawn EP3154796A1 (fr) | 2014-06-13 | 2015-06-12 | Procédé de fabrication d'un support de données multicouche à inscriptions métallisées réfléchissantes |
Country Status (5)
Country | Link |
---|---|
US (1) | US10023001B2 (fr) |
EP (1) | EP3154796A1 (fr) |
CA (1) | CA2951335A1 (fr) |
FR (1) | FR3022181B1 (fr) |
WO (1) | WO2015189393A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3458260B1 (fr) | 2016-05-17 | 2023-05-03 | Griff And Associates, L.P. | Procédé de stratification d'une structure multicouche utilisée lors de la fabrication de cartes de crédits et cartes-cadeaux |
EP3487678B1 (fr) * | 2016-07-21 | 2020-11-11 | SABIC Global Technologies B.V. | Objet multicouche d'identité et procédé pour sa fabrication |
US10350935B1 (en) | 2018-01-10 | 2019-07-16 | Assa Abloy Ab | Secure document having image established with metal complex ink |
US10821765B2 (en) | 2018-01-10 | 2020-11-03 | Assa Abloy Ab | Secure documents and methods of manufacturing the same |
US20200023666A1 (en) | 2018-07-20 | 2020-01-23 | Griff And Associates, L.P. | Card with security in the middle |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1022625B1 (fr) * | 1999-01-19 | 2017-06-28 | Dai Nippon Printing Co., Ltd. | Film de transfert pour hologrammes |
JP2005510765A (ja) * | 2001-11-26 | 2005-04-21 | テサ・アクチエンゲゼルシヤフト | 改良された偽造防止保護手段を有するラベル |
US7846520B2 (en) * | 2003-07-14 | 2010-12-07 | Dai Nippon Printing Co., Ltd. | Counterfeiting prevention label and method of manufacturing the same |
DE102004022079A1 (de) * | 2004-05-05 | 2005-11-24 | Giesecke & Devrient Gmbh | Wertdokument mit Seriennummer |
EP2181858A1 (fr) * | 2008-11-04 | 2010-05-05 | Agfa-Gevaert N.V. | Document de sécurité et son procédé de production |
FR2945131B1 (fr) | 2009-04-30 | 2014-05-16 | Fasver | Film holographique metallise et son procede de fabrication |
EP3242165B1 (fr) * | 2011-06-21 | 2018-11-14 | Basf Se | Impression de réseaux de diffraction sur un substrat polymère |
-
2014
- 2014-06-13 FR FR1455407A patent/FR3022181B1/fr active Active
-
2015
- 2015-06-12 US US15/318,250 patent/US10023001B2/en active Active
- 2015-06-12 EP EP15729803.5A patent/EP3154796A1/fr not_active Withdrawn
- 2015-06-12 WO PCT/EP2015/063180 patent/WO2015189393A1/fr active Application Filing
- 2015-06-12 CA CA2951335A patent/CA2951335A1/fr not_active Abandoned
Non-Patent Citations (2)
Title |
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None * |
See also references of WO2015189393A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2951335A1 (fr) | 2015-12-17 |
WO2015189393A1 (fr) | 2015-12-17 |
US20170120663A1 (en) | 2017-05-04 |
FR3022181B1 (fr) | 2018-01-19 |
FR3022181A1 (fr) | 2015-12-18 |
US10023001B2 (en) | 2018-07-17 |
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