EP0493231B2 - Bedruckbarer Bogen zur Herstellung von Sicherheitsdokumenten mit einem Mittel gegen Nachahmung oder für Beglaubigung - Google Patents
Bedruckbarer Bogen zur Herstellung von Sicherheitsdokumenten mit einem Mittel gegen Nachahmung oder für Beglaubigung Download PDFInfo
- Publication number
- EP0493231B2 EP0493231B2 EP91403501A EP91403501A EP0493231B2 EP 0493231 B2 EP0493231 B2 EP 0493231B2 EP 91403501 A EP91403501 A EP 91403501A EP 91403501 A EP91403501 A EP 91403501A EP 0493231 B2 EP0493231 B2 EP 0493231B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- iridescent
- coating
- binder
- sheet
- composition
- 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
Links
- 239000000203 mixture Substances 0.000 claims abstract description 42
- 239000011248 coating agent Substances 0.000 claims abstract description 21
- 238000000576 coating method Methods 0.000 claims abstract description 21
- 239000011230 binding agent Substances 0.000 claims abstract description 20
- 239000000126 substance Substances 0.000 claims abstract description 19
- 230000004087 circulation Effects 0.000 claims abstract description 11
- 238000007639 printing Methods 0.000 claims description 25
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- -1 alkene halides Chemical class 0.000 claims description 5
- 239000010445 mica Substances 0.000 claims description 4
- 229910052618 mica group Inorganic materials 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- 239000004014 plasticizer Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 2
- 239000008199 coating composition Substances 0.000 claims 1
- 239000002274 desiccant Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 239000006254 rheological additive Substances 0.000 claims 1
- 238000009877 rendering Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000001035 drying Methods 0.000 description 5
- 239000000049 pigment Substances 0.000 description 4
- 238000000518 rheometry Methods 0.000 description 3
- 235000015112 vegetable and seed oil Nutrition 0.000 description 3
- 239000008158 vegetable oil Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000012764 mineral filler Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 101100326341 Drosophila melanogaster brun gene Proteins 0.000 description 1
- 238000003854 Surface Print Methods 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000007754 air knife coating Methods 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 239000001049 brown dye Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002557 mineral fiber Substances 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920005596 polymer binder Polymers 0.000 description 1
- 239000002491 polymer binding agent Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
-
- 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
- B41M3/144—Security printing using fluorescent, luminescent or iridescent effects
Definitions
- the invention relates to a printable sheet for manufacturing security documents comprising a security against counterfeiting by reproduction with photocopiers, in particular color photocopiers or by scanner and / or authentication means.
- This means of security is a iridescent coating partially or totally disposed on the surface of the sheet, an impression on this iridescent coating being achievable, the holding of this print being good and its print rendering being high.
- the invention relates more particularly to sheets of paper for banknotes or other securities. of value which can in particular be printed by offset printing and / or by intaglio printing. It further relates to a composition which gives it simultaneously iridescence properties in surface, resistance to circulation and possibly of higher printability.
- security documents for example bank note papers or checks or any other valuable security include chemical means of authentication and / or indicators of falsification. Some contain on the surface or in bulk substances preventing the reproduction of the document by photocopy or scanner.
- a security paper comprising a substance iridescent as a means of security.
- This iridescent substance can be deposited on the surface of the paper by printing or by coating an ink made with this iridescent substance and a binder.
- a first drawback is that when the sheet is printed, in particular by intaglio printing, there may be a more or less significant transfer of the layer of iridescent substance on the intaglio plates.
- a second disadvantage of the sheets of the prior art is that the iridescent layer does not not resist all mechanical actions that could alter it.
- the security documents made from these sheets circulate between individuals and pass through various machines, for example counterfeit detectors, distributors automatic, etc.
- the documents undergo treatments likely to deteriorate them, for example they are folded, crumpled, wet, scraped, subjected to various rubs and can even undergo a washing treatment by introduction into a washing machine.
- a printable sheet that can be used to make security documents, having a high print rendering and resistance to circulation such that at least one of its faces is treated with a composition comprising at least one filler and at least one binder.
- a composition does not contain an iridescent substance.
- Print rendering is the fact that the line obtained by printing is perfectly clear, that is to say that it does not contain burrs or in terms used by those skilled in the art, "feathering". These burrs are formed by bulges more or less perpendicular to the line, so that the size of the line is greater than the desired thickness and this results in it being difficult to reconcile lines without risk of blurring. Therefore, the central bank that prints the paper to obtain security documents is forced to make sufficiently fine prints. It is therefore difficult to make micro-prints. However, micro-prints are very useful as security elements because they are difficult to reproduce by photocopiers who currently cannot reproduce very fine prints. Print rendering is also characterized by the density of print color.
- the human eye has sufficient resolution to distinguish between an impression having a good rendering and an impression including a "feathering".
- one of the objects of the invention is to provide a non-reproducible security document in particular by color photocopy or by scanner, comprising at least partially a coating in surface obtained from an iridescent composition, such that no transfer of the iridescent coating has when the document is printed.
- Another object of the invention is to provide a security document above such as the coating iridescent itself has good resistance to traffic.
- a third object of the invention is to provide a security document comprising at least partially an iridescent coating to maintain good resistance to circulation (i.e. good performance) of the surface impressions made on this coating of this iridescent composition.
- Another object of the invention is to provide a security document having a good print rendering.
- the technical problem which must therefore be resolved is to provide an iridescent composition which can be easily carried by any coating or printing means on a sheet so that the effect iridescent is retained when the sheet is coated with the composition and at the same time time it is possible to print on this coating by obtaining a good print rendering and that the circulation resistance of the printed sheet is good.
- the aims of the invention are achieved by using as a iridescent composition a mixture comprising at least one iridescent pigment and at least one binder, the binder being chosen so as not to mask the iridescent effect of the substance.
- the invention relates to a sheet of paper for banknotes, printable by intaglio printing comprising a means of security against counterfeiting by reproduction with a photocopier or scanner, and / or as a means identification, an iridescent coating arranged at least partially on the leaf surface on which it is possible to carry out an intaglio printing, said coating having good resistance to traffic and being obtained from a composition consisting of at least one binder and at least one substance Iridescent according to claim 1.
- the binder is chosen from polyurethanes, homo- or alkene halide co-polymers and their mixtures.
- poly (vinyte chloride) is chosen.
- the binder can contain a plasticizer which can, for example, be a vegetable oil.
- the binder may also contain a siccative.
- the iridescent substance for example a mineral pigment like a mica coated with titanium dioxide, a plastic pigment composed of a special stack of films producing an effect iridescent (or dichroic) when the pigment is observed under a certain angle.
- iridescent composition additives such as, for example, viscosity modifiers, rheology, plasticizers, etc.
- the iridescent composition is preferably deposited on the surface of a sheet, in an amount of 3 to 12 g / m 2 .
- This composition can be deposited by any coating means or printing on the surface of the document. It can be filed by example by air knife coating, at the MEYER bar, by rotogravure, screen printing, etc. It can be done in solvent or aqueous medium.
- the sheet of paper can be a sheet made from cellulosic and / or synthetic fibers, possibly mixed with mineral fibers. It may include other security elements.
- the present invention also relates to a bank note obtained from a sheet of paper according to the invention.
- the tests are estimated visually (with the naked eye or with a magnifying glass) and by comparison.
- a part of the sheet which has not been treated is compared with a part treated with the composition iridescent according to the invention.
- the sheet is printed by offset or intaglio.
- We finds that the print rendering on the treated parts is superior to that of the untreated parts.
- the document is not reproducible by photocopy.
- Circulation resistance tests (crumpling and friction) are described in the article: WARING QUALITY OF EXPERIMENTAL CURRENCY-TYPE PAPERS, Journal of Research of the National Bureau of Standards, Volume 36, pages 249 to 268, March 1946.
- a sheet is made on a paper machine from an aqueous suspension of fibers of cellulose, possibly mixed with synthetic fibers and other additives used in stationery.
- the following iridescent composition is deposited on a portion of this sheet, using a MEYER bar No. 1, which comprises in dry: - iridescent substance: titanium dioxide coated mica with yellow-green iridescence 64 games - polymer binder composed of: . poly (vinyl chloride) . vegetable oil . tin . organic solvents . low quantity mineral filler regulating rheology 36 games
- composition is deposited at the rate of 8 g / m 2 dry.
- the area of the sheet coated with the iridescent composition clearly exhibits a yellow iridescence effect green, that is to say that if we look at the leaf at an angle substantially perpendicular to the leaf, the coated area appears substantially white and if we look at the sheet at an angle of about 45 degrees, the coated area appears yellow green.
- Example 1 is repeated, but an iridescent substance is used, a mica coated with dioxide of titanium giving a pink iridescence.
- the area of the sheet coated with this composition clearly shows a pink iridescence effect.
- the sheets obtained according to Examples 1 and 2 are printed by intaglio and they are subjected to the circulation resistance tests mentioned above, after drying the intaglio ink.
- the print rendering in particular the fineness of the lines, is higher on the part comprising the iridescent composition to that obtained on the non-iridescent part.
- Example 1 If a composition such as that mentioned in Example 1 is produced, but by replacing the binder by a derivative of poly (vinyl acetate), then that this composition is deposited on a sheet of paper and after drying, an intaglio printing is carried out, the composition is transferred iridescent on intaglio printing plates.
- a composition such as that mentioned in Example 1 is produced, but by replacing the binder by a derivative of poly (vinyl acetate), then that this composition is deposited on a sheet of paper and after drying, an intaglio printing is carried out, the composition is transferred iridescent on intaglio printing plates.
- Example 2 An iridescent composition like that of Example 1 is produced, but the binder is replaced by a binder based on nitrocellulosic derivative. After coating this composition on a sheet of paper and drying, when an intaglio printing is carried out, the iridescent composition is transferred to the printing plates.
- Example 1 The composition of Example 1 is produced, but a binder based on poly (chloride of vinylidene). By depositing a layer of this composition on paper, then drying, we can perform intaglio printing without transfer of the composition to the printing plates.
- Example 1 The composition of Example 1 is produced, but a binder based on polyurethane in solution is used. aqueous. By depositing a layer of this composition on paper, then drying, we can perform intaglio printing without transfer of the composition to the printing plates.
Landscapes
- Credit Cards Or The Like (AREA)
- Printing Methods (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
- Paper (AREA)
- Cleaning In Electrography (AREA)
- Laminated Bodies (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Claims (4)
- Durch Kupertiefdruck bedruckbarer Papierbogen für Banknoten, der als Mittel zur Sicherung gegen Nachahmung durch Reproduktion mit einem Photokopiergerät oder einem Scanner und/oder als Erkennungsmarker einen irisierenden Auftrag aufweist, welcher mindestens auf einem Teil der Bogenoberfläche aufgebracht ist, und auf welchem ein Kupfertiefdruck durchgeführt werden kann, wobei der irisierende Auftrag aus einer Zusammensetzung, welche aus mindestens einer irisierenden Substanz und aus mindestens einem Bindemittel besteht, erhalten wird, wobei der Auftrag eine hohe Widerstandsfähigkeit gegenüber mehrmaligem Gebrauch (beim Umlauf) aufweist und wobei das Bindemittel aus Polyurethanen, Homo- oder Copolymeren von Alkenhalogenid und deren Mischungen ausgewählt ist, und die Zusammensetzung die folgenden Komponenten enthält:zwischen 30 und 70 Gewichtsteile mindestens einer irisierenden Substanz in bezug auf den Trockensubstanzzwischen 30 und 70 Gewichtsteile vom Bindemittel in bezug auf den Trockensubstanz, wobei das Gesamtgewicht 100 Teile ausmacht, undgegebenenfalls weitere Zusatzstoffe, die unter einem Trockenmittel, einem Weichmacher und einem Mittel zur Modifizierung der Fliesseingeschaften ausgewählt sind.
- Bogen gemäss einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass das Bindemittel aus Polyvinylchlorid besteht.
- Bogen gemäss einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die irisierende Substanz aus mit Titandioxid beschichtetem Glimmer besteht.
- Banknote, welche aus einem Bogen gemäss der vorhergehenden Ansprüche erhalten worden ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9016142A FR2670812B1 (fr) | 1990-12-21 | 1990-12-21 | Feuille imprimable pour fabriquer des documents de securite comportant un moyen contre la contrefacon ou d'authentification. |
| FR9016142 | 1990-12-21 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0493231A1 EP0493231A1 (de) | 1992-07-01 |
| EP0493231B1 EP0493231B1 (de) | 1995-05-10 |
| EP0493231B2 true EP0493231B2 (de) | 2003-01-22 |
Family
ID=9403567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP91403501A Expired - Lifetime EP0493231B2 (de) | 1990-12-21 | 1991-12-20 | Bedruckbarer Bogen zur Herstellung von Sicherheitsdokumenten mit einem Mittel gegen Nachahmung oder für Beglaubigung |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0493231B2 (de) |
| AT (1) | ATE122425T1 (de) |
| DE (1) | DE69109647T3 (de) |
| DK (1) | DK0493231T4 (de) |
| ES (1) | ES2072580T5 (de) |
| FR (1) | FR2670812B1 (de) |
| MX (1) | MX9102732A (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2268906A (en) † | 1992-07-24 | 1994-01-26 | Portals Ltd | Counterfeit protection for documents using optical effects of liquid crystal |
| GB2283026B (en) * | 1993-09-30 | 1997-01-08 | Portals Ltd | Improvement in security features for paper |
| DE4419089A1 (de) * | 1994-06-01 | 1995-12-07 | Basf Ag | Verwendung von Interferenzpigmenten zur Herstellung von fälschungssicheren Wertschriften und Verpackungen |
| ES2116197B1 (es) * | 1995-04-05 | 1999-04-01 | Ind De Hijos De Antonio Fabreg | Un procedimiento para evitar la falsificacion de documentos por copiado. |
| DE19829004A1 (de) * | 1998-06-30 | 2000-01-05 | Giesecke & Devrient Gmbh | Sicherheitspapier |
| FR3021251B1 (fr) | 2014-05-26 | 2017-10-27 | Arjowiggins Security | Substrat pour document securise. |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4010293A (en) * | 1975-02-13 | 1977-03-01 | Chester Davis | Enhancement of iridescent colors to provide vivid colorants and printing inks |
| FR2429292A1 (fr) * | 1978-06-19 | 1980-01-18 | Arjomari Prioux | Papier de securite comportant comme moyen de securite au moins une substance iridescente |
| FR2492292A1 (fr) * | 1980-10-17 | 1982-04-23 | Mollart Eng Co Ltd | Tour a decolleter perfectionne |
| CH672687A5 (de) * | 1987-11-20 | 1989-12-15 | Lipatec Ets | |
| NL8900296A (nl) * | 1989-02-07 | 1990-09-03 | Enschede & Zonen Grafisch | Iriserende vloeistof en een veiligheidsdocument voorzien van een iriserende vloeistof. |
-
1990
- 1990-12-21 FR FR9016142A patent/FR2670812B1/fr not_active Expired - Lifetime
-
1991
- 1991-12-20 MX MX9102732A patent/MX9102732A/es not_active IP Right Cessation
- 1991-12-20 DK DK91403501T patent/DK0493231T4/da active
- 1991-12-20 AT AT91403501T patent/ATE122425T1/de not_active IP Right Cessation
- 1991-12-20 DE DE69109647T patent/DE69109647T3/de not_active Expired - Lifetime
- 1991-12-20 ES ES91403501T patent/ES2072580T5/es not_active Expired - Lifetime
- 1991-12-20 EP EP91403501A patent/EP0493231B2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69109647T2 (de) | 1995-12-14 |
| DE69109647T3 (de) | 2003-12-18 |
| ATE122425T1 (de) | 1995-05-15 |
| DK0493231T4 (da) | 2003-05-05 |
| DE69109647D1 (de) | 1995-06-14 |
| ES2072580T3 (es) | 1995-07-16 |
| EP0493231A1 (de) | 1992-07-01 |
| FR2670812B1 (fr) | 1996-06-21 |
| DK0493231T3 (da) | 1995-10-02 |
| ES2072580T5 (es) | 2003-09-01 |
| MX9102732A (es) | 1992-06-01 |
| FR2670812A1 (fr) | 1992-06-26 |
| EP0493231B1 (de) | 1995-05-10 |
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