EP0213122B2 - Optically codable ticket in the form of a surface - Google Patents
Optically codable ticket in the form of a surface Download PDFInfo
- Publication number
- EP0213122B2 EP0213122B2 EP85901291A EP85901291A EP0213122B2 EP 0213122 B2 EP0213122 B2 EP 0213122B2 EP 85901291 A EP85901291 A EP 85901291A EP 85901291 A EP85901291 A EP 85901291A EP 0213122 B2 EP0213122 B2 EP 0213122B2
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- European Patent Office
- Prior art keywords
- thermal
- protective layer
- ticket
- layer
- film
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- 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
- 239000011888 foil Substances 0.000 claims abstract 3
- 239000010410 layer Substances 0.000 claims description 35
- 239000011241 protective layer Substances 0.000 claims description 26
- 239000010408 film Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 7
- 238000007639 printing Methods 0.000 claims description 5
- 229920002545 silicone oil Polymers 0.000 claims description 5
- 229920002050 silicone resin Polymers 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 239000004922 lacquer Substances 0.000 claims description 4
- 239000000314 lubricant Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 235000011837 pasties Nutrition 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 claims 3
- 229920000058 polyacrylate Polymers 0.000 claims 2
- 239000000126 substance Substances 0.000 abstract description 10
- 238000000576 coating method Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 abstract description 5
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- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000002966 varnish Substances 0.000 description 8
- 239000000976 ink Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
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- 238000002845 discoloration Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000007644 letterpress printing Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
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- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
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- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
- B41M5/405—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography characterised by layers cured by radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/267—Marking of plastic artifacts, e.g. with laser
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0045—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or film forming compositions cured by mechanical wave energy, e.g. ultrasonics, cured by electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams, or cured by magnetic or electric fields, e.g. electric discharge, plasma
Definitions
- Thermally inscribable materials are usually used in the form of papers provided with a thermal layer. This thermal paper is processed in thermal printers, whereby a brief change in the temperature of the thermal layer produces a color change and so fonts or graphics.
- the advantages of thermal labeling are, above all, the low noise level and the high printing speed when displaying graphics of any design.
- thermal lettering Disadvantages of thermal lettering are the low light fastness and the chemical sensitivity of the fonts generated.
- a protective layer In order to improve the resistance of the thermal inscription to chemical influences, in particular to water, oil, plasticizers and organic solvents, it is known to apply a protective layer to the thermal layer.
- this protective layer consists of polyvinyl alcohol, which is also mostly used as a binder for the thermoreactive substances when the thermal layer is applied.
- DE-A-33 12716 describes a method in which a protective layer is formed over a thermal layer and has been cured with an electron beam.
- JP-A-56 67 293 is also mentioned in the publication mentioned.
- a comparative example No. 6 is described in DE-A-3312 716, in which a UV varnish was applied as a protective layer to a heat-sensitive recording paper. This UV varnish was irradiated for 10 seconds using an 80 W high-pressure mercury lamp and thereby cured. Color images were produced on the thermal paper thus produced using a test device with a temperature of 130 ° C. and an exposure time of 10 seconds. These color images had an initial image density of 1.15 and a background density of 0.20.
- the invention was based on the object, a as a ticket, ID card or the like. to create usable material, i.e. a card, the optical coding of which is separated from the production in terms of time and place.
- the optical coding should be resistant to chemical stresses and have excellent light fastness.
- the material should be able to be used in a coding device which is designed to be as simple and maintenance-free as possible due to a possibly exposed installation location.
- the invention is based on the consideration that the expected properties of the optical coding can only be achieved if a protective layer is formed over the thermal layer.
- a protective layer is formed over the thermal layer.
- the thermal layer is heated through the protective layer, i.e. that the ticket is already inserted into the coding device as a finished blank and optically coded.
- a UV lacquer is eminently suitable for forming a protective layer with 3-8 g / m 2 if, when it is applied, the UV lacquer is prevented from penetrating into the thermal layer and so their color-forming ability is impaired. This is achieved by a method according to claim 4. The curing immediately following the application within fractions of a second also prevents premature discoloration of the thermal layer, since the thermal layer is protected by its thermal inertia of the base body.
- an optically coded ticket produced in this way has practically 100% resistance to water, plasticizers, oils, fats, solvents and the like.
- the light fastness is also significantly improved.
- the protective layer consists of at least two thin films. This allows the film adjacent to the thermal layer to be optimized in terms of good adhesion and chemical compatibility with the thermal layer, while the film facing the surface to be labeled or the thermal printer is optimized in terms of chemical resistance, heat resistance and the other properties caused by the thermal printer can.
- the outer film of the protective layer contains a lubricant.
- a silicone oil or a silicone resin is particularly suitable in an amount of 1-10% of the film weight.
- the basic body of the ticket is a plastic film, so that the thermal layer is also protected against chemical stress from the back.
- the film adjacent to the thermal layer in a viscous or pasty form in order to prevent penetration into the thermal layer, the optimal ability of the thermal layer to form color is obtained.
- the second film of the protective layer can now be applied as a low-viscosity UV varnish mixed with a silicone oil or a silicone resin as a lubricant for the thermal printer.
- the barrier effect of the first film prevents the thermal layer from being impaired in particular by the silicone oil or silicone resin.
- this manufacturing process enables the ticket to be printed safely by applying the printing inks between the first and the second film of the protective layer.
- the ticket is protected against the thermal layer being adversely affected by the printing inks.
- the second film of the protective layer is only applied selectively to parts of the surface.
- the optically encodable material uses a homogeneous PVC film as the base body 1.
- Other materials can also be used for this, for example films made of polyester, polyethylene or tear-resistant or synthetic papers.
- the thermal layer 3 On one side of this base body, which was applied in a coating process with subsequent air drying.
- the thermal layer usually consists of a waterproof binder, in which thermoreactive substances are embedded.
- a protective layer is applied to the thermal layer 3.
- This protective layer consists of two thin films 4 and 5.
- the film 4 lying directly on the thermal layer is advantageously applied over the entire area with an offset printing machine in indirect letterpress printing and cured by UV radiation. Since the time between application and curing is relatively short (fractions of a second), there is practically no impairment of the thermal layer.
- the UV varnish is applied in a viscous or pasty form in order to prevent penetration into the thermal layer.
- the order quantities are advantageously between one and five grams per square meter.
- a second film 5 is then applied to this first film 4 of the protective layer, which in turn consists of a UV lacquer.
- This varnish for the second film 5 contains 1% to 5% silicone oil or silicone resin in order to achieve a water-repellent effect and to improve the sliding properties of the thermal print head.
- the second film 5 of the protective layer can be selectively applied to the surface, for example with a ballpoint pen, pencil or the like. to create writable surfaces by not coating these surfaces with the second film 5.
- the UV varnishes are usually applied transparently. However, transparent coloring is also possible.
- the printing inks are applied between the first film 4 and the second film 5 of the protective layer.
- a ticket designed in this way can be easily labeled or labeled using conventional thermal printers.
- the thermally generated lettering is very durable and insensitive to oils, greases and solvents (e.g. alcohol or acetone).
- the light fastness is also significantly improved.
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
- Credit Cards Or The Like (AREA)
- Laminated Bodies (AREA)
- Printing Methods (AREA)
Abstract
Description
Thermisch beschriftbare Materialien verwendet man üblicherweise in Form von mit einer Thermoschicht versehenen Papieren. Dieses Thermopapier wird in Thermodruckern verarbeitet, wobei durch kurzzeitiges Erhitzen der Thermoschicht ein Farbumschlag und so Schriften oder Grafiken erzeugt werden. Vorteile der Thermobeschriftung sind vor allem die geringe Geräuschentwicklung und die hohe Druckgeschwindigkeit bei der Darstellung von grafisch beliebig gestalteten Drucken.Thermally inscribable materials are usually used in the form of papers provided with a thermal layer. This thermal paper is processed in thermal printers, whereby a brief change in the temperature of the thermal layer produces a color change and so fonts or graphics. The advantages of thermal labeling are, above all, the low noise level and the high printing speed when displaying graphics of any design.
Nachteile der Thermobeschriftung sind die geringe Lichtechtheit sowie die chemische Empfindlichkeit der erzeugten Schriften. Um die Beständigkeit der Thermobeschriftung gegen chemische Einflüsse, insbesondere gegen Wasser, Öl, Weichmacher und organische Lösungsmittel zu verbessern, ist es bekannt, auf die Thermoschicht eine Schutzschichte aufzubringen.Disadvantages of thermal lettering are the low light fastness and the chemical sensitivity of the fonts generated. In order to improve the resistance of the thermal inscription to chemical influences, in particular to water, oil, plasticizers and organic solvents, it is known to apply a protective layer to the thermal layer.
In einem bekannten Fall besteht diese Schutzschichte aus Polyvinylalkohol, welcher auch meist bei der Aufbringung der Thermoschicht als Bindemittel für die thermoreaktiven Substanzen verwendet wird.In a known case, this protective layer consists of polyvinyl alcohol, which is also mostly used as a binder for the thermoreactive substances when the thermal layer is applied.
Man erreicht dadurch jedoch nur eine geringfügige Verbesserung der chemischen Beständigkeit. Weitere Probleme sind, dass bei der Aufbringung des Deckstriches schwierige Bedingungen herrschen, da das Thermopapier ein zweites Mal in der Beschichtungsmaschine durch einen Trockenkanal geführt werden muss. Bei dieser Trocknung besteht die Gefahr, dass die Thermoschicht durch Überhitzung zerstört wird.However, this only leads to a slight improvement in chemical resistance. Further problems are that difficult conditions exist when applying the top coat, since the thermal paper has to be passed through a drying tunnel a second time in the coating machine. With this drying there is a risk that the thermal layer will be destroyed by overheating.
In der DE-A-33 12716 ist ein Verfahren beschrieben, bei der über einer Thermoschicht eine Schutzschichte gebildet wird, welche mit einem Elektronenstrahl ausgehärtet worden ist.DE-A-33 12716 describes a method in which a protective layer is formed over a thermal layer and has been cured with an electron beam.
Ein derartiges Beschichtungsverfahren ist nur mit einem beträchtlichen apparativen Aufwand und entsprechenden Schutzmassnahmen für das Bedienungspersomal durchzuführen.Such a coating process can only be carried out with considerable expenditure on equipment and corresponding protective measures for the operating personnel.
In der genannten Veröffentlichung ist auch die JP-A-56 67 293 erwähnt. Darin ist ein Verfahren beschrieben, bei dem nach der optischen Codierung der Themoschicht, d.h. also nach der Einfärbung derselben, auf die Thermoschicht ein UV-Lack aufgetragen und als Schutzschicht ausgehärtet wird. Als Nachteile dieses Verfahrens werden genannt, dass die Strahlungswärme einer UV-Lampe unerwünschte Farbe auf der Thermoschicht erzeugen kann, der UV-Lack nur eine geringe Beständigkeit besitzt, lange Zeit zur Härtung benötigt und einem so hergestellten Produkt ein starker Geruch anhaftet.JP-A-56 67 293 is also mentioned in the publication mentioned. This describes a method in which, after the optical coding of the subject layer, i.e. So after coloring them, a UV varnish is applied to the thermal layer and cured as a protective layer. Disadvantages of this method are mentioned that the radiant heat of a UV lamp can produce undesirable color on the thermal layer, the UV varnish has only a low resistance, requires a long time to harden and a strong smell adheres to a product produced in this way.
In der DE-A-3312 716 ist ein Vergleichsbeispiel Nr. 6 beschrieben, bei dem auf ein wärmeempfindliches Aufzeichnungspapier ein UV-Lack als Schutzschichte aufgetragen wurde. Dieser UV-Lack wurde für 10 Sekunden unter Verwendung einer 80-W-Hochdruck-Quecksilberlampe bestrahlt und dadurch ausgehärtet. Auf dem so hergestellten Thermopapier wurden Farbbilder unter Verwendung eines Testgerätes mit einer Temperatur von 130°C und 10 Sekunden Einwirkungsdauer erzeugt. Diese Farbbilder wiesen eine Anfangsbilddichte von 1,15 und eine Hintergrunddichte von 0,20 auf.A comparative example No. 6 is described in DE-A-3312 716, in which a UV varnish was applied as a protective layer to a heat-sensitive recording paper. This UV varnish was irradiated for 10 seconds using an 80 W high-pressure mercury lamp and thereby cured. Color images were produced on the thermal paper thus produced using a test device with a temperature of 130 ° C. and an exposure time of 10 seconds. These color images had an initial image density of 1.15 and a background density of 0.20.
Der Erfindung lag die Aufgabe zugrunde, ein als Ticket, Ausweiskarte od.dgl. verwendbares Material zu schaffen, d.h. eine Karte, deren optische Codierung zeitlich und örtlich von der Herstellung getrennt erfolgt. Die optische Codierung soll gegenüber chemischen Beanspruchungen beständig sein und eine ausgezeichnete Lichtechtheit aufweisen. Weiters soll das Material in eine Codiereinrichtung einsetzbar sein, die auf Grund eines gegebenenfalls exponierten Aufstellungsortes möglichst einfach und wartungsfrei ausgebildet ist.The invention was based on the object, a as a ticket, ID card or the like. to create usable material, i.e. a card, the optical coding of which is separated from the production in terms of time and place. The optical coding should be resistant to chemical stresses and have excellent light fastness. Furthermore, the material should be able to be used in a coding device which is designed to be as simple and maintenance-free as possible due to a possibly exposed installation location.
Gelöst wird diese Aufgabe durch ein optisch codierbares, flächenförmiges Ticket nach Anspruch 1.This object is achieved by an optically encodable, area-shaped ticket according to claim 1.
Die Erfindung geht von der Überlegung aus, dass die erwarteten Eigenschaften der optischen Codierung nur bei Bildung einer Schutzschichte über der Thermoschichte erzielt werden können. Um eine einfache Ausbildung der Codiereinrichtung sicherzustellen, ist es erforderlich, dass die Thermoschichte durch die Schutzschichte hindurch erhitzt wird, d.h. dass das Ticket bereits als fertiger Rohling in die Codiereinrichtung eingeführt und optisch codiert wird.The invention is based on the consideration that the expected properties of the optical coding can only be achieved if a protective layer is formed over the thermal layer. In order to ensure a simple design of the coding device, it is necessary that the thermal layer is heated through the protective layer, i.e. that the ticket is already inserted into the coding device as a finished blank and optically coded.
Die Erfindung hat unter Überwindung des vorstehend genannten Vorurteils erkannt, dass zur Bildung einer Schutzschichte mit 3-8g/m2 ein UV-Lack dann hervorragend geeignet ist, wenn bei der Auftragung desselben verhindert wird, dass der UV-Lack in die Thermoschichte eindringt und so deren Farbbildungsfähigkeit beeinträchtigt. Dies wird erreicht durch ein Verfahren nach Anspruch 4. Durch die unmittelbar an die Auftragung anschliessende Aushärtung innerhalb Bruchteilen von Sekunden wird auch eine vorzeitige Verfärbung der Thermoschicht verhindert, da die Thermoschicht durch ihre Wärmeträgheit des Grundkörpers geschützt ist.Overcoming the above-mentioned prejudice, the invention recognized that a UV lacquer is eminently suitable for forming a protective layer with 3-8 g / m 2 if, when it is applied, the UV lacquer is prevented from penetrating into the thermal layer and so their color-forming ability is impaired. This is achieved by a method according to claim 4. The curing immediately following the application within fractions of a second also prevents premature discoloration of the thermal layer, since the thermal layer is protected by its thermal inertia of the base body.
Insbesondere weist ein so hergestelltes, optisch codiertes Ticket eine praktisch hundertprozentige Beständigkeit gegenüber Wasser, Weichmacher, Ölen, Fetten, Lösungsmitteln und dergleichen auf. Auch die Lichtechtheit ist wesentlich verbessert.In particular, an optically coded ticket produced in this way has practically 100% resistance to water, plasticizers, oils, fats, solvents and the like. The light fastness is also significantly improved.
Nach einer weiteren Ausgestaltung der Erfindung ist vorgesehen, dass die Schutzschichte aus zumindest zwei dünnen Filmen besteht. Dadurch kann der an die Thermoschichte angrenzende Film im Hinblick auf gute Haftung und chemische Verträglichkeit mit der Thermoschichte optimiert werden, während der der zu beschriftenden Oberfläche bzw. dem Thermodrucker zugewandte Film im Hinblick auf chemische Beständigkeit, Hitzefestigkeit und die sonstigen vom Thermodrucker bedingten Eigenschaften optimiert werden kann.According to a further embodiment of the invention, it is provided that the protective layer consists of at least two thin films. This allows the film adjacent to the thermal layer to be optimized in terms of good adhesion and chemical compatibility with the thermal layer, while the film facing the surface to be labeled or the thermal printer is optimized in terms of chemical resistance, heat resistance and the other properties caused by the thermal printer can.
Von Vorteil ist, wenn der aussenliegende Film der Schutzschichte ein Gleitmittel enthält. Besonders geeignet ist ein Siliconöl oder ein Siliconharz in einer Menge von 1-10% des Filmgewichtes.It is advantageous if the outer film of the protective layer contains a lubricant. A silicone oil or a silicone resin is particularly suitable in an amount of 1-10% of the film weight.
Weiters ist der Grundkörper des Tickets eine Kunstoffolie, so dass die Thermoschichte auch von der Rückseite her gegenüber chemischen Beanspruchungen geschützt ist.Furthermore, the basic body of the ticket is a plastic film, so that the thermal layer is also protected against chemical stress from the back.
Dadurch, das der an die Thermoschichte angrenzende Film in zähflüssiger oder pastöser Form aufgetragen wird, um ein Eindringen in die Thermoschicht zu verhindern, wird die optimale Fähigkeit der Thermoschicht zur Farbbildung erhalten.By applying the film adjacent to the thermal layer in a viscous or pasty form in order to prevent penetration into the thermal layer, the optimal ability of the thermal layer to form color is obtained.
Der zweite Film der Schutzschichte kann nun als dünnflüssiger, mit einem Siliconöl oder einem Siliconharz als Gleitmittel für den Thermodrucker versetzter UV-Lack aufgetragen werden. Durch die Sperrwirkung des ersten Filmes wird verhindert, dass die Thermoschicht insbesondere durch das Siliconöl oder Siliconharz beeinträchtigt wird.The second film of the protective layer can now be applied as a low-viscosity UV varnish mixed with a silicone oil or a silicone resin as a lubricant for the thermal printer. The barrier effect of the first film prevents the thermal layer from being impaired in particular by the silicone oil or silicone resin.
Weiters ermöglicht dieses Herstellungsverfahren, dass das Ticket gefahrlos bedruckt werden kann, indem die Druckfarben zwischen dem ersten und dem zweiten Film der Schutzschichte aufgebracht werden. Das Ticket ist bei der Bedruckung durch den ersten Film gegen eine Beeinträchtigung der Thermoschichte durch die Druckfarben geschützt.Furthermore, this manufacturing process enables the ticket to be printed safely by applying the printing inks between the first and the second film of the protective layer. When printed by the first film, the ticket is protected against the thermal layer being adversely affected by the printing inks.
Weiters ist nach einer bevorzugten Ausführungsform vorgesehen, dass der zweite Film der Schutzschichte nur selektiv an Teilen der Oberfläche aufgetragen wird.Furthermore, it is provided according to a preferred embodiment that the second film of the protective layer is only applied selectively to parts of the surface.
Die Erfindung wird nachfolgend anhand eines Ausführungsbeispieles näher erläutert, das die Herstellung von mittels Thermodruckern beschrifteten Tickets, Ausweiskarten oder ähnlichem beschreibt.The invention is explained in more detail below on the basis of an exemplary embodiment which describes the production of tickets, identity cards or the like labeled by means of thermal printers.
Das optisch codierbare Material verwendet als Grundkörper 1 eine homogene PVC-Folie. Es sind auch andere Materialien hiefür einsetzbar, beispielsweise Folien aus Polyester, Polyäthylen oderreissfeste bzw. synthetische Papiere.The optically encodable material uses a homogeneous PVC film as the base body 1. Other materials can also be used for this, for example films made of polyester, polyethylene or tear-resistant or synthetic papers.
Auf diesem Grundkörper befindet sich einseitig eine Thermoschicht 3, welche in einem Streichverfahren mit anschliessender Lufttrocknung aufgebracht wurde. Die Thermoschicht besteht in der Regel aus einem wasserfesten Bindemittel, in welchem thermoreaktive Substanzen eingelagert sind.There is a thermal layer 3 on one side of this base body, which was applied in a coating process with subsequent air drying. The thermal layer usually consists of a waterproof binder, in which thermoreactive substances are embedded.
Auf die Thermoschicht 3 ist eine Schutzschicht aufgebracht. Diese Schutzschicht besteht aus zwei dünnen Filmen 4 und 5. Der unmittelbar auf der Thermoschicht aufliegende Film 4 wird vorteilhaft mit einer Offset-Druckmaschine im indirekten Buchdruck ganzflächig aufgetragen und durch UV-Strahlung ausgehärtet. Da die Zeit zwischen Auftragung und Aushärtung relativ kurz ist (Bruchteile von Sekunden), tritt praktisch keine Beeinträchtigung der Thermoschicht ein.A protective layer is applied to the thermal layer 3. This protective layer consists of two
Hiezu ist es vorteilhaft, wenn der UV-Lack in zähflüssiger oder pastöser Form aufgetragen wird, um ein Eindringen in die Thermoschicht zu verhindern. Die Auftragsmengen liegen vorteilhaft zwischen ein und fünf Gramm pro Quadratmeter.For this purpose, it is advantageous if the UV varnish is applied in a viscous or pasty form in order to prevent penetration into the thermal layer. The order quantities are advantageously between one and five grams per square meter.
Auf diesen ersten Film 4 der Schutzschichte wird nun ein zweiter Film 5 aufgetragen, welcher wiederum aus einem UV-Lack besteht. Dieser Lack für den zweiten Film 5 enthält 1 % bis 5% Siliconöl oder Siliconharz, um eine wasserabweisende Wirkung zu erzielen und die Gleiteigenschaften des Thermodruckkopfes zu verbessern.A
Den zweiten Film 5 der Schutzschicht kann man selektiv auf die Oberfläche auftragen, um beispielsweise gezielt mit Kugelschreiber, Bleistift od.dgl. beschriftbare Flächen zu schaffen, indem diese Flächen nicht mit dem zweiten Film 5 beschichtet werden. Die UV-Lacke werden in der Regel transparent aufgetragen. Es ist aber auch eine transparente Einfärbung möglich.The
Soll das optisch codierbare Ticket beispielsweise farbig bedruckt werden, so werden die Druckfarben zwischen dem ersten Film 4 und dem zweiten Film 5 der Schutzschichte aufgebracht.If the optically encodable ticket is to be printed in color, for example, the printing inks are applied between the first film 4 and the
Ein derart ausgebildetes Ticket lässt sich mit herkömmlichen Thermodruckern problemlos kennzeichnen oder beschriften. Die thermisch erzeugte Beschriftung ist sehr beständig und gegen Öle, Fette und Lösemittel (beispielsweise Alkohol oder Aceton) unempfindlich. Auch die Lichtechtheit ist wesentlich verbessert.A ticket designed in this way can be easily labeled or labeled using conventional thermal printers. The thermally generated lettering is very durable and insensitive to oils, greases and solvents (e.g. alcohol or acetone). The light fastness is also significantly improved.
Claims (6)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT1260/84 | 1984-04-16 | ||
| AT126084 | 1984-04-16 | ||
| AT3228/84 | 1984-10-11 | ||
| AT322884A AT397636B (en) | 1984-10-11 | 1984-10-11 | Thermally printable material |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0213122A1 EP0213122A1 (en) | 1987-03-11 |
| EP0213122B1 EP0213122B1 (en) | 1988-03-09 |
| EP0213122B2 true EP0213122B2 (en) | 1992-06-17 |
Family
ID=25595342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP85901291A Expired - Lifetime EP0213122B2 (en) | 1984-04-16 | 1985-04-16 | Optically codable ticket in the form of a surface |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0213122B2 (en) |
| AT (1) | ATE32850T1 (en) |
| DE (1) | DE3561792D1 (en) |
| WO (1) | WO1985004842A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2084988A1 (en) * | 1991-05-06 | 1992-11-07 | Edward P. Lindholm | Imaging medium with bubble-suppressant layer |
| DE10341168A1 (en) | 2003-09-06 | 2005-04-07 | Mitsubishi Hitec Paper Flensburg Gmbh | Heat-sensitive recording material and its use |
| US9024986B2 (en) * | 2006-03-07 | 2015-05-05 | Ncr Corporation | Dual-sided thermal pharmacy script printing |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5436506B2 (en) † | 1972-06-06 | 1979-11-09 | ||
| JPS5835478B2 (en) † | 1977-06-10 | 1983-08-02 | 本州製紙株式会社 | heat sensitive recording material |
| JPS59103793A (en) † | 1982-08-18 | 1984-06-15 | Toa Paint Kk | Ultraviolet-curing undercoating composition and production of multilayer coated film by utilizing the same |
| JPS60162688A (en) † | 1984-02-04 | 1985-08-24 | Dainippon Printing Co Ltd | Thermal transfer sheet and its manufacturing method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4484204A (en) * | 1982-04-10 | 1984-11-20 | Kanzaki Paper Manufacturing Co., Ltd. | Heat-sensitive record material |
-
1985
- 1985-04-16 DE DE8585901291T patent/DE3561792D1/en not_active Expired
- 1985-04-16 EP EP85901291A patent/EP0213122B2/en not_active Expired - Lifetime
- 1985-04-16 WO PCT/AT1985/000011 patent/WO1985004842A1/en not_active Ceased
- 1985-04-16 AT AT85901291T patent/ATE32850T1/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5436506B2 (en) † | 1972-06-06 | 1979-11-09 | ||
| JPS5835478B2 (en) † | 1977-06-10 | 1983-08-02 | 本州製紙株式会社 | heat sensitive recording material |
| JPS59103793A (en) † | 1982-08-18 | 1984-06-15 | Toa Paint Kk | Ultraviolet-curing undercoating composition and production of multilayer coated film by utilizing the same |
| JPS60162688A (en) † | 1984-02-04 | 1985-08-24 | Dainippon Printing Co Ltd | Thermal transfer sheet and its manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0213122A1 (en) | 1987-03-11 |
| DE3561792D1 (en) | 1988-04-14 |
| ATE32850T1 (en) | 1988-03-15 |
| WO1985004842A1 (en) | 1985-11-07 |
| EP0213122B1 (en) | 1988-03-09 |
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