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EP1230093A1 - Method for the production of printed surfaces - Google Patents

Method for the production of printed surfaces

Info

Publication number
EP1230093A1
EP1230093A1 EP00960476A EP00960476A EP1230093A1 EP 1230093 A1 EP1230093 A1 EP 1230093A1 EP 00960476 A EP00960476 A EP 00960476A EP 00960476 A EP00960476 A EP 00960476A EP 1230093 A1 EP1230093 A1 EP 1230093A1
Authority
EP
European Patent Office
Prior art keywords
fluorescent
range
light
pigments
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.)
Granted
Application number
EP00960476A
Other languages
German (de)
French (fr)
Other versions
EP1230093B1 (en
Inventor
Ingo Beckmann
Jan Kamp
Stephan Meuter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BrightSign GmbH
Original Assignee
BrightSign GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by BrightSign GmbH filed Critical BrightSign GmbH
Publication of EP1230093A1 publication Critical patent/EP1230093A1/en
Application granted granted Critical
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Anticipated expiration legal-status Critical
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Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/06—Veined printings; Fluorescent printings; Stereoscopic images; Imitated patterns, e.g. tissues, textiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/08—Designs or pictures characterised by special or unusual light effects characterised by colour effects
    • B44F1/10—Changing, amusing, or secret pictures

Definitions

  • the invention relates to a method for producing printed surfaces according to the preamble of claim 1.
  • Fluorescent dyes are mixed with normal dyes to make the color brighter in daylight.
  • the invisible dyes or fluorescent dyes that fluoresce under ultraviolet light (UV light) are also used in particular in the
  • Window pane or a corresponding pane or plate made of glass, plexiglass or a similar translucent material are glued, which thereby forms a support for signs or advertising.
  • EP-A1 -92 91 6 031 discloses an adhesive, fluorescent film with a 2 o translucent layer which is impenetrable for UV rays or in
  • US Pat. No. 4,652,464 also discloses a method for printing art or advertising graphics using visible and / or invisible, fluorescent ornamental dyes and non-fluorescent dyes are known in many print series of colors, each print series being carried out with a defined print pattern. Art and advertising graphics are used in the printing process
  • visible and / or invisible fluorescent dyes are used during the printing process, which are applied to previously selected fields of the image in a defined pattern in order to obtain the desired colors under normal or daylight and to combine these fluorescent dyes with the non-fluorescent dyes under UV
  • the relative ratio and the colors and different hues of the non-fluorescent dyes and the visible and invisible fluorescent dyes are preselected to achieve a gradual, fine transition on the image when viewed under lighting conditions between daylight and UV. Change light, or to mix or shade the effect, or to weaken the intensity of the fluorescent dyes in certain fields, to make them more natural and softer
  • Dyes have to be printed in order to check the desired effect so that the fluorescent dyes used on the image are not affected by the normal daylight dye patterns.
  • the present invention is based on the object of avoiding the large number of printing steps required hitherto, and in particular the complex adjustment of the fluorescent colors in the printing process.
  • An expedient development of the invention provides that the printing inks and / or varnishes have organic pigments in the range from 15% to 20%, fluorescent pigments in the range from 5% to 30% and optically active substances in the range from 0% to one kilogram Color can be added. These measures create a very weak lighting effect of the colors.
  • the measures of claim 3 make a weak one, while the measures of claim 4 achieve a medium luminous effect of the colors.
  • the measures of claim 5 a strong lighting effect and finally by the measures of claim 6, a very strong lighting effect of the colors is achieved.
  • the invention extends to a single color printing process.
  • the printing inks are highly lightfast printing inks. Special colors can also be taken into account.
  • Printing with fluorescent inks ensures that the printed image corresponds to the original in terms of color fastness and gradation in daylight and appears as a completely normal poster or advertising surface, but with the effect that by using the fluorescent dyes even during the day - light already expresses a higher luminosity of the colors, so that the image catches the eye of the viewer much sooner than a conventional four-color print poster.
  • the picture printed with fluorescent colors, the advertising graphics, advertising space or the like shines out of itself at night under UV light with authentic color reproduction in relation to the daylight effect, comparable to the luminosity of a television picture, but still It is more effective in all color gradations in that three-dimensional effects with the luminous effect of a slide projection are created in the image and a deep spatial effect is achieved, so that special attention is drawn to the viewer.
  • the image surface on a dark background shines out of itself at night under UV lighting, since the UV light source does not throw any stray light, unlike white light.
  • the printing method according to the present invention comprises conventional methods and materials, in particular the combination of the function of the elements making up the invention.
  • the ratio of a percentage mixture of fluorescent pigments and not florescent pigments varies depending on the one hand, individual colors or color shades, the various substrates and on the other hand, according to the ver ⁇ used printing method such as the offset or screen printing.
  • the printing inks can be described as follows: conventional basic colors and special colors in combination with organic pigments, fluorescent pigments and optically active substances, depending on the printing process drive, depending on the basic color and special tones and depending on the substrates, the admixture of organic pigments, fluorescent pigments and optically active substances in different percentages.
  • a preferred guideline value for the ratio is given in that the pigment admixture per kilogram of color is in the range from 0.5% to 5% for organic pigments and in the range from 15% to 80 in the case of fluorescent pigments % and in the case of optically active substances
  • Range is 0.5% to 1%.
  • a photographically depicted western city silhouette is to be printed, with the back of a person depicted in the foreground.
  • This motif is produced using the four-color printing process using invisible, fluorescent printing inks and varnishes, with the
  • the advertising surfaces fluorescent by means of the proposed method can be produced for any purpose, including packaging that is used in the catering sector with UV lighting.

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Textile Engineering (AREA)
  • Vascular Medicine (AREA)
  • Printing Methods (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Paints Or Removers (AREA)

Abstract

A method for the production of printed surfaces which are fluorescent under UV light uses either a single or four colour print process in which the base colours of yellow, blue and red and special colour tones contain fluorescent pigments, which are not visible under normal light but visible under UV light, in a fixed ratio to the pigments which are colourfast under high intensity light. The inventive method can be carried out easily to apply and the numerous printing steps previously required are avoided. The greatest advantage is the fact that pictures printed with fluorescent colours appear to give a complete three-dimensional effect at night under UV light with an authentic stepless colour reproduction of all tones when compared to the daylight effect.

Description

ι 5ι 5
2o Verfahren zur Herstellung von bedruckten Flächen 2 o Process for the production of printed surfaces
Die Erfindung betrifft ein Verfahren zur Herstellung von bedruckten Flächen gemäß dem Oberbegriff des Anspruchs 1 .The invention relates to a method for producing printed surfaces according to the preamble of claim 1.
■>_ Es ist bekannt, fluoreszierende Farbstoffe in Kombination mit normalen Farbstoffen für verschiedene Effekte zu benutzen. ■ > _ It is known to use fluorescent dyes in combination with normal dyes for various effects.
Fluoreszierende Farbstoffe werden mit normalen Farbstoffen gemischt, um die Farbe bei Tageslicht leuchtender zu machen. Die unsichtbaren oder bei ultravio- 30 lettem Licht (UV-Licht) fluoreszierenden Farbstoffe werden insbesondere auch imFluorescent dyes are mixed with normal dyes to make the color brighter in daylight. The invisible dyes or fluorescent dyes that fluoresce under ultraviolet light (UV light) are also used in particular in the
Theater für spezielle Effekte eingesetzt, wobei ihre dramatisch fluoreszierenden Eigenschaften unter UV-Beleuchtung ausgenutzt werden. Es ist bekannt, dass für die Verwendung bei Schildern und in der Werbung klebende, fluoreszierende Folien in Buchstaben und/oder Figuren, Embleme, Logo- 10 gramme und dergleichen geschnitten werden, die beispielsweise auf eineTheater used for special effects, whereby their dramatically fluorescent properties are exploited under UV lighting. It is known that, for use with signs and in advertising, fluorescent films which are adhesive, are cut into letters and / or figures, emblems, logo frames and the like, for example on a
Fensterscheibe oder eine entsprechende Scheibe oder Platte aus Glas, Plexiglas oder ein ähnliches durchscheinendes Material geklebt werden, die dadurch einen Träger für Schilder oder Werbung bildet.Window pane or a corresponding pane or plate made of glass, plexiglass or a similar translucent material are glued, which thereby forms a support for signs or advertising.
.o Um dem Schild oder der Werbung den gewünschten, glühenden, neonartigen.o The desired, glowing, neon-like
Effekt zu vermitteln, muss es mittels eines sogenannten unsichtbaren oder schwarzen Lichts beleuchtet werden.To convey the effect, it must be illuminated using a so-called invisible or black light.
In der EP-A1 -92 91 6 031 ist eine klebende, fluoreszierende Folie mit einer 2o durchscheinenden Schicht offenbart, die für UV-Strahlen undurchdringlich oder imEP-A1 -92 91 6 031 discloses an adhesive, fluorescent film with a 2 o translucent layer which is impenetrable for UV rays or in
Wesentlichen undurchdringlich ist.Is essentially impenetrable.
Ein Nachteil bei der Verwendung solcher klebender, fluoreszierender Folien in Form von zugeschnittenen Buchstaben, Figuren, Emblemen, Logogrammen undA disadvantage when using such adhesive, fluorescent films in the form of cut letters, figures, emblems, logos and
"5 dergleichen bei Schildern oder in der Werbung besteht darin, dass sich lediglich"5 The same with signs or in advertising is that only
Schriftzüge, Logos und einheitliche Farbfiächen hervorheben lassen, dass jedoch fotografische Abbildungen und Bilder im Allgemeinen in Farbabstufungen und Übergängen nicht dargestellt werden können. Weiterhin ist nachteilig, dass in aufwändigen Einzelschritten zahlreiche Folienzeichen (-muster) gefertigt undLetters, logos and uniform color areas emphasize that photographic images and pictures in general cannot be shown in color gradations and transitions. Another disadvantage is that numerous foil characters (patterns) are manufactured in complex individual steps
30 geschnitten werden müssen und die einzelnen einfarbigen Folienmuster im Rahmen der eigentlichen Gestaltung des Schilds oder der Werbefläche in Handarbeit positioniert und aufgeklebt werden müssen.30 have to be cut and the individual monochrome foil patterns have to be positioned and glued on by hand as part of the actual design of the sign or advertising space.
Durch die US-A-4 652 464 ist auch ein Verfahren zum Drucken von Kunst- oder 35 Werbegrafik unter Verwendung von sichtbaren und/oder unsichtbaren, fluores- zierenden Farbstoffen und nicht fluoreszierenden Farbstoffen in vielen Druckserien von Farben bekannt, wobei jede Druckserie mit einem festgelegten Druckmuster durchgeführt wird. Dabei wird im Druckprozess Kunst- und Werbegrafik mit derUS Pat. No. 4,652,464 also discloses a method for printing art or advertising graphics using visible and / or invisible, fluorescent ornamental dyes and non-fluorescent dyes are known in many print series of colors, each print series being carried out with a defined print pattern. Art and advertising graphics are used in the printing process
Eigenschaft hergestellt, einen Gegenstand unter deutlich unterschiedlichen Lichtbedingungen mit einem weichen Übergang darzustellen, wenn der Gegenstand unter Beleuchtungen betrachtet wird, die zwischen Tageslicht oder weißglühendem Licht bis hin zu UV-Licht variieren.Made property to represent an object under significantly different lighting conditions with a smooth transition when the object is viewed under illuminations that vary between daylight or incandescent light to UV light.
Bei diesem Verfahren werden während des Druckprozesses sichtbare und/oder unsichtbare, fluoreszierende Farbstoffe benutzt, die auf vorher ausgewählten Feldern des Bilds in einem festgelegten Muster angewendet werden, um die gewünschten Farben unter Normal- bzw. Tageslicht zu erhalten und um diese fluoreszierenden Farbstoffe mit den nicht fluoreszierenden Farbstoffen unter UV-In this method, visible and / or invisible fluorescent dyes are used during the printing process, which are applied to previously selected fields of the image in a defined pattern in order to obtain the desired colors under normal or daylight and to combine these fluorescent dyes with the non-fluorescent dyes under UV
Licht zu verschmelzen, so dass die fluoreszierenden Farbstoffe bei normalem Licht vermischt oder verdeckt sind.Melt light so that the fluorescent dyes are mixed or obscured in normal light.
Hierbei werden das relative Verhältnis und die Farben und verschiedenen Farbtöne der nicht fluoreszierenden Farbstoffe und der sichtbaren und unsichtbaren fluoreszierenden Farbstoffe vorher ausgewählt, um einen allmählichen, feinen Übergang auf dem Bild zu erreichen, wenn es unter Lichtverhältnissen betrachtet wird, die zwischen Tageslicht und UV-Licht wechseln, oder um den Effekt zu vermischen oder nuancieren oder um die Intensität der fluoreszierenden Farbstoffe in bestimmten Feldern abzuschwächen, um einen natürlicheren und weicherenHere, the relative ratio and the colors and different hues of the non-fluorescent dyes and the visible and invisible fluorescent dyes are preselected to achieve a gradual, fine transition on the image when viewed under lighting conditions between daylight and UV. Change light, or to mix or shade the effect, or to weaken the intensity of the fluorescent dyes in certain fields, to make them more natural and softer
Effekt unter UV-Licht zu erreichen.Achieve effect under UV light.
Der Nachteil des Verfahrens nach der US*A-4 652 464 liegt darin, dass der Druckprozess aufwändig abgeändert werden muss, um die Anwendung von fluores- zierenden Farbstoffen mit einzuschließen, und dass ein in viele Druckschritte ge- gliederter Druckprozess mit der Anwendung einer Vielzahl von bestimmten fluoreszierenden Farbstoffen erforderlich ist und zudem festgelegte Felder mit Ab- stufungen sowohl der normalen Farben als auch der unsichtbaren, fluoreszierendenThe disadvantage of the process according to US Pat. No. 4,652,464 lies in the fact that the printing process has to be modified in a complex manner in order to include the use of fluorescent dyes, and that a printing process which is carried out in many articulated printing process with the use of a variety of certain fluorescent dyes is required and also defined fields with gradations of both the normal colors and the invisible, fluorescent
Farbstoffe gedruckt werden müssen, um so den gewünschten Effekt zu prüfen, die auf dem Bild angewandten, fluoreszierenden Farbstoffe durch die normalen Tageslicht-Farbstoffmuster nicht zu beeinträchtigen.Dyes have to be printed in order to check the desired effect so that the fluorescent dyes used on the image are not affected by the normal daylight dye patterns.
Schließlich ist durch die DE-A 1 -1 96 20 090 ein Verfahren zur Herstellung von nachtleuchtenden Flächen bekannt, bei dem ein Rasterdruckverfahren mit Leuchtfarben Rot, Grün, Blau verwendet wird, so dass die Druckfläche bei Nacht leuchtet. In einer zweiten Druckreihe mit Lasurfarben kann das auf der Druckfläche dargestellte Motiv auch am Tage sichtbar gemacht werden. Die zweite Druckreihe dient dabei gleichzeitig als UV- und Reaktionsschutz der Leuchtfarben.Finally, from DE-A 1 -1 96 20 090 a method for producing noctilucent surfaces is known, in which a raster printing method with luminous colors red, green, blue is used so that the printing surface glows at night. In a second print series with glaze colors, the motif shown on the print surface can also be made visible during the day. The second series of prints also serves as UV and reaction protection for the fluorescent colors.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, die bisher erforderliche Vielzahl von Druckschritten und insbesondere die aufwändige Angleichung der fluoreszierenden Farben im Druckprozess zu vermeiden.The present invention is based on the object of avoiding the large number of printing steps required hitherto, and in particular the complex adjustment of the fluorescent colors in the printing process.
Diese Aufgabe wird durch die im Patentanspruch 1 genannten Merkmale gelöst.This object is achieved by the features mentioned in claim 1.
Besondere Erfordernisse bzw. Zusatzschritte sind damit nicht mehr erforderlich. Bisher wurden im Vier- und Mehrfarbdruckverfahren unsichtbare, fluoreszierende Farbstoffe in der genannten Form nicht eingesetzt. Die Vorteile der Erfindung bestehen insbesondere darin, dass statt einer Vielzahl von Druckschritten unter Einsatz unsichtbarer, fluoreszierender Druckfarben und Lacke die praxisüblichen Druckschritte durchgeführt werden und in diesem Zusammenhang wie auch beim Vier- und Mehrfarbdruck mit den herkömmlichen Grundfarben in der lithografischen Ausarbeitung eine authentische Bildwiedergabe durch gezielte Veränderung derSpecial requirements or additional steps are therefore no longer necessary. So far, invisible, fluorescent dyes in the stated form have not been used in four and multi-color printing processes. The advantages of the invention are, in particular, that instead of a large number of printing steps using invisible, fluorescent printing inks and varnishes, the printing steps which are customary in practice are carried out and in this connection, as in the case of four-color and multi-color printing, using conventional basic colors in the lithographic development, an authentic image reproduction targeted change of
Farbparamter jeder einzelnen Druckfarbe und im Druck selbst eine Feinabstimmung des Farbeindrucks durch eine Veränderung der aufgetragenen Farbmenge erfolgt. Dieses jedem Drucker bekannte Veränderungsverfahren kann sofort ohne be- sondere Schulung oder sonstiges Know-how problemlos durchgeführt werden.Color parameters of each individual printing ink and fine-tuning in the print itself the color impression by changing the amount of paint applied. This change process known to every printer can be carried out immediately without any special training or other know-how.
Weitere zweckmäßige und vorteilhaft Ausgestaltungen der Erfindung gehen aus den Unteransprüchen hervor.Further expedient and advantageous embodiments of the invention emerge from the subclaims.
Eine zweckmäßige Weiterbildung der Erfindung sieht vor, dass den Druckfarben und / oder Lacken organische Pigmente in dem Bereich von 1 5% bis 20%, fluoreszierende Pigmente im Bereich von 5% bis 30% und optisch aktive Substanzen im Bereich von 0% in ein Kilogramm Farbe zugemischt werden. Durch diese Maßnahmen wird eine sehr schwache Leuchtwirkung der Farben erziehlt.An expedient development of the invention provides that the printing inks and / or varnishes have organic pigments in the range from 15% to 20%, fluorescent pigments in the range from 5% to 30% and optically active substances in the range from 0% to one kilogram Color can be added. These measures create a very weak lighting effect of the colors.
Durch Maßnahmen des Anspruches 3 wird eine schwache, während durch die Maßnahmen des Anspruches 4 eine mittlere Leuchtwirkung der Farben erreichbar ist. Durch die Maßnahmen des Anspruches 5 wird eine starke Leuchtwirkung und schließlich durch die Maßnahmen des Anspruches 6 wird eine sehr starke Leucht- Wirkung der Farben erreicht.The measures of claim 3 make a weak one, while the measures of claim 4 achieve a medium luminous effect of the colors. By the measures of claim 5, a strong lighting effect and finally by the measures of claim 6, a very strong lighting effect of the colors is achieved.
Die Erfindung erstreckt sich auf ein Einfarbdruckverfahren. Bei den Druckfarben handelt es sich um hochlichtechte Druckfarben. Sonderfarbtöne können ebenfalls berücksichtigt werden.The invention extends to a single color printing process. The printing inks are highly lightfast printing inks. Special colors can also be taken into account.
Durch das Drucken mit fluoreszierenden Farben wird erreicht, dass die gedruckte Abbildung bei Tageslicht in ihrer Farbechtheit und -abstufung der Vorlage entspricht und als ganz normale Plakat- oder'Werbefiäche erscheint, allerdings mit der Wirkung, dass durch den Einsatz der fluoreszierenden Farbstoffe auch bei Tages- licht bereits eine höhere Leuchtkraft der Farben zum Ausdruck kommt, so dass die Abbildung dem Betrachter wesentlich eher als ein herkömmliches Vierfarbdruck- plakat ins Auge fällt.Printing with fluorescent inks ensures that the printed image corresponds to the original in terms of color fastness and gradation in daylight and appears as a completely normal poster or advertising surface, but with the effect that by using the fluorescent dyes even during the day - light already expresses a higher luminosity of the colors, so that the image catches the eye of the viewer much sooner than a conventional four-color print poster.
Als markantester Vorteil ist herauszustellen, dass das mit fluoreszierenden Farben gedruckte Bild, die Werbegrafik, Werbefläche oder dergleichen bei Nacht unter UV- Licht bei authentischer Farbwiedergabe im Verhältnis zur Tageslichtwirkung insge- samt aus sich heraus leuchtet, vergleichbar mit der Leuchtkraft eines Fernsehbildes, allerdings noch wirkungsvoller in allen Farbabstufungen dahingehend ist, dass in der Abbildung dreidimensionale Effekte mit der Leuchtwirkung einer Dia- Projektion entstehen und eine tiefe Räumlichkeit erzielt wird, so dass eine besondere Aufmerksamkeit des Betrachters erzielt wird. Im Übrigen leuchtet die auf dunklem Hintergrund aufgebrachte Bildfläche bei Nacht unter UV-Beleuchtung aus sich heraus, da die UV-Lichtquelle im Gegensatz zu weißem Licht kein Streulicht wirft.The most striking advantage is that the picture printed with fluorescent colors, the advertising graphics, advertising space or the like shines out of itself at night under UV light with authentic color reproduction in relation to the daylight effect, comparable to the luminosity of a television picture, but still It is more effective in all color gradations in that three-dimensional effects with the luminous effect of a slide projection are created in the image and a deep spatial effect is achieved, so that special attention is drawn to the viewer. Incidentally, the image surface on a dark background shines out of itself at night under UV lighting, since the UV light source does not throw any stray light, unlike white light.
Das Druckverfahren gemäß der vorliegenden Erfindung umfasst herkömmliche Ver- fahren und Materialien, wobei insbesondere die Verbindung der Funktion der Elemente die Erfindung ausmacht.The printing method according to the present invention comprises conventional methods and materials, in particular the combination of the function of the elements making up the invention.
Das Verhältnis einer prozentualen Mischung von fluoreszierenden Pigmenten und nicht floureszierenden Pigmenten variiert einerseits je nach den Einzelfarben bzw. Farbtönen, den verschieden Bedruckstoffen und andererseits je nach den ver¬ wendeten Druckverfahren, beispielsweise dem Offset- oder dem Siebdruckverfahren. Die Druckfarben lassen sich wie folgt beschreiben: herkömmliche Grundfarben und Sonderfarbtöne in Kombination mit organischen Pigmenten, fluoreszierenden Pigmenten und optisch aktiven Substanzen, wobei je nach Druckver- fahren, je nach Grundfarbe und Sondertönen und je nach Bedruckstoffen die Zu- mischung von organischen Pigmenten, fluoreszierenden Pigmenten und optisch 10 aktiven Substanzen in verschiedenen prozentualen Verhältnissen erfolgt.The ratio of a percentage mixture of fluorescent pigments and not florescent pigments varies depending on the one hand, individual colors or color shades, the various substrates and on the other hand, according to the ver ¬ used printing method such as the offset or screen printing. The printing inks can be described as follows: conventional basic colors and special colors in combination with organic pigments, fluorescent pigments and optically active substances, depending on the printing process drive, depending on the basic color and special tones and depending on the substrates, the admixture of organic pigments, fluorescent pigments and optically active substances in different percentages.
Ein bevorzugter Richtwert für das Verhältnis ist gemäß einer Ausbildung der Erfindung dadurch gegeben, dass die Pigmentzumischung auf ein Kilogramm Farbe bei organischen Pigmenten im Bereich von 0,5% bis 5%, bei floureszierenden Pig- u menten im Bereich von 1 5% bis 80% und bei optisch aktiven Substanzen imAccording to an embodiment of the invention, a preferred guideline value for the ratio is given in that the pigment admixture per kilogram of color is in the range from 0.5% to 5% for organic pigments and in the range from 15% to 80 in the case of fluorescent pigments % and in the case of optically active substances
Bereich von 0,5 % bis 1 % liegt.Range is 0.5% to 1%.
Die Erfindung wird durch das folgende Beispiel näher beschrieben.The invention is described in more detail by the following example.
20 Es soll eine fotografisch abgebildete Westernstadtsilhouette gedruckt werden, wobei im Vordergrund der Rücken einer Person abgebildet sei.20 A photographically depicted western city silhouette is to be printed, with the back of a person depicted in the foreground.
Dieses Motiv wird im Vierfarbdruckverfahren unter Verwendung unsichtbarer, fluoreszierender Druckfarben und Lacke hergestellt, wobei im Druckprozessschritt derThis motif is produced using the four-color printing process using invisible, fluorescent printing inks and varnishes, with the
?5 lithografischen Ausarbeitung wie auch beim herkömmlichen Vierfarbdruckverfahren die Farbabstufung entsprechend der Vorlage durch Veränderung der Farbparameter erreicht wird und im Druck selbst eine Feinabstimmung des Farbeindrucks durch entsprechendes Erhöhen oder Verringern der im Druck aufgetragenen Farbmenge erfolgt. Die Angleichung geschieht unter Berücksichtigung der Verwendung fluo-? 5 lithographic elaboration, as in the conventional four-color printing process, the color gradation is achieved according to the original by changing the color parameters and the print itself is fine-tuned by increasing or decreasing the amount of color applied in the print. The adjustment takes place taking into account the use of fluo-
30 reszierender Farbstoffe, die nicht der Euroskalennorm entsprechen, vorzugsweise auf Sicht.30 resident dyes that do not meet the Euroscale standard, preferably by sight.
Die mittels des vorgeschlagenen Verfahrens fluoreszierenden Werbeflächen können für jeden Verwendungszweck hergestellt werden, so auch für Verpackungen, die 35 im Gastronomiebereich mit UV-Beleuchtung Verwendung finden. The advertising surfaces fluorescent by means of the proposed method can be produced for any purpose, including packaging that is used in the catering sector with UV lighting.

Claims

10Patentansprüche 10Patentansprüche
1 . Verfahren zur Herstellung bedruckter, bei UV-Beleuchtung fluoreszierender ,5 Flächen unter Verwendung von Druckfarben und/ oder Lacken mit Pigmenten, die bei Normallicht unsichtbar und bei UV-Licht sichtbar sind, gekennzeichnet durch ein herkömmliches Ein- bzw. Mehrfarbdruck, vorzugsweise Vierfarbdruckverfahren, bei dem die fluoreszierenden Pigmente der Druckfarben, insbe- 0 sondere Gelb (Yellow), Blau (Cyan) und Rot (Magenta), und Sonderfarbtöne in einem definierten Verhältnis zu den nicht fluoreszierenden Pigmenten der Druckfarben stehen.1 . Process for the production of printed, 5 fluorescent surfaces with UV lighting using printing inks and / or varnishes with pigments that are invisible under normal light and visible under UV light, characterized by a conventional single or multi-color printing, preferably four-color printing process which the fluorescent pigments of the printing inks, in particular yellow (yellow), blue (cyan) and red (magenta), and special colors are in a defined relationship to the non-fluorescent pigments of the printing inks.
2. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass den Druckfarben und / oder Lacken organische Pigmente im Bereich von 1 5% bis 20%, floureszierende Pigmente im Bereich von 5% bis 30% und optisch aktive Substanzen im Bereich von 0% in ein Kilogramm Farbe gemischt werden. 02. The method according to claim 1, characterized in that the printing inks and / or lacquers organic pigments in the range from 1 5% to 20%, fluorescent pigments in the range from 5% to 30% and optically active substances in the range from 0% in one Kilograms of paint can be mixed. 0
3. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass in Druckfarben organische Pigmente im Bereich von 5% bis 1 5%, floureszierende Pigmente im Bereich von 1 0% bis 50% und optisch aktive Sub- 5 stanzen im Bereich von 0, 1 % bis 0,5% in ein Kilogramm Farbe zugemischt werden. 3. The method according to claim 1, characterized in that in printing inks organic pigments in the range from 5% to 1 5%, fluorescent pigments in the range from 1 0% to 50% and optically active substances in the range from 0.1% up to 0.5% can be mixed into one kilogram of paint.
4. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, 10 dass den Druckfarben und / oder Lacken organische Pigmente im Bereich von 0,5% bis 5%, floureszierende Pigmente im Bereich von 1 5% bis 80% und optisch aktive Substanzen von 0,5% bis 1 % in ein Kilogramm Farbe zugemischt werden.4. The method according to claim 1, characterized in that the printing inks and / or varnishes organic pigments in the range from 0.5% to 5%, fluorescent pigments in the range from 1 5% to 80% and optically active substances from 0.5 % to 1% can be mixed into one kilogram of paint.
ιa 5. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass den Druckfarben und / oder Lacken organsiche Pigmente im Bereich von 0,ιa 5. The method according to claim 1, characterized in that the printing inks and / or varnishes organic pigments in the range of 0,
5% bis 3%, floureszierende Pigmente im Bereich von 20% bis 85% und optisch aktive Substanzen im Bereich von 1 % bis 2% in ein Kilogramm5% to 3%, fluorescent pigments in the range from 20% to 85% and optically active substances in the range from 1% to 2% in one kilogram
20 Farbe zugemischt werden.20 colors can be mixed.
6. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass den Druckfarben und / oder Lacken organsich Pigmente im Bereich von ? . 0,5% bis 1 %>, floureszierende Pigmente im Bereich von 25% bis 90% und optisch aktive Substanzen im Bereich von 2% bis 5% in ein Kilogramm Farbe zugemischt werden. 6. The method according to claim 1, characterized in that the printing inks and / or varnishes organic pigments in the range of? , 0.5% to 1%>, fluorescent pigments in the range from 25% to 90% and optically active substances in the range from 2% to 5% can be mixed into one kilogram of color.
EP00960476A 1999-09-17 2000-08-17 Method for the production of printed surfaces Revoked EP1230093B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19945815 1999-09-17
DE19945815A DE19945815A1 (en) 1999-09-17 1999-09-17 Producing printed area that is fluorescent under ultraviolet light by replacing primary colors with inks containing fluorescent pigments
PCT/EP2000/008043 WO2001021415A1 (en) 1999-09-17 2000-08-17 Method for the production of printed surfaces

Publications (2)

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EP1230093A1 true EP1230093A1 (en) 2002-08-14
EP1230093B1 EP1230093B1 (en) 2004-03-31

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EP00960476A Revoked EP1230093B1 (en) 1999-09-17 2000-08-17 Method for the production of printed surfaces

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US (1) US6782813B1 (en)
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JP (1) JP2003509257A (en)
CN (1) CN1374907A (en)
AT (1) ATE263032T1 (en)
AU (1) AU7277100A (en)
DE (2) DE19945815A1 (en)
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WO (1) WO2001021415A1 (en)

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DE50005931D1 (en) 2004-05-06
US6782813B1 (en) 2004-08-31
ATE263032T1 (en) 2004-04-15
WO2001021415A1 (en) 2001-03-29
CN1374907A (en) 2002-10-16
JP2003509257A (en) 2003-03-11
EP1230093B1 (en) 2004-03-31
AU7277100A (en) 2001-04-24
DE19945815A1 (en) 2000-06-08

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