DE102006038386A1 - Sheet-offset printing machine, has ultraviolet dryer assigned to arm and arranged in conveying direction from electron beam dryer, where ultraviolet dryer is assigned to sheet outlet of printing or lacquer work - Google Patents
Sheet-offset printing machine, has ultraviolet dryer assigned to arm and arranged in conveying direction from electron beam dryer, where ultraviolet dryer is assigned to sheet outlet of printing or lacquer work Download PDFInfo
- Publication number
- DE102006038386A1 DE102006038386A1 DE200610038386 DE102006038386A DE102006038386A1 DE 102006038386 A1 DE102006038386 A1 DE 102006038386A1 DE 200610038386 DE200610038386 DE 200610038386 DE 102006038386 A DE102006038386 A DE 102006038386A DE 102006038386 A1 DE102006038386 A1 DE 102006038386A1
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- DE
- Germany
- Prior art keywords
- dryer
- assigned
- electron beam
- sheet
- ultraviolet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000010894 electron beam technology Methods 0.000 title claims abstract description 23
- 238000007639 printing Methods 0.000 title claims abstract description 16
- 238000007645 offset printing Methods 0.000 title claims description 7
- 239000004922 lacquer Substances 0.000 title abstract 3
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000002966 varnish Substances 0.000 claims description 10
- 238000001723 curing Methods 0.000 claims description 9
- 239000003973 paint Substances 0.000 claims description 7
- 238000003848 UV Light-Curing Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000976 ink Substances 0.000 description 20
- 238000001035 drying Methods 0.000 description 16
- 239000000758 substrate Substances 0.000 description 4
- 238000001227 electron beam curing Methods 0.000 description 3
- 230000005764 inhibitory process Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000019612 pigmentation Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/0403—Drying webs
- B41F23/0406—Drying webs by radiation
- B41F23/0409—Ultraviolet dryers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/0403—Drying webs
- B41F23/0436—Drying webs using a combination of radiation, conduction or convection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/044—Drying sheets, e.g. between two printing stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/0486—Particular types of dryers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Printing Methods (AREA)
Abstract
Description
Die Erfindung betrifft eine Bogenoffsetmaschine mit einer Elektronenstrahlhärtung für die Polymerisation von Druckfarben und Lacke.The The invention relates to a sheet-fed offset press with electron beam curing for the polymerization of printing inks and varnishes.
Die Elektronenstrahlhärtung ist neben der UV-Härtung eine bekannte Methode zur Härtung von Druckfarben und -lacken, die unter Energieeinfluss polymerisieren. Der Vorteil der Elektronenstrahlhärtung besteht darin, dass auf Photoinitiatoren verzichtet werden kann. Ein weiterer Vorteil der Elektronenstrahlhärtung besteht in der vollständigen Durchhärtung des Druckfarben- und Lackfilms, so dass keine Fragmente und Spaltungsreste im Druckfarben- und Lackfilm bestehen, die wie bei den UV-Druckfarben durch den Bedruckstoff auf das Packgut migrieren oder durch Abklatschmigration im Ausleger der Druckmaschine auf den im Stapel nachfolgenden Bogen übergehen können.The electron beam is in addition to UV curing a known method of curing of printing inks and varnishes that polymerize under the influence of energy. The advantage of electron beam curing is that on Photoinitiators can be dispensed with. Another advantage of electron beam exists in the complete curing of the ink and varnish film, leaving no fragments and cleavage residues in the ink and varnish film consist, as with the UV inks through migrate the substrate to the packaged goods or by Abklatschmigration in the delivery of the printing press on the subsequent arc in the stack can.
Elektronenstrahltrocknung wird daher hauptsächlich für die Herstellung von Lebensmittelverpackungen eingesetzt, auch wenn moderne UV-Druckfarben und Lacke einen hohen Sicherheitsstandard erreicht haben. Die Elektronenstrahltrocknung bietet die beste Durchhärtung und wird daher trotz Ihrer hohen Kosten oftmals in dem Lebensmittelverpackungsdruck angewandt. Die Elektronenstrahltrocknung ist auch „farbenblind", d.h. die Durchhärtung des Druckfarbenfilms wird nicht wie bei der UV-Härtung durch die Pigmentierung der Druckfarbe beeinflusst. Ein weiterer Vorteil der Elektronenstrahltrocknung liegt in der besseren Verankerung des Druckfarbenfilms auf dem Substrat, da durch die Elektronenstrahltrocknung viele Radikale gebildet werden, die die Verankerung des Druckfarbenfilms auf dem polymeren Substrat verbessern.electron drying becomes therefore mainly for the Production of food packaging used, even if modern UV inks and varnishes achieved a high safety standard to have. The electron beam drying offers the best curing and Therefore, despite its high cost is often in the food packaging printing applied. The electron beam drying is also "color blind", i.e. the through hardening of the Printing ink film does not become like the UV curing by the pigmentation the ink affected. Another advantage of electron beam drying lies in the better anchoring of the ink film on the substrate, since many radicals are formed by the electron beam drying, the anchoring of the ink film on the polymeric substrate improve.
Ein wesentlicher Nachteil der Elektronenstrahltrocknung besteht darin, dass sie eine inerte Umgebung benötigen, die z.B. durch eine Stickstoffspülung hergestellt werden kann. Die Anwesenheit von Sauerstoff führt zu einer Inhibierung der Po lymerisation und damit eventuell unzureichenden Aushärtung. In UV-Druckfarben kommt es auch zu einer Inhibierung, diese kann aber durch die Zugabe von Aminen gestoppt und abgewendet werden. Diese Zugabe von Aminen führt aber zu keinem Erfolg bei der Elektronenstrahltrocknung, die daher nach dem Stand der Technik immer eine inerte Atmosphäre benötigt.One significant disadvantage of electron beam drying is that that they require an inert environment, e.g. by a nitrogen purge can be produced. The presence of oxygen leads to a Inhibition of Po lymerisation and thus possibly insufficient Curing. In UV printing inks there is also an inhibition, this can but stopped by the addition of amines and averted. This addition of amines leads but no success in electron beam drying, therefore always requires an inert atmosphere in the prior art.
Die Elektronenstrahltrocknung wird in der Regel am Ende der Druckmaschine installiert, da das Equipment sehr teuer und gleichzeitig geeignet ist mehrere Druckfarben- und Lackschichten auszuhärten. Auch wird oftmals gewünscht dem Lack, der in einem Lackwerk aufgetragen wird, eine ausreichende Verlaufszeit für eine gute Glanzentwicklung zu geben. Dies schließt in der Regel eine Anwendung in einer Bogendruckmaschine aus, da aufgrund der umlaufenden Greifersysteme im Ausleger eine Bogendruckmaschine und durch die Luftverwirbelungen zum Beispiel durch Bogenführungselemente nur unter sehr hohem Aufwand und Gasverbrauch eine inerte Atmosphäre geschaffen werden kann. Auch wenn einige Anwendungen der Elektronenstrahltrocknung in Bogenmaschinen bekannt geworden sind, haben sich diese Anwendungen nur in dem Rollenoffsetdruck auf breiter Front durchgesetzt, da hier eine inerte Atmosphäre einfacher geschaffen werden kann.The Electron beam drying is usually at the end of the printing press installed because the equipment is very expensive and suitable at the same time is to cure several printing ink and varnish layers. Also is often desired the paint, which is applied in a coating unit, a sufficient History for to give a good gloss development. This usually includes an application in a sheet-fed press, because of the rotating gripper systems in the boom a sheetfed press and by the Luftverwirbelungen to Example by sheet guiding elements created an inert atmosphere only at great expense and gas consumption can be. Although some applications of electron beam drying have become known in sheetfed machines, these applications have enforced only in the web offset printing on a broad front, since here an inert atmosphere can be created easier.
Aufgabe dieser Erfindung ist es, eine Elektronenstrahltrocknung in einer Bogenoffsetdruckmaschine ermöglichen, ohne dass ein hoher Aufwand für die Schaffung einer inerten Atmosphäre benötigt wird.task This invention is an electron beam drying in a Enable sheetfed offset printing press, without a high outlay for the creation of an inert atmosphere is needed.
Die Aufgabe wird gelöst mit den Merkmalen einer Vorrichtung nach Anspruch 1 und eines Verfahrens nach Anspruch 2.The Task is solved with the features of a device according to claim 1 and a method according to claim 2.
In vorteilhafter Weise wird demnach erfindungsgemäß eine Elektronenstrahltrocknung dadurch ermöglicht, indem den Druckfarben und Lacken geringe Mengen von Photoinitiatoren beigegeben werden. Die Photoinitiatoren erzielen vorzugsweise eine Oberflächenhärtung des bzw. der Druckfarben oder Lackfilme unter UV-Strahlung. Anschließend an eine erste Trocknungsstufe mit UV-Härtung erfolgt eine Elektronenstrahlhärtung, die für die komplette und rückstandsfreie Durchhärtung sorgt. Alternativ kann auch nur der Lackfilm, sofern er den bzw. die gesamten Druckfarbenfilm bzw. -filme bedeckt, mit einem Photoinitiator versehen sein.In Advantageously, according to the invention, therefore, an electron beam drying thereby enabling by adding small amounts of photoinitiators to the printing inks and varnishes be added. The photoinitiators preferably achieve one Surface hardening of the or the printing inks or paint films under UV radiation. Afterwards a first drying stage with UV curing is carried out electron beam curing, the for the complete and residue-free curing provides. Alternatively, only the paint film, if he or the entire ink film or films covered with a photoinitiator be provided.
Der Vorteil der gefunden Lösung liegt darin, dass auf die im Bogenoffsetdruck aufwendig realisierbare Inhibierung weitgehend oder ganz verzichtet werden kann, aber trotzdem die Vorteile der Elektronenstrahltrocknung, nämlich die komplette und sichere Durchhärtung des Druckfarben- und Lackfilms genutzt werden kann. Durch die Anhärtung der Oberfläche mit UV-Strahlern wird diese weniger Durchlässig für Luftsauerstoff und die Härtungsreaktion durch die Elektronenstrahltrocknung kann weitgehend ungestört ablaufen. Dieses Verfahren ist nicht nur auf die Oberflächenhärtung des Druckfarben- und Lackfilms beschränkt, sondern die Elektronenstrahltrocknung kann auch für die Nachhärtung komplett mit UV-Strahlung gehärteten Druckfarben- und Lackfilmen eingesetzt werden.Of the Advantage of the solution found lies in the fact that in the sheetfed offset complicated realizable Inhibition can be largely or completely waived, but still the advantages of electron beam drying, namely the complete and safe curing of the ink and varnish film can be used. By the hardening of the surface with UV lamps this becomes less permeable to atmospheric oxygen and the curing reaction by electron beam drying can proceed largely undisturbed. This process is not limited to the surface hardening of the ink and ink Paint film limited, but the electron beam drying can also be complete for the post cure cured with UV radiation Printing ink and paint films are used.
Ein weiterer Vorteil des gewählten Verfahrens besteht darin, dass durch die Elektronenstrahltrocknung die Haftung der Druckfarben- und Lackfilme auf einem polymeren Drucksubstrat verbessert werden kann.One further advantage of the chosen Method is that by the electron beam drying the adhesion of the ink and varnish films on a polymeric printing substrate can be improved.
Claims (5)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200610038386 DE102006038386A1 (en) | 2006-08-15 | 2006-08-15 | Sheet-offset printing machine, has ultraviolet dryer assigned to arm and arranged in conveying direction from electron beam dryer, where ultraviolet dryer is assigned to sheet outlet of printing or lacquer work |
| EP07014965A EP1892097A2 (en) | 2006-08-15 | 2007-07-31 | Sheet-fed offset printing press with electron beam curing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200610038386 DE102006038386A1 (en) | 2006-08-15 | 2006-08-15 | Sheet-offset printing machine, has ultraviolet dryer assigned to arm and arranged in conveying direction from electron beam dryer, where ultraviolet dryer is assigned to sheet outlet of printing or lacquer work |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102006038386A1 true DE102006038386A1 (en) | 2008-02-21 |
Family
ID=38920941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE200610038386 Withdrawn DE102006038386A1 (en) | 2006-08-15 | 2006-08-15 | Sheet-offset printing machine, has ultraviolet dryer assigned to arm and arranged in conveying direction from electron beam dryer, where ultraviolet dryer is assigned to sheet outlet of printing or lacquer work |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1892097A2 (en) |
| DE (1) | DE102006038386A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108481896A (en) * | 2018-03-20 | 2018-09-04 | 广州通泽机械有限公司 | A kind of instant curing type compounding machine of satellite-type flexible printing machine line EB irradiation |
| CN108481897A (en) * | 2018-03-20 | 2018-09-04 | 广州通泽机械有限公司 | A kind of instant curing type compounding machine of stacked flexible printing machine line EB irradiation |
-
2006
- 2006-08-15 DE DE200610038386 patent/DE102006038386A1/en not_active Withdrawn
-
2007
- 2007-07-31 EP EP07014965A patent/EP1892097A2/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP1892097A2 (en) | 2008-02-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8127 | New person/name/address of the applicant |
Owner name: MANROLAND AG, 63075 OFFENBACH, DE |
|
| R081 | Change of applicant/patentee |
Owner name: MANROLAND SHEETFED GMBH, DE Free format text: FORMER OWNER: MANROLAND AG, 63075 OFFENBACH, DE Effective date: 20120510 |
|
| R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20130301 |