EP1593920A2 - Process for drying dispersion coatings and printing inks. - Google Patents
Process for drying dispersion coatings and printing inks. Download PDFInfo
- Publication number
- EP1593920A2 EP1593920A2 EP20050009715 EP05009715A EP1593920A2 EP 1593920 A2 EP1593920 A2 EP 1593920A2 EP 20050009715 EP20050009715 EP 20050009715 EP 05009715 A EP05009715 A EP 05009715A EP 1593920 A2 EP1593920 A2 EP 1593920A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- drying
- dispersion
- dryer
- printing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000006185 dispersion Substances 0.000 title claims abstract description 42
- 238000001035 drying Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000007639 printing Methods 0.000 title claims abstract description 33
- 230000008569 process Effects 0.000 title claims abstract description 9
- 238000000576 coating method Methods 0.000 title claims description 17
- 239000000976 ink Substances 0.000 title description 19
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 239000004922 lacquer Substances 0.000 claims abstract description 9
- 230000005855 radiation Effects 0.000 claims abstract description 5
- 229920001577 copolymer Polymers 0.000 claims description 36
- 239000002966 varnish Substances 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 14
- 239000011347 resin Substances 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 150000002334 glycols Chemical class 0.000 claims description 10
- 230000003472 neutralizing effect Effects 0.000 claims description 10
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 9
- 239000003755 preservative agent Substances 0.000 claims description 9
- 230000002335 preservative effect Effects 0.000 claims description 9
- 239000001993 wax Substances 0.000 claims description 9
- 239000000080 wetting agent Substances 0.000 claims description 9
- 239000013530 defoamer Substances 0.000 claims description 8
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 8
- 239000004014 plasticizer Substances 0.000 claims description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000007645 offset printing Methods 0.000 claims description 4
- QCAHUFWKIQLBNB-UHFFFAOYSA-N 3-(3-methoxypropoxy)propan-1-ol Chemical compound COCCCOCCCO QCAHUFWKIQLBNB-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000012860 organic pigment Substances 0.000 claims description 3
- 238000004132 cross linking Methods 0.000 claims description 2
- 238000007646 gravure printing Methods 0.000 claims description 2
- 239000001023 inorganic pigment Substances 0.000 claims description 2
- 238000007649 pad printing Methods 0.000 claims description 2
- 238000010422 painting Methods 0.000 claims description 2
- 238000007650 screen-printing Methods 0.000 claims description 2
- 239000004815 dispersion polymer Substances 0.000 claims 1
- 239000003973 paint Substances 0.000 description 20
- 229920005692 JONCRYL® Polymers 0.000 description 8
- 229920005733 JONCRYL® 682 Polymers 0.000 description 7
- HXHCOXPZCUFAJI-UHFFFAOYSA-N prop-2-enoic acid;styrene Chemical compound OC(=O)C=C.C=CC1=CC=CC=C1 HXHCOXPZCUFAJI-UHFFFAOYSA-N 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- -1 steam Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000011111 cardboard Substances 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 206010013786 Dry skin Diseases 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- CUZMQPZYCDIHQL-VCTVXEGHSA-L calcium;(2s)-1-[(2s)-3-[(2r)-2-(cyclohexanecarbonylamino)propanoyl]sulfanyl-2-methylpropanoyl]pyrrolidine-2-carboxylate Chemical compound [Ca+2].N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1.N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1 CUZMQPZYCDIHQL-VCTVXEGHSA-L 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 235000021485 packed food Nutrition 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
- F26B3/30—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun from infrared-emitting elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
- F26B3/283—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun in combination with convection
Definitions
- the invention relates to a process for drying a dispersion varnish and / or an ink on a substrate.
- Fastness means chemical and physical resistance against chemical substances and against mechanical and thermal stress as well as resistance to sealing of films.
- UV paints used are only because of their chemical structure conditionally suitable for use in food packaging.
- oligomers and prepolymers may remain in the paint, resulting in deterioration smell and taste of the packaged food can.
- water-based paints and varnishes do not have this disadvantage on. They are low in migration and low in odor and therefore contribute easily Food packaging used.
- the object of the invention is to provide a method for drying a Dispersion varnish and / or a printing ink on a substrate to provide, by means of which high gloss at high printing speed can be achieved.
- the object could surprisingly be achieved by a process for drying a dispersion varnish and / or a printing ink on a printing substrate, which is characterized in that a NIR (near infrared) dryer with a wavelength range of 0.8-2.0 microns, preferably 0.8-1.2 microns, and a radiation density of 200 - 1000 kW / m 2 is used and the NIR dryer is a TL (thermo-air) dryer and / or an IR dryer upstream or downstream / will ,
- a NIR near infrared
- Such a dryer is described for example in DE 198 07 643 A1.
- Preferred is a method in which the radiation density of the dryer 400 - 1000 kW / m 2 .
- Another essential advantage of the invention lies in the rapid networking the reactive groups in the paint or the paint due to the high energy density of the Dryer. Rapid crosslinking of the reactive groups leads to achievement high fastnesses of the dried lacquers or color layers.
- Very high layer thicknesses of the paints or varnishes also have the Advantage that good barrier properties are achieved.
- barrier properties can be directed against water, steam, fats, gases, etc. and protect the packaged goods in an excellent way.
- a special case of this Barrier properties are flavoring, whereby the layers of colors or varnishes ensure that the flavorings of the filling material in the packaging remain.
- Another advantage given by the invention is the achievement of Matt-gloss effects.
- a targeted insufficient Wetting of aqueous lacquers on special oil-based printing lacquers a good Matte effect achieved, which works particularly well in addition to strong shiny surfaces.
- inventively drying paints with high layer thickness necessary.
- the TL (thermo-air) dryer with extraction and / or the IR dryer are used the support of the drying process.
- the TL dryer is used for accelerated Removal of moisture, the IR dryer of preheating.
- the method characterized in that before or after drying on the dispersion varnish the ink is printed.
- the dispersion varnish and / or the Printing ink printed in offset, flexo, stitch, gravure, screen or pad printing become.
- the paint or the printing ink is preferably used with a layer thickness of 0.5 to 50 .mu.m, particularly preferably 3 to 30 .mu.m wet film layer applied.
- Such a dispersion varnish can 1-80 wt .-%, preferably 1-60 wt .-% of a styrene-acrylate copolymer in the form of an aqueous dispersion, 0-60% by weight, preferably 0-40% by weight, of a styrene-acrylate copolymer in the form of an aqueous resin solution, 0-10 wt .-%, preferably 0-5 wt .-% waxes 0-10% by weight, preferably 0-5% by weight wetting agent, 0-5 wt.% Plasticizer, 0-10% by weight, preferably 0-5% by weight of glycol ether, 0-10% by weight of glycols, 0.1-3% by weight, preferably 0.1-2% by weight defoamer, 0.1-4 wt .-%, preferably 0.1-2 wt .-% neutralizing agent, 0-1 wt% preservative and 0-20% by weight of water include
- a specially adapted to the process of the invention ink can 1-40% by weight of one or more organic or inorganic pigments, 1-80% by weight of a styrene-acrylate copolymer in the form of an aqueous dispersion, 0-60% by weight of a styrene-acrylate copolymer in the form of an aqueous resin solution, 0-10% by weight of waxes 0-10 wt% wetting agent, 0-5 wt.% Plasticizer, 0-10% by weight of glycol ether, 0-10% by weight of glycols, 0.1-3% by weight defoamer, 0.1-4% by weight of neutralizing agent, 0-1 wt% preservative and 20% by weight of water include.
- the lacquer or the printing ink comprises additionally 1-10% by weight of a dihydric or higher alcohol.
- the lacquer or the printing ink comprises 1-5 wt .-% dipropylene glycol monomethyl ether and / or 1-5 wt .-% glycerol and / or 1-5% by weight of propylene glycol.
- copolymers and polymers used in the coatings and inks are used in used different molecular weights.
- the copolymers In the aqueous polymer dispersions the copolymers have a molecular weight of over 100,000 g / mol.
- the copolymers In the aqueous resin solutions, the copolymers have a molecular weight of over 1,000 g / mol.
- the polymers and polymer dispersions used can also reactive groups such as ketofunctional groups and amine groups contain.
- the polymers or copolymers can be selected from a wide range of monomers be constructed.
- glycols propylene glycol or ethylene glycol can be used, as Glycol ether is preferably used dipropylene glycol monomethyl ether.
- Suitable co-solvents are alcohols, such as, for example, ethanol or isopropanol be used.
- Neutralizing agents such as amines or ammonia are used.
- the printing substrate with a Conveying speed of 1-25 m / s, preferably from 2-15 m / s promoted.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Paints Or Removers (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zum Trocknen eines Dispersionslacks und/oder einer Druckfarbe auf einem Bedruckstoff.The invention relates to a process for drying a dispersion varnish and / or an ink on a substrate.
Langsam trocknende, wasserbasierte Lacke und Druckfarben müssen mit konventionellen Infrarot-Trocknern mit relativ geringen Druckmaschinengeschwindigkeiten verarbeitet werden, um hinreichend gute Glanzeigenschaften zu erzielen. Hierbei werden relativ niedrige Schichtdicken appliziert.Slow-drying, water-based paints and printing inks must be mixed with conventional Infrared dryers with relatively low press speeds be processed in order to achieve sufficiently good glare properties. In this case, relatively low layer thicknesses are applied.
Hohe Schichtdicken des Lacks haben jedoch eine Reihe von Vorteilen. Sie führen zu sehr guten Glanzergebnissen und zu guten Resistenzen, auch Echtheiten genannt, sowie zu einer sehr guten Scheuerfestigkeit.However, high layer thicknesses of the paint have a number of advantages. They lead to very good gloss results and to good resistances, also fastnesses called, as well as a very good rub resistance.
Unter Echtheiten versteht man chemische und physikalische Beständigkeit gegenüber chemischen Stoffen und gegen mechanische und thermische Beanspruchung sowie Beständigkeit gegenüber Versiegelung von Folien.Fastness means chemical and physical resistance against chemical substances and against mechanical and thermal stress as well as resistance to sealing of films.
Deshalb werden üblicherweise zur Erreichung sehr guter Glanzergebnisse UV-Lacke eingesetzt. Diese sind allerdings wegen ihres chemischen Aufbaus nur bedingt für den Einsatz bei Lebensmittelverpackungen geeignet. Bei UV-Lacken können Oligomere und Präpolymere im Lack verbleiben, was zu einer Beeinträchtigung von Geruch und Geschmack des verpackten Lebensmittels führen kann.Therefore, usually to achieve very good gloss results UV paints used. These are only because of their chemical structure conditionally suitable for use in food packaging. For UV coatings For example, oligomers and prepolymers may remain in the paint, resulting in deterioration smell and taste of the packaged food can.
Demgegenüber weisen wasserbasierte Farben und Lacke diesen Nachteil nicht auf. Sie sind migrationsarm und geruchsarm und werden daher problemlos bei Lebensmittelverpackungen eingesetzt.In contrast, water-based paints and varnishes do not have this disadvantage on. They are low in migration and low in odor and therefore contribute easily Food packaging used.
Die Aufgabe der Erfindung besteht darin, ein Verfahren zum Trocknen eines Dispersionslacks und/oder einer Druckfarbe auf einem Bedruckstoff bereitzustellen, mittels dessen hoher Glanz bei hoher Druckgeschwindigkeit erreicht werden kann.The object of the invention is to provide a method for drying a Dispersion varnish and / or a printing ink on a substrate to provide, by means of which high gloss at high printing speed can be achieved.
Die Aufgabe konnte überraschenderweise durch ein Verfahren zum Trocknen eines Dispersionslacks und/oder einer Druckfarbe auf einem Bedruckstoff gelöst werden, das dadurch gekennzeichnet ist, dass ein NIR-(nahes Infrarot) Trockner mit einem Wellenlängenbereich von 0,8-2,0 µm, vorzugsweise von 0,8-1,2 µm, und einer Strahlungsdichte von 200 - 1000 kW/m2 eingesetzt wird und dem NIR-Trockner ein TL-(Thermoluft-) Trockner und/oder ein IR-Trockner vor- oder nachgeschaltet wird/werden.The object could surprisingly be achieved by a process for drying a dispersion varnish and / or a printing ink on a printing substrate, which is characterized in that a NIR (near infrared) dryer with a wavelength range of 0.8-2.0 microns, preferably 0.8-1.2 microns, and a radiation density of 200 - 1000 kW / m 2 is used and the NIR dryer is a TL (thermo-air) dryer and / or an IR dryer upstream or downstream / will ,
Ein solcher Trockner wird beispielsweise in der DE 198 07 643 A1 beschrieben.Such a dryer is described for example in DE 198 07 643 A1.
Bevorzugt ist ein Verfahren, bei dem die Strahlungsdichte des Trockners 400 - 1000 kW/m2 beträgt.Preferred is a method in which the radiation density of the dryer 400 - 1000 kW / m 2 .
Durch die Erfindung können nunmehr hohe Schichtdicken, insbesondere von wasserbasierten Lacken und Farben auf Folien und Verbundmaterialien aufgetragen und getrocknet werden. Das Verfahren ist aber auch in hervorragender Weise geeignet für Bedruckstoffe, wie Papier und Karton.By the invention now high layer thicknesses, in particular of water-based paints and paints applied to films and composite materials and dried. The process is also in excellent Suitable for substrates such as paper and cardboard.
Durch die Erfindung können nunmehr insbesondere wasserbasierte Lacke und Farben in hohen Schichtdicken und hohen Maschinengeschwindigkeiten eingesetzt werden, was einen überraschenden und wesentlichen Fortschritt auf dem Gebiet der Trocknung von Lacken und Farben darstellt. So ist es nunmehr möglich, UV-Lacke bzw. UV-Farben durch ökologisch unbedenklichere wasserbasierte Farben für Verpackungen von Lebensmitteln zumindest teilweise zu ersetzen, ohne dass ein Glanzverlust des Druckes damit einhergeht.By the invention now especially water-based paints and Colors used in high layer thicknesses and high machine speeds what a surprising and significant progress on the Field of drying of paints and colors represents. That's the way it is now possible, UV lacquers or UV inks by ecologically safer water-based Colors for food packaging at least partially too replace without a loss of gloss of the pressure associated with it.
Ein weiterer wesentlicher Vorteil der Erfindung liegt in der schnellen Vernetzung der reaktiven Gruppen im Lack oder der Farbe durch die hohe Energiedichte des Trockners. Eine schnelle Vernetzung der reaktiven Gruppen führt zum Erzielen hoher Echtheiten der getrockneten Lacke oder Farbschichten. Another essential advantage of the invention lies in the rapid networking the reactive groups in the paint or the paint due to the high energy density of the Dryer. Rapid crosslinking of the reactive groups leads to achievement high fastnesses of the dried lacquers or color layers.
Sehr hohe Schichtdicken der Farben oder Lacke haben darüber hinaus den Vorteil, dass damit gute Barriereeigenschaften erzielt werden. Solche Barriereeigenschaften können sich gegen Wasser, Wasserdampf, Fette, Gase etc. richten und in hervorragender Weise das Verpackungsgut schützen. Ein Spezialfall dieser Barriereeigenschaften sind Aromadichtigkeiten, wobei die Schichten von Farben oder Lacken gewährleisten, dass die Aromastoffe des Füllguts in der Verpackung erhalten bleiben.Very high layer thicknesses of the paints or varnishes also have the Advantage that good barrier properties are achieved. Such barrier properties can be directed against water, steam, fats, gases, etc. and protect the packaged goods in an excellent way. A special case of this Barrier properties are flavoring, whereby the layers of colors or varnishes ensure that the flavorings of the filling material in the packaging remain.
Ein weiterer Vorteil, der durch die Erfindung gegeben ist, besteht im Erzielen von Matt-Glanz-Effekten. Hierbei wird beispielsweise durch eine gezielte ungenügende Benetzung von wässrigen Lacken auf speziellen ölbasierten Drucklacken ein guter Matteffekt erzielt, der neben stark glänzenden Flächen besonders gut wirkt. Hierzu sind die erfindungsgemäß trocknenden Lacke mit hoher Schichtdicke nötig.Another advantage given by the invention is the achievement of Matt-gloss effects. Here, for example, by a targeted insufficient Wetting of aqueous lacquers on special oil-based printing lacquers a good Matte effect achieved, which works particularly well in addition to strong shiny surfaces. For this are the inventively drying paints with high layer thickness necessary.
Der TL-(Thermoluft-) Trockner mit Absaugung und/oder der IR-Trockner dienen der Unterstützung des Trockenprozesses. Der TL-Trockner dient der beschleunigten Abfuhr von Feuchtigkeit, der IR-Trockner der Vorerwärmung.The TL (thermo-air) dryer with extraction and / or the IR dryer are used the support of the drying process. The TL dryer is used for accelerated Removal of moisture, the IR dryer of preheating.
In einer weiteren bevorzugten Ausführungsform der Erfindung ist das Verfahren dadurch gekennzeichnet, dass vor oder nach der Trocknung auf dem Dispersionslack die Druckfarbe gedruckt wird.In a further preferred embodiment of the invention, the method characterized in that before or after drying on the dispersion varnish the ink is printed.
Die Verfahrensschritte lauten wie folgt:
Eine Permutation der Verfahrensschritte ist hierbei möglich. Die am häufigsten
durchgeführten Verfahrensschritte lauten wie folgt:
Bei dem erfindungsgemäße Verfahren kann der Dispersionslack und/oder die Druckfarbe im Offset-, Flexo-, Stich-, Tief-, Sieb- oder Tampondruck gedruckt werden.In the method according to the invention, the dispersion varnish and / or the Printing ink printed in offset, flexo, stitch, gravure, screen or pad printing become.
Es ist auch möglich, dass der Dispersionslack und/oder die Druckfarbe in einer Offsetdruckmaschine mittels eines Lackierwerks, in der Regel mittels eines Flexolackierwerks aufgetragen wird / werden.It is also possible that the dispersion varnish and / or the printing ink in one Offset printing machine by means of a coating unit, usually by means of a Flexolackierwerks is / are applied.
Der Lack oder die Druckfarbe wird vorzugsweise mit einer Schichtdicke von 0,5 - 50 µm, insbesondere bevorzugt 3 - 30 µm Nassfilmschicht aufgetragen.The paint or the printing ink is preferably used with a layer thickness of 0.5 to 50 .mu.m, particularly preferably 3 to 30 .mu.m wet film layer applied.
Bevorzugt ist der Einsatz eines Dispersionslacks bzw. einer Druckfarbe, die speziell an das Verfahren angepasst sind.Preference is given to the use of a dispersion varnish or a printing ink which specially adapted to the process.
Ein solcher Dispersionslack kann
1-80 Gew.-%, vorzugsweise 1-60 Gew.-% eines Styrol-Acrylat-Copolymers in
Form einer wässrigen Dispersion,
0-60 Gew.-%, vorzugsweise 0-40 Gew.-%, eines Styrol-Acrylat-Copolymers in
Form einer wässrigen Harzlösung,
0-10 Gew.-%, vorzugsweise 0-5 Gew.-% Wachse
0-10 Gew.-%, vorzugsweise 0-5 Gew.-% Netzmittel,
0-5 Gew.-% Weichmacher,
0-10 Gew.-%, vorzugsweise 0-5 Gew.-% Glykolether,
0-10 Gew.-% Glykole,
0,1-3 Gew.-%, vorzugsweise 0,1-2 Gew.-% Entschäumer,
0,1-4 Gew.-%, vorzugsweise 0,1-2 Gew.-% Neutralisationsmittel,
0-1 Gew.-% Konservierungsmittel und
0-20 Gew.-% Wasser
umfassen.Such a dispersion varnish can
1-80 wt .-%, preferably 1-60 wt .-% of a styrene-acrylate copolymer in the form of an aqueous dispersion,
0-60% by weight, preferably 0-40% by weight, of a styrene-acrylate copolymer in the form of an aqueous resin solution,
0-10 wt .-%, preferably 0-5 wt .-% waxes
0-10% by weight, preferably 0-5% by weight wetting agent,
0-5 wt.% Plasticizer,
0-10% by weight, preferably 0-5% by weight of glycol ether,
0-10% by weight of glycols,
0.1-3% by weight, preferably 0.1-2% by weight defoamer,
0.1-4 wt .-%, preferably 0.1-2 wt .-% neutralizing agent,
0-1 wt% preservative and
0-20% by weight of water
include.
Bevorzugt ist auch der Einsatz einer speziell an das erfindungsgemäße Verfahren
angepassten Druckfarbe. Diese kann
1-40 Gew.-% eines oder mehrerer organischer oder anorganischer Pigmente,
1-80 Gew.-% eines Styrol-Acrylat-Copolymers in Form einer wässrigen Dispersion,
0-60 Gew.-% eines Styrol-Acrylat-Copolymers in Form einer wässrigen Harzlösung,
0-10 Gew.-% Wachse
0-10 Gew.-% Netzmittel,
0-5 Gew.-% Weichmacher,
0-10 Gew.-% Glykolether,
0-10 Gew.-% Glykole,
0,1-3 Gew.-% Entschäumer,
0,1-4 Gew.-% Neutralisationsmittel,
0-1 Gew.-% Konservierungsmittel und
20 Gew.-% Wasser
umfassen.Also preferred is the use of a specially adapted to the process of the invention ink. This can
1-40% by weight of one or more organic or inorganic pigments,
1-80% by weight of a styrene-acrylate copolymer in the form of an aqueous dispersion,
0-60% by weight of a styrene-acrylate copolymer in the form of an aqueous resin solution,
0-10% by weight of waxes
0-10 wt% wetting agent,
0-5 wt.% Plasticizer,
0-10% by weight of glycol ether,
0-10% by weight of glycols,
0.1-3% by weight defoamer,
0.1-4% by weight of neutralizing agent,
0-1 wt% preservative and
20% by weight of water
include.
In einer spezielle Ausführungsform umfasst der Lack oder die Druckfarbe zusätzlich 1-10 Gew.-% eines di- oder höherwertigen Alkohols.In a specific embodiment, the lacquer or the printing ink comprises additionally 1-10% by weight of a dihydric or higher alcohol.
In einer weiteren spezielle Ausführungsform umfasst der Lack oder die Druckfarbe 1-5 Gew.-% Dipropylenglykolmonomethylether und/oder 1-5 Gew.-% Glycerin und/oder 1-5 Gew.-% Propylenglykol.In a further specific embodiment, the lacquer or the printing ink comprises 1-5 wt .-% dipropylene glycol monomethyl ether and / or 1-5 wt .-% glycerol and / or 1-5% by weight of propylene glycol.
Die in den Lacken und Farben eingesetzten Copolymere und Polymere werden in unterschiedlichen Molekulargewichten eingesetzt. In den wässrigen Polymerdispersionen haben die Copolymere ein Molekulargewicht von über 100.000 g/Mol. The copolymers and polymers used in the coatings and inks are used in used different molecular weights. In the aqueous polymer dispersions the copolymers have a molecular weight of over 100,000 g / mol.
In den wässrigen Harzlösungen haben die Copolymere ein Molekulargewicht von über 1.000 g/Mol. Die eingesetzten Polymere und Polymerdispersionen können auch reaktive Gruppen, wie beispielsweise ketofunktionelle Gruppen und Amingruppen enthalten.In the aqueous resin solutions, the copolymers have a molecular weight of over 1,000 g / mol. The polymers and polymer dispersions used can also reactive groups such as ketofunctional groups and amine groups contain.
Die Polymere oder Copolymere können aus einer breiten Palette von Monomeren aufgebaut sein.The polymers or copolymers can be selected from a wide range of monomers be constructed.
Als Glykole können Propylenglykol oder Ethylenglycol eingesetzt werden, als Glykolether wird bevorzugt Dipropylenglykolmonomethylether eingesetzt.As glycols, propylene glycol or ethylene glycol can be used, as Glycol ether is preferably used dipropylene glycol monomethyl ether.
Als Co-Lösemittel können Alkohole, wie beispielsweise Ethanol oder Isopropanol zum Einsatz kommen.Suitable co-solvents are alcohols, such as, for example, ethanol or isopropanol be used.
Zur Neutralisation der im Copolymer enthaltenen Säuregruppen können Neutralisationsmittel, wie Amine oder Amoniak eingesetzt werden.For neutralization of the acid groups contained in the copolymer can Neutralizing agents such as amines or ammonia are used.
Bei dem erfindungsgemäßen Verfahren wird der Bedruckstoff mit einer Fördergeschwindigkeit von 1-25 m/s, vorzugsweise von 2-15 m/s gefördert.In the method according to the invention, the printing substrate with a Conveying speed of 1-25 m / s, preferably from 2-15 m / s promoted.
Rezeptur eines langsam trocknenden Lacks mit sehr guten Glanzeigenschaften:
Rezeptur eines langsam trocknenden Lacks mit sehr guten Glanzeigenschaften:
Richtrezeptur für einen schnell trocknenden und glänzenden Lack.
Richtrezeptur für eine Druckfarbe
0-40 Gew.-% Styrol-Acrylat-Copolymer, wässrige Dispersion, Joncryl 74,
1-40 Gew.-% Styrol-Acrylat-Copolymer, wässrige Dispersion, Joncryl 90,
0-40 Gew.-% Styrol-Acrylat-Copolymer, wässrige Harzlösung, Joncryl 682,
1-40 Gew.-% Styrol-Acrylat-Copolymer, wässrige Harzlösung, Indurez SR10,
1-10 Gew.-% Wachse,
0-10 Gew.-% Netzmittel,
1-10 Gew.-% Dispergierhilfsmittel,
1-40 Gew.-% Organisches Pigment, Pigment Yellow 13,
0-5 Gew.-% Glykolether,
0-5 Gew.-% Glykole,
0-3 Gew.-% Alkohole,
0,1-4 Gew.-% Neutralisationsmittel,
0,01-0,5 Gew.-% Konservierungsmittel,
0-20 Gew.-% Wasser.Guideline for a printing ink
0-40% by weight of styrene-acrylate copolymer, aqueous dispersion, Joncryl 74,
1-40% by weight styrene-acrylate copolymer, aqueous dispersion, Joncryl 90,
0-40 wt.% Styrene-acrylate copolymer, aqueous resin solution, Joncryl 682,
1-40 wt.% Styrene-acrylate copolymer, aqueous resin solution, Indurez SR10,
1-10 wt.% Waxes,
0-10 wt% wetting agent,
1-10% by weight dispersing agent,
1-40% by weight of organic pigment, Pigment Yellow 13,
0-5 wt.% Glycol ether,
0-5 wt% glycols,
0-3% by weight of alcohols,
0.1-4% by weight of neutralizing agent,
0.01-0.5 wt% preservative,
0-20% by weight of water.
Die Erfindung wird im Folgenden anhand der Druckbeispiele näher erläutert.The invention will be explained in more detail below with reference to the printing examples.
Es wurden geruchsarme Offsetdruckfarben inline mit dem Dispersionslack des Beispiels 2 und mit einem NIR-Trockner gemäß DE 198 07 643 A1 in Verbindung mit Heißluft und Absaugung wie folgt getrocknet.Low - odor offset printing inks were inline with the dispersion varnish of the Example 2 and with a NIR dryer according to DE 198 07 643 A1 in combination dried with hot air and suction as follows.
Druckmaschine MAN Roland R706 mit LackwerkPrinting machine MAN Roland R706 with coating unit
Druckreihenfolge:
Farbbelegung auf dem Druckmuster: 0-300%
Maschinengeschwindigkeit: 12.000 Bogen pro Stunde
Bedruckstoff: Karton
Lackauftrag: 6-10g/m2 Nassfilmauftrag; 2-5 g/m2 Lacktrockenfilm - Schichtdicke
Puder KSL S 15; Einstellung 35%Color assignment on the print sample: 0-300%
Machine speed: 12,000 sheets per hour
Substrate: Cardboard
Paint application: 6-10g / m 2 wet film application; 2-5 g / m 2 paint drying film - layer thickness powder KSL S 15; Attitude 35%
Durch den Dispersionslack in langsamer Trocknungseinstellung und hochglänzender Bindemittelrezeptur wurden extrem hohe Glanzwerte erzielt.Through the dispersion varnish in slow drying setting and high gloss Binder formulation extremely high gloss values were achieved.
Mit einem konventionellen IR-Trockner mit Heißluft und Absaugung war bei dieser Konfiguration ein Druck von maximal 5.000 Bogen pro Stunde bei gleicher Pudereinstellung möglich.With a conventional IR dryer with hot air and suction was at this Configuration a maximum pressure of 5,000 sheets per hour at the same Powder setting possible.
Es wurden geruchsarme Offsetdruckfarben inline mit dem Dispersionslack des Beispiels 1 und mit einem NIR-Trockner gemäß DE 198 07 643 A1 in Kombination mit Heißluft und Absaugung wie folgt getrocknet.Low - odor offset printing inks were inline with the dispersion varnish of the Example 1 and with an NIR dryer according to DE 198 07 643 A1 in combination dried with hot air and suction as follows.
Druckmaschine MAN Roland R706 mit LackwerkPrinting machine MAN Roland R706 with coating unit
Druckreihenfolge:
Die Farbbelegung auf dem Druckmuster: 0-300%
Maschinengeschwindigkeit: 15.000 Bogen pro Stunde
Bedruckstoff: Karton
Lackauftrag: 6-10g/m2 Nassfilmauftrag; 2-5 g/m2 Trockenfilm - Schichtdicke
Puder KSL S 15; Einstellung 35%.The color assignment on the print sample: 0-300%
Machine speed: 15,000 sheets per hour
Substrate: Cardboard
Paint application: 6-10g / m 2 wet film application; 2-5 g / m 2 dry film - layer thickness
Powder KSL S 15; Setting 35%.
Durch diese Kombination von Farbe und Lack wurden hochglänzende Druckergebnisse bei extrem hoher Druckmaschinengeschwindigkeit erzielt.This combination of paint and varnish produced high-gloss print results achieved at extremely high press speeds.
Mit einem konventionellen IR-Trockner mit Heißluft und Absaugung war bei dieser Konfiguration ein Druck von maximal 7.000 Bogen pro Stunde bei gleicher Pudereinstellung möglich.With a conventional IR dryer with hot air and suction was at this Configuration a maximum pressure of 7,000 sheets per hour at the same Powder setting possible.
Es wurden geruchsarme Offsetdruckfarben inline mittels einem Doppellackwerk lackiert.There were low-odor offset inks inline by means of a double-coating unit painted.
Druckmaschine MAN Roland R706 mit DoppellackwerkPrinting machine MAN Roland R706 with double coating unit
Druckreihenfolge:
Farbbelegung auf dem Druckmuster: 0-300%
Maschinengeschwindigkeit: 10.000 Bogen pro Stunde
Bedruckstoff: Karton
Gesamtlackauftrag: 10-16 g/m2 Nassfilmauftrag; 4-7 g/m2 Trockenfilm - Schichtdicke
Puder KSL S 15; Einstellung 35%.Color assignment on the print sample: 0-300%
Machine speed: 10,000 sheets per hour
Substrate: Cardboard
Total paint application: 10-16 g / m 2 wet film application; 4-7 g / m 2 dry film - layer thickness powder KSL S 15; Setting 35%.
Mit dieser Konfiguration konnten hohe Lackschichtdicken bei hohen Druckmaschinengeschwindigkeiten appliziert werden.With this configuration, high paint layer thicknesses were achieved at high press speeds be applied.
Mit einem konventionellen IR-Trockner mit Heißluft und Absaugung in der Zwischentrocknung und Endtrocknung war bei dieser Konfiguration ein Druck von maximal 4.000 Bogen pro Stunde bei gleicher Pudereinstellung möglich.With a conventional IR dryer with hot air and suction in the Intermediate drying and final drying in this configuration was a pressure of a maximum of 4,000 sheets per hour with the same powder setting possible.
Claims (18)
Lackieren - NIR-Trocknen - TL-Trocknen mit Absaugung - optional IR-Trocknen und
optional (Bedrucken - NIR-Trocknen - TL-Trocknen mit Absaugung - optional IR-Trocknen)
durchgeführt werden.Method according to one of claims 1-4, characterized in that the following method steps
Painting - NIR drying - TL drying with suction - optional IR drying and
optional (printing - NIR drying - TL drying with suction - optional IR drying)
be performed.
1-80 Gew.-% eines Styrol-Acrylat-Copolymers in Form einer wässrigen Dispersion,
0-60 Gew-% eines Styrol-Acrylat-Copolymers in Form einer wässrigen Harzlösung,
0-10 Gew.-% Wachse,
0-10 Gew.-% Netzmittel,
0-5 Gew.-% Weichmacher,
0-10 Gew.-% Glykolether,
0-10 Gew.-% Glykole,
0,1-3 Gew.-% Entschäumer,
0,1-4 Gew.-% Neutralisationsmittel,
0-1 Gew.-% Konservierungsmittel und
0-20 Gew.-% Wasser
umfasst. Method according to one of claims 1-9, characterized in that a dispersion varnish is used, the
1-80% by weight of a styrene-acrylate copolymer in the form of an aqueous dispersion,
0-60% by weight of a styrene-acrylate copolymer in the form of an aqueous resin solution,
0-10% by weight waxes,
0-10 wt% wetting agent,
0-5 wt.% Plasticizer,
0-10% by weight of glycol ether,
0-10% by weight of glycols,
0.1-3% by weight defoamer,
0.1-4% by weight of neutralizing agent,
0-1 wt% preservative and
0-20% by weight of water
includes.
1-60 Gew.-% eines Styrol-Acrylat-Copolymers in Form einer wässrigen Dispersion,
0-40 Gew-% eines Styrol-Acrylat-Copolymers in Form einer wässrigen Harzlösung,
0-5 Gew.-% Wachse,
0-5 Gew.-% Netzmittel,
0-5 Gew.-% Weichmacher,
0-5 Gew.-% Glykolether,
0-10 Gew.-% Glykole,
0,1-2 Gew.-% Entschäumer,
0,1-2 Gew.-% Neutralisationsmittel,
0-1 Gew.-% Konservierungsmittel und
0-20 Gew.-% Wasser
umfasst.A method according to claim 10, characterized in that a dispersion varnish is used, the
1-60% by weight of a styrene-acrylate copolymer in the form of an aqueous dispersion,
0-40% by weight of a styrene-acrylate copolymer in the form of an aqueous resin solution,
0-5 wt.% Waxes,
0-5 wt.% Wetting agent,
0-5 wt.% Plasticizer,
0-5 wt.% Glycol ether,
0-10% by weight of glycols,
0.1-2% by weight defoamer,
0.1-2% by weight of neutralizing agent,
0-1 wt% preservative and
0-20% by weight of water
includes.
1-40 Gew.-% eines oder mehrerer organischer oder anorganischer Pigmente,
1-80 Gew.-% eines Styrol-Acrylat-Copolymers in Form einer wässrigen Dispersion,
0-60 Gew-% eines Styrol-Acrylat-Copolymers in Form einer wässrigen Harzlösung,
0-10 Gew.-% Wachse,
0-10 Gew.-% Netzmittel,
0-5 Gew.-% Weichmacher,
0-10 Gew.-% Glykolether,
0-10 Gew.-% Glykole,
0,1-3 Gew.-% Entschäumer,
0,1-4 Gew.-% Neutralisationsmittel,
0-1 Gew.-% Konservierungsmittel und
0-20 Gew.-% Wasser
umfasst. Method according to one of claims 1-11, characterized in that a color is used, the
1-40% by weight of one or more organic or inorganic pigments,
1-80% by weight of a styrene-acrylate copolymer in the form of an aqueous dispersion,
0-60% by weight of a styrene-acrylate copolymer in the form of an aqueous resin solution,
0-10% by weight waxes,
0-10 wt% wetting agent,
0-5 wt.% Plasticizer,
0-10% by weight of glycol ether,
0-10% by weight of glycols,
0.1-3% by weight defoamer,
0.1-4% by weight of neutralizing agent,
0-1 wt% preservative and
0-20% by weight of water
includes.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004022056 | 2004-05-05 | ||
DE200410022056 DE102004022056A1 (en) | 2004-05-05 | 2004-05-05 | Process for drying emulsion paints and printing inks |
Publications (1)
Publication Number | Publication Date |
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EP1593920A2 true EP1593920A2 (en) | 2005-11-09 |
Family
ID=34936099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP20050009715 Withdrawn EP1593920A2 (en) | 2004-05-05 | 2005-05-03 | Process for drying dispersion coatings and printing inks. |
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EP (1) | EP1593920A2 (en) |
DE (1) | DE102004022056A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150353755A1 (en) * | 2013-01-14 | 2015-12-10 | Actega Terra Gmbh | Microstructured Paint |
CN109622326A (en) * | 2018-12-25 | 2019-04-16 | 滁州晨润工贸有限公司 | A kind of injection molding film-covered member ink setting method |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20020858U1 (en) * | 2000-08-09 | 2001-05-03 | Advanced Photonics Tech Ag | Fixing device for the thermal fixing of laser prints |
DE10048361C1 (en) * | 2000-09-29 | 2002-06-06 | Advanced Photonics Tech Ag | Arrangement for producing a coated heat-sensitive article or a container with a heat-sensitive content comprises a radiation source producing infrared radiation with an effective constituent in the near-infrared range |
DE10052197A1 (en) * | 2000-10-20 | 2002-05-02 | Advanced Photonics Tech Ag | To fix dyes at woven fabric piecegoods, and especially dye pastes, the dyed fabric is exposed to infra red radiation in a combined drying and fixing stage to give increased resistance to color fading |
DE10064277B4 (en) * | 2000-12-22 | 2013-01-03 | Advanced Photonics Technologies Ag | Method for producing a coating on a substrate |
DE20022158U1 (en) * | 2000-11-10 | 2001-03-29 | Advanced Photonics Tech Ag | Small drying device |
DE10104217A1 (en) * | 2001-01-31 | 2002-08-14 | Advanced Photonics Tech Ag | Flat textile material for medical plasters, dressings and bandages, has a latex layer dried by heating with electromagnetic irradiation in the NIR range |
DE10106888B4 (en) * | 2001-02-14 | 2006-08-31 | Advanced Photonics Technologies Ag | Method and device for producing a surface coating |
DE10131620B4 (en) * | 2001-06-29 | 2007-10-25 | Adphos Advanced Photonics Technologies Ag | Method and device for drying and / or crosslinking or heating by means of electromagnetic radiation |
DE20221980U1 (en) * | 2002-09-26 | 2009-12-17 | Advanced Photonics Technologies Ag | Arrangement for the thermal treatment of a workpiece |
-
2004
- 2004-05-05 DE DE200410022056 patent/DE102004022056A1/en not_active Ceased
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2005
- 2005-05-03 EP EP20050009715 patent/EP1593920A2/en not_active Withdrawn
Cited By (3)
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US20150353755A1 (en) * | 2013-01-14 | 2015-12-10 | Actega Terra Gmbh | Microstructured Paint |
US10131801B2 (en) * | 2013-01-14 | 2018-11-20 | Actega Terra Gmbh | Varnish having a microstructure |
CN109622326A (en) * | 2018-12-25 | 2019-04-16 | 滁州晨润工贸有限公司 | A kind of injection molding film-covered member ink setting method |
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