WO2011036141A1 - Procédé de fabrication d'une pièce d'usinage portant une impression numérique - Google Patents

Procédé de fabrication d'une pièce d'usinage portant une impression numérique Download PDF

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Publication number
WO2011036141A1
WO2011036141A1 PCT/EP2010/063861 EP2010063861W WO2011036141A1 WO 2011036141 A1 WO2011036141 A1 WO 2011036141A1 EP 2010063861 W EP2010063861 W EP 2010063861W WO 2011036141 A1 WO2011036141 A1 WO 2011036141A1
Authority
WO
WIPO (PCT)
Prior art keywords
workpiece
resin mixture
printed
solvent
printing
Prior art date
Application number
PCT/EP2010/063861
Other languages
German (de)
English (en)
Inventor
Rene Pankoke
Original Assignee
Theodor Hymmen Holding 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=43501146&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2011036141(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Theodor Hymmen Holding Gmbh filed Critical Theodor Hymmen Holding Gmbh
Priority to ES10757759T priority Critical patent/ES2798274T3/es
Priority to PL10757759T priority patent/PL2480416T3/pl
Priority to LTEP10757759.5T priority patent/LT2480416T/lt
Priority to EP10757759.5A priority patent/EP2480416B1/fr
Publication of WO2011036141A1 publication Critical patent/WO2011036141A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/009—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using thermal means, e.g. infrared radiation, heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/0041—Digital printing on surfaces other than ordinary paper
    • B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/0041—Digital printing on surfaces other than ordinary paper
    • B41M5/0064—Digital printing on surfaces other than ordinary paper on plastics, horn, rubber, or other organic polymers

Definitions

  • the invention relates to a method for producing a digitally printed flat, web-shaped or plate-shaped workpiece, for example a kitchen worktop, a furniture front or a laminate floor part with a decorative and resistant surface.
  • a digitally printed flat, web-shaped or plate-shaped workpiece having an abrasion-resistant surface is produced, wherein initially a digital data record for a decorative image is provided, sent from a computer to a digital printing device. This is followed by feeding a printable workpiece to the printing device.
  • the digital printing of the respective workpiece by means of the printing device is carried out exclusively using solvent-based printing inks.
  • solvent-based printing inks all printing inks are detected, which do not contain water as the main component. This includes, for example, all organic solvents, such as alcohols, and mixtures of various solvents.
  • the printing is followed by reducing the solvent content to a defined residual moisture in the workpiece.
  • the evaporation of the solvent can be additionally accelerated by heating the workpiece, for example by a hot air blower.
  • the defined residual moisture describes a maximum content of solvent which remains in the workpiece.
  • the subsequent impregnation of the printed workpiece with a resin mixture can be done for example by coating, impregnating, wetting or spraying the workpiece with the respective solid or liquid resin mixture, wherein the resin mixture is then cured in a hot press.
  • the method has the advantage that the use of solvent-containing printing inks in the method according to the invention, the nozzles of the print heads of Druckvorrichtun not be added, which has longer life of the printing device result.
  • the use according to the invention of solvent-containing printing inks enables only the further process steps of impregnation by means of aqueous resins.
  • the reduction of the solvent content in the workpiece for example, when using short-chain monohydric alcohols, significantly faster than water-based inks, whereby drying of the printed workpiece can be done with less energy.
  • the use of solvent-based printing inks in the method according to the invention does not lead to a swelling of the surface in the printing area of the workpiece.
  • decorative coated workpieces such as e.g. Kitchen worktops, kitchen furniture fronts, other furniture fronts or even laminate flooring and similar workpieces are produced with decorative surfaces of high quality.
  • the reproduction of a wood structure or a stone structure, fantasy decors or other nature-inspired decors can be achieved, the workpieces at the same time also have positive physical properties such as abrasion resistance, scratch resistance, heat resistance.
  • digital printing takes place using at least one solvent-based printing ink with a weight proportion of solvent of 40-99%, preferably 65-92%.
  • Radiation-curing inks can act as a barrier layer after their curing, for example by UV radiation in a subsequent impregnation of such a printed workpiece with a water-based resin solution thus prevent a permanent connection between the printed workpiece with underlying material layers. Due to the high proportion of solvent, the formation of a barrier layer of polymerized acrylates can be particularly advantageously prevented because the solvent distributes the printing dyes on the surface and also transported into the workpiece.
  • one or more unprinted, resinous material layers are arranged above and / or below the printed workpiece prior to curing in the heating press, so that the resin flow from these material layers impregnates the non-bonded, printed workpiece during the pressing process.
  • both material layers and the workpiece for example, consist of absorbent materials such as paper.
  • the method can be dispensed with an additional step of impregnating the printed workpiece with the resin mixture.
  • the workpiece After impregnating the printed workpiece or arranging a material layer impregnated with resin mixture on and / or under the printed workpiece, the workpiece can be applied to one or more layers of material and then be joined together by pressing.
  • an impregnated and printed decorative paper on a wooden material plate, preferably a chipboard, MDF or HDF board are applied, whereby a Laminterung a bending resistant substrate.
  • the solvent-based printing ink contains pigments, since pigments are colourfast and consequently there is no aging and decomposition of the printing inks by UV light.
  • the use of a pigmented printing ink thus ensures a high-quality print image over a long service life.
  • a Meiaminharzbasis resin mixture is used, since this material penetrates the workpiece under pressure and in an underlying material layer, such as a fiberboard, penetrate and after hardening of the resin mixture has entered into a non-detachable connection with the material layer.
  • melamine resin has, after curing, positive physical properties, e.g. Moisture resistance, temperature resistance and scratch resistance.
  • the curing of the resin mixture takes place, for example, in the case of aminoplasts by crosslinking of polymer strands as a result of a condensation reaction known per se at elevated pressure in the range 20-60 bar, preferably 30-60 bar. 40bar and temperatures of 150-230 ° C, preferably 170-200X using a hot press.
  • the curing of the resin mixture is carried out by a continuous double belt press.
  • This press allows both the processing of continuous material and piece material with a high processing speed. It is particularly advantageous if the double belt press further, non-printed, impregnated material layers, especially paper layers are pressed with the printed and impregnated workpiece. Since the supply of Werkstoffiagen can be made as continuous material, the double belt press offers a higher throughput than, for example, a short-cycle press due to their continuous operation. During the pressing process, it is also possible to structure the surface.
  • Fig. 1 Schematic representation of three inventive
  • FIG. 4 Schematic representation of two alternative method steps E) and F) according to the invention
  • Fig. 5 Schematic representation of the sequence of layers of a variant of a workpiece produced by the method according to the invention
  • Fig. 6 Schematic representation of the layer sequence of another embodiment of a workpiece produced by the inventive method
  • Fig. 7 Schematic representation of the layer sequence of another embodiment of a workpiece produced by the method according to the invention
  • Fig. 8 Schematic representation of the layer sequence of another embodiment of a workpiece produced by the method according to the invention
  • FIG. 1 schematically shows a feed station 102, with a roll 2 for decorative paper 3 to be printed, a printing station 103 for a decorative paper 3 and a station for reducing the solvent content 104 in the decorative paper 3 by a printing device.
  • the printing in digital printing can take place on decorative paper 3 also directly on a surface of a workpiece, in particular an HDF or DF plate.
  • the printing device 1 to a printer 4, which has four printheads 5. These release solvent-based printing ink 6 onto the surface of decorative paper 3.
  • the printing ink is optionally dried with a dryer 7 shown diagrammatically.
  • the drying process may possibly already take place during printing without the aid of a drier.
  • the decorative paper 3 can be rolled up for storage, transport and further processing on a roll 8.
  • the way in which a workpiece is fed depends on the nature of the material. Paper sheets can be clamped and unrolled, while wood-based panels are fed on treadmills of the printing device.
  • the printheads 5 can be arranged stationarily in the printer 4 in order to realize a single-pass printing process. In this case, the print heads can advantageously extend over the entire width of the area to be printed.
  • the individual print heads 5 have, for example, a width of 70 mm and are arranged side by side in a printing module, preferably with the solvent-containing printing inks black, angenta, cyan and yellow. If several printing modules are arranged side by side, it is also possible to print workpieces, for example with a width greater than 1 m.
  • the arrangement of several printing modules stationary next to each other allows a uniform multi-color print image on which no transitions between the individual printing modules can be seen.
  • the printheads 5 can be arranged in the arrangement on a movable carriage, so that a printing of the workpiece in the multi-pass method can be performed.
  • the above-described stationary and movable printhead assembly may also be arranged in a multi-row succession to achieve a higher printing speed compared to a single-row arrangement.
  • nozzle bars may also be arranged.
  • Fig. 2 shows a station for impregnating the workpiece 105 with a resin mixture 19, e.g. with an amino resin (melamine resin mixture).
  • a resin mixture 19 e.g. with an amino resin (melamine resin mixture).
  • the previously printed decorative paper 3 is unwound from the roll 8, pulled through a resin bath 9 with the liquid resin, squeezed off excess resin by means of a squeegee 10 and then dried by a dryer 11 shown schematically.
  • This dryer 11 is designed such that it allows drying of the resin.
  • the dryer 1 may be designed as a forced air or hot air dryer. After drying of the resin, the workpiece can be wound onto a further roller 12 for storage.
  • a cutting device not shown, to cut the impregnated and dried paper in sheets.
  • FIG. 3 shows a station 07 for arranging two unprinted paper layers 17, which are impregnated with a resin mixture 19, above and / or below a printed wood workpiece 20.
  • the station 107 can also apply a printed and impregnated decorative paper 3 above or below a wood-based panel 13 done.
  • the printed and impregnated decorative paper 3 is unwound above and below the wood-based panel 13 and this merged package is then cured in a double belt press 14.
  • the curing and bonding of the printed decorative paper 3 with the wood-base plate 13 takes place in a heated short-cycle press 16.
  • FIG. 5 shows an exemplary structure of a product produced by the method according to the invention.
  • a decorative paper 3 printed with the solvent-containing printing ink 6, preferably the solvent-containing digital printing ink, is applied.
  • the decorative paper 3 has dyed pigments, which are placed on and in decorative paper 3 during printing 103.
  • this resin-impregnated decor paper 3 provided with the color pigments is a further resinated paper, which is provided as overlay paper 17 with a resin mixture 19 by impregnation 105.
  • a wear protection layer 21 is applied which has corundum (aluminum oxide (Al 2 O 3 )) or another material for increasing the abrasion resistance.
  • a further resinated paper can be applied on the underside of the wood-based panel 13 as a counter-pull paper.
  • This can also be formed as printed and impregnated decorative paper 18, as on the top, if the finished end product is to be decorative coated from both sides, optionally also as described above, supplemented by a wear resistant to alumina overlay paper 17.
  • the overlay paper 17 may also be omitted or, alternatively, supplemented by two or more papers at the top, optionally also at the bottom.
  • a resinated paper 17 can be applied to the underside of a printed wood workpiece board 20.
  • a digital data record for a decorative image for example a wooden structure replica or stone tile reproduction or another near-natural image or even a fantasy decor
  • a material to be printed is fed to the printing apparatus 1.
  • a suitable material is, for example, a paper, preferably a non-resinated and uncoated decorative paper, which has a whitening agent, for example titanium dioxide (TiO 2 ), applied and is absorbent.
  • this decorative paper can also be provided with a melamine resin impregnation, so that in the dried state 5-40%, particularly preferably 10-20%, of the total weight of the paper are predetermined by the melamine fraction.
  • plastic materials and any other printable material can be used as a printable workpiece but also plastic materials and any other printable material can be used. This includes, inter alia, a direct printing of a wood-based panel.
  • the digital printing device is printed on the decorative paper or the workpiece by means of inkjet printheads.
  • the used inkjet jerk heads give off individual small droplets in the same or different droplet sizes. Suitable droplet sizes are between 3 and 100 pl per droplet, more preferably between 5 and 45 pl per droplet size.
  • the droplets are released from a nozzle opening at the bottom of the print heads. The size of the nozzle opening is between 10-1 OOprn, preferably 15-40 pm.
  • the digital printing ink used is preferably a pigmented ink in which solids (pigments) of a size between 0.01 ⁇ m-5 ⁇ m, preferably 0.1-3 ⁇ m, are used as the dyes. Also possible is a mixture of pigments and liquid dyes. In a preferred embodiment, four inks are used with cyan, magenta, yellow and black pigments.
  • the ink used contains pigments as colorants, ie solids which have a high to very high color stability.
  • This color stability according to the known Woll scale, is between 5 and 8, more preferably 6-8.
  • the pigments used have an average particle size of 0.01 to 5 ⁇ m, more preferably 0.1 to 3 ⁇ m.
  • the proportion of the pigments based on the total weight of the digester printing ink used is 0.4-25%, more preferably 1-10%.
  • the further main constituent of the digital printing ink used according to the invention is a solvent which is not water, preferably an organic solvent.
  • a solvent which is not water, preferably an organic solvent.
  • an alcohol particularly preferably ethyl alcohol, is used in a concentration of 40-99%, more preferably 65-92% (weight percent).
  • ingredients of the ink may be dispersants as well as a variety of other additives. These additives affect the desired physical properties of the ink, such as viscosity, temperature stability, durability, pH, electrical conductivity, etc.

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Thermal Sciences (AREA)
  • Toxicology (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un procédé de fabrication d'une pièce d'usinage (3, 20) plate, en forme de bande ou de plaque, portant une impression numérique et présentant une surface résistante à l'abrasion, ce procédé étant caractérisé par les étapes suivantes: A) préparer un enregistrement numérique d'un motif de décoration pour un dispositif d'impression numérique (1); B) introduire une pièce d'usinage (3, 20) pouvant être imprimée dans le dispositif d'impression numérique (1); C) effectuer l'impression numérique au moyen du dispositif d'impression numérique (1) en utilisant au moins une encre d'impression (6) à base de solvant; D) réduire la teneur en solvant à une humidité résiduelle dans la pièce d'usinage (3, 20); E) imprégner la surface de la pièce d'usinage (3, 20) imprimée avec un mélange de résines (19); et F) durcir le mélange de résines (19) au moyen d'une presse chauffante (14, 15).
PCT/EP2010/063861 2009-09-23 2010-09-21 Procédé de fabrication d'une pièce d'usinage portant une impression numérique WO2011036141A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES10757759T ES2798274T3 (es) 2009-09-23 2010-09-21 Método para la fabricación de una pieza de trabajo con una impresión digital
PL10757759T PL2480416T3 (pl) 2009-09-23 2010-09-21 Sposób wytwarzania zadrukowanego cyfrowo przedmiotu obrabianego
LTEP10757759.5T LT2480416T (lt) 2009-09-23 2010-09-21 Skaitmeniniu būdu spausdinto ruošinio gamybos būdas
EP10757759.5A EP2480416B1 (fr) 2009-09-23 2010-09-21 Procédé de fabrication d'une pièce d'usinage portant une impression numérique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009044091.7A DE102009044091B4 (de) 2009-09-23 2009-09-23 Verfahren zur Herstellung eines digitalbedruckten Werkstückes
DE102009044091.7 2009-09-23

Publications (1)

Publication Number Publication Date
WO2011036141A1 true WO2011036141A1 (fr) 2011-03-31

Family

ID=43501146

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/063861 WO2011036141A1 (fr) 2009-09-23 2010-09-21 Procédé de fabrication d'une pièce d'usinage portant une impression numérique

Country Status (6)

Country Link
EP (1) EP2480416B1 (fr)
DE (1) DE102009044091B4 (fr)
ES (1) ES2798274T3 (fr)
LT (1) LT2480416T (fr)
PL (1) PL2480416T3 (fr)
WO (1) WO2011036141A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2431190A3 (fr) * 2010-09-17 2012-06-20 Theodor Hymmen Verwaltungs GmbH Procédé de fabrication d'une pièce usinée imprimée numériquement
EP3275678A3 (fr) * 2014-01-10 2018-02-28 Agfa Nv Fabrication de stratifiés décoratifs par impression à jet d'encre
EP2480416B1 (fr) 2009-09-23 2020-04-08 Hymmen GmbH Maschinen- und Anlagenbau Procédé de fabrication d'une pièce d'usinage portant une impression numérique

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013101521B4 (de) 2013-02-15 2018-08-23 Peter Schubert Flächenelement mit aufgebrachtem Dekor und Verfahren zur Herstellung des Flächenelementes
US11203224B2 (en) 2018-08-30 2021-12-21 Interface, Inc. Digital printing for flooring and decorative structures

Citations (2)

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WO2001048333A1 (fr) * 1999-12-23 2001-07-05 Perstorp Flooring Ab Procede de fabrication d'elements de surface
EP1858244A1 (fr) * 2006-05-16 2007-11-21 Flooring Technologies Ltd. Procédé de production d'un décor identique en utilisant un modèle imprimé tout comme dispositif correspondant

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EP0698501B1 (fr) 1994-08-25 1999-04-07 Canon Kabushiki Kaisha Elément d'enregistrement et méthode de production des images en utilisant celui-ci
US20030041962A1 (en) 2001-09-05 2003-03-06 John R. Johnson Digitally printed products and process
US20040086678A1 (en) 2002-11-01 2004-05-06 Chen Hao A. Surface covering panel
WO2005009735A1 (fr) 2003-06-24 2005-02-03 J.M. Huber Corporation Appareil pour appliquer un marquage a l'encre a des panneaux
DE10360187C5 (de) 2003-12-20 2019-08-14 Flooring Technologies Ltd. Verfahren und Vorrichtung zur Herstellung einer beschichteten Platte
JP2005238035A (ja) 2004-02-24 2005-09-08 Dainippon Toryo Co Ltd 化粧板の製造方法
DE102006007976B4 (de) 2006-02-21 2007-11-08 Flooring Technologies Ltd. Verfahren zur Veredelung einer Bauplatte
EP1935659B1 (fr) 2006-12-21 2009-11-11 Agfa Graphics N.V. Procédés d'impression à jet d'encre et jeux d'encre pour jet d'encre
DE102007046237A1 (de) 2007-09-26 2009-04-02 Dekor-Kunststoffe Gmbh Verfahren zur Herstellung von Beschichtungselementen sowie diesbezügliche Fertigungseinrichtung
DE102007049784A1 (de) 2007-10-17 2009-04-23 Bauer, Jörg R. Mittels eines Tintenstrahldruckverfahrens bedruckbare Bauplatte mit einem Grundkörper mit poröser Oberfläche sowie Verfahren zum Herstellen einer Bauplatte
DE102009044091B4 (de) 2009-09-23 2018-08-23 Hymmen GmbH Maschinen- und Anlagenbau Verfahren zur Herstellung eines digitalbedruckten Werkstückes

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001048333A1 (fr) * 1999-12-23 2001-07-05 Perstorp Flooring Ab Procede de fabrication d'elements de surface
EP1858244A1 (fr) * 2006-05-16 2007-11-21 Flooring Technologies Ltd. Procédé de production d'un décor identique en utilisant un modèle imprimé tout comme dispositif correspondant

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2480416B1 (fr) 2009-09-23 2020-04-08 Hymmen GmbH Maschinen- und Anlagenbau Procédé de fabrication d'une pièce d'usinage portant une impression numérique
EP2431190A3 (fr) * 2010-09-17 2012-06-20 Theodor Hymmen Verwaltungs GmbH Procédé de fabrication d'une pièce usinée imprimée numériquement
EP3275678A3 (fr) * 2014-01-10 2018-02-28 Agfa Nv Fabrication de stratifiés décoratifs par impression à jet d'encre

Also Published As

Publication number Publication date
PL2480416T3 (pl) 2020-09-07
DE102009044091B4 (de) 2018-08-23
EP2480416B1 (fr) 2020-04-08
ES2798274T8 (es) 2020-12-30
EP2480416A1 (fr) 2012-08-01
ES2798274T3 (es) 2020-12-10
DE102009044091A1 (de) 2011-07-07
LT2480416T (lt) 2020-06-25

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