EP4278039A1 - Verfahren und vorrichtung zum herstellen eines dekorpapiers und gegenstand mit einem solchen - Google Patents
Verfahren und vorrichtung zum herstellen eines dekorpapiers und gegenstand mit einem solchenInfo
- Publication number
- EP4278039A1 EP4278039A1 EP22701197.0A EP22701197A EP4278039A1 EP 4278039 A1 EP4278039 A1 EP 4278039A1 EP 22701197 A EP22701197 A EP 22701197A EP 4278039 A1 EP4278039 A1 EP 4278039A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- printing
- printed
- primer
- base paper
- paper
- 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
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/18—Paper- or board-based structures for surface covering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0015—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after 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
- B41M5/0011—Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
- B41M5/0017—Application of ink-fixing material, e.g. mordant, precipitating agent, on the substrate prior to printing, e.g. by ink-jet printing, coating or spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
- B44C3/02—Superimposing layers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/66—Coatings characterised by a special visual effect, e.g. patterned, textured
- D21H19/68—Coatings characterised by a special visual effect, e.g. patterned, textured uneven, broken, discontinuous
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/82—Paper comprising more than one coating superposed
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/82—Paper comprising more than one coating superposed
- D21H19/824—Paper comprising more than one coating superposed two superposed coatings, both being non-pigmented
Definitions
- the invention relates to a method for producing decorative paper using a digital printing system, the method having the following steps: a. providing at least one base paper, b. Printing a surface of the base paper with a primer, so that a printed base paper is produced, c. Printing the surface of the printed base paper with at least one printing ink using a digital printing system.
- the invention also relates to a device for producing a decorative paper, which is set up to carry out such a method, and an object with a base body, on at least one surface of which a decorative paper produced or producible in this way is arranged.
- a decoration is understood to mean, in particular, a graphic, very particularly a pictorial representation, with which the optical impression that the paper creates is intended to be changed.
- the paper can be in the form of individual sheets, so-called sheets, or can be used in the form of a roll. When the paper is printed in roll form, it is preferred to format or dip the paper after printing to the correct size needed for the particular application.
- the printed paper is usually, but not necessarily, impregnated, varnished or otherwise processed before it is formatted.
- a digital printing system for printing the surface of a paper, in particular a base paper, has a number of advantages. For example, you can switch from one decor to another very quickly and easily. No rollers or similar elements have to be removed or exchanged for this, so the changeover times are very short. Digital printing has therefore become significantly more important in the industrial production of decorative surfaces.
- the printing processes previously used, such as screen printing or gravure printing, have been replaced at least in part, and in some sectors and for some applications almost completely.
- Digital printing is used in almost all areas today to produce decoratively upgraded surfaces. This not only affects the classic print media and the advertising industry, but also, for example, the manufacturers of floor coverings, tiles, furniture and/or laminate panels, which can preferably be used as wall, ceiling or floor coverings.
- the particular advantages of digital printing such as reduced costs for printing rollers, the reduction of possible batch sizes, the easy adjustment and change of colors and colourways, as well as the greater decorative variety and switching from one decor to another have accelerated this development.
- EP 2 158 358 B1 proposes applying an ink receiving layer, i.e. a primer, to the surface to be printed. bring before the printing ink and the actual decoration is applied.
- a primer an ink receiving layer
- the disadvantage is that this leads to an additional work step associated with higher costs.
- an additional layer of primer must be applied, which also increases the costs.
- Another disadvantage is that the color of the primer must be matched to the color of the base paper that is to be printed, since otherwise color deviations can occur when printing with the printing ink later on.
- the primer which is applied to the paper before the printing ink, seals the paper from one side, so that the absorption and penetration of the printing ink into the paper is at least partially, but preferably completely, prevented.
- this can lead to difficulties, particularly in later work steps such as, for example, impregnating the printed paper with a synthetic resin, for example a melamine resin. This can result in uneven impregnation or in impregnated materials that tend to curl up.
- the invention is therefore based on the object of eliminating or at least reducing the disadvantages of the prior art.
- the invention solves the problem set by a method according to the preamble of claim 1, which is characterized in that the surface of the base paper is printed at least at one point with neither the primer nor the printing ink.
- the raw paper provided is also printed with a primer in the method according to the invention, which also acts as an ink absorber.
- a primer in the method according to the invention, which also acts as an ink absorber.
- the actual decor is then created by printing the surface of the printed raw paper with the printing ink.
- the decor is usually a graphic or pictorial representation that has a format that is preferably adapted to the format of the base paper in at least one direction, but preferably in two directions that are perpendicular to one another.
- the dimensions of the decoration are particularly preferably adapted to the dimensions of the base paper, both in terms of length and width.
- the format or the area or the surface area of the design results from these dimensions. cors. With digital printing, this area of the decor is not printed over the entire surface.
- the resulting image consists of a large number of pixels arranged next to one another and between which there is a distance in which no printing ink is applied to the surface to be printed, in the present case the surface of the base paper printed with the primer.
- the invention is based on the finding that there is therefore no need to adapt the surface properties of the base paper at those points at which no printing ink is applied to the surface to be printed. Therefore, there is at least one spot on the surface to be printed that is also not printed with a primer. Consequently, neither the primer nor the applied printing ink is located at this at least one point.
- the surface of the base paper is preferably printed with the primer by means of a digital printing system, preferably the digital printing system that is used for printing the printed base paper with the printing ink.
- a digital printing system preferably the digital printing system that is used for printing the printed base paper with the printing ink. This reduces the complexity of the method in terms of apparatus, since no separate device is required for printing the surface of the base paper with the primer.
- it preferably has a plurality of print heads, which are particularly preferably arranged one behind the other in the process direction. This ensures that at least a first print head is used to print the surface of the base paper with the primer and that at least a second print head is used to print the surface of the printed base paper produced in this way with the printing ink.
- the surface of the printed base paper is only printed with printing ink in places that were previously printed with primer. This ensures that the surface properties of the surface to be printed with the printing ink are adapted to the print so that the same print quality can be achieved everywhere. In other words, at no point is printing ink applied directly to a surface of the base paper where there is no primer.
- the total area of the base paper printed with the primer is preferably larger than the total area of the printed base paper printed with the printing ink. This means that there may well be areas on the surface of the raw paper that have been printed with a primer but not with a printing ink.
- the surface of the base paper is only printed with the primer at those points that are also printed with the printing ink. It can thus be ensured that as little as possible, but particularly preferably no primer, is wasted. The amount of primer saved can be greatly increased in this way.
- a digital printing system requires control signals that are provided by an electrical controller, preferably an electronic data processing device, in order to control the digital printing system and thus determine which printing ink and/or which primer is to be applied at which point.
- the printing ink can, of course, also be multicolored, so that ink in different colors can be used for multicolor printing, as is known from the prior art.
- the electrical control preferably uses a digital template of the decoration to be printed, which is stored, for example, in an electronic data memory to which the electrical control has access.
- the data memory can be part of the digital printing system or a separate element that is in communication with the digital printing system and in particular its electrical control. If a digital printing system, preferably the same digital printing system, is used both for printing the surface of the printed raw paper with the printing ink and for printing the surface of the raw paper with the primer, control signals must be generated in each case. These are preferably determined from the same template, with the control signals for the printing with the primer and printing with the printing ink may be the same or different.
- the electrical control is preferably set up to determine both the control signals for printing with the printing ink and the control signals for printing with the primer from the template.
- the surface of the base paper is printed with the primer to an extent of at most 55%, preferably at most 45%, particularly preferably at most 35%.
- the method preferably has a further method step in which the raw paper printed with the printing ink is impregnated with at least one synthetic resin, preferably a melamine resin.
- at least one synthetic resin preferably a melamine resin.
- the invention also achieves the stated object by means of a device for producing a decorative paper, which has at least one digital printing system for printing a surface of a raw paper with a primer and at least one printing ink, and an electrical controller, in particular an electrical data processing device, which is set up for Carrying out a method of the type described here.
- the electrical control is preferably set up to generate a template for printing the base paper with the primer from a template for printing the printed base paper with the at least one printing ink. This also means that the control signals for the different print heads for printing with printing ink and printing with primer are generated from a digital template.
- the electrical control is preferably set up to determine a digital template, which is preferably present in the so-called CMYK format, from an image, for example a scan or a photograph, which is generally present in the form of an RGB file.
- a "Raster Imaging Process” software is preferably used, which transmits the color values of the image, which are present, for example, in the colors red, yellow, green, into color values that are generated by the digital pressure system can be generated. These are usually cyan, magenta, yellow and black, represented by the letter combination CMYK.
- a file can be generated in which all points to be printed with ink are stored and contained, regardless of the printing ink, in particular the color, used to print the respective point. This template can then be used to determine control signals used to print the surface of the base paper with the primer.
- the invention also solves the problem set by an object with a base body, with a decorative paper being arranged on at least one surface of the object, which is preferably produced according to one of the methods described here.
- Figure 1 - a schematic representation of a device according to an embodiment of the present invention.
- FIG. 1 shows a schematic sectional illustration through a device according to an exemplary embodiment of the present invention.
- Base paper 2 is provided in the left-hand area of the device shown. This is provided on a roll 4 in the exemplary embodiment shown. It goes into a digital printing system 6 which has a first printing unit 8 and a second printing unit 10 .
- the first printing unit 8 and the second printing unit 10 can each have a plurality of print heads or can be designed with only one print head.
- the device has an electrical control 12 in the form of an electronic data processing device, which is connected to both the first printing unit 8 and the second printing unit 10 by means of data lines 14 .
- control signals for controlling the first printing unit 8 and for controlling the second printing unit 10 are generated, which are transmitted via the data lines 14 to the respective printing unit 8, 10.
- a primer is applied to the raw paper 2 by means of the first printing unit 8 .
- the primer After the primer has been applied to the base paper 2 by means of the first printing unit 8, the latter enters a first dryer 16, in which the base paper 2 and the applied primer are dried to a predetermined residual moisture content or according to a predetermined drying process.
- the drying time and/or a drying temperature are preferably specified.
- the base paper 2 printed with primer and dried in this way then reaches the second printing unit 10, in which the surface of the base paper 2 is printed with printing ink. This is where the actual decor is created.
- the paper printed in this way is then dried in a second dryer 18 and then wound onto another roll 20 for transport and further processing.
Landscapes
- Printing Methods (AREA)
- Laminated Bodies (AREA)
- Paper (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP21151856.8A EP4029989B1 (de) | 2021-01-15 | 2021-01-15 | Verfahren und vorrichtung zum herstellen eines dekorpapiers und gegenstand mit einem solchen |
| PCT/EP2022/050689 WO2022152814A1 (de) | 2021-01-15 | 2022-01-13 | Verfahren und vorrichtung zum herstellen eines dekorpapiers und gegenstand mit einem solchen |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP4278039A1 true EP4278039A1 (de) | 2023-11-22 |
| EP4278039C0 EP4278039C0 (de) | 2024-11-13 |
| EP4278039B1 EP4278039B1 (de) | 2024-11-13 |
Family
ID=74186503
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21151856.8A Active EP4029989B1 (de) | 2021-01-15 | 2021-01-15 | Verfahren und vorrichtung zum herstellen eines dekorpapiers und gegenstand mit einem solchen |
| EP22701197.0A Active EP4278039B1 (de) | 2021-01-15 | 2022-01-13 | Verfahren und vorrichtung zum herstellen eines dekorpapiers und gegenstand mit einem solchen |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21151856.8A Active EP4029989B1 (de) | 2021-01-15 | 2021-01-15 | Verfahren und vorrichtung zum herstellen eines dekorpapiers und gegenstand mit einem solchen |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20240060240A1 (de) |
| EP (2) | EP4029989B1 (de) |
| CN (1) | CN116783074A (de) |
| CA (1) | CA3203223A1 (de) |
| ES (2) | ES2949647T3 (de) |
| PL (2) | PL4029989T3 (de) |
| WO (1) | WO2022152814A1 (de) |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2155505C (en) * | 1994-08-10 | 2000-05-16 | Jiro Moriyama | Ink jet printing method and apparatus |
| JP2001071446A (ja) * | 1999-07-07 | 2001-03-21 | Ibiden Co Ltd | 化粧シートおよび化粧板 |
| JP2002067486A (ja) * | 2000-08-29 | 2002-03-05 | Toppan Forms Co Ltd | インクジェットインク受容層形成用インクおよびそれを用いた記録用シート |
| US7796145B2 (en) * | 2007-04-11 | 2010-09-14 | Hewlett-Packard Development Company, L.P. | Hybrid electro-photographic/ink-jet press print systems and primers |
| DE102007029540A1 (de) | 2007-06-25 | 2009-01-08 | Technocell Dekor Gmbh & Co. Kg | Durch Ink-Jet bedruckbares Dekorpapier |
| DE102011015603B3 (de) * | 2011-03-30 | 2012-08-30 | Fritz Egger Gmbh & Co. Og | Verfahren zur Herstellung von Dekorpapier sowie Dekorpapier |
| EP2873535A1 (de) * | 2013-11-15 | 2015-05-20 | Flooring Technologies Ltd. | Werkstücke mit oberflächenstrukturierter Dekoroberfläche |
| EP2894047B1 (de) * | 2014-01-10 | 2019-08-14 | Unilin, BVBA | Verfahren zur Herstellung von Paneelen mit dekorativer Oberfläche |
| US10329440B2 (en) * | 2014-04-15 | 2019-06-25 | Agfa Nv | Aqueous resin based inkjet inks |
| US9403383B1 (en) * | 2015-09-25 | 2016-08-02 | Xerox Corporation | Ink and media treatment to affect ink spread on media treated with primer in an inkjet printer |
| CN108369391B (zh) * | 2015-12-11 | 2022-02-22 | 惠普印迪戈股份公司 | 将印刷基底涂底漆 |
| EP3871894A1 (de) * | 2016-01-26 | 2021-09-01 | Flooring Industries Limited, SARL | Zusammensetzung zur verwendung in einem verfahren zur herstellung von mit einem tintenstrahldrucker bedruckbarem papier zur verwendung als dekorpapier |
| US20190224990A1 (en) * | 2018-01-19 | 2019-07-25 | Electronics For Imaging, Inc. | Process for preparing decorative fired substrate |
-
2021
- 2021-01-15 EP EP21151856.8A patent/EP4029989B1/de active Active
- 2021-01-15 PL PL21151856.8T patent/PL4029989T3/pl unknown
- 2021-01-15 ES ES21151856T patent/ES2949647T3/es active Active
-
2022
- 2022-01-13 WO PCT/EP2022/050689 patent/WO2022152814A1/de not_active Ceased
- 2022-01-13 ES ES22701197T patent/ES3008476T3/es active Active
- 2022-01-13 EP EP22701197.0A patent/EP4278039B1/de active Active
- 2022-01-13 PL PL22701197.0T patent/PL4278039T3/pl unknown
- 2022-01-13 CA CA3203223A patent/CA3203223A1/en active Pending
- 2022-01-13 CN CN202280008473.9A patent/CN116783074A/zh active Pending
- 2022-01-13 US US18/269,707 patent/US20240060240A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20240060240A1 (en) | 2024-02-22 |
| EP4029989A1 (de) | 2022-07-20 |
| EP4278039C0 (de) | 2024-11-13 |
| PL4278039T3 (pl) | 2025-03-31 |
| CA3203223A1 (en) | 2022-07-21 |
| EP4029989C0 (de) | 2023-06-07 |
| ES3008476T3 (en) | 2025-03-24 |
| EP4278039B1 (de) | 2024-11-13 |
| EP4029989B1 (de) | 2023-06-07 |
| PL4029989T3 (pl) | 2023-09-18 |
| ES2949647T3 (es) | 2023-10-02 |
| CN116783074A (zh) | 2023-09-19 |
| WO2022152814A1 (de) | 2022-07-21 |
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