EP2419280B1 - Method for producing a printable building panel - Google Patents

Method for producing a printable building panel Download PDF

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Publication number
EP2419280B1
EP2419280B1 EP20100713971 EP10713971A EP2419280B1 EP 2419280 B1 EP2419280 B1 EP 2419280B1 EP 20100713971 EP20100713971 EP 20100713971 EP 10713971 A EP10713971 A EP 10713971A EP 2419280 B1 EP2419280 B1 EP 2419280B1
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EP
European Patent Office
Prior art keywords
paper web
primer
base body
paper
binder
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.)
Active
Application number
EP20100713971
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German (de)
French (fr)
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EP2419280A1 (en
Inventor
Jörg R. Bauer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Interglarion Ltd
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Interglarion Ltd
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Filing date
Publication date
Application filed by Interglarion Ltd filed Critical Interglarion Ltd
Priority to SI201030208T priority Critical patent/SI2419280T1/en
Priority to PL10713971T priority patent/PL2419280T3/en
Publication of EP2419280A1 publication Critical patent/EP2419280A1/en
Application granted granted Critical
Publication of EP2419280B1 publication Critical patent/EP2419280B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/043—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of plaster
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31971—Of carbohydrate
    • Y10T428/31993—Of paper

Definitions

  • the invention relates to a method for producing a printable building board with a base body with a porous surface and a paper web applied to the porous surface.
  • a building panel is known that is made by pressing a cementitious material into a mold.
  • the surface of this building board is sealed with a primer and then printed with an inkjet printing process.
  • a decorative coated fire protection panel which is made by priming a non-combustible fiberboard, such as a cementitious particle board or gypsum fiberboard, to close its pores and harden the surface, and then directly, optionally after smoothing, the surface is printed.
  • a non-combustible fiberboard such as a cementitious particle board or gypsum fiberboard
  • a plasterboard is known, which is prepared by wet plaster is introduced between two layers of laminating paper, after drying a bilaterally laminated building board is obtained. At least one of the laminating paper layers will vordekoriert prior to their use for the preparation of the building board by successively several layers of water-soluble pigmented paints are applied to the liner paper.
  • a desired decor for example, a wood grain
  • coat the printed paper web with resin and applied to a wood fiber support plate From the DE 600 34 188 T2 a plasterboard is known, which is prepared by wet plaster is introduced between two layers of laminating paper, after drying a bilaterally laminated building board is obtained. At least one of the laminating paper layers will vordekoriert prior to their use for the preparation of the building board by successively several layers of water-soluble pigmented paints are applied to the liner paper.
  • a desired decor for example, a wood grain
  • a building board consisting of a base body, such as an asphalt plate or a pressboard on which a decorated latex paper is applied.
  • a base body such as an asphalt plate or a pressboard on which a decorated latex paper is applied.
  • the decorated latex paper is then applied to the asphalt board or pressboard using a binder.
  • a method for producing a gypsum board is known in which a gypsum mixture is poured between two layers of paper and then dried. During the drying process, water is excreted through the paper layers.
  • a peculiarity of previously known construction boards with a porous base body and a paper layer applied to at least one side is that the paper layer is printed before application with a pattern, whereby the pattern can be arranged only with great effort in exactly predetermined manner to the building board.
  • the invention has for its object to remedy the above problem.
  • the claim 1 indicates a method for producing a building board, with which the aforementioned problem is solved.
  • the method claims 2 to 5 are directed to advantageous developments of the method according to the invention for producing a building board.
  • Building panels as described in the following, can be used in different ways, for example as a wall element, ceiling element, cladding element, floor element, etc.
  • a base body 10 to be further processed to a building board is provided, which is produced in a manner known per se.
  • plates forming the main body are produced in a floating process in which a later ren Basic body-forming material, such as gypsum, optionally laminated on both sides with paper or paperboard, mineral fiber material, wood fiber material or synthetic fiber material, which is preferably mixed with water, is applied to a liquid-permeable conveyor belt on which the material, optionally during a run between press rolls, dries, wherein the water exits through the surface of the later body. After drying, a solidified body is formed whose surface is highly porous and unsuitable for printing because of the high absorbency.
  • a later ren Basic body-forming material such as gypsum, optionally laminated on both sides with paper or paperboard, mineral fiber material, wood fiber material or synthetic fiber material, which is preferably mixed with water
  • a printed building board is produced from a preferably plate-shaped main body, which has a porous surface and a thickness of, for example, between 5 mm and 40 mm.
  • a paper web 14 is unwound from a supply roll 12, which consists of a known per se paper with a preferably inkjetDirecten or printable with a programmable printing surface, but may also consist of a cheaper, simple paper whose surface is unsuitable for direct inkjet printing ,
  • the paper web is in a known per se coating device 8 at its according to FIG. 1 provided with a primer on the upper side.
  • the coating device 8 may contain, for example, in a manner known per se, an application roller loaded with the primer, which rests against the upper side of the paper web 14 and opposite to which a counter-roller is arranged, the paper web running between the two rollers.
  • the coating device 8 can also have a pressure bar arranged above the paper web 14, from which the primer liquid is sprayed onto the paper web, a brush applicator, etc.
  • the paper web wound on the supply roll 12 can already be coated on one side with primer, in which the primer coating immediately is connected to the manufacturing process of the paper web or integrated in this.
  • the provided with the primer paper web is applied in a manner not shown, but known manner to the base body 10 in which, for example, the underside of the paper web 14 and / or the top of the base body 10 is provided with an adhesive layer on the porous or absorbent surface of the body and the underside of the paper web adheres and after curing, the paper web fixed to the body combines.
  • the amount and flowability of the adhesive material are advantageously matched to the surface of the base body that any unevenness of the surface of the body are compensated by the dispersion adhesive and coated with primer top of the laminated on the body paper web forms a flat surface ,
  • the amount and flowability of the adhesive material is further tuned to the paper web 14 such that the adhesive material does not completely penetrate the paper web 14. Any adhesive material that penetrates completely through the paper web is kept away from the primer layer, which forms a barrier layer for the adhesive material and remains unaffected by the adhesive material on its free surface.
  • the main body is advantageously laminated on both sides, for example, by being laminated on its underside with a Schmidt, which is also coated with a primer, if necessary.
  • the double-sided lamination means that the resulting body does not warp or buckle.
  • the primer applied to the paper web seals the superficial pores of the paper web and forms a bonding agent for dyeing liquid to be applied to the building board, for example by means of a programmable printing process. If the primer is not opaque, then the paper web advantageously has a light-colored surface. When the primer is opaque, it is itself advantageously light colored.
  • the paper web is advantageously so drawable that it adapts when applied to the base body whose surface, for example, if this is three-dimensional curved.
  • the building board 20, which is laminated with the surface provided with the primer paper layer 20 is printed in the example shown in a printing station 24 by means of an ink jet printing method, that is by means of a printhead or print bar in a conventional manner with a predetermined pattern and then in a Dried drying station 26 and finally provided in a tempering station 28 with a coating layer which is translucent, has a high hardness, even against aggressive Liquids resistant and UV stable. It is understood that the drying station and the compensation arrangement are not mandatory.
  • the printing station 24 is known per se in construction and contains, for example, one or more pressure bars arranged one behind the other, which extend or extend transversely across the building board 20 and have or have a plurality of ink nozzles on the underside.
  • a pressure bar may also be formed by an ink jet head having one or more ink nozzles, which moves transversely over the base body with respect to the transport direction of the base body 10 shown by arrows.
  • an embodiment with fixed pressure bar and under the pressure bar linearly moving structural panel 20.
  • the transport of the base body 10 or structural panels 20 can be done in a known per se width by means of a conveyor belt, a roller conveyor, etc.
  • FIG. 1 not shown is a separating station, in which the paper web 14 is cut or isolated according to the shape of the base body after the lamination to the base body 10. It is understood that the main body can first form a coherent band and can be separated only after laminating.
  • an electronic control device 30 known in its construction is provided, in which patterns to be printed on can be artificially produced or scanned in from pattern templates 31.
  • the finished building panels are stored, for example, in a stack 32.
  • FIG. 2 In the following, advantageous details of the production of FIG. 1 are explained;
  • the vertical dividing lines each indicate individual process steps.
  • FIG. 2 is applied to the top of the porous, usually somewhat uneven base body 10 and / or the underside at its top of the provided with a primer layer or a primer 34 paper web 14, a binder or an adhesive material 36.
  • the binder may be, for example, resin, glue or even a hot melt adhesive.
  • the paper web 14 is pressed with the arranged between it and the base 10 binder 36 on the body 10, which by a press or through Rolling (lamination) can happen.
  • cavities between the base body 10 and the paper web 14 are not filled directly by deformation, they are filled by the curing binder 30, so that the surface of the paper layer 22 and the primer 36 is flat.
  • the paper web 10 has advantageously by appropriate pre-treatment, for example by wet creping, a certain drawability, so that it adapts when applying a three-dimensionality or a relief of its base. Further, the paper web is advantageously flame retardant.
  • Binder 36 which diffuses through the paper web 14 prior to complete curing (by dots in the paper web 14 in the right part of FIG. 2 indicated) is prevented by the primer 36 at a further advance.
  • the free surface of the primer 36 thus forms a homogeneous surface which covers any binder residues and forms a primer for the subsequently applied by means of a programmable printing process dyeing liquid or dyeing liquids.
  • composition of the primer is advantageously determined by the paper web used, the dyeing liquid and the binder, wherein the primer should not only close the pores of the paper web, but also form a bonding agent for the dyeing liquid and a barrier layer for the binder.
  • the primer may be colorless or have a base tint. If inexpensive paper is used which does not have a light-colored top side which can be directly printed on, the primer is advantageously light-colored, preferably white, pigmented.
  • the primer may also have a different basic coloration; If, for example, a wood decor is to be printed, a basic coloring of the primer is advantageous, which corresponds to the brightest tint of the wood decor to be printed.
  • the primer forms a seal of the paper surface and an adhesion promoter for the subsequently applied dyeing liquid (s).
  • a primer or adhesion promoter can be used per se known primer based on polyurethane, polyester or epoxy resin based.
  • the two Components for example, applied directly from ink nozzles or applied simultaneously from different ink nozzles on the same target points of the surface, whereby a particularly intensive mixing of the two components and thus good quality of the primer surface is achieved.
  • the finished printed building panels for example, can be used individually as decorative cladding panels or assembled in a predetermined manner in a plurality to a complete wall cladding, the seams between the panels are at best recognizable upon closer inspection.
  • patterns can be assembled, wherein the contours of the building panels themselves can contribute to the ornament of the pattern.
  • compositions or other properties are not exhaustive but may be supplemented by others.
  • the paper web applied to the base body is provided with a primer (34) which is suitable for passing through the paper web (10).
  • a primer which is suitable for passing through the paper web (10).
  • a dyeing liquid 38
  • a programmable printing process in particular ink jet printing process

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Finishing Walls (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Description

Die Erfindung betrifft ein Verfahren zum Herstellen einer bedruckbaren Bauplatte mit einem Grundkörper mit poröser Oberfläche und einer auf die poröse Oberfläche aufgebrachten Papierbahn.The invention relates to a method for producing a printable building board with a base body with a porous surface and a paper web applied to the porous surface.

Für den Innenausbau von Gebäuden werden üblicherweise Bauplatten aus Mineralfaser oder Gips eingesetzt, die auf eine Tragstruktur, beispielsweise ein Metallgerüst oder Mauerwerk, aufgebracht werden. Anschließend werden solche Bauplatten, wenn eine durch sie gebildete Wand, Decke usw. gestrichen werden soll, mit einer aushärtenden Spachtelmasse verspachtelt, die eine streichfähige Oberfläche bildet, oder, falls die Wand tapeziert werden soll, mit einem entsprechenden Kleister versehen.For the interior of buildings usually structural panels made of mineral fiber or gypsum are used, which are applied to a support structure, such as a metal frame or masonry. Subsequently, such building boards, when a wall formed by them, ceiling, etc. should be painted, filled with a hardening filler, which forms a spreadable surface, or, if the wall is papered, provided with a corresponding paste.

Aus der US 5,707,689 ist eine Bauplatte bekannt, die durch Pressen eines in eine Form eingebrachten Zementmaterials hergestellt wird. Die Oberfläche dieser Bauplatte wird mit einem Primer versiegelt und dann mit einem Tintenstrahldruckverfahren bedruckt.From the US 5,707,689 For example, a building panel is known that is made by pressing a cementitious material into a mold. The surface of this building board is sealed with a primer and then printed with an inkjet printing process.

Aus der DE 20 2006 004 493 U1 ist eine dekorativ beschichtete Brandschutzplatte bekannt, die hergestellt wird, indem eine nicht brennbare Faserplatte, beispielsweise eine zementgebundene Spanplatte oder Gipsfaserplatte mit einem Primer versehen wird, um deren Poren zu schließen und die Oberfläche zu härten, und die Oberfläche anschließend, gegebenenfalls nach Glättung, direkt bedruckt wird.From the DE 20 2006 004 493 U1 For example, a decorative coated fire protection panel is known which is made by priming a non-combustible fiberboard, such as a cementitious particle board or gypsum fiberboard, to close its pores and harden the surface, and then directly, optionally after smoothing, the surface is printed.

Aus der DE 195 328 19 A1 ist bekannt, eine Holzwerkstoffplatte herzustellen, deren zunächst poröse Oberfläche mit wässrigem Dispersionslack grundiert wird, wobei gleichzeitig ein Haftgrund erzeugt wird. Die Oberfläche wird dann versiegelt und mit einem Oberflächenlack versehen, anschließend bedruckt und schließlich mit einem UV-härtbaren Lack versiegelt.From the DE 195 328 19 A1 It is known to produce a wood-based panel, the initially porous surface is primed with aqueous dispersion coating, at the same time a primer is generated. The surface is then sealed and provided with a surface finish, then printed and finally sealed with a UV-curable varnish.

Aus der DE 600 34 188 T2 ist eine Gipsbauplatte bekannt, die hergestellt wird, indem zwischen zwei Kaschierpapierlagen Nassgips eingebracht wird, nach dessen Trocknung eine beidseitig kaschierte Bauplatte erhalten wird. Wenigstens eine der Kaschierpapierlagen wird vor ihrer Verwendung zur Herstellung der Bauplatte vordekoriert, indem nacheinander mehrere Schichten wasserlöslicher Pigmentlacke auf das Kaschierpapier aufgebracht werden. Aus der DE 102 52 863 A1 ist bekannt, eine Papierbahn mit einem gewünschten Dekor zu bedrucken, beispielsweise einer Holzmaserung, und die bedruckte Papierbahn anschließend mit Harz zu beschichten und auf eine Holzfaser-Trägerplatte aufzubringen.From the DE 600 34 188 T2 a plasterboard is known, which is prepared by wet plaster is introduced between two layers of laminating paper, after drying a bilaterally laminated building board is obtained. At least one of the laminating paper layers will vordekoriert prior to their use for the preparation of the building board by successively several layers of water-soluble pigmented paints are applied to the liner paper. From the DE 102 52 863 A1 It is known to print a paper web with a desired decor, for example, a wood grain, and then coat the printed paper web with resin and applied to a wood fiber support plate.

Aus der US 2,035,760 ist eine Bauplatte bekannt, bestehend aus einem Grundkörper, wie beispielsweise einer Asphaltplatte oder einer Pressspanplatte, auf den ein dekoriertes Latexpapier aufgebracht ist. Beim Bedrucken des Latexpapiers wird nur die Papierbahn durch eine Druckpresse hindurchgezogen. Das dekorierte Latexpapier wird anschließend unter Verwendung eines Bindemittels auf der Asphaltplatte oder Pressspanplatte aufgebracht.From the US 2,035,760 a building board is known, consisting of a base body, such as an asphalt plate or a pressboard on which a decorated latex paper is applied. When printing the latex paper, only the paper web is pulled through a printing press. The decorated latex paper is then applied to the asphalt board or pressboard using a binder.

Aus der WO 99/57371 A ist eine Methode zur Herstellung einer Gipsplatte bekannt, bei der eine Gipsmischung zwischen zwei Papierschichten gegossen und anschließend getrocknet wird. Dabei wird während des Trockenvorgangs Wasser durch die Papierschichten ausgeschieden.From the WO 99/57371 A is a method for producing a gypsum board is known in which a gypsum mixture is poured between two layers of paper and then dried. During the drying process, water is excreted through the paper layers.

Aus der US 3,382,636 A ist ebenfalls eine Gipsplatte bekannt, bei der ein Gipsmittelteil zwischen zwei Papierschichten aufgenommen ist.From the US 3,382,636 A Also, a plasterboard is known in which a plaster center part is received between two layers of paper.

Eine Eigenart bisher bekannter Bauplatten mit einem porösen Grundkörper und einer auf wenigstens eine Seite aufgebrachten Papierlage besteht darin, dass die Papierlage vor dem Aufbringen mit einem Muster bedruckt wird, wodurch das Muster nur mit großem Aufwand in genau vorbestimmter Weise zur Bauplatte angeordnet werden kann.A peculiarity of previously known construction boards with a porous base body and a paper layer applied to at least one side is that the paper layer is printed before application with a pattern, whereby the pattern can be arranged only with great effort in exactly predetermined manner to the building board.

Der Erfindung liegt die Aufgabe zugrunde, dem vorgenannten Problem abzuhelfen.The invention has for its object to remedy the above problem.

Der Anspruch 1 kennzeichnet ein Verfahren zur Herstellung einer Bauplatte, mit dem das vorgenannte Problem gelöst wird.The claim 1 indicates a method for producing a building board, with which the aforementioned problem is solved.

Die Verfahrensansprüche 2 bis 5 sind auf vorteilhafte Weiterbildungen des erfindungsgemäßen Verfahrens zur Herstellung einer Bauplatte gerichtet.The method claims 2 to 5 are directed to advantageous developments of the method according to the invention for producing a building board.

Die Erfindung wird im Folgenden anhand einer schematischen Zeichnung beispielsweise und mit weiteren Einzelheiten erläutert. Es zeigen:

Fig. 1
schematisch einen Ablauf der Herstellung einer Bauplatte einschließlich deren Bedruckung, und
Fig. 2
Details des Verfahrens gemäß Figur 1.
The invention will be explained below with reference to a schematic drawing, for example, and with further details. Show it:
Fig. 1
schematically a process of manufacturing a building board including their printing, and
Fig. 2
Details of the method according to FIG. 1 ,

Bauplatten, wie sie im Folgendem beschrieben werden, können in unterschiedlicher Weise verwendet werden, beispielsweise als Wandelement, Deckenelement, Verkleidungselement, Bodenelement usw.Building panels, as described in the following, can be used in different ways, for example as a wall element, ceiling element, cladding element, floor element, etc.

Gemäß Figur 1 wird ein zu einer Bauplatte weiter zu bearbeitender Grundkörper 10 bereitgestellt, der in an sich bekannter Weise hergestellt ist. Im Allgemeinen werden solche den Grundkörper bildende Platten in einem Floatingverfahren hergestellt, bei dem ein den späte-ren Grundkörper bildendes Material, beispielsweise Gips, gegebenenfalls beidseitig mit Papier bzw. Pappe kaschiert, Mineralfasermaterial, Holzfasermaterial oder Kunstfasermaterial, das vorzugsweise mit Wasser angerührt ist, auf ein flüssigkeitsdurchlässiges Transportband aufgebracht wird, auf dem das Material, gegebenenfalls während eines Durchlaufes zwischen Presswalzen, trocknet, wobei das Wasser durch die Oberfläche des späteren Grundkörpers austritt. Nach dem Trocknen entsteht ein verfestigter Grundkörper, dessen Oberfläche stark porös ist und für ein Bedrucken wegen der hohen Saugfähigkeit ungeeignet ist.According to FIG. 1 a base body 10 to be further processed to a building board is provided, which is produced in a manner known per se. In general, such plates forming the main body are produced in a floating process in which a later ren Basic body-forming material, such as gypsum, optionally laminated on both sides with paper or paperboard, mineral fiber material, wood fiber material or synthetic fiber material, which is preferably mixed with water, is applied to a liquid-permeable conveyor belt on which the material, optionally during a run between press rolls, dries, wherein the water exits through the surface of the later body. After drying, a solidified body is formed whose surface is highly porous and unsuitable for printing because of the high absorbency.

Im Folgenden wird eine Möglichkeit erläutert, wie aus einem vorzugsweise plattenförmigen Grundkörper, der eine poröse Oberfläche und eine Dicke von beispielsweise zwischen 5 mm und 40 mm hat, eine bedruckte Bauplatte hergestellt wird.In the following, a possibility is explained how a printed building board is produced from a preferably plate-shaped main body, which has a porous surface and a thickness of, for example, between 5 mm and 40 mm.

Gemäß Figur 1 wird von einer Vorratsrolle 12 eine Papierbahn 14 abgewickelt, die aus einem an sich bekannten Papier mit einer vorzugsweise inkjetfähigen bzw. mit einem programmierbaren Druckverfahren bedruckbaren Oberfläche besteht, aber auch aus einem kostengünstigeren, einfachen Papier bestehen kann, deren Oberfläche für eine direkte Tintenstrahlbedruckung ungeeignet ist. Die Papierbahn wird in einer an sich bekannten Beschichtungsvorrichtung 8 an ihrer gemäß Figur 1 oberen Seite mit einem Primer versehen. Die Beschichtungsvorrichtung 8 kann beispielsweise in an sich bekannter Weise eine mit dem Primer beschickte Aufbringwalze enthalten, die an der Oberseite der Papierbahn 14 anliegt und der gegenüberliegend eine Gegenwalze angeordnet ist, wobei die Papierbahn zwischen den beiden Walzen hindurch läuft. Die Beschichtungseinrichtung 8 kann auch einen über der Papierbahn 14 angeordneten Druckbalken aufweisen, aus dem die Primerflüssigkeit auf die Papierbahn aufgespritzt wird, eine Pinselaufbringeinrichtung enthalten usw. Alternativ kann die auf die Vorratsrolle 12 aufgewickelte Papierbahn bereits einseitig mit Primer beschichtet sein, in dem die Primerbeschichtung unmittelbar an den Herstellvorgang der Papierbahn angeschlossen oder in diesen integriert ist.According to FIG. 1 a paper web 14 is unwound from a supply roll 12, which consists of a known per se paper with a preferably inkjetfähigen or printable with a programmable printing surface, but may also consist of a cheaper, simple paper whose surface is unsuitable for direct inkjet printing , The paper web is in a known per se coating device 8 at its according to FIG. 1 provided with a primer on the upper side. The coating device 8 may contain, for example, in a manner known per se, an application roller loaded with the primer, which rests against the upper side of the paper web 14 and opposite to which a counter-roller is arranged, the paper web running between the two rollers. The coating device 8 can also have a pressure bar arranged above the paper web 14, from which the primer liquid is sprayed onto the paper web, a brush applicator, etc. Alternatively, the paper web wound on the supply roll 12 can already be coated on one side with primer, in which the primer coating immediately is connected to the manufacturing process of the paper web or integrated in this.

Die mit dem Primer versehene Papierbahn wird in nicht dargestellter, jedoch an sich bekannter Weise auf den Grundkörper 10 aufgebracht, in dem beispielsweise die Unterseite der Papierbahn 14 und/oder die Oberseite des Grundkörpers 10 mit einer Kleberschicht versehen wird, die an der porösen bzw. saugfähigen Oberfläche des Grundkörpers und der Unterseite der Papierbahn anhaftet und nach Aushärten die Papierbahn fest mit dem Grundkörper verbindet. Die Menge und Fließfähigkeit des Klebermaterials, beispielsweise eines wässrigen Dispersionsklebers, sind vorteilhafterweise derart auf die Oberfläche des Grundkörpers abgestimmt, dass etwaige Unebenheiten der Oberfläche des Grundkörpers durch den Dispersionskleber ausgeglichen werden und die mit Primer beschichtete Oberseite der auf den Grundkörper aufkaschierten Papierbahn eine ebene Oberfläche bildet. Vorteilhafterweise ist die Menge und die Fliesfähigkeit des Klebermaterials weiterhin derart auf die Papierbahn 14 abgestimmt, dass das Klebermaterial die Papierbahn 14 nicht vollständig durchdringt. Etwaiges vollständig durch die Papierbahn hindurch dringendes Klebermaterial wird von der Primerschicht abgehalten, die eine Sperrschicht für das Klebermaterial bildet und an ihrer freien Oberfläche unbeeinflusst von dem Klebermaterial bleibt.The provided with the primer paper web is applied in a manner not shown, but known manner to the base body 10 in which, for example, the underside of the paper web 14 and / or the top of the base body 10 is provided with an adhesive layer on the porous or absorbent surface of the body and the underside of the paper web adheres and after curing, the paper web fixed to the body combines. The amount and flowability of the adhesive material, for example an aqueous dispersion adhesive, are advantageously matched to the surface of the base body that any unevenness of the surface of the body are compensated by the dispersion adhesive and coated with primer top of the laminated on the body paper web forms a flat surface , Advantageously, the amount and flowability of the adhesive material is further tuned to the paper web 14 such that the adhesive material does not completely penetrate the paper web 14. Any adhesive material that penetrates completely through the paper web is kept away from the primer layer, which forms a barrier layer for the adhesive material and remains unaffected by the adhesive material on its free surface.

Der Grundkörper wird vorteilhafterweise beidseitig kaschiert, indem er beispielsweise auf seiner Unterseite mit einem Gegenzugpapier, das bei Bedarf ebenfalls mit einem Primer beschichtet ist, kaschiert wird. Die beidseitige Kaschierung führt dazu, dass sich der entstehende Körper nicht verzieht bzw. verwölbt.The main body is advantageously laminated on both sides, for example, by being laminated on its underside with a Gegenzugpapier, which is also coated with a primer, if necessary. The double-sided lamination means that the resulting body does not warp or buckle.

Der auf die Papierbahn aufgebrachte Primer verschließt die oberflächlichen Poren der Papierbahn und bildet einen Haftvermittler für auf die Bauplatte beispielsweise mittels eines programmierbaren Druckverfahrens aufzubringende Färbeflüssigkeit. Wenn der Primer nicht deckend ist, so weist die Papierbahn vorteilhafterweise eine helllfarbene Oberfläche auf. Wenn der Primer deckend ist, ist er selbst vorteilhafterweise hellfarben.The primer applied to the paper web seals the superficial pores of the paper web and forms a bonding agent for dyeing liquid to be applied to the building board, for example by means of a programmable printing process. If the primer is not opaque, then the paper web advantageously has a light-colored surface. When the primer is opaque, it is itself advantageously light colored.

Die Papierbahn ist vorteilhafterweise derart ziehfähig, dass sie sich beim Aufbringen auf den Grundkörper dessen Oberfläche, wenn diese beispielsweise dreidimensional gewölbt ist, anpasst.The paper web is advantageously so drawable that it adapts when applied to the base body whose surface, for example, if this is three-dimensional curved.

Die Bauplatte 20, die mit der oberflächlich mit dem Primer versehenen Papierschicht 20 kaschiert ist, wird im dargestellten Beispiel in einer Druckstation 24 mittels eines Tintenstrahldruckverfahrens, das heißt mittels eines Druckkopfes oder Druckbalkens in an sich bekannter Weise mit einem vorbestimmten Muster bedruckt und anschließend in einer Trockenstation 26 getrocknet und abschließend in einer Vergütungsstation 28 mit einer Vergütungsschicht versehen, die lichtdurchlässig ist, eine große Härte aufweist, auch gegen aggressive Flüssigkeiten beständig ist und UV-stabil ist. Es versteht sich, dass die Trockenstation und die Vergütungssiation nicht zwingend sind.The building board 20, which is laminated with the surface provided with the primer paper layer 20 is printed in the example shown in a printing station 24 by means of an ink jet printing method, that is by means of a printhead or print bar in a conventional manner with a predetermined pattern and then in a Dried drying station 26 and finally provided in a tempering station 28 with a coating layer which is translucent, has a high hardness, even against aggressive Liquids resistant and UV stable. It is understood that the drying station and the compensation arrangement are not mandatory.

Die Druckstation 24 ist in ihrem Aufbau an sich bekannt und enthält beispielsweise einen oder mehrere hintereinander angeordnete Druckbalken, der bzw. die sich quer über die Bauplatte 20 erstreckt bzw. erstrecken und an der Unterseite eine Mehrzahl von Farbdüsen aufweist bzw. aufweisen. Alternativ kann ein Druckbalken auch durch einen Tintenstrahlkopf mit einer oder mehreren Farbdüsen gebildet sein, der sich bezogen auf die durch Pfeile dargestellt Transportrichtung des Grundkörpers 10 quer über den Grundkörper bewegt. Vorteilhaft ist eine Ausführungsform mit ortsfestem Druckbalken und sich unter dem Druckbalken linear bewegender Bauplatte 20. Der Transport der Grundkörper 10 bzw. Bauplatten 20 kann in an sich bekannter Weite mittels eines Transportbandes, eines Rollenförders usw. erfolgen. In Figur 1 nicht dargestellt ist eine Vereinzelungsstation, in der die Papierbahn 14 nach dem Aufkaschieren auf die Grundkörper 10 entsprechend der Form der Grundkörper geschnitten bzw. vereinzelt wird. Es versteht sich, dass die Grundkörper zunächst ein zusammenhängendes Band bilden können und erst nach Aufkaschieren vereinzelt werden können.The printing station 24 is known per se in construction and contains, for example, one or more pressure bars arranged one behind the other, which extend or extend transversely across the building board 20 and have or have a plurality of ink nozzles on the underside. Alternatively, a pressure bar may also be formed by an ink jet head having one or more ink nozzles, which moves transversely over the base body with respect to the transport direction of the base body 10 shown by arrows. Advantageously, an embodiment with fixed pressure bar and under the pressure bar linearly moving structural panel 20. The transport of the base body 10 or structural panels 20 can be done in a known per se width by means of a conveyor belt, a roller conveyor, etc. In FIG. 1 not shown is a separating station, in which the paper web 14 is cut or isolated according to the shape of the base body after the lamination to the base body 10. It is understood that the main body can first form a coherent band and can be separated only after laminating.

Zur Steuerung der gesamten Vorrichtung ist eine in ihrem Aufbau an sich bekannte elektronische Steuereinrichtung 30 vorgesehen, in der aufzudruckende Muster künstlich erzeugt oder von Mustervorlagen 31 eingescannt werden können. Die fertigen Bauplatten werden beispielsweise in einem Stapel 32 abgelegt.In order to control the entire device, an electronic control device 30 known in its construction is provided, in which patterns to be printed on can be artificially produced or scanned in from pattern templates 31. The finished building panels are stored, for example, in a stack 32.

Anhand der Figur 2 werden im Folgenden vorteilhafte Einzelheiten der Herstellung der Figur 1 erläutert; dabei deuten die senkrechten Trennstriche jeweils einzelne Verfahrensschritte an.Based on FIG. 2 In the following, advantageous details of the production of FIG. 1 are explained; The vertical dividing lines each indicate individual process steps.

Gemäß Figur 2 wird auf die Oberseite des porösen, meist etwas unebenen Grundkörpers 10 und/oder die Unterseite an ihrer Oberseite der mit einer Primerschicht bzw. einem Primer 34 versehenen Papierbahn 14 ein Bindemittel bzw. ein Klebermaterial 36 aufgetragen. Das Bindemittel kann beispielsweise Harz, Leim oder auch ein Schmelzkleber sein. Anschließend wird die Papierbahn 14 mit dem zwischen ihr und dem Grundkörper 10 angeordneten Bindemittel 36 auf den Grundkörper 10 aufgedrückt, was durch eine Presse oder durch Aufwalzen (Kaschieren) geschehen kann. Soweit dabei Hohlräume zwischen dem Grundkörper 10 und der Papierbahn 14 nicht unmittelbar durch Verformung ausgefüllt werden, werden sie durch das aushärtende Bindemittel 30 gefüllt, so dass die Oberfläche der Papierschicht 22 bzw. des Primers 36 eben ist. Die Papierbahn 10 weist vorteilhafter Weise durch entsprechende Vorbehandlung, beispielsweise durch Nasskreppen, eine gewisse Ziehfähigkeit auf, so dass sie sich beim Aufbringen einer Dreidimensionalität bzw. einem Relief ihrer Unterlage anpasst. Weiter ist die Papierbahn vorteilhafterweise schwer entflammbar.According to FIG. 2 is applied to the top of the porous, usually somewhat uneven base body 10 and / or the underside at its top of the provided with a primer layer or a primer 34 paper web 14, a binder or an adhesive material 36. The binder may be, for example, resin, glue or even a hot melt adhesive. Subsequently, the paper web 14 is pressed with the arranged between it and the base 10 binder 36 on the body 10, which by a press or through Rolling (lamination) can happen. As far as cavities between the base body 10 and the paper web 14 are not filled directly by deformation, they are filled by the curing binder 30, so that the surface of the paper layer 22 and the primer 36 is flat. The paper web 10 has advantageously by appropriate pre-treatment, for example by wet creping, a certain drawability, so that it adapts when applying a three-dimensionality or a relief of its base. Further, the paper web is advantageously flame retardant.

Bindemittel 36, das vor dem vollständigen Aushärten durch die Papierbahn 14 hindurchdiffundiert (durch Punkte in der Papierbahn 14 im rechten Teil der Figur 2 angedeutet), wird durch den Primer 36 an einem weiteren Vordringen gehindert. Die freie Oberfläche des Primers 36 bildet somit eine homogene Oberfläche, die eventuelle Bindemittelreste überdeckt und einen Haftgrund für die anschließend mittels eines programmierbaren Druckverfahrens aufgebrachte Färbeflüssigkeit bzw. Färbeflüssigkeiten bildet.Binder 36, which diffuses through the paper web 14 prior to complete curing (by dots in the paper web 14 in the right part of FIG FIG. 2 indicated) is prevented by the primer 36 at a further advance. The free surface of the primer 36 thus forms a homogeneous surface which covers any binder residues and forms a primer for the subsequently applied by means of a programmable printing process dyeing liquid or dyeing liquids.

Die Zusammensetzung des Primers richtet sich vorteilhafterweise nach der verwendeten Papierbahn, der Färbeflüssigkeit und dem Bindemittel, wobei der Primer nicht nur die Poren der Papierbahn verschließen soll, sondern auch einen Haftvermittler für die Färbeflüssigkeit und eine Sperrschicht für das Bindemittel bilden soll.The composition of the primer is advantageously determined by the paper web used, the dyeing liquid and the binder, wherein the primer should not only close the pores of the paper web, but also form a bonding agent for the dyeing liquid and a barrier layer for the binder.

Wenn das Papier hellfarben, infolge einer Einlagerung von z. B. Titanoxid vorzugsweise weiß durchgefärbt ist, oder zumindest eine hellfarbene, vorteilhafterweise weiße Oberschicht aufweist, kann der Primer farblos sein oder eine Grundtönung besitzen. Wenn preiswertes Papier verwendet wird, das keine unmittelbar bedruckungsgeeignete hellfarbene Oberseite aufweist, ist der Primer vorteilhafterweise hellfarben, vorzugsweise weiß, pigmentiert. Der Primer kann auch eine andere Grundeinfärbung aufweisen; wenn beispielsweise ein Holzdekor aufgedruckt werden soll, ist eine Grundeinfärbung des Primers vorteilhaft, die der hellsten Tönung des auszudruckenden Holzdekors entspricht.If the paper light colors, due to a storage of z. B. titanium oxide is preferably through-dyed white, or at least has a light-colored, advantageously white top layer, the primer may be colorless or have a base tint. If inexpensive paper is used which does not have a light-colored top side which can be directly printed on, the primer is advantageously light-colored, preferably white, pigmented. The primer may also have a different basic coloration; If, for example, a wood decor is to be printed, a basic coloring of the primer is advantageous, which corresponds to the brightest tint of the wood decor to be printed.

In jedem Fall bildet der Primer einen Verschluss der Papieroberfläche und einen Haftvermittler für die anschließend aufgebrachte(n) Färbeflüssigkeit(en). Als Primer bzw. Haftvermittler können an sich bekannte Primer auf Polyurethan Basis, Polyester Basis oder auch Epoxidharz Basis eingesetzt werden. Bei Zweikomponentensystemen werden die beiden Komponenten beispielsweise unmittelbar nacheinander aus Farbdüsen aufgebracht oder gleichzeitig aus verschiedenen Farbdüsen auf die selben Zielpunkte der Oberfläche aufgebracht, wodurch eine besonders intensive Vermischung der beiden Komponenten und dadurch gute Qualität der Primeroberfläche erzielt wird.In each case, the primer forms a seal of the paper surface and an adhesion promoter for the subsequently applied dyeing liquid (s). As a primer or adhesion promoter can be used per se known primer based on polyurethane, polyester or epoxy resin based. For two-component systems, the two Components for example, applied directly from ink nozzles or applied simultaneously from different ink nozzles on the same target points of the surface, whereby a particularly intensive mixing of the two components and thus good quality of the primer surface is achieved.

Die fertig bedruckten Bauplatten können beispielsweise einzeln als dekorative Verkleidungsplatten eingesetzt werden oder in vorbestimmter Weise in einer Mehrzahl zu einer kompletten Wandverkleidung zusammengesetzt werden, wobei die Nahtstellen zwischen den Bauplatten allenfalls bei näherer Betrachtung erkennbar sind. Aus den erfindungsgemäßen Bauplatten können Muster zusammengesetzt werden, wobei die Konturen der Bauplatten selbst zum Ornament des Musters beitragen können. Die angegebenen Beispiele für Zusammensetzungen oder sonstige Eigenschaften sind nicht abschließend, sondern können durch weitere ergänzt werden.The finished printed building panels, for example, can be used individually as decorative cladding panels or assembled in a predetermined manner in a plurality to a complete wall cladding, the seams between the panels are at best recognizable upon closer inspection. From the structural panels according to the invention, patterns can be assembled, wherein the contours of the building panels themselves can contribute to the ornament of the pattern. The examples given for compositions or other properties are not exhaustive but may be supplemented by others.

Bei einer Bauplatte mit einem Grundkörper 10 mit poröser Oberfläche und einer auf die poröse Oberfläche unter Zwischenanordnung eines aushärtbaren Bindemittels 36 aufgebrachten Papierbahn 14 ist die auf den Grundkörper aufgebrachte Papierbahn mit einem Primer (34) versehen, der geeignet ist, durch die Papierbahn (10) hindurchgedrungenes Bindemittel zu überdecken und eine Haftung zwischen der Oberfläche der Papierbahn und einer Färbeflüssigkeit (38) zu vermitteln, die mittels eines programmierbaren Druckverfahrens, insbesondere Tintenstrahldruckverfahrens, auf die mit dem Haftvermittler versehene Oberfläche der Papierbahn aufbringbar ist.In the case of a building board with a base body 10 with a porous surface and a paper web 14 applied to the porous surface with the interposition of a hardenable binder 36, the paper web applied to the base body is provided with a primer (34) which is suitable for passing through the paper web (10). To cover through penetrated binder and to provide adhesion between the surface of the paper web and a dyeing liquid (38), which can be applied by means of a programmable printing process, in particular ink jet printing process, on the provided with the primer surface of the paper web.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

88th
Beschichtungsvorrichtungcoater
1010
Grundkörperbody
1212
Vorratsrollesupply roll
1414
Papierbahnpaper web
1616
Materialschichtmaterial layer
1818
Walzeroller
2020
Bauplattebuilding board
2222
Papierschichtpaper layer
2323
Deckschichttopcoat
2424
Druckstationprinting station
2626
Trockenstationdrying station
2828
Vergütungsstationannealing station
3030
elektronische Steuereinrichtungelectronic control device
3131
Mustervorlagentemplates
3232
Stapelstack
3434
Primerprimer
3636
Bindemittelbinder
3838
Färbeflüssigkeitdyeing liquid

Claims (5)

  1. Method for producing a building board, having the following process steps of:
    - providing a board-like base body (10) with a porous surface,
    - providing a paper web (14) coated on one side with a primer (34),
    - applying a flowable binder (36) to the porous surface of the base body and/or to the side of the paper web (14) which faces the base body and is not coated with the primer,
    - applying the paper web (14) to the base body (10) with a flowable binder (36) arranged therebetween,
    - pressing or rolling the paper web onto the base body, the primer (34) being selected such that it forms an adhesion promoter for a dyeing liquid to be applied to the building board by means of the programmable printing method,
    characterised in that the primer (34) is further selected such that it covers a binder that has penetrated the paper web.
  2. Method according to claim 1, wherein the amount of the flowable binder (36) is adapted to the surface of the base body (10) such that the binder evens out irregularities in the surface of the base body and the surface of the paper web provided with primer (34) is even.
  3. Method according to either claim 1 or claim 2, wherein the paper web (14) to be applied to the base body (10) is light-coloured on its surface which is coated with the primer (34) and the primer applied to the light-coloured surface of the paper web closes pores on the surface of the paper web.
  4. Method according to either claim 1 or claim 2, wherein the primer (34) applied to the surface of the paper web (14) is light-coloured and opaque and closes pores on the surface of the paper web.
  5. Method according to any of claims 1 to 4, wherein the paper web (14) is stretchable such that, during application to the base body (10), it adapts to a three-dimensional surface structure of the substrate to which it is applied.
EP20100713971 2009-04-16 2010-04-16 Method for producing a printable building panel Active EP2419280B1 (en)

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SI201030208T SI2419280T1 (en) 2009-04-16 2010-04-16 Method for producing a printable building panel
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Applications Claiming Priority (2)

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DE200910017661 DE102009017661A1 (en) 2009-04-16 2009-04-16 Printable building board and method for producing a building board
PCT/EP2010/055044 WO2010119122A1 (en) 2009-04-16 2010-04-16 Printable building panel and method for producing a building panel

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CA (1) CA2758876C (en)
DE (1) DE102009017661A1 (en)
ES (1) ES2402923T3 (en)
PL (1) PL2419280T3 (en)
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US2035760A (en) * 1934-09-17 1936-03-31 Thomas S Reese Decorative material
US3382636A (en) * 1964-07-24 1968-05-14 Georgia Pacific Corp Gypsum lath construction
DE19532819A1 (en) 1995-09-06 1997-03-13 Hofa Homann Verwaltungsgesells Mfr. of fibreboards with patterned surfaces
JP3284037B2 (en) 1995-11-29 2002-05-20 ニチハ株式会社 How to paint building boards
TW459084B (en) * 1998-05-04 2001-10-11 Visy R & Amp D Pty Ltd Paper liner for plasterboard and plasterboard product and methods of producing the same
GB9918983D0 (en) 1999-08-11 1999-10-13 Bpb Plc Plasterboard
DE10262235B4 (en) 2002-11-12 2010-05-12 Kronotec Ag Particle board, in particular floor panel or furniture panel, and method for its production
DE102005059540A1 (en) * 2005-08-19 2007-06-14 Bauer, Jörg R. Reliably fastened to each other, flat components, and component
DE202006004493U1 (en) 2006-03-22 2006-06-08 Fichtner, Renate Decorative coated fire protection board
CN201002295Y (en) * 2006-09-19 2008-01-09 赵国强 Floor with stamping or printing composite layer
DE102007013132B4 (en) * 2007-03-15 2022-02-03 Flooring Industries Limited, Sarl Process for producing a flat, printed component
DE102007049784A1 (en) * 2007-10-17 2009-04-23 Bauer, Jörg R. By means of an inkjet printing process printable building board with a base body with a porous surface and method for producing a building board

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WO2010119122A1 (en) 2010-10-21
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CA2758876C (en) 2017-04-11
US20120135259A1 (en) 2012-05-31
RU2011146303A (en) 2013-05-27
SI2419280T1 (en) 2013-06-28
PT2419280E (en) 2013-05-14
DE102009017661A1 (en) 2010-10-21
ES2402923T3 (en) 2013-05-10
RU2498908C2 (en) 2013-11-20
CA2758876A1 (en) 2010-10-21
CN102356002A (en) 2012-02-15

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