EP2314462A1 - Cement-bound board with a printed decorative layer - Google Patents

Cement-bound board with a printed decorative layer Download PDF

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Publication number
EP2314462A1
EP2314462A1 EP09173630A EP09173630A EP2314462A1 EP 2314462 A1 EP2314462 A1 EP 2314462A1 EP 09173630 A EP09173630 A EP 09173630A EP 09173630 A EP09173630 A EP 09173630A EP 2314462 A1 EP2314462 A1 EP 2314462A1
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EP
European Patent Office
Prior art keywords
cement
decorative layer
bonded
layer
resistant
Prior art date
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Granted
Application number
EP09173630A
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German (de)
French (fr)
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EP2314462B1 (en
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Falquon GmbH
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Scannery Holztechnik GmbH
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Priority to PL09173630T priority Critical patent/PL2314462T3/en
Priority to EP09173630A priority patent/EP2314462B1/en
Publication of EP2314462A1 publication Critical patent/EP2314462A1/en
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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
    • B41M7/0081—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams
    • 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
    • B41M7/0045—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or film forming compositions cured by mechanical wave energy, e.g. ultrasonics, cured by electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams, or cured by magnetic or electric fields, e.g. electric discharge, plasma
    • 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
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0871—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having an ornamental or specially shaped visible surface
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/102—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials of fibrous or chipped materials, e.g. bonded with synthetic resins
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/107—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials composed of several layers, e.g. sandwich panels
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/20—Separately-laid insulating layers; Other additional insulating measures; Floating floors for sound insulation
    • E04F15/203—Separately-laid layers for sound insulation

Definitions

  • the invention relates to a cementitious panel according to the preamble of claim 1 and a method for its production according to claim 8.
  • Coatings of wood-based panels with melamine resins lead to color changes (bleaching) due to the poor weathering resistance and UV resistance of the melamine resins, as well as an increased brittleness of the surface. This is not only an optical problem, but rather goes along with a decreasing strength of the plate, which could be dangerous especially in an application in the facade area. In addition, such panels must withstand a certain strength in terms of the intended assembly and increased wind load.
  • compact disks It is known in the outdoor sector, such as in the facade area or the field of urban furniture to use compact disks. These compact disks have kraft papers impregnated with phenolic resins in their core equipment. The surface of the compact panels consists either of pigmented lacquers or of decorative papers impregnated with melanin resin. It proves to be disadvantageous that these compact disks are relatively expensive and have only a limited weather resistance due to their melamine resin surface. In addition, these compact plates are characterized by a high density of over 1400 kg / m 3 , which makes the transport and assembly of these plates considerably more difficult.
  • cement-bonded wood fiber boards are also known for use outdoors, eg in the façade area.
  • These cementitious panels may typically comprise cellulose, paper, wood or glass fibers held together by an inorganic binder such as cement ( DD 275863 A1 . DE 10060 212 A1 . DE 10 2004 022 227 A1 ).
  • the present invention is based on the object to provide a component or a plate available, which is suitable for use in outdoor areas and resists the stresses of climatic influences and water.
  • a plate In addition to such a plate should have a decorative surface with high color stability.
  • the cement-bonded panel according to the invention having at least one upper side and at least one lower side therefore has at least one printed decorative layer on at least one of the sides, wherein at least one protective layer is additionally arranged on the said decorative layer.
  • the decorative layer is applied directly to the top and / or bottom, i. the cement-bonded carrier plate serves as a direct print template.
  • the use of decorative paper can therefore be dispensed with, which contributes to a saving of material.
  • Another significant advantage of the plate according to the invention consists in its compared to compact plates and cement slabs much lower weight, which makes them particularly attractive for use in the facade area.
  • the protective layer ensures the resistance of the cementitious panel to moisture and water.
  • the decorative layer is applied to the cement-bonded carrier plate by means of an inkjet printer (inkjet printer).
  • inkjet printers for the production of decors is known for example from the processing of wood-based panels (eg DE 10 2006 022 774 B3 ). Therefore, there is no need for further modification or conversion of the inkjet printing process, which is used in the case of wood-based panels, which contributes to a time and cost savings.
  • CIJ continuous ink jet printers
  • DOD drop on demand printers
  • the applied decorative layer may include multicolored decors with or without geometric structures, woodgrains, tile patterns, parquet imitations, fantasy patterns, or other imaginable structures.
  • the at least one protective layer comprises at least one UV-resistant lacquer, which may be used in the form of a clear lacquer or may comprise further additives, in particular pigments, abrasion-resistant particles, flame retardants and / or conductive substances.
  • a UV-resistant lacquer guarantees a long color stability and thus a long service life of the coating.
  • the pigments used are in particular pigments of titanium dioxide and / or iron oxide.
  • the concentration of the pigments in the lacquer layer can be up to 5% by weight, preferably between 1 and 4% by weight, particularly preferably between 1.5 and 3.5% by weight.
  • the conductive substances may be selected from the group comprising carbon black, carbon fibers, metal powder and nanoparticles, in particular carbon nanotubes. It is also possible to use combinations of these substances.
  • the additive is selected from the group of flame retardants containing phosphates, borates, in particular ammonium polyphosphate, tris (tri-bromneopentyl) phosphate, zinc borate or boric acid complexes of polyhydric alcohols.
  • the abrasion-resistant particles are preferably selected from the group consisting of aluminum oxides, corundum, boron carbides, silicon dioxides, silicon carbides and glass beads.
  • the abrasion-resistant particles increase the abrasion resistance and stability of the protective layer.
  • a cement-bonded wood fiber board, a cement-bonded chipboard and / or a gypsum fiber board can be used as the cement-bonded board.
  • the intended for use plate is preferably smooth ground.
  • the surface preferably has no coarse chips in the cover layer, and preferably contains no defects such as holes or stains.
  • the cement-bonded plate may have at least one counter-coating and / or at least one sound-insulating and / or heat-insulating layer.
  • the present invention is also achieved by a method having the features of claim 8.
  • the decorative layer is printed in step using an inkjet printer in an ink jet process (inkjet process). Subsequently, the application of the decorative layer in the form of a UV-resistant paint, in particular a clearcoat and / or an additive containing paint done.
  • the surface of a cement board is first sanded using a 200 "grain and then cleaned by brushing or vacuuming.
  • the thus treated plate is dried between cured or the applied primer using UV lamps.
  • the surface of the cement board is printed with the desired decorative layer in the inkjet process.
  • a first protective varnish or primer is applied in an amount of approx. 10 g / m2, which is cured by means of UV lamps.
  • a second coating application with a quantity of about 80 g / m 2 follows, which is gelled or cured with UV lamps or ESH.
  • the final topcoat application at a rate of about 10 to 15 g / m2 is also cured by means of UV lamps or ESH.

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Finishing Walls (AREA)

Abstract

The board has a decorative layer imprinted on a top side or a bottom side. A protective layer is applied on the decorative layer and includes UV-resistant lacquer. The decorative layer is imprinted using an inkjet printer. The UV-resistant lacquer is used in the form of clear lacquer. The UV-resistant lacquer includes additives such as pigments, abrasion-resistant particles, flame retardant and/or conductive substances. A back pull coating, sound-insulating layer and/or heat-insulating layer is used in the board. An independent claim is also included for a method for producing a cementitious board provided with a top side, a bottom side and a decorative layer.

Description

Die Erfindung betrifft eine zementgebundene Platte nach dem Oberbegriff des Anspruchs 1 und ein Verfahren zu deren Herstellung nach Anspruch 8.The invention relates to a cementitious panel according to the preamble of claim 1 and a method for its production according to claim 8.

Der Einsatz von Platten auf der Basis von Holzwerkstoffen im Außenbereich ist aufgrund mehrerer Probleme begrenzt. Dies betrifft insbesondere die relativ schlechte Wasser- und Witterungsbeständigkeit von Holzwerkstoffplatten. So kann eine schlechte Wasserbeständigkeit von Holzwerkstoffplatten bei der Nutzung im Außenbereich zu Quellungen bis hinzu Materialzerstörungen führen.The use of outdoor wood-based panels is limited due to several issues. This concerns in particular the relatively poor water and weather resistance of wood-based panels. For example, poor water resistance of wood-based panels when used outdoors can lead to swelling and material destruction.

Beschichtungen von Holzwerkstoffplatten mit Melaminharzen führen aufgrund der schlechten Witterungsbeständigkeit und UV-Beständigkeit der Melaminharze zu farblichen Veränderungen (Verbleichen) bis hinzu einer erhöhten Sprödigkeit der Oberfläche. Dies ist nicht nur ein optisches Problem, sondern geht vielmehr einher mit einer nachlassenden Festigkeit der Platte, was insbesondere bei einer Anwendung im Fassadenbereich gefährlich werden könnte. Darüber hinaus müssen derartige Platten neben einer bestimmten Festigkeit im Hinblick auf die vorgesehene Montage auch einer erhöhten Windlast widerstehen.Coatings of wood-based panels with melamine resins lead to color changes (bleaching) due to the poor weathering resistance and UV resistance of the melamine resins, as well as an increased brittleness of the surface. This is not only an optical problem, but rather goes along with a decreasing strength of the plate, which could be dangerous especially in an application in the facade area. In addition, such panels must withstand a certain strength in terms of the intended assembly and increased wind load.

Es ist bekannt im Außenbereich, wie zum Beispiel im Fassadenbereich oder dem Bereich der Stadtmöblierung, Kompaktplatten zu verwenden. Diese Kompaktplatten weisen mit Phenolharze imprägnierte Kraftpapiere in ihrer Kernanlage auf. Die Oberfläche der Kompaktplatten bestehen entweder aus pigmentierten Lacken oder aus dekorativen Papieren, die mit Melaninharz imprägniert sind. Als nachteilig erweist sich dabei, dass diese Kompaktplatten relativ teuer sind und aufgrund ihrer Melaminharzoberfläche nur eine eingeschränkte Witterungsbeständigkeit besitzen. Zudem sind diese Kompaktplatten durch eine hohe Dichte von über 1400 kg/m3 gekennzeichnet, was den Transport und die Montage dieser Platten erheblich erschwert.It is known in the outdoor sector, such as in the facade area or the field of urban furniture to use compact disks. These compact disks have kraft papers impregnated with phenolic resins in their core equipment. The surface of the compact panels consists either of pigmented lacquers or of decorative papers impregnated with melanin resin. It proves to be disadvantageous that these compact disks are relatively expensive and have only a limited weather resistance due to their melamine resin surface. In addition, these compact plates are characterized by a high density of over 1400 kg / m 3 , which makes the transport and assembly of these plates considerably more difficult.

Üblicherweise werden bei diesen Kompaktplatten nur einfarbige bzw. unifarbene Dekore verwendet, da andere Dekore auf Papierbasis nur schwer realisierbar sind. Ein direktes Bedrucken der mit Phenolharze imprägnierten Kompaktplatten-Rohlinge ist aufgrund technischer Probleme wie zum Beispiel der durch die Phenolkomponente hervorgerufenen dunkelbraunen Farbe und der schlechten Haftung bisher nicht möglich.Usually, these monochrome or plain decors are used in these compact disks, as other paper-based decorations are difficult to achieve. A direct printing of phenolic resins impregnated compact disc blanks is not yet possible because of technical problems such as caused by the phenolic component dark brown color and poor adhesion.

Eine weitere wesentliche Anforderung an für den Außenbereich vorgesehene Platten besteht darin, dass diese ab einer vorgeschriebenen Gebäudehöhe schwer entflammbar sein müssen. Bisher kann dies nur durch den aufwändigen Einsatz von Flammenschutzmittel erreicht werden.Another essential requirement of outdoor panels is that they must be flame retardant from a prescribed building height. So far, this can only be achieved by the extensive use of flame retardants.

Eine Alternative zu den beschriebenen Kompaktplatten stellen Systeme auf rein anorganischer Basis dar, wie zum Beispiel Zementplatten. Aufgrund ihres hohen Gewichtes sind diese Platten für die Fassadenanwendung jedoch nicht geeignet. Zudem ist eine direkte Oberflächenveredelung durch Bedrucken oder Auftragen einer Lackierung aufgrunf der typischen Oberfläche nicht möglich. So sind diese Betonplatten in der Regel nur in Form von einfach gefärbten Platten ohne weiteres Dekor erhältlich. Damit werden jedoch Gestaltungsmöglichkeiten im Fassadenbereich vernachlässigt, die neben dem dekorativen Aspekt auch weitere Aspekte wie zum Beispiel zusätzliche Werbefläche unberücksichtigt lassen.An alternative to the described compact disks are purely inorganic-based systems, such as cement boards. Due to their high weight, these panels are not suitable for facade application. In addition, a direct surface refinement by printing or applying a paint aufgrunf the typical surface is not possible. So these concrete slabs are usually available only in the form of plain colored plates without further decoration. However, design options in the façade area are neglected, which aside from the decorative aspect also ignore other aspects such as additional advertising space.

Neben Platten auf der Basis von Holzwerkstoffen oder Zement sind ebenfalls zementgebundene Holzfaserplatten zur Anwendung im Außenbereich, z.B. im Fassadenbereich bekannt. Diese zementgebundene Platten können üblicherweise Fasern aus Zellulose, Papier, Holz oder Glas aufweisen, welche durch ein anorganisches Bindemittel wie zum Beispiel Zement zusammengehalten werden ( DD 275863 A1 , DE 10060 212 A1 , DE 10 2004 022 227 A1 ).In addition to boards based on wood-based materials or cement, cement-bonded wood fiber boards are also known for use outdoors, eg in the façade area. These cementitious panels may typically comprise cellulose, paper, wood or glass fibers held together by an inorganic binder such as cement ( DD 275863 A1 . DE 10060 212 A1 . DE 10 2004 022 227 A1 ).

Zur Erhöhung der Stabilität von zementgebundene Holzfaserplatten ist das Auftragen von zusätzlichen Schutzschichten, die keine Holzfasern enthalten, auf eine Trägerplatte aus zementgebundenen Holzfasern bekannt ( WO 03/016626 A2 ). Diese zusätzliche Schutzschicht kann durch geeignete Dekormotive oder Texturen modifiziert werden.In order to increase the stability of cement-bonded wood fiber boards, it is known to apply additional protective layers which do not contain wood fibers to a base plate made of cement-bonded wood fibers ( WO 03/016626 A2 ). This additional protective layer can be modified by suitable decorative motifs or textures.

Der vorliegenden Erfindung liegt die Aufgabe zu Grunde, ein Bauelement bzw. eine Platte zur Verfügung zu stellen, die zur Anwendung im Außenbereich geeignet ist und den Belastungen durch klimatische Einflüsse und Wasser widersteht. Zu dem soll eine derartige Platte eine dekorative Oberfläche mit hoher Farbstabilität aufweisen.The present invention is based on the object to provide a component or a plate available, which is suitable for use in outdoor areas and resists the stresses of climatic influences and water. In addition to such a plate should have a decorative surface with high color stability.

Dieser Aufgabe wird Erfindung gemäß durch eine zementgebundene Platte mit den Merkmalen des Anspruchs 1 gelöst.This object is achieved according to the invention by a cement-bonded plate with the features of claim 1.

Die erfindungsgemäße zementgebundene Platte mit mindestens einer Oberseite und mindestens einer Unterseite weist demnach auf mindestens einer der Seiten mindestens eine aufgedruckte Dekorschicht auf, wobei auf der genannten Dekorschicht zusätzlich mindestens eine Schutzschicht angeordnet ist.The cement-bonded panel according to the invention having at least one upper side and at least one lower side therefore has at least one printed decorative layer on at least one of the sides, wherein at least one protective layer is additionally arranged on the said decorative layer.

Die Dekorschicht ist dabei unmittelbar auf die Oberseite und/oder Unterseite aufgebracht, d.h. die zementgebundene Trägerplatte dient als direkte Druckvorlage. Auf die Verwendung von Dekorpapier kann daher verzichtet werden, was zu einer Materialersparnis beiträgt. Ein weiterer wesentlicher Vorteil der erfindungsgemäßen Platte besteht in ihrem im Vergleich zu Kompaktplatten und Zementplatten wesentlich geringeren Gewicht, was diese für den Einsatz im Fassadenbereich besonders attraktiv macht.The decorative layer is applied directly to the top and / or bottom, i. the cement-bonded carrier plate serves as a direct print template. The use of decorative paper can therefore be dispensed with, which contributes to a saving of material. Another significant advantage of the plate according to the invention consists in its compared to compact plates and cement slabs much lower weight, which makes them particularly attractive for use in the facade area.

Durch die Schutzschicht wird die Beständigkeit der zementgebundenen Platte gegen Feuchtigkeit und Wasser gewährleistet.The protective layer ensures the resistance of the cementitious panel to moisture and water.

In einer bevorzugten Ausführungsform wird die Dekorschicht mittels eines TintenstrahlDruckers (Inkjet- Druckers) auf die zementgebundene Trägerplatte aufgetragen. Die Verwendung von Tintenstrahl-Druckern zur Erzeugung von Dekoren ist zum Beispiel aus der Bearbeitung von Holzwerkstoffplatten bekannt (z.B. DE 10 2006 022 774 B3 ). Daher bedarf es keiner weitergehenden Modifikation oder Umstellung des Tintenstrahl-Druckprozesses, der im Falle von Holzwerkstoffplatten Anwendung findet, was zu einer Zeit- und Kostenersparnis beiträgt.In a preferred embodiment, the decorative layer is applied to the cement-bonded carrier plate by means of an inkjet printer (inkjet printer). The use of inkjet printers for the production of decors is known for example from the processing of wood-based panels (eg DE 10 2006 022 774 B3 ). Therefore, there is no need for further modification or conversion of the inkjet printing process, which is used in the case of wood-based panels, which contributes to a time and cost savings.

Als Tintenstrahldrucker können CIJ (Continous Ink Jet)-Drucker und/oder DOD (drop On Demand)-Drucker verwendet werden, die dem Fachmann bekannt sind. Die Verwendung von CIJ-Druckern ist im vorliegenden Fall bevorzugt.As ink jet printers, CIJ (continuous ink jet) printers and / or DOD (drop on demand) printers known to those skilled in the art may be used. The use of CIJ printers is preferred in the present case.

Die aufgetragene Dekorschicht kann mehrfarbige Dekore mit oder ohne geometrischen Strukturen, Holzmaserungen, Fliesenmuster, Parkettimitate, Fantasiemuster oder anderer vorstellbaren Strukturen umfassen.The applied decorative layer may include multicolored decors with or without geometric structures, woodgrains, tile patterns, parquet imitations, fantasy patterns, or other imaginable structures.

Es ist weiterhin von Vorteil, dass die mindestens eine Schutzschicht mindestens einen UV-beständigen Lack umfasst, wobei dieser in Form eines Klarlackes verwendet werden kann oder weitere Additive, insbesondere Pigmente, abriebfeste Partikel, Flammschutzmittel und/oder leitfähige Substanzen, umfassen kann. Die Verwendung eines UV-beständigen Lackes garantiert eine lange Farbstabilität und damit eine lange Nutzungsdauer der Beschichtung.It is furthermore advantageous that the at least one protective layer comprises at least one UV-resistant lacquer, which may be used in the form of a clear lacquer or may comprise further additives, in particular pigments, abrasion-resistant particles, flame retardants and / or conductive substances. The use of a UV-resistant lacquer guarantees a long color stability and thus a long service life of the coating.

Als Pigmente werden insbesondere Pigmente aus Titandioxid und/oder Eisenoxid verwendet. Die Konzentration der Pigmente in der Lackschicht kann bis zu 5 Gew%, bevorzugt zwischen 1 bis 4 Gew%, insbesondere bevorzugt zwischen 1,5 bis 3,5 Gew% betragen.The pigments used are in particular pigments of titanium dioxide and / or iron oxide. The concentration of the pigments in the lacquer layer can be up to 5% by weight, preferably between 1 and 4% by weight, particularly preferably between 1.5 and 3.5% by weight.

Die leitfähigen Substanzen können ausgewählt sein aus der Gruppe enthaltend Russ, Kohlefasern, Metallpulver und Nanopartikel, insbesondere Kohlenstoffnanoröhren. Es können auch Kombinationen dieser Substanzen zum Einsatz kommen.The conductive substances may be selected from the group comprising carbon black, carbon fibers, metal powder and nanoparticles, in particular carbon nanotubes. It is also possible to use combinations of these substances.

In einer weiteren Ausführungsform ist das Additiv ausgewählt aus der Gruppe der Flammschutzmittel enthaltend Phosphate, Borate, insbesondere Ammoniumpolyphosphat, Tris(tri-bromneopentyl)phosphat, Zinkborat oder Borsäurekomplexe von mehrwertigen Alkoholen.In a further embodiment, the additive is selected from the group of flame retardants containing phosphates, borates, in particular ammonium polyphosphate, tris (tri-bromneopentyl) phosphate, zinc borate or boric acid complexes of polyhydric alcohols.

Die Verwendung von Flammenschutzmittel führt zu einer weiteren Verringerung der Entflammbarkeit und ist daher insbesondere bei Anwendungen der Platten im Fassadenbereich von Bedeutung, die ab einer bestimmten Gebäudehöhe zum Einsatz kommen.The use of flame retardants leads to a further reduction of flammability and is therefore of particular importance in applications of panels in the facade area, which are used from a certain building height.

Die abriebfesten Partikel sind bevorzugt ausgewählt aus der Gruppe enthaltend Aluminiumoxide, Korund, Borcarbide, Siliziumdioxide, Siliziumcarbide und Glaskugeln. Die abriebfesten Partikel erhöhen die Abriebfestigkeit und Stabilität der Schutzschicht.The abrasion-resistant particles are preferably selected from the group consisting of aluminum oxides, corundum, boron carbides, silicon dioxides, silicon carbides and glass beads. The abrasion-resistant particles increase the abrasion resistance and stability of the protective layer.

Prinzipiell können als zementgebundene Platte eine zementgebundene Holzfaserplatte, eine zementgebundene Holzspanplatte und/oder auch eine Gipsfaserplatte zum Einsatz kommen. Die zum Einsatz vorgesehene Platte ist bevorzugt glatt geschliffen. Darüber hinaus weist die Oberfläche bevorzugt keine groben Späne in der Deckschicht auf, und enthält bevorzugt keine Fehlstellen wie z.B. Löcher oder Flecken.In principle, a cement-bonded wood fiber board, a cement-bonded chipboard and / or a gypsum fiber board can be used as the cement-bonded board. The intended for use plate is preferably smooth ground. In addition, the surface preferably has no coarse chips in the cover layer, and preferably contains no defects such as holes or stains.

Zusätzlich zu der Dekorschicht und der Schutzschicht kann die zementgebundene Platte mindestens eine Gegenzugsbeschichtung und/oder mindestens eine schalldämmende und/oder wärmedämmende Schicht aufweisen.In addition to the decorative layer and the protective layer, the cement-bonded plate may have at least one counter-coating and / or at least one sound-insulating and / or heat-insulating layer.

Die vorliegende Erfindung wird auch durch ein Verfahren mit den Merkmalen des Anspruchs 8 gelöst.The present invention is also achieved by a method having the features of claim 8.

Demnach erfolgt die Herstellung einer mit mindestens einer Dekorschicht versehenen zementgebundenen Platte mit mindestens einer Oberseite und mindestens einer Unterseite in einem Verfahren umfassend die folgenden Schritte:

  1. a) Aufdrucken von mindestens einer Dekorschicht auf mindestens eine der Seiten der zementgebundenen Platte, und
  2. b) Auftragen von mindestens einer Schutzschicht auf die aufgedruckte Dekorschicht.
Accordingly, the production of a cement-bonded plate provided with at least one decorative layer with at least one upper side and at least one lower side takes place in a method comprising the following steps:
  1. a) printing at least one decorative layer on at least one of the sides of the cementitious panel, and
  2. b) applying at least one protective layer to the printed decorative layer.

In einer bevorzugten Ausführungsform wird die Dekorschicht in Schritt unter Verwendung eines Tintenstrahldruckers in einem Tintenstrahlverfahrens (Inkjet-Verfahren) aufgedruckt. Anschließend kann der Auftrag der Dekorschicht in Form eines UV-beständigen Lackes, insbesondere eines Klarlackes und/oder eines Additive aufweisenden Lackes, erfolgen.In a preferred embodiment, the decorative layer is printed in step using an inkjet printer in an ink jet process (inkjet process). Subsequently, the application of the decorative layer in the form of a UV-resistant paint, in particular a clearcoat and / or an additive containing paint done.

Nachfolgend wird die Erfindung anhand eines Ausführungsbeispiels näher erläutert.The invention will be explained in more detail with reference to an embodiment.

Ausführungsbeispielembodiment

Die Oberfläche einer Zementplatte wird zunächst unter Verwendung eines 200"er Korns geschliffen und anschließend durch Bürsten oder Absaugen gereinigt.The surface of a cement board is first sanded using a 200 "grain and then cleaned by brushing or vacuuming.

Im nächsten Schritt erfolgt der Auftrag eines Primers mit einer Menge von ca. 10g/m2 mit nachfolgendem Aufbringen einer weißen Grundierung in einer Menge von ca. 20g/m2.In the next step, the application of a primer with an amount of about 10 g / m 2 with subsequent application of a white primer in an amount of about 20 g / m 2 .

Die so behandelte Platte wird zwischen getrocknet bzw. die aufgebrachte Grundierung unter Verwendung von UV-Lampen gehärtet.The thus treated plate is dried between cured or the applied primer using UV lamps.

Nachfolgend wird die Oberfläche der Zementplatte mit der gewünschten Dekorschicht im Inkjet-Verfahren bedruckt.Subsequently, the surface of the cement board is printed with the desired decorative layer in the inkjet process.

Im Anschluss an das Druckverfahren erfolgt der Auftrag eines ersten Schutzlackes bzw, Primers in einer Menge von ca. 10g/m2, der mittels UV-Lampen ausgehärtet wird.Following the printing process, a first protective varnish or primer is applied in an amount of approx. 10 g / m2, which is cured by means of UV lamps.

Ein zweiter Lackauftrag mit einer Menge von ca. 80 g/m2 schließt sich an, welcher mit UV-Lampen oder ESH angeliert bzw. angehärtet wird. Der abschließende Decklackauftrag mit einer Menge von ca. 10 bis 15 g/m2 wird ebenfalls mittels UV-Lampen oder ESH gehärtet.A second coating application with a quantity of about 80 g / m 2 follows, which is gelled or cured with UV lamps or ESH. The final topcoat application at a rate of about 10 to 15 g / m2 is also cured by means of UV lamps or ESH.

Claims (10)

Zementgebundene Platte mit mindestens einer Oberseite und mindestens einer Unterseite, gekennzeichnet durch mindestens eine auf mindestens eine der Seiten der zementgebundenen Platte aufgedruckte Dekorschicht, und mindestens einer auf der Dekorschicht angeordneten Schutzschicht.Cement-bonded panel having at least one upper side and at least one lower side, characterized by at least one decorative layer printed on at least one of the sides of the cement-bonded panel, and at least one protective layer arranged on the decorative layer. Zementgebundene Platte nach Anspruch 1, dadurch gekennzeichnet, dass die Dekorschicht mit einem Tintenstrahl-Drucker aufdruckbar ist.Cement-bonded panel according to claim 1, characterized in that the decorative layer can be imprinted with an inkjet printer. Zementgebundene Platte nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die mindestens eine Schutzschicht mindestens einen UV-beständigen Lack umfasst.Cement-bonded panel according to claim 1 or 2, characterized in that the at least one protective layer comprises at least one UV-resistant lacquer. Zementgebundene Platte nach Anspruch 3, dadurch gekennzeichnet, dass der mindestens eine UV-beständige Lack in Form eines Klarlackes verwendet wird.Cement-bonded panel according to claim 3, characterized in that the at least one UV-resistant lacquer is used in the form of a clearcoat. Zementgebundene Platte nach Anspruch 3, dadurch gekennzeichnet, dass der mindestens eine UV-beständige Lack weitere Additive, insbesondere Pigmente, abriebfeste Partikel, Flammschutzmittel und/oder leitfähige Substanzen, umfasst.Cement-bonded panel according to claim 3, characterized in that the at least one UV-resistant lacquer further additives, in particular pigments, abrasion-resistant particles, flame retardants and / or conductive substances comprises. Zementgebundene Platte nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass als zementgebundene Platte eine zementgebundene Holzfaserplatte, und/oder eine zementgebundene Holzspanplatte verwendet werden.Cement-bonded panel according to one of the preceding claims, characterized in that a cement-bonded wood fiber board, and / or a cement-bonded chipboard are used as the cement-bonded board. Zementgebundene Platte nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die zementgebundene Platte zusätzlich mindestens eine Gegenzugsbeschichtung und/oder mindestens eine schalldämmende und/oder wärmedämmende Schicht umfasst.Cement-bonded panel according to one of the preceding claims, characterized in that the cement-bonded panel additionally comprises at least one counter-coating and / or at least one sound-insulating and / or heat-insulating layer. Verfahren zur Herstellung einer mit mindestens einer Dekorschicht versehenen zementgebundenen Platte mit mindestens einer Oberseite und mindestens einer Unterseite nach einem der vorhergehenden Ansprüche umfassend die folgenden Schritte: a) Aufbringen der mindestens einen Dekorschicht auf mindestens eine der Seiten der zementgebundenen Platte mittels Aufdrucken, und b) Auftragen von mindestens einer Schutzschicht auf die mindestens eine Dekorschicht. A method for producing a cementitious panel provided with at least one decorative layer, having at least one upper side and at least one lower side according to one of the preceding claims, comprising the following steps: a) applying the at least one decorative layer on at least one of the sides of the cement-bonded plate by means of printing, and b) applying at least one protective layer to the at least one decorative layer. Verfahren nach Anspruch 8, dadurch gekennzeichnet, dass die Dekorschicht in Schritt a) mittels eines Tintenstrahlverfahrens aufgedruckt wird.A method according to claim 8, characterized in that the decorative layer is printed in step a) by means of an ink jet method. Verfahren nach Anspruch 8 oder 9, dadurch gekennzeichnet, dass die mindestens eine Schutzschicht in Schritt b) in Form eines UV-beständigen Lackes, insbesondere eines Klarlackes und/oder eines Additive aufweisenden Lackes aufgetragen wird.A method according to claim 8 or 9, characterized in that the at least one protective layer in step b) in the form of a UV-resistant paint, in particular a clearcoat and / or an additive having paint is applied.
EP09173630A 2009-10-21 2009-10-21 Method of manufacturing a cement-bound board with a printed decorative layer Not-in-force EP2314462B1 (en)

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EP2803783A3 (en) * 2013-05-16 2014-12-24 Novo-Tech GmbH & Co. KG Panel and method for manufacturing a panel
US10442733B2 (en) 2014-02-04 2019-10-15 The Intellectual Gorilla Gmbh Lightweight thermal insulating cement based materials
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US10538459B2 (en) 2014-06-05 2020-01-21 The Intellectual Gorilla Gmbh Extruded cement based materials
US11072562B2 (en) 2014-06-05 2021-07-27 The Intellectual Gorilla Gmbh Cement-based tile
DE102014014912A1 (en) * 2014-10-08 2016-04-14 Ed. Heckewerth Nachf. GmbH & Co. KG paneling
WO2018130401A1 (en) * 2017-01-13 2018-07-19 Akzenta Paneele + Profile Gmbh Decorated surface-structured wall or floor panel based on a fiber cement sheet
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