EP2130991A2 - Composite wood board, especially for floor panels - Google Patents

Composite wood board, especially for floor panels Download PDF

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Publication number
EP2130991A2
EP2130991A2 EP09161950A EP09161950A EP2130991A2 EP 2130991 A2 EP2130991 A2 EP 2130991A2 EP 09161950 A EP09161950 A EP 09161950A EP 09161950 A EP09161950 A EP 09161950A EP 2130991 A2 EP2130991 A2 EP 2130991A2
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EP
European Patent Office
Prior art keywords
layer
film package
wood
plastic layer
wear
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Application number
EP09161950A
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German (de)
French (fr)
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EP2130991B1 (en
EP2130991A3 (en
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Flooring Technologies Ltd
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Flooring Technologies Ltd
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Application filed by Flooring Technologies Ltd filed Critical Flooring Technologies Ltd
Priority to PL09161950T priority Critical patent/PL2130991T3/en
Publication of EP2130991A2 publication Critical patent/EP2130991A2/en
Publication of EP2130991A3 publication Critical patent/EP2130991A3/en
Application granted granted Critical
Publication of EP2130991B1 publication Critical patent/EP2130991B1/en
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Classifications

    • 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
    • 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
    • E04F15/181—Insulating layers integrally formed with the flooring or the flooring elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/041—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise
    • E04F2290/042—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise with a facing or top layer for sound insulation
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/041—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise
    • E04F2290/043—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise with a bottom layer for sound insulation

Definitions

  • the invention relates to a wood-based panel, in particular for floor panels, consisting of a support plate of a wood material, such as chip, plywood, OSB, HDF or MDF, with a top and a bottom and a method for producing such a plate.
  • a wood-based panel in particular for floor panels, consisting of a support plate of a wood material, such as chip, plywood, OSB, HDF or MDF, with a top and a bottom and a method for producing such a plate.
  • Floor panels as floor coverings have on the top surface in the laid state a decor and optionally a pattern embossed on the structure imprinting a natural material such as wood or stone imitate.
  • the base plate material used are HDF, MDF or OSB plates whose thicknesses are in a range of 2 to 20 mm, preferably 5 to 12 mm and have densities of about 880 kg / m 3 +/- 10%. Even plates with different parameters, in particular lower densities are suitable for use.
  • the decors for the upper surfaces of the carrier plates can be printed on a paper layer or directly on the plate-shaped base.
  • Such decors are for example wood or stone imitations. Fantasy decors are also possible. These can result, for example, from modifications of natural materials.
  • laminate flooring structures are increasingly embossed into the surface to increase the authenticity in addition to visually appealing decors. These can be simple pores in wood decors, but also more elaborate scraped structures, which also run decorsynchronously. Increasingly, stone or marble tiles are being simulated, in which not only the actual surface structure but also the decor-synchronous embossing of the joint filling lines is of importance.
  • Floor coverings are usually laid floating, with a connection of the panels with each other in the laying level, but not with the underlying bottom layer. By walking there is a stimulation of the floor. Audible sound waves are generated. The sound waves are audible in the room in which the floor is located, the so-called room or beech sound. On the other hand, the sound in adjacent, for example, underlying rooms as a so-called impact sound audible.
  • sound-insulating and / or sound-damping layers are provided between the carrier plate and the bottom layer.
  • crosslinked PE mats with thicknesses of 1.0 mm or 0.3 to 3 mm thick filled heavy foils, but also foamed PE or PU films are used.
  • PE mats with thicknesses of 1 mm as well as foamed PE or PU films on hard floor coverings hardly reduce the room sound volume, but rather only change the sound.
  • the dominant frequency range of such mats and foils shifts to higher frequencies and makes the ground sound brighter.
  • Hard floor coverings with heavy foils in the Thickness range of 0.3 to 3 mm are also not quieter.
  • the dominant frequency range is more in the lower frequency range.
  • the invention has for its object to develop a floor covering which has a high degree of authenticity of a natural material, has an improved room and / or impact noise property and also has a warm feel.
  • the floor covering should feel warm when walking "barefoot”.
  • the floor covering seen from bottom to top the following layer structure.
  • a sound-absorbing layer acting in a particular embodiment of the invention as a balance layer, applied to the support plate, which prevents warping of the panels, the so-called bowls and at the same time allows the reduction of the impact and / or room sound effect .
  • a sound-absorbing layer acting in a particular embodiment of the invention as a balance layer, applied to the support plate, which prevents warping of the panels, the so-called bowls and at the same time allows the reduction of the impact and / or room sound effect .
  • the following carrier plate made of a wood material, such as chip, plywood, OSB, HDF or MDF, carries on the top of a decor consisting of at least one plastic layer and a decorative paper.
  • the decorative paper on a pattern embossing.
  • a sealing lacquer layer which may contain surface near abrasion resistant particles, such as corundum, and in turn has another structure embossing in another particular embodiment applied.
  • the decor to be applied to the surface of the carrier plate consists of a foil packet of at least one elastic and thermoplastically deformable plastic layer and a decorative paper.
  • the film package is made by surface application of a liquid plastic to a layer having a thickness of 0.2 to 2.5 mm at a surface temperature of 130 to 200 ° C and simultaneously applying a decor paper on the plastic layer and connecting both taking advantage of in the plastic layer obtained existing thermal energy.
  • Suitable plastics are EVA, PP, PE, PET, PVC, acrylates, polyolefins, polyesters and waxes.
  • thermoplastic polyurethanes (TPU) are not used. But other plastics with comparable properties can be used. Likewise, combinations of the aforementioned plastics can be used.
  • the plastic used depends on the desired properties of the finished panel. So PVC plastics are cheap. EVA plastics are inexpensive, elastic and plastic, while PP plastics are elastic, hard and tough. Acrylic plastics are UV curing and PET plastics are inexpensive to produce. Waxes have plastic properties.
  • the plastic layer may also be composed of several layers, wherein only one plastic but also different plastics can be sequentially superimposed over a large area.
  • the film package is provided with a structure embossing, preferably before application to the wood fiber board.
  • a structure embossing roller preferably before application to the wood fiber board.
  • a textured paper which is carried between the film pack and a smooth embossing roll and is reusable.
  • the structure embossing can have a depth greater than 100, preferably 200 to 400, ym.
  • the structure embossing can be executed running synchronously to the decor.
  • the film package is applied to the carrier plate, for example using a water-soluble PU adhesive.
  • a decor-sealing lacquer layer is applied, for which, for example, radiation-curable acrylate lacquers can be used.
  • the acrylate coatings can be replaced by other coatings with comparable properties.
  • abrasion-resistant particles for example corundum grains are embedded at least in near-surface areas of the paint layer.
  • a method for producing the wood fiber board according to the invention provides that on the underside of the support plate, a sound-absorbing layer, which can act as a balance layer, applied and then adhered to the top of a film package consisting of a plastic layer and a decorative paper.
  • the film package can be provided with a structuring during its production but also after application to the carrier plate.
  • a paint layer is applied as a wear protection layer.
  • the application of the lacquer layer can be done after sticking the foil package on the wood fiber board, but preferably in the production of the foil package.
  • corundum particles or particles with comparable properties can preferably be incorporated into this wear protection layer near the surface.
  • the film package thus hardly larger voltages are introduced into the carrier plate and thus a bowl largely avoided.
  • a balance layer is not necessary.
  • the thicknesses of the carrier plates used can be minimized.

Abstract

The composite wood board comprises a chipboard, plywood, oriented strand board (OSB) composite wood, medium-density fiberboard (MDF) composite wood or high density fiberboard (HDF) composite wood with a lower and an upper side. The lower side is made of a sound-proof layer which acts as a balancing layer. A plastic layer is assembled from an elastic thermoplastic deformed plastic layer removing the thermoplastic polyurethane. An independent claim is included for a method for producing a composite wood board, particularly for floor panels.

Description

Die Erfindung betrifft eine Holzwerkstoffplatte, insbesondere für Fußbodenpaneele, bestehend aus einer Trägerplatte aus einem Holzwerkstoff, wie Span, Sperrholz, OSB, HDF oder MDF, mit einer Oberseite und einer Unterseite und einem Verfahren zur Herstellung einer solchen Platte.The invention relates to a wood-based panel, in particular for floor panels, consisting of a support plate of a wood material, such as chip, plywood, OSB, HDF or MDF, with a top and a bottom and a method for producing such a plate.

Fußbodenpaneele als Fußbodenbeläge weisen auf der im verlegten Zustand oberen Fläche ein Dekor und gegebenenfalls eine auf das Dekor angepasste Strukturprägung auf, die einen natürlichen Werkstoff, wie beispielsweise Holz oder Stein imitieren.Floor panels as floor coverings have on the top surface in the laid state a decor and optionally a pattern embossed on the structure imprinting a natural material such as wood or stone imitate.

Als Basisplattenmaterial dienen HDF-, MDF- oder OSB-Platten, deren Dicken in einem Bereich von 2 bis 20 mm, vorzugsweise 5 bis 12 mm liegen und Rohdichten von etwa 880 kg/m3 +/- 10% aufweisen. Auch Platten mit davon abweichenden Parametern, insbesondere niederen Dichten sind für den Einsatz geeignet.The base plate material used are HDF, MDF or OSB plates whose thicknesses are in a range of 2 to 20 mm, preferably 5 to 12 mm and have densities of about 880 kg / m 3 +/- 10%. Even plates with different parameters, in particular lower densities are suitable for use.

Die Dekore für die oberen Flächen der Trägerplatten können dabei auf einer Papierlage oder direkt auf die plattenförmige Basis gedruckt vorliegen. Solche Dekore sind beispielsweise Holz- oder Steinimitationen. Auch Fantasiedekore sind möglich. Diese können sich beispielsweise aus Abwandlungen von natürlichen Werkstoffen ergeben.The decors for the upper surfaces of the carrier plates can be printed on a paper layer or directly on the plate-shaped base. Such decors are for example wood or stone imitations. Fantasy decors are also possible. These can result, for example, from modifications of natural materials.

Bei der Herstellung von Laminatfußböden werden zur Erhöhung der Authentizität neben optisch ansprechenden Dekoren zunehmend Strukturen in die Oberfläche eingeprägt. Dies können einfache Poren bei Holzdekoren sein, aber auch aufwendigere Scraped-Strukturen, die zudem dekorsynchron verlaufen. Zunehmend werden auch Stein- oder Marmorfliesen simuliert, bei denen neben der eigentlichen Oberflächenstruktur auch die dekorsynchrone Prägung der Fugenfüllungslinien von Bedeutung ist.In the production of laminate flooring structures are increasingly embossed into the surface to increase the authenticity in addition to visually appealing decors. These can be simple pores in wood decors, but also more elaborate scraped structures, which also run decorsynchronously. Increasingly, stone or marble tiles are being simulated, in which not only the actual surface structure but also the decor-synchronous embossing of the joint filling lines is of importance.

Fußbodenbeläge werden üblicherweise schwimmend verlegt, wobei eine Verbindung der Paneele untereinander in der Verlegeebene, jedoch nicht mit der darunter befindlichen Bodenlage besteht. Durch Begehen erfolgt eine Anregung des Fußbodens. Es werden hörbare Schallwellen erzeugt. Die Schallwellen sind zum einen in dem Raum hörbar, in dem sich der Fußboden befindet, der so genannte Raum- oder Begehschall. Andererseits wird der Schall in angrenzenden, beispielsweise darunter liegenden Räumen als so genannter Trittschall hörbar.Floor coverings are usually laid floating, with a connection of the panels with each other in the laying level, but not with the underlying bottom layer. By walking there is a stimulation of the floor. Audible sound waves are generated. The sound waves are audible in the room in which the floor is located, the so-called room or beech sound. On the other hand, the sound in adjacent, for example, underlying rooms as a so-called impact sound audible.

Zur Verringerung der Schallbelastung sind zwischen der Trägerplatte und der Bodenlage schalldämmende und/oder schalldämpfende Schichten vorgesehen. Als solche Schichten kommen vernetzte PE-Matten mit Dicken von 1,0 mm oder 0,3 bis 3 mm dicke gefüllte Schwerfolien, aber auch geschäumte PE- oder PU-Folien zum Einsatz.In order to reduce the sound load, sound-insulating and / or sound-damping layers are provided between the carrier plate and the bottom layer. As such layers crosslinked PE mats with thicknesses of 1.0 mm or 0.3 to 3 mm thick filled heavy foils, but also foamed PE or PU films are used.

Nachteilig bei diesen Schichten ist, dass derartige Matten nur geringe Veränderungen bei der Wahrnehmung des Schalls besitzen. PE-Matten mit Dicken von 1 mm wie auch geschäumte PE- oder PU-Folien auf harten Bodenbelägen reduzieren die Raumschall-Lautstärke kaum, vielmehr verändern sie nur den Klang. Dabei verschiebt sich der dominierende Frequenzbereich solcher Matten und Folien in höhere Frequenzen und lässt den Boden heller klingen. Harte Bodenbeläge mit Schwerfolien im Dickenbereich von 0,3 bis 3 mm werden ebenfalls nicht leiser. Der dominierende Frequenzbereich liegt jedoch eher im tieferen Frequenzbereich.A disadvantage of these layers is that such mats have little change in the perception of sound. PE mats with thicknesses of 1 mm as well as foamed PE or PU films on hard floor coverings hardly reduce the room sound volume, but rather only change the sound. The dominant frequency range of such mats and foils shifts to higher frequencies and makes the ground sound brighter. Hard floor coverings with heavy foils in the Thickness range of 0.3 to 3 mm are also not quieter. However, the dominant frequency range is more in the lower frequency range.

Der Erfindung liegt die Aufgabe zugrunde, einen Fußbodenbelag zu entwickeln, der einen hohen Grad an Authentizität eines natürlichen Werkstoffes aufweist, eine verbesserte Raum- und/oder Trittschalleigenschaft besitzt und zudem eine warme Haptik aufweist. Der Fußbodenbelag soll sich beim "Barfußgehen" warm anfühlen.The invention has for its object to develop a floor covering which has a high degree of authenticity of a natural material, has an improved room and / or impact noise property and also has a warm feel. The floor covering should feel warm when walking "barefoot".

Erfindungsgemäß wird die Aufgabe durch die Merkmale des Anspruches 1 und des Anspruches 8 gelöst.According to the invention the object is achieved by the features of claim 1 and claim 8.

Erfindungsgemäß weist der Fußbodenbelag von unten nach oben gesehen, den folgenden Schichtaufbau auf. Als unterste Schicht wird eine schalldämmende Schicht, in besonderer Ausgestaltung der Erfindung als balance layer wirkend, auf die Trägerplatte aufgetragen, die ein Verziehen der Paneele, das so genannte Schüsseln, verhindert und in besonderer Ausgestaltung gleichzeitig die Verminderung der Tritt- und/oder Raumschallwirkung ermöglicht. Es werden dafür solche Materialien eingesetzt, die für Schalldämpfungen bekannt sind.According to the invention, the floor covering seen from bottom to top, the following layer structure. As a lowermost layer, a sound-absorbing layer, acting in a particular embodiment of the invention as a balance layer, applied to the support plate, which prevents warping of the panels, the so-called bowls and at the same time allows the reduction of the impact and / or room sound effect , There are used for such materials, which are known for soundproofing.

Die folgende Trägerplatte aus einem Holzwerkstoff, wie Span, Sperrholz, OSB, HDF oder MDF, trägt auf der Oberseite ein Dekor bestehend aus mindestens einer Kunststoffschicht und einem Dekorpapier. In einer besonderen Ausgestaltung weist das Dekorpapier eine Strukturprägung auf. Auf das Dekor wird eine versiegelnde Lackschicht, die oberflächennah abriebfeste Partikel, wie Korund enthalten kann, und wiederum in einer anderen besonderen Ausgestaltung eine weitere Strukturprägung besitzt, aufgetragen.The following carrier plate made of a wood material, such as chip, plywood, OSB, HDF or MDF, carries on the top of a decor consisting of at least one plastic layer and a decorative paper. In a particular embodiment, the decorative paper on a pattern embossing. On the decor is a sealing lacquer layer, which may contain surface near abrasion resistant particles, such as corundum, and in turn has another structure embossing in another particular embodiment applied.

Das auf die Oberfläche der Trägerplatte aufzutragende Dekor besteht aus einem Folienpaket aus wenigstens einer elastischen und thermoplastisch verformbaren Kunststoffschicht und einem Dekorpapier. Das Folienpaket wird durch oberflächiges Ausbringen eines flüssigen Kunststoffes zu einer Schicht mit einer Dicke von 0,2 bis 2,5 mm bei einer Oberflächentemperatur von 130 bis 200 °C und gleichzeitigem Auflegen eines Dekorpapiers auf die Kunststoffschicht und Verbinden beider unter Ausnutzung der in der Kunststoffschicht vorhandenen Wärmeenergie erhalten. Als Kunststoffe kommen EVA, PP, PE, PET, PVC, Acrylate Polyolefine, Polyester und Wachse in Frage. Thermoplastische Polyurethane (TPU) werden jedoch nicht verwendet. Aber auch andere Kunststoffe mit vergleichbaren Eigenschaften sind einsetzbar. Ebenso sind Kombinationen der vorgenannten Kunststoffe einsetzbar. Der zum Einsatz gelangende Kunststoff richtet sich nach den gewünschten Eigenschaften des fertigen Paneels. So sind PVC-Kunststoffe preiswert. EVA-Kunststoffe sind preiswert, elastisch und plastisch, während PP-Kunststoffe elastisch, hart und zäh sind. Acrylat-Kunststoffe sind UV-Licht aushärtend und PET-Kunststoffe sind kostengünstig herstellbar. Wachse weisen plastische Eigenschaften auf.The decor to be applied to the surface of the carrier plate consists of a foil packet of at least one elastic and thermoplastically deformable plastic layer and a decorative paper. The film package is made by surface application of a liquid plastic to a layer having a thickness of 0.2 to 2.5 mm at a surface temperature of 130 to 200 ° C and simultaneously applying a decor paper on the plastic layer and connecting both taking advantage of in the plastic layer obtained existing thermal energy. Suitable plastics are EVA, PP, PE, PET, PVC, acrylates, polyolefins, polyesters and waxes. However, thermoplastic polyurethanes (TPU) are not used. But other plastics with comparable properties can be used. Likewise, combinations of the aforementioned plastics can be used. The plastic used depends on the desired properties of the finished panel. So PVC plastics are cheap. EVA plastics are inexpensive, elastic and plastic, while PP plastics are elastic, hard and tough. Acrylic plastics are UV curing and PET plastics are inexpensive to produce. Waxes have plastic properties.

Die Kunststoffschicht kann auch aus mehreren Schichten aufgebaut sein, wobei nur ein Kunststoff aber auch unterschiedliche Kunststoffe nacheinander übereinander großflächig ausgebracht werden können.The plastic layer may also be composed of several layers, wherein only one plastic but also different plastics can be sequentially superimposed over a large area.

In einer besonderen Ausgestaltung der Erfindung wird das Folienpaket mit einer Strukturprägung, vorzugsweise vor dem Aufbringen auf die Holzfaserplatte, versehen. Das wird durch eine strukturierte Prägewalze erreicht. Alternativ ist die Verwendung eines Strukturpapiers, das zwischen dem Folienpaket und einer glatten Prägewalze mitgeführt wird und wieder verwendbar ist, möglich. Auch hier werden die plastischen Eigenschaften des noch unter Wärme befindlichen Kunststoffs ausgenutzt und die Strukturierung in den kontinuierlichen Verfahrensablauf eingefügt. Die Strukturprägung kann eine Tiefe größer als 100, vorzugsweise 200 bis 400 ym aufweisen. In einer besonderen Ausgestaltung kann die Strukturprägung synchron zum Dekor verlaufend ausgeführt sein.In a particular embodiment of the invention, the film package is provided with a structure embossing, preferably before application to the wood fiber board. This is achieved by a structured embossing roller. Alternatively, it is possible to use a textured paper which is carried between the film pack and a smooth embossing roll and is reusable. Again, the plastic ones Properties of the still under heat plastic used and added the structuring in the continuous process flow. The structure embossing can have a depth greater than 100, preferably 200 to 400, ym. In a particular embodiment, the structure embossing can be executed running synchronously to the decor.

Als Trägerplatte für das Folienpaket sind Platten mit einer Länge von 2.800 bis 5.600 mm und einer Breite von 1000 bis 2200 mm bestens geeignet.As a carrier plate for the foil package plates with a length of 2,800 to 5,600 mm and a width of 1000 to 2200 mm are ideally suited.

Das Folienpaket wird auf die Trägerplatte, beispielsweise unter Verwendung eines wasserlöslichen PU-Klebstoffes aufgebracht. Nach dem Aufbringen des Folienpaketes wird eine das Dekor versiegelnde Lackschicht aufgetragen, wofür beispielsweise strahlenhärtbare Acrylatlacke verwendbar sind. Die Acrylatlacke können durch andere Lacke mit vergleichbaren Eigenschaften ausgetauscht werden.The film package is applied to the carrier plate, for example using a water-soluble PU adhesive. After application of the film package, a decor-sealing lacquer layer is applied, for which, for example, radiation-curable acrylate lacquers can be used. The acrylate coatings can be replaced by other coatings with comparable properties.

Zur Erreichung einer hohen Abriebfestigkeit mit Werten von AC1 bis AC5 in Anlehnung an die Normen EN 13329, EN 15468, EN 14978 und einem übermäßigen Verschleiß vorzubeugen, werden wenigstens in oberflächennahen Bereichen der Lackschicht abriebfeste Partikel, beispielsweise Korundkörner eingebettet.In order to achieve a high abrasion resistance with values of AC1 to AC5 based on the standards EN 13329, EN 15468, EN 14978 and to prevent excessive wear, abrasion-resistant particles, for example corundum grains are embedded at least in near-surface areas of the paint layer.

Ein Verfahren zur Herstellung der erfindungsgemäßen Holzfaserplatte sieht vor, dass auf der Unterseite der Trägerplatte eine schalldämmende Schicht, die auch als balance layer wirken kann, aufgebracht und anschließend auf der Oberseite ein Folienpaket, bestehend aus einer Kunststoffschicht und einem Dekorpapier aufgeklebt wird. In einer besonderen Ausgestaltung kann das Folienpaket bei seiner Herstellung aber auch nach dem Aufbringen auf die Trägerplatte mit einer Strukturierung versehen werden. Auf das Folienpaket wird dann eine Lackschicht als Verschleißschutzschicht aufgetragen.A method for producing the wood fiber board according to the invention provides that on the underside of the support plate, a sound-absorbing layer, which can act as a balance layer, applied and then adhered to the top of a film package consisting of a plastic layer and a decorative paper. In a particular embodiment, the film package can be provided with a structuring during its production but also after application to the carrier plate. On the foil package Then a paint layer is applied as a wear protection layer.

Das Auftragen der Lackschicht kann nach dem Aufkleben des Folienpaketes auf die Holzfaserplatte erfolgen, bevorzugt aber beim Herstellen des Folienpaketes.The application of the lacquer layer can be done after sticking the foil package on the wood fiber board, but preferably in the production of the foil package.

Zur Verbesserung der Abriebfestigkeit können vorzugsweise oberflächennah Korundpartikel oder Partikel mit vergleichbaren Eigenschaften in diese Verschleißschutzschicht eingefügt werden.To improve the abrasion resistance, corundum particles or particles with comparable properties can preferably be incorporated into this wear protection layer near the surface.

Werden derart hergestellte Platten zu Fußbodenpaneelen in dem zum Dekor passenden Format zersägt, werden sie mit Profilausfräsungen für Klickverbindungen versehen. Durch das aufgebrachte Folienpaket auf die Trägerplatte lassen sich tief strukturierte Dekore ausbilden. Gleichzeitig wird durch den verwendeten Kunststoff ein wärmeres, weicheres Begehgefühl erzeugt. Im Zusammenhang mit dem Material für die balance layer wird eine geringere Neigung für die Erzeugung eines Raum- und/oder Trittschalls erreicht.If boards produced in this way are sawed into floor panels in the format suitable for the decoration, they are provided with profile cutouts for click connections. The applied film package on the carrier plate makes it possible to form deeply textured decors. At the same time a warmer, softer Begehgefühl is generated by the plastic used. In connection with the material for the balance layer, a lower tendency for the generation of a room and / or impact sound is achieved.

Beim Herstellen des Folienpaketes, also dem direkten Bedrucken der Kunststoffschicht mit einem Dekor oder dem Auflegen eines bedruckten Papiers und Beschichten mit einem Lack werden die sonst beim Aufbringen der einzelnen Schichten auf die Holzfaserplatte sich aufbauenden Spannungen weitgehend abgebaut.When producing the film package, ie the direct printing of the plastic layer with a decor or the laying of a printed paper and coating with a lacquer which otherwise build up when applying the individual layers on the wood fiber board tensions are largely degraded.

Durch das Folienpaket werden also kaum größere Spannungen in die Trägerplatte eingebracht und damit ein Schüsseln weitgehend vermieden. Eine balance layer ist nicht notwendig. Ebenso lassen sich die Dicken der zum Einsatz gelangenden Trägerplatten minimieren.The film package thus hardly larger voltages are introduced into the carrier plate and thus a bowl largely avoided. A balance layer is not necessary. Likewise, the thicknesses of the carrier plates used can be minimized.

Bei der Auftrennung in Paneele wird eine gute Kantendichtheit gegenüber Wasser erreicht, da sich durch das zum Einsatz gelangende Folienpaket elastische Fügekanten ergeben.When separating into panels, a good edge sealing against water is achieved, since elastic joining edges result from the film package used.

Ein weiterer Vorteil ergibt sich beim Einsatz des Folienpaketes dadurch, dass man den verwendeten Kunststoff mit Zusatzstoffen versehen kann, die der Dekorbeschichtung besondere Eigenschaften, z. B. den Strom ableitend verleihen.Another advantage arises when using the film package in that you can provide the plastic used with additives that the decor coating special properties, eg. B. lend the current.

Claims (15)

Holzwerkstoffplatte, insbesondere für Fußbodenpaneele, bestehend aus einem Span-, Sperrholz-, OSB-, MDF- oder HDF-Holzwerkstoff mit einer Unter- und Oberseite, mit einer Unterseite aus einer schalldämmenden Schicht, die in vorzugsweiser Ausgestaltung als balance layer wirkt, und die Oberseite aus einem Folienpaket, zusammengesetzt aus einer Kunststoffschicht mit einem Dekorpapier oder einem Aufdruck besteht und wobei das Dekor mit einer Verschleißschutzschicht abgedeckt ist,
dadurch gekennzeichnet,
dass die Kunststoffschicht aus mindestens einer elastischen thermoplastisch verformbaren Kunststoffschicht zusammengesetzt ist, wobei thermoplastische Polyurethane ausgenommen sind.Wood-based panel, in particular for floor panels, consisting of a chip, plywood, OSB, MDF or HDF wood material with a bottom and top, with a bottom of a sound-absorbing layer, which acts in a preferred embodiment as a balance layer, and the Top consists of a film package composed of a plastic layer with a decor paper or a print and wherein the decor is covered with a wear protection layer,
characterized,
that the plastic layer is composed of at least one elastic thermoplastic deformable plastic layer, wherein thermoplastic polyurethanes are excluded. Holzwerkstoffplatte nach Anspruch 1, dadurch gekennzeichnet, dass das Folienpaket aus einer 0,2 bis 2,5 mm dicken Kunststoffschicht mit einem auf der der Trägerplatte abgewandten Seite bei Oberflächentemperaturen von 130 bis 200°C aufgelegten Dekorpapier besteht.Wood material board according to claim 1, characterized in that the film package consists of a 0.2 to 2.5 mm thick plastic layer with a side facing away from the carrier plate at surface temperatures of 130 to 200 ° C applied decorative paper. Holzwerkstoffplatte nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Folienpaket mit einer Strukturierung versehen ist.Wood material board according to claim 1 or 2, characterized in that the film package is provided with a structuring. Holzwerkstoffplatte nach mindestens einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Verschleißschutzschicht aus einem härtbaren Lack, vorzugsweise einem strahlenhärtbaren Acrylatlack, besteht.Wood-based panel according to at least one of claims 1 to 3, characterized in that the wear-resistant layer consists of a curable lacquer, preferably a radiation-curable acrylate lacquer. Holzwerkstoffplatte nach mindestens einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Verschleißschutzschicht oberflächennah Mittel enthält, die einem Verschleiß vorbeugen.Wood-based panel according to at least one of claims 1 to 5, characterized in that the wear-resistant layer contains means near the surface, which prevent wear. Holzwerkstoffplatte nach Anspruch 5, dadurch gekennzeichnet, dass die Verschleißschutzschicht Korundkörner enthält.Wood material board according to claim 5, characterized in that the wear protection layer contains corundum grains. Verfahren zur Herstellung einer Holzwerkstoffplatte, insbesondere für Fußbodenpaneele, nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass auf einer Trägerplatte aus Span-, Sperrholz-, OSB-, HDF- oder MDF-Holzwerkstoffen auf der unteren Seite eine schalldämmende Schicht, vorzugsweise eine mit balance layer- Wirkung und auf der oberen Seite ein Folienpaket, das aus wenigstens einer elastischen und thermoplastisch verformbaren Kunststoffschicht, wobei thermoplastische Polyurethane ausgenommen sind, und einem auf einer Seite der Kunststoffschicht aufgelegten Dekorpapier oder Aufdruck besteht, aufgebracht wird und das Folienpaket mit einer Verschleißschutzschicht abgedeckt wird.A process for producing a wood-based panel, in particular for floor panels, according to one of the preceding claims, characterized in that on a support plate made of chipboard, plywood, OSB, HDF or MDF wood materials on the lower side a sound-absorbing layer, preferably one with Balance layer effect and on the upper side of a film package, which consists of at least one elastic and thermoplastically deformable plastic layer, wherein thermoplastic polyurethanes are excluded, and applied to one side of the plastic layer decorative paper or imprint, is applied and covered the film package with a wear protection layer becomes. Verfahren nach Anspruch 7, dadurch gekennzeichnet, dass das Folienpaket mehrere elastisch und thermoplastisch verformbare Kunststoffschichten aus den gleichen oder unterschiedlichen Kunststoffen enthält.A method according to claim 7, characterized in that the film package contains a plurality of elastically and thermoplastically deformable plastic layers of the same or different plastics. Verfahren nach Anspruch 7 und 8, dadurch gekennzeichnet, dass die Kunststoffschicht/en eine Dicke von 0,2 bis 2,5 mm besitzen.A method according to claim 7 and 8, characterized in that the plastic layer (s) have a thickness of 0.2 to 2.5 mm. Verfahren nach mindestens einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, dass die Dekorfolie bei Temperaturen von 130 bis 200°C auf die Kunststoffschicht aufgelegt und verbunden wird.Method according to at least one of claims 7 to 10, characterized in that the decorative film is placed and bonded at temperatures of 130 to 200 ° C on the plastic layer. Verfahren nach mindestens einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, dass das Verbinden der Kunststoffschicht mit dem Dekorpapier unter gleichzeitiger Strukturierung des Folienpaketes erfolgt.Method according to at least one of claims 7 to 10, characterized in that the bonding of the plastic layer with the decorative paper takes place with simultaneous structuring of the film package. Verfahren nach mindestens einem der Ansprüche 7 bis 11, dadurch gekennzeichnet, dass die Verschleißschutzschicht aus einem Lack, vorzugsweise einem durch Strahlen härtbaren Acrylatlack besteht.Method according to at least one of claims 7 to 11, characterized in that the wear protection layer consists of a lacquer, preferably a radiation-curable acrylate lacquer. Verfahren nach mindestens einem der Ansprüche 7 bis 12, dadurch gekennzeichnet, dass in die Verschleißschutzschicht oberflächennah abriebfeste Partikel eingelagert werden.Method according to at least one of claims 7 to 12, characterized in that abrasion-resistant particles are embedded in the wear-resistant layer near the surface. Verfahren nach Anspruch 13, dadurch gekennzeichnet, dass als abriebfeste Partikel Korundkörner eingebettet werden.A method according to claim 13, characterized in that corundum grains are embedded as abrasion-resistant particles. Verfahren nach mindestens einem der Ansprüche 7 bis 14, dadurch gekennzeichnet, dass die Verschleißschutzschicht auf das Folienpaket vor dem Aufbringen des Folienpaketes auf die Holzfaserplatte aufgetragen wird.Method according to at least one of claims 7 to 14, characterized in that the wear protection layer is applied to the film package before applying the film package to the wood fiber board.
EP09161950.2A 2008-06-05 2009-06-04 Composite wood board, especially for floor panels Not-in-force EP2130991B1 (en)

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Also Published As

Publication number Publication date
DE102008027631A1 (en) 2009-12-10
EP2130991B1 (en) 2015-09-30
PL2130991T3 (en) 2016-05-31
EP2130991A3 (en) 2011-06-29
ES2558678T3 (en) 2016-02-08

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