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EP1493879A1 - Floor panel comprising a core consisting of wood-based material - Google Patents

Floor panel comprising a core consisting of wood-based material Download PDF

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Publication number
EP1493879A1
EP1493879A1 EP04015588A EP04015588A EP1493879A1 EP 1493879 A1 EP1493879 A1 EP 1493879A1 EP 04015588 A EP04015588 A EP 04015588A EP 04015588 A EP04015588 A EP 04015588A EP 1493879 A1 EP1493879 A1 EP 1493879A1
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EP
European Patent Office
Prior art keywords
floor panel
panel according
decorative layer
core
cold
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04015588A
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German (de)
French (fr)
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EP1493879B1 (en
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Flooring Technologies Ltd
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Kronotec AG
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/06—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to wood
    • 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
    • E04F15/00—Flooring
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0153—Joining sheets, plates or panels with edges in abutting relationship by rotating the sheets, plates or panels around an axis which is parallel to the abutting edges, possibly combined with a sliding movement
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/02—Non-undercut connections, e.g. tongue and groove connections
    • E04F2201/021—Non-undercut connections, e.g. tongue and groove connections with separate protrusions
    • E04F2201/022—Non-undercut connections, e.g. tongue and groove connections with separate protrusions with tongue or grooves alternating longitudinally along the edge
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/02—Non-undercut connections, e.g. tongue and groove connections
    • E04F2201/028—Non-undercut connections, e.g. tongue and groove connections connected by tongues and grooves with triangular shape
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/03—Undercut connections, e.g. using undercut tongues or grooves
    • 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 floor panel with a core of wood-based material, especially MDF, HDF or OSB, and one applied on top Decorative layer, whereby the edges are profiled on the longitudinal and transverse sides, that interconnected plates in the vertical and horizontal directions to each other are lockable.
  • Such a floor plate is known for example from DE 100 64 587 A1.
  • These are laminate floor panels that are laid floating can be.
  • the panels are centered with an over at their side edges provided the full longitudinal and / or transverse side extending groove. In one of the boundary pages the groove is milled one each in cross-section triangular depression. Two with their side edges adjacent panels form through the Slots a continuous slot closed on all sides, in the connection and Locking elements are used.
  • the decorative layer consists of laminate panels from a printed paper layer covered by a synthetic resin layer is covered.
  • the printed decor is a wood grain or a stone look.
  • the surface is not only a high print quality required, but In many cases reliefs are imprinted in the synthetic resin layer, which make up the to haptically support the optical character of the grain. Such panels can only be used in dry rooms, as the surface is not is waterproof.
  • the initially described floorboard be improved so that they have a high quality, wear-resistant surface and can also be used in damp rooms:
  • a generic floor plate is characterized in that the decorative layer is formed by a cold-ceramic coating and that the coating contains magnesia and ammonium polyphosphate.
  • This coating achieves a very hard and waterproof surface. Both the look and the feel of this surface is completely different as the previous resin coating.
  • the cold-ceramic coating preferably consists essentially of Wood fiber, magnesium oxide and ammonium polyphosphate.
  • a click profile can on a longitudinal and a transverse edge a Spring and at the opposite edges a groove are formed, wherein the spring and the groove are provided with integrated locking means which correspond to each other.
  • the springs and grooves can be worked out of the core.
  • the profiled edges are preferably coated waterproof. It is also possible when laying a silicone gasket or the like insert.
  • Springs and grooves may also be formed on inserts connectable to the core be.
  • the inserts are preferably made of a waterproof Material.
  • the proportion of wood fiber in the decorative layer is preferably between 5 and 50 vol.%, in particular 10 vol.%.
  • the decorative layer is preferably 0.5-4 mm and in particular 2 mm thick.
  • a cold-ceramic coating is also applied to the underside of the panel, this can not only take over the function of the counter-coating otherwise required with laminate panels, but the sound-absorbing and sound-absorbing properties increase significantly, since the density of the cold-ceramic coating is between 1000 and 1500 kg / m 3 , and thus is much higher than the density of the core material.
  • This coating has the property that noise is reduced to the level of floors firmly connected to the ground. Since this training also the bottom of the panel is waterproof, even wet or dampening surfaces are not critical for the floor.
  • an impregnation based on polyurethane applied to the coating is preferably an impregnation based on polyurethane applied to the coating.
  • the hardened coating open pores.
  • the impregnating agent seals the pores. The same effect can be achieved if the decorative layer with a Paint is sealed.
  • the not yet or not completely cured coating can be Relief be embossed, so that, for example, the effect of a broken Surface, as found in natural sandstone, is achievable.
  • the Decorative layer can also be painted, for example, to the look of the decor to intensify. Relief and decor can occur together.
  • the coated Plate with a low pressure of less than 30 bar, in particular 15 bar, applied.
  • a temperature of 55 ° C is already achieved in the production of the evaporation of ammonia.
  • the cold-ceramic coating preferably consists essentially of Wood fiber, magnesium oxide and ammonium polyphosphate.
  • the adhesion of the cold-ceramic coating on the plate is improved if after impregnation with magnesium oxide and ammonium polyphosphate wood fibers sprinkled on the top of the core.
  • the coating can be rolled on the core, sprayed or poured. Is the proportion high enough of wood fiber in the cold-ceramic coating, this may as well be scattered.
  • the panel consists of a core 5 made of a wood material, in particular MDF, HDF or OSB, with a decorative layer applied to its top 1.
  • a core 5 made of a wood material, in particular MDF, HDF or OSB
  • a decorative layer applied to its top 1.
  • On one longitudinal and one transverse side is the panel of Figure 1 with an off the core 5 milled out spring 2 provided.
  • the underside of the spring 2 has a projection 3, the to a bead 7 in the lower lip 6 of the groove 8 corresponds.
  • the projection 3 and the bead 7 form locking means, which is a telescoping two prevent interconnected panels in the transverse direction Q.
  • the spring and the groove take over a locking in the vertical direction V.
  • the decorative layer 1 consists of a mixture of magnesium oxide, ammonium polyphosphate and preferably wood fiber.
  • the wood fibers serve as filler.
  • the coating can also only from magnesium oxide and ammonium polyphosphate consist. But that is quite expensive.
  • other fillers like For example, glass fibers or glass granules can be used. to Impact sound, the layer can further granules and / or metal particles to reduce static charge included. There may be more mineral Components or dyes may be added.
  • the wood fiber content is between 5 and 50% by volume, preferably 10% by volume. The thicker the decorative layer 1 is to be carried out, the more wood fiber is mixed.
  • the visible side of the decorative layer 1 has a stone-identical appearance (granite, marble etc.).
  • the mixture of magnesium oxide, ammonium polyphosphate and wood fiber can also contain dolomite.
  • mineral additives can Glass granules, stone granules, ash, sand or filter dusts are used. ever the finer the ingredients are ground, the more closed-pored the later achievable surface of the decorative layer 1.
  • the dry constituents become too first mixed.
  • Liquid ammonium polyphosphate is then added to the Mixture added and stirred.
  • the chemical reaction is very fast and the liquid mixture may be sprayed onto the core 5 for about 3 to 5 minutes or rolled up.
  • the Borax mixture be added.
  • the borax amount is approximately 1% of the share on magnesium oxide.
  • the coating can be subjected to a slight pressure to a smooth surface to create. Experiments with a pressure of 30 bar have delivered good results. 15 bars are certainly enough.
  • the coating has the advantage that it is waterproof. Because of that Surface of the coating is open-pored, moisture can be at least superficial penetrate, which is not critical for the coating. The moisture causes but that ammonia vapors can outgas. For a certain time can this can be prevented by appropriate admixture of the magnesium oxide. When the coating is exposed to an elevated temperature before it is completely cured, the evaporation of a large proportion of ammonia provoked. Experiments have shown that one Temperature effect of 55 ° C is sufficient. Preferably, the press plate heated, with which the smooth surface of the coating is produced.
  • the decorative layer 1 has a thickness of 0.5 - 4 mm. It is preferably 2 mm thick.
  • an insulating layer 4 is applied, which also from a cold-ceramic coating of magnesium oxide, ammonium polyphosphate and preferably wood fiber.
  • the layer can granules for Impact noise and / or metal particles to reduce the static charge contain. Again, the wood fiber content is between 5 and 50 vol.%, preferably 10%.
  • the insulating layer 4 and the decorative layer 1 can be identical be constructed. The insulating layer 4 assumes the tasks of a counterpart, the bending of the panel as a result of originating from the decorative layer 1 Traction forces prevented.
  • a ceramic coating with the following composition has proven to be well suited: burnt magnesium oxide 33.8% by weight ammonium polyphosphate 28.8% by weight glass granules 25.6% by weight ash 11.8% by weight
  • the mass of wood fibers was due to their low Weight neglected.
  • the wood fiber sprinkled on the surface was the wood fiber sprinkled on the surface.
  • the proportion of ammonium polyphosphate is preferably always lower than the proportion of magnesium oxide. A share of up to 70% has proven useful.
  • the panel shown in FIG. 2 differs from that in FIG. 1 in that the spring 2 and the groove 8 are not milled directly out of the core 5, but on waterproof inserts 9, 10 are formed, for example made of plastic or aluminum and in corresponding recesses of the core 5 are glued.
  • the recesses be designed identically for the inserts 9, 10, so that both the Production (milling of the recesses) as well as the later gluing of the inserts 9, 10 is simplified, because this can be done edges independently.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)
  • Finishing Walls (AREA)
  • Laminated Bodies (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Rod-Shaped Construction Members (AREA)

Abstract

Eine Fußbodenplatte mit einem Kern (5) aus Holzwerkstoff, insbesondere MDF, HDF oder OSB, und einer auf einer Oberseite aufgebrachten Deckschicht (1), wobei die Kanten an den Längs- und Querseiten so profiliert sind, dass miteinander verbundene Platten in vertikaler (V) und horizontaler (Q) Richtung zueinander verriegelbar sind, zeichnet sich dadurch aus, dass die Dekorschicht (1) durch eine kaltkeramische Beschichtung gebildet wird, die Magnesiumoxid und Ammoniumpolyphosphat enthält. <IMAGE>A floorboard having a core (5) of wood-based material, in particular MDF, HDF or OSB, and a covering layer (1) applied on an upper side, the edges being profiled on the longitudinal and transverse sides in such a way that panels connected to one another in vertical (V ) and horizontal (Q) direction can be locked to each other, characterized in that the decorative layer (1) is formed by a cold-ceramic coating containing magnesium oxide and ammonium polyphosphate. <IMAGE>

Description

Die Erfindung betrifft eine Fußbodenplatte mit einem Kern aus Holzwerkstoff, insbesondere MDF, HDF oder OSB, und einer auf einer Oberseite aufgebrachten Dekorschicht, wobei die Kanten an den Längs- und Querseiten so profiliert sind, dass miteinander verbundene Platten in vertikaler und horizontaler Richtung zueinander verriegelbar sind.The invention relates to a floor panel with a core of wood-based material, especially MDF, HDF or OSB, and one applied on top Decorative layer, whereby the edges are profiled on the longitudinal and transverse sides, that interconnected plates in the vertical and horizontal directions to each other are lockable.

Eine solche Fußbodenplatte ist beispielsweise aus der DE 100 64 587 A1 bekannt. Hierbei handelt es sich um Laminat-Bodenpaneele, die schwimmend verlegt werden können. Die Paneele sind an ihren Seitenkanten mittig mit einer über die volle Längs- und/oder Querseite verlaufenden Nut versehen. In einer der Begrenzungsseiten der Nut ist je eine im Querschnitt dreieckförmige Vertiefung eingefräst. Zwei mit ihren Seitenkanten aneinander gelegte Paneele bilden durch die Nuten einen durchgehenden allseits geschlossenen Schlitz, in den Verbindungsund Verriegelungselemente einsetzbar sind. Die Dekorschicht besteht bei Laminat-paneelen aus einer bedruckten Papierlage, die von einer Kunstharzschicht abgedeckt wird. Bei dem gedruckten Dekor handelt es sich beispielsweise um eine Holzmaserung oder um eine Steinoptik. Für ein möglichst natürliches Aussehen der Oberfläche ist nicht nur eine hohe Druckqualität erforderlich, sondern vielfach werden in die Kunstharzschicht auch noch Reliefs eingeprägt, die den optischen Charakter der Maserung haptisch unterstützen sollen. Solche Paneele können nur in trockenen Räumen eingesetzt werden, da die Oberfläche nicht wasserfest ist.Such a floor plate is known for example from DE 100 64 587 A1. These are laminate floor panels that are laid floating can be. The panels are centered with an over at their side edges provided the full longitudinal and / or transverse side extending groove. In one of the boundary pages the groove is milled one each in cross-section triangular depression. Two with their side edges adjacent panels form through the Slots a continuous slot closed on all sides, in the connection and Locking elements are used. The decorative layer consists of laminate panels from a printed paper layer covered by a synthetic resin layer is covered. For example, the printed decor is a wood grain or a stone look. For a natural look The surface is not only a high print quality required, but In many cases reliefs are imprinted in the synthetic resin layer, which make up the to haptically support the optical character of the grain. Such panels can only be used in dry rooms, as the surface is not is waterproof.

Aus der US 6,397,547 ist ein Bodenpaneel bekannt, das an den Seitenkanten mit einer Feder-Nut-Profilierung versehen ist. Feder und Nut sind an Kunststoffeinsätzen ausgebildet, die mit dem Kern aus Holzwerkstoff verklebt werden. An der Feder sind Vorsprünge vorgesehen, die in in der Nut ausgebildete Vertiefungen einrasten können, so dass die Paneele durch Einschnappen (Klickverbindung) miteinander verbindbar sind. Damit die Paneele in Nassräumen eingesetzt werden können, muss die Dekorschicht wasserfest sein. Hierzu wird unter anderem vorgeschlagen, eine Kunststofffolie zu verwenden. Fliesen- oder Steindekor lässt sich optisch, insbesondere aber haptisch mit einer Kunststofffolie nicht sehr gut nachbilden, so dass ein mit diesen Paneelen ausgelegter Fußboden beim Betasten oftmals einen minderwertigen Eindruck macht.From US 6,397,547 a Bodenpaneel is known, which at the side edges provided with a tongue and groove profiling. Spring and groove are on plastic inserts trained, which are glued to the core of wood-based material. At the spring projections are provided which formed in recesses formed in the groove can snap in, so that the panels snap in (click connection) can be connected to each other. So that the panels are used in wet rooms can, the decorative layer must be waterproof. For this purpose, inter alia, it is proposed to use a plastic film. Tile or stone decor leaves optically, but especially tactile with a plastic film is not very good emulate, so that a floor designed with these panels when being touched often makes a substandard impression.

Von dieser Problemstellung ausgehend soll die eingangs beschriebene Fußbodenplatte so verbessert werden, dass sie eine hochwertige, verschleißfeste Oberfläche aufweist und auch in Feuchträumen eingesetzt werden kann:Starting from this problem, the initially described floorboard be improved so that they have a high quality, wear-resistant surface and can also be used in damp rooms:

Zur Problemlösung zeichnet sich eine gattungsgemäße Fußbodenplatte dadurch aus, dass die Dekorschicht durch eine kaltkeramische Beschichtung gebildet wird und dass die Beschichtung Magnesiumoxid und Ammoniumpolyphosphat enthält.To solve the problem, a generic floor plate is characterized in that the decorative layer is formed by a cold-ceramic coating and that the coating contains magnesia and ammonium polyphosphate.

Durch diese Beschichtung wird eine sehr harte und wasserfeste Oberfläche erreicht. Sowohl die Optik als auch die Haptik dieser Oberfläche ist eine völlig andere als die bisheriger Kunstharzbeschichtung. This coating achieves a very hard and waterproof surface. Both the look and the feel of this surface is completely different as the previous resin coating.

Die kaltkeramische Beschichtung besteht vorzugsweise im Wesentlichen aus Holzfaser, Magnesiumoxid und Ammoniumpolyphosphat.The cold-ceramic coating preferably consists essentially of Wood fiber, magnesium oxide and ammonium polyphosphate.

Durch weitere mineralische Zusätze (Glasgranulat, Steingranulat, Asche, Sand oder Filterstäube) und/oder Farbstoffe können individuelle Dekore und Oberflächen (Marmor, Granit, Terrakotta, Keramik usw.) erzeugt werden, so dass die Paneele im gesamten Wohnbereich vielfältig einsetzbar sind. Dadurch, dass die Paneele schwimmend und leimlos verlegbar sind, können sie auch von Heimwerkern problemlos verarbeitet werden.By additional mineral additives (glass granules, stone granules, ash, sand or filter dusts) and / or dyes can be individual decors and surfaces (Marble, granite, terracotta, ceramics, etc.) are produced so that the Panels are versatile in the entire living area. Because of that Floating and non-glued panels, they can also be used by do-it-yourselfers processed easily.

Zur Ausbildung eines Klickprofils kann an einer Längs- und einer Querkante eine Feder und an den gegenüberliegenden Kanten eine Nut ausgebildet werden, wobei die Feder und die Nut mit integrierten Verriegelungsmitteln versehen sind, die zueinander korrespondieren.To form a click profile can on a longitudinal and a transverse edge a Spring and at the opposite edges a groove are formed, wherein the spring and the groove are provided with integrated locking means which correspond to each other.

Die Federn und Nuten können aus dem Kern herausgearbeitet sein. Um zu verhindern, dass die verlegten Paneele durch an den Stoßfugen eindringende Feuchtigkeit aufquellen, sind die profilierten Kanten vorzugsweise wasserfest beschichtet. Es ist auch möglich, beim Verlegen eine Silikondichtung oder dergleichen einzufügen.The springs and grooves can be worked out of the core. To prevent, that the laid panels by penetrating at the joints moisture swell, the profiled edges are preferably coated waterproof. It is also possible when laying a silicone gasket or the like insert.

Federn und Nuten können auch an mit dem Kern verbindbaren Einsätzen ausgebildet sein. In diesem Fall sind die Einsätze vorzugsweise aus einem wasserfesten Material.Springs and grooves may also be formed on inserts connectable to the core be. In this case, the inserts are preferably made of a waterproof Material.

Der Anteil an Holzfaser in der Dekorschicht beträgt vorzugsweise zwischen 5 und 50 Vol.%, insbesondere 10 Vol.%.The proportion of wood fiber in the decorative layer is preferably between 5 and 50 vol.%, in particular 10 vol.%.

Die Dekorschicht ist vorzugsweise 0,5 - 4 mm und insbesondere 2 mm dick. The decorative layer is preferably 0.5-4 mm and in particular 2 mm thick.

Wenn auch auf der Plattenunterseite eine kaltkeramische Beschichtung aufgebracht ist, kann diese nicht nur die Funktion des sonst bei Laminat-Paneelen notwendigen Gegenzugs übernehmen, sondern die Schalldämm- und Schallschluckeigenschaften erhöhen sich deutlich, da die Dichte der kaltkeramischen Beschichtung zwischen 1000 und 1500 kg/m3 beträgt und damit wesentlich höher ist als die Dichte des Kernmaterials. Diese Beschichtung hat die Eigenschaft, dass Gehgeräusche auf das Niveau von fest mit dem Untergrund verbundenen Fußböden reduziert wird. Da bei dieser Ausbildung außerdem auch die Unterseite des Paneels wasserfest ist, sind auch feuchte oder feucht werdende Untergründe für den Fußboden unkritisch.If a cold-ceramic coating is also applied to the underside of the panel, this can not only take over the function of the counter-coating otherwise required with laminate panels, but the sound-absorbing and sound-absorbing properties increase significantly, since the density of the cold-ceramic coating is between 1000 and 1500 kg / m 3 , and thus is much higher than the density of the core material. This coating has the property that noise is reduced to the level of floors firmly connected to the ground. Since this training also the bottom of the panel is waterproof, even wet or dampening surfaces are not critical for the floor.

Um zu verhindern, dass aus der Beschichtung Ammoniak ausfoggt, wenn die Platte einer erhöhten Luftfeuchtigkeit ausgesetzt ist oder mit Wasser in Berührung kommt, wird vorzugsweise eine Imprägnierung auf der Basis von Polyurethan auf die Beschichtung aufgebracht. In Abhängigkeit von der Größe der verwendeten Holzfaser bzw. der Korngröße der mineralischen Zusätze ist die ausgehärtete Beschichtung offenporig. Das Imprägniermittel verschließt die Poren. Dieselbe Wirkung kann erreicht werden, wenn die Dekorschicht mit einem Lack versiegelt wird.To prevent the coating from fumigating ammonia when the Plate is exposed to increased humidity or is in contact with water is preferably an impregnation based on polyurethane applied to the coating. Depending on the size of the used wood fiber or the grain size of the mineral additives is the hardened coating open pores. The impregnating agent seals the pores. The same effect can be achieved if the decorative layer with a Paint is sealed.

In die noch nicht oder noch nicht vollständig ausgehärtete Beschichtung kann ein Relief eingeprägt werden, so dass beispielsweise die Wirkung einer gebrochenen Oberfläche, wie sie bei natürlichem Sandstein gefunden wird, erreichbar ist. Die Dekorschicht kann beispielsweise auch lackiert werden, um die Optik des Dekors zu intensivieren. Relief und Dekor können zusammen vorkommen.In the not yet or not completely cured coating can be Relief be embossed, so that, for example, the effect of a broken Surface, as found in natural sandstone, is achievable. The Decorative layer can also be painted, for example, to the look of the decor to intensify. Relief and decor can occur together.

Um die Oberfläche der kaltkeramischen Beschichtung zu glätten, wird die beschichtete Platte mit einem geringen Druck von weniger als 30 bar, insbesondere 15 bar, beaufschlagt. Wenn gleichzeitig eine Temperatur von 55 °C angelegt wird, wird schon bei der Herstellung das Ausdampfen von Ammoniak erreicht. To smooth the surface of the cold-ceramic coating, the coated Plate with a low pressure of less than 30 bar, in particular 15 bar, applied. When simultaneously applied a temperature of 55 ° C is already achieved in the production of the evaporation of ammonia.

Eine Platte mit einem Kern aus Holzwerkstoff, insbesondere MDF, HDF oder OSB, zur Verwendung als Ausgangsmaterial für eine vorstehend beschriebene Fußbodenplatte, kann durch folgende Schritte veredelt werden:

  • a) Aufrauen der Oberseite des Kerns, bis die Fasern des Holzwerkstoffs hochstehen,
  • b) Tränken der Oberseite des Kerns mit einem Gemisch aus reinem Magnesiumoxid und Ammoniumpolyphosphat,
  • c) Aufbringen einer kaltkeramischen Beschichtung, die Magnesiumoxid und Ammoniumpolyphosphat enthält, als Dekorschicht.
    • A board having a core of wood-based material, in particular MDF, HDF or OSB, for use as a starting material for a floor panel described above, can be finished by the following steps:
  • a) roughening the top of the core until the fibers of the wood material are upright,
  • b) impregnating the top of the core with a mixture of pure magnesium oxide and ammonium polyphosphate,
  • c) applying a cold-ceramic coating containing magnesium oxide and ammonium polyphosphate, as a decorative layer.

    • Die kaltkeramische Beschichtung besteht vorzugsweise im Wesentlichen aus Holzfaser, Magnesiumoxid und Ammoniumpolyphosphat.The cold-ceramic coating preferably consists essentially of Wood fiber, magnesium oxide and ammonium polyphosphate.

    Die Haftung der kaltkeramischen Beschichtung auf der Platte wird verbessert, wenn nach dem Tränken mit Magnesiumoxid und Ammoniumpolyphosphat Holzfasern auf die Oberseite des Kerns aufgestreut werden. Die Beschichtung kann auf den Kern aufgewalzt, aufgesprüht oder aufgegossen werden. Ist der Anteil an Holzfaser in der kaltkeramischen Beschichtung hoch genug, kann diese auch aufgestreut werden.The adhesion of the cold-ceramic coating on the plate is improved if after impregnation with magnesium oxide and ammonium polyphosphate wood fibers sprinkled on the top of the core. The coating can be rolled on the core, sprayed or poured. Is the proportion high enough of wood fiber in the cold-ceramic coating, this may as well be scattered.

    Je dicker die kaltkeramische Beschichtung ausgeführt werden soll, um so höher wird der Anteil an Holzfasern gewählt. The thicker the cold-ceramic coating should be, the higher the proportion of wood fibers is chosen.

    Mit Hilfe einer Zeichnung sollen Ausführungsbeispiele der Erfindung nachfolgend näher erläutert werden. Es zeigt:

    Figur 1
    ein Fußbodenpaneel im Querschnitt nach einer ersten Ausführungsform;
    Figur 2
    ein Fußbodenpaneel im Querschnitt nach einer zweiten Ausführungsform.
    With the help of a drawing, embodiments of the invention will be explained in more detail below. It shows:
    FIG. 1
    a floor panel in cross-section according to a first embodiment;
    FIG. 2
    a floor panel in cross-section according to a second embodiment.

    Das Paneel besteht aus einem Kern 5 aus einem Holzwerkstoff, insbesondere MDF, HDF oder OSB, mit einer auf seiner Oberseite aufgebrachten Dekorschicht 1. An einer Längs- und einer Querseite ist das Paneel nach Figur 1 mit einer aus dem Kern 5 herausgefrästen Feder 2 versehen. An den gegenüberliegenden Längs- und Querseiten ist aus dem Kern 5 eine zur Feder 2 korrespondierende Nut 8 herausgefräst. Die Unterseite der Feder 2 weist einen Vorsprung 3 auf, der zu einer Sicke 7 in der Unterlippe 6 der Nut 8 korrespondiert. Der Vorsprung 3 und die Sicke 7 bilden Verriegelungsmittel, die ein Auseinanderschieben zweier miteinander verbundener Paneele in Querrichtung Q verhindern. Die Feder und die Nut übernehmen eine Verriegelung in vertikaler Richtung V.The panel consists of a core 5 made of a wood material, in particular MDF, HDF or OSB, with a decorative layer applied to its top 1. On one longitudinal and one transverse side is the panel of Figure 1 with an off the core 5 milled out spring 2 provided. At the opposite Longitudinal and transverse sides of the core 5 is a corresponding to the spring 2 Grooved groove 8. The underside of the spring 2 has a projection 3, the to a bead 7 in the lower lip 6 of the groove 8 corresponds. The projection 3 and the bead 7 form locking means, which is a telescoping two prevent interconnected panels in the transverse direction Q. The spring and the groove take over a locking in the vertical direction V.

    Die Dekorschicht 1 besteht aus einem Gemisch aus Magnesiumoxid, Ammoniumpolyphosphat und vorzugsweise Holzfaser. Die Holzfasern dienen als Füllmittel. Die Beschichtung kann auch nur aus Magnesiumoxid und Ammoniumpolyphosphat bestehen. Die ist aber dann recht teuer. Auch andere Füllmittel, wie beispielsweise Glasfasern oder Glasgranulat, können verwendet werden. Zur Trittschallbrechung kann die Schicht weiteres Granulat und/oder Metallpartikel zur Reduktion statischer Aufladung enthalten. Es können weitere mineralische Komponenten oder Farbstoffe zugesetzt sein. Der Holzfaseranteil beträgt zwischen 5 und 50 Volumenprozent, vorzugsweise 10 Vol.%. Je dicker die Dekorschicht 1 ausgeführt werden soll, um so mehr Holzfaser wird zugemischt. Die Sichtseite der Dekorschicht 1 hat ein steinidentisches Aussehen (Granit, Marmor usw.).The decorative layer 1 consists of a mixture of magnesium oxide, ammonium polyphosphate and preferably wood fiber. The wood fibers serve as filler. The coating can also only from magnesium oxide and ammonium polyphosphate consist. But that is quite expensive. Also other fillers, like For example, glass fibers or glass granules can be used. to Impact sound, the layer can further granules and / or metal particles to reduce static charge included. There may be more mineral Components or dyes may be added. The wood fiber content is between 5 and 50% by volume, preferably 10% by volume. The thicker the decorative layer 1 is to be carried out, the more wood fiber is mixed. The The visible side of the decorative layer 1 has a stone-identical appearance (granite, marble etc.).

    Das Gemisch aus Magnesiumoxid, Ammoniumpolyphosphat und Holzfaser kann außerdem auch Dolomit enthalten. Als weitere mineralische Zusätze können Glasgranulat, Steingranulat, Asche, Sand oder Filterstäube eingesetzt werden. Je feiner die Bestandteile gemahlen sind, um so geschlossenporiger ist die später erzielbare Oberfläche der Dekorschicht 1. Die trockenen Bestandteile werden zu erst gemischt. Flüssiges Ammoniumpolyphosphat wird anschließend zu dem Gemisch zugegeben und verrührt. Die chemische Reaktion ist sehr schnell und das flüssige Gemisch kann für zirka 3 bis 5 Minuten lang auf den Kern 5 aufgesprüht oder aufgewalzt werden. Um die Reaktion zu verlangsamen, kann dem Gemisch Borax zugegeben werden. Der Boraxanteil beträgt cirka 1 % des Anteils an Magnesiumoxid. Bevor das Gemisch vollständig ausgehärtet ist, kann die Beschichtung mit einem geringen Druck beaufschlagt werden, um eine glatte Oberfläche zu erzeugen. Versuche mit einer Druckbeaufschlagung von 30 bar haben gute Ergebnisse geliefert. 15 bar reichen sicherlich auch aus.The mixture of magnesium oxide, ammonium polyphosphate and wood fiber can also contain dolomite. As further mineral additives can Glass granules, stone granules, ash, sand or filter dusts are used. ever the finer the ingredients are ground, the more closed-pored the later achievable surface of the decorative layer 1. The dry constituents become too first mixed. Liquid ammonium polyphosphate is then added to the Mixture added and stirred. The chemical reaction is very fast and the liquid mixture may be sprayed onto the core 5 for about 3 to 5 minutes or rolled up. To slow down the reaction, the Borax mixture be added. The borax amount is approximately 1% of the share on magnesium oxide. Before the mixture is fully cured, the coating can be subjected to a slight pressure to a smooth surface to create. Experiments with a pressure of 30 bar have delivered good results. 15 bars are certainly enough.

    Je dicker die Beschichtung gewählt wird, um so mehr Füllmittel, insbesondere Holzfasern und/oder Granulat, werden mit dem Magnesiumoxid und dem Ammoniumpolyphosphat vermischt. Ist der Anteil an der Füllmittel groß genug, kann die Beschichtung auf die Plattenoberseite auch aufgestreut werden.The thicker the coating is chosen, the more filler, in particular Wood fibers and / or granules are mixed with the magnesium oxide and the ammonium polyphosphate mixed. If the proportion of the filler is large enough, can the coating on the top of the plate also be sprinkled.

    Die Beschichtung hat den Vorteil, dass sie wasserdicht ist. Dadurch, dass die Oberfläche der Beschichtung offenporig ist, kann Feuchtigkeit zumindest oberflächig eindringen, was für die Beschichtung unkritisch ist. Die Feuchtigkeit bewirkt aber, dass Ammoniakdämpfe ausgasen können. Für eine bestimmte Zeit kann dies durch entsprechende Zumischung des Magnesiumoxids verhindert werden. Wenn die Beschichtung einer erhöhten Temperatur ausgesetzt wird, bevor sie vollständig ausgehärtet ist, wird bereits bei der Herstellung das Ausdampfen eines großen Anteils Ammoniak provoziert. Versuche haben gezeigt, dass eine Temperatureinwirkung von 55 °C ausreichend ist. Vorzugsweise wird das Pressblech erhitzt, mit dem die glatte Oberfläche der Beschichtung erzeugt wird.The coating has the advantage that it is waterproof. Because of that Surface of the coating is open-pored, moisture can be at least superficial penetrate, which is not critical for the coating. The moisture causes but that ammonia vapors can outgas. For a certain time can this can be prevented by appropriate admixture of the magnesium oxide. When the coating is exposed to an elevated temperature before it is completely cured, the evaporation of a large proportion of ammonia provoked. Experiments have shown that one Temperature effect of 55 ° C is sufficient. Preferably, the press plate heated, with which the smooth surface of the coating is produced.

    Die Dekorschicht 1 hat eine Dicke von 0,5 - 4 mm. Vorzugsweise ist sie 2 mm dick.The decorative layer 1 has a thickness of 0.5 - 4 mm. It is preferably 2 mm thick.

    Auf die Unterseite des Paneels ist eine Dämmschicht 4 aufgebracht, die ebenfalls aus einer kaltkeramischen Beschichtung aus Magnesiumoxid, Ammoniumpolyphosphat und vorzugsweise Holzfaser besteht. Die Schicht kann Granulat zur Trittschallbrechung und/oder Metallpartikel zur Reduktion der statischen Aufladung enthalten. Auch hier beträgt der Holzfaseranteil zwischen 5 und 50 Vol.%, vorzugsweise 10 %. Die Dämmschicht 4 und die Dekorschicht 1 können identisch aufgebaut sein. Die Dämmschicht 4 übernimmt die Aufgaben eines Gegenzugs, der ein Verbiegen des Paneels in Folge der von der Dekorschicht 1 herrührenden Zugkräfte verhindert.On the underside of the panel an insulating layer 4 is applied, which also from a cold-ceramic coating of magnesium oxide, ammonium polyphosphate and preferably wood fiber. The layer can granules for Impact noise and / or metal particles to reduce the static charge contain. Again, the wood fiber content is between 5 and 50 vol.%, preferably 10%. The insulating layer 4 and the decorative layer 1 can be identical be constructed. The insulating layer 4 assumes the tasks of a counterpart, the bending of the panel as a result of originating from the decorative layer 1 Traction forces prevented.

    Um die Haftung der Dekorschicht 1 auf der Oberseite des Kerns 5 zu erhöhen, wird die Oberseite so weit aufgeraut, bis die Fasern aufstehen. Dann werden Magnesiumoxid und Ammoniumpolyphosphat in Reinform vermischt und die Platte damit getränkt, bevor die Beschichtung aufgewalzt, aufgesprüht, aufgegossen oder aufgestreut wird. Beim Verpressen der Dekorschicht 1 mit dem Kern 5 kann gleichzeitig ein Relief in die Beschichtung eingeprägt werden.In order to increase the adhesion of the decorative layer 1 on the upper side of the core 5, roughen the top until the fibers stand up. Then be Magnesium oxide and ammonium polyphosphate mixed in pure form and the plate soaked before the coating rolled on, sprayed on, poured or scattered. When pressing the decorative layer 1 with the core 5 can at the same time a relief is embossed into the coating.

    Eine keramische Beschichtung mit folgender Zusammensetzung hat sich als gut geeignet erwiesen: gebranntes Magnesiumoxid 33,8 Gew.% Ammoniumpolyphosphat 28,8 Gew.% Glasgranulat 25,6 Gew.% Asche 11,8 Gew. % A ceramic coating with the following composition has proven to be well suited: burnt magnesium oxide 33.8% by weight ammonium polyphosphate 28.8% by weight glass granules 25.6% by weight ash 11.8% by weight

    Ein ebenfalls gutes Verhalten zeigte folgende Zusammensetzung für die keramische Beschichtung: gebranntes Magnesiumoxid 32,7 Gew.% Ammoniumpolyphosphat 28,1 Gew.% mineralische Füllstoffe (Asche, Glasgranulat, Vermiculit, Dolomit) 39,2 Gew.% Farbstoff < 0,006 Gew. % An equally good behavior showed the following composition for the ceramic coating: burnt magnesium oxide 32.7% by weight ammonium polyphosphate 28.1% by weight mineral fillers (ash, glass granules, vermiculite, dolomite) 39.2% by weight dye <0.006% by weight

    Bei dieser Zusammensetzung wurde die Masse der Holzfasern aufgrund ihres geringen Gewichtes vernachlässigt. Beim Beschichten der Platte wurde die Holzfaser auf die Oberfläche aufgestreut. Der Anteil von Ammoniumpolyphosphat ist vorzugsweise immer niedriger als der Anteil an Magnesiumoxid. Ein Anteil von bis hin zu 70 % hat sich als brauchbar erwiesen.In this composition, the mass of wood fibers was due to their low Weight neglected. When coating the plate was the wood fiber sprinkled on the surface. The proportion of ammonium polyphosphate is preferably always lower than the proportion of magnesium oxide. A share of up to 70% has proven useful.

    Das in Figur 2 dargestellt Paneel unterscheidet sich von dem in Figur 1 dadurch, dass die Feder 2 und die Nut 8 nicht direkt aus dem Kern 5 herausgefräst sind, sondern an wasserfesten Einsätzen 9, 10 ausgebildet sind, die beispielsweise aus Kunststoff oder Aluminium bestehen und in entsprechende Ausnehmungen des Kerns 5 eingeklebt sind. Anders als in Figur 2 dargestellt, können die Ausnehmungen für die Einsätze 9, 10 identisch ausgebildet sein, so dass sowohl die Fertigung (Fräsen der Ausnehmungen) als auch das spätere Einkleben der Einsätze 9, 10 vereinfacht wird, weil dies Kanten unabhängig erfolgen kann. The panel shown in FIG. 2 differs from that in FIG. 1 in that the spring 2 and the groove 8 are not milled directly out of the core 5, but on waterproof inserts 9, 10 are formed, for example made of plastic or aluminum and in corresponding recesses of the core 5 are glued. Unlike shown in Figure 2, the recesses be designed identically for the inserts 9, 10, so that both the Production (milling of the recesses) as well as the later gluing of the inserts 9, 10 is simplified, because this can be done edges independently.

    BezugszeichenlisteLIST OF REFERENCE NUMBERS

    11
    Dekorschichtdecorative layer
    22
    Federfeather
    33
    Vorsprunghead Start
    44
    Dämmschicht/GegenzugInsulation layer / return
    55
    Kerncore
    66
    Unterlippebottom lip
    77
    SickeBeading
    88th
    Nutgroove
    99
    Einsatzcommitment
    1010
    Einsatzcommitment
    QQ
    Querrichtung, horizontale RichtungTransverse direction, horizontal direction
    VV
    vertikale Richtungvertical direction

    Claims (29)

    Fußbodenplatte mit einem Kern (5) aus Holzwerkstoff, insbesondere MDF, HDF oder OSB, und einer auf einer Oberseite aufgebrachten Dekorschicht (1), wobei die Kanten an den Längs- und Querseiten so profiliert sind, dass miteinander verbundene Platten in vertikaler (V) und horizontaler (Q) Richtung zueinander verriegelbar sind, dadurch gekennzeichnet, dass die Dekorschicht (1) durch eine kaltkeramische Beschichtung gebildet wird, die Magnesiumoxid und Ammoniumpolyphosphat enthält.Floor panel having a core (5) of wood-based material, in particular MDF, HDF or OSB, and a decorative layer (1) applied on an upper side, the edges being profiled on the longitudinal and transverse sides in such a way that interconnected panels are vertically (V) and horizontal (Q) directions are lockable to each other, characterized in that the decorative layer (1) is formed by a cold-ceramic coating containing magnesium oxide and ammonium polyphosphate. Fußbodenplatte nach Anspruch 1, dadurch gekennzeichnet, dass die Beschichtung im Wesentlichen aus Holzfaser, Magnesiumoxid und Ammoniumpolyphosphat besteht.Floorboard according to claim 1, characterized in that the coating consists essentially of wood fiber, magnesium oxide and ammonium polyphosphate. Fußbodenplatte nach Anspruch 2, dadurch gekennzeichnet, dass der Anteil an Holzfaser zwischen 5 und 50 Vol.%, insbesondere 10 Vol. % beträgt. Floorboard according to claim 2, characterized in that the proportion of wood fiber between 5 and 50 vol.%, In particular 10 vol.% Is. Fußbodenplatte nach Anspruch 2, dadurch gekennzeichnet, dass die Dekorschicht (1) 0,5 - 4 mm dick ist.Floor panel according to claim 2, characterized in that the decorative layer (1) is 0.5 - 4 mm thick. Fußbodenplatte nach Anspruch 4, dadurch gekennzeichnet, dass die Dekorschicht (1) 2 mm dick ist.Floor panel according to claim 4, characterized in that the decorative layer (1) is 2 mm thick. Fußbodenplatte nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, dass auf der Plattenunterseite eine kaltkeramische Beschichtung (4) aufgebracht ist, die Magnesiumoxid und Ammoniumpolyphosphat enthält.Floor plate according to one or more of the preceding claims, characterized in that on the underside of the plate, a cold-ceramic coating (4) is applied, which contains magnesium oxide and ammonium polyphosphate. Fußbodenplatte nach Anspruch 6, dadurch gekennzeichnet, dass die kaltkeramische Beschichtung (4) im Wesentlichen aus Holzfaser, Magnesiumoxid und Ammoniumpolyphosphat besteht.Floor panel according to claim 6, characterized in that the cold-ceramic coating (4) consists essentially of wood fiber, magnesium oxide and ammonium polyphosphate. Fußbodenplatte nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass die Dekorschicht (1) und die Beschichtung (4) an der Plattenunterseite identisch aufgebaut sind.Floor panel according to claim 6 or 7, characterized in that the decorative layer (1) and the coating (4) are constructed identically to the underside of the plate. Fußbodenplatte nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die kaltkeramische Beschichtung (1, 4) Farbstoffe enthält.Floor panel according to claim 1 or 2, characterized in that the cold-ceramic coating (1, 4) contains dyes. Fußbodenplatte nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der kaltkeramischen Beschichtung (1, 4) weitere mineralische Komponenten zugesetzt sind.Floor panel according to claim 1 or 2, characterized in that the cold-ceramic coating (1, 4) further mineral components are added. Fußbodenplatte nach Anspruch 1, dadurch gekennzeichnet, dass an einer Längs- und einer Querkante eine Feder (2) und an den gegenüberliegenden Kanten eine Nut (8) ausgebildet ist, und dass die Federn (2) und Nuten (8) mit integrierten Verriegelungsmitteln (3, 7) versehen sind. Floor panel according to claim 1, characterized in that a spring (2) is formed on one longitudinal and one transverse edge and a groove (8) is formed on the opposite edges, and in that the springs (2) and grooves (8) are provided with integrated locking means ( 3, 7) are provided. Fußbodenplatte nach Anspruch 11, dadurch gekennzeichnet, dass Federn (2) und Nuten (8) aus dem Kern (5) herausgearbeitet sind.Floor panel according to claim 11, characterized in that springs (2) and grooves (8) are machined out of the core (5). Fußbodenplatte nach Anspruch 12, dadurch gekennzeichnet, dass Federn (2) und Nuten (8) an mit dem Kern (5) verbindbaren Einsätzen (9, 10) ausgebildet sind.Floor panel according to claim 12, characterized in that springs (2) and grooves (8) can be connected to inserts (9, 10) connectable to the core (5). Fußbodenplatte nach Anspruch 13, dadurch gekennzeichnet, dass die Einsätze (9, 10) mit dem Kern (5) verklebt sind.Floor panel according to claim 13, characterized in that the inserts (9, 10) are glued to the core (5). Fußbodenplatte nach Anspruch 6, dadurch gekennzeichnet, dass die Dichte der Beschichtung (4) an der Plattenunterseite 1000 - 1500 kg/m3 beträgt.Floor panel according to claim 6, characterized in that the density of the coating (4) on the underside of the plate is 1000 - 1500 kg / m 3 . Fußbodenplatte nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Dekorschicht (1) versiegelt oder imprägniert ist.Floor panel according to one or more of the preceding claims, characterized in that the decorative layer (1) is sealed or impregnated. Fußbodenplatte nach Anspruch 16, dadurch gekennzeichnet, dass die Versiegelung mittels eines Klarlackes erfolgt.Floor panel according to claim 16, characterized in that the sealing takes place by means of a clearcoat. Fußbodenplatte nach Anspruch 16, dadurch gekennzeichnet, dass zur Verhinderung des Ausfoggens von Ammoniakdämpfen die Dekorschicht (1) mit einer Imprägnierung auf PU-Basis versehen ist.Floor panel according to claim 16, characterized in that to prevent the Ausfoggens of ammonia vapors, the decorative layer (1) is provided with a PU-based impregnation. Verfahren zum Veredeln einer Platte mit einem Kern (5) aus Holzwerkstoff, insbesondere MDF, HDF oder OSB, zur Verwendung als Ausgangsmaterial für eine Fußbodenplatte nach einem oder mehreren der vorstehenden Ansprüche, gekennzeichnet durch folgende Schritte: a) Aufrauen der Oberseite des Kerns (5), bis die Fasern des Holzwerkstoffs hochstehen, b) Tränken der Oberseite des Kerns (5) mit einem Gemisch aus reinem Magnesiumoxid und Ammoniumpolyphosphat, c) Aufbringen einer kaltkeramischen Beschichtung, die Magnesiumoxid und Ammoniumpolyphosphat enthält, als Dekorschicht (1). Process for refining a panel having a core (5) of wood-based material, in particular MDF, HDF or OSB, for use as a starting material for a floor panel according to one or more of the preceding claims, characterized by the following steps: a) roughening the top of the core (5) until the fibers of the wood material are upright, b) impregnating the top of the core (5) with a mixture of pure magnesium oxide and ammonium polyphosphate, c) applying a cold-ceramic coating containing magnesium oxide and ammonium polyphosphate, as a decorative layer (1). Verfahren nach Anspruch 19, dadurch gekennzeichnet, dass nach dem Tränken mit einem Gemisch aus reinem Magnesiumoxid und Ammoniumpolyphosphat Holzfasern auf die Oberseite des Kerns (5) aufgestreut werden.A method according to claim 19, characterized in that after impregnation with a mixture of pure magnesium oxide and ammonium polyphosphate wood fibers are sprinkled on the top of the core (5). Verfahren nach Anspruch 19, gekennzeichnet durch das Aufbringen einer im Wesentlichen aus Holzfaser, Magnesiumoxid und Ammoniumpolyphosphat bestehenden kaltkeramischen Beschichtung als Dekorschicht (1).A method according to claim 19, characterized by applying a cold-ceramic coating consisting essentially of wood fiber, magnesium oxide and ammonium polyphosphate as decorative layer (1). Verfahren nach Anspruch 21, dadurch gekennzeichnet, dass die kaltkeramische Beschichtung auf die Oberseite des Kerns (5) aufgestreut wird.A method according to claim 21, characterized in that the cold-ceramic coating is sprinkled on top of the core (5). Verfahren nach einem der Ansprüche 19 bis 22, gekennzeichnet durch das Einprägen eines Reliefs in die noch nicht oder noch nicht vollständig ausgehärtete Beschichtung.Method according to one of claims 19 to 22, characterized by the embossing of a relief in the not yet or not completely cured coating. Verfahren nach einem der Ansprüche 19 bis 23, dadurch gekennzeichnet, dass auf die Dekorschicht (1) eine Lackschicht aufgebracht wird.Method according to one of claims 19 to 23, characterized in that on the decorative layer (1) a lacquer layer is applied. Verfahren nach einem der Ansprüche 19 bis 23, gekennzeichnet durch das Aufbringen einer Imprägnierung auf PU-Basis zum Verhindern des Ausfoggens von Ammoniakdämpfen.Method according to one of claims 19 to 23, characterized by the application of a PU-based impregnation for preventing the Ausfoggens of ammonia vapors. Verfahren nach einem oder mehreren der Ansprüche 19 bis 23, dadurch gekennzeichnet, dass die kaltkeramische Beschichtung durch Druck- oder Temperatureinwirkung verfestigt wird. Method according to one or more of claims 19 to 23, characterized in that the cold-ceramic coating is solidified by pressure or temperature action. Verfahren nach Anspruch 26, dadurch gekennzeichnet, dass die Temperatur in etwa 55 °C beträgt.A method according to claim 26, characterized in that the temperature is about 55 ° C. Verfahren nach Anspruch 26, dadurch gekennzeichnet, dass der Druck kleiner als 30 bar ist.A method according to claim 26, characterized in that the pressure is less than 30 bar. Verfahren nach Anspruch 28, dadurch gekennzeichnet, dass der Druck 15 bar beträgt.A method according to claim 28, characterized in that the pressure is 15 bar.
    EP04015588A 2003-07-04 2004-07-02 Floor panel comprising a core consisting of wood-based material Expired - Lifetime EP1493879B1 (en)

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    DE10330297A1 (en) 2005-02-03
    DE502004001449D1 (en) 2006-10-26
    ATE339570T1 (en) 2006-10-15
    ES2268547T3 (en) 2007-03-16
    EP1493879B1 (en) 2006-09-13

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