EP2260161B1 - Coated wooden floor panel - Google Patents

Coated wooden floor panel Download PDF

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Publication number
EP2260161B1
EP2260161B1 EP09728244A EP09728244A EP2260161B1 EP 2260161 B1 EP2260161 B1 EP 2260161B1 EP 09728244 A EP09728244 A EP 09728244A EP 09728244 A EP09728244 A EP 09728244A EP 2260161 B1 EP2260161 B1 EP 2260161B1
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EP
European Patent Office
Prior art keywords
coating
floor panel
panel according
range
wood
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EP09728244A
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German (de)
French (fr)
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EP2260161A1 (en
Inventor
Stefan Pletzer
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Fritz Egger GmbH and Co OG
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Fritz Egger GmbH and Co OG
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Priority to PL09728244T priority Critical patent/PL2260161T3/en
Publication of EP2260161A1 publication Critical patent/EP2260161A1/en
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    • 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
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/02005—Construction of joints, e.g. dividing strips
    • E04F15/02033—Joints with beveled or recessed upper edges
    • 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
    • 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
    • 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

Definitions

  • the invention relates to a floor panel with a plate-shaped substrate made of wood and / or wood material, wherein at least the top of the substrate is provided with a decor, preferably wood decor, and applied to the decor transparent, closed coating based on an organic binder, which the exposed Defined top of the floor panel.
  • Various coatings for wood floor coverings are known in the prior art. These may consist of oils or waxes or they are based on synthetic resins. These different coatings give the wood surfaces a brilliant appearance, especially as they emphasize the grain of the wood, giving the flooring an attractive appearance. Furthermore, the different coating materials provide the necessary wear resistance of the coating. They also protect the wood surface from the influence of UV light, which causes graying of the wood surface, and also improve the stain sensitivity and hygiene of the floor covering or allow it to be cleaned on a regular basis.
  • the DE 10 2004 031 547 discloses a generic floor panel.
  • any worn coating can be sanded off and replaced with the application of a new resin-based coating.
  • the process of rebuilding a resin-based coating can be repeated several times, usually at least two to three times, depending on the thickness of the wear layer of the wood flooring, so that even here average use over many years an attractive appearance of the wood flooring is achieved.
  • Oil- and wax-based systems do not form virtually any closed layers and therefore offer little protection against mechanical abrasion.
  • Resin-based coatings form closed layers of specific thickness, which can also be varied by the choice of application quantity. For this purpose, different order methods are available, and it can of course be achieved by multiple order different order quantities.
  • the present invention has for its object to provide a floor panel of the type mentioned above, the coating on the one hand provides a satisfactory perceptibility of Holzfußteilbelages by the user and its coating on the other hand, a comparatively high wear resistance at low Has maintenance and deformation of the Holzfußièrebelages largely prevented due to small-scale loads.
  • the coating of the floor panel according to the invention is formed of a transparent coating based on an organic binder, which is to define the exposed top of a Holzfußbodenbelages and causes a vibration damping in accordance with EN ISO 1522 vibration damping in the range of 8 s to 22 s.
  • particles which increase the vibration-damping effect of the coating can be present in the coating according to the invention. This means that the transparent coating on the floor panel according to the invention or on a sample of a floor panel according to the invention in a pendulum damping test according to EN ISO 1522 causes a vibration damping in the range of 8 seconds to 22 seconds.
  • the protective effect of the coating according to the invention against deformations of the wood floor covering by small-area loads generally increases with increasing layer thickness of the coating.
  • the layer thickness of the coating according to the invention in the range of 60 .mu.m to 200 .mu.m, preferably in the range of 80 .mu.m to 180 .mu.m, and more preferably in the range of 100 .mu.m to 160 microns is.
  • the coating according to the invention is transparent. It can also be referred to as lacquer or clear lacquer. Paints are coating materials based on organic binders.
  • the binder (paint resin) of the coating according to the invention is preferably synthetic resin.
  • binders based on polyolefins for example of polyethylene, polypropylene, ethylene-vinyl acetate and copolymers thereof, or mixtures based on one or more synthetic resins (thermosets) with one or more polyolefins (thermoplastics) can be used.
  • the coating according to the invention is preferably a two-component reaction lacquer which, after the mixing of co-ordinated resin hardener and / or catalyst components with the synthetic resin component, has a time-limited processability.
  • This may in particular be a two-component polyurethane varnish or a two-component epoxy resin varnish.
  • the coating according to the invention is formed on the basis of one or more synthetic resins, according to a preferred embodiment of the invention it preferably contains one or more additives which increase the vibration damping.
  • the relevant additives are preferably ASE (alkyl sulfonic acid ester of phenol) or DINCH (cyclohexane-1,2-dicarboxylic acid diisononyl ester).
  • the vibration-damping particles are, for example, PUR elastomer particles and / or EPR particles (ethylene-propylene rubber).
  • the coating matrix surrounding the particles ensures the required wear resistance, in particular scratch and abrasion resistance.
  • the plate-shaped substrate of a floor panel provided with the coating according to the invention may be of different nature.
  • the plate-shaped substrate is preferably made of wood material, for example made of MDF or HDF board provided with a wood decor, tile decor or Fantasy decor, preferably printed directly and the visible side (top) then with a coating according to the invention is provided.
  • the illustrated panels 1 are formed from a plate-shaped substrate 2 made of wood material.
  • the substrate 2 is, for example, a high-density fiberboard whose upper side is printed by direct printing with a decor, preferably a wood decor. Before applying the decoration, the fiberboard is sanded and primed.
  • the primer may comprise a primer and a grindable roll coat base.
  • the underside of the substrate 2 is preferably provided with a sealing layer (Gegenzug Mrs).
  • the decor is by means of a multi-color printing unit, the two or in the direction of passage comprises three successive application rolls, directly printed on the pretreated wood-based panel 2.
  • a base color coating is first applied, which covers the primer and is color matched to the decor.
  • the base color coating has an ocher or umber hue.
  • the directly printed decor is sealed by a coating 3 according to the invention.
  • the coating 3 is transparent and protects the decor and the substrate 2 against mechanical wear. Furthermore, the coating 3 prevents small-surface loads of the substrate 2 whose permanent deformation at the load points. In addition, the coating 3 protects the substrate 2 from moisture and the penetration of liquid.
  • the coating 3 according to the invention is applied to the decor in one or more layers, preferably in two layers. At least one of these applied layers forms a closed layer. If the coating 3 is applied in two layers, the two layers preferably have a different degree of gloss.
  • the first layer may have a relatively low degree of gloss or may have a matt finish, while the second layer, as the uppermost layer (finishing layer), has a relatively high degree of gloss.
  • at least its first applied layer forms a closed layer.
  • the second layer (finishing layer), on the other hand, may have a structure or pores that are on the decor, in particular a replicated wood grain are tuned.
  • the printed wood-based panel (for example HDF panel) is divided into a plurality of floor panels 1 and provided with connecting means 4, 5 by milling the longitudinal edges of the panels 1.
  • the connecting means are formed as a groove 4 and spring 5 and have mutually associated locking means 6, 7.
  • the locking means consist of a formed in the lower groove flank trough-shaped recess 6 and formed on the spring, in the recess 6 positively insertable projection. 7
  • the damping properties of coating materials can be defined by indicating the vibration damping. This is determined by means of a mounted on the coating surface pendulum, which oscillates on two steel balls (tungsten carbide balls) as a support surface back and forth. The oscillation energy of the pendulum is attenuated all the more, the better the damping properties of the coating. As a measure of the vibration damping that period is measured in which the oscillation amplitude of the pendulum decreases by a certain amount. The vibration damping is then given in seconds according to this standardized method according to EN ISO 1522.
  • the measurement defined there is applicable for determining the vibration damping of coating materials.
  • it is provided to apply the coating materials to be tested previously on a glass or steel plate in order to exclude any influences of the substrate.
  • the present invention exactly that If the problem of the effect of a small-area load on the substrate is to be eliminated, but this is also substantially dependent on the nature of the substrate, the information given here always refers to results which were determined on samples of coated wooden floor panels.
  • the coating 3 according to the invention forms the exposed upper side of the floor panel 1. It is designed with respect to its material composition and layer thickness such that, in a pendulum damping test according to EN ISO 1522, a vibration damping in the range from 8 to 22 s, preferably in the range from 8 to 18 s, and more preferably in the range of 8 to 14 seconds.
  • the coating 3 according to the invention has a comparatively high layer thickness compared with conventional synthetic resin-based clearcoat coatings, which is in the range from 60 ⁇ m to 200 ⁇ m, preferably in the range from 80 ⁇ m to 180 ⁇ m, and particularly preferably in the range from 100 ⁇ m to 160 ⁇ m.
  • the transparent coating 3 is formed from a resin-based paint. It is preferably a two-component polyurethane varnish or a two-component epoxy resin varnish.
  • additives used here are ASE (alkyl sulfonic acid ester of phenol) or DINCH (cyclohexane-1,2-dicarboxylic acid diisononyl ester).
  • the coating 3 may contain particles which increase their damping properties. These particles consist for example of PUR elastomer particles and / or EPR particles and have a particle size which is smaller than the layer thickness of the coating 3.
  • the coating material surrounding the particles ensures the required wear resistance, in particular scratch and abrasion resistance.
  • the particle sizes of these vibration damping particles are in the range of 50 microns to 200 microns, preferably in the range of 50 microns to 160 microns, and more preferably in the range of 50 microns to 100 microns.
  • the coating 3 according to the invention can provide the wear resistance increasing particles, e.g. Corundum particles or ceramic nanoparticles, and / or at least one antistatic agent as an additive.
  • the embodiment of the invention is not limited to the embodiment described above and shown in the drawing.
  • the order of the production steps in the production of inventive floor panels can be varied; This applies both to directly painted floor panels based on wood-based panels as well as in particular for Fertigparkettpaneele having a solid wood layer as a wear layer. So can the application of the coating according to the invention, for example, even after the assembly (division) of larger plates in a desired panel format and / or after edge processing of the panels done.
  • the edge processing can also include the production of a chamfered edge (chamfer) on the upper-side longitudinal edges and / or transverse edges of the respective panels.

Description

Die Erfindung betrifft ein Fußbodenpaneel mit einem plattenförmigen Substrat aus Holz und/oder Holzwerkstoff, wobei zumindest die Oberseite des Substrats mit einem Dekor, vorzugsweise Holzdekor, und einer auf dem Dekor aufgebrachten transparenten, geschlossenen Beschichtung auf Basis eines organischen Bindemittels versehen ist, welche die freiliegende Oberseite des Fußbodenpaneels definiert.The invention relates to a floor panel with a plate-shaped substrate made of wood and / or wood material, wherein at least the top of the substrate is provided with a decor, preferably wood decor, and applied to the decor transparent, closed coating based on an organic binder, which the exposed Defined top of the floor panel.

Im Stand der Technik sind verschiedenste Beschichtungen für Holzfußbodenbeläge bekannt. Diese können aus Ölen oder Wachsen bestehen oder sie basieren auf Kunstharzen. Diese verschiedenen Beschichtungen verleihen den Holzoberflächen ein brillantes Aussehen, zumal sie die Maserung des Holzes hervorheben und so dem Belag ein attraktives Aussehen verleihen. Ferner sorgen die verschiedenen Beschichtungsstoffe für die notwendige Verschleißfestigkeit des Belages. Auch schützen Sie die Holzoberfläche vor dem Einfluss durch UV-Licht, der zu einer Vergrauung der Holzoberfläche führt, und verbessern auch die Fleckenempfindlichkeit und Hygiene des Belages bzw. ermöglichen dessen wiederkehrende Reinigung.Various coatings for wood floor coverings are known in the prior art. These may consist of oils or waxes or they are based on synthetic resins. These different coatings give the wood surfaces a brilliant appearance, especially as they emphasize the grain of the wood, giving the flooring an attractive appearance. Furthermore, the different coating materials provide the necessary wear resistance of the coating. They also protect the wood surface from the influence of UV light, which causes graying of the wood surface, and also improve the stain sensitivity and hygiene of the floor covering or allow it to be cleaned on a regular basis.

Die DE 10 2004 031 547 offenbart ein gattungsgemäßes Fußbodenpaneel.The DE 10 2004 031 547 discloses a generic floor panel.

Treten aufgrund der Nutzung nach einiger Zeit Verschleißerscheinungen auf, können mit öl- und wachsbasierten Beschichtungen versehene Holzfußbodenbeläge erneut mit einer entsprechenden Beschichtung eingelassen werden. Ein erneutes Einlassen kann nahezu beliebig oft erfolgen und ist zur Erhaltung eines attraktiven Aussehens des Holzfußbodenbelages im Allgemeinen jährlich notwendig.If, due to use, signs of wear appear after some time, wooden floor coverings provided with oil and wax-based coatings can be recessed with a corresponding coating. Re-entry can be done almost any number of times and is generally necessary annually to maintain an attractive appearance of the wood flooring.

Bei mit kunstharzbasierten Beschichtungen versehenen Holzfußbodenbelägen kann eine eventuell verschlissene Beschichtung abgeschliffen und durch den Auftrag einer neuen kunstharzbasierten Beschichtung erneuert werden. Der Vorgang des Neuaufbaus einer kunstharzbasierten Beschichtung kann je nach Stärke der Nutzschicht des Holzfußbodenbelags mehrmals, in der Regel zumindest zwei- bis dreimal wiederholt werden, sodass auch hier bei durchschnittlicher Nutzung insgesamt über viele Jahre ein attraktives Aussehen des Holzfußbodenbelags erreicht wird.With wood flooring provided with resin-based coatings, any worn coating can be sanded off and replaced with the application of a new resin-based coating. The process of rebuilding a resin-based coating can be repeated several times, usually at least two to three times, depending on the thickness of the wear layer of the wood flooring, so that even here average use over many years an attractive appearance of the wood flooring is achieved.

Die unterschiedlichen Beschichtungssysteme haben hinsichtlich ihrer Verschleißeigenschaften unterschiedliche Eigenschaften. Öl- und wachsbasierte Systeme bilden so gut wie keine geschlossenen Schichten aus und bieten daher auch kaum Schutz gegen mechanischen Abrieb. Kunstharzbasierte Beschichtungen bilden hingegen geschlossene Schichten bestimmter Dicke aus, die auch durch die Wahl der Auftragsmenge variiert werden kann. Hierzu stehen unterschiedliche Auftragsverfahren zur Verfügung, und es können natürlich auch durch mehrfachen Auftrag unterschiedliche Auftragsmengen erreicht werden.The different coating systems have different properties with regard to their wear properties. Oil- and wax-based systems do not form virtually any closed layers and therefore offer little protection against mechanical abrasion. Resin-based coatings, on the other hand, form closed layers of specific thickness, which can also be varied by the choice of application quantity. For this purpose, different order methods are available, and it can of course be achieved by multiple order different order quantities.

Öl- und wachsbasierte Beschichtungen müssen daher wie ausgeführt durch relativ häufiges Einlassen regelmäßig erneuert werden; andererseits haben aber solcherart beschichtete Holzfußböden den Vorteil, die Eigenschaften des Untergrundes, also der Holzoberfläche dem Nutzer verbessert wahrnehmbar zu machen. Dies ist vor allem in Wohnbereichen sehr wesentlich, wo jedoch auch eine übermäßige Nutzung nicht zu erwarten ist, weshalb hier trotz der verminderten Verschleißeigenschaften und der Notwendigkeit des häufigen Erneuerns, den öl- und wachsbasierten Beschichtungen oft der Vorzug gegeben wird.As a result, oil and wax-based coatings must be regularly renewed by relatively frequent insertion; On the other hand, however, such coated wood floors have the advantage of making the properties of the substrate, so the wood surface the user perceived better. This is very important especially in residential areas, where, however, excessive use is not expected, which is why, despite the reduced wear properties and the need for frequent use Renewal, the oil and wax-based coatings are often given preference.

Wo es aber auf eine erhöhte Verschleißfestigkeit ankommt, werden kunstharzbasierte Beschichtungen anzuwenden sein. Diese gestatten es aber dem Nutzer aufgrund ihrer erforderlichen Schichtdicke und Härte weniger gut, die Oberflächeneigenschaften des Untergrundes wahrzunehmen. Ferner sind sie bedingt durch ihre Härte in der Regel relativ spröde.However, where increased wear resistance is required, synthetic resin-based coatings will have to be used. However, these allow the user due to their required layer thickness and hardness less good to perceive the surface properties of the substrate. Furthermore, due to their hardness, they are generally relatively brittle.

Sowohl für Holzfußböden mit bekannten Öl- oder Wachsbeschichtungen als auch für solche, die mit einer auf einem Kunstharz basierten Beschichtung versehen sind, besteht der Nachteil, dass kantige, herabfallende Gegenstände oder andere kleinflächige Belastungen, der Oberfläche ohne dass die Beschichtung dagegen einen Widerstand entgegensetzen kann, eine bleibende Deformation zufügen. Für den Fall einer beschriebenen Belastung bieten öl- und wachsbasierte Beschichtungen zwar den Vorteil, dass diese dann keine Beschichtungsrisse aufweisen können und damit keine auffälligen vergrauten Stellen entstehen, trotzdem entsteht aber auch hier eine bleibende Deformation an der Oberfläche, die nur durch aufwendigste Reparaturarbeiten, eventuell sogar überhaupt nicht mehr befriedigend entfernt werden kann.Both for wood floors with known oil or wax coatings as well as those provided with a resin-based coating, there is the disadvantage that angular, falling objects or other small-scale loads, the surface without the coating can oppose a resistance , inflict a permanent deformation. In the case of a described load oil- and wax-based coatings offer the advantage that they can then have no coating cracks and thus no conspicuous gray spots arise, but nevertheless there is also a permanent deformation on the surface, the most expensive repair work, possibly even can not be removed satisfactorily at all.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Fußbodenpaneel der eingangs genannten Art zur Verfügung zu stellen, dessen Beschichtung einerseits eine befriedigende Wahrnehmbarkeit des Holzfußbodenbelages durch den Nutzer bietet und dessen Beschichtung andererseits eine vergleichsweise hohe Verschleißfestigkeit bei geringem Wartungsaufwand aufweist und Deformationen des Holzfußbodenbelages infolge kleinflächiger Belastungen weitgehend verhindert.The present invention has for its object to provide a floor panel of the type mentioned above, the coating on the one hand provides a satisfactory perceptibility of Holzfußbodenbelages by the user and its coating on the other hand, a comparatively high wear resistance at low Has maintenance and deformation of the Holzfußbodenbelages largely prevented due to small-scale loads.

Gelöst wird diese Aufgabe durch ein Fußbodenpaneel mit den Merkmalen des Anspruchs 1.This object is achieved by a floor panel having the features of claim 1.

Bevorzugte und vorteilhafte Ausgestaltungen der erfindungsgemäßen Beschichtung bzw. des erfindungsgemäßen Fußbodenpaneels sind in den Unteransprüchen angegeben.Preferred and advantageous embodiments of the coating according to the invention or the floor panel according to the invention are specified in the subclaims.

Die Beschichtung des erfindungsgemäßen Fußbodenpaneel ist aus einer transparenten Beschichtung auf Basis eines organischen Bindemittels gebildet, welche die freiliegende Oberseite eines Holzfußbodenbelages definieren soll und bei einer Pendeldämpfungsprüfung gemäß EN ISO 1522 eine Schwingungsdämpfung im Bereich von 8 s bis 22 s bewirkt. Nach der Erfindung können in der erfindungsgemäßen Beschichtung Partikel enthalten sein, welche die schwingungsdämpfende Wirkung der Beschichtung erhöhen. Das heißt, dass die transparente Beschichtung auf dem erfindungsgemäßen Fußbodenpaneel bzw. auf einer Probe eines erfindungsgemäßen Fußbodenpaneels bei einer Pendeldämpfungsprüfung gemäß EN ISO 1522 eine Schwingungsdämpfung im Bereich von 8 s bis 22 s bewirkt.The coating of the floor panel according to the invention is formed of a transparent coating based on an organic binder, which is to define the exposed top of a Holzfußbodenbelages and causes a vibration damping in accordance with EN ISO 1522 vibration damping in the range of 8 s to 22 s. According to the invention, particles which increase the vibration-damping effect of the coating can be present in the coating according to the invention. This means that the transparent coating on the floor panel according to the invention or on a sample of a floor panel according to the invention in a pendulum damping test according to EN ISO 1522 causes a vibration damping in the range of 8 seconds to 22 seconds.

Bei Versuchen wurde festgestellt, dass eine solche Beschichtung eine vergleichsweise hohe Verschleißfestigkeit bei geringem Wartungsaufwand bietet und Deformationen eines Holzfußbodenbelages weitgehend verhindert, wenn der damit beschichtete Holzfußbodenbelag durch kantige, herabfallende Gegenstände belastet oder anderen kleinflächigen Belastungen unterworfen wird. Die Wahrnehmbarkeit von mit der erfindungsgemäßen Beschichtung versehenen Holzfußbodenbelägen wurde dabei von neutralen Testpersonen als befriedigend bis gut beurteilt.In experiments, it was found that such a coating provides a relatively high wear resistance with low maintenance and deformation of a Holzfußbodenbelages largely prevented when the coated wooden flooring is loaded by edged, falling objects or other small-scale loads. The perceptibility of provided with the coating according to the invention Holzfußbodenbelägen was assessed by neutral subjects as satisfactory to good.

Besonders günstige Versuchsergebnisse hinsichtlich der Verschleißfestigkeit (Abriebfestigkeit), des Schutzes vor Deformationen durch kleinflächige Belastungen sowie der Wahrnehmbarkeit des beschichteten Holzfußbodenbelages wurden erzielt, wenn die erfindungsgemäße Beschichtung eine Schwingungsdämpfung gemäß EN ISO 1522 im Bereich von 8 s bis 18 s, vorzugsweise 8 s bis 14 s zeigte.Particularly favorable test results with regard to the wear resistance (abrasion resistance), the protection against deformations caused by small-area loads and the perceptibility of the coated wooden floor covering were achieved if the coating according to the invention has a vibration damping according to EN ISO 1522 in the range of 8 seconds to 18 seconds, preferably 8 seconds to 14 seconds s showed.

Herkömmlich beschichtete Fußbodenpaneele zeigen dagegen eine Schwingungsdämpfung in der Größenordnung von 45 s.Conventionally coated floor panels, however, show a vibration damping in the order of 45 s.

Die Schutzwirkung der erfindungsgemäßen Beschichtung vor Deformationen des Holzfußbodenbelages durch kleinflächige Belastungen steigt im Allgemeinen mit zunehmender Schichtdicke der Beschichtung. Hinsichtlich eines möglichst geringen Materialverbrauchs und einer befriedigenden Wahrnehmbarkeit des Holzfußbodenbelages ist es jedoch vorteilhaft, wenn die Schichtdicke der erfindungsgemäßen Beschichtung im Bereich von 60 µm bis 200 µm, bevorzugt im Bereich von 80 µm bis 180 µm, und besonders bevorzugt im Bereich von 100 µm bis 160 µm liegt.The protective effect of the coating according to the invention against deformations of the wood floor covering by small-area loads generally increases with increasing layer thickness of the coating. With regard to the lowest possible material consumption and a satisfactory perceptibility of the wood flooring, it is advantageous if the layer thickness of the coating according to the invention in the range of 60 .mu.m to 200 .mu.m, preferably in the range of 80 .mu.m to 180 .mu.m, and more preferably in the range of 100 .mu.m to 160 microns is.

Die erfindungsgemäße Beschichtung ist transparent ausgebildet. Sie kann auch als Lack bzw. Klarlack bezeichnet werden. Lacke sind Beschichtungsstoffe auf der Basis organischer Bindemittel.The coating according to the invention is transparent. It can also be referred to as lacquer or clear lacquer. Paints are coating materials based on organic binders.

Bei dem Bindemittel (Lackharz) der erfindungsgemäßen Beschichtung handelt es sich vorzugsweise um Kunstharz. Als Kunstharz kommen dabei insbesondere Polyurethan-Harz, Epoxid-Harz, Harnstoff-Formaldehyd-Harz, MelaminFormaldehyd-Harz, Phenol-Formaldehyd-Harz, Polyester-Harz, ungesättigtes Polyester-Harz, Vinylester-Harz und deren Mischungen in Betracht. Ferner können auch Bindemittel auf Basis von Polyolefinen, z.B. von Polyethylen, Polypropylen, Ethylen-Vinylacetat sowie deren Copolymere, oder Mischungen auf Basis eines oder mehrerer Kunstharze (Duroplaste) mit einem oder mehreren Polyolefinen (Thermoplaste) eingesetzt werden.The binder (paint resin) of the coating according to the invention is preferably synthetic resin. In particular, polyurethane resin, epoxy resin, urea-formaldehyde resin, melamine-formaldehyde resin, Phenol-formaldehyde resin, polyester resin, unsaturated polyester resin, vinyl ester resin and mixtures thereof. Furthermore, binders based on polyolefins, for example of polyethylene, polypropylene, ethylene-vinyl acetate and copolymers thereof, or mixtures based on one or more synthetic resins (thermosets) with one or more polyolefins (thermoplastics) can be used.

Bevorzugt handelt es sich bei der erfindungsgemäßen Beschichtung um einen Zweikomponenten-Reaktionslack, der nach dem Vermischen von aufeinander abgestimmten Harz-Härter und/oder Katalysator-Komponenten mit der Kunstharz-Komponente eine zeitlich begrenzte Verarbeitbarkeit hat. Dabei kann es sich insbesondere um einen Zweikomponenten-Polyurethanlack oder einen Zweikomponenten-Epoxidharzlack handeln.The coating according to the invention is preferably a two-component reaction lacquer which, after the mixing of co-ordinated resin hardener and / or catalyst components with the synthetic resin component, has a time-limited processability. This may in particular be a two-component polyurethane varnish or a two-component epoxy resin varnish.

Ist die erfindungsgemäße Beschichtung auf Basis eines oder mehrerer Kunstharze gebildet, so enthält sie nach einer bevorzugten Ausgestaltung der Erfindung vorzugsweise ein oder mehrere schwingungsdämpfungserhöhende Additive. Bei den diesbezüglichen Additiven handelt es sich vorzugsweise um ASE (Alkylsulfonsäureester des Phenols) oder DINCH (Cyclohexan-1,2-dicarbonsäurediisononylester).If the coating according to the invention is formed on the basis of one or more synthetic resins, according to a preferred embodiment of the invention it preferably contains one or more additives which increase the vibration damping. The relevant additives are preferably ASE (alkyl sulfonic acid ester of phenol) or DINCH (cyclohexane-1,2-dicarboxylic acid diisononyl ester).

Bei den schwingungsdämpfenden Partikeln handelt es sich beispielsweise um PUR-Elastomerpartikel und/oder EPR-Partikel (Ethylen-Propylen-Rubber). Die die Partikel umgebende Beschichtungsmatrix stellt dabei die erforderliche Verschleißfestigkeit, insbesondere eine Kratz- und Abriebfestigkeit sicher.The vibration-damping particles are, for example, PUR elastomer particles and / or EPR particles (ethylene-propylene rubber). The coating matrix surrounding the particles ensures the required wear resistance, in particular scratch and abrasion resistance.

Das plattenförmige Substrat eines mit der erfindungsgemäßen Beschichtung versehenen Fußbodenpaneels kann unterschiedlich beschaffen sein. Zur Schonung der Echtholz-Ressourcen ist das plattenförmige Substrat vorzugsweise aus Holzwerkstoff, beispielsweise aus einer MDF- oder HDF-Platte gebildet, die mit einem Holzdekor, Fliesendekor oder Fantasiedekor versehen, vorzugsweise direkt bedruckt ist und deren Sichtseite (Oberseite) anschließend mit einer erfindungsgemäßen Beschichtung versehen wird.The plate-shaped substrate of a floor panel provided with the coating according to the invention may be of different nature. To protect the real wood resources, the plate-shaped substrate is preferably made of wood material, for example made of MDF or HDF board provided with a wood decor, tile decor or Fantasy decor, preferably printed directly and the visible side (top) then with a coating according to the invention is provided.

Nachfolgend wird die Erfindung anhand einer ein Ausführungsbeispiel darstellenden Zeichnung näher erläutert. In der Zeichnung zeigen

Fig. 1
zwei miteinander verbindbare Fußbodenpaneele in perspektivischer Darstellung; und
Fig. 2
eine vergrößerte Detailansicht der Seitenkanten der Fußbodenpaneele der Fig. 1 in Stirnseitenansicht.
The invention will be explained in more detail with reference to a drawing illustrating an exemplary embodiment. In the drawing show
Fig. 1
two interconnected floor panels in perspective view; and
Fig. 2
an enlarged detail view of the side edges of the floor panels of Fig. 1 in frontal view.

Die dargestellten Paneele 1 sind aus einem plattenförmigen Substrat 2 aus Holzwerkstoff gebildet. Bei dem Substrat 2 handelt es sich beispielsweise um eine hochdichte Faserplatte, deren Oberseite im Direktdruckverfahren mit einem Dekor, vorzugsweise einem Holzdekor bedruckt ist. Vor dem Aufbringen des Dekors wird die Faserplatte angeschliffen und mit einer Grundierung versehen. Die Grundierung kann einen Haftvermittler und einen schleifbaren Walzspachtelgrund umfassen. Die Unterseite des Substrats 2 wird vorzugsweise mit einer Versiegelungsschicht (Gegenzugschicht) versehen.The illustrated panels 1 are formed from a plate-shaped substrate 2 made of wood material. The substrate 2 is, for example, a high-density fiberboard whose upper side is printed by direct printing with a decor, preferably a wood decor. Before applying the decoration, the fiberboard is sanded and primed. The primer may comprise a primer and a grindable roll coat base. The underside of the substrate 2 is preferably provided with a sealing layer (Gegenzugschicht).

Nachdem die Grundierung getrocknet und gegebenenfalls durch Schleifen geglättet ist, wird das Dekor mittels eines Mehrfarben-Druckwerkes, das in Durchlaufrichtung zwei oder drei aufeinanderfolgende Auftragswalzen umfasst, auf die vorbehandelte Holzwerkstoffplatte 2 direkt aufgedruckt. Gegebenenfalls kann vor dem Aufdrucken des Dekors zunächst eine Basisfarb-Beschichtung aufgetragen werden, die die Grundierung abdeckt und farblich auf das Dekor abgestimmt ist. Beispielsweise besitzt die Basisfarb-Beschichtung einen Ocker- oder Umbra-Farbton.After the primer is dried and optionally smoothed by grinding, the decor is by means of a multi-color printing unit, the two or in the direction of passage comprises three successive application rolls, directly printed on the pretreated wood-based panel 2. Optionally, before the printing of the decor, a base color coating is first applied, which covers the primer and is color matched to the decor. For example, the base color coating has an ocher or umber hue.

Das direkt aufgedruckte Dekor wird durch eine erfindungsgemäße Beschichtung 3 versiegelt. Die Beschichtung 3 ist transparent und schützt das Dekor sowie das Substrat 2 vor mechanischer Abnutzung. Ferner verhindert die Beschichtung 3 bei kleinflächigen Belastungen des Substrats 2 dessen bleibende Deformation an den Belastungsstellen. Darüber hinaus schützt die Beschichtung 3 das Substrat 2 vor Feuchtigkeit und dem Eindringen von Flüssigkeit.The directly printed decor is sealed by a coating 3 according to the invention. The coating 3 is transparent and protects the decor and the substrate 2 against mechanical wear. Furthermore, the coating 3 prevents small-surface loads of the substrate 2 whose permanent deformation at the load points. In addition, the coating 3 protects the substrate 2 from moisture and the penetration of liquid.

Die erfindungsgemäße Beschichtung 3 wird ein- oder mehrschichtig, vorzugsweise zweischichtig auf das Dekor aufgebracht. Zumindest eine dieser aufgebrachten Schichten bildet eine geschlossene Schicht aus. Wird die Beschichtung 3 in zwei Schichten aufgebracht, so weisen die beiden Schichten vorzugsweise einen unterschiedlichen Glanzgrad auf. Die erste Schicht kann beispielsweise einen relativ geringen Glanzgrad aufweisen bzw. matt ausgeführt sein, während die zweite Schicht als oberste Schicht (Abschlussschicht) demgegenüber einen relativ hohen Glanzgrad besitzt. Im Falle einer zweischichtigen Ausführung der Beschichtung 3 bildet zumindest deren zuerst aufgebrachte Schicht eine geschlossene Schicht aus.The coating 3 according to the invention is applied to the decor in one or more layers, preferably in two layers. At least one of these applied layers forms a closed layer. If the coating 3 is applied in two layers, the two layers preferably have a different degree of gloss. By way of example, the first layer may have a relatively low degree of gloss or may have a matt finish, while the second layer, as the uppermost layer (finishing layer), has a relatively high degree of gloss. In the case of a two-layered embodiment of the coating 3, at least its first applied layer forms a closed layer.

Die zweite Schicht (Abschlussschicht) kann dagegen eine Struktur bzw. Poren aufweisen, die auf das Dekor, insbesondere eine nachgebildete Holzmaserung abgestimmt sind.The second layer (finishing layer), on the other hand, may have a structure or pores that are on the decor, in particular a replicated wood grain are tuned.

Nach Aushärtung der erfindungsgemäßen Beschichtung 3 wird die bedruckte Holzwerkstoffplatte (z.B. HDF-Platte) in eine Vielzahl von Fußbodenpaneelen 1 zerteilt und durch Fräsen der Längskanten der Paneele 1 mit Verbindungsmitteln 4, 5 versehen. Die Verbindungsmittel sind als Nut 4 und Feder 5 ausgebildet und weisen einander zugeordnete Verriegelungsmittel 6, 7 auf. Die Verriegelungsmittel bestehen aus einer in der unteren Nutflanke ausgebildeten muldenförmigen Vertiefung 6 und einem an der Feder ausgebildeten, in die Vertiefung 6 formschlüssig einsetzbaren Vorsprung 7.After the coating 3 according to the invention has cured, the printed wood-based panel (for example HDF panel) is divided into a plurality of floor panels 1 and provided with connecting means 4, 5 by milling the longitudinal edges of the panels 1. The connecting means are formed as a groove 4 and spring 5 and have mutually associated locking means 6, 7. The locking means consist of a formed in the lower groove flank trough-shaped recess 6 and formed on the spring, in the recess 6 positively insertable projection. 7

Die Dämpfungseigenschaften von Beschichtungsstoffen können definiert werden durch Angabe der Schwingungsdämpfung. Diese wird mittels eines auf der Beschichtungs-Oberfläche aufgesetzten Pendels ermittelt, das auf zwei Stahlkugeln (Wolframcarbid-Kugeln) als Auflagefläche hin und her schwingt. Die Schwingungsenergie des Pendels wird dabei umso mehr gedämpft, je besser die Dämpfungseigenschaften der Beschichtung sind. Als Maßzahl für die Schwingungsdämpfung wird jene Zeitspanne gemessen, in der die Schwingungsamplitude des Pendels um ein bestimmtes Maß abnimmt. Die Schwingungsdämpfung wird dann nach diesem gemäß EN ISO 1522 genormten Verfahren in Sekunden angegeben.The damping properties of coating materials can be defined by indicating the vibration damping. This is determined by means of a mounted on the coating surface pendulum, which oscillates on two steel balls (tungsten carbide balls) as a support surface back and forth. The oscillation energy of the pendulum is attenuated all the more, the better the damping properties of the coating. As a measure of the vibration damping that period is measured in which the oscillation amplitude of the pendulum decreases by a certain amount. The vibration damping is then given in seconds according to this standardized method according to EN ISO 1522.

Gemäß dieser Norm ist die dort definierte Messung zur Bestimmung der Schwingungsdämpfung von Beschichtungsstoffen anwendbar. Zu diesem Zweck ist vorgesehen, die zu prüfenden Beschichtungsstoffe zuvor auf einer Glas- oder Stahlplatte aufzubringen, um etwaige Einflüsse des Untergrundes auszuschließen. Da die vorliegende Erfindung aber genau das Problem der Wirkung einer kleinflächigen Belastung auf den Untergrund beheben will, diese aber wesentlich auch von der Beschaffenheit des Untergrundes abhängig ist, beziehen sich die hier gemachten Angaben stets auf Ergebnisse, die an Proben beschichteter Holzfußbodenpaneelen ermittelt wurden.According to this standard, the measurement defined there is applicable for determining the vibration damping of coating materials. For this purpose, it is provided to apply the coating materials to be tested previously on a glass or steel plate in order to exclude any influences of the substrate. However, since the present invention exactly that If the problem of the effect of a small-area load on the substrate is to be eliminated, but this is also substantially dependent on the nature of the substrate, the information given here always refers to results which were determined on samples of coated wooden floor panels.

Die erfindungsgemäße Beschichtung 3 bildet die freiliegende Oberseite des Fußbodenpaneels 1. Sie ist bezüglich ihrer Materialzusammensetzung und Schichtdicke so ausgebildet, dass sie bei einer Pendeldämpfungsprüfung gemäß EN ISO 1522 eine Schwingungsdämpfung im Bereich von 8 bis 22 s, vorzugsweise im Bereich von 8 bis 18 s, und besonders bevorzugt im Bereich von 8 bis 14 s bewirkt.The coating 3 according to the invention forms the exposed upper side of the floor panel 1. It is designed with respect to its material composition and layer thickness such that, in a pendulum damping test according to EN ISO 1522, a vibration damping in the range from 8 to 22 s, preferably in the range from 8 to 18 s, and more preferably in the range of 8 to 14 seconds.

Die erfindungsgemäße Beschichtung 3 hat gegenüber herkömmlichen kunstharzbasierten Klarlackbeschichtungen eine vergleichsweise hohe Schichtdicke, die im Bereich von 60 µm bis 200 µm, bevorzugt im Bereich von 80 µm bis 180 µm, und besonders bevorzugt im Bereich von 100 µm und 160 µm liegt.The coating 3 according to the invention has a comparatively high layer thickness compared with conventional synthetic resin-based clearcoat coatings, which is in the range from 60 μm to 200 μm, preferably in the range from 80 μm to 180 μm, and particularly preferably in the range from 100 μm to 160 μm.

Es wurde festgestellt, dass bei der angegebenen, gezielt eingestellten Schwingungsdämpfung im Bereich von 8 bis 22 s und einer in dem angegebenen Bereich von 60 µm bis 200 µm liegenden Schichtdicke eine vergleichsweise hohe Verschleißfestigkeit bei geringem Wartungsaufwand erreichbar ist, und dass die mechanische Eigenschaften der erfindungsgemäßen Beschichtung 3 dabei in hohem Maße in der Lage sind, Deformationen des beschichteten Substrates 1 bei kleinflächigen Belastungen weitgehend zu verhindern.It has been found that a comparatively high wear resistance with low maintenance is achievable with the given, specifically set vibration damping in the range of 8 to 22 s and a layer thickness of 60 μm to 200 μm in the specified range of 60 μm to 200 μm, and that the mechanical properties of the invention Coating 3 are to a great extent able to largely prevent deformations of the coated substrate 1 in the case of small-area loads.

Bevorzugt ist die transparente Beschichtung 3 aus einem kunstharzbasierten Lack gebildet. Dabei handelt es sich vorzugsweise um einen Zweikomponenten-Polyurethanlack oder einen Zweikomponenten-Epoxidharzlack.Preferably, the transparent coating 3 is formed from a resin-based paint. It is preferably a two-component polyurethane varnish or a two-component epoxy resin varnish.

Um die schwingungsdämpfenden Eigenschaften der Beschichtung 3 zu erhöhen, wird diese vorzugsweise unter Beigabe entsprechender Additive zubreitet. Als Additive kommen dabei beispielsweise ASE (Alkylsulfonsäureester des Phenols) oder DINCH (Cyclohexan-1,2-dicarbonsäurediisononylester) zum Einsatz.In order to increase the vibration-damping properties of the coating 3, it is preferably spread with the addition of appropriate additives. Examples of additives used here are ASE (alkyl sulfonic acid ester of phenol) or DINCH (cyclohexane-1,2-dicarboxylic acid diisononyl ester).

Des Weiteren kann die Beschichtung 3 Partikel enthalten, welche ihre Dämpfungseigenschaften erhöhen. Diese Partikel bestehen beispielsweise aus PUR-Elastomerpartikeln und/oder EPR-Partikeln und haben eine Korngröße, die kleiner als die Schichtdicke der Beschichtung 3 ist. Der die Partikel umgebende Beschichtungsstoff sorgt dabei für die erforderliche Verschleißfestigkeit, insbesondere eine Kratz- und Abriebbeständigkeit.Furthermore, the coating 3 may contain particles which increase their damping properties. These particles consist for example of PUR elastomer particles and / or EPR particles and have a particle size which is smaller than the layer thickness of the coating 3. The coating material surrounding the particles ensures the required wear resistance, in particular scratch and abrasion resistance.

Die Korngrößen dieser schwingungsdämpfungserhöhenden Partikel liegen im Bereich von 50 µm bis 200 µm, vorzugsweise im Bereich von 50 µm bis 160 µm, und besonders bevorzugt im Bereich von 50 µm bis 100 µm.The particle sizes of these vibration damping particles are in the range of 50 microns to 200 microns, preferably in the range of 50 microns to 160 microns, and more preferably in the range of 50 microns to 100 microns.

Darüber hinaus kann die erfindungsgemäße Beschichtung 3 die Verschleißfestigkeit erhöhende Partikel, z.B. Korundteilchen oder keramische Nanopartikel, und/oder wenigstens ein Antistatikum als Additiv enthalten.In addition, the coating 3 according to the invention can provide the wear resistance increasing particles, e.g. Corundum particles or ceramic nanoparticles, and / or at least one antistatic agent as an additive.

Die Ausführung der Erfindung ist nicht auf das vorstehend beschriebene und in der Zeichnung dargestellte Ausführungsbeispiel beschränkt. So kann beispielsweise die Reihenfolge der Fertigungsschritte bei der Herstellung erfindungsgemäßer Fußbodenpaneele variiert werden; dies gilt sowohl für direktlackierte Fußbodenpaneele auf Basis von Holzwerkstoffplatten als auch insbesondere für Fertigparkettpaneele, die eine Massivholzschicht als Nutzschicht aufweisen. So kann das Auftragen der erfindungsgemäßen Beschichtung beispielsweise auch nach der Konfektionierung (Zerteilung) größerer Platten in ein gewünschtes Paneelformat und/oder nach einer Kantenbearbeitung der Paneele erfolgen. Die Kantenbearbeitung kann dabei neben der Herstellung von Nut und Feder sowie gegebenenfalls Verriegelungsmitteln auch die Herstellung einer abgeschrägten Kante (Fase) an den oberseitigen Längskanten und/oder Querkanten der jeweiligen Paneele umfassen.The embodiment of the invention is not limited to the embodiment described above and shown in the drawing. Thus, for example, the order of the production steps in the production of inventive floor panels can be varied; This applies both to directly painted floor panels based on wood-based panels as well as in particular for Fertigparkettpaneele having a solid wood layer as a wear layer. So can the application of the coating according to the invention, for example, even after the assembly (division) of larger plates in a desired panel format and / or after edge processing of the panels done. In addition to the production of tongue and groove as well as optionally locking means, the edge processing can also include the production of a chamfered edge (chamfer) on the upper-side longitudinal edges and / or transverse edges of the respective panels.

Claims (15)

  1. Floor panel (1) comprising a board-like substrate (2) made of wood and/or wood-based material, at least the surface of the substrate (2) being provided with a decor, preferably a wood decor and a transparent, continuous coating (3) based on an organic binder, which coating is applied to the design and defines the exposed top face of the floor panel, characterised in that, in a pendulum damping test according to EN ISO 1522, the coating (3) brings about vibration damping in the range of from 8 s to 22 s, the coating (3) containing particles which increase vibration damping and have a particle size in the range of from 50 µm to 200 µm.
  2. Floor panel according to claim 1, characterised in that, in a pendulum damping test according to EN ISO 1522, the coating (3) thereof brings about vibration damping in the range of from 8 s to 18 s.
  3. Floor panel according to claim 1, characterised in that, in a pendulum damping test according to EN ISO 1522, the coating (3) thereof brings about vibration damping in the range of from 8 s to 14 s.
  4. Floor panel according to any of claims 1 to 3, characterised in that the coating (3) thereof has a layer thickness in the range of from 60 µm to 200 µm.
  5. Floor panel according to any of claims 1 to 4, characterised in that the coating (3) thereof has a layer thickness in the range of from 80 µm to 180 µm.
  6. Floor panel according to any of claims 1 to 5, characterised in that the coating (3) thereof has a layer thickness in the range of from 100 µm to 160 µm.
  7. Floor panel according to any of claims 1 to 6, characterised in that the coating (3) thereof is formed from synthetic resin which contains one or more additives which increase vibration damping.
  8. Floor panel according to any of claims 1 to 7, characterised in that the coating (3) thereof is formed based on polyurethane.
  9. Floor panel according to any of claims 1 to 7, characterised in that the coating (3) thereof is formed based on one or more polyolefins.
  10. Floor panel according to any of claims 1 to 7, characterised in that the coating (3) thereof is formed based on one or more epoxides.
  11. Floor panel according to any of claims 1 to 7, characterised in that the coating (3) thereof is formed based on ethylene vinyl acetate.
  12. Floor panel according to any of claims 1 to 11, characterised in that the particles which increase vibration damping have particle sizes in the range of from 50 µm to 160 µm, preferably in the range of from 50 µm to 100 µm.
  13. Floor panel according to any of claims 1 to 12, characterised in that the coating (3) thereof contains one or more antistatic agents.
  14. Floor panel according to any of claims 1 to 13, characterised in that the board-like substrate (2) is a wood-based material board which is directly printed with a decor.
  15. Floor panel according to any of claims 1 to 14, characterised in that the board-like substrate (2) comprises, on at least two opposite side edges, connecting means formed as a groove (4) and a tongue (5), which connecting means comprise locking means (6, 7) which are assigned to one another.
EP09728244A 2008-04-03 2009-04-02 Coated wooden floor panel Active EP2260161B1 (en)

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DE102008017438A DE102008017438A1 (en) 2008-04-03 2008-04-03 Coating for wood flooring and coated wood floor panel
PCT/EP2009/053973 WO2009121941A1 (en) 2008-04-03 2009-04-02 Coated wooden floor panel

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DE102010019567A1 (en) * 2010-05-05 2011-11-10 Fritz Egger Gmbh & Co. Og Panel, in particular floor panel with chamfered edges and method for the production of such panels
EP3385046A1 (en) 2017-04-07 2018-10-10 Omya International AG In-line coated decorative wood-based boards

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DE3147989A1 (en) * 1981-12-04 1983-06-16 Hoechst Ag, 6230 Frankfurt DECORATIVE, IN PARTICULAR PLATE-SHAPED MOLDED PART, METHOD FOR THE PRODUCTION THEREOF AND THE USE THEREOF
DE19933095A1 (en) * 1999-07-15 2001-01-18 Herberts Gmbh & Co Kg Coating powder for coating plastic, wood and MDF materials consists of heat-cured resin and hardener, thermoplastic resin powder, inorganic filler and additives and-or pigments
DE10035924B4 (en) * 2000-07-21 2006-04-27 Fritz Egger Gmbh & Co Impregnate and method of making and using the impregnate
DE10301293B4 (en) * 2003-01-15 2007-02-01 Blomberger Holzindustrie B. Hausmann Gmbh & Co Kg Plate-shaped body and method for its production with an electrostatically dissipative surface
DE10306033A1 (en) * 2003-02-13 2004-09-02 Wacker Polymer Systems Gmbh & Co. Kg Thermoset powder coatings containing extender resins
DE102004031547A1 (en) 2003-08-20 2005-03-17 Kronospan Ag Wood-based panel with a surface coating and method of making the same
EP1589083A3 (en) * 2004-04-13 2006-01-25 Eternit Ag Coating of fibruous cement boards
DE102005001363A1 (en) * 2005-01-11 2006-07-20 Kronospan Schweiz Ag Wooden panel with surface coating has primer covered by one or more paint layers of certain reduced thickness applied in finishing unit having applicator and hardening means

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DE102008017438A1 (en) 2009-10-08
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WO2009121941A1 (en) 2009-10-08
ES2406389T3 (en) 2013-06-06

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