EP2110267B1 - Method for producing a structural panel - Google Patents

Method for producing a structural panel Download PDF

Info

Publication number
EP2110267B1
EP2110267B1 EP20090005068 EP09005068A EP2110267B1 EP 2110267 B1 EP2110267 B1 EP 2110267B1 EP 20090005068 EP20090005068 EP 20090005068 EP 09005068 A EP09005068 A EP 09005068A EP 2110267 B1 EP2110267 B1 EP 2110267B1
Authority
EP
European Patent Office
Prior art keywords
plastic
areas
surface layer
radiation field
structural panel
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.)
Not-in-force
Application number
EP20090005068
Other languages
German (de)
French (fr)
Other versions
EP2110267A2 (en
EP2110267A3 (en
Inventor
Ludger Goldberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Windmoeller Flooring Products GmbH
Original Assignee
Witex Flooring Products GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Witex Flooring Products GmbH filed Critical Witex Flooring Products GmbH
Publication of EP2110267A2 publication Critical patent/EP2110267A2/en
Publication of EP2110267A3 publication Critical patent/EP2110267A3/en
Application granted granted Critical
Publication of EP2110267B1 publication Critical patent/EP2110267B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
    • B44C3/005—Removing selectively parts of at least the upper layer of a multi-layer article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/22—Removing surface-material, e.g. by engraving, by etching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/0469—Ornamental plaques, e.g. decorative panels, decorative veneers comprising a decorative sheet and a core formed by one or more resin impregnated sheets of paper

Definitions

  • the invention relates to a method for producing a plastic surface structure of a building board, in particular floor or wall panel, which building panel has a surface layer consisting of thermoplastic or thermosetting plastic.
  • floorboards have recently found widespread use, which consist mainly of a core of wood-based panels, such as MDF or HDF and at least one decorative top layer in the form of a printed plastic film.
  • wood or stone motifs have been used, which are hardly distinguishable from real wood or stone slabs. It has been considered disadvantageous that the print motifs within certain limits pretend a plastic surface structure, for example, resulted from the grain of wood images, without a real plastic surface was present.
  • press plates in the press which have a plastic structure according to the ups and downs of the surface image.
  • this refers to the production of "pores”.
  • Typical is the here EP 1820640 to call.
  • press plates of this type whose plastic structure is executed exactly synchronously with the specifications of a respective image pattern. It is just as difficult to adjust a press accordingly.
  • the exact synchronization of the image with the relief of the press plates is critical to success.
  • a specific press plate can only be used for a specific image motif, so that a large number of press plates must be provided. The method used to date for the production of a pore laminate is therefore complicated and not satisfactory overall.
  • the invention has for its object to provide a method of the type mentioned, for the production of a plastic, relief-like building board with plastic layer as a decorative layer, which is easier and less expensive compared to the previously used method.
  • the method according to the invention is characterized in that a printed pattern is printed on the surface layer, which has areas with special properties in predetermined positions, and a radiation field of high intensity is applied over the surface layer, the rays of which preferably focus on the particular areas so that they are melted or burned out.
  • so-called pores can be produced by the plastic surface layer of the plate receives a relief-like surface structure by melting or burnouts.
  • the surface layer of the plate may be a film, or even a plastic paint.
  • the particular areas of the pressure on the surface may be, for example, electrically conductive or even magnetic.
  • the rays of an electric or electromagnetic field can be attracted in a special way through the special areas. In this way, it can lead to a strong warming or possibly also combustion of the special areas.
  • the special areas can also consist of a color, for example, absorbs or reflects heat rays more or less.
  • the imprint with the special areas that attract the radiation to a particular extent is naturally synchronized with the printed image of the decorative layer. This is much easier than the synchronization of the printed image with a press plate.
  • the inventive method is applicable not only for floor or wall panels, but for plastic-coated surfaces with decorative imprint in any shape, so as well as for ceiling panels, furniture parts, etc.
  • a first implementation possibility is an irradiation of a conductive imprint by a high-voltage electric field.
  • a color imprint of different colors that more or less absorb or reflect a heat radiation, such as infrared radiation.

Description

Die Erfindung betrifft ein Verfahren zur Herstellung einer plastischen Oberflächenstruktur einer Bauplatte, insbesondere Boden- oder Wandplatte, welche Bauplatte eine aus thermoplastischem oder duroplastischem Kunststoff bestehende Oberflächenschicht aufweist.The invention relates to a method for producing a plastic surface structure of a building board, in particular floor or wall panel, which building panel has a surface layer consisting of thermoplastic or thermosetting plastic.

Insbesondere in der Form sogenannter Laminat-Paneele haben in letzter Zeit Fußbodenplatten weite Verbreitung gefunden, die vor allem aus einem Kern aus Holzwerkstoffplatten, wie etwa MDF oder HDF und wenigstens einer dekorativen Oberschicht in der Form einer bedruckten Kunststofffolie bestehen. Bei der Herstellung dieser dekorativen Kunststofffolien sind Holz- oder auch Steinmotive verwendet worden, die gegenüber echten Holz- oder Steinplatten kaum zu unterscheiden sind. Dabei ist es als nachteilig angesehen worden, dass die Druckmotive in gewissen Grenzen eine plastische Oberflächenstruktur vortäuschen, die sich beispielsweise aus der Maserung von Holzabbildungen ergab, ohne dass eine wirkliche plastische Oberfläche vorlag.In particular, in the form of so-called laminate panels floorboards have recently found widespread use, which consist mainly of a core of wood-based panels, such as MDF or HDF and at least one decorative top layer in the form of a printed plastic film. In the production of these decorative plastic films wood or stone motifs have been used, which are hardly distinguishable from real wood or stone slabs. It has been considered disadvantageous that the print motifs within certain limits pretend a plastic surface structure, for example, resulted from the grain of wood images, without a real plastic surface was present.

In der weiteren Entwicklung ist man daher dazu übergegangen, beim Verpressen des Holzwerkstoffkerns mit der Dekorschicht und ggf. weiteren Schichten, insbesondere einer abriebfesten, transparenten Deckschicht sogenannte Pressbleche in die Presse einzulegen, die entsprechend den Höhen und Tiefen der Oberflächenabbildung eine plastische Struktur aufweisen. In der Fachsprache wird in diesem Zusammenhang mit der Herstellung von "Poren" gesprochen. Typisch ist hier die EP 1820640 zu nennen.In the further development, it is therefore transferred to insert when pressing the wood core material with the decorative layer and possibly other layers, in particular an abrasion-resistant, transparent cover layer so-called press plates in the press, which have a plastic structure according to the ups and downs of the surface image. In technical terms, this refers to the production of "pores". Typical is the here EP 1820640 to call.

Naturgemäß ist es verhältnismäßig aufwendig, Pressbleche dieser Art herzustellen, deren plastische Struktur exakt synchron zu den Vorgaben eines jeweiligen Bildmusters ausgeführt ist. Ebenso schwierig ist es, eine Presse entsprechend genau einzustellen. Andererseits ist die genaue Synchronisation des Bildes mit dem Relief der Pressbleche entscheidend für den Erfolg. Auf der anderen Seite kann jeweils ein bestimmtes Pressblech nur für ein bestimmtes Bildmotiv verwendet werden, so dass eine große Anzahl von Pressblechen vorgehalten werden muß. Das bisher verwendete Verfahren zur Herstellung eines mit Poren versehenen Laminats ist daher aufwendig und insgesamt nicht befriedigend.Naturally, it is relatively expensive to produce press plates of this type whose plastic structure is executed exactly synchronously with the specifications of a respective image pattern. It is just as difficult to adjust a press accordingly. On the other hand, the exact synchronization of the image with the relief of the press plates is critical to success. On the other hand, in each case a specific press plate can only be used for a specific image motif, so that a large number of press plates must be provided. The method used to date for the production of a pore laminate is therefore complicated and not satisfactory overall.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren der eingangs genannten Art, für die Herstellung einer plastischen, reliefartigen Bauplatte mit Kunststoffschicht als Dekorschicht zu schaffen, das gegenüber dem bisher angewendeten Verfahren einfacher und kostengünstiger ist.The invention has for its object to provide a method of the type mentioned, for the production of a plastic, relief-like building board with plastic layer as a decorative layer, which is easier and less expensive compared to the previously used method.

Zur Lösung dieser Aufgabe ist das erfindungsgemäße Verfahren dadurch gekennzeichnet, dass auf die Oberflächenschicht ein Druckmuster aufgedruckt wird, das in vorgegebenen Positionen Bereiche mit besonderen Eigenschaften aufweist und dass über der Oberflächenschicht ein Strahlungsfeld hoher Intensität angelegt wird, dessen Strahlen sich bevorzugt auf die besonderen Bereiche richten, so dass diese geschmolzen oder ausgebrannt werden.To achieve this object, the method according to the invention is characterized in that a printed pattern is printed on the surface layer, which has areas with special properties in predetermined positions, and a radiation field of high intensity is applied over the surface layer, the rays of which preferably focus on the particular areas so that they are melted or burned out.

Auf diese Weise können etwa sogenannte Poren hergestellt werden, indem die Kunststoff-Oberflächenschicht der Platte durch Einschmelzungen oder Ausbrennungen eine reliefartige Oberflächenstruktur erhält.In this way, so-called pores can be produced by the plastic surface layer of the plate receives a relief-like surface structure by melting or burnouts.

Die Oberflächenschicht der Platte kann eine Folie, oder auch ein Kunststoff-Lack sein. Die besonderen Bereiche des Druckes auf der Oberfläche können beispielsweise elektrisch leitend oder auch magnetisch sein. Dadurch können beispielsweise die Strahlen eines elektrischen oder elektromagnetischen Feldes in besonderer Weise durch die besonderen Bereiche angezogen werden. Auf diese Weise kann es zu einer starken Erwärmung oder ggf. auch Verbrennung der besonderen Bereiche kommen.The surface layer of the plate may be a film, or even a plastic paint. The particular areas of the pressure on the surface may be, for example, electrically conductive or even magnetic. As a result, for example, the rays of an electric or electromagnetic field can be attracted in a special way through the special areas. In this way, it can lead to a strong warming or possibly also combustion of the special areas.

Die besonderen Bereiche können aber auch aus einer Farbe bestehen, die beispielsweise Wärmestrahlen mehr oder weniger absorbiert oder reflektiert.The special areas can also consist of a color, for example, absorbs or reflects heat rays more or less.

Der Aufdruck mit den besonderen Bereichen, die die Strahlung in besonderem Maße anziehen, ist naturgemäß mit dem Druckbild der Dekorschicht zu synchronisieren. Das ist wesentlich einfacher als die Synchronisation des Druckbildes mit einem Pressblech.The imprint with the special areas that attract the radiation to a particular extent, is naturally synchronized with the printed image of the decorative layer. This is much easier than the synchronization of the printed image with a press plate.

Das erfindungsgemäße Verfahren ist nicht nur für Boden- oder Wandplatten anwendbar, sondern für kunststoffbeschichtete Flächen mit Dekoraufdruck in jeder Form, also etwa auch für Deckentäfelungen, Möbelteile usw.The inventive method is applicable not only for floor or wall panels, but for plastic-coated surfaces with decorative imprint in any shape, so as well as for ceiling panels, furniture parts, etc.

Eine erste Realisierungsmöglichkeit liegt in einer Bestrahlung eines leitfähigen Aufdrucks durch ein elektrisches Hochspannungsfeld. Es gibt aber auch andere Möglichkeiten, die Wirkung einer Oberflächenbehandlung durch die Oberfläche selbst zu steuern, beispielsweise ein Farbaufdruck von verschiedenen Farben, die mehr oder weniger eine Wärmestrahlung, beispielsweise eine Infrarotstrahlung, absorbieren oder reflektieren.A first implementation possibility is an irradiation of a conductive imprint by a high-voltage electric field. However, there are other ways to control the effect of a surface treatment by the surface itself, for example, a color imprint of different colors that more or less absorb or reflect a heat radiation, such as infrared radiation.

Claims (8)

  1. Method for producing a plastic surface structure of a structural panel, in particular a floor or wall panel, said structural panel comprising a surface layer, consisting of thermoplastic or duroplastic material, characterized in that a printing pattern is printed onto the surface layer which comprises areas of particular properties in predefined positions, and applying a radiation field of high intensity over the surface layer wherein the rays are oriented preferably onto the particular areas or are absorbed or reflected in different extend, such that these areas are melted, burned or thermically changed in different way.
  2. Method according to claim 1, characterized in that the particular areas are electrically conductible.
  3. Method according to claim 1, characterized in that the particular areas comprises a colored imprint with one color of more or less reflective properties.
  4. Method according to claim 1 or 2, characterized in that the radiation field is an electrical field.
  5. Method according to claim 1 or 2, characterized in the radiation field supplies an ultraviolet radiation.
  6. Method according to one of claims 1 or 2, characterized in that the radiation field is an infrared radiation field.
  7. Method according to one of claims 1 to 6, characterized in that the plastic surfaces comprise a plastic film.
  8. Method according to one of claims 1 to 6, characterized in that the plastic surface layer is produced by applicating a lacquer.
EP20090005068 2008-04-15 2009-04-06 Method for producing a structural panel Not-in-force EP2110267B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810018853 DE102008018853B3 (en) 2008-04-15 2008-04-15 Method for producing a building board

Publications (3)

Publication Number Publication Date
EP2110267A2 EP2110267A2 (en) 2009-10-21
EP2110267A3 EP2110267A3 (en) 2012-08-29
EP2110267B1 true EP2110267B1 (en) 2013-06-12

Family

ID=40888125

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090005068 Not-in-force EP2110267B1 (en) 2008-04-15 2009-04-06 Method for producing a structural panel

Country Status (3)

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EP (1) EP2110267B1 (en)
DE (1) DE102008018853B3 (en)
ES (1) ES2436886T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2363299B1 (en) * 2010-03-05 2012-10-17 Spanolux N.V.- DIV. Balterio A method of manufacturing a floor board

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE555563A (en) * 1957-02-19
DE3940749C1 (en) * 1989-12-09 1991-05-02 Ver Glaswerke Gmbh
US8071912B2 (en) * 2005-11-16 2011-12-06 Technolines, Lp Engineered wood fiber product substrates and their formation by laser processing
DE102006007976B4 (en) * 2006-02-21 2007-11-08 Flooring Technologies Ltd. Process for refining a building board
DE102007013284B4 (en) * 2007-03-16 2009-07-09 Leonhard Kurz Gmbh & Co. Kg Process for producing a diffractive or macroscopic relief structure and a film provided with this relief structure

Also Published As

Publication number Publication date
ES2436886T3 (en) 2014-01-07
EP2110267A2 (en) 2009-10-21
EP2110267A3 (en) 2012-08-29
DE102008018853B3 (en) 2009-10-29

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