DE19532819A1 - Mfr. of fibreboards with patterned surfaces - Google Patents

Mfr. of fibreboards with patterned surfaces

Info

Publication number
DE19532819A1
DE19532819A1 DE1995132819 DE19532819A DE19532819A1 DE 19532819 A1 DE19532819 A1 DE 19532819A1 DE 1995132819 DE1995132819 DE 1995132819 DE 19532819 A DE19532819 A DE 19532819A DE 19532819 A1 DE19532819 A1 DE 19532819A1
Authority
DE
Germany
Prior art keywords
printing
layer
plate
varnish
layers
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.)
Withdrawn
Application number
DE1995132819
Other languages
German (de)
Inventor
Wolfgang Reifenrath
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.)
FRITZ HOMANN GMBH & CO. KG, 81925 MUENCHEN, DE
Original Assignee
HOFA HOMANN VERWALTUNGSGESELLS
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 HOFA HOMANN VERWALTUNGSGESELLS filed Critical HOFA HOMANN VERWALTUNGSGESELLS
Priority to DE1995132819 priority Critical patent/DE19532819A1/en
Publication of DE19532819A1 publication Critical patent/DE19532819A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • 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
    • 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
    • B05D7/50—Multilayers
    • B05D7/56—Three layers or more
    • B05D7/58—No clear coat specified
    • B05D7/587—No clear coat specified some layers being coated "wet-on-wet", the others not
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N7/00—After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity
    • B27N7/005—Coating boards, e.g. with a finishing or decorating layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/26—Printing on other surfaces than ordinary paper
    • B41M1/38—Printing on other surfaces than ordinary paper on wooden surfaces, leather, or linoleum
    • 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
    • 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
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/002—Pretreatement
    • 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
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
    • 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
    • B05D7/50—Multilayers
    • B05D7/56—Three layers or more
    • B05D7/58—No clear coat specified
    • B05D7/582—No clear coat specified all layers being cured or baked together
    • 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
    • B05D7/50—Multilayers
    • B05D7/56—Three layers or more
    • B05D7/58—No clear coat specified
    • B05D7/584—No clear coat specified at least some layers being let to dry, at least partially, before applying the next layer

Abstract

To produce wood board materials, with a visual surface structure, the surface is processed in sequence with a base colour, a sealing, a basic print and a patterned print.

Description

Die Erfindung betrifft ein Verfahren zur Herstellung einer Holzwerkstoffplatte mit einer optisch gestaltbaren Oberfläche.The invention relates to a method for producing a wood-based panel with an optically configurable surface.

Holzwerkstoffplatten der gattungsgemäßen Art sind an sich bekannt. In neuerer Zeit werden bevorzugt sogenannte HDF-Platten (hochdichte Faserplatten) verwendet, die unter Druck insbesondere aus Nadelholzfasern und Additiven hergestellt werden. Derartige Platten werden in an sich bekannter Weise an den Oberflächen mit Papier versehen, welches mit dem gewünschten Dekor bedruckt ist. Es handelt sich vorzugsweise um sogenannte Melaminpapiere, die mit einem Melaminharz auf die HDF-Platte aufgebracht und versiegelt werden.Wood-based panels of the generic type are known per se. In So-called HDF boards (high density Fiberboard) used under pressure, especially from softwood fibers and additives are manufactured. Such plates are in themselves known manner provided on the surfaces with paper, which with the desired decor is printed. It is preferably about So-called melamine papers that are coated with a melamine resin on the HDF board applied and sealed.

Zur Herstellung derartiger bekannter Platten werden zwei Verfahren eingesetzt. Einerseits handelt es sich um Taktverfahren, bei welchem Platten vorgegebener Größe mit bedruckten Papier beschichtet, mit Melaminharz getränkt und ggf. mit einem sogenannten Overlay in Form eines Oberflächenharzes versehen werden. Anschließend werden die fertigen Platten der Anlage entnommen und im nächsten Takt die nächste Platte bearbeitet. Mit derartigen Verfahren, die inzwischen bis zu einem Kurztaktverfahren von etwa 40 s optimiert wurden, können etwa 7,5 m pro Minute hergestellt werden.Two methods are used to manufacture such known plates used. On the one hand, there is a clock process, in which plates given size coated with printed paper, with melamine resin soaked and possibly with a so-called overlay in the form of a Surface resin are provided. Then the finished panels removed from the system and processed the next plate in the next cycle. With such procedures, which are now up to a short cycle of 40 s have been optimized, can produce around 7.5 m per minute will.

Alternativ werden sogenannte Heißkaschieranlagen verwendet, die im Durchlaufverfahren arbeiten, aber ebenfalls die genannten Schritte der Plattenbeschichtung mit bedrucktem Melaminpapier in einer Durchlaufanlage durchführen. Derartige Anlage können bis zu 20 m pro Minute herstellen.Alternatively, so-called hot lamination systems are used, which in Continuous process work, but also the steps mentioned  Board coating with printed melamine paper in a continuous system carry out. Such systems can produce up to 20 m per minute.

Die Nachteile der bekannten Herstellungsverfahren bestehen insbesondere in deren Unwirtschaftlichkeit. Mit steigendem Bedarf an entsprechenden Holzwerkstoffplatten kann mit den bekannten Verfahren nicht mehr schnell genug produziert werden. Darüber hinaus müssen unterschiedlichste Materialien bevorratet werden. Das Oberflächenharz muß auf das Melaminpapier abgestimmt werden. Die einzelnen Bestandteile sind für sich gesehen teuer. Wegen der gesonderten Herstellung des Melaminpapiers, insbesondere der Aufbringung des Dekordrucks, wird die Gestaltung unflexibel, da zunächst die eingekauften und bevorrateten Papiere verbraucht werden sollten, bevor ein neues Dekor wirtschaftlich eingesetzt werden kann. Schließlich sind die einzelnen Bestandteile, die in dem bisher bekannten Verfahren verwendet werden, ebenso wie die fertiggestellten Platten umweltbelastend.The disadvantages of the known manufacturing methods are in particular their inefficiency. With increasing demand for corresponding Wood-based panels can no longer be fast with the known methods enough to be produced. In addition, the most varied Materials are stored. The surface resin must be on the Melamine paper can be matched. The individual components are on their own seen expensive. Because of the separate production of the melamine paper, in particular the application of the decor print, the design inflexible, since the purchased and stored papers are used up first should be before a new decor can be used economically. Finally, the individual components are the same in the previously known Processes are used, as are the finished panels polluting the environment.

Ausgehend von diesem Stand der Technik liegt der vorliegenden Erfindung die Aufgabe zugrunde, ein Verfahren zur Herstellung einer Holzwerkstoffplatte mit einer optisch gestaltbaren Oberfläche anzugeben, welches im Vergleich mit bekannten Verfahren schnell und kostengünstig arbeitet, umweltfreundliche Materialien verwendet, so daß auch die hergestellten Platten umweltfreundlich sind, anlagentechnisch günstig ist und darüber hinaus auch die Möglichkeit bietet, für Feuchträume geeignete Platten herstellen zu können.Based on this prior art, the present invention Task based on a method for producing a Specify wood-based panels with an optically configurable surface, which is quick and inexpensive in comparison with known methods works, uses environmentally friendly materials, so that also manufactured panels are environmentally friendly, is technically cheap and in addition, it also offers the possibility of boards suitable for wet rooms to be able to manufacture.

Zur technischen Lösung dieser Aufgabe wird vorgeschlagen, daß eine Trägerplatte wenigstens im Bereich ihrer Oberflächen nacheinanderTo solve this problem technically, it is proposed that a carrier plate in succession at least in the area of its surfaces

  • - mit einer Grundeinfärbung,- with a basic color,
  • - einer Versiegelung,- a seal,
  • - einer Druckbasis und- a printing base and
  • - einem Dekordruck versehen wird.- A decorative print is provided.

Nach dem erfindungsgemäßen Verfahren werden keine bedruckten Papiere mehr mit den Platten verbunden, sondern die Platten werden direkt für einen Druck vorbereitet und bedruckt. Daraus ergeben sich eine Vielzahl von Vorteilen. Insbesondere hat sich herausgestellt, daß dieses Verfahren überaus kostengünstig und vor allem sehr schnell arbeitet. Bereits ohne besondere technische Weiterentwicklungen arbeitet dieses Verfahren doppelt so schnell wie das oben beschriebene Durchlaufverfahren in einer Heißkaschieranlage, also mit bis zu 40 m pro Minute. Die Platte wird mit einer Grundeinfärbung und einer Versiegelung versehen, auf welche eine Druckbasis aufgebracht wird, also eine Druckgrundlage, die die Basisfarbe bereitstellt, und auf die der Dekordruck aufgebracht wird. Da mit Ausnahme des Druckes nacheinander nur verschiedene Lackarten aufgebracht werden, läßt sich das Verfahren anlagentechnisch sehr einfach und wirtschaftlich durchführen.According to the method according to the invention, there are no printed papers more connected to the plates, but the plates are made directly for you Prepared for printing and printed. This results in a multitude of Advantages. In particular, it has been found that this method is extremely works inexpensively and above all very quickly. Already without special This process works twice as fast in technical developments like the continuous process described above in a hot lamination system, with up to 40 m per minute. The plate comes with a basic color and provided a seal on which a printing base is applied is a printing base that provides the base color and on which the Decor printing is applied. Because with the exception of printing one after the other The process can only be applied using different types of lacquer technically very simple and economical to carry out.

In vorteilhafter Weise wird als Trägerplatte eine HDF-Platte verwendet. Die Grundeinfärbung erfolgt gemäß einem Vorschlag der Erfindung mehrlagig, wobei der erste Schritt in einem Grundieren zum Erzeugen eines Haftgrundes der Platte besteht. In vorteilhafter Weise wird die Druckbasis durch einen Oberflächenlack gebildet. Die Einfärbungen erfolgen gemäß einem Vorschlag der Erfindung mit pigmentiertem Lack, in besonders vorteilhafter Weise mittels wäßriger Dispersionslacke. Daraus ergibt sich eine besondere Umweltfreundlichkeit sowohl des Verfahrens als auch der damit hergestellten Platten, weil die einzelnen Bestandteile formaldehydfrei und wasserlöslich sind. Weiterhin ergibt sich eine Optimierung der technischen Eigenschaften der Wasseraufnahme und der Quellung, woraus eine verbesserte Versiegelung der Platte resultiert.An HDF plate is advantageously used as the carrier plate. The According to a proposal of the invention, basic coloring takes place in multiple layers, the first step in a primer to create a primer of the plate. The printing base is advantageously replaced by a Surface varnish formed. The coloring is done according to a suggestion the invention with pigmented lacquer, in a particularly advantageous manner aqueous dispersion paints. This results in a special one Environmental friendliness of both the process and the manufactured with it Sheets because the individual components are formaldehyde-free and water-soluble are. The technical properties are also optimized water absorption and swelling, resulting in improved sealing the plate results.

Während bei herkömmlichen Verfahren Verarbeitungsfehler zur Folge haben konnten, daß zwischen der Trägerplatte und dem Dekormaterial keine ausreichende Bindung erzielt wurde, ist dies bei dem erfindungsgemäßen Verfahren ausgeschlossen.While processing errors result in conventional methods could that between the support plate and the decorative material sufficient binding was achieved, this is the case with the invention Procedure excluded.

Gemäß einem Vorschlag der Erfindung werden für den Dekordruck Gravurzylinder verwendet. In vorteilhafter Weise wird der Dekordruck in einem Zweifarbdruckwerk durchgeführt. Mit dieser Maßnahme lassen sich nahezu beliebige und insbesondere naturechte Drucke herstellen. According to a proposal of the invention, for decor printing Engraving cylinder used. The decor print is advantageously in one Two-color printing unit carried out. With this measure you can almost produce any and especially natural prints.  

Gemäß einem besonders vorteilhaften Vorschlag der Erfindung wird abschließend wenigstens eine UV-Lackschicht ausgebildet. Diese besteht in vorteilhafter Weise aus wenigstens drei Schichten, die gemäß einem Vorschlag der Erfindung im sogenannten Naß-in-Naß-Verfahren aufgebracht werden. Als letzte Schicht wird vorteilhaft ein sogenannter Acrylat-UV-Lack verwendet. UV-Lackschichten sind Lacke, die mittels UV-Licht härtbar sind.According to a particularly advantageous proposal of the invention finally formed at least one UV varnish layer. This consists of advantageously from at least three layers, according to one Proposed the invention applied in the so-called wet-on-wet process will. A so-called acrylate UV varnish is advantageously used as the last layer used. UV varnish layers are varnishes that can be hardened by means of UV light.

Dieser besondere beschriebene Aufbau macht aus einer gattungsgemäßen Holzwerkstoffplatte eine chemikalienbeständige, abriebfeste, elastische, wasserfeste und unter dem Gesichtspunkt des sogenannten Kugeltests optimale Platte. Im Sinne der vorliegenden Erfindung bedeutet optimal unter dem Gesichtspunkt des Kugeltests eine große Oberflächenelastizität, so daß gegenüber den aus dem Stand der Technik bekannten Systemen auch Punktbelastungen nicht zu Deformationen führen können. Damit ist die Platte auch für den Einsatz in Feuchträumen geeignet und weist optimale mechanische Eigenschaften auf. Diese wären nicht erzielbar, wenn man eine Trägerplatte einfach mit einer wasserlöslichen Dispersion versehen würde.This particular structure described makes a generic Wood-based panel is a chemical-resistant, abrasion-resistant, elastic, waterproof and from the point of view of the so-called bullet test optimal plate. For the purposes of the present invention, optimally means below a large surface elasticity from the point of view of the ball test, so that compared to the systems known from the prior art Point loads cannot lead to deformations. So that's the record Also suitable for use in damp rooms and exhibits optimal mechanical properties. These would not be achievable if you had one Carrier plate would simply be provided with a water-soluble dispersion.

Gemäß dem erfindungsgemäßen Verfahren wird eine beispielsweise 8 mm starke HDF-Platte zunächst mittels pigmentierter Lacke, in vorteilhafter Weise wäßrige Dispersionslacke, grundiert und mit einer Grundeinfärbung versehen. Anschließend erfolgt mittels eines entsprechenden Lackes eine Versiegelung. Auf die Versiegelung wird nach der Trocknung ein Oberflächenlack aufgebracht, der ebenfalls pigmentiert ist und eine Grundeinfärbung aufweist, so daß insgesamt eine Druckbasis geschaffen ist. Auf diese Druckbasis wird mittels Gravurzylindern ein Dekordruck aufgebracht. Anschließend wird die Platte in einem ersten Schritt mit einem UV-härtbaren Lack, sogenanntem UV- Lack, versehen, wobei beispielsweise 20 g pro Quadratmeter aufgebracht werden. In einer UV-Strahlungsanlage wird diese Lackschicht vorgeliert. Anschließend wird dieser Schritt wiederholt, das heißt es wird eine zweite UV- Lackschicht mit ebenfalls etwa 25 g pro Quadratmetern aufgebracht und in einer entsprechenden UV-Strahlungsanlage vorgeliert. Schließlich wird ein Acrylat-UV-Lack aufgebracht, beispielsweise 12 g pro Quadratmeter, der anschließend beispielsweise mit Quecksilberdampfstrahlern ausgehärtet wird. Das Ergebnis ist eine chemikalien- und wasserbeständige Platte mit optimalen technologischen Eigenschaften. Vergleichstests haben ergeben, daß diese Platte mit allen zum Stand der Technik gehörigen Platten hinsichtlich der technologischen Eigenschaften vergleichbar ist, dabei jedoch sehr viel schneller und kostengünstig hergestellt werden kann. Einzelne technologische Eigenschaften wie die Stoßbeanspruchung durch eine fallende Kugel gemäß DIN 53799, das Verhalten bei trockener und feuchter Hitze gemäß DIN 68861 und dergleichen sind optimal und liegen zum Teil weit über den Eigenschaften, die mit herkömmlichen Verfahren erzielbar sind.According to the method of the invention, for example, 8 mm strong HDF board first using pigmented varnishes, advantageously aqueous dispersion lacquers, primed and provided with a basic color. This is then sealed with an appropriate varnish. After drying, a surface varnish is applied to the seal applied, which is also pigmented and has a basic color, so that a print base is created overall. On this printing basis applied a decorative print using engraving cylinders. Then the In a first step, the plate with a UV-curable lacquer, so-called UV Lacquer, provided, for example, 20 g per square meter applied will. This layer of lacquer is pre-gelled in a UV radiation system. This step is then repeated, that is to say a second UV Lacquer layer also applied with about 25 g per square meter and in pre-gelled with a corresponding UV radiation system. Eventually a Acrylic UV varnish applied, for example 12 g per square meter, the is then cured, for example with mercury vapor lamps. The result is a chemical and water resistant plate with optimal technological properties. Comparative tests have shown that this  Plate with all plates belonging to the prior art with regard to the technological properties is comparable, but very much can be produced more quickly and inexpensively. Individual technological Properties such as the impact stress caused by a falling ball DIN 53799, the behavior in dry and moist heat according to DIN 68861 and the like are optimal and are sometimes far above the properties, that can be achieved with conventional methods.

Das beschriebene Verfahren läßt sich im Durchlaufverfahren anwenden, wobei beispielsweise die Platte nach dem Beschichten einer Oberfläche gewendet und wieder dem ersten Grundierbereich zugeführt oder gleichzeitig beidseitig bearbeitet werden kann. Auch können sich wiederholende Verfahrensvorgänge anlagentechnisch optimal gesteuert werden, indem die Platten hier beispielsweise zwei Durchgänge durch einen Anlagenbereich durchführen.The described method can be used in a continuous process, whereby for example, the plate turned after coating a surface and fed back to the first priming area or simultaneously on both sides can be edited. Can also be repetitive Process operations are optimally controlled in terms of plant technology by the Boards here, for example, two passes through a plant area carry out.

Wesentlich im Rahmen der vorliegenden Erfindung ist es, daß der Lackauftrag mittels Walzen erfolgt, die eine von innen nach außen größer werdende Schorhärte aufweisen und eine Bombage, die beispielsweise eine Steigung von 1 mm/m bildet. Dies garantiert einen gleichmäßigen Lackauftrag im gesamten Rand-Mitte-Rand-Bereich.It is essential in the context of the present invention that the paint application takes place by means of rollers, the one increasing from the inside to the outside Have a hardness and a bombage, for example an incline of 1 mm / m. This guarantees an even application of paint in the entire border-center-border area.

Nach der Aushärtung der Oberflächen werden die Platten konfektioniert. Die Platten können als Fußbodenplatten, für den Ausbau von Feuchträumen oder für den Möbelbau verwendet werden. So lassen sich beliebig Federn und Nuten ausbilden, um die Platten beispielsweise im Fußbodenbereich aneinandersetzen zu können.After the surfaces have hardened, the panels are assembled. The Slabs can be used as floor slabs, for the expansion of damp rooms or can be used for furniture construction. Feathers and Form grooves around the panels, for example in the floor area to be able to put together.

Die Kombination der eingesetzten beschriebenen Materialien und die Auswahl und Anwendung der überwachbaren Parametern während des Herstellungsverfahrens ermöglichen eine ständige Kontrolle der und Einflußnahme auf die technischen Eigenschaften der hergestellten Oberflächen. Damit ist eine gute und definierte Reproduzierbarkeit gewährleistet. The combination of the materials described and the selection and application of the monitorable parameters during the Manufacturing processes allow constant control of the and Influencing the technical properties of the manufactured Surfaces. This is a good and defined reproducibility guaranteed.  

In der einzigen beiliegenden Figur ist schematisch der Ablauf eines Herstellungsverfahrens gezeigt. Eine schematisch dargestellte HDF-Platte 18, von denen sich mehrere in der Durchlaufanlage befinden können, wird zunächst in einer aufeinanderfolgenden Reihe von Auftragswerken 1, 2, 3 grundiert, grundeingefärbt, versiegelt und mit einem als Druckgrundlage dienenden Oberflächenlack versehen. Die Lacke, wäßrige Dispersionslacke mit Pigmenten, werden in entsprechenden Trocknungseinheiten 5, 6, 7 bedarfsgemäß getrocknet.In the single attached figure, the sequence of a manufacturing process is shown schematically. A schematically illustrated HDF board 18 , of which several can be located in the continuous system, is first primed in a successive series of application units 1 , 2 , 3 , basic inked, sealed and provided with a surface lacquer serving as a printing base. The paints, aqueous dispersion paints with pigments, are dried in appropriate drying units 5 , 6 , 7 as required.

Die Platte 18 wird dann über das durchlaufende Band 19, beispielsweise ein Rollenförderband, einem Druckwerk 9 zugeführt, wo sie beispielsweise in einem Zweifarbendruckwerk mittels Gravurzylindern mit einem Dekordruck versehen wird.The plate 18 is then fed via the continuous belt 19 , for example a roller conveyor belt, to a printing unit 9 , where it is provided with a decorative print, for example in a two-color printing unit, by means of engraving cylinders.

Anschließend wird die Platte aufeinanderfolgende Auftragswerken 10, 11, 12 mit dazwischen liegenden Trocknungseinheiten 13, 14, 15 zugeführt. Hier wird die Platte der Reihe nach mit UV-härtbaren Lacken versehen, die in den UV-Strahlungs-Trocknungseinheiten wunschgemäß getrocknet werden. In den Trocknungseinheiten 13 und 14 wird die jeweilige Lackschicht nur vorgeliert, so daß insgesamt ein sogenanntes Naß-in-Naß-Verfahren durchgeführt wird. In der Weiche 1 6 wird die an einer Oberfläche fertige Platte entweder zur Konfektionierung aus der Anlage herausgeführt, oder zur Wendestation 17 geführt, wo sie umgedreht wird. Dann wird die Platte wieder zur Herstellung der anderen Oberfläche an den Anfang der Anlage geführt.The plate is then fed to successive applicator units 10 , 11 , 12 with drying units 13 , 14 , 15 in between . Here, the plate is provided with UV-curable varnishes, which are dried in the UV radiation drying units as desired. In the drying units 13 and 14 , the respective lacquer layer is only pre-gelled, so that a so-called wet-on-wet process is carried out overall. In the switch 1 6, the finished plate on one surface is either led out of the system for assembly, or to the turning station 17 , where it is turned over. Then the plate is brought back to the beginning of the system to produce the other surface.

In vorteilhafter Weise kann vor dem Aufbringen der ersten Grundierungsschicht mittels einer Vorwärmvorrichtung 4 die Platte vorgewärmt werden. Die dadurch erzeugte Objekttemperatur verhindert bei den eingesetzten Harzen eine spätere Rißbildung.In an advantageous manner, the plate can be preheated by means of a preheating device 4 before the first primer layer is applied. The object temperature generated in this way prevents subsequent crack formation in the resins used.

Das mit der Erfindung bereitgestellte Verfahren läßt sich überaus schnell und kostengünstig durchführen und kann überaus flexibel zur Herstellung von variabel einsetzbaren Platten angewandt werden.The method provided by the invention is extremely quick and perform inexpensively and can be extremely flexible for the production of plates can be used variably.

BezugszeichenlisteReference list

1 Auftragswerk
2 Auftragswerk
3 Auftragswerk
4 Vorwärmvorrichtung
5 Trocknungseinheit
6 Trocknungseinheit
7 Trocknungseinheit
9 Druckwerk
10 Auftragswerk
11 Auftragswerk
12 Auftragswerk
13 Trocknungseinheit
14 Trocknungseinheit
15 Trocknungseinheit
16 Weiche
17 Wendestation
18 HDF-Platte
19 Band 1 commissioned work
2 commissioned work
3 commissioned work
4 preheater
5 drying unit
6 drying unit
7 drying unit
9 printing unit
10 commissioned work
11 commissioned work
12 commissioned work
13 drying unit
14 drying unit
15 drying unit
16 points
17 turning station
18 HDF board
19 volume

Claims (13)

1. Verfahren zur Herstellung einer Holzwerkstoffplatte mit einer optisch gestaltbaren Oberfläche, wobei eine Trägerplatte wenigstens im Bereich ihrer Oberflächen nacheinander
  • - mit einer Grundeinfärbung,
  • - mit einer Versiegelung,
  • - mit einer Druckbasis und
  • - einem Dekordruck versehen wird.
1. A method for producing a wood-based panel with an optically configurable surface, wherein a carrier plate is successively at least in the area of its surfaces
  • - with a basic color,
  • - with a seal,
  • - with a print base and
  • - A decorative print is provided.
2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß als Trägerplatte eine HDF-Platte verwendet wird.2. The method according to claim 1, characterized in that as Carrier board an HDF board is used. 3. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Grundeinfärbung mehrlagig erfolgt, wobei die erste Lage eine Grundierungsschicht ist.3. The method according to any one of the preceding claims, characterized characterized in that the basic coloring takes place in several layers, the first layer is a primer coat. 4. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß als Druckbasis ein Oberflächenlack verwendet wird.4. The method according to any one of the preceding claims, characterized characterized in that a surface varnish is used as the printing base. 5. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß zur Einfärbung pigmentierte Lacke verwendet werden.5. The method according to any one of the preceding claims, characterized characterized in that pigmented lacquers are used for coloring will. 6. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß wenigstens teilweise wäßrige Dispersionslacke verwendet werden.6. The method according to any one of the preceding claims, characterized characterized in that at least partially aqueous dispersion paints be used. 7. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Dekordruck unter Verwendung von Gravurzylindern erfolgt. 7. The method according to any one of the preceding claims, characterized characterized in that the decor printing using Engraving cylinders are done.   8. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Dekordruck in einem zweiten Farbdruckwerk durchgeführt wird.8. The method according to any one of the preceding claims, characterized characterized in that the decor printing in a second color printing unit is carried out. 9. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß auf die Oberflächen der Trägerplatte eine UV- Lackschicht aufgebracht wird.9. The method according to any one of the preceding claims, characterized characterized in that a UV Lacquer layer is applied. 10. Verfahren nach Anspruch 9, dadurch gekennzeichnet, daß die UV- Lackschicht in drei Schichten aufgebaut wird.10. The method according to claim 9, characterized in that the UV Lacquer layer is built up in three layers. 11. Verfahren nach Anspruch 10, dadurch gekennzeichnet, daß die Schichten naß-in-naß aufgebracht werden.11. The method according to claim 10, characterized in that the Layers are applied wet-on-wet. 12. Verfahren nach einem der Ansprüche 9 bis 11, dadurch gekennzeichnet, daß auf die Trägerplatte eine Acrylat-UV-Lackschicht aufgebracht wird.12. The method according to any one of claims 9 to 11, characterized in that an acrylate UV varnish layer is applied to the carrier plate. 13. Verfahren nach einem der Ansprüche 9 bis 1 2, dadurch gekennzeichnet, daß die Trägerplatte vor dem Aufbringen der Grundierungsschicht vorgewärmt wird.13. The method according to any one of claims 9 to 1 2, characterized in that the backing plate before applying the primer layer is preheated.
DE1995132819 1995-09-06 1995-09-06 Mfr. of fibreboards with patterned surfaces Withdrawn DE19532819A1 (en)

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Application Number Priority Date Filing Date Title
DE1995132819 DE19532819A1 (en) 1995-09-06 1995-09-06 Mfr. of fibreboards with patterned surfaces

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Application Number Priority Date Filing Date Title
DE1995132819 DE19532819A1 (en) 1995-09-06 1995-09-06 Mfr. of fibreboards with patterned surfaces

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DE19532819A1 true DE19532819A1 (en) 1997-03-13

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DE1995132819 Withdrawn DE19532819A1 (en) 1995-09-06 1995-09-06 Mfr. of fibreboards with patterned surfaces

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