EP3140130A1 - Procédé de fabrication de panneaux dérivés du bois décorés et lambris, en particulier lambris de plancher, fabriqué à partir de panneaux dérivés du bois, et utilisation d'un panneau dérivé du bois fabriqué par ce procédé - Google Patents

Procédé de fabrication de panneaux dérivés du bois décorés et lambris, en particulier lambris de plancher, fabriqué à partir de panneaux dérivés du bois, et utilisation d'un panneau dérivé du bois fabriqué par ce procédé

Info

Publication number
EP3140130A1
EP3140130A1 EP15721577.3A EP15721577A EP3140130A1 EP 3140130 A1 EP3140130 A1 EP 3140130A1 EP 15721577 A EP15721577 A EP 15721577A EP 3140130 A1 EP3140130 A1 EP 3140130A1
Authority
EP
European Patent Office
Prior art keywords
layer
primer
resin
wood
drying
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15721577.3A
Other languages
German (de)
English (en)
Other versions
EP3140130B1 (fr
Inventor
Frank Oldorff
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.)
Flooring Technologies Ltd
Original Assignee
Flooring Technologies Ltd
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 Flooring Technologies Ltd filed Critical Flooring Technologies Ltd
Priority to PL15721577T priority Critical patent/PL3140130T3/pl
Priority to HRP20202079TT priority patent/HRP20202079T1/hr
Publication of EP3140130A1 publication Critical patent/EP3140130A1/fr
Application granted granted Critical
Publication of EP3140130B1 publication Critical patent/EP3140130B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
    • 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
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres
    • 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
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • 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
    • 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
    • B44C5/0476—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 with abrasion resistant properties
    • 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
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/102—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials of fibrous or chipped materials, e.g. bonded with synthetic resins
    • 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
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/0041—Digital printing on surfaces other than ordinary paper
    • B41M5/0076—Digital printing on surfaces other than ordinary paper on wooden surfaces, leather, linoleum, skin, or flowers

Definitions

  • the invention relates to a method for producing a decorated wood-based panel and a panel made of the wood-based panel, and to the use of a wood-based panel produced by the method.
  • WO2012 / 037950 A1 discloses a method for producing panels with the following steps: a) spreading glued wood fibers or wood shavings into a wood material cake,
  • CONFIRMATION COPY at least partially penetrated into the upper edge layer of the carrier plate and at least partially penetrates and anneals the region of the pressed skin
  • WO 2013/165307 A2 discloses a method for producing a decorative wood-based panel, in which, as in the aforementioned publication, a primer is applied to the upper side of the wood-based panel before the paint is applied.
  • a primer is applied to the upper side of the wood-based panel before the paint is applied.
  • an aqueous solution containing at least one metal salt can be used as the primer.
  • the primer is applied to the top by means of a digital printer.
  • An aqueous ink is then applied to the primer layer.
  • EP 1 454 763 A2 discloses a method for finishing a wood or wood-based panel, in particular MDF or HDF panel having a top side and a bottom side, in which first a sealing layer of melamine resin is applied to the top side of the panel, on the sealing layer a decor printed on the decor and then a protective layer of melamine resin is applied. Subsequently, the structure of the plate is pressed under the action of temperature until the protective layer and the sealing layer melt and connect to each other, including the printed decoration.
  • DE 195 32 819 A1 discloses a method for producing a wood-based panel with an optically shapeable surface, in which a primer, a seal, a printing base and a decor print are successively applied to the wood-based panel.
  • the printing base is built up from a primer coloring or a primer of a paint seal and a surface finish.
  • gravure cylinders can be printed on the printing base a decorative print, for example in a two-color print.
  • a multilayer acrylate UV varnish which is curable by means of UV light, can be applied to this print.
  • DE 197 51 1 15 A1 discloses a method for coating a panel, in which at least one color layer is applied to the surface by means of a printing method, in particular by screen printing.
  • the surface may be untreated, ground or pretreated, in particular painted.
  • the applied paint layer can be covered by a clear coat.
  • the primer used is an aqueous melamine resin which is applied to the primer in several layers.
  • This primer contains 40% to 50% water, which must be dried out after application.
  • the individual layers of the primer must be applied thinly. Before the next layer is applied, the previously applied layer must be dried. the.
  • up to four layers must be applied. Since each applied layer must be dried, a dryer section must be provided behind the application unit.
  • infrared emitters are used for drying.
  • the energy consumption for this is very high, the space required for the dryer section and the associated equipment costs are immense.
  • the aqueous melamine resin is conveyed from a container onto an applicator roll, from where excess resin is scraped off and returned to the container. Then the primer layer is applied thinly to the primer over the roller.
  • the melamine resin of the primer which gets in contact with the ambient air, becomes encrusted over time.
  • the application unit with its feeders and discharges must be cleaned regularly. For this purpose, the system must be turned off and disassembled. The cleaning of the application unit is done manually. In a typical manufacturing facility, cleaning intervals of two times a week are scheduled for about three hours and once every 24 hours. During this time, the entire coating plant stands still and to clean four coating units, about 10 people are needed so that the system can be restarted after 24 hours.
  • the personnel costs associated with the maintenance work are, as explained above, also very high. To complicate matters with regard to the process, the system must be replaced after each work has to be started again. The retraction of the coating system after restarting is time consuming.
  • the cleaning agent used in the cleaning of the coating units is contaminated with the primer and has to be disposed of as hazardous waste in order to exclude an environmental impact, which causes a further cost burden.
  • the invention provides that a water-based ink is used as the base color, which is applied by means of a digital printer to the dried primer, and that the resin is applied liquid for sealing.
  • an ink jet printer is used as the digital printer.
  • the inkjet printer further has the advantage that it can be equipped with an automatic cleaning of the inkjet nozzles.
  • the inkjet nozzles can be hermetically sealed. An encrustation of the water-based color is thereby excluded. Only when the inkjet printer is shut down can encrustations in the nozzle occur, which can be removed quickly by a solvent. Decontaminated liquid accumulates only to a very small extent.
  • the base color is preferably pigmented white, and is more preferably applied in a single layer only.
  • the water input into the production process is thus significantly reduced, so that a single dryer is sufficient to dry the applied base coat.
  • the construction costs for the production plant are thereby significantly reduced. Since virtually no manual cleaning is necessary, the downtime of the system during maintenance is eliminated. Maintenance personnel to clean the system is no longer needed and the production time for the wood-based panel significantly increased by the shortened dryer zone. Overall, the production process is not only simplified, but enormously cheaper, which increases the competitiveness of the plate manufacturer.
  • the decor can preferably be applied to the base color layer by means of at least one pressure roller. But it can also be arranged in succession several pressure rollers. Also, the decor can be applied by means of a digital printer, in particular an inkjet printer, and it is also advantageous if the decor is applied in only a single layer, which also reduces the dryer section and dryer time during decor printing, which further shortens the production time becomes.
  • the digital printer is mounted above a conveyor belt with which the wood-based panel is transported in a transport direction.
  • There may be, in particular when using an inkjet printer, multiple printheads with a plurality of nozzles be provided, which are arranged parallel to each other.
  • the printheads may be stationarily disposed across the transport means or oscillated across the platen transversely of the transport direction to apply the primer and / or the decor.
  • a primer is preferably printed as a printing base for the decor.
  • the primer is preferably transparent.
  • the liquid resin for the primer and the seal is made aqueous.
  • the sealant-forming resin can be enriched with abrasion-resistant particles, glass and / or cellulose.
  • a surface structure is formed during the pressing of the carrier plate, which is preferably at least partially brought into conformity with the decor ("synchronous pore").
  • a panel, in particular a floor panel, consisting of a core of a split wood-based panel produced by the above-described method is characterized by the following features: a) a top, a bottom and two pairs of opposite side edges,
  • the top side and the bottom side of the core have a pressed skin produced during the pressing
  • a primer layer at least on the press skin on the upper side are a primer layer, one of a variety of white color dots best- applied color layer, at least one decorative layer and an abrasion-resistant layer,
  • the primer layer has penetrated at least partially into the press skin at the top
  • the support plate is preferably pressed with the topcoat applied primer, the base color, the decor and the seal and with a bottom side applied counter-pull under the action of pressure and temperature.
  • the values for the pressure and the temperature correspond to the values usually used in the laminate production.
  • the wood-based panel is preferably an MDF, HDF or chipboard. Between the color layer and the decorative layer, a transparent primer layer is preferably arranged.
  • glued wood fibers or wood shavings are sprinkled into a wood-based cake.
  • This wood-based material cake is then pressed under an increased influence of temperature to a support plate which is provided to press-bright and at least on one of its upper sides has a formed during their production press skin.
  • These carrier plates which have a size of about 5.60 mx 2 m, are first stacked until they are introduced into the further coating operation.
  • the press skin can be sanded or partially ground from the top.
  • the bottom of the support plate is provided with a press skin, these can also be abraded on or at least partially.
  • the sanding or sanding of the press skin is not absolutely necessary. It can also be left untreated.
  • the surface must be dust-free at least for further treatment and therefore be cleaned if necessary.
  • the thus pretreated carrier plate is then transported under an infrared emitter, so that it heats up.
  • a primer is applied from a liquid resin on Melaminba- sis on the press skin of the support plate, wherein the resin at least partially penetrated into the upper edge layer of the top of the support plate and thereby at least partially penetrates the skin and annealed.
  • This primer is then dried.
  • a nozzle dryer is used, under which the carrier plate is conveyed through.
  • an infrared emitter can also be used.
  • the dried primer is then applied by means of a digital printer, which is preferably an ink jet printer, a water-based base paint instead of a primer.
  • the base color is white pigmented and applied to the primer in a single coat.
  • the color dots of the digital printer can be in size and Can be set so that the amount of ink needed to create a closed surface as a primer layer that is uniform in white color and therefore immediately suitable for subsequent decor printing can be accurately adjusted.
  • This primer layer is then dried, wherein here again preferably a nozzle dryer, or optionally an infrared emitter, is used, under which the plate is conveyed through.
  • a transparent primer for the subsequent decor pressure is preferably applied to the dried base color layer.
  • the whiteness of the base color layer is measured so that the decor pressure or the printer used for the decorative printing can optionally be controlled according to the degree of whiteness.
  • the decor is then printed.
  • printing units can consist of a plurality of successively arranged pressure rollers, with which different colors are printed.
  • a wood decor is printed in four-color printing, but also any other type of decors can be provided.
  • a digital printer preferably an inkjet printer, can be used, with which the decoration can be applied in a single layer.
  • the decorative layer is dried. Again, preferably an infrared emitter is used under which the carrier plate is conveyed through again.
  • the thus coated carrier plates can then be first stacked before they are fed to a further coating.
  • the dried cover layer is intended to protect the decorative layer when the plates are stacked on top of each other.
  • the carrier plates thus coated can then be coated with a liquid overlay, ie a sealing layer consisting of a melamine-based liquid resin, and the entire coating structure can subsequently be combined with the carrier plate in a short-cycle press under high pressure and high temperature to form a finished laminate be pressed.
  • This liquid resin can be enriched with abrasion-resistant particles and cellulose fibers.
  • the covering layer applied to the decorative layer can be dispensed with and the liquid overlay can be applied to the decorative layer immediately.
  • the coating of the carrier plate with the liquid overlay is described for example in EP 2 338 693 B1.
  • a first upper resin layer containing corundum particles is applied to the cleaned surface. The corundum particles in the first upper resin layer increase the abrasion resistance of this layer.
  • the corundum for example, is present as a mixture of customary silanized corundum of different grain size and can easily be added to the resin.
  • a water-based melamine resin is also used here.
  • a first lower corundum-free resin layer is applied, whereby the By the first upper resin layer acting on the wood-based panel tensile forces are compensated.
  • the first lower resin layer may be colored.
  • Additives may be added to both resin layers, such as hardeners, wetting agents or release agents.
  • the first upper resin layer and the first lower resin layer are dried to ensure the clean application of a next resin layer.
  • the drying is carried out, for example, by means of hot air under a jet dryer or an infrared radiator, wherein the resin is dried and the chemical crosslinking reaction of the melamine resin is stopped.
  • the drying can be done as already explained by infrared emitters.
  • the chemical crosslinking reaction is stopped, and the coating is deprived of water until it is adjusted to a residual moisture content of about 3% to 6%.
  • a second resin layer is then applied to the first upper and lower resin layers, with the resin layer applied to the top containing cellulose. The second resin layers are then dried to a residual moisture of 3% to 6%.
  • a third resin layer may be applied, wherein the resin layer applied to the upper side may contain glass particles.
  • the third resin layer which is then applied to the top and the bottom of the carrier plate, is also dried to a residual moisture of 3% to 6%.
  • the layer structure thus produced is then pressed under pressure and temperature influence in a short-cycle press with the carrier plate.
  • the cellulose present in the second upper resin layer is present in commercial fibers which may also be added to the resin layers to be applied.
  • the introduced in the third upper resin layer glass is available as commercially available glass microspheres. These can also be easily stored and introduced into the applied resin layer.
  • the resin layers applied to the underside of the wood-based panel may be colored. All resin layers can be added with additives such as hardeners, wetting agents and release agents. By drying to a residual moisture content of 3% to 6%, the crosslinking process of the applied resin layers is prevented. During subsequent compression under pressure and temperature conditions, the resin layers melt again and the crosslinking process continues. This ensures that the individual resin layers can be crosslinked not only in themselves, but also with each other and so can be pressed into a large laminate.
  • Conventional short-cycle presses operate, for example, at a pressure of 30 bar to 60 bar, a temperature at the wood-based material surface of 165 ° C and a process time of 6s to 12s.
  • the applied melamine resin layers are crosslinked under the influence of the decoration.
  • the decor is thus enclosed in the resin layers.
  • structured press plates are used, structures in the resin layers can be imprinted in addition to the decor. These can be formed largely congruent to the decor. In this case we speak of embossed-in-register structures.
  • the third upper resin layer preferably contains 20% glass particles.
  • the second top resin layer about 5% cellulose has been found to be advantageous.
  • the first upper resin layer contains in particular 2% corundum particles.
  • the upper resin layers and the lower resin layers are applied in an amount of 20 g / m 2 to 50 g / m 2 .
  • the applied to the underside of the wood-based panel return corresponds so in the layer structure and the respective layer thickness exactly applied to the top layer sequence.
  • the primer and decor layer on the top does not develop traction forces that need to be balanced.
  • the upper resin layers and the lower resin layers may contain a 60% resin solution.
  • An apparatus for refining a decorated wood-based panel comprises: a) a first double-application apparatus,
  • each double application device comprises an upper applicator for applying a resin layer to the top of the wood material panel and a lower applicator for applying a resin layer on the underside of the wood material panel and each upper applicator and each lower application device each having a mixing container into which the respective resin to be applied with at least an additive is miscible.
  • a device provided with the decor to be refined wood-based panels are introduced.
  • the top and bottom of the wood-based panel are simultaneously coated with a resin layer. This shortens the production time and thus reduces the manufacturing costs.
  • the double application devices drying devices in which the just coated wood-based panels are dried down to the desired residual moisture, for example by hot air, the application of the first resin layer is quickly made possible and prevented the crosslinking process of the applied resin layers early. Interim storage of the coated wood-based panels for drying the resin layers or turning the wood-based panels around the other side for coating is no longer necessary.
  • each upper application device and each lower applicator device has a mixing container, in which the resin to be applied in each case is miscible with the desired additives, in particular quickly between different product requirements, such as the desired abrasion class, back and forth regulated.
  • a lengthy conversion or the provision of large amounts of various resin-additive mixtures is eliminated.
  • both the quantities of material to be kept and the space requirement of the system are significantly reduced.
  • the adaptation of different product properties, such as surface smoothness, acid or abrasion resistance can be done quickly and easily.
  • the use of highly reactive resin mixtures is possible because no intermediate storage of the coated wood-based panels is more necessary but continuous processing takes place.
  • a device preferably has a storage battery with a plurality of storage containers in which the resin to be applied and the additives can be stored separately from one another, and feed lines from the storage containers to the mixing containers. Thereby, the resin and the additives can be fed separately into the mixing container and mixed there to the desired resin layer to be applied.
  • the apparatus may comprise a controller arranged to control the amount of resin passed through the feed lines into the mixing vessels and the additives. This allows automatic adaptation of different product properties and order quantities or additions.
  • Each upper applicator and each lower applicator can be an order mill. This ensures a constant and finely adjustable layer thickness.
  • the applied layers are applied very homogeneously and uniformly in this way.
  • peristaltic pumps may be provided. This increases the service life of the device by up to 20 times compared to the use of diaphragm pumps.
  • the hoses of the peristaltic pumps can be easily and quickly replaced if necessary by a quick-change system, whereby the maintenance and repair times of the device can be significantly reduced.
  • each double application device Before each double application device can preferably be arranged at least one hold-down for the wood-based panel.
  • deformations of the wood-based panel occurring during production can be remedied and the wood-based panel to be coated can be fed precisely and reproducibly to the respective double-application apparatus.
  • a Spitzlaschentransport In the form of Spitzlaschentransport- used, which are themselves robust and insensitive to interference and secure a high surface quality of the coated wood-based panel.
  • the pointed tabs can be automatically cleaned with cleaning brushes.
  • roller discs The transfer of a wood-based panel from a double application device on the transport chain and vice versa takes place by means of roller discs.
  • the already described hold-down devices in the form of roller disks are additionally used.
  • a device for refining a wood-based panel may have further double-application devices with which the total layer thickness and the number and proportions of the functional additives can be increased. This can also produce products that can be declared in higher usage classes. The same applies to the inventive method in which also more than three resin layers can be applied to the top and bottom of the wood-based panel to be coated.
  • the carrier plate is preferably an MDF, HDF or chipboard.
  • the thickness of the carrier plate preferably has a thickness of between 4 mm and 12 mm, in particular a thickness of 5.8 mm.
  • the press skin has a thickness of about 0.2mm.
  • the wettability of the surface of the press-thin support plate is adjusted by the fact that an additive can be given up prior to pressing on the upper side of the wood-based material cake. This additive is then preferably applied immediately before the shrinkage of the wood-based cake in the hot press (for example, a Conti-press).
  • the additive may be a surfactant or consist of surfactants and other ingredients. In particular, it is in liquid form. Besides surfactants, biocides, stabilizers and / or polymers may also be added to the additive. The proportion of surfactants is preferably greater than 90%. Practical tests have shown that a good effect is achieved if the additive is applied in an amount of 1 to 30 mg / m 2 evenly distributed on the surface of the wood-based material
  • a plurality of panels can be packaged in a container.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Finished Plywoods (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Laminated Bodies (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Floor Finish (AREA)

Abstract

L'invention concerne un procédé de fabrication de panneaux dérivés du bois décorés, comprenant les étapes suivantes : a) épandage de fibres ou copeaux de bois encollés de façon à former un gâteau de matériau dérivé du bois ; b) compression du gâteau de matériau dérivé du bois sous l'influence d'une température élevée pour former un plateau substrat, obtenu brut de pressage, qui comporte au moins sur une de ses faces supérieures une peau de pressage formée lors de sa fabrication ; c) dépôt d'un apprêt, constitué d'une résine liquide à base de mélamine, sur la peau de pressage, de préférence non traitée, de la face supérieure du plateau substrat, la résine pénétrant au moins en partie dans la couche superficielle supérieure du plateau substrat et traversant au moins en partie et améliorant ainsi la peau de pressage ; d) séchage de l'apprêt ; e) dépôt d'une couleur de fond sur la couche d'apprêt ; f) séchage de la couleur de fond, g) dépôt d'au moins une encre d'impression à base aqueuse enrichie en pigments colorés sur la couleur de fond séchée afin de produire un décor ; h) séchage du décor ; i) dépôt sur la couche décor d'une imperméabilisation constituée d'au moins une résine à base de mélamine ; j) séchage de l'imperméabilisation ; k) compression du plateau substrat doté de l'apprêt, de la couleur de fond, du décor et de l'imperméabilisation déposés sur la face supérieure ainsi que d'un revêtement croisé déposé sur la face inférieure sous l'action d'une pression et d'une température afin de former un stratifié. L'invention est caractérisée en ce que la couleur de fond utilisée est une encre à base aqueuse qui est déposée sur l'apprêt séché au moyen d'une imprimante numérique et en ce que la résine utilisée pour l'imperméabilisation est déposée sous forme liquide.
EP15721577.3A 2014-05-09 2015-05-08 Procédé de fabrication de panneaux dérivés du bois décorés et lambris, en particulier lambris de plancher, fabriqué à partir de panneaux dérivés du bois Active EP3140130B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL15721577T PL3140130T3 (pl) 2014-05-09 2015-05-08 Sposób wytwarzania dekorowanych płyt drewnopochodnych i panel, zwłaszcza panel podłogowy, wytwarzany z płyty drewnopochodnej
HRP20202079TT HRP20202079T1 (hr) 2014-05-09 2015-05-08 Postupak proizvodnje dekoriranih ploča na bazi drva, te panel proizveden iz ploče na bazi drva, osobito podni panel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14001642.9A EP2942207B1 (fr) 2014-05-09 2014-05-09 Procédé de fabrication de plaques en bois décorées et panneau de sol fabriqué à partir de celles-ci
PCT/EP2015/000942 WO2015169450A1 (fr) 2014-05-09 2015-05-08 Procédé de fabrication de panneaux dérivés du bois décorés et lambris, en particulier lambris de plancher, fabriqué à partir de panneaux dérivés du bois, et utilisation d'un panneau dérivé du bois fabriqué par ce procédé

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EP3140130A1 true EP3140130A1 (fr) 2017-03-15
EP3140130B1 EP3140130B1 (fr) 2020-10-07

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EP18172119.2A Withdrawn EP3378675A1 (fr) 2014-05-09 2014-05-09 Procédé de fabrication de plaques en bois décorées et panneau de plancher fabriqué à partir de plaques en bois décorées
EP14001642.9A Active EP2942207B1 (fr) 2014-05-09 2014-05-09 Procédé de fabrication de plaques en bois décorées et panneau de sol fabriqué à partir de celles-ci
EP15721577.3A Active EP3140130B1 (fr) 2014-05-09 2015-05-08 Procédé de fabrication de panneaux dérivés du bois décorés et lambris, en particulier lambris de plancher, fabriqué à partir de panneaux dérivés du bois

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EP18172119.2A Withdrawn EP3378675A1 (fr) 2014-05-09 2014-05-09 Procédé de fabrication de plaques en bois décorées et panneau de plancher fabriqué à partir de plaques en bois décorées
EP14001642.9A Active EP2942207B1 (fr) 2014-05-09 2014-05-09 Procédé de fabrication de plaques en bois décorées et panneau de sol fabriqué à partir de celles-ci

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US (1) US10059030B2 (fr)
EP (3) EP3378675A1 (fr)
CN (1) CN106457602B (fr)
CA (1) CA2948202C (fr)
DK (1) DK2942207T3 (fr)
ES (2) ES2683714T3 (fr)
HR (2) HRP20202079T1 (fr)
PL (2) PL2942207T3 (fr)
PT (2) PT2942207T (fr)
RU (1) RU2678393C2 (fr)
UA (1) UA119346C2 (fr)
WO (1) WO2015169450A1 (fr)

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DE102016008548A1 (de) * 2016-07-11 2018-01-11 Staedtler Mars Gmbh & Co. Kg Holzwerkstoff mit Beschichtung und Verfahren zu dessen Herstellung
PL3421200T3 (pl) * 2017-06-30 2020-09-21 SWISS KRONO Tec AG Płyta drewnopochodna z pustymi kulkami
WO2019185887A1 (fr) 2018-03-29 2019-10-03 SWISS KRONO Tec AG Plaque décorative pouvant être décapée
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Also Published As

Publication number Publication date
HRP20181299T1 (hr) 2018-10-05
EP2942207B1 (fr) 2018-07-04
PT3140130T (pt) 2020-12-07
DK2942207T3 (en) 2018-10-08
PL2942207T3 (pl) 2018-11-30
PL3140130T3 (pl) 2021-06-14
RU2016140386A3 (fr) 2018-12-03
RU2016140386A (ru) 2018-06-09
CA2948202C (fr) 2021-06-15
CN106457602B (zh) 2019-12-03
HRP20202079T1 (hr) 2021-02-19
US10059030B2 (en) 2018-08-28
EP3140130B1 (fr) 2020-10-07
US20170120474A1 (en) 2017-05-04
RU2678393C2 (ru) 2019-01-28
PT2942207T (pt) 2018-10-08
WO2015169450A1 (fr) 2015-11-12
EP3378675A1 (fr) 2018-09-26
CA2948202A1 (fr) 2015-11-12
EP2942207A1 (fr) 2015-11-11
ES2683714T3 (es) 2018-09-27
UA119346C2 (uk) 2019-06-10
CN106457602A (zh) 2017-02-22
ES2833160T3 (es) 2021-06-14

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