EP1761400B1 - Panneau dote d'une surface decorative - Google Patents

Panneau dote d'une surface decorative Download PDF

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Publication number
EP1761400B1
EP1761400B1 EP05755993A EP05755993A EP1761400B1 EP 1761400 B1 EP1761400 B1 EP 1761400B1 EP 05755993 A EP05755993 A EP 05755993A EP 05755993 A EP05755993 A EP 05755993A EP 1761400 B1 EP1761400 B1 EP 1761400B1
Authority
EP
European Patent Office
Prior art keywords
coat
primer
contact surface
decor
synthetic resin
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.)
Active
Application number
EP05755993A
Other languages
German (de)
English (en)
Other versions
EP1761400A2 (fr
Inventor
Raimund Hagspiel
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 Egger GmbH and Co OG
Original Assignee
Fritz Egger GmbH and Co OG
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 Fritz Egger GmbH and Co OG filed Critical Fritz Egger GmbH and Co OG
Priority to PL05755993T priority Critical patent/PL1761400T3/pl
Publication of EP1761400A2 publication Critical patent/EP1761400A2/fr
Application granted granted Critical
Publication of EP1761400B1 publication Critical patent/EP1761400B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings
    • 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
    • B44C5/043—Ornamental plaques, e.g. decorative panels, decorative veneers containing wooden 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
    • 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
    • B05D2203/00—Other substrates
    • B05D2203/20—Wood or similar material
    • 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
    • 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
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings
    • B41M5/5263—Macromolecular coatings characterised by the use of polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • B41M5/5281—Polyurethanes or polyureas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/0027—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or layers by lamination or by fusion of the coatings or layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/0045—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or film forming compositions cured by mechanical wave energy, e.g. ultrasonics, cured by electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams, or cured by magnetic or electric fields, e.g. electric discharge, plasma
    • 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
    • E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members

Definitions

  • the present invention relates to a method of making a panel having a decorative surface, the panel being made of a lignocellulosic material-based support material, such as a sheet metal. Chipboard, OSB board or fiber board is made. Likewise, the invention relates to a plate, in particular for use as a floor panel or furniture panel, with a surface having a decor.
  • decorative surfaces are achieved on said substrates by coating with printed papers.
  • These processes typically use a plurality of papers impregnated with synthetic resin, preferably melamine, melamine / urea or phenolic resins. At elevated pressure and temperature, these are then pressed either directly (Direct Pressure Laminate (DPL)) or only after their processing into a laminate with the substrate (High Pressure Laminate (HPL) or Continuous Pressure Laminate (CPL)).
  • DPL Direct Pressure Laminate
  • HPL High Pressure Laminate
  • CPL Continuous Pressure Laminate
  • the papers containing the décor can be freely designed in their color, printed with any desired decors such as wood decors, tile or stone decors, fantasy decors and all other conceivable motifs and patterns.
  • the coated materials in the floor area may be for the use of the coated materials in the floor area or, for example, when used for tabletops be necessary to equip the impregnated papers (laminates) with hard solid particles to achieve appropriate resistance to superficial wear.
  • particles of quartz, nitrides and carbides SiO 2 and corundum ( ⁇ -Al 2 O 3 ) are known. Recently, however, the use of very small particles of glass or diamond has become known here.
  • a layer provided for a subsequent grinding can be applied between the sealing layers.
  • the systems used can be based on organic solvents or else be water-based.
  • An advantage of printing on the plates, rather than laminating the plates with a laminate, is that a counteracting layer on the back of the plate can be avoided. As a result, the production costs can be further reduced.
  • the quality of the printed image is impaired by the fact that the roughness of the surface leads to a bleeding of the individual pixels. Even if, for example, it has been printed with a resolution of 54 dots per cm or 2,916 dots per cm 2 , the picture shows a lower resolution, since the pixels are no longer clearly separated from each other.
  • a method for producing a plate with a surface having a decoration wherein the plate consists in particular of a chipboard. It is the one with a decor too primed surface of the plate and then sanded. The primed and ground surface is then printed by means of pressure rollers in offset printing with a wood decor. After printing, the surface is sealed with a liquid synthetic resin.
  • the U.S. Pat. No. 6,565,919 discloses a method of printing a plate, in particular a clamping plate with a wood decor. Again, the provided with a wood decor surface of the plate is primed and sanded. The application of the wood decor on the primed and ground surface is done by means of a digital printing process.
  • the printer used is an electrostatic printer or an inkjet printer, the resolution of the printed image being in the range of approximately 300 to 800 dpi. After printing, the surface is sealed with a synthetic resin (eg acrylic or epoxy resin).
  • the present invention is based on the technical problem of providing a method by means of which decorative surfaces having improved optical properties can be inexpensively achieved on plates of a carrier material based on lignocellulosic material by direct printing.
  • the aim is to produce optical properties of such quality that the panels produced from them can also be used in areas that have to meet increased optical requirements due to their exposure.
  • paint layers are to be avoided in whole or in part in order to minimize manufacturing costs and production costs.
  • a smoothing of the surface by means of a smoothing device is provided prior to printing on the carrier material based on lignocellulosic material.
  • the smoothing device equalizes any irregularities in the surface after priming and thus achieves an optimally flat surface.
  • the printing substrate ie the primed surface
  • the printing substrate is thus characterized by an improved suitability for achieving a high-quality printing quality, which in addition to the regularity and reproducibility also in a particularly good sharpness and brilliance of the printed image.
  • a resolution achievable with the method according to the invention of greater than or equal to 60 points per cm or 3,600 points per cm 2 is specified.
  • a resolution of greater than or equal to 70 points per cm or 4,900 points per cm 2 can be achieved.
  • the smoothing be carried out shortly before printing, ie in particular within a period of time of less than 1 minute, preferably less than 10 seconds and preferably less than 5 seconds before printing.
  • the contact between the surface to be smoothed and the contact surface is preferably over the entire surface. Therefore, the entire surface to be smoothed is brought into contact with the contact surface. It is advantageous that the entire surface is brought evenly into contact with the contact surface.
  • the contact surface is formed substantially flat in a first embodiment, so that at least in each case a flat portion of the surface with the Contact surface comes into contact. This method thus offers itself in a clocking process.
  • the roll technology is therefore suitable for continuous processes.
  • Such a roller can be driven with the aid of suitable drive means, for example by means of a motor, and exert a relative movement to the machined surface by rotation in co-rotation or counter-rotation.
  • Another possibility for achieving the desired ironing effect is to arrange the heatable rollers at an angle, so that their axis of rotation extends in another than at right angles to the direction of movement of the surface to be treated.
  • a relative movement of the surfaces in contact can be achieved, which will be different depending on the degree of rotation axis deviation.
  • the occurring steering effects due to the inclination of the roller must be taken into account when transporting the plate.
  • a similar effect can be achieved with rollers oscillating along the axis. This increases the uniformity of the smoothing, in particular in connection with a rotation of the roller.
  • a positive guidance of the plate is advantageous in order to allow a controlled guiding of the plate and to prevent slipping of the plate.
  • the applied contact pressure which is exerted by the smoothing device on the surface to be treated, is preferably kept constant during the application of the method.
  • the contact pressure is adapted to this at least as a function of the design of the smoothing device, the selected relative speed between the smoothing device and the plate, the type of carrier material, the composition of the primer and the feed rate. Proven combinations of these parameters can be stored electronically, which can be adjusted automatically when changing the feed rate or another parameter, all others.
  • the result of the smoothing is also influenced by the design of the contact surface of the smoothing device.
  • metallic materials coated metals can also be used, with coatings based on Teflon having proven suitable as coatings.
  • hard chromium-plated or nickel-plated metal surfaces or plastics or coated plastics can be used. This gives a high surface smoothness with favorable thermal properties, which can be achieved with a good ironing effect.
  • the surface smoothness of the smoothing tool can be characterized with values of 0.06 to 6 ⁇ m roughness.
  • the invention has been described in terms of smoothing one or more layers. In the following, a further aspect of the invention will be discussed, which also improves the quality of the painted plate. This involves the replacement of one or more primer, color and / or lacquer layers by a synthetic resin, which preferably consists of a polyurethane-based synthetic resin system.
  • At least one primer layer is applied as a synthetic resin layer.
  • the order quantities are from 40 to 100 g / m 2 .
  • the exact order quantities depend on the surface to be coated and the synthetic resin used.
  • a resin system based on polyurethane is applied as the synthetic resin.
  • This type of resin system is known and has already proven itself in other applications.
  • other systems may also be used, for example those based on epoxy resins or polyester resins.
  • a bonding agent is applied to the surface to be printed in front of the at least one primer layer of synthetic resin.
  • the connection of the synthetic resin to the surface of the carrier material could be improved.
  • An advantage of using a resin system for the primer layer is that the resin layer itself can be color matched to the primer color to be achieved. Thus, one obtains a finished primer for the subsequent printing of the decor in one step.
  • the coloring of the resin is difficult to adjust.
  • a further primer layer of a coloring lacquer is applied. This application can be more reliable and, if necessary, less expensive than coloring the synthetic resin itself.
  • Another advantage of using a synthetic resin layer as a primer is the ability of the resin to be smoothed in a simple manner. For smoothing a method is used, which has already been explained above.
  • this layer is made of a synthetic resin. Since the cured synthetic resin layer has good abrasion values and hardness values, the use of a synthetic resin layer as a sealing layer largely avoids the expensive UV-curable coatings containing microparticles or nanoparticles.
  • values of 40 to 100 g / m 2 are also suitable.
  • the exact order quantities depend on the surface to be coated and the synthetic resin used.
  • sealing layer is also valid that this can be improved by the addition of particles, for example. From corundum, silica or glass, in their abrasion resistance.
  • a further advantage is that the grinding operations required in the application of paints are avoided both in the production of a primer layer and in the production of a sealing layer. Because the synthetic resin layer can be smoothed without a subsequent grinding so that the resulting surface meets the requirements.
  • the omission of the grinding processes means in particular for the process a significant advantage, because the resulting dusts need not be removed and disposed of, but the material loss occurring during grinding is completely avoided. In particular, the grinding of the paints has led to an expensive loss of material, which completely avoids the invention.
  • a lacquer layer containing particles preferably a lacquer layer having corundum particles
  • the cost advantage is given up in this case to a part, but the abrasion resistance is increased, so that the method is also suitable for the production of plates with particularly high demands.
  • the paint layer however, it does not have to be ground before the resin layer is applied.
  • the lacquer layer is preferably cured with UV radiation. Furthermore, the lacquer layer has particles with an average particle size of 1 to 100 ⁇ m.
  • a particle-containing lacquer layer is applied, which is preferably cured with UV radiation and in particular contains particles having an average size of 100 nm to 1 ⁇ m (nanoparticles).
  • the particles are preferably made of mineral-based materials such as silica or glass. It is therefore a so-called nano-lacquer.
  • this embodiment of the method has been found to be advantageous for applications with particularly high demands on the surface hardness, even if a part of the cost advantage described above is abandoned.
  • a further embodiment of the method is that the surface of the sealing layer or the lacquer layer is provided with a surface structure.
  • a surface structure can be created that is in accordance with the decorative image.
  • wood patterns can be imitated faithfully if both the optical pattern matches the haptic pattern.
  • a plate with a lignocellulosic material based carrier material with a primer layer having a surface and with a dissolved on the primer layer printed decor, wherein the primer layer has a surface roughness of less than 15 microns.
  • a roughness depth of less than 10 microns in which case the requirements for the smoothing tools and their application are increased. With a particularly good setting, even a surface roughness of 6 to 8 ⁇ m can be achieved.
  • This low roughness is produced by the above-described smoothing process according to the invention.
  • the low roughness allows an unprecedented image quality.
  • the printed image has a resolution of greater than or equal to 60 dots per cm, preferably greater than or equal to 70 dots per cm.
  • the high print quality is achieved by the application of the method according to the invention described above.
  • the print quality is achieved by the previously explained low roughness of the surface of the primer layer.
  • the primer layer of the plate according to the invention consists at least partially of a synthetic resin.
  • the synthetic resin preferably consists of a polyurethane-based synthetic resin system.
  • a number of steps are avoided on the one hand in the manufacture of the plate.
  • the previously expensive materials are replaced by a cheaper material.
  • the synthetic resin to the carrier material is preferably between the support material and the existing of synthetic resin primer layer consisting of a bonding agent layer arranged.
  • the primer layer made of synthetic resin may be color-matched to the primer color to be achieved. This allows a direct printing of the primer layer, without the need for another layer. However, this is only possible as far as that the resin can be colored with the desired color.
  • a primer consisting of a lacquer is arranged on the primer layer consisting of synthetic resin.
  • the existing of a conventional primer primer can be easily adapted to the desired color.
  • the sealing layer of the plate according to the invention consists at least partially of a synthetic resin.
  • the synthetic resin is preferably made of a polyurethane based resin system.
  • the primer layer can be made of a synthetic resin system.
  • the hardness and abrasion resistance of the resin are sufficient for a variety of plate applications without the need for a UV-curable sealer. For a variety of applications, these properties are sufficient and the manufacturing cost of the board can be reduced.
  • a particle-containing lacquer layer preferably a corundum particle
  • This lacquer layer preferably has particles with an average particle size of 1 to 100 ⁇ m. Even larger particle sizes are possible.
  • a particle-containing lacquer layer can be arranged on the sealing layer made of synthetic resin, wherein here too the lacquer layer can be cured with UV radiation.
  • the lacquer layer preferably has particles with a mean size of 100 m to 1 ⁇ m. This additional layer can be used to improve surface hardness and abrasion resistance for special applications.
  • the surface of the sealing layer or the lacquer layer has a surface structure.
  • a match between the optical pattern and the haptic pattern can be achieved.
  • an already ground medium density fibreboard (MDF board) with a thickness of 5.8 mm and a density of about 660 to 900 kg / m 3 in a system in which successively primer, filler, primer, printing ink and seal can be applied, retracted.
  • MDF board medium density fibreboard
  • a brushing station which removes any impurities or grinding dust
  • about 15 g / m 2 are applied by means of applicator rolls in a first stage and about 25 g / m 2 of filler in a second stage, wherein an intermediate drying always follows.
  • the primer held in the basic shade of the desired décor is rolled onto the base material of this type, wherein in each case about 15 g / m 2 are applied and again after each application a partial drying follows.
  • a UV-curable coating system is applied in three parts.
  • the first part consists of two corundum-containing layers of about 35 g / m 2 order quantity, each with subsequent intermediate curing. This is followed by a non-corundum UV varnish which, after intermediate curing in a subsequent intermediate sanding with grits 280 and 320, effects an additional leveling of the surface.
  • the final part of the seal then forms an applied again in two stages, provided with corundum particles UV-curable lacquer layer with, for example, 7 and 8 g / m 2 application amount, wherein the corundum particles contained here on average smaller particle sizes than the particles of the previous lacquer layers.
  • every coating application is followed by intermediate hardening. If desired, can to follow this step by embossing a surface profile.
  • the final cross-linking of the various components is effected.
  • the plates obtained are separated after a lying time of about 24 hours for temperature compensation and post-curing in a conventional manner to panels, provided with edge profiles and packaged.
  • the resulting floor panels are characterized by a regular, brilliant appearance and precise contrasts in the decor.
  • a 24 mm thick, sanded chipboard with a density of 590 kg / m 3 is coated in the rolling process with a pigmented hotmelt adhesive.
  • the contact surface here consists of a Teflon-coated steel roller which oscillates over its longitudinal axis at 12 short strokes (about 4 cm) per second with a relative speed of 33 m / s (corresponding to a roll diameter of 350 mm approximately a speed of 1800 min -1 ) in the opposite direction and a contact pressure of 180 N / m moves, the smoothing and thus providing the desired, optimal pressure base instead.
  • the plate Before the final final curing of the coating, the plate is still provided with the aid of an embossing roller with a structure that is intended to cause a lower gloss level, so that grip marks as they are expected in office furniture surfaces, optically less prominent.
  • the gloss level can also be adjusted chemically in the paint itself.
  • the embossing roll can also be used for introducing a Surface profiling can be used to create a consistent with the decor profiling.
  • the resulting decorative surface of the thus treated plate is characterized by the high-quality decorative image, in comparison to the conventional laminate coating, lower resulting production costs.
  • an already ground medium-density fiberboard (MDF panel) with a thickness of 5.8 mm and a density of about 660 to 900 kg / m 3 in a plant in the successively primer, ink and seal can be applied, retracted.
  • a brushing station which removes any impurities or sanding dust
  • a primer made of a polyurethane-based resin system is applied by means of applicator rollers with an application rate of about 70 g / m 2 .
  • the primer layer is applied in the heated state.
  • the synthetic resin has been provided with a coloration before application, so that the resulting primer layer is suitable for direct printing.
  • polished steel rollers with a relative speed of about 0 to 10 m / min and with a contact pressure of about 50 to 100 N / m across the width of Plate of the smoothing process according to the invention.
  • the thus treated plate has over its entire surface a level in color, texture and gloss level surface. Also, no fibers that extend from the substrate into the coating film can be seen.
  • the synthetic resin layer is completely solidified by cooling.
  • hardening can also be achieved by using radiation.
  • a UV-curable coating system is applied in three parts.
  • the first part consists of two corundum-containing layers of about 35 g / m 2 order quantity, each with subsequent intermediate curing. This is followed by a non-corundum UV varnish which, after intermediate curing in a subsequent intermediate sanding with grits 280 and 320, effects an additional leveling of the surface.
  • the final part of the seal then forms an applied again in two stages, with corundum particles Provided UV-curable lacquer layer with, for example, 7 and 8 g / m 2 application amount, wherein the corundum particles contained here have on average smaller particle sizes than the particles of the previous lacquer layers.
  • corundum particles Provided UV-curable lacquer layer with, for example, 7 and 8 g / m 2 application amount, wherein the corundum particles contained here have on average smaller particle sizes than the particles of the previous lacquer layers.
  • every coating application is followed by intermediate hardening. If desired, this step can be followed by embossing a surface profile.
  • the final cross-linking of the various components is effected.
  • the resulting panels are characterized by a regular, brilliant appearance and precise contrasts in the decor.
  • an already ground medium density fiberboard (MDF panel) with a thickness of 5.8 mm and a density of about 660 to 900 kg / m 3 in a plant in the successively primer, filler, primer, ink and sealant can be applied, retracted.
  • MDF panel ground medium density fiberboard
  • On the carrier material thus present is in turn in one step or in two stages in the basic color rolled the desired decor held primer, each about 15 g / m 2 are applied and again after each order followed by a partial drying.
  • polished steel rollers with a relative speed of about 0 to 10 m / min and with a contact pressure of about 50 to 100 N / m across the width of Plate of the smoothing process according to the invention.
  • the thus treated plate has over its entire surface a level in color, texture and gloss level surface. Also, no fibers that extend from the substrate into the coating film can be seen. The fibers can still be recognizable in the surface after smoothing.
  • a sealing layer made of a polyurethane-based resin system is applied by means of applicator rollers.
  • the order quantity is 70 g / m 2 .
  • the polyurethane-based resin is heated to ensure proper processing.
  • polished steel rollers with a relative speed of about 0 to 10 m / min and with a contact pressure of about 50 to 100 N / m across the width of Plate of the smoothing process according to the invention.
  • the thus treated plate has over its entire surface a level in color, texture and gloss level surface. Also, no fibers that extend from the substrate into the coating film can be seen.
  • the synthetic resin layer is completely solidified by cooling.
  • the resulting panels are characterized by a regular, brilliant appearance and precise contrasts in the decor.
  • an already ground medium-density fiberboard (MDF panel) with a thickness of 5.8 mm and a density of about 660 to 900 kg / m 3 in a plant in the successively primer, ink and seal can be applied, retracted.
  • a brushing station that removes any impurities or sanding dust
  • about 70 g / m 2 a primer made of a polyurethane-based resin system applied by applicator rollers. The primer layer is applied in the heated state.
  • the synthetic resin has been provided with a coloration before application, so that the resulting primer layer is suitable for direct printing.
  • polished steel rollers with a relative speed of about 0 to 10 m / min and with a contact pressure of about 50 to 100 N / m across the width of Plate of the smoothing process according to the invention.
  • the thus treated plate has over its entire surface a level in color, texture and gloss level surface. Also, no fibers that extend from the substrate into the coating film can be seen.
  • the synthetic resin layer is completely solidified by cooling.
  • a sealing layer made of a polyurethane-based resin system is applied by means of applicator rollers.
  • the order quantity is 70 g / m 2 .
  • the polyurethane resin is heated to ensure proper processing.
  • polished steel rollers with a relative speed of about 0 to 10 m / min and with a contact pressure of about 50 to 100 N / m across the width of Plate of the smoothing process according to the invention.
  • the thus treated plate has over its entire surface a level in color, texture and gloss level surface. Also, no fibers that extend from the substrate into the coating film can be seen.
  • the synthetic resin layer is completely solidified by cooling.
  • the resulting panels are characterized by a regular, brilliant appearance and precise contrasts in the decor.

Claims (27)

  1. Procédé pour la fabrication d'un panneau doté d'une surface, qui présente un décor, en particulier un décor de bois, le panneau consistant en un support à base de cellulose de bois,
    - dans lequel la surface, qui doit être dotée d'un décor, est pourvue d'une couche de fond,
    - dans lequel la surface pourvue d'une couche de fond est planée, sans meulage, par mise en contact avec au moins une surface de contact tempérée d'un dispositif de lissage, de sorte que la surface pourvue d'une couche de fond présente une profondeur de rugosité inférieure à 15 µm,
    - dans lequel la surface de contact tempérée est formée par la surface d'une plaque essentiellement plane ou par la surface d'au moins un rouleau,
    - dans lequel un mouvement relatif est généré entre la surface à lisser et la surface de contact tempérée,
    - dans lequel la surface planée est imprimée pour réaliser un décor au moyen de cylindres d'impression,
    - dans lequel l'impression du dessin est réalisée avec une résolution d'au moins 60 points par cm, de préférence avec au moins 70 points par cm, et
    - dans lequel la surface imprimée est scellée après l'impression.
  2. Procédé selon la revendication 1, dans lequel le lissage de la surface pourvue d'une couche de fond est exécuté dans un laps de temps inférieur à 1 minute, de préférence inférieur à 10 secondes, avant l'impression.
  3. Procédé selon revendication 1 ou 2, dans lequel la surface pourvue d'une couche de fond est mise en contact, à pleine surface, avec la surface de contact tempérée.
  4. Procédé selon l'une des revendications 1 à 3, dans lequel un mouvement relatif entre la surface à lisser et la surface de contact du rouleau est généré par une rotation du rouleau.
  5. Procédé selon la revendication 4, dans lequel l'axe de rotation du rouleau est orienté en biais par rapport à la direction de déplacement de la surface à lisser.
  6. Procédé selon l'une des revendications 1 à 5, dans lequel le rouleau est entraîné dans la direction longitudinale, en un mouvement oscillant.
  7. Procédé selon l'une des revendications 1 à 6, dans lequel la surface de contact tempérée est pressée contre la surface pourvue d'une couche de fond.
  8. Procédé selon la revendication 7, dans lequel la surface de contact tempérée est pressée, sur la largeur du panneau, contre la surface pourvue d'une couche de fond, avec une pression située dans une plage de 50 à 100 N/m.
  9. Procédé selon l'une des revendications 1 à 8, dans lequel on utilise une surface de contact pourvue d'une face de contact extérieure lisse, en particulier polie.
  10. Procédé selon l'une des revendications 1 à 8, dans lequel on utilise une surface de contact pourvue d'une face de contact extérieure structurée, en particulier microstructurée.
  11. Procédé selon l'une des revendications 1 à 10, dans lequel la surface de contact consiste en un métal.
  12. Procédé selon l'une des revendications 1 à 10, dans lequel la surface de contact consiste en un métal revêtu, en particulier revêtu de téflon.
  13. Procédé selon l'une des revendications 1 à 10, dans lequel la surface de contact consiste en une matière synthétique, en particulier en une matière synthétique revêtue de téflon.
  14. Procédé selon l'une des revendications 1 à 13, dans lequel la surface de contact est humectée avec un liquide.
  15. Procédé selon la revendication 14, dans lequel dans lequel la surface de contact est humectée avec de l'eau ou avec un liquide contenant un adjuvant.
  16. Procédé selon l'une des revendications 1 à 15, dans lequel, avant l'application de la couche de fond, une matière de charge est appliquée sur la surface à imprimer.
  17. Procédé selon l'une des revendications 1 à 16, dans lequel la surface à imprimer est pourvue d'une couche de fond, qui consiste, au moins partiellement, en résine synthétique.
  18. Panneau, en particulier destiné à être utilisé en tant que plaque de revêtements de sol ou pour la fabrication de meubles,
    - avec un matériau de support à base de cellulose de bois,
    - avec une surface présentant une couche de fond,
    - avec un décor imprimé sur la couche de fond au moyen de cylindres d'impression, en particulier un décor bois, et
    - avec une couche de scellement, appliquée sur le décor imprimé,
    - la couche de fond étant une couche de fond non meulée, planée par contact avec au moins une surface de contact tempérée d'un dispositif de lissage, qui présente une profondeur de rugosité inférieure à 15 µm, et le dessin imprimé présentant une résolution d'au moins 60 points par cm.
  19. Panneau selon la revendication 18, caractérisé en ce que la couche de fond consiste, au moins partiellement, en résine synthétique.
  20. Panneau selon revendication 18 ou 19, caractérisé en ce que la couche de scellement consiste, au moins partiellement, en une résine synthétique, et en ce qu'une couche de laque contenant des particules est disposée entre le décor imprimé et la couche de scellement.
  21. Panneau selon la revendication 20, caractérisé en ce que la couche de laque présente des particules de corindon.
  22. Panneau selon revendication 20 ou 21, caractérisé en ce que la résine synthétique de la couche de scellement consiste en un système de résine synthétique à base de polyuréthane.
  23. Panneau selon l'une des revendications 20 à 22, caractérisé en ce que la couche de laque présente des particules d'une grandeur moyenne de 1 à 100 µm.
  24. Panneau selon l'une des revendications 18 à 23, caractérisé en ce que, sur la couche de scellement, est disposée une couche de laque contenant des particules.
  25. Panneau selon la revendication 24, caractérisé en ce que la couche de laque présente des particules d'une grandeur moyenne de 100 nm à 1 µm.
  26. Panneau selon l'une des revendications 20 à 25, caractérisé en ce que la surface de la couche de scellement ou la surface de la couche de laque est structurée.
  27. Panneau selon l'une des revendications 18 à 26, caractérisé en ce que la couche de fond présente une profondeur de rugosité inférieure à 10 µm, de préférence de 6 à 8 µm.
EP05755993A 2004-07-01 2005-06-30 Panneau dote d'une surface decorative Active EP1761400B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05755993T PL1761400T3 (pl) 2004-07-01 2005-06-30 Płyta z ozdobną powierzchnią

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004032058A DE102004032058B4 (de) 2004-07-01 2004-07-01 Verfahren zum Herstellen einer Platte mit einer ein Dekor aufweisenden Oberfläche und Platte mit einer dekorativen Oberfläche
PCT/EP2005/007050 WO2006002917A2 (fr) 2004-07-01 2005-06-30 Panneau dote d'une surface decorative

Publications (2)

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EP1761400A2 EP1761400A2 (fr) 2007-03-14
EP1761400B1 true EP1761400B1 (fr) 2010-04-07

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EP05755993A Active EP1761400B1 (fr) 2004-07-01 2005-06-30 Panneau dote d'une surface decorative

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EP (1) EP1761400B1 (fr)
AT (1) ATE463351T1 (fr)
DE (2) DE102004032058B4 (fr)
ES (1) ES2341661T3 (fr)
PL (1) PL1761400T3 (fr)
RU (1) RU2344940C2 (fr)
UA (1) UA87315C2 (fr)
WO (1) WO2006002917A2 (fr)

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Also Published As

Publication number Publication date
WO2006002917A3 (fr) 2006-06-01
PL1761400T3 (pl) 2011-02-28
DE102004032058A1 (de) 2005-05-12
ATE463351T1 (de) 2010-04-15
RU2344940C2 (ru) 2009-01-27
WO2006002917A2 (fr) 2006-01-12
EP1761400A2 (fr) 2007-03-14
DE502005009368D1 (de) 2010-05-20
UA87315C2 (ru) 2009-07-10
ES2341661T3 (es) 2010-06-24
DE102004032058B4 (de) 2009-12-03
RU2007103011A (ru) 2008-07-27

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