EP3568307A1 - Dekoriertes oberflächenstrukturiertes wand- oder bodenpaneel - Google Patents
Dekoriertes oberflächenstrukturiertes wand- oder bodenpaneelInfo
- Publication number
- EP3568307A1 EP3568307A1 EP18700163.1A EP18700163A EP3568307A1 EP 3568307 A1 EP3568307 A1 EP 3568307A1 EP 18700163 A EP18700163 A EP 18700163A EP 3568307 A1 EP3568307 A1 EP 3568307A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- plastic film
- structured
- radiation
- decorated
- 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
Links
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- 238000004886 process control Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000003847 radiation curing Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 150000003518 tetracenes Chemical class 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000003017 thermal stabilizer Substances 0.000 description 1
- 230000010512 thermal transition Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 229920000428 triblock copolymer Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 235000020234 walnut Nutrition 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- 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
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/24—Pressing or stamping ornamental designs on surfaces
-
- 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
-
- 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
- B44C5/0438—Ornamental plaques, e.g. decorative panels, decorative veneers containing stone elements
-
- 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
- B44C5/0461—Ornamental plaques, e.g. decorative panels, decorative veneers used as wall coverings
Definitions
- the present invention relates to a decorated and surface-structured wall or floor panel.
- the present invention further relates to a method for producing a decorated and surface-structured wall or floor panel.
- the present invention relates to a decorated and devisfiumbleen Modelltechnischliuss wall or floor panel based on a direct printed composite support.
- Decorated panels are known per se, wherein the term wall panel also includes panels that are suitable for ceiling or door clothing. They usually consist of a carrier or core made of a solid material, for example a wood material, which is provided on at least one side with a decorative layer and a cover layer and optionally with other layers, for example, arranged between the decorative and cover layer wear layer.
- the decorative layer is usually a printed paper impregnated with a resin or a printing layer applied to the substrate using, for example, a suitable printing substrate.
- the filler or the solid material may be both organic in nature, such as Vegetable fibers or meal, animal fibers such as animal hair, wood fibers or flour, as well as inorganic nature such as mineral in nature. Examples include minerals, mineral fibers or glass fibers. Likewise, synthetic fibers may be included as a filler.
- the term "decorated wall or floor panel” or “decorative panel” is to be understood, in particular, as wall, ceiling, door or floor panels, which have a decorative pattern applied to a carrier panel and a decoration pattern.
- Decorative panels are used in a variety of ways, both in the field of interior design of rooms, as well as decorative cladding of buildings, for example in exhibition construction. The decorative panels often have a decor that is intended to recreate a natural material.
- modeled natural materials or decorative patterns are wood species such as maple, oak, birch, cherry, ash, walnut, chestnut, wenge or exotic woods such as panga panga, mahogany, bamboo and bubinga.
- wood species such as maple, oak, birch, cherry, ash, walnut, chestnut, wenge or exotic woods such as panga panga, mahogany, bamboo and bubinga.
- many natural materials are modeled on stone surfaces or ceramic surfaces.
- a "decor template" in the sense of the present invention may be understood as meaning, in particular, such an original natural material or at least a surface of one which is to be imitated or imitated by the decor.
- a “carrier” may, in particular, be understood as a layer serving as a core or as a base layer in a finished panel, for example, the carrier may already provide the panel with suitable stability or contribute to it. which at least for the most part constitutes the carrier, in particular the carrier may consist of the carrier material.
- the carrier material may comprise, for example, a plastic-containing matrix material in which a solid material or filler having a particle size of less than or equal to 800 ⁇ m, preferably of less than or equal to 600 ⁇ m, is embedded.
- the matrix material serves, in particular, to take up or embed the solid material in the finished carrier.
- the matrix material in this case has a plastic or a plastic mixture.
- the proportions of matrix material or solid material may be selectable. As a result, good adaptability to the desired field of application becomes possible. In principle, however, it may be preferred that the proportion of the solid material is greater than or equal to the proportion of the matrix material.
- plastics which may preferably serve as matrix material include in particular thermoplastic materials, for example polyethylene or polypropylene or mixtures of the aforementioned plastics. It may further be preferred that the matrix material comprises polypropylene, such as in the form of LDPE, wherein the polypropylene may comprise a mixture of a homopolymer and a copolymer.
- a mixture of a homopolymer and a copolymer may allow particularly advantageous properties for the matrix material, for example by being formed into a carrier in a range of> 180 ° C. to ⁇ 200 ° C., so that a particularly effective process control, for example with exemplary line speeds in a range of 6m / min.
- the matrix material may in principle be free of a bonding agent.
- a copolymer for example, find such a use, which is composed of, for example, consists of propylene and ethylene as monomer units, wherein the density of the copolymer may be greater than or equal to the density of the homopolymer.
- a high melt flow rate can be made possible, wherein the melt flow rate of the homopolymer may in particular be greater than that of the copolymer.
- the homopolymer can thereby allow a particularly good embedding of the solid material.
- the copolymer can in particular serve the mechanical strength of the carrier material or of the carrier, since a copolymer often has a hardness that is comparatively high, in particular with respect to the homopolymer.
- the homopolymer may be based on the polypropylene in a proportion of> 10% by weight to ⁇ 40% by weight, for example in an amount of> 20% by weight.
- ⁇ 30 wt .-% is present, about in a proportion of> 23 wt .-% to ⁇ 28 wt .-%, and / or that the copolymer based on the polypropylene in a proportion of> 60 wt .-% to ⁇ 90 wt .-%, for example in a proportion of > 70 wt .-% to ⁇ 80 wt .-%, for example in an amount of> 72 wt .-% to ⁇ 76 wt .-%, is present, in particular wherein the polypropylene consists of the homopolymer and the copolymer.
- the solid which is distributed in the matrix material, this has a particle size of less than 800 ⁇ , preferably less than 600 ⁇ , on.
- the solid can be distributed very finely in the matrix material.
- the solid may, for example, be a wood material, such as wood flour, or other material, such as a component of the rice plant, such as rice husk, rice stem and rice husk, cellulose or a mineral material, such as stone meal, Chalk or other inorganic mineral materials. It may be particularly preferred if the solid is formed from talc, for example consists thereof.
- the solids may not be in the form of chips, chips or grains, that is to say in the form of powder, in a limiting manner.
- WPC carrier which is basically known and has great acceptance.
- a carrier according to the invention can take place by a modification of known products.
- talc As a solid, it may be advantageous that, in particular in this embodiment, a high stability can be made possible.
- a carrier material can allow improved moisture resistance, in particular with a reduced moisture or heat-induced swelling.
- a magnesium silicate hydrate which may have, for example, the chemical empirical formula Mg3 [Si 4 Oio (OH) 2].
- Mg3 [Si 4 Oio (OH) 2].
- BET specific surface density according to ISO 4352 (BET)) of the talcum particles in a range from> 4 m 2 / g to ⁇ 8 m 2 / g, in a range of> 5 m 2 / g to ⁇ 7 m 2 / g.
- the talcum is present at a bulk density according to DIN 53468 in a range of> 0.15 g / cm 3 to ⁇ 0.45 g / cm 3 , approximately in a range of> 0.25 g / cm 3 to ⁇ 0.35 g / cm 3 .
- talcum is present in the form of particles having a particle size D50 in a range of> 3 ⁇ to ⁇ 6 ⁇ , preferably in a range of> 4 ⁇ to ⁇ 5 ⁇ , for example of 4.5 microns, and / or the talcum is present in the form of particles having a particle size D 8 in a range of> ⁇ to ⁇ 30 ⁇ , preferably in a range of> 15 ⁇ to ⁇ 20 ⁇ m, for example of 17 ⁇ .
- basically the generally known methods such as, for example, laser diffractometry, can be used, with which particle sizes in the range of a few nanometers up to several millimeters can be determined.
- D50 or D8 values can also be determined, which in each case state that 50% (D50) or 98% (D8) of the measured particles are smaller than the value specified in each case.
- the solid material may contain at least 50% by weight, for example at least 80% by weight, in particular approximately at least 90% by weight, for example at least 99% by weight .-%> based on the solid material is formed by talc, wherein the matrix material in an amount, based on the carrier material, from> 20 wt .-%> to ⁇ 70 wt .-%>, for example,> 30 wt .-% > to ⁇ 55 wt .-%> is present and wherein the solid material, based on the carrier material, in an amount, based on the carrier material, from> 30 wt .-% to ⁇ 80 wt .-%>, for example of> 40 wt .-%> to ⁇ 65 wt .-%> is present, and wherein the carrier material and the solid material together, based on the carrier material, in an amount of> 90 wt .-%> present.
- the carrier material consists to a large extent of the solid material and the matrix material.
- the matrix material and the solid material are present together, based on the carrier material, in an amount of> 97% by weight, for example in an amount of 100% by weight, the carrier material thus being composed of the matrix material and the solid material.
- the carrier material may consist of at least one polymeric, in particular thermoplastic, plastic, for example, as a plastic mixture as matrix material, talc and optionally an adhesion promoter.
- a production can be particularly cost-effective and process management can be particularly simple.
- the carrier material may further comprise a fiber material that, based on the carrier material, in an amount of> 0 wt .-% to ⁇ 20 wt .-%, in particular from> 3 wt .-% to ⁇ 12 wt .-%, may be about> 5 wt .-% to ⁇ 10 wt .-%.
- the fiber material comprises fibers which are selected from the group consisting of vegetable, animal, mineral or even artificial fibers
- the carrier material may comprise, for example, a matrix material comprising a plastic, a solid material and a fiber material, the solid material being at least 50% by weight, in particular at least 80% by weight, in particular at least 95% by weight.
- the matrix material in an amount, based on the carrier material, of> 20 wt .-% to ⁇ 70 wt .-%, in particular from> 30 wt .-% to ⁇ 55 wt %, in particular from> 35 wt .-% to ⁇ 45 wt .-%, and wherein the solid material, based on the carrier material, in an amount of> 30% by weight to ⁇ 75 wt .-%, in particular from> 40 wt .-% to ⁇ 65 wt .-%, in particular from> 45 wt .-% to ⁇ 60 wt .-%, and wherein the fiber material, based on the carrier material, in an amount of> 0 wt.
- % to ⁇ 20% by weight in particular from> 3% by weight to ⁇ 12% by weight, for example from> 5% by weight to ⁇ 10% by weight
- the matrix material, the fiber material and the solid material together, based on the carrier material (20) in an amount of> 95 wt .-%, in particular> 97 wt .-%, are present.
- the fiber material comprises fibers having a length in a range of ⁇ , preferably in a range of ⁇ 5 ⁇ , approximately in a range of> 2 ⁇ to ⁇ 5 ⁇ , approximately in a range of> 3 ⁇ to ⁇ 4 ⁇ m have.
- fibers also allow a significant improvement in stability in the above-described range.
- the fiber material comprises fibers having a diameter or a thickness of> 5 ⁇ to ⁇ 30 ⁇ , for example in a range of> 7 ⁇ m to ⁇ 20 ⁇ m.
- This embodiment can also allow a significant improvement in the stability, in particular in the previously defined carrier material with matrix material, solid material and fiber material in the proportions described above, wherein processability is not or not significantly worsened by the presence of the fibers.
- a very high quality product without production-specific disadvantages can be made possible.
- the fiber material comprises fibers selected from the group consisting of vegetable, animal, mineral or even artificial fibers.
- vegetable fibers include, for example, cellulose fibers, lignose fibers, as well as fibers from straw, corn straw, bamboo, leaves, algae extracts, hemp, cotton or oil palm fibers.
- animal fiber materials are keratin-based materials such as wool or horsehair. From the aforementioned fibers, for example, cellulose may be of particular advantage.
- mineral fiber materials are mineral wool or glass wool.
- artificial fibers include, for example, synthetic fibers such as polyester fibers or polytetrafluoroethylene (PTFE). Plant and animal fibers may have the advantage of a particularly good ecological balance, whereas mineral fibers or artificial fibers may have advantages in terms of heat and moisture resistance.
- the fiber material comprises synthetic fibers
- the melting temperature of the plastic fibers is higher than the melting temperature of the matrix material.
- This refinement can in turn bring about production-specific advantages.
- For producing a carrier from the predefined carrier material it may be advantageous to melt the carrier material or the matrix material and to form a carrier under pressure, as described below.
- the plastic fibers also melt, which could at least partially wipe out the above-described advantages of the fiber material.
- a well processable manufacturing process can be made possible while ensuring the desired properties.
- Exemplary plastic fibers include, for example, polytetrafluoroethylene (PTFE).
- the edge regions of a panel according to the invention can be structured or profiled, in order to provide in particular detachable connecting elements.
- a profiling according to the invention it can be provided that a decorative and / or functional profile is introduced by means of suitable material-removing tools at least into a part of the edges of the decorative panel.
- a functional profile is understood, for example, to mean the introduction of a tongue and / or groove profile into an edge in order to make decorative panels connectable to each other via the introduced profilings.
- elastic materials are advantageous, since such profiles alone can be produced by them, which are particularly easy to handle and stable. In particular, no further materials are necessary to produce the fasteners.
- a decorative substrate or primer to be provided according to the invention is applied to at least a portion of the substrate.
- a primer can be applied in particular as a decorative substrate for printing processes.
- This primer can be applied, for example, in a thickness of> ⁇ to ⁇ 60 ⁇ .
- a liquid radiation-curing mixture based on a urethane or a urethane acrylate, optionally with one or more of a photoinitiator, a reactive diluent, a UV stabilizer, a rheology agent such as a thickener, radical scavenger, flow control agent, defoamer or preservative, pigment and / or or a dye.
- a white colored primer may be applied.
- the primer may have polyurethane, be designed as a polyurethane varnish, for example, and be provided with white pigments.
- the decor or the decorative layer can be produced by a printing process, wherein both flexo printing, offset printing or screen printing methods, and in particular digital printing techniques, such as inkjet method or laser printing method are suitable.
- the decorative layer can be formed from a particular radiation-curable ink and / or ink. For example, a UV-curable ink or ink may be used.
- the lacquer applied to the decorative layer to form a layer of a radiation-curable lacquer preferably comprises an acrylate, a diacylate, a methacrylate, a urethane, urethane acrylate or mixtures of these.
- a varnish may contain further constituents, in particular a photoinitiator, a reactive diluent, a UV stabilizer, a polycondensation agent such as a thickener, a radical scavenger, a flow control agent, an antifoaming agent or a preservative, a pigment and / or a dye.
- a photoinitiator e.g., a reactive diluent
- a UV stabilizer e.g., a UV stabilizer
- a polycondensation agent such as a thickener, a radical scavenger, a flow control agent, an antifoaming agent or a preservative, a pigment and / or a
- the paint is a diacrylate in a concentration between> 20 wt .-% and ⁇ 60 wt .-% and a methacrylate in a concentration between> 1 wt .-% and ⁇ 20 wt .-% having.
- photoinitiator for radiation-curable varnishes or compositions used in the present invention for example, compounds of the group selected from benzophenones such as benzophenones, 4,4-bis (diethylamino) benzophenone, and 3,3 ', 4,4'-tetramethoxybenzophenone, anthraquinones such as t-butylanthraquinones and 2-ethylanthraquinones, thioxanthones such as 2,4-diethylthioxanthone, isopropylthioxanthone and 2,4-dichlorothioxanthone; Acetophenones such as diethoxyacetophenone, 2,2-dimethoxyphenylacetophenone, 2-hydroxy-2-methyl-1-phenylpropan-1-one, benzyldimethylketal, 1-hydroxycyclohexylphenylketone, 2-methyl-2-morpholino (4-methylthiophenyl) propanone-1-one
- a photoinitiator may, for example, be present in a concentration of between 0.5 and 5% by weight in the coating composition.
- the structured plastic film may consist of a plastic which is selected from the group consisting of polypropylene (PP), polyethylene (PE), polyethylene terephthalate (PET), polycarbonate (PC), polybutylene terephthalate (PBT), a polytrimethylene terephthalate ( PTT), a copolymer or a block copolymer of these.
- PP polypropylene
- PE polyethylene
- PET polyethylene terephthalate
- PC polycarbonate
- PBT polybutylene terephthalate
- PTT polytrimethylene terephthalate
- the plastic film has a thickness between> 60 ⁇ and ⁇ 500 ⁇ , preferably between> 80 ⁇ and ⁇ 350 ⁇ , in particular between> 100 ⁇ and ⁇ 300 ⁇ , such as 120 ⁇ , 140 ⁇ , 160 ⁇ , 180 ⁇ , 200 ⁇ , 220 ⁇ , 240 ⁇ , 260 ⁇ or 280 ⁇ on.
- a thickness has proven to be particularly suitable with regard to the ease of handling in the production process of the decorative panel as well as the haptic impression achievable with it.
- the structured plastic film has an embossing depth between 60 ⁇ and 180 ⁇ .
- the embossing depth is less than the layer thickness of the plastic film.
- the thickness of the film in unembossed areas is to be understood as the layer thickness.
- the embossing depth is between 25% and 65% of the layer thickness of the plastic film.
- the lacquer applied to the structured plastic layer for forming a topcoat layer comprises an acrylate, a diacylate, a methacrylate, a urethane, urethane acrylate or mixtures thereof.
- a lacquer may contain further constituents such as in particular a photoinitiator, a reactive diluent, a UV stabilizer, a rheology agent such as a thickener, a radical scavenger, a flow control agent, a defoamer or a preservative, a pigment and / or a dye.
- a photoinitiator such as a reactive diluent
- a UV stabilizer such as a thickener
- a radical scavenger such as a radical scavenger
- a flow control agent such as a thickener
- a radical scavenger such as a radical scavenger
- a flow control agent such as a defoamer or
- the topcoat layer is formed from a plurality of lacquer layers or is formed by a multiple application of lacquer compositions of the same or different composition. It can also be provided that at least one lacquer layer or a lacquer coating has a lacquer composition which comprises hard material such as, for example, titanium nitride, titanium carbide, silicon nitride, silicon carbide, boron carbide, Tungsten carbide, tantalum carbide, alumina (corundum), zirconium oxide or mixtures thereof, to increase the wear resistance of the layer formed.
- hard material such as, for example, titanium nitride, titanium carbide, silicon nitride, silicon carbide, boron carbide, Tungsten carbide, tantalum carbide, alumina (corundum), zirconium oxide or mixtures thereof, to increase the wear resistance of the layer formed.
- At least one lacquer layer or a lacquer coating has a lacquer composition which has a solid, for example glass ball, glass ellipses or even cellulose fibers in order to increase the wear resistance of the layer formed. It can also be provided that a lacquer layer or a lacquer coating has a lacquer composition which has both hard materials and solid of the aforementioned type.
- step b) applying a decorative layer to the primer layer applied in step b) by means of a direct printing method
- step c) application of a layer of a radiation-curable lacquer to that in step c)
- step d) applying a structured or unstructured plastic film to the not yet or not yet fully cured layer of the applied in step d) radiation-curable varnish;
- step e2) curing the layer of a radiation-curable lacquer applied in step d) by means of the action of suitable electromagnetic radiation or cooling, wherein the plastic film applied in step el) is bonded to the remaining layer structure; e3) structuring the non-structured plastic film applied in step el) by embossing means to form a structured plastic film;
- step el applying a structured plastic film to the not yet or not completely cured layer of the applied in step d) radiation-curable paint; e2 ') curing the layer of the radiation-curable lacquer applied in step d) by means of the action of suitable electromagnetic radiation or cooling, wherein the plastic film applied in step el') is bonded to the remaining layer structure;
- step f) curing the applied in step f) at least one cover layer.
- a non-structured plastic film is understood as meaning a plastic film which is not completely or only partially structured and which receives additional structuring in the course of the further process.
- an incompletely cured layer of the radiation-curable lacquer applied in step d) is one that has already been gelled by suitable measures, such as, for example, exposure to low intensity electromagnetic radiation and / or short duration has completely cured and so far still contains radically polymerizable constituents.
- the corresponding surface of the carrier is pretreated by means of a corona and / or plasma treatment. As a result, improved adhesion of the primer layer to the surface can be achieved.
- the application of the primer layer can be effected, for example, by means of rollers, such as rubber rollers, by means of doctoring, by means of pouring devices, by means of spraying devices or a combination of the aforementioned devices.
- rollers such as rubber rollers
- doctoring by means of pouring devices
- spraying devices by means of spraying devices or a combination of the aforementioned devices.
- spraying devices by means of spraying devices or a combination of the aforementioned devices.
- a direct printing method flexo printing, offset printing or screen printing methods, and in particular digital printing techniques such as, for example, inkjet methods or laser printing methods are particularly suitable.
- an application of a layer of a radiation-curable lacquer takes place.
- the application of this lacquer layer can take place, for example, by means of rollers, such as rubber rollers, by means of doctoring, by means of pouring devices, by means of spraying devices or a combination of the aforementioned devices.
- the applied lacquer layer is partially cured by the action of electromagnetic radiation, such as UV radiation or microwave radiation, wherein this partial curing is carried out with the proviso that the applied layer still has a residual fluidity and is not fully cured.
- electromagnetic radiation such as UV radiation or microwave radiation
- a structured or unstructured plastic film is applied to the still flowable paint bed. This can be done for example by means of a calender in a calendering step.
- the plastic film can be at least partially pressed into the paint bed.
- the application of the plastic film takes place while avoiding the inclusion of air bubbles between the paint layer and the plastic film.
- an embossing roller, a embossing plate or an embossing stamp having an embossing depth which is smaller than the thickness of the plastic film applied in step el) are used as embossing means in step e3).
- the embossing agent has an embossing depth between 25% and 65% of the layer thickness of the plastic film.
- the embossing takes place under the action of heat.
- the plastic film is heated by means of suitable devices, such as IR emitters, at least superficially.
- the embossing means is heated by means of suitable means.
- a combination of these possibilities can be provided in which both the plastic film by means of e.g. Preheated IR emitters and then with a correspondingly heated embossing a structure is imprinted in the plastic film.
- the heat action is controlled so that the plastic film is heated to a temperature in the range between 30%> and 80%>, preferably 40%> and 70%> of the melting temperature of the plastic film material. It has been shown that with such a heating rate, a good embossing result can be achieved without substantially adversely affecting the durability of the film.
- an embossing lacquer is applied to the embossing lacquer which has sufficient flexibility to co-impress in a subsequent embossing step become.
- Such an embossing lacquer is preferably likewise a radiation-curable lacquer composition.
- a structure lacquer is applied, which substantially corresponds to the embossing lacquer described above.
- the structured lacquer is likewise preferably a radiation-curable lacquer or a radiation-curable lacquer composition.
- the structural lacquer applied to an unstructured plastic film is partially or partially cured, in the case of a radiation-curable lacquer, for example by exposure to electromagnetic radiation of suitable wavelength and dose.
- a haptically perceptible structure can then be produced by applying a likewise radiation-curable composition in the structurally lacquer which has thus been hardened or partially cured.
- the order of the radiation-curable composition on the gelled or partially cured textured paint can be done for example by means of an ink-jet process.
- the drop of the radiation-curable composition which is applied to the partially cured structured lacquer produces a corresponding deformation of the hitherto smooth textured lacquer surface as a result of the mechanical action of force at the moment of impact.
- the physicochemical properties of the ink-jet applied composition such as density, viscosity, polarity, or surface tension, may be adjusted so that the applied drops partially displace the partially cured or gelled structural paint.
- the structured lacquer after partial hardening or setting has a viscosity in the range of 80-500 mPa * s (at 25 °) and the composition applied for structuring has a distinctly lower viscosity of 8-30 mPa * s ( at 25 °).
- the final curing of both the gelled or partially cured textured paint and the structuring composition can then take place in an immediately subsequent curing step, eg, by means of UV radiation.
- the structure-forming drops applied by means of ink-jet do not consist of a radiation-curable composition, but of a composition which under the conditions of application to the gelled or partially cured textured paint has a high viscosity and thus a Displacement effect against the textured paint identifies.
- This is preferably a composition or compound with an atypical thermal transition behavior, which assumes a gel-like structure at elevated temperature and has the behavior of a liquid at low temperature.
- the textured paint is cured by exposure to radiation. The resulting heating causes the composition to form its gelatinous structure which forms corresponding patterns in the textured paint layer.
- the surface can be cooled to a temperature below the gelation temperature of the composition, whereby the composition can then be removed from the surface by simple mechanical means such as a cloth, a brush, or an aspirator.
- poloyamers eg Pluronic F127. It is a triblock copolymer with a hydrophobic poly (propylene oxide) segment (PPO) and two hydrophilic poly (ethylene oxide) (PEO) segments, which connect on both sides of the PPO segment to form a PEO-PPO-PEO sequence.
- This material gels from a critical micelle concentration (CMC) of 21 wt .-% at a temperature> 10 ° C. Below this temperature, the gel structure dissolves and the composition becomes liquid.
- a composition which can be applied by means of ink-jet structuring can have 40% by weight of Pluronic Fl 27.
- Pluronic Fl 27 it is provided that takes place through the structuring of the plastic film in accordance with the decor image to haptically support the realistic appearance of the decor.
- the decorative image has so-called register markings, by means of which the embossing means or the already structured plastic film are aligned with respect to the decor, in order to ensure a structuring which is synchronous with the decoration.
- the side facing the carrier of the plastic film prior to application to the not yet or not fully cured layer of the applied in step d) radiation-curable varnish a corona treatment and / or plasma treatment subjected.
- a corona treatment and / or plasma treatment subjected.
- an adhesive primer is applied.
- a composition comprising swelling agent and / or solvent suitable for the plastic film material is applied as the adhesion primer.
- a composition may, for example, acetone, methyl ethyl ketone, ethyl acetate, isobutyl acetate, tetrahydrofuran, dimethyl sulfoxide, sulfolane, acetonitrile, nitromethane, ⁇ -butyrolactone or mixtures thereof.
- such a composition can comprise, for example, between> 5% by weight and ⁇ 35% by weight of isobutyl acetate and between> 2% by weight and ⁇ 65% by weight of methyl ethyl ketone.
- the method is interrupted by method steps e2) or e2 ') or e3) and thus before the application of the top layer in step (f).
- a storable intermediate product or semifinished product is obtained, which can be further processed temporally and / or spatially from the previous production process by application of the cover layer, optionally with prior structuring.
- the invention thus expressly also encompasses a method for producing such an intermediate product, which then consists of a carrier, a primer layer, a decorative layer, a layer of a radiation-curable lacquer arranged on the decorative layer, and a plastic film.
- a topcoat layer of a radiation-curable lacquer is applied.
- the topcoat layer is formed by a multiple application of coating compositions of the same or different composition and the corresponding step f) is carried out repeatedly.
- at least one lacquer layer or a lacquer coating has a lacquer composition which comprises hard materials such as titanium nitride, titanium carbide, silicon nitride, silicon carbide, boron carbide, tungsten carbide, tantalum carbide, aluminum oxide (corundum), zirconium oxide or mixtures of these in order to increase wear resistance increase the formed layer.
- At least one lacquer layer or a lacquer coating has a lacquer composition which has a solid, for example glass ball, glass ellipses or even cellulose fibers in order to increase the wear resistance of the layer formed. It can also be provided that a lacquer layer or a lacquer coating has a lacquer composition which has both hard materials and solid of the aforementioned type.
- step g) is also repeated, optionally with the proviso that between the repetition of step f) no complete curing of the applied paint composition takes place, but only a partial cure or angling and a final curing by a correspondingly long and / or intense exposure to suitable electromagnetic radiation, such as UV radiation or microwave radiation takes place.
- suitable electromagnetic radiation such as UV radiation or microwave radiation
- Fig. 1 shows schematically the structure of a decorated and surface-structured wall or floor panel according to the invention
- Fig. 2 shows schematically an intermediate product, as it can be obtained in the context of the method according to the invention
- Fig. 3 shows schematically a further intermediate product, as it can be obtained in the context of the method according to the invention.
- Fig. 1 shows schematically the structure of a decorated and surface-structured wall and / or floor panel 100 according to the invention.
- the panel has a preferably made of a Kunststoffkompositmaterial carrier 1 10.
- a primer layer 120 is arranged, which can also serve as a printing substrate for the decorative layer 130 arranged above.
- the decorative layer 130 can be applied to the primer layer 120 by means of a direct printing method such as, for example, flexographic printing, offset printing or screen printing methods, and in particular by means of digital printing techniques, such as, for example, inkjet methods or laser printing methods.
- a layer 140 of a arranged radiation-curable varnish by means of which the arranged on the layer 140 structured plastic film 150 is connected to the layer composite.
- a topcoat layer 160 is disposed above the structured plastic film 150. It may be provided that the topcoat layer 160 to improve the wear resistance hard materials and / or solids and / or fibers. In any case, the topcoat layer is designed such that it does not completely or not completely level the surface structure caused by the structured plastic film, so that it is at least partially haptically perceptible on the surface of the wall or floor panel.
- Fig. 2 shows schematically an intermediate product 101, as it can be obtained in the context of the method according to the invention.
- the layers 110, 120, 130 and 140 correspond to the layers known from FIG.
- the intermediate product shown in FIG. 2 has a plastic film 151 which is not or not completely structured.
- the surface of the intermediate product 101 formed by the plastic film can be structured by means of suitable embossing means, in particular under the action of heat.
- the application of a topcoat layer can then take place.
- Fig. 3 shows schematically an intermediate product 102, as can be obtained in the context of the method according to the invention.
- the layers 110, 120, 130 and 140 correspond to the layers known from FIG.
- the layer 152 represents in the embodiment shown a structured plastic film.
- This may either be an already pre-structured plastic film, or an unstructured plastic film as shown in Fig. 2, which in one in an optionally temporally and / or spatially separated further processing step was structured by means of suitable embossing means, in particular under the action of heat. In one in turn, optionally temporally and / or spatially separate further processing step can then be carried out the application of a topcoat.
Landscapes
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17151000.1A EP3348418A1 (de) | 2017-01-11 | 2017-01-11 | Dekoriertes oberflächenstrukturiertes wand- oder bodenpaneel |
PCT/EP2018/050580 WO2018130580A1 (de) | 2017-01-11 | 2018-01-10 | Dekoriertes oberflächenstrukturiertes wand- oder bodenpaneel |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3568307A1 true EP3568307A1 (de) | 2019-11-20 |
EP3568307B1 EP3568307B1 (de) | 2022-06-15 |
Family
ID=57796180
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17151000.1A Withdrawn EP3348418A1 (de) | 2017-01-11 | 2017-01-11 | Dekoriertes oberflächenstrukturiertes wand- oder bodenpaneel |
EP18700163.1A Active EP3568307B1 (de) | 2017-01-11 | 2018-01-10 | Dekoriertes oberflächenstrukturiertes wand- oder bodenpaneel |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17151000.1A Withdrawn EP3348418A1 (de) | 2017-01-11 | 2017-01-11 | Dekoriertes oberflächenstrukturiertes wand- oder bodenpaneel |
Country Status (6)
Country | Link |
---|---|
US (2) | US10967671B2 (de) |
EP (2) | EP3348418A1 (de) |
ES (1) | ES2924867T3 (de) |
PL (1) | PL3568307T3 (de) |
PT (1) | PT3568307T (de) |
WO (1) | WO2018130580A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3326835A1 (de) | 2016-11-25 | 2018-05-30 | Akzenta Paneele + Profile GmbH | Trägermaterial für ein dekoriertes wand- oder bodenpaneel |
EP3348418A1 (de) * | 2017-01-11 | 2018-07-18 | Akzenta Paneele + Profile GmbH | Dekoriertes oberflächenstrukturiertes wand- oder bodenpaneel |
ES2960896T3 (es) * | 2019-12-12 | 2024-03-07 | Akzenta Paneele Profile Gmbh | Película de protección contra el desgaste estructurada mediante impresión digital con nivel de brillo ajustable |
EP4090540A1 (de) * | 2020-01-13 | 2022-11-23 | Flooring Technologies Ltd. | Verfahren und vorrichtung zur bereitstellung von mit individualisierten dekoren versehenen laminatpaneelen |
EP3851294B1 (de) * | 2020-01-15 | 2022-02-16 | Flooring Technologies Ltd. | Verfahren zur bereitstellung von mit individualisierten dekoren versehenen laminatpaneelen |
CN112497375B (zh) * | 2020-11-26 | 2022-05-17 | 浙江升华云峰新材股份有限公司 | 一种数字化木纹3d数码喷印装饰板及其生产工艺 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2927017A (en) * | 1957-09-11 | 1960-03-01 | Orrin F Marvin | Recovery of metal values from complex ores |
WO2012001109A1 (en) * | 2010-06-30 | 2012-01-05 | Spanolux N.V.- Div. Balterio | A panel comprising a polymeric composite layer and a method of manufacturing such panel |
DE202011107844U1 (de) * | 2011-11-15 | 2013-02-18 | Surface Technologies Gmbh & Co. Kg | Paneel mit Kantenbrechung |
DE102012022461B4 (de) * | 2012-11-15 | 2017-07-13 | SÜDDEKOR GmbH | Abriebfestes dekoratives Beschichtungsmaterial, Verfahren zu dessen Herstellung und Verwendung des abriebfesten dekorativen Beschichtungsmaterials |
EP2829415A1 (de) | 2013-07-22 | 2015-01-28 | Akzenta Paneele + Profile GmbH | Verfahren zur Herstellung eines dekorierten Wand-und Bodenpaneels |
PL2927017T5 (pl) * | 2014-04-04 | 2022-06-20 | Flooring Industries Limited, Sarl | Sposób pokrywania substratu |
EP3348418A1 (de) * | 2017-01-11 | 2018-07-18 | Akzenta Paneele + Profile GmbH | Dekoriertes oberflächenstrukturiertes wand- oder bodenpaneel |
ES2843536T3 (es) | 2017-01-13 | 2021-07-19 | Akzenta Paneele Profile Gmbh | Panel de pared o de suelo con superficie estructurada y decorada, a base de placa de fibrocemento |
-
2017
- 2017-01-11 EP EP17151000.1A patent/EP3348418A1/de not_active Withdrawn
-
2018
- 2018-01-10 EP EP18700163.1A patent/EP3568307B1/de active Active
- 2018-01-10 ES ES18700163T patent/ES2924867T3/es active Active
- 2018-01-10 US US16/462,786 patent/US10967671B2/en active Active
- 2018-01-10 PL PL18700163.1T patent/PL3568307T3/pl unknown
- 2018-01-10 PT PT187001631T patent/PT3568307T/pt unknown
- 2018-01-10 WO PCT/EP2018/050580 patent/WO2018130580A1/de unknown
-
2021
- 2021-03-10 US US17/197,262 patent/US11691453B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2018130580A1 (de) | 2018-07-19 |
US11691453B2 (en) | 2023-07-04 |
EP3348418A1 (de) | 2018-07-18 |
US20210187996A1 (en) | 2021-06-24 |
PL3568307T3 (pl) | 2022-10-10 |
ES2924867T3 (es) | 2022-10-11 |
US20190366757A1 (en) | 2019-12-05 |
EP3568307B1 (de) | 2022-06-15 |
US10967671B2 (en) | 2021-04-06 |
PT3568307T (pt) | 2022-08-18 |
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