EP3288688A1 - Verfahren zur herstellung von strukturierten oberflächen und derart strukturierte gegenstände - Google Patents
Verfahren zur herstellung von strukturierten oberflächen und derart strukturierte gegenständeInfo
- Publication number
- EP3288688A1 EP3288688A1 EP16723263.6A EP16723263A EP3288688A1 EP 3288688 A1 EP3288688 A1 EP 3288688A1 EP 16723263 A EP16723263 A EP 16723263A EP 3288688 A1 EP3288688 A1 EP 3288688A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- embossing
- support surface
- layer
- reactive melt
- structured
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 238000004049 embossing Methods 0.000 claims abstract description 81
- 238000000034 method Methods 0.000 claims description 47
- 229920002635 polyurethane Polymers 0.000 claims description 23
- 239000004814 polyurethane Substances 0.000 claims description 23
- 239000004922 lacquer Substances 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 19
- 238000000576 coating method Methods 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 11
- 239000002023 wood Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000004753 textile Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 5
- 239000005060 rubber Substances 0.000 claims description 5
- 238000005034 decoration Methods 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 2
- 125000000524 functional group Chemical group 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 69
- 239000003973 paint Substances 0.000 description 22
- 238000009499 grossing Methods 0.000 description 17
- 238000001723 curing Methods 0.000 description 15
- 238000012545 processing Methods 0.000 description 11
- 239000000123 paper Substances 0.000 description 10
- 239000000047 product Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000007639 printing Methods 0.000 description 6
- 210000003298 dental enamel Anatomy 0.000 description 5
- 239000012943 hotmelt Substances 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 239000000654 additive Substances 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000003848 UV Light-Curing Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 239000007799 cork Substances 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 238000007766 curtain coating Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011094 fiberboard Substances 0.000 description 2
- 238000009408 flooring Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000003797 telogen phase Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 235000003560 Valerianella locusta Nutrition 0.000 description 1
- 240000004668 Valerianella locusta Species 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010382 chemical cross-linking Methods 0.000 description 1
- 239000011093 chipboard Substances 0.000 description 1
- -1 compact plates (e.g. Polymers 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000013008 moisture curing Methods 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/12—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means
-
- 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
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
- B05D1/38—Successively applying liquids or other fluent materials, e.g. without intermediate treatment with intermediate treatment
-
- 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
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/40—Distributing applied liquids or other fluent materials by members moving relatively to surface
-
- 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
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/40—Distributing applied liquids or other fluent materials by members moving relatively to surface
- B05D1/42—Distributing applied liquids or other fluent materials by members moving relatively to surface by non-rotary members
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
-
- 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
- B05D2503/00—Polyurethanes
Definitions
- the present invention relates to a process for producing structured surfaces on a carrier surface coated by means of a hot coating process, and to corresponding products.
- material plates which are for example printed or coated with resin-impregnated papers, to be structured or textured so that a topmost uncured resin or lacquer layer is brought into contact with a pattern roll, press plates or press rolls, wherein the lacquer or the resin hardens, so that a three-dimensional surface structure remains.
- Curing can be by heat or radiation through a followed by the embossing die is removed from the substrate, so that the cured resin or the cured lacquer has a structuring corresponding to a negative image of the surface structure of the embossing die.
- a largely regular embossing of a floor covering can improve its soiling behavior.
- a uniform embossing i. a regular pattern of elevations and depressions while maintaining a certain groove spacing and a certain height of the elevations, can structure a topmost surface, so that the so-called lotus effect can be effective.
- a corresponding embossing can be effected by means of an embossing roller, wherein an uppermost surface of a cover layer or a base layer are embossed, which is covered with a cover layer.
- the structure obtained does not have the texture and depth of a mechanically embossed structure.
- the pores present in natural materials ie depressions, are simulated by elevations, so that virtually an inverse natural wood surface structure is produced, which can not be distinguished by the human eye and the sense of touch up to an order of magnitude of 100 ⁇ m.
- these structures are of shallow depth, in particular up to 5 ⁇ .
- the present invention seeks to propose a simple process for producing a deeply textured surface in the course of a wet coating or a HotCoatings, which achieves improved feel and appearance.
- a method for the production of structured surfaces is proposed, wherein in a first step a) a layer of a reactive hotmelt based on polyurethane is applied to at least part of a carrier surface, possibly followed by an application of at least one lacquer layer. On the applied layer structure, in a subsequent step b), a structured surface is produced by means of an element with a textured surface.
- a lacquer layer can also be applied after the actual embossing step, it also being possible to apply different lacquers before and after the embossing step.
- a lacquer layer is applied to a layer of reactive hotmelt based on polyurethane, which is, for example, a UV-curing lacquer.
- a layer of reactive hotmelt based on polyurethane which is, for example, a UV-curing lacquer.
- the UV varnish is not fully cured prior to the subsequent step, but only partially reacts, the paint occupies a gelled consistency. So a certain flexibility is maintained, which favors the embossing.
- the method according to the invention for producing structured surfaces on a carrier surface comprises the steps: a) applying a layer of reactive melt based on a polyurethane on at least part of a surface of the support surface; b) embossing the surface of the applied in a previous step layer having a stamping die, which has a negative shape of a generated on the support surface three-dimensional structure.
- a step c) may be encompassed, in which a lacquer layer is applied to the carrier surface occupied by the reactive enamel, step c) being carried out subsequently to step a) and before step b) and / or subsequently to step b) can.
- step c) takes place after step b).
- Another aspect of the present invention relates to an article having a structured surface on at least a portion of a support surface obtainable by the method of the invention.
- a hot coating layer of a reactive melt is provided, which is embossed in a corresponding step on a surface with a three-dimensional structuring.
- the reactive melt is a reactive melt based on polyurethane, which normally reacts and cures by means of moisture present in the room air.
- radiation-curable or radiation-reactive polyurethane-based enamels are also suitable, with a suitable melt based on a moisture-crosslinking polyurethane in this case containing a polymerizable by electron or UV radiation component, a photoinitiator and optionally additives.
- a preferred method according to the invention is characterized in that the reactive melt based on a polyurethane in step a) a radiation-curable enamel composition containing at least one radiation-polymerizable functional group.
- Suitable irradiation-curable reactive hotmelts are described for example in US 8,153,264 B2 or WO 2006/106143 A1.
- the polyurethane-based reactive melt can be both one-component and multi-component, in particular two-component. Preference is given to a one-component reactive melt compound.
- the one-component polyurethane-based reactive melt is known in the art, for example in WO 2006/056472 A1 or WO 2012/084823 A1.
- one component contains a mixture of one or more polyols and optionally additives and the other component one or more polyisocyanates and optionally additives.
- the two components are usually mixed just prior to use of the reactive melt.
- the layer system described above may in particular comprise further layers which favor, for example, a connection of the layer system to the carrier surface.
- a reactive melt on a polyurethane basis is characterized by good adhesive properties on a variety of support surfaces.
- support surfaces of wood, wood-like material, iron, non-ferrous metal, plastic, paper, decorative paper, cardboard, papier mache, glass, linoleum, inorganic non-ores or a mineral substance may at least partially exist.
- the support surface is the surface of a wood-based panel, inorganically bonded panel, plastic panel, compact panel, sandwich panel, lightweight panel and / or linoleum.
- the polyurethane-based reactive melt can in one embodiment be applied to a support surface, for example made of paper, provided as a web or as a sheet.
- This carrier surface thus occupied can be patterned before or during or subsequent to a lamination of this layer structure on a further carrier substrate or carrier plate by means of an embossing step. Accordingly, an overlay or a Laminating material is provided, which can be laminated with a carrier substrate or a carrier plate.
- a support surface to be coated is provided on which an optical image of a surface to be imaged is printed, for example an image of a wood surface.
- the print can be applied directly to the support surface so that it becomes largely a part of the support surface.
- the support surface can be covered with a web, for example made of paper or foil, which is printed with a corresponding decor.
- a layer of dyed HotCoating can be produced on the support surface, which can also be used as a web product.
- Printing methods are known in which a multicolor image is produced on a carrier surface by means of a processor-controlled inkjet printer with stationary or single-pass or movable or multi-pass print heads.
- the support surface may in particular be pretreated with a sealing layer and coated with protective layers after printing.
- a preferred embodiment relates to a method in which a decoration, for example in the form of a decorated with a decor, is applied to the support surface before applying the reactive melt in step a).
- the decor can be printed directly or digitally on at least part of the surface of the support surface.
- the three-dimensional structure produced by embossing in step b) is synchronized with the applied decoration.
- a further preferred embodiment comprises a method according to the invention in which a dyed hot coating coating is applied to the carrier surface before the reactive melt mass is applied in step a).
- a reactive polyurethane-based melt which is applied to such a printed carrier surface in the course of the hot coating system, has the advantage that a single application is possible even with high layer thicknesses.
- Layer thicknesses in the range of 50 ⁇ to 800 ⁇ are feasible.
- the layer thickness is 50 ⁇ to 300 ⁇ , more preferably 50 ⁇ to 200 ⁇ .
- the varying layer thicknesses over a wide range can be generated by a single application, which represents an advantageous time savings. This is in contrast to conventional paint coatings, which are applied in several layers with appropriate intermediate sanding and drying steps.
- different stress classes for example Stress class 21 (living / moderate) to stress class 33 (commercial / strong) for floor elements in accordance with DIN EN 13329 (01/2009).
- the polyurethane-based reactive enamel is a solid product at room temperature, free of emissions and solvents.
- the temperature at which the reactive melt is applied is in the range from 60 ° C to 150 ° C, preferably from 100 ° C to 140 ° C, the product having a BROOKFIELD viscosity at 120 ° C in the range of 1. 000 mPas to 30,000 mPas, preferably 4,000 mPas to 10,000 mPas.
- the density of the reactive melt is usually 1, 1 g / m 2 .
- the layer of reactive polyurethane-based melt can, for example, be doctored, rolled on, sprayed on or applied by means of nozzles or slot dies, or by curtain coating or by fibers (thread application).
- the reactive melt layer even in the cured state to a certain residual elasticity.
- the curing takes place in addition to a physical solidification at least partially - in particular exclusively - by moisture curing using the humidity.
- the reactive melt composition may include additives, auxiliaries and / or fillers, wherein particles of a filler component can be varied within a wide range in terms of material, particle size, shape and weight. Due to the good integration of the particles of the filler component in the reactive melt with high viscosity and special rheology, the particles remain largely evenly distributed even at a higher processing temperature, so that no additional mixing is necessary.
- the not yet fully cured reactive melt layer can be coated with a lacquer layer, wherein the lacquer layer is a protection and at the same time a surface effect.
- the paint application may be provided before the actual embossing step, after the embossing step or both before and after the embossing step.
- a complete curing of the applied reactive melt on the basis of polyurethane and optionally the applied lacquer layer are not required.
- the lacquer or lacquers used can be any lacquer, advantageously the lacquer is characterized by a short curing time.
- 2-component polyurethane paints, nitro paints or water-based paints are mentioned.
- the paint can be applied by a conventional coating method, wherein a coating layer has thicknesses of 5 ⁇ to 25 ⁇ .
- a combined reactive enamel / lacquer layer combines the positive properties of the individual layers.
- the reactive melt can cure, even if the applied paint layer prevents direct contact of the reactive melt layer with the surrounding air.
- An improvement can be achieved by smoothing the layer after the reactive melt has been applied to the support surface, wherein the heat is advantageously smoothed using, for example, a smoothing roll or a smoothing strip.
- a corresponding smoothing step is known, for example, from WO 2006/066954 A1.
- step a a step is provided in which the layer of reactive polyurethane-based hot melt applied to the carrier surface is smoothed.
- embossing The generation of a structured surface, also referred to as embossing, is promoted by the HotCoating system in that a coated layer system is also possible with a large layer thickness, in particular since the curing according to the principle of moisture crosslinking is not limiting.
- the layer thickness is directly related to the tread depth of the embossed structure.
- the inventive method offers the possibility of the high layer thickness to produce a clear depth structure, even if the support surface itself is not coined.
- layer thicknesses of 50 to 200 ⁇ and - as stated above - even greater thicknesses are applied.
- the embossing may also include embossing of the provided carrier surface, in particular if the carrier surface consists at least partially of the material cork.
- the known processes for the production of structured surfaces by means of a topcoat layer and a paint structure applied or produced thereon in the context of a further paint layer are in contrast to the process according to the invention, which advantageously utilizes the properties of the hot coating system.
- the reactive melt based on polyurethane cures by chemical crosslinking with the moisture present in the environment, wherein an applied and therefore covering paint layer does not preclude the curing.
- An embossing of a combined layer system is possible in a simple manner, wherein an embossing both inline or to later or offline.
- the embossing can take place, for example, with an embossing roller or calendering roller which has a surface structure, a negative image of the surface structure of the embossing roller being produced on the uppermost surface of the coated carrier surface.
- embossing rollers made of plastic, wood or textile can be used.
- an embossing die designed as an embossing roll is preferably used in embossing in step b), which consists of a material selected from metal, plastic, wood, rubber and textile.
- embossing in step b which consists of a material selected from metal, plastic, wood, rubber and textile.
- the production of the embossed surface structure by means of a short-cycle press with an embossing tool in the form of a press plate or an endless belt, also referred to as a structured transfer film can be produced.
- metal stamping dies have been used wherein a printed sheet pretreated with a mask is etched such that the areas not covered by the mask are etched. To create a deep structure several steps are required.
- embossing dies In addition to metallic embossing dies, the use of PET foils as embossing dies is known, with partial removal of material in the form of depressions by etching. Suitable embossing or pressing molds have a surface roughness of up to 1000 ⁇ . Embossing molds can be designed as matrices made of metal, plastic, wood, rubber, stone or textile.
- the embossing in step b) can take place with an embossing roller or a flat embossing mold.
- a structured transfer film can be used as a stamping mold, in particular of metal, plastic or textile.
- the method according to the invention for the production of structured surfaces on a carrier surface coated by means of a hot coating process comprises, after the application of a reactive melt-mass layer and possibly a lacquer layer, the actual embossing of the uppermost surface.
- further layers can be provided for the production of a layer system, whereby the layer thickness to be embossed increases and accordingly larger profile depths are achieved.
- some parameters can be varied.
- an engraving depth to be achieved of the generated surface structure is in Connection to the time interval between the application of the reactive melt and the possible paint layer and the embossing step, which can also be referred to as crystallization or curing time.
- the more crosslinked the applied reactive melt is, ie the more advanced the cure, the higher the temperature and pressure for the embossing step to choose, or the flatter and fuzzier is a three-dimensional structure to achieve.
- embossing in step b) can take place immediately without a time delay. Typically, however, there is a time delay of 20 seconds to 72 hours.
- the crystallization or hardening time to be maintained in an in-line process is between 30 s and 4 h.
- the crystallization or curing time can be extended up to 24 h or 72 h, whereby ideal embossing results are achieved and the applied coating system hardens before, during and / or after the embossing step , It is particularly advantageous that even a small crystallization or hardening time is possible before the embossing step, without losing the generated three-dimensional surface structure by resetting effects on sharpness and / or depth.
- the three-dimensional structure produced by embossing in step b) can only extend into the layer or layers applied to the carrier surface or into the carrier surface. Furthermore, the temperature prevailing during the embossing process is important. Preferred is a temperature range of 20 ° C to 180 ° C. If the temperature is too high, color changes may occur in the applied layer (s). It should be noted that certain materials of the embossing mold have an insulating effect, so that the temperature at the surface to be structured is different than that of the embossing mold. In this case, the embossing mold is preferably heated.
- the embossing in step b) is preferably carried out at a temperature in the range of 20 ° C to 180 ° C, wherein the embossing mold is heated.
- Another parameter of the embossing process is the contact pressure and the contact time. According to the invention, depending on the embossing or pressing tool, a contact pressure be applied from 30 bar to 150 bar, with a contact pressure of 5 seconds to 20 seconds is maintained.
- a particular advantage of the method according to the invention for producing structured surfaces on a carrier surface coated by means of hot coating is to produce identical structures in a simple, cost-saving and time-saving manner, as they are known from nature, which have a particularly attractive appearance and feel .
- the process offers the opportunity to meet the high resistance requirements for a variety of applications, from furniture parts to floor elements.
- the physical and chemical properties of the reactive polyurethane-based melt with a combined coating application in the course of HotCoatings prove to be advantageous in terms of embossing, since largely no recovery effects are to be expected.
- the surface structures obtained by embossing are retained as they are immediately after embossing.
- FIG. 1 shows a device or plant for the production of plate-shaped products with a decor and a structuring surface having.
- FIG. 1 shows a device 1 or system for producing plate-shaped products with a decoration, for example furniture boards, floor elements, wall or ceiling panels.
- support surfaces 2 shown in Figure 1 as plate-shaped products are arranged on a transport device 4, which are successively different processing stations 6, 8, 10, respectively.
- the transport device 4 may be formed as a conveyor roller conveyor with conveyor rollers.
- the transport direction of the support surface 2 is indicated by an arrow 3. It is also conceivable that a single large-area support surfaces 2 or a machined endless workpiece, which are separated at a later date.
- the support surface 2 may also be referred to as a carrier substrate.
- the support surface 2 may be wood-based, for example chipboard, medium density fiberboard, high density fiberboard or hardboard, or cork. Also suitable are inorganic bonded plates (e.g., gypsum, gypsum fiber, cement), plastic (e.g., PVC, acrylic, PP, etc.), compact plates (e.g., resin impregnated papers), sandwich constructions, lightweight panels (e.g., a honeycomb core with conformal liners), and / or linoleum.
- inorganic bonded plates e.g., gypsum, gypsum fiber, cement
- plastic e.g., PVC, acrylic, PP, etc.
- compact plates e.g., resin impregnated papers
- sandwich constructions e.g., a honeycomb core with conformal liners
- lightweight panels e.g., a honeycomb core with conformal liners
- the support surface 2 (not shown) in a processing station with a decor, for example digitally printed.
- a film or paper provided with a decor may be laminated to the support surface 2.
- the decor such as a wood, natural stone or other decor can be printed by means of one or more printing rollers or a digital printing device, which post-processing devices, for example, for drying or partial drying of the printed decor image, can follow.
- a subsequent processing station 6, which is also referred to as an application station the thus occupied or printed carrier surface 2, which may be preheated, is coated with a reactive melt based on polyurethane by means of a HotCoating process.
- the application station 6 comprises a metering roller 12, which is in contact with an applicator roller 14, therebetween is the reactive melt (not shown).
- the applicator roll 14 runs in a direction indicated by arrow 15 direction.
- the application roller 14 is applied reactive melt on a surface 16 of the support surface 2 in a certain layer thickness.
- the reactive melt is heated and used in a liquid-viscous state, whereby heating by means of the metering roll 12 can be provided.
- a smoothing station 18 for smoothing the applied reactive melt, wherein a smoothing roll 20 circulates counter to the transport direction 3 of the support surface 2, indicated by arrow 22.
- the smoothing roll 20 follows closely arranged on the applicator roll 14, or is in contact with this.
- the smoothing roller 20 contacts the carrier surface 2 via the area occupied by the reactive melt area of the surface 16.
- With 24 is a doctor device referred to, which is arranged on the smoothing roller 20 in order to strip off the adhering to the smoothing roll 20 reactive melt.
- Other embodiments of the smoothing station 18 are conceivable, for example a heat supply, the use of a smoothing belt instead of a smoothing roll 20.
- the carrier surface 2 thus occupied passes through a processing station 8 in which a coating is applied, preferably in a so-called wet-on-wet process. Since, surprisingly, a complete curing of the applied reactive melt layer is not required, the application of the paint can take place directly, in particular before complete curing of the reactive melt layer.
- the paint used may be any paint, preferably a UV-curing paint.
- the processing station 8 is designed, for example, for a roller application, as indicated in FIG. 1, for a spray application or for a curtain coating process. A subsequent curing process can be carried out for example by means of a device 26, wherein UV light or UV lamps can be used.
- an embossing with a stamping mold 28 of the carrier surface 2 coated in such a way to produce a three-dimensional Structure of the surface in FIG. 1, it is indicated that the processing station 10, also referred to as an embossing station, comprises an embossing mold 28 designed as a pair of rollers with a pressure cylinder and an impression cylinder 30, 32.
- the printing cylinder 30 has a casing, on the surface of elevations and depressions are formed, which are impressed when rolling on the surface of the thus coated support surface 2 as a negative mold.
- the elevations and depressions are designed both in their distribution and in their depth and shape in such a way that a natural haptic is imaged.
- the embossing can take place by means of a stamping mold 28 designed as a press sheet by means of a short-cycle press.
- the embossing mold 28 can be heated by a corresponding heating device, wherein advantageously the curing of the previously applied layers is achieved connected with an increased adhesion.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Floor Finish (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI201631323T SI3288688T1 (sl) | 2015-04-30 | 2016-04-26 | Postopek za izdelavo strukturiranih površin in predmeti, strukturirani na tak način |
PL16723263T PL3288688T3 (pl) | 2015-04-30 | 2016-04-26 | Sposób wytwarzania ustrukturyzowanych powierzchni i wyroby ustrukturyzowane w ten sposób |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102015005495.3A DE102015005495A1 (de) | 2015-04-30 | 2015-04-30 | Verfahren zur Herstellung von strukturierten Oberflächen und derart strukturierte Gegenstände |
PCT/EP2016/059267 WO2016174021A1 (de) | 2015-04-30 | 2016-04-26 | Verfahren zur herstellung von strukturierten oberflächen und derart strukturierte gegenstände |
Publications (2)
Publication Number | Publication Date |
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EP3288688A1 true EP3288688A1 (de) | 2018-03-07 |
EP3288688B1 EP3288688B1 (de) | 2021-06-09 |
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ID=56014955
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Application Number | Title | Priority Date | Filing Date |
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EP16723263.6A Active EP3288688B1 (de) | 2015-04-30 | 2016-04-26 | Verfahren zur herstellung von strukturierten oberflächen und derart strukturierte gegenstände |
Country Status (15)
Country | Link |
---|---|
US (1) | US20180353992A1 (de) |
EP (1) | EP3288688B1 (de) |
JP (1) | JP6672333B2 (de) |
CN (1) | CN107530734B (de) |
AU (1) | AU2016256168B2 (de) |
BR (1) | BR112017019438B1 (de) |
CA (1) | CA2980263C (de) |
DE (1) | DE102015005495A1 (de) |
ES (1) | ES2883250T3 (de) |
LT (1) | LT3288688T (de) |
PL (1) | PL3288688T3 (de) |
PT (1) | PT3288688T (de) |
RU (1) | RU2692347C2 (de) |
SI (1) | SI3288688T1 (de) |
WO (1) | WO2016174021A1 (de) |
Cited By (1)
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WO2022078946A1 (de) * | 2020-10-12 | 2022-04-21 | Renolit Se | UV SCHUTZFOLIE FÜR DEN AUßENBEREICH |
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DE102017001274A1 (de) | 2017-02-10 | 2018-08-16 | K.L. Kaschier- Und Laminier Gmbh | Verbundplatte |
EP3453464B1 (de) * | 2017-09-11 | 2020-11-04 | Hesse GmbH & Co. KG | Walzenauftrag von lacken und holzoberflächen |
DE102017125744A1 (de) | 2017-11-03 | 2019-05-09 | Falquon Gmbh | Verfahren zur Herstellung einer dekorierten Oberfläche eines Gegenstandes |
DE102017221708A1 (de) | 2017-12-01 | 2019-06-06 | Klebchemie, M.G. Becker Gmbh & Co Kg | Vorrichtung und Verfahren zum Aufschmelzen eines Schmelzklebstoffes |
CN109108769A (zh) * | 2018-10-11 | 2019-01-01 | 德清誉丰装饰材料有限公司 | 一种便于贴面板生产的压花装置 |
NL2022381B1 (en) * | 2019-01-11 | 2020-08-13 | Trespa Int Bv | A method of fabricating a décor |
PL3702172T3 (pl) * | 2019-03-01 | 2022-08-16 | Flooring Technologies Ltd. | Sposób produkcji wielowarstwowego panelu o powierzchni strukturyzowanej oraz panel produkowany tym sposobem |
DE102019203173B4 (de) * | 2019-03-08 | 2021-09-16 | Peter Jakob | Verfahren zur Herstellung eines dreidimensionalen Motiv-/Informationsträgers sowie entsprechend hergestellter Motiv-/Informationsträger |
DE102020115796A1 (de) * | 2020-06-16 | 2021-12-16 | Klebchemie M.G. Becker GmbH & Co KG | Folienverbund und dessen Herstellung durch eine Beschichtungsanlage |
DE102022107719A1 (de) * | 2022-03-31 | 2023-10-05 | Renolit Se | UV Schutzfolie für den Außenbereich |
NL2029278B1 (en) * | 2021-09-29 | 2023-04-06 | Champion Link Int Corp | Decorative panel and method for producing decorative panel |
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DE1962407C3 (de) * | 1969-12-12 | 1980-04-17 | Herberts Gmbh, 5600 Wuppertal | Verfahren zur Herstellung von mit geschmolzenen Kunstharzen beschichteten flächigen Trägermaterialien |
US4474920A (en) * | 1981-04-08 | 1984-10-02 | The Celotex Corporation | Embossable coating |
US6180172B1 (en) * | 1994-11-29 | 2001-01-30 | Henkel Kommanditgesellschaft Auf Aktien | Process and apparatus for treating surfaces |
DE19916628C2 (de) * | 1999-04-13 | 2001-07-19 | Freudenberg Carl Fa | Verfahren zur Herstellung fixierbarer Einlagestoffe |
DE19961941A1 (de) * | 1999-12-22 | 2001-07-05 | Henkel Kgaa | Polyurethan-Zusammensetzungen auf der Basis von Polyether-Copolymeren |
CN1214918C (zh) * | 2002-05-17 | 2005-08-17 | 长春一塑汽车内饰材料有限公司 | 一种塑料复合片材及其制造方法 |
DE10354482B4 (de) * | 2003-11-21 | 2008-04-10 | Parkett Franz Gmbh | Verfahren und Vorrichtung zum Beschichten von Holz oder Holzwerkstoffen |
DE102004032058B4 (de) * | 2004-07-01 | 2009-12-03 | Fritz Egger Gmbh & Co. | Verfahren zum Herstellen einer Platte mit einer ein Dekor aufweisenden Oberfläche und Platte mit einer dekorativen Oberfläche |
ES2425197T3 (es) | 2004-10-05 | 2013-10-14 | Fritz Egger Gmbh & Co. Og | Procedimiento y dispositivo para fabricar una superficie estructurada |
DE102004057292A1 (de) | 2004-11-26 | 2006-06-01 | Klebchemie, M.G. Becker Gmbh & Co Kg | Verfahren zur Herstellung von reaktiven Polyurethanzusammensetzungen |
DE102004061771A1 (de) | 2004-12-22 | 2006-07-06 | Klebchemie M.G. Becker Gmbh +Co.Kg | Verfahren zur Versiegelung von Oberflächen |
DE102005016516A1 (de) | 2005-04-08 | 2006-10-12 | Klebchemie M.G. Becker Gmbh & Co. Kg | Mehrstufig härtende Oberflächenbeschichtung |
DE102006007976B4 (de) * | 2006-02-21 | 2007-11-08 | Flooring Technologies Ltd. | Verfahren zur Veredelung einer Bauplatte |
DE102007019978B3 (de) * | 2007-04-27 | 2008-10-23 | Kronotec Ag | Bauplatte, insbesondere Fußbodenpaneel, und Verfahren zu deren Herstellung |
DE102007062600A1 (de) * | 2007-12-21 | 2009-06-25 | Akzenta Paneele + Profile Gmbh | Verfahren zur Herstellung eines dekorativen Laminats |
DE102009002048A1 (de) * | 2009-03-31 | 2010-10-07 | Klebchemie M.G. Becker Gmbh & Co. Kg | Haftvermittler für Lackierungen und Drucke |
DE102010036454B4 (de) * | 2010-07-16 | 2012-09-27 | Fritz Egger Gmbh & Co. Og | Verfahren zum Herstellen eines ein Dekor und eine dreidimensionale Struktur aufweisenden Paneels und Paneel, hergestellt nach dem Verfahren |
DE102010063554A1 (de) * | 2010-12-20 | 2012-06-21 | Klebchemie M.G. Becker Gmbh & Co. Kg | Hochglanzoberfläche durch HotCoating |
CN103429631B (zh) | 2010-12-20 | 2018-07-24 | 粘合化学M.G.贝克尔有限及两合公司 | 具有耐磨填料的反应性聚氨酯组合物 |
JP5916627B2 (ja) * | 2010-12-24 | 2016-05-11 | 関西ペイント株式会社 | 耐久性に優れた耐汚染塗料組成物 |
-
2015
- 2015-04-30 DE DE102015005495.3A patent/DE102015005495A1/de not_active Withdrawn
-
2016
- 2016-04-26 CN CN201680022227.3A patent/CN107530734B/zh active Active
- 2016-04-26 JP JP2017556683A patent/JP6672333B2/ja active Active
- 2016-04-26 CA CA2980263A patent/CA2980263C/en active Active
- 2016-04-26 WO PCT/EP2016/059267 patent/WO2016174021A1/de active Application Filing
- 2016-04-26 PT PT167232636T patent/PT3288688T/pt unknown
- 2016-04-26 ES ES16723263T patent/ES2883250T3/es active Active
- 2016-04-26 LT LTEPPCT/EP2016/059267T patent/LT3288688T/lt unknown
- 2016-04-26 RU RU2017134505A patent/RU2692347C2/ru active
- 2016-04-26 US US15/562,337 patent/US20180353992A1/en not_active Abandoned
- 2016-04-26 EP EP16723263.6A patent/EP3288688B1/de active Active
- 2016-04-26 BR BR112017019438-4A patent/BR112017019438B1/pt active IP Right Grant
- 2016-04-26 PL PL16723263T patent/PL3288688T3/pl unknown
- 2016-04-26 AU AU2016256168A patent/AU2016256168B2/en active Active
- 2016-04-26 SI SI201631323T patent/SI3288688T1/sl unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022078946A1 (de) * | 2020-10-12 | 2022-04-21 | Renolit Se | UV SCHUTZFOLIE FÜR DEN AUßENBEREICH |
Also Published As
Publication number | Publication date |
---|---|
PL3288688T3 (pl) | 2021-12-13 |
AU2016256168A1 (en) | 2017-10-12 |
US20180353992A1 (en) | 2018-12-13 |
CN107530734A (zh) | 2018-01-02 |
CA2980263C (en) | 2023-02-21 |
RU2692347C2 (ru) | 2019-06-24 |
JP2018516780A (ja) | 2018-06-28 |
ES2883250T3 (es) | 2021-12-07 |
PT3288688T (pt) | 2021-08-16 |
WO2016174021A1 (de) | 2016-11-03 |
RU2017134505A (ru) | 2019-04-05 |
CN107530734B (zh) | 2021-07-30 |
EP3288688B1 (de) | 2021-06-09 |
BR112017019438A2 (pt) | 2018-05-02 |
AU2016256168B2 (en) | 2021-04-08 |
RU2017134505A3 (de) | 2019-04-18 |
BR112017019438B1 (pt) | 2021-12-28 |
CA2980263A1 (en) | 2016-11-03 |
SI3288688T1 (sl) | 2021-10-29 |
DE102015005495A1 (de) | 2016-11-03 |
LT3288688T (lt) | 2021-09-10 |
JP6672333B2 (ja) | 2020-03-25 |
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