EP3835079B1 - Digitaldruckstrukturierte verschleissschutzfolie mit einstellbarem glanzgrad - Google Patents

Digitaldruckstrukturierte verschleissschutzfolie mit einstellbarem glanzgrad Download PDF

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Publication number
EP3835079B1
EP3835079B1 EP19215652.9A EP19215652A EP3835079B1 EP 3835079 B1 EP3835079 B1 EP 3835079B1 EP 19215652 A EP19215652 A EP 19215652A EP 3835079 B1 EP3835079 B1 EP 3835079B1
Authority
EP
European Patent Office
Prior art keywords
top layer
lacquer
containing top
structuring
paint
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
EP19215652.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3835079A1 (de
Inventor
Hans-Jürgen HANNIG
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.)
Akzenta Paneele and Profile GmbH
Original Assignee
Akzenta Paneele and Profile GmbH
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
Priority to ES19215652T priority Critical patent/ES2960896T3/es
Application filed by Akzenta Paneele and Profile GmbH filed Critical Akzenta Paneele and Profile GmbH
Priority to PL19215652.9T priority patent/PL3835079T3/pl
Priority to PT192156529T priority patent/PT3835079T/pt
Priority to EP19215652.9A priority patent/EP3835079B1/de
Priority to US17/773,901 priority patent/US20220379649A1/en
Priority to EP20821009.6A priority patent/EP4072867A1/de
Priority to CA3154100A priority patent/CA3154100C/en
Priority to MX2022006642A priority patent/MX2022006642A/es
Priority to BR112022004839A priority patent/BR112022004839A2/pt
Priority to KR1020227013469A priority patent/KR20220063266A/ko
Priority to CN202080079684.2A priority patent/CN114728540B/zh
Priority to KR1020247016275A priority patent/KR20240074917A/ko
Priority to PCT/EP2020/085834 priority patent/WO2021116447A1/de
Publication of EP3835079A1 publication Critical patent/EP3835079A1/de
Application granted granted Critical
Publication of EP3835079B1 publication Critical patent/EP3835079B1/de
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
    • 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
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/0469—Ornamental plaques, e.g. decorative panels, decorative veneers comprising a decorative sheet and a core formed by one or more resin impregnated sheets of paper
    • B44C5/0476—Ornamental plaques, e.g. decorative panels, decorative veneers comprising a decorative sheet and a core formed by one or more resin impregnated sheets of paper with abrasion resistant properties
    • 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
    • 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
    • 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
    • B05D5/061—Special surface effect
    • 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
    • B05D5/12—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a coating with specific electrical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/0041—Digital printing on surfaces other than ordinary paper
    • B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
    • B44C3/02—Superimposing layers
    • B44C3/025—Superimposing layers to produce ornamental relief 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
    • 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
    • B05D3/06—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 exposure to radiation
    • B05D3/061—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 exposure to radiation using U.V.
    • B05D3/065—After-treatment
    • B05D3/067—Curing or cross-linking the coating

Definitions

  • the present invention relates to a method for producing a wear protection film structured by digital printing, in particular by negative structuring, with an adjustable degree of gloss.
  • Structured surfaces for protection against wear are known per se and are used in particular to protect decorative panels.
  • decorative panel is to be understood as meaning wall, ceiling, door or floor panels which have a decoration applied to a carrier plate.
  • Decorative panels are used in a variety of ways both in the field of interior design of rooms and for decorative cladding of buildings, for example in trade fair construction.
  • One of the most common areas of application for decorative panels is their use as floor coverings, to cover ceilings, walls or doors.
  • the decorative panels often have a decoration and a surface structure which is intended to imitate a natural material.
  • a decor template imitating surface structuring is introduced, so that the surface of the decorative panel has a haptically perceptible structure, which is adapted to the applied decoration in terms of shape and pattern in order to obtain a reproduction of a natural material that is as true to the original as possible, also with regard to the haptics.
  • the structure is introduced in a known manner using embossing tools.
  • a disadvantage of such methods can be that in particular the formation of small and locally limited structures, such as pores, is only possible with difficulty.
  • the exact alignment of the embossing tools relative to the decor can cause problems.
  • variations in the structure can only be implemented with great effort and, for example, small production series are comparatively uneconomical since embossing tools have to be produced and exchanged for each series.
  • it can be disadvantageous that such structuring can require considerable forces, which is why the structuring requires a stable base and is therefore usually carried out directly on the decorative panel. This can lead to restrictions in process management in particular.
  • This object is achieved by a method for producing a structured anti-wear film according to claim 1.
  • structured anti-wear film is to be understood in the context of the invention as meaning a film that can be applied to panels or other material, has structures that can be felt haptically and protects against wear.
  • the term “wear protection base film” is to be understood as meaning a film that can be applied to panels or other material, does not have to have any special structuring and can serve as a substrate for the application of structures.
  • the term "moldable” is to be understood as meaning a material which is plastically deformable, ie changes its shape through the action of force.
  • the material can be liquid or solid, for example.
  • Formability of the paint-containing top layer can be made possible, for example, by suitably adjusting the viscosity of the paint-containing top layer.
  • digital printing method is to be understood as meaning a computer-controlled direct printing method.
  • the term “hardening” is to be understood as meaning that the malleable material loses its malleability.
  • a liquid moldable material be solidified.
  • a plastically deformable solid can be transformed into an elastically deformable solid, for example by hardening.
  • the material can partially lose its formability, ie lose its formability at certain points, for example on the surface. It can also be understood that the formability is only reduced and the material does not become completely non-formable. It can also be understood as complete hardening or final hardening.
  • a method described above for producing a wear protection film is therefore used in particular for the improved production of structured surfaces for wear protection.
  • a wear protection base film provides a substrate on which structuring can take place.
  • a malleable paint-containing top layer By applying a malleable paint-containing top layer to at least a portion of the wear protection base film, a layer that can be structured is provided, which is held by the wear protection base film and can therefore be easily shaped and can nevertheless be guided through the process with the wear protection base film.
  • Partial structuring of the paint-containing top layer using a digital printing process to produce a structuring of the paint-containing top layer allows a particularly detailed structuring of the paint-containing top layer to be obtained. Since no embossing tools have to be used with the digital printing process, the wear protection base film as a substrate can provide sufficient stability for the structuring.
  • Partial curing of the paint-containing top layer which in particular has a UV-curable paint, with preferably monochromatic radiation with a wavelength in a range from ⁇ 150 nm to ⁇ 250 nm, i.e. with very short-wave UV rays, leads to polymerization in the top layer of the paint.
  • a thin, hardened film forms on the surface because the penetration depth of the radiation is limited. Since the polymerization also causes a volume shrinkage, which in turn is reflected in surface folds of varying degrees, the film close to the surface shows micro-folds, which leads to a diffuse reflection of the light and thus to a matt surface.
  • the wear-protection base film is preferably conveyed through a chamber that is low in or empty of oxygen. This is done, for example, by supplying nitrogen to the area in which the paint-containing top layer is cured with UV radiation.
  • Final curing of the paint-containing layer can then be effected by final curing with UV radiation, which preferably has longer wavelengths than the partial curing.
  • UV radiation which preferably has longer wavelengths than the partial curing.
  • the method allows, in particular through the partial curing in the wavelength range described above, that very adaptable degrees of gloss can be set. Because, for example, the folding of the surface layer and thus the matting or the gloss levels are highly defined in the desired way by the parameters of the partial curing reproducibly adjustable. This thus allows an effective and easily definable adaptivity of the degree of gloss of the protective layer.
  • Such a matting of the surface include, for example, matting down to extremely low degrees of gloss without additional matting agents, which can make the process simple and economical, and high reproducibility is also possible.
  • the surface hardness is increased compared to normal, one-step curing.
  • the protective layer obtained also has other advantages, such as increased chemical resistance, good cleanliness during use thanks to the "anti-fingerprint effect" and very good scratch and abrasion resistance.
  • Exemplary parameters of the partial curing include, for example, non-limiting monochromatic wavelengths of, for example, 172 nm or 222 nm. Furthermore, a lamp power in a range of 10-25 W/cm and/or a dose rate of 10-30 mW/cm 2 can be advantageous. Possible line speeds of up to 100m/min per radiator are possible.
  • ozone can form at such wavelengths, it can be advantageous to carry out the precuring of the top coat containing lacquer in such a way that the surface comes into little or no contact with oxygen. Accordingly, a closed chamber with a nitrogen feed can be used for at least the partial curing. It is therefore fundamentally possible that the top coat containing paint during partial curing in an atmosphere is present which has a reduced oxygen content compared to normal ambient air, for example under a protective gas atmosphere, such as a nitrogen atmosphere.
  • drying can be carried out with particularly short wavelengths.
  • the UV radiation is absorbed comparatively less.
  • the UV radiation does not cause any reactions in the air, such as the reaction to ozone.
  • unwanted surface reactions can be avoided in this way, resulting in a particularly stable surface.
  • UV radiation of a wavelength in a range from >150 nm to ⁇ 450 nm, preferably from ⁇ 300 nm to ⁇ 410 nm, with the final curing preferably using a longer wavelength compared to the partial curing.
  • the paint-containing top layer is irradiated with UV radiation from a radiation source with an output of ⁇ 5 to ⁇ 30 W/cm in the second curing step, or during the final curing.
  • the structuring can be produced in a particularly detailed manner.
  • the structuring can be further improved. Because the presence of Undesirable and in particular undefined charges on the lacquer-containing top layer can lead to the printed material being deflected undesirably and the printed image thus being falsified. This would cause an unwanted or undefined change in the structure. However, this can be significantly improved by an electrostatic discharge, so that the desired structure can be formed with high precision and reproducibility.
  • a defined amount of charge can then be supplied to the paint-containing top layer after the electrostatic discharge.
  • electrostatic charging after an electrostatic discharging, it can be achieved that a particularly defined electrostatic charging is made possible since local charge peaks can be prevented.
  • the type, i.e. positive or negative polarity, and size of the introduced or applied charge can be selected depending on the material of the wear protection base film or the paint-containing top layer and/or the printing process and/or other factors.
  • discharge can be performed in a range greater than or equal to 7kV.
  • provision can be made for the electrostatic charging to be carried out in a range from greater than 0 kV to less than or equal to 15 kV.
  • essentially parallel can mean a deviation or tolerance of ⁇ 20%, in particular ⁇ 10%, for example ⁇ 1% of the distance between the surface of the strip and the surface of the paint-containing top layer.
  • the bar can be aligned transversely to the direction of movement or production direction of the film and positioned above and/or below the unloaded arrangement.
  • the device for dissipating electrostatic charges and/or applying electrostatic charges has at least one Has a roller, brush or lip made of a conductive material, which makes electrically conductive contact with the carrier at least in the area of the printing unit and which is connected to an electrical ground potential.
  • the electrical ground potential can be provided by grounding, for example.
  • the strip, roller, brush or lip is preferably formed from a material with a conductivity of ⁇ 1 ⁇ 10 3 Sm ⁇ 1 , at least in the area of contact with the lacquer-containing cover layer.
  • this has an ionization device upstream of the printing unit, by means of which an ionized air jet is guided over the lacquer layer. It has been shown that exposure to ionized air is suitable for further reducing or increasing the occurrence of electrostatic charging of the carrier.
  • the wear protection base film and/or the mouldable, paint-containing top layer has an acrylate-based plastic composition, in particular a polyurethane-modified acrylate plastic composition.
  • the moldable paint-containing top layer has the plastic composition in an as yet uncured form, so that the top layer can be shaped, and that the wear protection base film has the plastic composition in an at least partially cured form, so that it can serve as a substrate for the moldable paint-containing top layer.
  • the structured anti-wear film is flexible overall and at the same time has particularly good protective properties, such as stability, scratch resistance, heat resistance, water resistance and the like.
  • the high-energy, short-wave UV radiation leads to additional cross-linking of the monomers. This increases the surface hardness considerably.
  • the plastics composition can preferably have a dipropylene glycol diacrylate, preferably in an amount of >0 to ⁇ 15% by weight, based on the plastics composition, and a reaction product of pentaerythritol, epichlorohydrin and acrylic acid, preferably in an amount of ⁇ 2 to ⁇ 15% by weight, based on the plastics composition.
  • the plastics composition can additionally have a catalyst, preferably in an amount of ⁇ 1 to ⁇ 10% by weight, based on the plastics composition.
  • the catalyst can preferably be a tertiary ammonium salt, in particular a tertiary ammonium salt selected from the group consisting of tetrabutylammonium bromide, methyltrioctylammonium chloride, benzyltriethylammonium chloride, hexadecyltrimethylammonium bromide and mixtures thereof.
  • the catalyst can be tetrabutylammonium bromide.
  • the plastics composition can additionally have a photoinitiator, preferably in an amount of ⁇ 0.1 to ⁇ 2% by weight, based on the plastics composition.
  • the photoinitiator may be a phosphine oxide, preferably an aromatic phosphine oxide, especially phenylbis(2,4,6-trimethylbenzoyl) phosphine oxide.
  • the moldable paint-containing top layer and the wear protection base film both have the same plastic composition.
  • the moldable paint-containing top layer and the Wear-protection base film essentially consists of the same material after the paint-containing top layer has hardened.
  • the optical impression of the structured anti-wear film is improved, since the anti-wear base film and the paint-containing top layer also have the same optical properties after curing and thus unwanted refraction of light between the two layers can be avoided.
  • the wear-protection base film and/or the mouldable paint-containing top layer has hard materials, preferably in an amount of between ⁇ 5% by weight and ⁇ 40% by weight, with the hard materials preferably having an average grain diameter of between 10 ⁇ m and 250 ⁇ m.
  • the term “hard materials” is understood to mean materials that have sufficient hardness.
  • the hard materials can have a Mohs hardness of at least ⁇ 8, preferably at least ⁇ 9.
  • suitable hard materials are titanium nitride, titanium carbide, silicon nitride, silicon carbide, boron carbide, tungsten carbide, tantalum carbide, aluminum oxide (corundum), zirconium oxide, zirconium nitride or mixtures of these.
  • the structured anti-wear film can be particularly abrasion-resistant.
  • Hard materials in the wear protection base film enable abrasion protection over the entire surface of the structured wear protection film.
  • Hard substances in the formable paint-containing top layer enable abrasion protection of the structure after curing of the paint-containing top layer. In this way it can be achieved that the structure is less dulled by stress.
  • the formable paint-containing top layer has a thickness of ⁇ 1 ⁇ m to ⁇ 5 mm, preferably from ⁇ 10 ⁇ m to ⁇ 200 ⁇ m, in particular ⁇ 50 ⁇ m to ⁇ 60 ⁇ m. It can be provided that the paint-containing top coat is applied in an application quantity of ⁇ 50 g/m 2 to ⁇ 100 g/m 2 , preferably ⁇ 60 g/m 2 to ⁇ 80 g/m 2 , for example 70 g/m 2 .
  • the formable paint-containing top layer has a material that can be cured by electromagnetic radiation, in particular a material that can be cured by UV radiation and/or IR radiation, particularly preferably a material that can be cured by UV radiation.
  • a material that can be cured by electromagnetic radiation is understood to mean a material in which a chemical reaction can be initiated by electromagnetic radiation, as a result of which the material becomes harder.
  • this chemical reaction can be a polymerization or a crosslinking reaction.
  • the partial structuring of the lacquer-containing top layer is carried out using a digital printing method by spraying on a displacement ink using an inkjet method.
  • the term “spraying on” means that a material is applied as an aerosol jet to a substrate in the form of particles and/or drops.
  • the term “displacement ink” means an ink for example a liquid, solution or suspension which partially displaces a malleable material when it hits it.
  • the term “inkjet method” is understood to mean a method in which an ink is applied in a matrix via one or more nozzles.
  • the mouldable, paint-containing cover layer is structured by the impingement of the displacement ink.
  • the impact of a droplet or particle can create indentations such as craters or valleys, at the bottom of which the ink remains. Due to the displacement during the formation of the depression, a wall can also arise around the depression, which represents an elevation.
  • a displacement ink a negative patterning method can be used.
  • the displacement ink essentially consists of an ink composition selected from the group consisting of acrylate-based plastic, polyurethane-modified acrylate plastic, water, organic solvent or mixtures thereof.
  • an ink composition selected from the group consisting of acrylate-based plastic, polyurethane-modified acrylate plastic, water, organic solvent or mixtures thereof.
  • the ink composition contains an ethoxyethyl acrylate, preferably 2-(2-ethoxyethoxy)ethylene acrylate, preferably in an amount of ⁇ 20 to ⁇ 40% by weight, based on the ink composition.
  • the ink composition has an ethoxylated polyol esterified with acrylic acid, preferably 1,1,1-trimethylolpropane ethoxylate triacrylate, preferably in an amount of ⁇ 20 to ⁇ 40% by weight, based on the ink composition.
  • the ink composition is a urethane acrylate, preferably in an amount of ⁇ 10 to ⁇ 20% by weight, based on the ink composition.
  • the ink composition contains pentaerythritol acrylic acid ester, preferably in an amount of ⁇ 5 to ⁇ 10% by weight, based on the ink composition.
  • the ink composition has amine-modified acrylic oligomers, in particular reaction products of tripropylene glycol diacrylate with diethylamine, preferably in an amount of ⁇ 5 to ⁇ 10% by weight, based on the ink composition.
  • a drop velocity, a drop volume and a position of the displacement ink sprayed can be varied according to a three-dimensional digital template.
  • the depth of the structure can also be varied by varying the droplet volume.
  • the width of depressions in particular can be varied. Varying the position adjusts where the indentations and elevations are. This will give you total control achieved via the structuring, so that a desired structure can be generated according to a three-dimensional digital template.
  • the term “three-dimensional digital template” is understood to mean a template that three-dimensionally reproduces a structure, the template being stored on a digital medium, for example, in the form of a CAD model.
  • the digital template is generated using a decoration, with the digital template providing complementary indentations and elevations corresponding to the feel of the decoration.
  • the haptic perception of the wear protection film corresponds to the visual perception of a decoration, so that, for example, a decorative panel makes a particularly high-quality overall impression.
  • the structuring can be applied synchronously with a decoration.
  • the structuring can be directly aligned with the digital printing process in such a way that the structuring is generated synchronously with the decor.
  • a “carrier” can be understood in particular as a layer serving as a core or as a base layer in a finished panel, which can in particular have a natural material such as a wood material, a fiber material or a material comprising a plastic.
  • the backing may provide or add appropriate stability to a panel.
  • the carrier can in particular be a web-like carrier or plate-shaped carrier.
  • the carrier can particularly preferably have a material comprising a plastic.
  • Plastics which can be used in the production of corresponding panels or the carrier are, for example, thermoplastics such as polyvinyl chloride, polyolefins (for example polyethylene (PE), polypropylene (PP), polyamides (PA), polyurethanes (PU), polystyrene (PS), acrylonitrile butadiene styrene (ABS), polymethyl methacrylate (PMMA), polycarbonate (PC), polyethylene terephthalate (PET), polyether ether ketone (PEEK) or mixtures or copolymers of these.
  • the plastics can contain conventional fillers e contain, for example, calcium carbonate (chalk), aluminum oxide, silica gel, quartz flour, wood flour, gypsum.
  • a decoration can be applied to the carrier by a printing process, for example.
  • a suitable printing substrate can also be provided on the carrier.
  • the decoration is applied in such a way that, for example, a fiber layer that has already been printed, such as a paper layer, or also a film that has already been printed, such as for example made of polyethylene, polypropylene or polyvinyl chloride, is applied to the carrier, or that the fiber layer or the film is printed on the carrier.
  • the decor can also be provided with a paint-containing layer that is located between the wear-protection base film and the decor after the wear-protection base film has been applied.
  • a structured anti-wear film is also produced by the method according to the invention.
  • a structured wear protection film is provided, produced by the method according to the invention, comprising a wear protection base film with a paint-containing top layer applied and fixed to at least a partial area of the wear-protection base film, the paint-containing top layer having structures produced by the digital printing process.
  • a wear protection film it can be achieved that a material to be protected is protected against wear.
  • the film can already be applied to a material to be protected or be present individually. In this way, it is advantageously achieved that the film can be flexibly applied to a material to be protected, for example in contrast to an exclusively directly applied anti-wear layer. As a result, such a film can advantageously also be produced independently of the material to be protected.
  • Such a wear protection film can be produced easily and very adaptably with an adjustable degree of gloss or an adjustable matting.
  • a structured anti-wear film produced by the method according to the invention is also proposed.
  • the use of a structured wear protection film to protect a decorative panel is provided, with the decorative panel having a carrier and a decoration on at least a partial area of the carrier and the structured wear protection film being applied to the decoration, with the structuring of the paint-containing top layer being at least partially aligned synchronously with the decoration when the structured wear protection film is applied.
  • the structured anti-wear film is only applied to a decorative panel after production.
  • the at least partially synchronous alignment of the structuring of the wear protection film with respect to the decoration can be implemented with alignment marks, for example.
  • the production of protected decorative panels has greater flexibility.
  • the subsequent application of the structured wear-protection film also avoids the panel being deformed directly on the panel as a result of possible shrinkage during the hardening of wear-protection layers.
  • a decorative panel with a structured anti-wear film is also proposed.
  • a decorative panel with a structured anti-wear film is provided, with the decorative panel having a carrier with a decoration applied to at least a partial area and a structured anti-wear film applied to the decoration, and the structuring of the structured anti-wear film being synchronous with the decoration at least in partial areas.
  • a suitable printing substrate can also be provided between the carrier and the decoration.
  • the decor can also be provided with a layer containing paint, which is located between the wear protection film and the decor.
  • the decorative panel is well protected against wear and tear and at the same time has a structure that is particularly true to detail, the haptic perception of which corresponds to the visual perception of a decoration, so that a particularly high-quality overall impression is created.
  • Such a decorative panel can be produced easily and very adaptably with an adjustable degree of gloss or an adjustable matting.
  • an anti-wear base film 12 is provided. This is according to the design figure 1 arranged on a support 14 and more precisely on a Decorative layer or a decoration 16 of the carrier 14.
  • the carrier is arranged on a transport device 100 which moves the carrier 14 in the direction of the arrow.
  • An application unit 18 is also shown, which applies a moldable top layer 20 containing paint to at least a partial area of the wear protection base film 12 .
  • the wear protection base film 12 and/or the mouldable paint-containing top layer 20 has an acrylate-based plastic composition, in particular a polyurethane-modified acrylate plastic composition.
  • the wear-protection base film 12 and/or the formable paint-containing top layer 20 has hard materials, preferably in an amount of between 5% by weight and 40% by weight, with the hard materials preferably having an average grain diameter of between 10 ⁇ m and 250 ⁇ m.
  • a device 22 for dissipating electrostatic charges from cover layer 20, which can touch cover layer 20 or can operate without contact and a device 24 for supplying electrostatic charges to cover layer 20, which is arranged behind device 22 for dissipating electrostatic charges from cover layer 20, is provided, which can also touch cover layer 20 or can operate without contact. It can be preferred that a discharge is carried out in a range greater than or equal to 7 kV and/or that the electrostatic charging is carried out in a range from greater than 0 kV to less than or equal to 15 kV.
  • the carrier 14 Downstream of the device 24 for supplying electrostatic charges to the top layer 20, the carrier 14 is guided into a printing unit 25, in which the top layer 20 containing paint is structured using a digital printing process to produce a structure 26 of the top layer 20 containing paint.
  • the at least partial structuring of the paint-containing cover layer 20 is carried out using a digital printing method by spraying on a displacement ink using an inkjet method in particular wherein at least one of a droplet velocity, a droplet volume and a position of the sprayed displacement ink are varied according to a three-dimensional digital template.
  • the digital template can be generated on the basis of the decor, with the digital template providing complementary indentations and elevations corresponding to the feel of the decor.
  • the displacement ink consists essentially of an ink composition selected from the group consisting of acrylate-based plastic, polyurethane-modified acrylate plastic, water, organic solvent, or mixtures thereof.
  • the structured top layer 20 containing lacquer can be cured. This is done in particular in that the top layer 20 containing paint is first partially cured by a first radiation source 28, with UV radiation having a wavelength in a range from ⁇ 150 nm to ⁇ 250 nm being used for the partial curing, and the partially cured top layer 20 containing paint then being finally cured by a second radiation source 30.
  • At least the partial hardening can be realized in such a way that the cover layer 20 is present in the area of the treatment with the UV radiation in an atmosphere with an oxygen content that is reduced compared to ambient conditions, for example in a protective gas atmosphere.
  • the wear protection film 10 in particular comprising the wear base protection film 12 and the structured, hardened top layer 20, can be finished. It should be pointed out that the method with a wear protection base film 12 on a carrier 14 is only an example and the carrier 14 is not mandatory, so that the wear protection base film 12 can also be arranged directly on the transport device 100 .

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Laminated Bodies (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP19215652.9A 2019-12-12 2019-12-12 Digitaldruckstrukturierte verschleissschutzfolie mit einstellbarem glanzgrad Active EP3835079B1 (de)

Priority Applications (13)

Application Number Priority Date Filing Date Title
PL19215652.9T PL3835079T3 (pl) 2019-12-12 2019-12-12 Ustrukturowana poprzez druk cyfrowy folia odporna na zużycie z regulowanym połyskiem
PT192156529T PT3835079T (pt) 2019-12-12 2019-12-12 Película antidesgaste estruturada para impressão digital com nível de brilho ajustável
EP19215652.9A EP3835079B1 (de) 2019-12-12 2019-12-12 Digitaldruckstrukturierte verschleissschutzfolie mit einstellbarem glanzgrad
ES19215652T ES2960896T3 (es) 2019-12-12 2019-12-12 Película de protección contra el desgaste estructurada mediante impresión digital con nivel de brillo ajustable
KR1020247016275A KR20240074917A (ko) 2019-12-12 2020-12-11 조정가능 광택 레벨을 갖는 디지털 프린팅-구조화된 마모방지 필름
CA3154100A CA3154100C (en) 2019-12-12 2020-12-11 Digital printing-structured antiwear film having adjustable gloss level
US17/773,901 US20220379649A1 (en) 2019-12-12 2020-12-11 Digital printing-structured antiwear film having adjustable gloss level
BR112022004839A BR112022004839A2 (pt) 2019-12-12 2020-12-11 Filme antidesgaste estruturado em impressão digital com nível de brilho ajustável
KR1020227013469A KR20220063266A (ko) 2019-12-12 2020-12-11 조정가능 광택 레벨을 갖는 디지털 프린팅-구조화된 마모방지 필름
CN202080079684.2A CN114728540B (zh) 2019-12-12 2020-12-11 具有可调节光泽度的数字印刷结构化耐磨膜
EP20821009.6A EP4072867A1 (de) 2019-12-12 2020-12-11 DIGITALDRUCKSTRUKTURIERTE VERSCHLEIßSCHUTZFOLIE MIT EINSTELLBAREM GLANZGRAD
PCT/EP2020/085834 WO2021116447A1 (de) 2019-12-12 2020-12-11 DIGITALDRUCKSTRUKTURIERTE VERSCHLEIßSCHUTZFOLIE MIT EINSTELLBAREM GLANZGRAD
MX2022006642A MX2022006642A (es) 2019-12-12 2020-12-11 Pelicula antidesgaste estructurada por medio de impresion digital con nivel de brillo ajustable.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19215652.9A EP3835079B1 (de) 2019-12-12 2019-12-12 Digitaldruckstrukturierte verschleissschutzfolie mit einstellbarem glanzgrad

Publications (2)

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EP3835079A1 EP3835079A1 (de) 2021-06-16
EP3835079B1 true EP3835079B1 (de) 2023-07-26

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EP19215652.9A Active EP3835079B1 (de) 2019-12-12 2019-12-12 Digitaldruckstrukturierte verschleissschutzfolie mit einstellbarem glanzgrad
EP20821009.6A Pending EP4072867A1 (de) 2019-12-12 2020-12-11 DIGITALDRUCKSTRUKTURIERTE VERSCHLEIßSCHUTZFOLIE MIT EINSTELLBAREM GLANZGRAD

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EP20821009.6A Pending EP4072867A1 (de) 2019-12-12 2020-12-11 DIGITALDRUCKSTRUKTURIERTE VERSCHLEIßSCHUTZFOLIE MIT EINSTELLBAREM GLANZGRAD

Country Status (10)

Country Link
US (1) US20220379649A1 (zh)
EP (2) EP3835079B1 (zh)
KR (2) KR20240074917A (zh)
CN (1) CN114728540B (zh)
CA (1) CA3154100C (zh)
ES (1) ES2960896T3 (zh)
MX (1) MX2022006642A (zh)
PL (1) PL3835079T3 (zh)
PT (1) PT3835079T (zh)
WO (1) WO2021116447A1 (zh)

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Publication number Priority date Publication date Assignee Title
CN114571890A (zh) * 2022-01-05 2022-06-03 克雷兹(常州)工业技术有限公司 耐磨层的平板打印连续生产方法及产品和使用方法
DE102022103652A1 (de) 2022-02-16 2023-08-17 Van Der Vlis Design Gmbh Dreidimensional strukturiertes Dekorelement
DE102022114231A1 (de) 2022-06-07 2023-12-07 Homag Gmbh Verfahren zum Bemustern eines Werkstücks

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US20020067394A1 (en) * 2000-10-10 2002-06-06 Toyo Ink Mfg. Co., Ltd. Ink jet printing to synthetic resin substrate
DE202004018710U1 (de) * 2004-10-05 2005-03-10 Fritz Egger Gmbh & Co Vorrichtung zur Herstellung einer strukturierten Oberfläche und Werkstück mit einer strukturierten Oberfläche
US20060128165A1 (en) * 2004-12-13 2006-06-15 3M Innovative Properties Company Method for patterning surface modification
CA2677725C (en) * 2006-02-09 2014-10-21 University Of Notre Dame Du Lac Flooring apparatus for reducing impact energy during a fall
WO2008068054A1 (en) * 2006-12-07 2008-06-12 Agfa-Gevaert Method of producing an information carrier
KR20090032198A (ko) * 2007-09-27 2009-04-01 삼성전기주식회사 잉크젯 헤드 및 그 제조방법
UA111803C2 (uk) * 2012-10-05 2016-06-10 Кроноплюс Текнікал Аг Підлогова панель для зовнішнього застосування
PL3323628T3 (pl) * 2014-02-25 2022-10-10 Akzenta Paneele + Profile Gmbh Sposób wytwarzania paneli dekoracyjnych
JP6579746B2 (ja) * 2014-04-16 2019-09-25 株式会社ミマキエンジニアリング 三次元造形物の製造方法及び三次元造形物
WO2016143559A1 (ja) * 2015-03-10 2016-09-15 コニカミノルタ株式会社 立体造形用インク組成物、インクセットおよび立体造形物の製造方法
EP3178652B1 (de) * 2015-12-07 2018-06-06 Akzenta Paneele + Profile GmbH Dekorpaneel und verfahren zum herstellen eines solchen
WO2018007932A2 (en) * 2016-07-07 2018-01-11 Unilin, Bvba Floor panel
EP3348418A1 (de) * 2017-01-11 2018-07-18 Akzenta Paneele + Profile GmbH Dekoriertes oberflächenstrukturiertes wand- oder bodenpaneel
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EP3632700B1 (de) * 2018-10-02 2021-06-02 Akzenta Paneele + Profile GmbH Digitaldruckstrukturierte verschleissschutzfolie

Also Published As

Publication number Publication date
KR20220063266A (ko) 2022-05-17
EP4072867A1 (de) 2022-10-19
PL3835079T3 (pl) 2024-01-29
CN114728540A (zh) 2022-07-08
CA3154100A1 (en) 2021-06-17
PT3835079T (pt) 2023-10-30
ES2960896T3 (es) 2024-03-07
CN114728540B (zh) 2024-02-13
MX2022006642A (es) 2022-07-04
KR20240074917A (ko) 2024-05-28
WO2021116447A1 (de) 2021-06-17
EP3835079A1 (de) 2021-06-16
CA3154100C (en) 2024-04-02
US20220379649A1 (en) 2022-12-01

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