CN103958213A - Method for printing on a wall or floor panel - Google Patents

Method for printing on a wall or floor panel Download PDF

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Publication number
CN103958213A
CN103958213A CN201380003952.2A CN201380003952A CN103958213A CN 103958213 A CN103958213 A CN 103958213A CN 201380003952 A CN201380003952 A CN 201380003952A CN 103958213 A CN103958213 A CN 103958213A
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CN
China
Prior art keywords
coating
oxide
printing
method described
resin
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Granted
Application number
CN201380003952.2A
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Chinese (zh)
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CN103958213B (en
Inventor
H-J·汉尼希
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Akzenta Paneele and Profile GmbH
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Akzenta Paneele and Profile GmbH
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Publication of CN103958213A publication Critical patent/CN103958213A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/0011—Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
    • 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
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/26—Printing on other surfaces than ordinary paper
    • B41M1/30—Printing on other surfaces than ordinary paper on organic plastics, horn or similar materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/26—Printing on other surfaces than ordinary paper
    • B41M1/38—Printing on other surfaces than ordinary paper on wooden surfaces, leather, or linoleum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/0041—Digital printing on surfaces other than ordinary paper
    • B41M5/0064—Digital printing on surfaces other than ordinary paper on plastics, horn, rubber, or other organic polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/0041—Digital printing on surfaces other than ordinary paper
    • B41M5/0076—Digital printing on surfaces other than ordinary paper on wooden surfaces, leather, linoleum, skin, or flowers

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

The present invention relates to a method for producing a decorated wall or floor panel, said method comprising the steps: a) provision of a panel-shaped base; b) application of a primer at least to the surface of the panel-shaped base to be printed; c) application of a decoration by means of printing to at least one part of the surface treated with the primer. The method is characterized in that a liquid, radiation-curable mixture on the basis of an urethane acrylate is used as the primer.

Description

A kind of method of printing on wall or floor panel
Technical field
The present invention relates to a kind of method of producing decorative wall or floor panel (floor panel), and the panelling of producing according to this method.
Background technology
These decorative panels (plate) are originally as known, and wherein term wallboard also refers to be suitable as the panelling of ceiling (ceiling covering).They are made up of carrier or the core of solid material conventionally, and for example wood materials also provides decorative layer and top layer at least one side of carrier or core, and optionally other layer, as the wearing course between decorative layer and top layer.Decorative layer is generally by the impregnated printing paper of amino resin.Top layer and other layers are made up of amino resins conventionally equally.
But in some applications, it is difficult using the laminated panel of tradition based on fibrous material, as continued under the environment of humidity or weather conditions.For example in outdoor, moist room or some as the situation of the specific application area such as shipbuilding under.Under these situations, humidity can cause the expansion of fibrous material, comprises carrier material based on fiber and the facing paper of use.Therefore, in the application in these fields, be necessary to provide corresponding moisture proof and weather proof panelling, as the panelling being made of plastics.
But the plastics panelling of previously known shows not enough aspect decoration, especially when copying natural material, during as wood or natural stone.
Therefore, the object of the present invention is to provide a kind of improving one's methods for the production of decorative wall or floor panel.
Summary of the invention
Object of the present invention realizes by method claimed in claim 1.As for wall or floor panel, this object realizes by the panelling described in claim 14.
Therefore, the present invention proposes a kind of method of producing decorative wall or floor panel, comprise the following steps:
A) provide a plate-shaped support;
B) coating (applying) priming paint on plate-shaped support at least one surface to be printed;
C) decorate coating, by the surperficial at least a portion through prime treatment is printed, it is characterized in that, the liquid radiation curing mixture using urethane acrylate as main component is as priming paint.
Unexpectedly, have been found that the priming paint using taking urethane acrylate as main component, can overcome the deficiency of coating decorative layer tack strength well known in the prior art.
Here, urethane acrylate is comprised in priming paint composition with the form of living oligomer or prepolymer.Term " living oligomer " and " prepolymer " represent respectively the compound that comprises urethane acrylate unit in background of the present invention, this urethane acrylate unit, add alternatively active sticker or reactive diluent, with urethane acrylate polymer, radiation induced chemical reaction occurs.
Under background of the present invention, urethane acrylate is compound, is substantially made up of one or more aliphatic structure compositions and polyurethanyl group.Aliphatic structure composition comprises alkyl group, preferably has 4 to 10 carbon atoms, and cycloalkylidene group, preferably has 6 to 20 carbon atoms.Alkyl group and cycloalkylidene group all can be by C 1-C 4-alkyl, particularly methyl, monosubstituted or polysubstituted, and comprise one or more non-adjacent oxygen atoms.This aliphatic structure composition is alternatively by level Four or tertiary carbon atom, by urea groups, biuret, urea diketone, allophanate, cyanurate, urethanes, ester or amide groups or by oxygen or the mutual bonding of amine nitrogen.In addition, the urethane acrylate under background of the present invention can comprise olefinic unsaturation composition.These are preferably vinyl or pi-allyl, and it also can be by C 1-C 4-alkyl, particularly methyl, and especially by α, vinyl or pi-allyl that β ethylenically unsaturated carboxylic acids or its amino-compound derive.Particularly preferred olefinic unsaturation unit is acryloyl group and methacryl, as acrylamide and Methacrylamide, and especially, acryloxy and methacryloxy.
Under background of the present invention, radiation curing refers to that paint base composition is at least partly by the electromagnetic radiation induced polymerization of suitable wavelength, as UV radiation, or electron beam.
In addition the radiation curing priming paint that, the present invention adopts can comprise photoinitiator.In this case, photoinitiator can cause urethane acrylate, or urethane acrylate oligomer or prepolymer, with the radical polymerization of phase emergencing copolymer.Suitable photoinitiator for example has benzophenone and benzophenone derivates, as 4-phenyl benzophenone and 4-chlorobenzophenone, 4, 4 '-bis-(dimethylamino) Benzophenone, anthrone, acetophenone derivative, as 1-cyclohexyl phenyl ketone-1-alcohol, 2-hydroxyl-2, 2-dimethyl acetophenone and 2, 2-dimethoxy-2-phenyl acetophenone, styrax and benzoin ether, as methyl, ethyl and butyl benzoin ether, benzil ketals, as benzoin dimethylether, 2-methyl isophthalic acid-[4-(methyl mercapto) benzene]-2-morpholinyl-1-acetone, anthraquinone and derivative thereof, as 2-methylanthraquinone (b-methylanthraquinone) and tert-butyl group anthraquinone, acylphosphine oxide, as 2, 4, 6-trimethylbenzoyl diphenyl phosphine oxide, ethyl-2, 4, 6-trimethylbenzoyl phenyl phosphine oxide and two acylphosphine oxide.Preferably, in priming paint composition, contain this photoinitiator, concentration >=0wt.% and≤15wt.% between, be preferably >=1wt. and≤10wt. between.
In addition, as mentioned above, the present invention can with priming paint composition comprise reactive diluent.Applicable reactive diluent for example has, simple function or polyfunctional acrylic ester, as 2-hydroxyethyl methacrylate (HEMA), HPMA (HEPA), hydroxy-ethyl acrylate (HEA), hydroxypropyl acrylate (HPA), tripropylene glycol double methacrylate (TPGDA), 1, 6-hexanediyl ester (HDDA), glycerol propoxylate triacrylate (G3POTA), or pentaerythritol triacrylate (PETIA), tri methylol triacrylate (TMPTA), tetramethylol methane tetraacrylate (PETA).In this case, preferably, in priming paint composition reactive diluent concentration >=1wt.% and≤40wt.% between, be preferably >=10wt.% and≤30wt. between.
In addition, the present invention can with priming paint composition can comprise further composition, as UV stabilizing agent, rheology modifier, as thickener, radical scavenger, levelling agent, defoamer, or anticorrisive agent.The example of UV stabilizing agent has oxanilide, triazine, Benzophenone or BTA, and it also can be combined with radical scavenger, and radical scavenger is as sterically hindered amines, such as 2,2,6,6-tetramethyl piperidine, 2,6-, bis--tert-butyl piperidines or derivatives thereof, for example, two (2,2,6,6-tetramethyl-4-piperidyl) dibutyl sebacate (bis (2,2,6,6-tetramethyl-4-pi-peridyl) sebacinat).
In an embodiment of the present invention, also provide a kind of composition that comprises pigment or dyestuff, as priming paint.But preferably, the priming paint of employing does not have dyestuff or pigment, or be colourless.Like this, just can prevent irregular due to carrier, priming paint partial restriction over coating, and cause the stain occurring, affect printed patterns.
According to the preferred embodiment of the inventive method, the priming paint composition of employing does not contain non-polymeric solvent substantially.This has just been avoided possible solvent to discharge ornament to be applied is subsequently impacted, for example, and the oozing out of color dot.Owing to substantially not containing non-polymerizable solvent, the solvent that the wall in process of production and from completion or floor panel discharge will reduce widely.
According to an enforcement, use radiation curing priming paint based on urethane acrylate, can be after prime coat coating and radiation-induced solidifying, coating decoration immediately, as by digital printed technology, and does not have any restriction.In this article, prime coat is for decorative coveringn and scribble good sticking together between the carrier surface of priming paint condition is provided.The advantage of urethane acrylate is as carrier material and decorative layer-be that decorative paint or ink all provide good sticking together.This especially can explain by the polymerisation occurring in such polymer, wherein on the one hand, radiation-induced hydroxyl free radical polymerization has occurred, and by NCO, the rear of polymer has occurred on the other hand and has solidified.This means after radiation-induced solidifying, obtain immediately a surface without adhesive agent, for further technique, and the final character of prime coat is also subject to the impact of the rear solidification process based on NCO, and provides condition for adhering to reliably base material.In addition, the rear solidification process relating to can guarantee to realize enough layer stability, even at the less or non-exposed region of carrier.Therefore by the carrier of method of the present invention, particularly preset structure, surface has had the carrier of three-dimensional structure, and prime coat can be provided reliably, can guarantee that like this ornament applying subsequently can be bonded on carrier by suitable tack strength.
The method according to this invention, priming paint can preferably utilize rubber coated pressure bowl to be coated on carrier board.As an alternative, can realize this coating by casting machine.Similarly, priming paint will spray on carrier board.According to this application technology, the viscosity of paint base composition can regulate by the amount that changes reactive diluent in composition.Particularly preferably, priming paint can utilize spatula coating, especially, utilizes floor trowelling machine.Irregularly be optimised ground planarization due to what carrier may present, therefore this application technology can realize especially surface uniformly, thereby, can obtain particularly preferred printed patterns.
Preferably, the coating amount of priming paint is at>=1g/m 2and≤100g/m 2between, preferably at>=10g/m 2and≤50g/m 2between, more preferably,>=20g/m 2and≤40g/m 2between.After priming paint is coated on carrier surface, carry out radiation with the radiation source of suitable wavelength.
According to the preferred embodiment of this method, radiation-induced the solidifying of priming paint carried out by radiation, and wavelength between 380nm, preferably, between 380nm, for example, utilizes Hg, Ga, Fe at 250nm at 100nm, or metal halide lamp.In this case, radiant power is determined according to speed of production and total exposure time, and power bracket is at>=50mW/cm 2to≤30W/cm 2between, preferably,>=0.5W/cm 2to≤15W/cm 2between.As the replacement of metal halide lamp, the LED-UV lamp with suitable emission wavelength can be applied in technique of the present invention.According to radiant power, the scope of time for exposure between 0.1s and 180s, preferably, between 0.5s and 60s.
According to an embodiment of the inventive method, by printing technology, ornament is applied directly to radiation-induced at least part of curing prime coat., utilize letterpress technique to print prime coat here, as aniline printing, hectographic printing, intaglio printing, or by as the typography of serigraphy etc.Especially, ornament printing can utilize digital printed technique, as ink-jetting process applies.Here, preferably, ornament, by coating or the ink coating of radiation curing, is independent of the typography of using.
Under background of the present invention, coating material solidified the referring to of term radiation comprises adhesive and/or filler, comprises the composition of pigment simultaneously, and this coating is had the electromagnetic radiation of suitable wavelength induces, as ultraviolet radiation, or electron beam, can be aggregated at least partly.Under background of the present invention, term radiation cured printing ink refers to and does not substantially contain filler, and the composition that comprises pigment, and this ink is had the electromagnetic radiation of suitable wavelength induces, as ultraviolet radiation, or electron beam, can be aggregated at least partly.
According to another preferred embodiment, the method, in step c) before, especially, b) also comprises a further step in step afterwards:
E) coating one resin combination, comprising>=5wt.% also≤85wt.%, be preferably>=10wt.% also≤solid of 80wt.%, solid average grain diameter d 50>=0.1 μ m also≤120 μ m.
Be unexpectedly, have been found that coating has the printing base coat of the resin combination formation of solids content defined above, for example, after coating priming paint, good print surface can be provided, direct typography after being applicable to, in addition, also has top layer or good the sticking together of wearing course with coating afterwards, so that the laminate that utilizes this form to produce shows very high stability, there is good printed patterns simultaneously.This can be applied to the particular combinations of above-mentioned prime coat and above-mentioned printing base coat especially.The specified solids content of this resin combination refers to liquid resin composition.Therefore, the coating of above-mentioned printing base coat both can realize particularly preferred printed patterns, also can make panelling to be produced have particularly preferred stability.
Especially for the repeatability coating of printing base coat, can adopt different compositions here.For example, although ground floor can comprise above-mentioned filler, and do not contain dye well pigment, in the back layer in can contain have dyestuff and, in particular, the printing base coat of filler, this dyestuff is as pigment coating.In addition, these layers are at used filler and dyestuff, and can be different in the type of pigment and amount.Like this, after just likely improving, apply the adaptability of ornament, as ornament color.
In the method, the method for application of resin composition can be passed through coating roll, spraying method, blade coating, scraper for coating, paint spray, casting coating equipment, squash type coating, heavy curtain coating or the enforcement of other suitable equipments.Especially, can apply above-mentioned resin combination by roller coat, wherein need repetition, especially, use roller coating technology twice.Here, resin combination can be coated to not on another layer of resin combination of dryization especially, or preferably, and further before coating, each corresponding lower floor having applied can being dried before coating for the second time or at each.Like this, just can obtain particularly preferred printed patterns.For example, resin combination coating total amount can be at>=5g/m 2and≤50g/m 2between, preferably at>=10g/m 2and≤40g/m 2between.
Printing base coat provided by the invention is also applicable to aniline printing, hectographic printing, or serigraphy, and is particularly suitable for digital printed technology, as ink-jetting process or laser printing.Therefore, can directly print the surface with printing base coat.On this point, it should be noted that printing from the teeth outwards comprises direct printing, also comprises indirect printing.Therefore, for example, the lip-deep printing of prime treatment can comprise direct or indirect printing at least partly, as printed from the teeth outwards another layer.In other words, printing means through the surface of prime treatment at least partly in order to apply ornament, can directly print priming paint, or alternatively to priming paint printing base coat.
In addition, in an embodiment of this method, according to step e), coating one resin combination that contains curing agent, wherein this curing agent is included in resin combination, for example concentration >=0.05wt.% and≤3.0wt.% between, be preferably >=0.15wt.% and≤2.0wt.% between, more preferably, >=0.5wt.% and≤2.0wt.% between.In resin combination, adding curing agent can make condensing of resin combination and curing performance reach optimum.Here, curing agent is for example organic slat solution.Preferably, curing agent pH value is acid, preferably, and between >=pH0.5 and <pH7, preferably, between >pH0.5 and <pH6.
For example, a kind of so-called latent curing agent is as curing agent.Latent curing agent is characterised in that, is being added into after resin, has enough processing times on the one hand under room temperature environment, on the other hand, under treatment environment subsequently, can realize the short hardening time of trying one's best.This effect of latent curing agent is because they are passivity at normal temperatures, and after chemical reaction or temperature occur raising, will discharge acidic materials, and by this, solidification process will accelerate.Latent curing agent example particularly including, alkyl or sulfurous acid alkanol amine salt, sulfamic acid, 3-chlorine-1,2-propylene glycol, p-methyl benzenesulfonic acid, morpholine, ammonium sulfate, ammonium chloride, ammonium sulfite, ammonium nitrate, ethanolamine hydrochloric salt, dimethyl ethanol ammonium sulphite or diethylamino ichthyodin.
Especially, curing agent is aqueous phase solution, preferably, and non-ionic solution.An example of suitable curing agent is MH-180B (Melatec AG, Switzerland).
According to e) another embodiment of middle method of step, the resin combination that can apply is for comprising titanium dioxide, barium sulfate, barium monoxide, barium chromate, zirconia (IV), silica, aluminium hydroxide, aluminium oxide, iron oxide, ferric ferricyanide (III), chromium oxide, cadmium oxide, cadmium sulfide, selenous acid cadmium, cobalt oxide, cobalt phosphate, cobalt aluminate, vanadium oxide, bismuth vanadium oxide compound, tin oxide, Cu oxide, copper sulphate, copper carbonate, lead antimonate, plumbous chromate, lead oxide, ceruse, calcium carbonate, calcium sulfate, sulfuric acid calcium aluminate, zinc oxide, zinc sulphide, arsenones, mercuric sulphide, carbon black, the solid of at least one compound in graphite or its mixture.Utilize these solids, colorful printing secondary priming paint can be at length provided, its Color Scheme has the feature of supporting decorating printing.For example, in an Art Design, want to present the effect of dark-coloured wood, can adopt printing second priming paint of brown or brown keynote, and in another Art Design, want to present the effect of light color wood or light color stone, can adopt printing second priming paint of yellow or white color tone.
According to e) another embodiment of middle method of step, the resin combination that can apply can be at least one compound comprising in melamine resin, formaldehyde resin, Lauxite, phenolic resins, epoxy resin, unsaturated polyester resin, diallyl phthalate or its mixture as resin Composition.Unexpectedly, when corresponding resin Composition is in the time that the solids of resin combination is combined, just obtained printing the second priming paint, it can significantly improve the top layer of last coating and/or the adhesion of wearing course, and then improves the stability of laminate.This resin combination, for example, the resin content containing >=15wt.% and≤95wt.% between, be preferably >=20wt.% and≤90wt.% between, more preferably, >=25wt.% and≤65wt.% between.
According to the preferred embodiment of this method, when in step, also the viscosity of special requirement resin combination meets when employing normal viscosity cup in e), flowing time >=7s and≤60s between.This concentration is according to DIN53211 standard, and the viscosity cup that employing aperture is 4mm is measured.
Step e) in after application of resin composition, preferably to implement a drying steps, the surface that wherein will print subsequently dryization at least partly.In order to reach this object, in the surface of application of resin composition, for example, especially prime coat surface, the surface temperature of generation >=75 DEG C and≤125 DEG C between, be preferably >=80 DEG C and≤110 DEG C between, especially, >=90 DEG C and≤100 DEG C between.For example IR transmitter, NIR transmitter, jet drier or similar means are applicable to producing respective surfaces temperature.Described surface temperature hold time preferably adjustment >=1s and≤600s between, be preferably >=5s and≤400s between, more preferably, >=10s and≤300s between.
The resin combination that step e) adopts, except said components, also comprises other components or additive, if rheology modifier is for adjusting viscosity, water, flow improving agent, anticorrisive agent, surfactant, defoamer, like that.
For dry printing secondary priming paint, for dry priming paint, preferably, adopt transmitter, especially as UV lamp simultaneously.For example, can adopt four transmitters.So just can realize the surface coverage to be dried of complete unification, and further can realize dry run flexible especially and that lead with which coating.
The further preferred embodiment according to the present invention, can arrive wearing course and/or top coated on this decorative layer.Here, particularly preferably, the formation of wearing course and/or top layer need to apply radiation-curable composition, for example radiation curing varnish equally.Here, wearing course can comprise hard material, as titanium nitride, titanium carbide, silicon nitride, carborundum, boron carbide, tungsten carbide, ramet, and aluminium oxide (corundum), zirconia or its mixture, to increase the wearability of this layer.Here, the amount of this hard material in wearing course composition, between 5wt.% and 40wt.%, is preferably between 15wt.% and 25wt.%.Here, this hard material preferably average grain diameter between 10 μ m and 250 μ m, preferably, between 10 μ m and 100 μ m.Therefore, it is useful that wearing course composition forms stable dispersion, can avoid decomposition or the deposition of hard material in wearing course.
In an embodiment of the present invention, in order to form corresponding wearing course, the content that contains hard material in radiation-curable composition is 10g/m 2to 250g/m 2, be preferably 25g/m 2to 100g/m 2.In this case, this coating can, by as roller, as rubber coated pressure bowl, or be implemented by pouring device.
According in another embodiment of the inventive method, in the time of coating wearing course composition, in composition, do not contain hard material, but the form with particle is scattered on the wearing course composition of coating by it, and is being solidified by radiation-induced subsequently.
According to the method one embodiment, carrier board is made up of plastic material, especially, is made up of thermoplastic, elasticity or thermoset plastic material, Paper or cardboard.In addition, mineral board, as nature and artificial stone's plate, concrete slab, plaster board, so-called WPC plate (being mixed by plastics and timber), and natural raw material plate, as cork and wood can be as carriers of the present invention.The panel of being even made up of living beings also can be applicable to the present invention, and described living beings are as stalk, maize straw, bamboo, leaf, marine algae extract, hemp, oil palm fiber.In addition, from the material of described material recovery also within the inventive method scope.
The expectation physical attribute of carrier board material-basis to production board-can be is a large amount of intensive, or has large cavity more or less, for example, foam-like or there is cavity, its size is similar to plate size.The sandwich construction that multiple above-mentioned material forms also can use, for example plasterboard or wood-plastic laminates.
Preferred panel material has thermoplastic as polyvinyl chloride, polyolefin (as polyethylene (PE), polypropylene (PP)), polyamide (PA), polyurethane (PU), polystyrene (PS), acrylonitrile butadient styrene (ABS), polymethyl methacrylate (PMMA), Merlon (PC), PETG (PET), polyether-ether-ketone (PEEK) or its mixture or copolymer.Plastic material can comprise traditional filler, as calcium carbonate (chalk), aluminium oxide, silica gel, silica flour, wood powder, gypsum.In addition, they can be painted in a known manner.Especially, planking stuff comprises fire retardant.
Especially, thermoplastic also has an advantage, is easily reclaimed by the product of its production.In addition can use from other source recycled materials.Because like this, make to reduce production costs and there is possibility.
According to this method one preferred embodiment, use structured supports plate.Here, this carrier board has three-D grain at least part of surface that will decorate, and for example, the surface texture of imitated natural material, as wood.Can in production carrier board process, directly introduce texture, for example here,, directly extruding forms texture, or in step subsequently, utilizes suitable instrument, produce texture as texture roller or texture mould make carrier board, wherein veining can be implemented immediately extruding after processing.
Particularly preferably, the decoration of enforcement is consistent with the texture of carrier board, to copy truly natural material as far as possible.Here, the texture of carrier board can be implemented by suitable two-phonon process, and printing equipment and carrier board aliging relative to each other will rely on the texture enforcement detecting.In this case, for carrier board and printing equipment aliging relative to each other, printing equipment to relatively move necessarily in order aliging relative to each other and can be affected because of the skew of carrier or printing equipment with carrier board.
According in another embodiment of this method, after coating top layer and/or wearing course, wall or floor panel are implemented veining.In order to reach this object, preferably, top layer and/or wearing course coating radiation-curable composition, and by implementing radiation-induced solidification process radiation, only carry out partly solidified to top layer and/or wearing course.Utilize suitable tools, as hard metal texture roller or mould, print required superficial makings at partly solidified by this way lamination.Here, the enforcement of moulding process is preferably consistent with the ornament that is coated to prime coat.In order to ensure that texture to be produced and ornament have enough uniformity, carrier board will relatively move to align with the other side separately with coining tool.After expectation texture in partly solidified top layer and/or wearing course is made, the top layer of veining and/or wearing course will be implemented further to solidify, especially, utilize this layer of the further radiation of electromagnetic radiation or electron beam.
According to another embodiment of this method, in method, step is implemented under inert gas environment at least partly.Especially, coating ornament step is implemented under inert gas environment.Here, suitable inert gas for example has nitrogen, carbon dioxide, rare gas or its mixture.
In addition, the present invention relates to wall or floor panel, comprise plate-shaped support, prime coat, print secondary priming paint and decorative layer alternatively, wherein prime coat comprises urethane acrylate.
One embodiment of wall or floor panel according to the present invention, prime coat thickness >=50 μ m and≤1mm between, preferably, >=100 μ m and≤800 μ m between.
Another embodiment of wall or floor panel according to the present invention, decorative layer is formed by radiation-induced coating or ink substantially.Here, decorative layer thickness for example >=50 μ m and≤1mm between, preferably, >=100 μ m and≤800 μ m between.
Top layer or wearing course can be coated on decorative layer.Here, especially, top layer or wearing course are formed by radiation-induced varnish.Top layer or wearing course thickness for example >=100 μ m and≤5mm between, preferably, >=0.5mm and≤2.5mm between.
Brief description of the drawings
Below by reference to the accompanying drawings and an exemplary embodiment the present invention is set forth.
Fig. 1 has schematically shown according to the structure of wall of the present invention or floor panel.
Detailed description of the invention
Fig. 1 is the structural representation of wall of the present invention or floor panel 100 1 embodiment.This panelling comprises a plate-shaped support 110.Carrier 110 is made up of extruding plastic material, as polyethylene (PE), polypropylene (PP), polyamide fat (PA), poly-imines fat (PU), polystyrene (PS), acrylonitrile butadiene styrene polymer (ABS), polymethyl methacrylate (PMMA), Merlon (PC), PETG (PET), polyether-ether-ketone (PEEK) or its mixture or copolymer.The imitated natural wood materials of superficial makings 111, utilizes suitable instrument in the interior making of carrier 110.The prime coat 120 of the urethane acrylate that comprises radiation curing is coated on plate-shaped support 110.Alternatively, printing base coat 160 by application of resin composition on prime coat 120, comprise>=5wt.% of resin combination and≤85wt.% between, be preferably>=10wt.% and≤solid between 80wt.%, solid average grain diameter d 50meet>=0.1 μ m also≤120 μ m, as shown in Figure 2.At prime coat 120 tops, and alternatively at printing base coat 160 tops, by suitable typography, as digital printed, aniline printing or hectographic printing, coating decorative layer 130.In order to increase wearability, the top layer 140 that contains hard material and/or wearing course 150 are coated on decorative layer 130, and wherein this top layer and/or wearing course 140,150 are formed by radiation curing layer of varnish especially.
Example 1
The priming paint synthetic that contains aliphatic urethane acrylate prepolymer is with 20-35g/m 2amount be coated on tabular, surperficial veined carrier, wherein carrier is made up of polyurethane material, and by mercury vapor lamp with about 3W/cm 2power, the time for exposure radiation curing of about 10s.Utilize ink-jet technology and use UV cured printing ink, decorative layer is coated on prime coat, and consistent with the texture of carrier board.After application UV cured printing ink, decorative layer is had the UV lamp source radiation of suitable wavelength immediately.After decorative layer radiation and enough solidifying, need to before carrying out next process, carry out destacking (destacking) by counter plate, apply the bleeding of ornament or defile preventing.Subsequently, top layer and/or wearing course are coated on decorative carrier plate, and it is formed by radiation curable coating layer, wherein has corundum in granules.

Claims (15)

1. for the production of a method for decorative wall or floor panel, comprise step:
A) provide a plate-shaped support;
B) at least on plate-shaped support surface to be printed, apply priming paint;
C) decorate coating, by the surperficial at least a portion through prime treatment is printed:
It is characterized in that
Liquid radiation curing mixture using urethane acrylate as main component is as priming paint.
2. method according to claim 1, wherein the method in step c) before, especially, b) comprises a further step in step afterwards:
E) coating one resin combination, comprising>=5wt.% also≤85wt.%, be preferably>=10wt.% also≤solid of 80wt.%, solid average grain diameter d 50>=0.1 μ m also≤120 μ m.
3. method according to claim 2, wherein according to step e), coating one resin combination that contains curing agent, wherein this curing agent is included in resin combination, concentration >=0.05wt.% and≤2.0wt.% between, be preferably >=0.15wt.% and≤1.0wt.% between.
4. according to the method in claim 2 or 3, wherein according to step e), the resin combination of coating comprises titanium dioxide, barium sulfate, barium monoxide, barium chromate, zirconia (IV), silica, aluminium hydroxide, aluminium oxide, iron oxide, ferric ferricyanide (III), chromium oxide, cadmium oxide, cadmium sulfide, selenous acid cadmium, cobalt oxide, cobalt phosphate, cobalt aluminate, vanadium oxide, bismuth vanadium oxide compound, tin oxide, Cu oxide, copper sulphate, copper carbonate, lead antimonate, plumbous chromate, lead oxide, ceruse, calcium carbonate, calcium sulfate, aluminium calcium sulfate, zinc oxide, zinc sulphide, arsenones, mercuric sulphide, carbon black, the solid of at least one compound in graphite or its mixture.
5. according to method described in any one in claim 2-4, wherein according to step e), the resin combination of coating comprises that at least one compound in melamine resin, formaldehyde resin, Lauxite, phenolic resins, epoxy resin, unsaturated polyester resin, diallyl phthalate or its mixture is as resin Composition.
6. according to the method described in above-mentioned any one claim, comprise step
D) by wearing course and/or top coated on print surface.
7. according to the method described in above-mentioned any one claim, wherein this printing process is by digital printed realization.
8. according to the method described in above-mentioned any one claim, wherein this printing process is realized by radiation curable coating and/or ink.
9. according to the method described in any one in claim 6-8, wherein apply varnish, as wearing course, this varnish comprises hard material and/or has thermosetting.
10. according to the method described in above-mentioned any one claim, wherein provide a kind of carrier taking thermoplastic or wood-plastic composite (WPC) as main component.
11. according to the method described in above-mentioned any one claim, wherein provides a veining board-like material as carrier.
12. methods according to claim 11, wherein the enforcement of printing process and the texture of carrier material are consistent.
13. according to the method described in aforementioned any one claim, and wherein, after coating, this wearing course and/or top layer are by veining.
14. methods according to claim 13, wherein wearing course and/or top layer are partly solidified before veining.
15. walls or floor panel (100), comprise a plate-shaped support (110), a prime coat (120), a printing base coat (160) alternatively, and a decorative layer (130), be characterised in that this prime coat (120) contains urethane acrylate.
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EP12181696.1A EP2700508A1 (en) 2012-08-24 2012-08-24 Method for printing a wall or floor panel
PCT/EP2013/067586 WO2014029887A1 (en) 2012-08-24 2013-08-23 Method for printing on a wall or floor panel

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CN113348094A (en) * 2019-01-23 2021-09-03 地板技术有限公司 Method for producing a wear-resistant and water-resistant multi-layer panel and panel produced by means of said method
CN110142841A (en) * 2019-05-21 2019-08-20 临沂优彩新能源环保科技有限公司 A kind of home decoration plate and coating process
CN114165010A (en) * 2021-11-19 2022-03-11 诺森（常州）建筑产业有限公司 3D flat printing decorative plate based on electron beam curing technology and application
CN114474917A (en) * 2022-03-11 2022-05-13 深圳市锦瑞新材料股份有限公司 Composite board structure and manufacturing method thereof

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