WO2010022418A2 - Matériau composite - Google Patents

Matériau composite Download PDF

Info

Publication number
WO2010022418A2
WO2010022418A2 PCT/AT2009/000319 AT2009000319W WO2010022418A2 WO 2010022418 A2 WO2010022418 A2 WO 2010022418A2 AT 2009000319 W AT2009000319 W AT 2009000319W WO 2010022418 A2 WO2010022418 A2 WO 2010022418A2
Authority
WO
WIPO (PCT)
Prior art keywords
layer
paper
decorative
acrylate
meth
Prior art date
Application number
PCT/AT2009/000319
Other languages
German (de)
English (en)
Other versions
WO2010022418A3 (fr
Inventor
Stefan Kappaun
Emil J. W. List
Original Assignee
Durst Phototechnik Digital Technology 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
Application filed by Durst Phototechnik Digital Technology Gmbh filed Critical Durst Phototechnik Digital Technology Gmbh
Publication of WO2010022418A2 publication Critical patent/WO2010022418A2/fr
Publication of WO2010022418A3 publication Critical patent/WO2010022418A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/06—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/06—Layered products comprising a layer of paper or cardboard specially treated, e.g. surfaced, parchmentised
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/12—Coating on the layer surface on paper layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/028—Paper layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/75—Printability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2451/00—Decorative or ornamental articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2471/00—Floor coverings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2479/00—Furniture

Definitions

  • the invention relates to a method for producing a composite comprising at least one base layer and at least one decorative layer arranged thereon, wherein the decorative layer comprises at least one printed paper layer provided with a resin and the base or core layer at least one layer of wood or comprises a wood material or a resin-impregnated core paper, the individual layers are stacked in a stack and then pressed together under the action of pressure and optionally elevated temperature.
  • an adhesion-promoting additive based on (meth) acrylate for an ink for printing paper for the production of the composite the use of the additive as an admixture to an ink for printing paper for the production of the composite, a decorative paper for the production of the composite material, wherein the decorative layer has at least one paper layer printed over a large area and provided with a resin, as well as the composite material itself.
  • HPL or CPL laminates represent important starting materials, e.g. In decorative interior design, furniture production or the production of flooring dar. While in the basic production all related products diverse wood processing, gluing and pressing steps are common in the current state of the art, in particular there are differences in the application and processing of decorative layers, which Define the final appearance of the product.
  • decorative layers are usually applied to the support material (for example raw chipboards, core papers, etc.) by way of decorative papers, the decoration being fixed on the substrate by impregnation with resins and connected pressing steps.
  • This step can also be used to optionally apply over the resin further product-specific properties (eg abrasion resistance, etc.).
  • various melamine resins have proven to be suitable and are widely used in the production of particle boards and laminates.
  • relevant specialist literature In addition to the production of related decorative mass products, ie products with large lot sizes with repeating decorative patterns, there is also a great demand for individually designed, produced in small quantities Dekor chipboard and decorative laminates.
  • various printing technologies have prevailed, including "roll-to-roll” processes or decor appliqué using ink-jet technology, and the technologies and equipment used are state-of-the-art.
  • the final product properties can be further refined and adapted to the customer's requirements (e.g., abrasion resistance, haptics, etc.).
  • the present invention describes three approaches to improving decorative paper production by means of printing technologies based on (i) the addition of functionalized acrylates to standard graphic inks, (ii) the use of functionalized acrylates for substrate pretreatment ("primers") and (iii) aftertreatment of printed decorative papers for introducing functional groups onto the ink surface (eg by UV treatment, plasma or corona discharges).
  • the invention has for its object to improve the mechanical strength, in particular the adhesion, mechanical stability, abrasion resistance, etc., of the resin layers of large-area printed chipboards and decorative laminates.
  • This object of the invention is independently achieved in that in the method mentioned on the at least one or on the at least one paper layer of the decorative layer prior to placement on the stack on at least one stack in the direction of the core layer facing surface free functional chemical Groups are generated or applied as anchor groups for attachment to the core layer, by the adhesion-promoting additive, in which the (meth) acrylate has at least one free functional group selected from a group comprising hydroxy, thiol, epoxy and amino groups, by the use of the additive as an admixture to an ink for ink-jet printing or "roll to roll” process, by the ink containing this additive, by the decorative paper in which the resin is a (meth) acrylate, the at least one free having functional group selected from a group comprising hydroxy, thiol, epoxy and amino groups, or in which the surface printed with a (meth) acrylate-based ink is activated with UV radiation or by treatment with plasma or corona discharge, and by the composite whose decorative layer comprises at least one such decorative paper
  • the advantage here is that the surface chemical properties of the paper are significantly changed by a large-area ink application on the decorative paper.
  • chemical anchor groups for a crosslinking reaction with the melamine resin in the pressing step whereby the formation of covalent bonds between the decorative layer and the core layer can be achieved, and thus a higher stability, higher abrasion resistance, etc., in which Composite material according to the invention can be achieved.
  • these groups are preferably located in the ester group of the (meth) acrylate in order to have as free as possible access to these groups, i. to avoid steric effects by neighboring groups as much as possible but still to use the crosslinking properties of the (meth) acrylates.
  • one of three embodiments is preferably used.
  • the functional groups are applied to the paper layer by adding an additive based on (meth) acrylate to the ink used to print the paper layer of the decorative layer, the (meth) acrylate having at least one free functional group selected from a group comprising hydroxy, thiol, epoxy and amino groups.
  • the additive can preferably be added to the ink in a proportion selected from a range with a lower limit of 5% by weight and an upper limit of 70% by weight. Although below 5 wt%, there is an improvement in adhesion, abrasion resistance, etc. of the cured resin layer, but not in a sufficiently pronounced form. Above 70% by weight, no further improvement in adhesion, stability and abrasion resistance could be found. However, the additive can also be added to the ink in a proportion selected from a range with a lower limit of 15% by weight and an upper limit of 60% by weight, or selected from a range with a lower one Limit of 20% by weight and an upper limit of 50% by weight.
  • the functional groups are applied to the decorative layer by printing or impregnating the at least one paper layer of the decorative layer with a (meth) acrylate-based primer, wherein the (meth) acrylate has at least one free functional group selected from a group comprising hydroxy, thiol, epoxy and amino groups.
  • the adhesion can be further improved because it allows the primer to penetrate deep into the paper, ie not only superficially or in near-surface areas exists. It is thus achieved the formation of bonds to deeper regions of the paper.
  • an at least approximately regular occupation of the surface with anchor groups can thus be achieved in a simple manner, whereby the adhesive strength can be designed to be very uniform over the surface.
  • low surface tension is meant a surface tension of at most 35 mN / m.
  • the primer is preferably applied in an amount - based on the paper layer of the decorative layer - which is selected from a range with a lower limit of 30 wt .-% and an upper limit of 100 wt .-%.
  • An application of 30% by weight in this context corresponds at least approximately to the above-described dilute (meth) acrylate solution, ie the ink with the additive, whereas 100% by weight means impregnation with pure functionalized (meth) acrylate.
  • By dissolving or diluting the primer in a suitable solvent it may optionally be easier to apply if the (meth) acrylates are too viscous. While below 30% by weight, there is an improvement in adhesion, abrasion resistance, etc. of the cured resin layer, but not in the extent desired by the Applicant.
  • the primer itself or the additive to the ink between 30 wt .-% and 100 wt .-% of the functional groups having (meth) acrylate.
  • the primer can also be applied in an amount, based on the paper layer of the decorative layer, which is selected from a range with a lower limit of 40% by weight and an upper limit of 90% by weight or which is selected from a range with a lower limit of 50% by weight and an upper limit of 80% by weight.
  • the primer may contain the functionalized (meth) acrylate in a proportion selected from a range having a lower limit of 35% by weight and an upper limit of 90% by weight, or selected from a range of a lower limit of 45% by weight and an upper limit of 80% by weight.
  • the execution of the two variants described above is not possible or only possible to a limited extent, according to the third preferred variant embodiment there is the possibility of surface activation of already printed, unmodified decorative papers.
  • Such surface activation can be done by means of intensive UV radiation, plasma or corona discharge.
  • This surface activation is realized with commercial systems based on intensive UV radiation, plasma or corona discharges.
  • the associated devices correspond to the respective state of the art and are operated under the device-specific parameters necessary for paper substrates.
  • intensive UV radiation is intended to refer to UV radiation, which may in particular comprise short-wave UV radiation (eg up to 350 nm) but also vacuum UV radiation (around 170 nm).
  • Associated lamp systems or special lamp systems for generating vacuum UV radiation are commercially available in various embodiments and lamp powers and correspond to the current state of the art, but it is also within the scope of the invention the possibility that a combination of two or all three preferred embodiments is used.
  • the (meth) acrylate is simply functional with respect to the free functional group, thus avoiding too high a hardness or brittleness due to an excessive number of bonds, i. that a certain elasticity of the decorative layer can be maintained.
  • the free functional group is preferably terminal or at most one or a few C atom (s), for example two, three or four, remote from the terminal position of the alkyl group of the (meth) acrylate. Again, this can improve the accessibility to this group for the formation of the chemical bond.
  • the additive has a preferred viscosity at 20 ° C, measured with a rotational viscometer or Kugelfallrohr- viscometer is selected from a range with a lower limit of 1 mPa s and an upper limit of 150 mPa s.
  • the viscosity of the additive may also be selected from a range with a lower limit of 5 mPa s and an upper limit of 80 mPa s or a range with a lower limit of 10 mPa s and an upper limit of 30 mPa s.
  • the ink has a viscosity at 20 ° C., measured with a rotational viscometer or falling-ball viscometer selected is from a range with a lower limit of 3 mPa s and an upper limit of 150 mPa s.
  • the viscosity of the ink may also be selected from a range having a lower limit of 5 mPa s and an upper limit of 60 mPa s and a range having a lower limit of 10 mPa s and an upper limit of 40 mPa s.
  • a composite material according to the invention is usually plate-shaped and comprises a core layer and a cover layer.
  • the core layer may have a plurality of paper layers in the core layer which are interconnected via, for example, a melamine resin or phenolic resin and optionally a plurality of paper layers in the decorative layer which are likewise connected via a melamine resin or phenolic resin.
  • a decorative layer is arranged on the mutually opposite surfaces of the core layer.
  • the core layer can also be made of wood or a wood material, e.g. plate-shaped pressed wood chips.
  • the core layer may comprise one or more reinforcing layer (s), e.g. made of a metal such as aluminum.
  • a cover layer for example a clearcoat layer.
  • a composite material according to the invention thus consists of at least one core layer and at least one decorative layer.
  • paper is first printed with the desired décor ("decor paper"), whereby suitable graphic inks are used for the respective application method.
  • These graphic inks are usually ultraviolet, thermal or electron beam curable ink compositions composed of at least carrier liquids, surfactants, binders, dyes and pigments.
  • the ink consists of customary components.
  • the dyes or pigments known from the prior art can be used.
  • the colors cyan, magenta, yellow, white and black are used for color printing. Suitable dyes or pigments are described in the prior art.
  • the coloring agents are dissolved or dispersed in an organic solvent.
  • Suitable solvents or dispersants are various alcohols, e.g. Methanol, ethanol, isopropanols, butanols, and higher homologs; Ketones, e.g. Acetone, methyl ethyl ketone, cyclohexanone, etc .; Glycols, e.g. Ethylene glycol, propylene glycol, glycerin; Esters, such as, e.g. Ethyl acetate, propyl acetate, butyl acetate, amyl acetate.
  • the solvents from the prior art are known, to which reference is hereby made. But there are also mixtures of different solvents used.
  • the known inks may further contain a binder in the form of a polymer resin, for example a polyurethane, resins having carboxyl, sulfonic or phosphonic acid groups, (meth) acrylates, vinyls, polyesters, amides, phenols, polycarbonates, epoxides, polyketones, etc.
  • a binder in the form of a polymer resin, for example a polyurethane, resins having carboxyl, sulfonic or phosphonic acid groups, (meth) acrylates, vinyls, polyesters, amides, phenols, polycarbonates, epoxides, polyketones, etc.
  • a binder in the form of a polymer resin, for example a polyurethane, resins having carboxyl, sulfonic or phosphonic acid groups, (meth) acrylates, vinyls, polyesters, amides, phenols, polycarbonates, epoxides, polyketone
  • additives such as conductivity adjusting agents, ionic or nonionic wetting agents such as sulfosuccinic acid esters, sodium lauryl sulfate, acetylene glycol, nonylphenol ethoxylate, humectants such as glycerol, glycidene, ethylene glycol, polyethylene glycol, 2-pyrrolidone, may also act as viscosity regulator, defoamers, pH regulators, such as citric acid, succinic acid, etc. may be included.
  • a usable ink (without additive according to the invention) may have the following composition:
  • carrier liquids and surfactants acrylates, methacrylates, glycol derivatives, etc.
  • initiators e.g., photoinitiators, thermal initiators, etc.
  • the decorative paper After printing the decorative paper, it is applied to a suitable carrier material (e.g., raw chipboard or at least one core paper, usually a plurality of core papers are used), impregnated with a resin (e.g., melamine resin), and pressed under pressure and temperature.
  • a suitable carrier material e.g., raw chipboard or at least one core paper, usually a plurality of core papers are used
  • a resin e.g., melamine resin
  • large area should be understood to mean a printed area that amounts to at least 50% of the total area of the paper, meaning that full-surface printed papers are also addressed for this application.
  • an admixture of functionalized (meth) acrylates to standard graphic inks, or a pretreatment of the paper substrate with a primer and the surface-chemical modification of printed decorative papers can take place a covalent attachment of the decorative paper on the ink or the (meth) acrylate to the example Melamine network to allow.
  • (meth) acrylate on the one hand subsumes acrylates and, on the other hand, methacrylates.
  • an addition to standard graphic inks based on functionalized (meth) acrylates for increasing the stability, abrasion resistance, etc. of decorative chipboards and decorative laminates is used.
  • the functional anchor groups are already introduced in the production of decorative paper, so traveled during the printing process.
  • the additive according to the invention comprises at least one functionalized (meth) acrylate, in particular with hydroxyl, thiol, epoxy or amino groups.
  • the (meth) acrylate according to the invention for the addition is preferably selected from a group comprising 2-hydroxyethyl methacrylate, 2-hydroxyethyl acrylate, 12-hydroxydodecyl methacrylate, 3-hydroxybutyl methacrylate, 5-hydroxypentyl acrylate, 2-hydroxypropyl acrylate, hydroxybutyl acrylate, neopentyl glycol monoacrylate, polyethylene glycol acrylate (hydroxypropyl acrylate).
  • 2-hydroxypropyl methacrylate hydroxymethyl methacrylate, 2-hydroxybutyl methacrylate, 6-hydroxyhexyl methacrylate, 6-hydroxyhexyl acrylate, 3-hydroxybutyl acrylate, 2-hydroxyisopropyl methacrylate, 2-hydroxyisopropyl acrylate, 3-hydroxypropyl methacrylate, 3-hydroxypropyl acrylate, 4-hydroxybutyl acrylate, 2-hydroxypropyl methacrylate, 2 Methyl glycidyl methacrylate, glycidyl acrylate, glycidyl methacrylate, aminoethyl methacrylate, etc., or the corresponding thiol compounds.
  • These compounds can be added both as a pure component and in any mixtures of the standard graphic ink.
  • the addition may be made directly or after dilution in a suitable solvent (e.g., various glycols, etc.).
  • the proportion of solvent in the additive may be between 5% by weight and 50% by weight.
  • the additive may also contain other constituents, such as viscosity regulators (eg high molecular weight glycol derivatives), in a proportion of between 5% by weight and 40% by weight.
  • viscosity regulators eg high molecular weight glycol derivatives
  • rheology e.g., viscosity, etc.
  • This can e.g. by the addition of higher viscosity polypropylene glycols, polyethylene glycols, etc.
  • the substrate is pretreated with a primer comprising these functionalized (meth) acrylates.
  • the paper is impregnated with the functionalized (meth) acrylates before printing.
  • the primer is applied by impregnation or printing of the paper substrate, whereby the paper can be soaked or printed directly with the functionalized acrylates.
  • the functionalized (meth) acrylates or mixtures thereof in a suitable solvent (e.g., various glycols, etc.) to impregnate or print the substrate.
  • a suitable solvent e.g., various glycols, etc.
  • the e.g. the above-mentioned printing methods are used.
  • the dipping can be done either continuously by pulling off a paper web from a roll, drawing it through the dipping bath and then, if necessary, rewinding it onto a roll if the paper thus pretreated is not immediately supplied to the composite for further processing.
  • a drying can be done before winding.
  • the primer may be e.g. also contain viscosity regulators (e.g., various glycol derivatives) as ingredients in an amount of between 5% and 30% by weight, based on the total primer composition.
  • viscosity regulators e.g., various glycol derivatives
  • the required functional groups can be generated by intensive UV irradiation or by treatment in a plasma or by corona discharge directly on the decor paper layer printed with the standard graphite ink and these can thus be activated.
  • the respective device-specific parameters are used, whereby the term "intensive” is understood in particular to mean short-wave UV radiation (eg up to 350 nm) but also vacuum UV radiation (around 170 nm)
  • the term "intensive” is understood in particular to mean short-wave UV radiation (eg up to 350 nm) but also vacuum UV radiation (around 170 nm)
  • standard mercury vapor lamps can be used, which have large lamp powers (eg, 2000W.)
  • Associated lamp systems or special lamp systems for generating vacuum UV radiation are commercially available in various embodiments and lamp powers and correspond to the current state of the art takes place under the device-specific parameters.
  • the plasma discharge or preferably corona discharge can be carried out with commercial systems whose operation is carried out under the respective device-specific parameters for plastic or paper surfaces.
  • the respective devices correspond to the current state of the art and can also be implemented eg in continuous systems.
  • the corona discharge bombards the surface of the substrate with electrons. These electrons (from the electrode) become accelerated under the influence of high voltage towards the substrate, thereby colliding with air molecules, which in turn emit light and partially react to ozone and nitrogen oxides. When the electrons hit the substrate, they have so much energy that they can break the bonds between the C atoms. Reactions with the corona gas take place at these free radicals, predominantly in the direction of oxidation.
  • the functional groups formed are polar and can thus improve the adhesion.
  • the inks used had the composition described above.
  • the paper substrate for the production of decorative papers was impregnated with pure 2-hydroxyethyl methacrylate prior to printing using a "roll to roll” process
  • the decor paper obtained was used in the further production process for the production of decorative chipboard and decorative laminates
  • the further processing was carried out as in Example 1.
  • the paper substrate for the production of decorative papers was impregnated with a 1: 1 mixture of 2-hydroxyethyl methacrylate and glycidyl methacrylate prior to printing by inkjet printing. After printing with a standard graphic ink, the decor paper obtained was used in the further production process for the production of decorative chipboard and decorative laminates. The further processing was carried out as in Example 1.
  • Example 5 Prior to soaking the paper substrate to produce decorative papers, a 1: 1 mixture of 2-hydroxyethyl methacrylate and glycidyl methacrylate was diluted with propylene glycol diacrylate to give a 70 wt% solution in propylene glycol diacrylate. With this solution, the paper substrate was soaked and printed with a standard graphic ink in a "roll to roll” process, after which the decor paper obtained was used in the further production process for the production of decorative chipboard and decorative laminates 1.
  • a decorative paper printed with standard graphic inks without primer in a "roll to roll” process was activated by means of intensive UV radiation under device-specific settings, after which the obtained, activated decorative paper was used in the further production process for the production of decorative chipboard and decorative laminates.
  • the further processing was carried out as in Example 1.
  • the substrate was irradiated with a 2000 W mercury vapor lamp for 30 seconds to 50 seconds in air.
  • the adhesive strength of the composite layer was measured. It has been found that the laminates produced according to the invention had a better adhesive strength of the decor paper to the core layer compared to the laminate according to the experimental example.
  • the laminates modified according to the invention fulfilled the respective product-specific standard requirements, whereby it is particularly important that "repulsion reactions" are avoided by this invention (eg detachment during compression, etc.).

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un procédé pour produire un matériau composite comprenant au moins une couche de base ou centrale, et au moins une couche de décoration disposée sur ladite couche de base ou centrale, la couche de décoration comprenant au moins une couche de papier imprimé pourvu d'une résine, et la couche de base ou centrale comprenant au moins une couche de bois, de matériau dérivé du bois ou de papier support imprégné de résine, les couches individuelles étant superposées pour former une pile, puis pressées ensemble sous l'effet d'une pression et éventuellement d'une température élevée. Des groupes chimiques fonctionnels libres, sous forme de groupes d'ancrage servant à la liaison de la couche centrale, sont produits ou appliqués, avant l'agencement sur la pile, sur ladite au moins une couche de papier de décoration, sur au moins une surface de la pile, tournée dans la direction de la couche centrale.
PCT/AT2009/000319 2008-08-28 2009-08-20 Matériau composite WO2010022418A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0133408A AT507258A1 (de) 2008-08-28 2008-08-28 Verbundwerkstoff
ATA1334/2008 2008-08-28

Publications (2)

Publication Number Publication Date
WO2010022418A2 true WO2010022418A2 (fr) 2010-03-04
WO2010022418A3 WO2010022418A3 (fr) 2010-07-01

Family

ID=41395778

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2009/000319 WO2010022418A2 (fr) 2008-08-28 2009-08-20 Matériau composite

Country Status (2)

Country Link
AT (1) AT507258A1 (fr)
WO (1) WO2010022418A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010037632A1 (de) * 2010-09-17 2012-03-22 Theodor Hymmen Verwaltungs Gmbh Verfahren zur Herstellung eines digitalbedruckten Werkstückes

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010003437B4 (de) * 2010-03-30 2012-02-09 Pfleiderer Holzwerkstoffe Gmbh Verbundmaterial und Verfahren zu dessen Herstellung

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1247230A (en) * 1968-09-20 1971-09-22 British Industrial Plastics Modified triazine resin compositions
US3975572A (en) * 1975-12-22 1976-08-17 Formica Corporation Thin, tough, stable, mar-resistant laminate
EP0841157A2 (fr) * 1996-11-07 1998-05-13 Air Products And Chemicals, Inc. Stratifiés flexibles liés par des véhicules d'encre à base aqueuse et des adhésifs
US5948546A (en) * 1996-10-11 1999-09-07 Air Products And Chemicals, Inc. Flexible laminates bonded with water-based laminating vehicles and laminating adhesives
WO2004067599A1 (fr) * 2003-01-31 2004-08-12 Surface Specialties, S.A. Compositions flexibles durcissables par rayonnement
US20050168688A1 (en) * 1999-11-01 2005-08-04 Praful Doshi Tinted lenses and methods of manufacture
US20080103280A1 (en) * 2006-10-26 2008-05-01 Chisso Corporation Ink-jet ink and cured film obtained from same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007224096A (ja) * 2006-02-22 2007-09-06 Aica Kogyo Co Ltd 熱硬化性樹脂組成物及びポストフォーム化粧板

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1247230A (en) * 1968-09-20 1971-09-22 British Industrial Plastics Modified triazine resin compositions
US3975572A (en) * 1975-12-22 1976-08-17 Formica Corporation Thin, tough, stable, mar-resistant laminate
US5948546A (en) * 1996-10-11 1999-09-07 Air Products And Chemicals, Inc. Flexible laminates bonded with water-based laminating vehicles and laminating adhesives
EP0841157A2 (fr) * 1996-11-07 1998-05-13 Air Products And Chemicals, Inc. Stratifiés flexibles liés par des véhicules d'encre à base aqueuse et des adhésifs
US20050168688A1 (en) * 1999-11-01 2005-08-04 Praful Doshi Tinted lenses and methods of manufacture
WO2004067599A1 (fr) * 2003-01-31 2004-08-12 Surface Specialties, S.A. Compositions flexibles durcissables par rayonnement
US20080103280A1 (en) * 2006-10-26 2008-05-01 Chisso Corporation Ink-jet ink and cured film obtained from same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 200781 Thomson Scientific, London, GB; AN 2007-877150 XP002565164 & JP 2007 224096 A (AICA KOGYO CO LTD) 6. September 2007 (2007-09-06) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010037632A1 (de) * 2010-09-17 2012-03-22 Theodor Hymmen Verwaltungs Gmbh Verfahren zur Herstellung eines digitalbedruckten Werkstückes
EP2431190A3 (fr) * 2010-09-17 2012-06-20 Theodor Hymmen Verwaltungs GmbH Procédé de fabrication d'une pièce usinée imprimée numériquement

Also Published As

Publication number Publication date
WO2010022418A3 (fr) 2010-07-01
AT507258A1 (de) 2010-03-15

Similar Documents

Publication Publication Date Title
EP2431190B1 (fr) Procédé de fabrication d'une pièce usinée imprimée numériquement
EP0166153B1 (fr) Panneau décoratif à propriétés de surface améliorées
WO2014029887A1 (fr) Procédé d'impression sur un panneau mural ou de sol
EP3046778B1 (fr) Films de transfert thermique pour la peinture à sec de surfaces
EP2367691B1 (fr) Procédé de fabrication d'une pièce d'usinage portant une impression numérique
EP3725519A2 (fr) Procédé de fabrication d'une surface de pièce tr?s mate, par exemple, d'une surface de meuble ou de plancher, ainsi que surface de pièce
EP3394140B1 (fr) Panneaux stratifies et leur procede de fabrication
EP2045393B2 (fr) Procédé de fabrication d'une feuille résistant à l'usure et feuille de finition fabriquée selon ce procédé
DE2947597B1 (de) Verfahren zum Herstellen von Filmen oder UEberzuegen
EP2960369A1 (fr) Procédé de fabrication de laminé
DE10035924B4 (de) Imprägnat und Verfahren zur Herstellung und Verwendung des Imprägnats
EP3059020B1 (fr) Procédé de fabrication d'une plaque en dérivé de bois, notamment d'une plaque en dérivé de bois dotée d'une couche décorative
EP2480416B1 (fr) Procédé de fabrication d'une pièce d'usinage portant une impression numérique
EP0022153B1 (fr) Procédé de fabrication d'une feuille décorative à effet fini
WO2010022418A2 (fr) Matériau composite
EP1518024B2 (fr) Preimpregne
DE3329679C1 (de) Traegerbahn zur bewitterungsfesten Oberflaechenbeschichtung von duennen,flaechigen Traegern in Endlospressen ohne Rueckkuehlung
DE102020007628A1 (de) Verfahren zur Herstellung einer Werkstoffplatte sowie eines Kaschierfilms
EP4011612B1 (fr) Imprégnat ayant des propriétés antistatiques
EP2058098A1 (fr) Procédé de fabrication d'un matériau dérivé du bois, ainsi que matériau dérivé du bois
EP3936559A1 (fr) Matières pouvant être laquées et laquées à surfaces structurées
DE4118731A1 (de) Verfahren zur herstellung matter lackoberflaechen
WO2022128023A1 (fr) Procédé de réalisation d'un panneau de matériau et d'un film de contre-collage
WO2018234466A1 (fr) Plaques de stratifié haute pression et procédé de fabrication desdites plaques
DE1794073A1 (de) Verbundplatte enthaltend eine Metallfolie und Verfahren zu ihrer Herstellung

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09775601

Country of ref document: EP

Kind code of ref document: A2

DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 09775601

Country of ref document: EP

Kind code of ref document: A2