EP1681103B1 - Matériau à base de bois comprenant une surface conductrice - Google Patents

Matériau à base de bois comprenant une surface conductrice Download PDF

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Publication number
EP1681103B1
EP1681103B1 EP06000691A EP06000691A EP1681103B1 EP 1681103 B1 EP1681103 B1 EP 1681103B1 EP 06000691 A EP06000691 A EP 06000691A EP 06000691 A EP06000691 A EP 06000691A EP 1681103 B1 EP1681103 B1 EP 1681103B1
Authority
EP
European Patent Office
Prior art keywords
layer
wooden material
plate
synthetic resin
coating
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.)
Not-in-force
Application number
EP06000691A
Other languages
German (de)
English (en)
Other versions
EP1681103A2 (fr
EP1681103A3 (fr
Inventor
Roger Braun
Pius Steinmann
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.)
Kronotec AG
Original Assignee
Kronotec AG
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 Kronotec AG filed Critical Kronotec AG
Priority to PL10150990T priority Critical patent/PL2192229T3/pl
Priority to PL06000691T priority patent/PL1681103T3/pl
Priority to EP10150990.9A priority patent/EP2192229B1/fr
Publication of EP1681103A2 publication Critical patent/EP1681103A2/fr
Publication of EP1681103A3 publication Critical patent/EP1681103A3/fr
Application granted granted Critical
Publication of EP1681103B1 publication Critical patent/EP1681103B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/043—Ornamental plaques, e.g. decorative panels, decorative veneers containing wooden elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/06—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to wood
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/18—Paper- or board-based structures for surface covering
    • D21H27/22—Structures being applied on the surface by special manufacturing processes, e.g. in presses
    • D21H27/26—Structures being applied on the surface by special manufacturing processes, e.g. in presses characterised by the overlay sheet or the top layers of the structures
    • D21H27/28—Structures being applied on the surface by special manufacturing processes, e.g. in presses characterised by the overlay sheet or the top layers of the structures treated to obtain specific resistance properties, e.g. against wear or weather
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • 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
    • B05D2203/00—Other substrates
    • B05D2203/22—Paper or cardboard
    • 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
    • B05D2601/00—Inorganic fillers
    • B05D2601/20—Inorganic fillers used for non-pigmentation 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
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/048—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against static electricity

Definitions

  • the invention relates to a plate-shaped wood material and an overlay, which are each coated with a synthetic resin.
  • Wood-based materials coated with synthetic resins are widely used in practice, for example as floors, wall or ceiling coverings, countertops, work surfaces and the like. Overlays coated with synthetic resins, which are suitable for application to wood-based materials, are a common precursor in the production of coated wood-based materials. Due to the resistant surfaces resulting from the coating of the wood-based materials directly or through the application of resin-impregnated overlays, these wood-based materials used both in the living area (kitchens, offices, floors) and used for commercial purposes. In the context of this invention, all products made of wood or a mixture of wood and plastic are referred to as wood-based materials. Particularly typical wood-based materials are different types of fiberboard or chipboard.
  • Black, gray or semi-transparent, conductive paints are used in the US 6,296,939 described, but only as a carrier layer for depositing powder coating particles, which are then melted and cured to a lacquer layer. Fully transparent conductive paints are not described.
  • antistatic agents mostly surfactants
  • these surfactants extract water from the ambient air.
  • the forming in the vicinity of the surfactants, thin molecular water film is sufficient to ensure a minimum charge balance.
  • This intrinsically simple and convincing active principle has in practice two decisive disadvantages:
  • the water film forming around the surfactants only causes a reduction of the surface resistivity by about one order of magnitude, ie to about 1 ⁇ 10 10 ⁇ to 1 ⁇ 10 11 ⁇ ,
  • the measured values, z. B. to EN 14 041 are required to classify surfaces as conductive, not achievable.
  • Another disadvantage is that the ambient air must have sufficient moisture to form a film of water.
  • the problem of static charge is just at low humidity. Antistatic agents do not work exactly when they are needed.
  • the core of the invention is the incorporation of electrically conductive, transparent particles in synthetic resin, preferably in transparent synthetic resin.
  • This mixed with transparent, electrically conductive particles resin is then either on an overlay applied or on the surface of a plate-shaped wood material.
  • a single layer of synthetic resin mixed with small amounts of said particles is sufficient to ensure a significant improvement in the dissipation capacity permanently and independently of other parameters such as ambient humidity, for example a surface for a dissipative floor according to DIN IEC 61 340 to create.
  • Transparent conductive particles are produced, for example, by applying metal oxides to carrier particles.
  • a mica particle doped with tin and antimony oxide is suitable.
  • Transparent particles may have a platy or spherical shape. Good conductivity and transparency as well as optimum conductivity is achieved with particles having a diameter of up to 25 .mu.m, preferably up to 15 .mu.m, preferably of up to 10 microns.
  • the electrically conductive, transparent particles are contained in only one layer of a multilayer synthetic resin structure on an overlay or a plate-shaped wooden material.
  • up to 15% by weight (% by weight) of electrically conductive, transparent particles are based on the solids content of the synthetic resin, preferably up to 10% by weight, more preferably up to 8% by weight of particles based on the Solid portion of the resin used.
  • a dissipative surface on an overlay or a plate-shaped wood material is built up if at least one layer, that is to say up to 40 g / m 2 of a synthetic resin mixed with transparent, conductive particles according to the invention, is applied.
  • at least one layer that is to say up to 40 g / m 2 of a synthetic resin mixed with transparent, conductive particles according to the invention.
  • up to 25 g / m 2 more preferably up to 15 g / m 2 , advantageously up to 10 g / m 2 are sufficient.
  • the layer structure of the respective surface can easily exceed 100 g / m 2 in the case of a multilayer structure. Nevertheless, only one layer of the invention with particles is sufficient offset resin to obtain a surface having a significantly improved Ableitdate.
  • This value is achieved with the inventively applied to an overlay or a plate-shaped wood material, provided with particles of synthetic resin layer. It should be particularly pointed out that this is achieved largely independently of the ambient humidity, that is also at values of, for example, 25% relative humidity.
  • a reduction of the surface resistance to values of 2 ⁇ 10 08 ⁇ was achieved with the overlay according to the invention when using melamine resin which has been mixed with transparent, electrically conductive particles.
  • the electrically conductive, transparent particle is firmly anchored in the synthetic resin. It may therefore be contained in the outermost layer of a multi-layered surface. Surprisingly, however, the desired dissipation ability is also achieved if the layer containing the mentioned particle is used in a multi-layered surface structure, e.g. is covered by other resin layers.
  • a transparent synthetic resin is used, in particular a melamine resin.
  • a melamine resin is used, so that these e.g. also suitable for work surfaces in the electronic industry.
  • Panels are also often used for the design of wall surfaces, so floors, ceilings or walls.
  • the coating according to the invention proves to be advantageous, since the conductive surface is also suitable for at least partial shielding of electromagnetic fields. It thus helps to avoid interference from electrosmog.
  • the term "overlay” is understood to mean that a carrier made of paper or a synthetic fiber scrim is coated at least with a synthetic resin layer having transparent, electrically conductive particles. Overlays are usually used for coating board-shaped wooden materials. Alternatively, wood-based materials are renounced by an overlay immediately provided with a layered surface structure.
  • the at least single-layer surface coating of the overlay according to the invention has at least one synthetic resin into which the electrically conductive, transparent particles are mixed.
  • the synthetic resin may also contain fibers to form a so-called "liquid overlay”. That is, when using a "liquid overlay” can be dispensed with the use of the usual paper-based overlay. The liquid overlay is applied directly in liquid form to the surface of a wood material.
  • the multi-layered surface of plate-shaped wooden materials often also has a layer of coloring constituents, which is covered by transparent synthetic resin layers. Especially in the case of this surface structure, it becomes clear that the transparency of the electrically conductive particles abolishes restrictions on the use of the plate-shaped wood-based materials which hitherto existed.
  • An overlay with a basis weight of 40 g is used by rollers by itself Known impregnation with Quetschwalzendostechnik out.
  • melamine resin with a solids content of 60% is introduced into the paper.
  • the overlay is passed through a pair of rollers on which excess synthetic resin is stripped off.
  • the paper thus impregnated has a weight of 100 g / m 2 after intermediate drying.
  • an additional melamine resin layer of 20 g / m 2 is applied to the top and bottom of the paper in a raster application work.
  • the top side applied melamine resin layer is associated with-related to the solids content of the melamine resin 8 wt .-% transparent, electrically conductive particles, namely with mica particles, which are doped with tin and antimony, and a diameter of approx 15 ⁇ m.
  • the overlay is dried after application of the second melamine resin layer.
  • the overlay is pressed on a high-density fiberboard on which decorative paper is already applied, under pressure and heat.
  • the resulting surface of the fiberboard has a surface resistivity of 3.0 x 10 08 ⁇ when tested for electrostatic behavior according to IEC 60093 and EN 1081. If such a coated fiberboard is used as floor, it is classified as "Ableitschreiber complicatboden” according to DIN IEC 61340 -4-1: 1997 or as "electrostatic dissipative floor covering" according to EU 14041: 2004 -12-20. This classification was previously unattainable when using melamine resins for surface coating of floors.
  • the test according to EN 1815 results in a so-called person voltage of 1.8 kV on an insulating pad for a person in rubber soles.
  • the coated with the above overlay fiberboard is classified as a conductive floor, because the personal voltage of 2 kV is well below.
  • a medium density fiberboard 2 is -as in Fig. 1 shown after smoothing the surface by means of paint a decor 4 applied.
  • a decor 4 more surface layers are applied, namely a first layer 6 of a UV-curing paint with a layer thickness of 20 microns, which-based on the solids content of the Melaminharzes- with 8 wt .-% of the above, transparent, electrically conductive particles 10 is provided.
  • a further layer 12 of a UV-curing lacquer with a layer thickness of 20 microns is applied and the lacquer layers are finally cured.
  • the thus surface-coated hardboard 2 is provided with an edge profiling 14 a, b. It is used as a ceiling or wall panel.
  • Fig. 1 shows the individual layers of the surface structure for the sake of clarity not to scale.
  • This panel has a surface resistance of about 10 08 ⁇ to 10 09 ⁇ . It shields electromagnetic fields at least partially. If these panels z. B. laid as wallcovering in rooms that are exposed to electromagnetic fields, so these fields behind the panels, so in the rooms, only weakened or no longer perceived.
  • a decorative paper intended for use on a countertop is made by impregnating a backing paper with a melamine resin decor print. On this impregnated paper is then -as described in Example 1, a melamine resin layer, which-based on the solids content of the melamine resin-10 wt .-% of the particles described in Example 1 is added, and those at 40 g / m 2 is applied to the prepregnated paper.
  • the decorative paper with a conductive top surface thus produced is pressed onto a chipboard.
  • This chipboard is suitable for use as a worktop, in particular in the electronic industry, since the surface resistance of the melamine resin coating thus produced is 10 07 ⁇ to 10 09 ⁇ . Sensitive electronic components that are damaged or destroyed by stronger electrical discharges can be stored or processed on these easily and inexpensively manufactured surfaces.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Wrappers (AREA)
  • Table Devices Or Equipment (AREA)
  • Silicon Polymers (AREA)
  • Glass Compositions (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Paints Or Removers (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)

Claims (8)

  1. Matériau à base de bois en forme de plaque (2) avec une enduction de surface au moins en une couche, l'enduction de surface présentant au moins une couche avec
    - une résine synthétique qui est éventuellement mélangée avec des fibres et qui
    - présente au moins un type de particules transparentes conductives (10),
    caractérisé en ce que le taux de particules (10) est jusqu'à 15 % en poids par rapport au taux de matières solides de la résine synthétique mise en oeuvre par rapport au taux de solides de la résine synthétique mise en oeuvre et que la résine synthétique mélangée avec des particules est appliquée sur le matériau à base de bois en forme de plaque en une quantité d'application allant jusqu'à 40 g/m2.
  2. Matériau à base de bois en forme de plaque selon la revendication 1, caractérisé en ce que la résine synthétique mélangée avec des particules (10) est appliquée sur le matériau à base de bois en forme de plaque comme couche d'une épaisseur allant jusqu'à 30 µm, de préférence allant jusqu'à 20 µm, de manière particulièrement préférée allant jusqu'à 10 µm.
  3. Matériau à base de bois en forme de plaque selon la revendication 1, caractérisé en ce qu'une résine synthétique transparente est mise en oeuvre.
  4. Matériau à base de bois en forme de plaque selon la revendication 3, caractérisé en ce que de la résine de mélamine est mise en oeuvre comme résine synthétique.
  5. Matériau à base de bois en forme de plaque selon la revendication 1, caractérisé en ce que l'enduction de surface du matériau à base de bois présente au moins une autre couche.
  6. Matériau à base de bois en forme de plaque selon la revendication 1, caractérisé en ce que l'enduction de surface présente une autre couche qui présente une résine synthétique dans laquelle du corindon est mélangé.
  7. Matériau à base de bois en forme de plaque selon la revendication 1, caractérisé en ce que l'enduction de surface du matériau à base de bois présente au moins une autre couche qui présente des composants qui donnent de la couleur.
  8. Matériau à base de bois en forme de plaque selon l'une des revendications 1 à 7, caractérisé en ce que le matériau à base de bois en forme de plaque est configuré comme un panneau de plancher, de mur ou de plafond.
EP06000691A 2005-01-14 2006-01-13 Matériau à base de bois comprenant une surface conductrice Not-in-force EP1681103B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL10150990T PL2192229T3 (pl) 2005-01-14 2006-01-13 Powłoka przewodząca
PL06000691T PL1681103T3 (pl) 2005-01-14 2006-01-13 Tworzywo drzewne o powierzchni odprowadzającej ładunki elektryczne
EP10150990.9A EP2192229B1 (fr) 2005-01-14 2006-01-13 Recouvrement à capacité de décharge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005002059A DE102005002059A1 (de) 2005-01-14 2005-01-14 Holzwerkstoff mit ableitfähiger Oberfläche

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP10150990.9 Division-Into 2010-01-18

Publications (3)

Publication Number Publication Date
EP1681103A2 EP1681103A2 (fr) 2006-07-19
EP1681103A3 EP1681103A3 (fr) 2006-09-27
EP1681103B1 true EP1681103B1 (fr) 2010-10-20

Family

ID=36147631

Family Applications (2)

Application Number Title Priority Date Filing Date
EP10150990.9A Active EP2192229B1 (fr) 2005-01-14 2006-01-13 Recouvrement à capacité de décharge
EP06000691A Not-in-force EP1681103B1 (fr) 2005-01-14 2006-01-13 Matériau à base de bois comprenant une surface conductrice

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP10150990.9A Active EP2192229B1 (fr) 2005-01-14 2006-01-13 Recouvrement à capacité de décharge

Country Status (5)

Country Link
EP (2) EP2192229B1 (fr)
AT (1) ATE485114T1 (fr)
DE (2) DE102005002059A1 (fr)
ES (2) ES2428416T3 (fr)
PL (2) PL2192229T3 (fr)

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CN109016042B (zh) 2011-08-26 2021-12-24 塞拉洛克创新股份有限公司 用于生产层压制品的方法
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UA118967C2 (uk) 2013-07-02 2019-04-10 Велінге Інновейшн Аб Спосіб виготовлення будівельної панелі і будівельна панель
CN105612062A (zh) 2013-10-18 2016-05-25 瓦林格创新股份有限公司 建筑镶板的制造方法
DE102013113130B4 (de) 2013-11-27 2022-01-27 Välinge Innovation AB Verfahren zur Herstellung einer Fußbodendiele
DE102013113109A1 (de) 2013-11-27 2015-06-11 Guido Schulte Fußbodendiele
DE102013113125A1 (de) 2013-11-27 2015-05-28 Guido Schulte Fußboden-, Wand- oder Deckenpaneel und Verfahren zu dessen Herstellung
WO2015105456A1 (fr) 2014-01-10 2015-07-16 Välinge Innovation AB Procédé de production d'un élément plaqué
MX2016012477A (es) 2014-03-31 2017-05-04 Ceraloc Innovation Ab Tablas y paneles compuestos.
RU2687440C2 (ru) 2014-05-12 2019-05-13 Велинге Инновейшн Аб Способ изготовления элемента, покрытого шпоном, и такой элемент, покрытый шпоном
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EP3882021A1 (fr) 2016-04-25 2021-09-22 Välinge Innovation AB Élément plaqué et procédé de fabrication d'un tel élément plaqué
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CN113260506A (zh) 2019-01-09 2021-08-13 瓦林格创新股份有限公司 生产单板元件的方法和单板元件

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DE20318290U1 (de) 2003-11-26 2004-04-01 M. Kaindl Antistatisches Papier nebst Paneel
WO2005116361A1 (fr) * 2004-05-28 2005-12-08 Kronotec Ag Panneau en materiau derive du bois presentant un revetement de surface

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Publication number Publication date
EP2192229B1 (fr) 2013-07-24
EP2192229A3 (fr) 2012-01-11
DE102005002059A1 (de) 2006-07-27
EP1681103A2 (fr) 2006-07-19
PL2192229T3 (pl) 2013-12-31
ATE485114T1 (de) 2010-11-15
PL1681103T3 (pl) 2011-04-29
DE502006008108D1 (de) 2010-12-02
EP2192229A2 (fr) 2010-06-02
ES2353895T3 (es) 2011-03-08
EP1681103A3 (fr) 2006-09-27
ES2428416T3 (es) 2013-11-07

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