EP2931527A1 - Procédé de fabrication d'un panneau de matériau pourvu d'une couche décorative - Google Patents

Procédé de fabrication d'un panneau de matériau pourvu d'une couche décorative

Info

Publication number
EP2931527A1
EP2931527A1 EP13811849.2A EP13811849A EP2931527A1 EP 2931527 A1 EP2931527 A1 EP 2931527A1 EP 13811849 A EP13811849 A EP 13811849A EP 2931527 A1 EP2931527 A1 EP 2931527A1
Authority
EP
European Patent Office
Prior art keywords
resin
paper
decor
impregnated
decorative paper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13811849.2A
Other languages
German (de)
English (en)
Other versions
EP2931527B1 (fr
Inventor
Norbert Kalwa
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.)
Flooring Technologies Ltd
Original Assignee
Flooring Technologies Ltd
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 Flooring Technologies Ltd filed Critical Flooring Technologies Ltd
Priority to EP13811849.2A priority Critical patent/EP2931527B1/fr
Priority to PL13811849T priority patent/PL2931527T3/pl
Publication of EP2931527A1 publication Critical patent/EP2931527A1/fr
Application granted granted Critical
Publication of EP2931527B1 publication Critical patent/EP2931527B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B44C5/0469—Ornamental plaques, e.g. decorative panels, decorative veneers comprising a decorative sheet and a core formed by one or more resin impregnated sheets of paper
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring

Definitions

  • Impregnated papers are usually pressed onto a carrier by means of KT (short-cycle press) technology in a press.
  • KT short-cycle press
  • this KT technology also has some disadvantages.
  • the impregnated paper sheets are relatively brittle and may tear or break during processing.
  • the production of the sheets is also prone to jeopardy.
  • this method is also relatively expensive, since a total of three papers are used.
  • the method comprises the following steps: a) providing the carrier plate, b) applying at least one layer of at least one impregnating resin to at least one side of the carrier plate, preferably to the upper side of the carrier plate, and c) providing the decorative paper, d) applying at least a resin as impregnating agent on the decorative opposite side of the decor paper, and e) placing the decorative paper with the impregnated opposite side of the decor on the side provided with the impregnating resin side of the support plate.
  • the present method is thus characterized in that only one side, preferably the non-printed underside of the decorative paper or decorative paper is impregnated with a resin.
  • a decorative paper is used in the manufacture of a material plate which is only partially impregnated, wherein preferably the entire surface of the non-printed underside of the decorative paper, i. the side opposite the visible side of the decorative paper is evenly provided with the impregnating resin.
  • an aqueous impregnating resin is used as the impregnating resin on the back, i. applied to the non-decorative side of the decorative paper.
  • the decor of the decorative paper can be applied by gravure and / or digital printing.
  • the amount of resin applied to the side of the decor paper opposite the decor is between 30 and 70% by weight, preferably between 40 and 60% by weight, particularly preferably 50% by weight, based on the paper weight of the decorative paper.
  • 50 to 100 g, preferably 70 g of impregnating resin per m 2 of decorative paper (paper weight: 70 g / m 2 , solids content impregnating resin: 50% by weight) are applied.
  • the decor paper impregnated on the opposite side of the decor has a swelling in the length in a range of 0.2 to 0.4% and in the width of 0.5 to 0.9% can.
  • the values for fully impregnated papers are in the range of 0.4 to 0.9% in length and 1.2 to 1.8% in width.
  • the decorative paper impregnated on one side has a better adhesion and a faster adhesion to the carrier plate compared to a dry decorative paper.
  • the liquid resin or impregnating resin applied to the at least one side of the carrier plate causes a dissolution of the predried impregnating agent on the back side of the decorative paper, which allows faster bonding of the decorative paper to the carrier plate.
  • the impregnating resin activates the impregnation and leads to a rapid caking and a slip-proof connection between the carrier plate and decorative paper. An additional glue line is not required.
  • the decor paper impregnated on the side opposite the decor is dried to a moisture content of 3-10% by weight, preferably 5-7% by weight, particularly preferably 6% by weight. Drying can be done in a convection dryer or near infrared (NIR).
  • NIR near infrared
  • the one-sided and preferably full-surface impregnated decorative paper is rolled up on its underside. This allows storage of the partially impregnated decorative paper for further use.
  • the decor paper impregnated on the side opposite the decor can be applied or pressed onto the carrier plate immediately or immediately after the impregnation.
  • the application or Pressing the partially impregnated decorative paper on the carrier plate, which was previously provided with the liquid resin or impregnating resin was previously provided with the liquid resin or impregnating resin.
  • the impregnating resin is preferably a melamine-formaldehyde resin, a melamine-urea resin or an acrylate resin having a solids content of 30-70 wt%, preferably 40- 60 wt%, in particular having a solids content of 50 wt%.
  • a melamine-formaldehyde resin As impregnating resins, which are to be applied to the at least one side of the support plate, a melamine-formaldehyde resin, a melamine-phenol-formaldehyde resin, a melamine-urea resin or an acrylate resin having a solids content between 55-80 wt %, preferably 60-70% by weight, particularly preferably applied by 60% by weight. Accordingly, the viscosity of the liquid resin applied to the support plate is higher than the resin used as the impregnating agent.
  • the amount of the impregnating resin to be applied to the support plate is 30 to 70 g, preferably 50 g per m 2 of support plate.
  • the impregnating resin contains the usual auxiliaries such as hardeners, wetting agents, defoamers, etc.
  • the impregnating resin to be applied to the carrier plate is applied to the carrier plate by means of a roller and dried after application in order to evaporate part of the water. However, the drying takes place only so far that the impregnating resin still has enough tack to fix the partially impregnated decor paper.
  • This further layer to be applied can consist only of a resin, or it is also possible to use a mixture containing the resin, natural and / or synthetic fibers, wear-reducing particles and optionally further additives.
  • the liquid or impregnating resin to be applied to the decorative paper for example a melamine resin of the abovementioned type, has a solids content of 60-70% by weight, in particular of 60% by weight.
  • the formulation of impregnating resin, fibers and abrasion-resistant particles is preferably applied in an amount of 50-80 g of solid resin / square meter.
  • This applied to the top of the decorative paper mixture can then be dried in a dryer to a defined residual moisture. Again, the drying can be done in a convection dryer or by near infrared.
  • This method can be repeated several times in other commissioned works and dryers, wherein in one variant abrasion-resistant particles are present in the resin formulation in the first two application units. In another variant, only one order of resin with corundum is provided.
  • liquid resin liquid resin
  • natural and / or synthetic resins natural and / or synthetic resins
  • abrasion-resistant particles optionally further additives the application of a further mixture of impregnating resin, fibers, glass spheres and auxiliaries.
  • a total of two to four further orders of this mixture can be made, so that in this case the formation of a so-called liquid overlay takes place.
  • At least one overlay in particular a resin-impregnated overlay (overlay impregnate), is applied to this first application of the mixture of liquid resin or liquid resin, fibers, particles and optionally further additives.
  • At least one overlay in particular a resin-impregnated overlay, after placing the decorative paper impregnated on the opposite side of the decor onto the carrier plate in an alternative further step f1).
  • the natural and / or synthetic fibers are preferably selected from a group of bleached cellulose fibers or organic polymer fibers.
  • the abrasion-resistant particles are preferably selected from the group comprising aluminum oxides, corundum, boron carbides, silicon dioxides, silicon carbides and glass beads, with corundum and glass beads being particularly preferred.
  • At least one color pigment selected from a group comprising titanium dioxide, zinc oxides, iron oxide pigments or metallic effect pigments.
  • the variability and the design options are unlimited.
  • this at least one additive may be selected from a group comprising conductive substances, flame retardants, luminescent substances and metals.
  • carbon fibers and nanoparticles, in particular carbon nanotubes are named as conductive substances.
  • Typical flame retardants are selected from the group comprising phosphates, borates, in particular ammonium polyphosphate, tris (tri-bromneopentyl) phosphate, zinc borate or boric acid complexes of polyhydric alcohols.
  • fluorescent and phosphorescent substances particular attention is drawn to zinc sulfite and alkaline earth aluminates.
  • the layer structure of support plate, decor paper, and optionally further resin layers is then preferably pressed.
  • the pressing of the layer structure preferably takes place in a continuous press.
  • the pressing of the layer structure leads to the formation of a surface structure above the decoration, optionally in conformity with the decoration, in the form of a so-called "emboss in register".
  • At least one counter-pull is applied to the opposite side of the carrier plate not provided with the decorative paper.
  • the carrier plate of a wood material, plastic or a wood material-plastic mixture, in particular chip, medium density fiber (MDF), high density fiber (HDF) - coarse chip (OSB) or plywood plates are preferred, or a cement fiber board and / or gypsum fiber board can be used.
  • MDF medium density fiber
  • HDF high density fiber
  • OSB coarse chip
  • plywood plates are preferred, or a cement fiber board and / or gypsum fiber board can be used.
  • the coated by the present process plate is then transferred together with a Gegenzugpapier in a short-cycle press and cured the synthetic resins at high pressure and high temperature, wherein, as already mentioned above, in a variant, the application of a Schutzoverlays in the form of an overlay impregnate is possible. The latter can also be done to achieve increased wear resistance. This may be necessary in particular when using the floor coverings in highly stressed objects.
  • the material plates produced by the present method are preferably used as laminate panels.
  • the present method offers a number of advantages:
  • the partial impregnation or one-sided impregnation of the decorative paper leads to a lower capital commitment on this value chain.
  • the partially-impregnated paper is already pre-swollen so as to reduce length and width repeat problems typically encountered with the use of dry decorative paper.
  • the roll processing is significantly cheaper and the flexibility of production increases.
  • Another advantage of the present method is its high variability, which is based on the later use of the products.
  • a printing base paper (paper weight: 80 g / m 2 ) is unrolled by a unwinding device and printed by gravure and / or digital printing and then impregnated in the back with a melamine resin in an impregnator.
  • a melamine resin in an impregnator.
  • about 50 g of melamine resin / m 2 are applied with a solids content of about 50%.
  • the paper is then dried in a convection dryer or by NIR (near-infrared) to a moisture content of about 6% by weight.
  • the impregnate is then pressed in a continuous press on a melamine resin precoated plate (application rate: 50 g melamine resin / m 2 , solids content impregnating resin: 60 wt%).
  • the melamine resin contained on the plate contains the usual auxiliaries (hardener, wetting agent, defoamer, etc.) and has been pre-dried after application with a roller by convection or NIR.
  • a mixture of melamine resin (solids content impregnating resin: 60% by weight), cellulose and corundum in an amount of 50-80 g impregnating resin / m 2 - depending on the desired wear class - is then also applied to the decorative paper in the roll application.
  • the mixture is dried in a convection dryer or by near infrared.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • a decorative paper (paper weight: 80 g / m 2 ) is unrolled by a unwinding device and impregnated at the back in an impregnator with a urea resin. About 50 g of urea resin / m 2 are applied (solids content: 50% by weight).
  • the paper is then dried in a convection dryer or by NIR to a moisture content of about 6%.
  • the one-sided impregnated paper is pressed in a continuous press on a melamine resin precoated plate (application rate: 50 g melamine resin / m 2 , solids content: 60% by weight).
  • the melamine resin on the plate contains the usual auxiliaries (hardener, wetting agent, defoamer, etc.) and has been pre-dried after application with a roll by convection or NIR.
  • a mixture of melamine resin (solids content: 60% by weight), cellulose and corundum in an amount of 50-80 g impregnating resin / m 2 - depending on the desired wear class - is then also applied to the decor paper in the roll application.
  • the mixture is dried in a convection dryer or by near infrared.
  • the moisture of the coating is about 6% by weight after the drying process.
  • a completely resin-impregnated decor paper (resin application: 100% by weight) and a resin-impregnated overlay (paper weight: 30 g / m 2 , final weight: 150 g / m 2 ) is placed.
  • corundum was a wear-inhibiting agent.
  • a recycled paper (paper weight: 100 g / m 2 , resin application: 120% by weight) is used. The entire assembly is pressed in a KT press at 30 bar and 200 ° c.
  • a strand of HDF boards is continuously coated with an impregnating resin based on melamine in roll application. 100 g of melamine resin / m 2 are applied (solids content: 60% by weight).
  • the Tränkharzrezeptur contains the usual auxiliary materials such as hardener, wetting and release agent.
  • the impregnating resin is pre-dried after application with the help of a convection dryer or NIR to evaporate a part of the water.
  • the drying process need only be conducted to the point where the resin retains its stickiness or penetration into a paper.
  • a dry decorative paper (paper weight: 80 g / m 2 ) is unrolled by a rolling device and rolled into the still flowable resin. It is ensured by several on the top of successively arranged rollers that no wrinkles or ripples occur in the paper.
  • the paper is then pressed onto the melamine resin precoated plate in a continuous press.
  • a mixture of melamine resin (solids content impregnating resin: 60% by weight), cellulose and corundum in an amount of 50-80 g impregnating resin / m 2 - depending on the desired wear class - is then also applied to the decorative paper in the roll application.
  • the mixture is dried in a convection dryer or by near infrared. The moisture of the coating is about 6% by weight after the drying process.
  • Embodiments 1 and 2 made according to the method of the present invention using a partially impregnated decorative paper differ in the product of Embodiment 3 made using a fully impregnated decorative paper in that they are in terms of their storage time significantly better behavior.
  • a fully impregnated paper must be processed within a few months.
  • the partially impregnated papers can still be used after one year.
  • Embodiment 4 made with a dry decorative paper
  • a unilateral impregnation according to the invention in a impregnation channel is much easier to accomplish than the "pressing in” of glue into the backside of a paper, as in the case of the dry decorative paper. This is made difficult by the various parameters (density of the paper, pigment content, etc.). In addition, there is significantly more time available for the impregnation process compared to pressing, which makes the process less critical.

Landscapes

  • Laminated Bodies (AREA)
  • Paper (AREA)

Abstract

L'invention concerne un procédé servant à fabriquer un panneau de matériau constitué d'un panneau de support et d'un papier décoratif disposé sur le panneau de support. Ledit procédé comprend les étapes suivantes : a) préparation du panneau de support ; b) application d'au moins une couche d'au moins une résine d'imprégnation sur au moins une face du panneau de support ; c) préparation du papier décoratif ; d) application d'au moins une résine en tant qu'agent d'imprégnation sur la face du papier décoratif opposée au décor ; et e) pose du papier décoratif par sa face imprégnée opposée au décor sur la face du panneau de support pourvue de la résine d'imprégnation,.
EP13811849.2A 2012-12-12 2013-12-12 Procédé de fabrication d'une plaque comportant une couche de décor Active EP2931527B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP13811849.2A EP2931527B1 (fr) 2012-12-12 2013-12-12 Procédé de fabrication d'une plaque comportant une couche de décor
PL13811849T PL2931527T3 (pl) 2012-12-12 2013-12-12 Sposób produkcji płyty materiałowej wyposażonej w warstwę dekoracyjną

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12196717.8A EP2743094B1 (fr) 2012-12-12 2012-12-12 Procédé de fabrication d'une plaque comportant une couche de décor
PCT/EP2013/076366 WO2014090939A1 (fr) 2012-12-12 2013-12-12 Procédé de fabrication d'un panneau de matériau pourvu d'une couche décorative
EP13811849.2A EP2931527B1 (fr) 2012-12-12 2013-12-12 Procédé de fabrication d'une plaque comportant une couche de décor

Publications (2)

Publication Number Publication Date
EP2931527A1 true EP2931527A1 (fr) 2015-10-21
EP2931527B1 EP2931527B1 (fr) 2021-01-20

Family

ID=47559115

Family Applications (2)

Application Number Title Priority Date Filing Date
EP12196717.8A Active EP2743094B1 (fr) 2012-12-12 2012-12-12 Procédé de fabrication d'une plaque comportant une couche de décor
EP13811849.2A Active EP2931527B1 (fr) 2012-12-12 2013-12-12 Procédé de fabrication d'une plaque comportant une couche de décor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP12196717.8A Active EP2743094B1 (fr) 2012-12-12 2012-12-12 Procédé de fabrication d'une plaque comportant une couche de décor

Country Status (10)

Country Link
US (1) US9757974B2 (fr)
EP (2) EP2743094B1 (fr)
CN (1) CN104870203B (fr)
BR (1) BR112015012286A2 (fr)
CA (1) CA2893820C (fr)
ES (2) ES2543154T3 (fr)
PL (2) PL2743094T3 (fr)
RU (1) RU2612647C9 (fr)
UA (1) UA111565C2 (fr)
WO (1) WO2014090939A1 (fr)

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EP2960369A1 (fr) * 2014-06-24 2015-12-30 Flooring Technologies Ltd. Procédé de fabrication de laminé
DE102014011945A1 (de) * 2014-08-14 2016-02-18 Metall-Chemie Technologies Gmbh Haftbrücke für ein Laminat
PL236570B1 (pl) * 2014-10-16 2021-01-25 Schattdecor Spolka Z Ograniczona Odpowiedzialnoscia Sposób wytwarzania trójwymiarowych powierzchni strukturalnych zwłaszcza na płytach drewnopochodnych
PT3181372T (pt) * 2014-11-20 2021-03-31 Flooring Technologies Ltd Processo de acabamento de um painel de aglomerado de madeira
DE102015105039A1 (de) * 2015-04-01 2016-10-06 Fritz Egger Gmbh & Co. Og Imprägnieranlage und Verfahren zu deren Überwachung
ES2661738T3 (es) 2015-07-16 2018-04-03 Flooring Technologies Ltd. Procedimiento para la fabricación de un material laminado que se compone de tablero de soporte y papel decorativo
CN105415468B (zh) * 2015-11-23 2017-05-24 安徽福佳竹木日用品有限公司 一种防霉竹胶板的制备方法
EP3246175B1 (fr) 2016-05-20 2018-06-27 Flooring Technologies Ltd. Procédé de fabrication d'une plaque en matériau de type bois et ligne de production pour celle-ci
CN106393297B (zh) * 2016-11-01 2019-08-06 南京林业大学 耐磨聚氨酯浸渍装饰纸贴面无醛胶人造板的制造方法
UA125994C2 (uk) * 2017-03-21 2022-07-27 Флорінґ Індустріз Лімітед, Сарл Дошка та спосіб виготовлення дошки
EA201992222A1 (ru) 2017-09-28 2020-02-10 Юнилин, Бвба Плита и способ изготовления плиты
ES2837473T3 (es) * 2018-06-08 2021-06-30 Flooring Technologies Ltd Procedimiento para el acabado de un tablero de construcción
EP3686028B1 (fr) 2019-01-22 2021-02-17 Flooring Technologies Ltd. Procédé de fabrication d'une plaque résistante à l'abrasion en matériau dérivé du bois
DE102019203755A1 (de) * 2019-03-19 2020-09-24 Hymmen GmbH Maschinen- und Anlagenbau Vefahren zur Herstellung einer Werkstückoberfläche sowie Werkstückoberfläche, zum Beispiel für eine Möbeloberfläche
EP3822077B1 (fr) * 2019-11-12 2022-01-26 Flooring Technologies Ltd. Procédé de fabrication d'une plaque contreplaquée
CN113022075A (zh) * 2021-03-02 2021-06-25 广东好上好科技有限公司 用于a级防火板材的三聚氰铵片材装饰板及其制造方法

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Also Published As

Publication number Publication date
EP2743094B1 (fr) 2015-06-03
PL2931527T3 (pl) 2021-07-19
ES2856879T3 (es) 2021-09-28
UA111565C2 (uk) 2016-05-10
US9757974B2 (en) 2017-09-12
EP2743094A1 (fr) 2014-06-18
RU2015126253A (ru) 2017-01-18
RU2612647C2 (ru) 2017-03-13
US20150314639A1 (en) 2015-11-05
BR112015012286A2 (pt) 2017-07-11
PL2743094T3 (pl) 2016-01-29
CN104870203A (zh) 2015-08-26
RU2612647C9 (ru) 2017-06-22
ES2543154T3 (es) 2015-08-17
EP2931527B1 (fr) 2021-01-20
CA2893820A1 (fr) 2014-06-19
CA2893820C (fr) 2018-06-12
CN104870203B (zh) 2018-02-27
WO2014090939A1 (fr) 2014-06-19

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