EP2918747B1 - Paneel mit mittels Superabsorber versiegelter Fase und Herstellungsverfahren - Google Patents

Paneel mit mittels Superabsorber versiegelter Fase und Herstellungsverfahren Download PDF

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Publication number
EP2918747B1
EP2918747B1 EP14159660.1A EP14159660A EP2918747B1 EP 2918747 B1 EP2918747 B1 EP 2918747B1 EP 14159660 A EP14159660 A EP 14159660A EP 2918747 B1 EP2918747 B1 EP 2918747B1
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EP
European Patent Office
Prior art keywords
panel
chamfer
sealing material
upper side
panels
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP14159660.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2918747A1 (de
Inventor
Norbert Kalwa
Martin Prager
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 ES14159660T priority Critical patent/ES2709726T3/es
Priority to PT14159660T priority patent/PT2918747T/pt
Priority to PL14159660T priority patent/PL2918747T3/pl
Priority to EP14159660.1A priority patent/EP2918747B1/de
Publication of EP2918747A1 publication Critical patent/EP2918747A1/de
Application granted granted Critical
Publication of EP2918747B1 publication Critical patent/EP2918747B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/107—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials composed of several layers, e.g. sandwich panels
    • 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
    • E04F15/02005—Construction of joints, e.g. dividing strips
    • E04F15/02016—Construction of joints, e.g. dividing strips with sealing elements between flooring elements
    • 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
    • E04F15/02005—Construction of joints, e.g. dividing strips
    • E04F15/02033—Joints with beveled or recessed upper edges
    • 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
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/102—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials of fibrous or chipped materials, e.g. bonded with synthetic resins

Definitions

  • the invention relates to a panel, in particular for a flat installation, which has a top provided with a decor and an opposite bottom, wherein the panel has an introduced into the top chamfer or groove, and a method for producing such a panel.
  • the panel has a carrier substrate, on the upper side of which a decoration forming a decorative structure is applied. This forms a decorative side of the panel.
  • a wood-based support substrate such as a high-density fiberboard, a decorative layer and a melamine resin layer are laminated. Therefore, such panels are also referred to as laminate panels and floors made with such panels as laminate floors.
  • Another design option in the production of panels is to provide them with chamfers or edges. These can produce interesting decorative effects through targeted color variation in combination with the decors.
  • Chamfering of the panel leads to a "damage" on the decorative side of the panel or the panel body.
  • the top with the decor of the panel or panel body is referred to as a decorative side.
  • the decor structure on the carrier substrate is made to have a high resistance to environmental influences such as water and moisture. For example, through a typically used melamine resin surface, moisture may penetrate into it underneath carrier substrate are well prevented. By chamfering, however, this seal, for example, formed by the melamine resin is damaged, so that penetration of water and moisture into the substrate is facilitated.
  • sealing materials based on acrylate-containing water-based paints are used.
  • a disadvantage of these sealing materials is that these prior art chamfering sealing materials, when exposed to water for a prolonged period of time, can be at least partially dissolved so that water and moisture penetrate into the underlying substrate backing material.
  • the problem of swelling of the substrate support material can be reduced by using so-called swollen materials as substrate support materials having less or no tendency to swell upon exposure to water or moisture, the problem of mold growth is not diminished.
  • Such hot melt adhesives are suitable for securing the longitudinal water-tightness of modern cable constructions, in the construction industry as water-swelling jointing compounds in the field of building protection or building renovation. Furthermore, such hot melt adhesives are suitable for the production of absorbent textile materials in the hygiene sector.
  • the WO 2008 / 078181A1 describes a floor panel and its manufacture. It is provided here that a seal has a water-repellent, hydrophobic substance.
  • One embodiment describes the use of a cured hot melt adhesive.
  • the DE 102 50 695 A1 describes a bottom element in which a bead of a superabsorbent swellable material is introduced into a groove along the edge of the panel below the wear layer to prevent ingress of moisture and thus swelling of the backing layer.
  • a use of strongly crosslinking materials as a sealing material for the surfaces of the chamfers has proven to be problematic in terms of process engineering, since components of the highly crosslinking sealing material both reached the non-chamfered surfaces of the decorative side in the case of an application with a nozzle and with a roller and not there could be removed again.
  • the invention is therefore based on the technical object of providing panels and a method for their production, which are better protected against ingress of water and moisture at their chamfers or in the area of incorporated in the decorative side grooves, wherein a production on conventional production lines for designed as a laminate panels should be possible.
  • the invention is based on the idea to add to the bevel-sealing material for the surface of the chamfer or the surface of a groove formed in the decorative side, a superabsorbent material, which is characterized in that it can absorb a multiple of its own weight of polar liquids. This means that even small amounts of this superabsorbent material are able to absorb much larger amounts of a polar liquid, in particular water or an aqueous solution.
  • a source effect of the superabsorbent material usually occurs in addition.
  • a matrix in which the superabsorbent material is incorporated also swells and seals the chamfer and possibly also a fine joint between profiles, provided that the joint is formed on a chamfered edge of the panel.
  • the invention includes the idea of such a chamfering sealing material with a superabsorbent Material also in the area of the faces or on profile elements on faces at least part of the surface applied to seal the joints resulting from the laying over the swelling effect, the joints at an entry of water or moisture.
  • Superabsorbent material includes so-called superabsorbents, which cause the property of the superabsorbent material.
  • a panel for a surface installation with a top provided with a decoration and an opposite bottom side wherein the panel has a carrier substrate, on the substrate top side of which a decoration forming the decor is applied, wherein the panel has a chamfer on the top, wherein it is provided that a surface of the chamfer is coated with a chamfering sealing material comprising a superabsorbent material capable of absorbing a multiple of its own weight of polar liquids.
  • the decor structure can be designed differently.
  • a decorative layer with one or more resin layers, for example a melamine resin is laminated onto a carrier substrate.
  • the decor itself can be plain, multi-colored, colorful or patterned.
  • the decor may represent a photographic reproduction of a captured photograph or any computer-generated image or a faux of a natural material or the like.
  • the decorative structure can also consist of one or more enamel layers, in particular clearcoat layers, which are applied to an untreated or surface-treated carrier substrate.
  • the carrier substrate may consist of different materials. Preferably, wood-based materials are used for this, for example medium-density fiberboard or high-density fiberboard. However, other materials, such as wood / plastic composites, or materials that show little tendency to swell may also be used. However, the invention is particularly suitable for those carrier substrate materials which show a swelling tendency when exposed to liquids, in particular water or aqueous solutions.
  • mineral carrier substrates in particular in the form of gypsum-based or cement-based plates.
  • the material thicknesses of the plates are preferably in the thickness range between 3 mm to 30 mm.
  • ceramic plates can be used.
  • primer it is advantageous to use primer to improve adhesion of a decorative structure. These may be based, inter alia, on isocyanate prepolymers.
  • the liquid most commonly contacted by a panel which is, for example, a floor panel, is water.
  • a method for producing a panel in particular for a surface installation, wherein the panel has a panel body whose upper side is provided with a decoration, comprising the steps of: producing the panel body by applying a decorative structure to a substrate top side of a carrier substrate forming a top of the panel and defining the decor of the top of the panel, inserting a chamfer or groove in the top of the panel, sealing a surface of the chamfer or groove with a chamfering sealing material, wherein it is provided that the chamfering sealing material a superabsorbent material capable of absorbing many times its own weight of polar liquids.
  • a panel can thus be readily manufactured in a conventional manufacturing process, wherein the step of sealing the chamfer is modified by employing a suitable chamfering sealing material comprising a superabsorbent material. It is understood that the individual process steps can be carried out in different stages. For example, the method according to the invention can also be carried out on an already produced panel body, which is already finished with a decoration. The method step of producing the panel body can thus be replaced by the method step of providing a panel body with a decorative layer. The chamfered panel body coated with the chamfering sealing material containing a superabsorbent material forms the finished panel.
  • the formation of the chamfer takes place in panels which have a profile on the end faces, usually after forming the profile, which is formed for example in a milling process.
  • Panels of the type described herein can not only serve as a floor covering, but can also be used as countertops in kitchens and the like.
  • the problem of sealing grooves or joints in areas that consist of several with one Decor structure provided panels are created there in the same way and is solved by the panels described here.
  • the panels can be designed and suitable both for indoor use, but also for outdoor use.
  • the chamfer-sealing material as so-called hot-melt adhesive or hotmelt.
  • hot-melt adhesive or hotmelt contains preferably in addition to a binder and color pigments which co-impress the visual impression of the surface of the chamfer.
  • the hot melt or hot melt adhesive additionally contains the superabsorbent material which has the high tendency to absorb water and exhibits swelling associated therewith.
  • An advantage of using a hot melt is further that it can be applied specifically to the surface of the chamfer. As a rule, however, application of the hotmelt to the surface of the chamfer is possible in such a way that no constituents of the hotmelt chamfering sealing material reach the remaining surface of the upper side of the panel.
  • a hot-melt formed bevel sealing material this is preferably applied at a temperature in the range between 80 ° C and 120 ° C. In this temperature range, application of the hot-melt bevel-sealing material is easily possible and easy to apply.
  • a suitable application rate is 20 g / m 2 ⁇ 10 g / m 2 of the hotmelt.
  • Suitable superabsorbents ie, superabsorbent materials, include, for example, sodium polyacrylates, phosphorylated, carbamidated starches, and carboxymethyl starch and carboxymethylguaran. At least the starch derivatives also have the advantage that they are biodegradable. Thus, there are no disposal problems when using these agents.
  • the panels have at end surfaces between the top and the bottom profile elements, which are provided in the laying for a guide and / or locking, wherein the surfaces of the profile elements at least partially with the bevel sealing material as at the surface of the chamfer sealed or a similar sealing material, which also comprises a superabsorbent material.
  • Advantage of these embodiments is that in a gap between the panels penetrating water, which is not closed by the chamfered on the chamfering beveled material due to the swelling, is absorbed within the joint and the corresponding surfaces of the profile elements against ingress of moisture in the Area of joints sealed and sealed. This prevents not only penetration of water from the top into the panels but also to the bottom. The occurrence of mildew under a floor covering is prevented.
  • compressed air can be blown out through nozzles and a temperature reduction of up to 55 ° C can be achieved.
  • a fluid flow generated by means of a plurality of nozzles, in particular Vortec nozzles, of 400 l / min is used.
  • a compressed air expansion causes a simple way of cooling the fluid flow, which is preferably at least 30 ° C.
  • the cooling is greater, for example, is around 55 ° C.
  • the chamfering sealing material may also be colored. This allows any joint colors to be realized.
  • Fig. 1 is a sectional view schematically represented by two similar panels 10 of a floor covering 1, which are joined together.
  • Fig. 3 is a schematic isometric partial sectional view of two nested panels analogous to Fig. 1 shown schematically.
  • the same technical features are provided in all figures with the same reference numerals.
  • the panels 10 each have an upper side 11. Opposite the upper side 11, the panels 10 with undersides 13 are generally laid floating on a floor or a footfall sound insulation layer applied thereto (both not shown), as a rule.
  • the profile elements 17 are in this case formed as a spring 40 on the end faces 15.
  • the profile elements 18 are formed as a groove 30.
  • the profiles of the profile elements 17, 18 and groove 30 and spring 40 are formed so that the profile element 17, the spring 40, in the profile element 18, the groove 30, engages.
  • the groove 30 and the spring 40 are formed in terms of their profiling so that in the installed state, the in Fig.
  • a planar lateral extent of the top 11 and the bottom 13 is substantially greater than a material thickness 14 of the panel, which corresponds to the extension of the end faces 15, 16 in a spatial direction perpendicular to the top 11 and the bottom 13.
  • the panel 10 essentially consists of a carrier substrate 100.
  • the carrier substrate 100 may, for example, be a high-density fiberboard (HDF plate) or a plate of another wood-based material, wood / plastic material or the like.
  • a decorative structure 110 is applied to the carrier substrate 100, which defines the decor of the panel 10 at its upper side 11. This is in Fig. 2 good to recognize the an enlarged section of the joint of the panels 10 from Fig. 1 shows.
  • the upper side 11, on which the decorative structure 110 is arranged, is also referred to as the decorative side.
  • the decorative structure 110 may be configured differently.
  • a decorative layer (not shown), which carries the graphic décor, is laminated to the carrier substrate 100 with one or more sealing layers, which are also referred to as an overlay or overlayer.
  • a common sealing layer of the decorative structure 110 consists of a melamine resin.
  • Panels 10, in which the decorative structure 110 is applied to a carrier substrate, are generally referred to as laminate panels, and floor coverings produced therewith are referred to as laminate floors.
  • the decorative construction 110 In principle, other configurations of the decorative construction 110 are also possible, for example one or more printing layers and paint layers can be used.
  • the illustrated panels 10 each have at edges 21, 22 of the top 11 of the panel 10 chamfers or chamfers 61, 62.
  • these chamfers 61, 62 are formed, the surface of the substrate top side 101 protected beforehand by the decorative structure 110 is removed, so that the material of the carrier substrate 100 is not protected against environmental influences at these locations.
  • the surfaces 63, 64 of the chamfers 61, 62 are coated with a chamfering sealing material 200.
  • the end faces 15, 16 of the panels 10 are joined together.
  • the substrate carrier 100 as well as the decorative structure 110 applied thereon are clearly visible.
  • this decorative structure does not protect the carrier substrates 100. Therefore, on the surfaces 63, 64 of the chamfers 61, 62, the chamfering sealing material 200 is applied, which is preferably applied as a hot melt or hot melt adhesive.
  • the chamfering sealing material 200 is generally configured to include color pigments that determine an optical appearance of the chamfers 61, 62 adapted to a desired décor.
  • the chamfering sealing material 200 contains binders and other additives, and in particular at least one superabsorbent material.
  • a superabsorbent material is considered a material capable of absorbing a polar liquid, wherein the weight or mass of the absorbed polar liquid is a multiple of the superabsorbent's own weight or a multiple of the mass of the superabsorbent material.
  • this superabsorbent material which is also referred to as a superabsorbent, comes into contact with a polar liquid, in particular water or an aqueous solution, the superabsorbent material absorbs the liquid. This results in swelling of the superabsorbent material or chamfering material 200 in which the superabsorbent material is contained.
  • This swelling has two beneficial effects. On the one hand, it is achieved that areas of the surfaces 63, 64 of the chamfers 61, 62 which are not completely wetted during manufacture may be covered by the chamfering sealing material 200. On the other hand, by swelling the chamfering sealing material 200, it can be achieved that the inevitable small gap 70 between the panels 10 is also sealed by the swelling chamfering sealing material 200 on the chamfers 61, 62.
  • Typical gap gaps 74 are in the range between 0.05 mm and 0.2 mm.
  • a so-called V-groove 70 is formed on the basis of the chamfers 61, 62.
  • a so-called V-groove 70 is formed on the basis of the chamfers 61, 62.
  • a joint 70 preferably water collects, both due to the use of the superabsorbent material or superabsorbers in the chamfering sealing material 200 of the surfaces 63, 64 of the chamfers 61, when the floor is entered with wet or damp shoes or wet or damp cleaning of the floor covering 1 62, due to the water absorption in the superabsorbent material and the associated swelling of the chamfering sealing material 200, both the penetration of moisture and water into the substrate carriers 100 of the panels 10 is prevented, as well as the penetration of water or moisture in the region of the gap 70 the panels 10 prevented.
  • the chamfering sealing material 200 is applied in the heated state in which it has a low viscosity and very good wetting properties.
  • the chamfering sealing material becomes 200 immediately after application to the surfaces 63, 64, the chamfers 61, 62 with a cold fluid stream, such as a cold air stream, cooled and so fixed on the surfaces 63, 64 of the chamfers 61, 62.
  • a cold fluid stream such as a cold air stream
  • 3 mm wide chamfers have been milled in laminate panels with a panel thickness of 12 mm in total, the tops 63, 64, opposite the top of the panel 11 have an angle of 45 °.
  • a hotmelt (HYDROLOCK NW 1120 B, from HB Fuller Europe GmbH, Zurich, as chamfering sealing material 200 was applied to the surfaces 63, 64 of the chamfers 61, 62. This hotmelt was applied to the surfaces 63 at a temperature of 100 ° C. 64 of the chamfers 61, 62.
  • the application can with a spray unit or alternatively with an applicator roll.
  • the application amount was 20 g ⁇ 10 g / m 2 .
  • the hotmelt was cooled by a stream of cold air from several Vortec nozzles. These generate an air flow with an air flow of about 400 l / min and cause the air to cool down by up to 55 ° C.
  • the panels shown in the example shown are each the same size. However, it is also possible to join panels together to form a floor covering whose lateral dimensions differ from one another on the top and / or bottom side, as long as the profile elements have matched dimensions on the front sides.
  • V-groove or V-groove and associated chamfers are shown.
  • Other embodiments may have other bevel and groove shapes, such as an L-joint.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)
EP14159660.1A 2014-03-13 2014-03-13 Paneel mit mittels Superabsorber versiegelter Fase und Herstellungsverfahren Active EP2918747B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES14159660T ES2709726T3 (es) 2014-03-13 2014-03-13 Panel con un chaflan sellado mediante un superabsorbente y su método de fabricación
PT14159660T PT2918747T (pt) 2014-03-13 2014-03-13 Painel com chanfro selado por meio de superabsorvente e processo de preparação
PL14159660T PL2918747T3 (pl) 2014-03-13 2014-03-13 Panel ze sfazowaniem utrwalonym za pomocą superabsorbentu oraz sposób wytwarzania panelu
EP14159660.1A EP2918747B1 (de) 2014-03-13 2014-03-13 Paneel mit mittels Superabsorber versiegelter Fase und Herstellungsverfahren

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14159660.1A EP2918747B1 (de) 2014-03-13 2014-03-13 Paneel mit mittels Superabsorber versiegelter Fase und Herstellungsverfahren

Publications (2)

Publication Number Publication Date
EP2918747A1 EP2918747A1 (de) 2015-09-16
EP2918747B1 true EP2918747B1 (de) 2018-12-05

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Application Number Title Priority Date Filing Date
EP14159660.1A Active EP2918747B1 (de) 2014-03-13 2014-03-13 Paneel mit mittels Superabsorber versiegelter Fase und Herstellungsverfahren

Country Status (4)

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EP (1) EP2918747B1 (pl)
ES (1) ES2709726T3 (pl)
PL (1) PL2918747T3 (pl)
PT (1) PT2918747T (pl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2021100B1 (en) * 2018-06-11 2019-12-16 Champion Link Int Corp Panel suitable for constructing a waterproof floor or wall covering, method for producing a panel
NL2026581B1 (en) * 2020-09-30 2022-06-01 I4F Licensing Nv Panel, covering, and method for manufacturing such a panel

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10250695A1 (de) * 2002-10-31 2004-05-13 Nordson Corp., Westlake Abdichtung von Laminat oder Parkett

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19859728A1 (de) * 1998-12-23 2000-06-29 Henkel Kgaa Wasserquellbarer Schmelzklebstoff
DE102005058971A1 (de) * 2005-12-09 2007-06-14 Witex Ag Fugenmaterial für Bodenbeläge
WO2008078181A1 (en) * 2006-12-22 2008-07-03 Flooring Industries Limited, Sarl Floor panel with a moisture sealed edge region and method for manufacturing the floor panels

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10250695A1 (de) * 2002-10-31 2004-05-13 Nordson Corp., Westlake Abdichtung von Laminat oder Parkett

Also Published As

Publication number Publication date
PL2918747T3 (pl) 2019-06-28
EP2918747A1 (de) 2015-09-16
PT2918747T (pt) 2019-03-19
ES2709726T3 (es) 2019-04-17

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