EP2094456B1 - Panneau de fibres et son procédé de fabrication - Google Patents

Panneau de fibres et son procédé de fabrication Download PDF

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Publication number
EP2094456B1
EP2094456B1 EP07857475.3A EP07857475A EP2094456B1 EP 2094456 B1 EP2094456 B1 EP 2094456B1 EP 07857475 A EP07857475 A EP 07857475A EP 2094456 B1 EP2094456 B1 EP 2094456B1
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EP
European Patent Office
Prior art keywords
fibers
fiberboard
proportion
recycled material
plant
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
EP07857475.3A
Other languages
German (de)
English (en)
Other versions
EP2094456A1 (fr
Inventor
Gerold Schneider
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.)
Fritz Egger GmbH and Co OG
Original Assignee
Fritz Egger GmbH and Co OG
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 Fritz Egger GmbH and Co OG filed Critical Fritz Egger GmbH and Co OG
Priority to PL07857475T priority Critical patent/PL2094456T3/pl
Publication of EP2094456A1 publication Critical patent/EP2094456A1/fr
Application granted granted Critical
Publication of EP2094456B1 publication Critical patent/EP2094456B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/007—Manufacture of substantially flat articles, e.g. boards, from particles or fibres and at least partly composed of recycled material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/16—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of fibres, chips, vegetable stems, or the like

Definitions

  • the invention relates to a fiberboard, in particular based on cellulosic fibers.
  • MDF Medium Density Fiberboard
  • HDF boards High Density Fiberboard
  • HDF panels are increasingly needed because they increasingly substitute other products as panels for paneling walls, ceilings and floors.
  • fibreboards are increasingly in demand due to their excellent machinability and favorable coating properties.
  • the invention therefore has the technical problem of providing a method for producing a fiberboard, with which it is possible to provide a fiberboard in an economical manner, which meets the requirements usually made.
  • a fiberboard based on cellulosic fibers is produced, the cellulosic fibers of which consist of a proportion of fibers made from vegetable raw materials and at least one further fraction of fibers made available or recovered from waste materials.
  • the fibers are scattered in several layers to a nonwoven fabric, wherein in the different layers different proportions of a waste fibers and plant-derived fibers.
  • Cellulosic fibers from waste materials are contained in particular in paper, cardboard, paperboard or pulp. These old substances, which can be summarized under the name waste paper, today form the most important raw material for the paper industry itself.
  • waste paper In some cases very expensive wet process, the respectively required Cellulose fiber quality recovered from the waste, freed from impurities and added depending on the desired paper quality, in a certain proportion in papermaking.
  • cellulosic fibers in a purely mechanical way in a dry process.
  • Such fibers are also suitable for the process according to the invention since there are lower to no requirements with regard to any impurities.
  • dyes as compulsorily contained in waste paper have no disadvantageous properties for the plate according to the invention and its production.
  • the treatment of the cellulose-containing fibers, which are obtained from a waste by a multi-stage drying process. It has proved to be advantageous in this regard in a first stage with a hammer mill pressed into bales crushed waste paper, so that a pourable granules with a particle size of several millimeters to a few centimeters is formed.
  • This material is then readily observed in a subsequent step to eliminate large foreign matter.
  • the remaining portion is then ground into fibers using a mill or a refiner.
  • a proportion of cellulosic fibers from existing substances of 1% to 80%, preferably a proportion of 10% to 65%, particularly preferably a proportion of 20% to 50%, based respectively on the dry mass of the finished plate, proved suitable.
  • a modification of the cellulosic fibers is provided from a waste. This can be done in various ways and can also be provided for the achievement of a variety of objectives.
  • Suitable as flow aids are known from the prior art substances such as diatomaceous earth, fumed silicas, tricalcium phosphate, etc.
  • the modification of the cellulosic fibers provided from a waste can be carried out in the form of a hydrophobic treatment.
  • a hydrophobic treatment By hydrophobing the cellulosic fibers provided from a waste, the resistance of a panel to moisture can be substantially improved.
  • Addition of hydrophobizing agents in the production of MDF and HDF boards is well known, but it has surprisingly been found that addition of such substances to the pulp-derived cellulosic fibers is substantially more effective than simultaneous addition to the binder, such as in the production of conventional fiberboard is usually the case.
  • Another type of modification may be the separate sizing of the cellulosic fibers obtained from a waste and the cellulosic plant-based fibers. This makes it possible in a simple manner to add to the different fractions specially adapted binders and / or specially adapted binder amounts.
  • a further preferred embodiment is the possibility of utilizing the modification of the cellulosic fibers obtained from a waste material to achieve the addition of certain additives and / or auxiliaries in a particularly good distribution of these substances in the plate.
  • the generally relatively dry fibers are able to absorb larger amounts of said liquid substances, whereby an increase in the desired effects can be achieved.
  • additives and / or auxiliaries for example, substances for improving the electrical conductivity, dyes, emission scavengers or substances for flame and fire protection are meant.
  • the reaction partners provided for the crosslinking reaction of the binder such as a hardener or an accelerator, and the binder itself are added separately to the different proportions of fibers provided from a recycled material and of fibers provided on a vegetable basis.
  • the reactants can be added to the recovered fibers from a waste and the binder to the plant-derived fibers.
  • the binder is added to the recovered fibers from a waste and the reactants to the plant-derived fibers. This advantageously achieves that these components only come into intimate contact with each other during the course of pressing, whereby an early and thus ineffective crosslinking reaction of the binder is prevented.
  • the method described above can be carried out in a simple manner on plants for the production of fiberboard by the dry process. Only simple devices for providing the cellulosic fibers obtained from a waste material and optionally devices for modifying these fibers are required.
  • the addition of the cellulosic fibers from a waste to the cellulosic fibers on a vegetable basis can take place at various points in the production process.
  • wood chips from deciduous and / or softwood are shredded after their washing and a hydrothermal digestion in refiners.
  • These fibers produced in this way pass from there via the so-called blow-line, in which binders and auxiliaries and additives can be added, via a fiber dryer into a fiber bunker, from which the feed of a spreading station then takes place. This then forms a nonwoven, which deflected in a cycle press or as an infinite strand in one continuously working double belt press or a calender press is pressed.
  • the desired plate formats are deflected before or after the press.
  • auxiliaries and additives are understood, for example, hardeners and accelerators, water repellents or fire protection and fungicidal agents.
  • binder and auxiliaries and additives in the blow-line it is also possible to add these between the fiber dryer and the fiber bunker. According to the already dry state of the fibers one speaks then of a dry gluing.
  • the addition of binder and auxiliaries and additives in the region of the entry of the fibers into the dryer can take place. Since very high transport speeds and optionally also turbulent flow conditions are present, this ensures a very good mixing of the various fiber fractions.
  • the cellulosic fibers obtained from a waste material are already in a moisture range suitable for the pressing process, they can also be added after the fiber dryer, for example before the fiber bunker which is provided immediately before the scattering station.
  • a dry gluing device ie a device with which the fibers are glued only after they have been dried, is used for the gluing of the fibers, it is advantageously possible to add the cellulosic fibers provided from a recycled material in front of this dry gluing device.
  • the entirety of the fibers are provided with binder, whereby reduced equipment costs can be achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Architecture (AREA)
  • Manufacturing & Machinery (AREA)
  • Forests & Forestry (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Paper (AREA)

Claims (15)

  1. Procédé de fabrication d'un panneau de fibres,
    - dans lequel des fibres contenant de la cellulose sont fournies à partir d'un matériau végétal,
    - dans lequel des fibres contenant de la cellulose sont fournies à partir d'un matériau recyclé,
    - dans lequel un liant est ajouté,
    - dans lequel un non-tissé fibreux est formé et
    - dans lequel un non-tissé fibreux est comprimé en un panneau,
    caractérisé en ce que
    - les fibres sont répandues en plusieurs couches en un non-tissé et
    - dans les différentes couches, différentes teneurs de fibres fournies à partir d'un matériau recyclé et fibres fournies à partir d'un matériau végétal sont ajoutées,
    - dans lequel la teneur en fibres fournies à partir d'un matériau recyclé dans la couche centrale du plateau est plus élevée que dans la couche de couverture.
  2. Procédé selon la revendication 1,
    dans lequel les fibres sont fournies à partir d'un matériau recyclé sélectionné dans le groupe du papier, du carton, du carton mince et de la cellulose.
  3. Procédé selon la revendication 1 ou 2,
    dans lequel les fibres fournies à partir d'un matériau recyclé sont extraites au cours d'un procédé sec, en particulier en plusieurs étapes.
  4. Procédé selon l'une des revendications 1 à 3,
    dans lequel les fibres fournies à partir d'un matériau recyclé sont ajoutées avec une teneur de 1 % à 80 %, de préférence une teneur de 10 % à 65 %, particulièrement de préférence une teneur de 20 % à 50 %, rapporté respectivement à la masse sèche du panneau fabriqué.
  5. Procédé selon l'une des revendications 1 à 4,
    dans lequel les fibres fournies à partir d'un matériau recyclé sont modifiées dans une étape séparée.
  6. Procédé selon l'une des revendications 1 à 5,
    dans lequel un liant à base de résine urée-formaldéhyde ou de résine urée-mélamine ou de résine phénol-formaldéhyde ou de résine tanin-formaldéhyde ou de diisocyanate ou à base de mélange de ceux-ci est employé.
  7. Procédé selon l'une des revendications 1 à 6,
    dans lequel l'ajout du liant aux fibres fournies à partir d'un matériau recyclé est effectué séparément de l'ajout du liant aux fibres fournies à base d'un matériau végétal, dans lequel en particulier une composante de liant est ajoutée aux fibres fournies à partir d'un matériau recyclé et une autre composante de liant est ajoutée aux fibres fournies à partir d'un matériau végétal.
  8. Procédé selon la revendication 6,
    dans lequel le liant est ajouté aux fibres fournies à partir d'un matériau recyclé et aux fibres fournies à partir d'un matériau végétal conjointement dans un dispositif pour l'encollage à sec.
  9. Panneau de fibres à base de fibres contenant de la cellulose,
    - dans lequel les fibres contenant de la cellulose sont composées d'une teneur en fibres fournies à partir d'un matériau végétal, et
    - dans lequel les fibres contenant de la cellulose sont composées d'une teneur en fibres fournies à partir d'un matériau recyclé,
    caractérisé en ce
    - qu'un montage multicouches est prévu et
    - que les différentes couches contiennent différentes teneurs de fibres fournies à partir d'un matériau recyclé et de fibres fournies à partir d'un matériau végétal, et
    - que la teneur en fibres fournies à partir d'un matériau recyclé dans la couche centrale du plateau est plus élevée que dans la couche de couverture.
  10. Panneau de fibres selon la revendication 9,
    caractérisé en ce que
    les fibres fournies à partir d'un matériau recyclé sont fournies à partir d'un matériau recyclé sélectionné dans le groupe du papier, du carton, du carton mince et de la cellulose.
  11. Panneau de fibres selon la revendication 9 ou 10,
    caractérisé en ce que
    les fibres fournies à partir d'un matériau recyclé ont une teneur de 1 % à 80 %, de préférence une teneur de 10 % à 65 %, particulièrement de préférence une teneur de 20 % à 50 %, rapporté respectivement à la masse sèche du panneau fabriqué.
  12. Panneau de fibres selon l'une des revendications 9 à 11,
    caractérisé en ce que
    les fibres extraites d'un matériau recyclé sont modifiées.
  13. Panneau de fibres selon l'une des revendications 9 à 12,
    caractérisé en ce que
    les fibres fournies à partir d'un matériau recyclé sont modifiées par ajout d'un additif, qui est en particulier un additif conducteur et/ou un agent agissant comme ignifuge et fongicide.
  14. Panneau de fibres selon la revendication 13,
    caractérisé en ce que
    le panneau de fibres présente un agent d'hydrophobisation.
  15. Panneau de fibres selon la revendication 13 ou 14,
    caractérisé en ce que
    le panneau de fibres présente un colorant.
EP07857475.3A 2006-12-22 2007-12-12 Panneau de fibres et son procédé de fabrication Active EP2094456B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07857475T PL2094456T3 (pl) 2006-12-22 2007-12-12 Płyta pilśniowa i sposób jej wytwarzania

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006062285A DE102006062285B4 (de) 2006-12-22 2006-12-22 Faserplatte und Verfahren zu deren Herstellung
PCT/EP2007/063812 WO2008077793A1 (fr) 2006-12-22 2007-12-12 Panneau de fibres et son procédé de fabrication

Publications (2)

Publication Number Publication Date
EP2094456A1 EP2094456A1 (fr) 2009-09-02
EP2094456B1 true EP2094456B1 (fr) 2016-10-26

Family

ID=39146840

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07857475.3A Active EP2094456B1 (fr) 2006-12-22 2007-12-12 Panneau de fibres et son procédé de fabrication

Country Status (6)

Country Link
EP (1) EP2094456B1 (fr)
DE (1) DE102006062285B4 (fr)
ES (1) ES2605155T3 (fr)
HU (1) HUE030748T2 (fr)
PL (1) PL2094456T3 (fr)
WO (1) WO2008077793A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1019736A3 (fr) * 2010-04-09 2012-12-04 Unilin Bvba
DE102011052301A1 (de) * 2011-07-29 2013-01-31 Topalit GmbH Formteil und Verfahren zu dessen Herstellung
CN104191472B (zh) * 2014-08-28 2016-04-27 潘建朋 一种减少有害气体的人造板
WO2019117799A1 (fr) * 2017-12-15 2019-06-20 Nsr Ab Panneau de particules avec résine hybride
IT201900014682A1 (it) 2019-08-12 2021-02-12 Fantoni Arredamenti Spa Pannello in fibra di legno e relativo impianto e metodo di realizzazione

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2117872C3 (de) 1971-04-13 1979-07-19 Kataflox S.A., Genf (Schweiz) Verfahren zur Wiederverwendung von aus Abwasserschlämmen gewonnenen Fasern
DE2811833B2 (de) * 1978-03-17 1980-04-17 Bison-Werke Baehre & Greten Gmbh & Co Kg, 3257 Springe Überwiegend aus Fasermaterial und mindestens einem Bindemittel bestehende Platte sowie Verfahren zu deren Herstellung
DE2845117C2 (de) * 1978-10-17 1985-03-07 Casimir Kast Gmbh & Co Kg, 7562 Gernsbach Verfahren und Anlage zur Herstellung von zu Formteilen verpreßbarem Plattenmaterial
DE4020969C1 (en) * 1989-10-05 1991-07-18 Mayer, Frank, Prof. Dr., 3400 Goettingen, De Moulding with improved mechanical properties and density - comprises mixt. of wood or cellulose material shavings and potato pulp, waste paper and binder
DE4124355A1 (de) * 1991-07-23 1993-01-28 Rolf Schlotterhausen Verfahren zum wiederverwerten von abfaellen aus harzgetraenktem papier u. dgl.
DE4342678A1 (de) * 1993-12-15 1995-06-22 Karl Schedlbauer Strang- oder strangrohrgepreßte Formteile, insbesondere Platten
FR2737141A1 (fr) * 1995-07-24 1997-01-31 Carle Alain Agglomeres destines au recyclage des dechets ligneux, des papiers et cartons de recuperation des excedents d'amidon, de resines ou de gommes organiques et toutes substances a combustion non polluante
DE29603564U1 (de) * 1996-02-27 1996-07-25 Vollmer, Sven, 83024 Rosenheim Verbundwerkstoff
SE513336C2 (sv) * 1998-10-14 2000-08-28 Tetra Laval Holdings & Finance Fiberskiva av MDF-typ, sätt att framställa densamma, samt användning av återvunna cellulosafibrer för tillverkning av sådana fiberskivor
DE10006982A1 (de) * 2000-02-16 2001-08-23 Gert H Weihe Werkstoff und Verfahren zu dessen Herstellung

Also Published As

Publication number Publication date
ES2605155T3 (es) 2017-03-13
WO2008077793A1 (fr) 2008-07-03
PL2094456T3 (pl) 2017-05-31
DE102006062285A1 (de) 2008-06-26
EP2094456A1 (fr) 2009-09-02
DE102006062285B4 (de) 2009-05-28
HUE030748T2 (hu) 2017-05-29

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