EP1674633A2 - Plaque en fibres de bois isolant ou matte - Google Patents

Plaque en fibres de bois isolant ou matte Download PDF

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Publication number
EP1674633A2
EP1674633A2 EP20050090342 EP05090342A EP1674633A2 EP 1674633 A2 EP1674633 A2 EP 1674633A2 EP 20050090342 EP20050090342 EP 20050090342 EP 05090342 A EP05090342 A EP 05090342A EP 1674633 A2 EP1674633 A2 EP 1674633A2
Authority
EP
European Patent Office
Prior art keywords
mat
thickness
fibers
wood fiber
wood
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
EP20050090342
Other languages
German (de)
English (en)
Other versions
EP1674633B1 (fr
EP1674633A3 (fr
Inventor
Cevin Marc Pohlmann
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 PL05090342T priority Critical patent/PL1674633T3/pl
Publication of EP1674633A2 publication Critical patent/EP1674633A2/fr
Publication of EP1674633A3 publication Critical patent/EP1674633A3/fr
Application granted granted Critical
Publication of EP1674633B1 publication Critical patent/EP1674633B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
    • Y10T428/249925—Fiber-containing wood product [e.g., hardboard, lumber, or wood board, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
    • Y10T428/249933—Fiber embedded in or on the surface of a natural or synthetic rubber matrix
    • Y10T428/249938—Composite or conjugate fiber [e.g., fiber contains more than one chemically different material in monofilament or multifilament form, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
    • Y10T428/24994—Fiber embedded in or on the surface of a polymeric matrix
    • Y10T428/249942—Fibers are aligned substantially parallel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/253—Cellulosic [e.g., wood, paper, cork, rayon, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/254—Polymeric or resinous material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/27—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2904—Staple length fiber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2904—Staple length fiber
    • Y10T428/2905—Plural and with bonded intersections only
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/608—Including strand or fiber material which is of specific structural definition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/69—Autogenously bonded nonwoven fabric
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/695—Including a wood containing layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/697—Containing at least two chemically different strand or fiber materials
    • Y10T442/698—Containing polymeric and natural strand or fiber materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/699—Including particulate material other than strand or fiber material

Definitions

  • the invention relates to wood fiber insulation panels or mats with improved properties.
  • the resulting wood fiber insulation panels are characterized by a layered construction, since the fibers are aligned when scattering on the screen belt more or less aligned in one direction, as is generally known from the manufacturing process of MDF boards.
  • Such plates which are used for the insulation or for panel production, have a low transverse tensile strength.
  • the individual layers can be easily separated from each other with insulation boards.
  • the invention has for its object to provide single-ply Holzfaserdämmstoffplatten or mats with a large thickness range with good transverse tensile strength and compressive rigidity and a large density range.
  • the wood fiber insulation boards or mats according to the invention show a spatial orientation of the wood fibers and the binding fibers and have layer thicknesses of 3 to 350 mm at densities of 20 to 300 kg / m 3 .
  • preferably devices are used, as they are known for the production of nonwovens by the nonwoven method and developed by the company DOA in A-4600 Wels.
  • the wood fibers are used with a moisture content of 7 to 16%, in particular 12 to 14%.
  • wood fibers which are obtained in a refiner made of wood pulped, they are previously mixed in a conventional manner with flame retardants and / or water repellents in amounts of 8 to 30%, in particular 10 to 20% and dried to the desired moisture content while removing dust and fibers of small lengths or diameters.
  • wood fibers In addition to the wood fibers, other natural fibers, such as hemp, flax, sisal, can be used in addition to the wood fibers in order to achieve certain desired properties in the wood fiber insulation panels or mats according to the invention.
  • other natural fibers such as hemp, flax, sisal
  • the individual components are weighed by separate weighing devices and entered via a blow pipe in the reservoir.
  • the wood fibers are used to bind fibers in mixing ratios of 95 to 80 to 5 to 20% and preferably of 90 to 10%. In these material mixtures up to 30% of the wood fibers can be replaced by other natural fibers.
  • the amount of supplied fiber mixture on a first conveyor belt depends on the desired layer thickness and bulk density of the produced wood fiber insulation board or mat, the bulk densities are between 20 to 300 kg / m 3 .
  • the orientation of the fibers is three-dimensional.
  • plastic granules such as those used in the recycling of plastic articles from the dual system, are very suitable for this purpose.
  • granules can be used, which consist of a thermally resistant core and a sheath of synthetic resins, which soften at the temperatures used in the heating zone.
  • the plastic granules can be added in amounts of 5 to 45%, especially in amounts of 10 to 40% and in particular in amounts of 22 to 37%, based on the particular fiber mixture used.
  • the fleece is fiberized at the end of the first conveyor belt. The resulting mixture is applied to a second conveyor belt with three-dimensional orientation of the fibers in the desired layer thickness.
  • the layer thickness of the mat can be between 3 to 400 mm.
  • the mats thus obtained are transferred to an endless oven belt and passed through the heating / cooling furnace. It is softened by the temperatures prevailing in the furnace, the binder fiber and the resin granules and thus activated.
  • the temperatures in the heating zone are 130 to 200 ° C and especially 160 to 185 ° C. Both the binding fibers and the resin granules provide an intimate connection with the wood fibers and possibly laid fabric webs or films.
  • a calibration zone adjoins the heating zone, in which the mats are uniform in thickness and, if desired, compressed to the final thickness of the wood fiber insulation panels or mats according to the invention.
  • the resulting mats are compressed to thicknesses of 3 to 350 mm, in particular 4 to 250 mm.
  • the resulting mats are fed to the oven belt of a cooling zone and then the final processing is carried out to the desired invention Holzfaserdämmstoffplatten or mats.
  • the mat is trimmed at the edges and then split longitudinally and / or transversely.
  • wood fiber insulation boards or mats are produced, which are characterized by the wide range of plate thickness of 3 to 350 mm, in particular 4 to 250 mm at densities of 20 to 300 kg / m 3 and also show improved compressive stiffness in addition to an improved transverse tensile strength.
  • the wood fiber insulation panels or mats according to the invention are as acoustic insulation panels, as impact sound insulation mats for laminate or parquet floors, as penetration-resistant insulation board, as thermal insulation composite board, as mecanicsparrendämmung u.ä. used.
  • fabrics u.ä. from inorganic, organic or natural fibers, or films that may be structured, perforated, dyed the range of applications of wood fiber insulation panels or mats according to the invention is further increased.
  • a wood fiber insulation board 10 parts binding fibers with 90 parts of wood fibers, which were previously provided with flame retardants, mixed and inflated evenly over a reservoir on a first conveyor belt after weighing, so that the density of 30 to 60 kg / m 3 , in particular 35 to 45 kg / m 3 .
  • the pre-fleece is tufted and inflated after loosening on a second conveyor belt with a thickness between 60 to 250 mm and transferred to the resulting endless mat on the oven belt. After the heating zone, the mat was spent without much compaction, but only homogenization in the cooling zone and then divided to the desired dimensions.
  • the material is inflated onto the second conveyor belt and covered after construction of the desired layer thickness on one side with a perforated nonwoven fabric in ribbon form.
  • the binding fibers ensure a connection of the wood fibers and a connection of the laid-up fleece to the formed wood fiber insulation board.
  • absorbers or resonators 88 parts of wood fibers are mixed with 12 parts of binder fibers and inflated from the reservoir in quantities on a first conveyor belt, which is achieved a bulk density of 35 to 100 kg / m 3 in the mat. After crushing the resulting fleece at the end of the conveyor belt 1, the material is on a second conveyor belt in thicknesses between 30 to 120 mm inflated. The resulting mat is further treated as described in Example 1.
  • binder fibers For the production of wood fiber insulating materials for use in acoustics, 10 parts of binder fibers are mixed with 75 parts of wood fibers and 15 parts of flax fibers and uniformly inflated via a storage container onto a first conveyor belt to obtain a final product with a bulk density of 35 to 130 kg / m 3 becomes. Under comminution of the pre-fleece at the end of the first conveyor belt and repeated mixing, the material of the pre-fleece is inflated to a layer thickness of 4 to 200 mm on the second conveyor belt. The resulting continuous mat is further treated as described in Example 1.
  • a wood fiber / hemp fiber insulation board 12 parts binder fibers, 60 parts wood fibers and 28 parts hemp fibers are mixed together.
  • the material is inflated uniformly from the reservoir in such quantities on a first conveyor belt, the bulk densities of 25 to 50 kg / m 3 , in particular 25 to 40 kg / m 3 , are obtained.
  • the mass is uniformly inflated to a second conveyor belt.
  • the speed of the second conveyor belt is adjusted so that mat thicknesses of 80 to 250 mm are obtained.
  • the further processing is carried out in the manner described in Example 1.
  • a plastic granulate as obtained during the recycling of synthetic resin products from the dual system, is applied in quantities by means of a powder spreader arranged over the entire width of the first conveyor belt, in the obtained nonwoven on the second conveyor belt a ratio of wood fibers to binder fibers to resin granules of 55: 7: 38 is given.
  • the mat thickness on the second conveyor belt is 5 to 10 mm.
  • the obtained endless mat of the second conveyor belt is transferred to the oven belt, heated in the heating zone with hot air to 170 to 180 ° C and pulled through the calibration zone. Here a small compression takes place on the final mat thickness of 3 to 8 mm.
  • binder fiber mixed with 75 parts of wood fibers and 17 parts of hemp fibers and fed to the reservoir.
  • the fiber mixture is uniformly inflated to a first conveyor belt, so that a nonwoven fabric with a density of 130 to 220 kg / m 3 and in particular from 150 to 180 kg / m 3 is formed.
  • granules are added via the powder spreader which consist of a thermally resistant core and a casing of synthetic resins which soften at the temperatures prevailing in the heating zone. The added amount of granules is so high that a part of granules is present on two parts of the fiber mixture.
  • the fiber mixture is well mixed by tearing at the end of the first conveyor belt with the granules and inflated onto the second conveyor belt.
  • the rotational speed of the second conveyor belt is adjusted so that an endless mat with a thickness of 20 to 22 mm is formed.
  • On the mat is placed on one side of a profiled fabric fleece made of cellulose fibers over the entire width of the mat.
  • the product thus obtained is transferred to the oven belt and heated to 170 ° C. At this temperature, the product is driven through the sizing rolls and compacted to the final thickness of 8 to 15 mm.
  • the obtained Holzmaschinedämmstoffplatten are excellently suitable as Unterlegplatten in drywall.
  • binder fibers For the production of wood fiber insulation boards, which can be used for example as Aufsparrendämmung and walkable but not necessarily puncture-resistant, 11 parts of binder fibers are mixed with 89 parts of wood fibers and fed to the reservoir. From the reservoir, the fiber mixture is inflated in quantities on a first conveyor belt, so that end products have a bulk density of 70 to 150 kg / m 3 and in particular from 100 to 140 kg / m 3 . On the Vorvlies thus obtained are on a powder spreader Added granules consisting of a heat-resistant core and a softening in the heating zone sheath and / or consist of resin granules obtained in the recycling of plastic articles from the dual system. The amount of added granules is 28 parts granules to 72 parts of the fiber mixture.
  • the pre-fleece with the scattered granules is crushed and blended well mixed on the second conveyor belt inflated.
  • the speed of the second conveyor belt is set so that the resulting endless mat has a thickness of 65 to 180 mm.
  • the mat can be provided on one side with a dense, moisture-repellent film and on the other side with a fabric fleece.
  • the prepared from both sides coated mat is passed from the second conveyor belt on the oven belt, heated in the heating zone to 175 ° C and compressed in the calibration to a final thickness of 60 to 160 mm.
  • a good matrix is formed by the softening binder fibers and the granules, into which the wood fibers are embedded and which ensure adequate bonding of the applied film or fabric fleece.
  • the fleece is torn open at the end of the first conveyor belt, the material is well mixed and then inflated to a second conveyor belt.
  • the rotational speed of the second conveyor belt is adjusted so that an endless mat with a thickness of 25 to 90 mm is obtained.
  • a structured fiber fleece preferably a random fiber fleece over the entire width of the endless mat is placed on one side.
  • the product thus obtained is transferred to the oven belt and heated in the heating zone to 175 to 185 ° C. In the calibration zone is compressed to a thickness of 15 to 60 mm and then cooled. The spatial arrangement of the fibers is maintained even after calibration.
  • the mats obtained show a high compressive stiffness combined with an increased transverse tensile strength.
EP20050090342 2004-12-21 2005-12-19 Plaque en fibres de bois isolant ou matte Not-in-force EP1674633B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05090342T PL1674633T3 (pl) 2004-12-21 2005-12-19 Płyta lub mata izolacyjna z włókna drzewnego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200410062647 DE102004062647A1 (de) 2004-12-21 2004-12-21 Holzfaserdämmstoffplatte bzw.- matte

Publications (3)

Publication Number Publication Date
EP1674633A2 true EP1674633A2 (fr) 2006-06-28
EP1674633A3 EP1674633A3 (fr) 2010-08-25
EP1674633B1 EP1674633B1 (fr) 2011-12-07

Family

ID=36072056

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050090342 Not-in-force EP1674633B1 (fr) 2004-12-21 2005-12-19 Plaque en fibres de bois isolant ou matte

Country Status (5)

Country Link
US (1) US7674522B2 (fr)
EP (1) EP1674633B1 (fr)
AT (1) ATE536449T1 (fr)
DE (1) DE102004062647A1 (fr)
PL (1) PL1674633T3 (fr)

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EP3323576B1 (fr) 2016-11-10 2022-01-26 GUTEX Holzfaserplattenwerk H. Henselmann GmbH + Co KG Procédé de fabrication de panneaux d'isolation/nattes ignifugés base de matières premières renouvelables

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DE102008005536A1 (de) * 2008-01-22 2009-07-30 Saint-Gobain Isover G+H Ag Dämmelement für die Isolierung eines geneigten Daches
DE102008039720B4 (de) * 2008-08-26 2012-09-13 Siempelkamp Maschinen- Und Anlagenbau Gmbh & Co. Kg Verfahren zur Herstellung von Holzfaser-Dämmplatten"
DE102008061001A1 (de) * 2008-12-09 2010-06-10 Holzwerk Gebrüder Schneider GmbH Plattenförmiges Holzverbundelement
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US8555521B2 (en) * 2010-01-12 2013-10-15 Hot-Woods, Llc Method of treatment of wooden items
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US8663427B2 (en) 2011-04-07 2014-03-04 International Paper Company Addition of endothermic fire retardants to provide near neutral pH pulp fiber webs
WO2012018749A1 (fr) 2010-08-03 2012-02-09 International Paper Company Bande de pâte défibrée ignifugée et son processus de fabrication
US8388807B2 (en) 2011-02-08 2013-03-05 International Paper Company Partially fire resistant insulation material comprising unrefined virgin pulp fibers and wood ash fire retardant component
EP2720862B1 (fr) 2011-06-17 2016-08-24 Fiberweb, Inc. Article multicouches sensiblement imperméable à l'eau, perméable à la vapeur
DK2723568T3 (en) 2011-06-23 2017-10-23 Fiberweb Llc Vapor permeable, essentially all water impermeable, multilayer
US10369769B2 (en) 2011-06-23 2019-08-06 Fiberweb, Inc. Vapor-permeable, substantially water-impermeable multilayer article
US9765459B2 (en) 2011-06-24 2017-09-19 Fiberweb, Llc Vapor-permeable, substantially water-impermeable multilayer article
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CN105377245B (zh) 2013-06-04 2018-07-17 Lts勒曼治疗系统股份公司 透皮递送系统

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DE102004062647A1 (de) 2006-06-29
EP1674633B1 (fr) 2011-12-07
PL1674633T3 (pl) 2012-04-30
US20060148364A1 (en) 2006-07-06
ATE536449T1 (de) 2011-12-15
EP1674633A3 (fr) 2010-08-25
US7674522B2 (en) 2010-03-09

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