EP2319671A1 - Plaque en matériau dérivé du bois - Google Patents
Plaque en matériau dérivé du bois Download PDFInfo
- Publication number
- EP2319671A1 EP2319671A1 EP09013890A EP09013890A EP2319671A1 EP 2319671 A1 EP2319671 A1 EP 2319671A1 EP 09013890 A EP09013890 A EP 09013890A EP 09013890 A EP09013890 A EP 09013890A EP 2319671 A1 EP2319671 A1 EP 2319671A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wood
- fibers
- based panel
- cover layer
- layer
- 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
Links
- 239000002023 wood Substances 0.000 title claims description 44
- 239000002131 composite material Substances 0.000 title description 2
- 239000003365 glass fiber Substances 0.000 claims abstract description 24
- 239000011120 plywood Substances 0.000 claims abstract description 4
- 239000000835 fiber Substances 0.000 claims description 29
- 239000011490 mineral wool Substances 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 12
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 9
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 claims description 9
- 229920001568 phenolic resin Polymers 0.000 claims description 9
- 229920003986 novolac Polymers 0.000 claims description 7
- 239000003063 flame retardant Substances 0.000 claims description 6
- 239000011094 fiberboard Substances 0.000 claims description 4
- 229920003987 resole Polymers 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000000417 fungicide Substances 0.000 claims description 3
- 239000012855 volatile organic compound Substances 0.000 claims description 2
- 229920002522 Wood fibre Polymers 0.000 abstract description 6
- 239000002025 wood fiber Substances 0.000 abstract description 6
- 239000011152 fibreglass Substances 0.000 abstract description 4
- 239000012978 lignocellulosic material Substances 0.000 abstract description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 2
- 239000011707 mineral Substances 0.000 abstract 2
- 239000010410 layer Substances 0.000 description 54
- 239000000853 adhesive Substances 0.000 description 10
- 230000001070 adhesive effect Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 10
- 230000003014 reinforcing effect Effects 0.000 description 8
- 239000004744 fabric Substances 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- 241000256602 Isoptera Species 0.000 description 1
- 229920000538 Poly[(phenyl isocyanate)-co-formaldehyde] Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000011093 chipboard Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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
-
- 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
- B27N3/06—Making particle boards or fibreboards, with preformed covering layers, the particles or fibres being compressed with the layers to a board in one single pressing operation
Definitions
- the invention relates to a wood-based panel, in particular an OSB, chip, plywood or fiber board (MDF, HDF), which has at least one upper cover layer, at least one middle layer and at least one lower cover layer.
- OSB OSB
- chip chip
- MDF plywood or fiber board
- Such a wood-based panel is for example from the EP 1 754 583 A1 known.
- the layers are all made of resin-glued strands.
- the resin coated strands are provided separately, the strands of the lower cover layer laid down in a first orientation substantially longitudinal to the plate main direction, the strands of the middle layer deposited in a second orientation substantially transverse to the plate main direction on the lower cover layer, and the strands of the upper cover layer are deposited in the first orientation on the middle layer and then pressed this layer structure under increased pressure and elevated temperature.
- Wood-based panels represent very high quality products, but are subject to specific limitations, with the mechanical properties, such as. B. flexural strength, modulus and transverse tensile strength are meant. If wood-based panels are used as structural panels, another significant disadvantage is their increased flammability due to the lignocellulosic material used. Especially in the construction sector, there is an increasing demand for wood-based panels, which have high strength properties at comparatively low plate thickness, so that they are easy to handle due to their low weight.
- the upper and / or lower cover layer may also have at least one fabric layer.
- the fabric layer can z. B. be applied in the form of a fabric mat, whereby the bending properties of an OSB board are increased.
- a fiber reinforced board having a reinforcing layer of glass fiber material or the like disposed on a core layer of wood or wood material is known.
- This reinforcing layer is located on both sides in a bonding layer of plastic shrinking during curing, such as polyester resin.
- the outer bonding layer applied to the reinforcing layer is covered by a protective layer of plastic film.
- the protective film should prevent the fiber material from coming out when it is weathered.
- a reinforced molding of a compressed mixture of comminuted, finely divided lignocellulosic particles and binder is known in which a plurality of continuous, endless, long reinforcing threads is embedded.
- the reinforcing threads have a tensile strength and elasticity that is substantially greater than the tensile strength and elasticity of the bonded mixture.
- the reinforcing threads are arranged largely straight in a predetermined direction and parallel to each other in the lateral distance.
- the reinforcing filaments have a length to extend continuously in the predetermined direction from one side to the opposite side of the molded article, and they are bonded to the lignocellulosic particles over substantially the entire length thereof via the binder.
- the material for the reinforcing threads are glass fibers or steel wires into consideration, since they adhere well to the binders and are inexpensive to procure.
- the invention has the object to improve the wood-based panel initially explained to the effect that not only their mechanical properties increase significantly, but also their properties are improved in case of fire.
- a generic wood-based panel characterized by the fact that only in the upper and / or the lower cover layer glass fibers or rock wool fibers are included.
- the weight of the wood-based panel is kept low. At the same time, however, a stiffening and in particular an increase in the tensile strength is provided in the area in which the highest load occurs when the wood-based panel is used as a building board.
- non-flammable fibers By incorporating non-flammable fibers into the panel structure, the flammability of the wood-based panel is significantly reduced or its fire resistance significantly increased.
- the upper and / or lower cover layer exclusively on glass fibers or rock wool fibers.
- the stability of the plate is thereby further improved and their flammability further reduced.
- the upper and / or lower cover layer may consist of a fleece of glass fiber or rockwool fiber, which has either been glued or pressed in the production of the wood-based panel with the other layers.
- the upper and / or lower cover layer could also consist of a lignocellulose-containing material into which glass fibers or rockwool fibers are additionally introduced.
- Phenol-formaldehyde resoles or phenol-formaldehyde novolaks are preferably used to compound the glass fibers or rock wool fibers with the lignocellulose-containing material.
- fire and / or flame retardants VOC and formaldehyde scavengers, fungicides and / or termite attack agents can be added to further improve the properties of the board.
- These additives may be added cumulatively or alternatively.
- the fiberboard 1 can, as in FIG. 3 is shown, from three layers 2, 3, 4 of lignocellulosic material, such as wood chips or wood fibers, be scattered.
- the upper cover layer 5 and the lower cover layer 6 are made of glass fibers or rock wool fibers. This could be provided as a nonwoven, and glued to the upper layer 4 and the lower layer 2. It is also possible, as described in more detail below, to sprinkle the glass fibers or rock wool fibers and then to press them with the scattered layers 2, 3, 4.
- the wood-based panel 1a consists of the middle layer 3a and the upper cover layer 5a and the lower cover layer 6a.
- the middle layer 3a consists of cellulose-containing material, for example wood chips or wood fibers.
- the cover layers 5a, 6a also consist of lignocellulose-containing material.
- glass fibers or rock wool fibers integrated into the cover layers 5a, 6a and glued or pressed with the wood chips or wood fibers.
- the glass fibers or rockwool fibers need not be contained in or form two cover layers 5a, 6a, but may optionally also be contained in one of the cover layers 5a or 6a.
- wood-based panel 1 may be a conventional OSB, chipboard, plywood or fiberboard on which in a second manufacturing step, either the glass fiber or rock wool fiber layer applied or a fiberglass or rock wool fiber fleece is applied.
- conventional adhesives can be used, which are also used for the production of the wood-based panel itself.
- the preparation is advantageously carried out in a batch press. For example, a short-cycle press can be used for this purpose.
- FIG. 7 A third way of manufacturing is schematically in FIG. 7 shown.
- fiberglass or rockwool nonwovens 5b, 6b are unrolled during the scattering process of the wood-based panel.
- a fiberglass or rock wool fiber fleece 6b is first applied by rolling from a dispenser 10.
- individual wood chips, wood fiber or beach layers 2b, 3b, 4b are scattered by means of the scattering device 8, wherein the orientation of the chips or strands in adjacent layers can each be offset by 90 °.
- an upper glass fiber or rock wool fiber fleece 5b is placed by the dispenser 9.
- the cake thus constructed is then pressed in a press 11 at elevated temperature to the wood-based material board desired thickness.
- the webs 5b, 6b may have been soaked or glued prior to pressing with commercially available liquid adhesives. But it can also be incorporated powdered adhesives. Again, such powdery adhesives are preferably used as they are used for the production of glass fiber, such as phenol-formaldehyde resoles or phenol-formaldehyde novolacs. The lamination can be done either on one or both sides. As conventional adhesives for the production of MUPF and / or PMDI adhesives are used. To improve the properties of the wood-based panel further additives may be used such. As fire retardants or flame retardants. VOC and formaldehyde scavengers, fungicides and anti-termite agents may also be used. These may be commercial preparations.
- Another type of production of a wood-based panel according to the invention can take place in which in a first step an OSB board is produced. Subsequently, rock wool fibers are blended with a phenol-formaldehyde novolak, the addition amount is about 10% based on the rock wool fibers. Then a fleece is formed mechanically. In a further step, this nonwoven is pressed onto the OSB board in a discontinuous press (for example a short-cycle press). In the process, the novolak on the nonwoven fabric combines with the wood surface, resulting in a largely homogeneous fiber composite material. The rockwool fiber is chemically bound to the novolak. In contrast to a purely glued system, which would be characterized by a discrete boundary layer between the OSB and the rock wool fleece.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Laminated Bodies (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES09013890.0T ES2469792T3 (es) | 2009-11-05 | 2009-11-05 | Procedimiento para fabricar una placa OSB |
| PL09013890T PL2319671T3 (pl) | 2009-11-05 | 2009-11-05 | Sposób wytwarzania płyt OSB |
| EP09013890.0A EP2319671B1 (fr) | 2009-11-05 | 2009-11-05 | Procédé de fabrication d'un panneau OSB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP09013890.0A EP2319671B1 (fr) | 2009-11-05 | 2009-11-05 | Procédé de fabrication d'un panneau OSB |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2319671A1 true EP2319671A1 (fr) | 2011-05-11 |
| EP2319671B1 EP2319671B1 (fr) | 2014-03-26 |
Family
ID=41667208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09013890.0A Active EP2319671B1 (fr) | 2009-11-05 | 2009-11-05 | Procédé de fabrication d'un panneau OSB |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2319671B1 (fr) |
| ES (1) | ES2469792T3 (fr) |
| PL (1) | PL2319671T3 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014131801A1 (fr) * | 2013-02-27 | 2014-09-04 | Georg-August-Universität Göttingen Stiftung Öffentlichen Rechts | Plaque en bois et en matériau composite et son procédé de fabrication |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3924158A1 (fr) | 2019-02-15 | 2021-12-22 | Owens-Corning Intellectual Capital, LLC | Composite fibre de bois-verre |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB485588A (en) | 1936-11-20 | 1938-05-20 | Felix Pfohl | Improvements in and relating to the manufacture of sheets for cabinet and joiner's work |
| DE1945779A1 (de) | 1968-09-10 | 1970-04-02 | Ibus Werke Gmbh | Faserverstaerkte Platte sowie Verfahren und Vorrichtung zu deren endlosen Herstellung |
| DE2554212A1 (de) | 1974-12-02 | 1976-08-12 | Robert Dudley Flanders | Verstaerkte formteile aus lignocellulose und verfahren zu ihrer herstellung |
| DE4110640A1 (de) | 1990-04-05 | 1991-10-10 | Richard Pott | Formkoerper |
| JP2001152661A (ja) | 1999-11-29 | 2001-06-05 | Shimizu Corp | 木チップによる再生型枠 |
| EP1754583A1 (fr) | 2005-08-17 | 2007-02-21 | Kronotec Ag | Plaque en materiau de bois et procédé de fabrication |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080148677A1 (en) * | 2006-12-20 | 2008-06-26 | Huber Engineered Woods Llc | Reinforced Wood Panel |
-
2009
- 2009-11-05 ES ES09013890.0T patent/ES2469792T3/es active Active
- 2009-11-05 EP EP09013890.0A patent/EP2319671B1/fr active Active
- 2009-11-05 PL PL09013890T patent/PL2319671T3/pl unknown
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB485588A (en) | 1936-11-20 | 1938-05-20 | Felix Pfohl | Improvements in and relating to the manufacture of sheets for cabinet and joiner's work |
| DE1945779A1 (de) | 1968-09-10 | 1970-04-02 | Ibus Werke Gmbh | Faserverstaerkte Platte sowie Verfahren und Vorrichtung zu deren endlosen Herstellung |
| DE2554212A1 (de) | 1974-12-02 | 1976-08-12 | Robert Dudley Flanders | Verstaerkte formteile aus lignocellulose und verfahren zu ihrer herstellung |
| US4058580A (en) | 1974-12-02 | 1977-11-15 | Flanders Robert D | Process for making a reinforced board from lignocellulosic particles |
| DE4110640A1 (de) | 1990-04-05 | 1991-10-10 | Richard Pott | Formkoerper |
| JP2001152661A (ja) | 1999-11-29 | 2001-06-05 | Shimizu Corp | 木チップによる再生型枠 |
| EP1754583A1 (fr) | 2005-08-17 | 2007-02-21 | Kronotec Ag | Plaque en materiau de bois et procédé de fabrication |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014131801A1 (fr) * | 2013-02-27 | 2014-09-04 | Georg-August-Universität Göttingen Stiftung Öffentlichen Rechts | Plaque en bois et en matériau composite et son procédé de fabrication |
| EP3366442A1 (fr) * | 2013-02-27 | 2018-08-29 | Georg-August-Universität Göttingen | Plaque de bois et de matériau composite ainsi que procédé de fabrication |
Also Published As
| Publication number | Publication date |
|---|---|
| PL2319671T3 (pl) | 2014-08-29 |
| EP2319671B1 (fr) | 2014-03-26 |
| ES2469792T3 (es) | 2014-06-20 |
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