EP1527859B1 - OSB-Platte - Google Patents

OSB-Platte Download PDF

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Publication number
EP1527859B1
EP1527859B1 EP04025519A EP04025519A EP1527859B1 EP 1527859 B1 EP1527859 B1 EP 1527859B1 EP 04025519 A EP04025519 A EP 04025519A EP 04025519 A EP04025519 A EP 04025519A EP 1527859 B1 EP1527859 B1 EP 1527859B1
Authority
EP
European Patent Office
Prior art keywords
strands
board
wood
osb board
osb
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.)
Revoked
Application number
EP04025519A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1527859A1 (de
Inventor
Martin Steinwender
Stefan Jacobs
Klaus Schlusen
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=31725131&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1527859(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fritz Egger GmbH and Co OG filed Critical Fritz Egger GmbH and Co OG
Priority to SI200430182T priority Critical patent/SI1527859T1/sl
Priority to PL04025519T priority patent/PL1527859T3/pl
Publication of EP1527859A1 publication Critical patent/EP1527859A1/de
Application granted granted Critical
Publication of EP1527859B1 publication Critical patent/EP1527859B1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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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
    • B27N3/002—Manufacture of substantially flat articles, e.g. boards, from particles or fibres characterised by the type of binder
    • 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
    • B27N1/00—Pretreatment of moulding material
    • B27N1/003—Pretreatment of moulding material for reducing formaldehyde gas emission
    • 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
    • B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres

Definitions

  • the invention relates to an OSB board, in particular for use in the automotive sector, in the furniture sector or in interiors of several layers of binder-provided and pressed beach, the strands of at least one layer are provided with a formaldehyde-free binder and one or more of the wood species selected from the group comprising birch, alder, linden, willow and poplar, the OSB board being low in emissions. Furthermore, the invention relates to a corresponding use of an OSB board in a component for use in a vehicle, in a piece of furniture or in an interior. Finally, the invention relates to a corresponding use in a piece of furniture.
  • an Oriented Strand Board (OSB) board is a board which consists of at least one layer or layer of compressed flat wood chips, the so-called strands.
  • the strands of a layer are oriented in a preferred direction, for example in the longitudinal direction of the plate or in the transverse direction of the plate.
  • the strands are provided with a binder before being pressed.
  • the exact production of an OSB board is described in the "Taschenbuch der Spanplatten-Technik", 4th revised edition, 2000, authors Deppe and Ernst.
  • OSB boards are increasingly being used in the automotive sector, in the furniture sector or in the automotive industry Used indoors.
  • automotive sector for example, cars, trucks, buses, rail vehicles, ships, aircraft, etc. are equipped with such plates.
  • pieces of furniture, for example cabinets, are made with such panels.
  • interiors such as offices, living rooms, etc. can, for example, as a panel, have these plates.
  • Emissions within the meaning of the invention are to be understood as meaning not only the formaldehyde release, which is the "classic" emission parameter of wood-based materials, but also other released components that are relevant for use in the automobile.
  • test specimen having a width of 40 mm, a length of 100 mm and any test specimen thickness is stored in a 1 liter plastic bottle over a period of three hours in the so-called bottle method, in which 50 ml of distilled water. The test takes place at a temperature of 60 ° C. The thereby exiting formaldehyde is absorbed by the water, the content of formaldehyde in the water then determined and from the concentration of formaldehyde is given and calculated in milligrams per kilogram of dry sample.
  • test chamber method Another method for determining the formaldehyde content is the test chamber method according to European standard prENV 717-1.
  • a test specimen with a specific surface eg a 1 m 2 , total surface area as the sum of top, bottom and edge surface
  • a tight chamber with a certain volume eg 1 m 3
  • the air is conditioned so that a certain relative humidity (eg 45%) is established in the chamber.
  • the chamber itself is tempered to 23 ° C during the test. Now, the air surrounding the test specimen and discharging from the chamber takes formaldehyde out of the specimen.
  • the effluent air is then analyzed periodically for its formaldehyde content. From experience, the formaldehyde content of the air decreases with the test time and reaches a constant minimum value, the so-called compensation concentration.
  • the test value is the equilibrium concentration of formaldehyde expressed in ppm.
  • the so-called gas analysis method is carried out after a sample conditioning for 24 hours via CaCl 2 , this corresponds to a relative humidity of 0%, an analysis by means of a gas chromatograph with head-space sensor.
  • a comminuted sample is tempered for five hours at a temperature of 120 ° C in the head-space transmitter and the analyzed by gas chromatographs values of the organic constituents in micrograms of carbon per gram sample output.
  • the qualitative evaluation must show that no carcinogenic substances are detected according to the list of MAK values.
  • the List of MAK Values is published annually by the Senate Commission of the German Research Foundation for Testing Harmful Ingredients. It contains information about the maximum permissible concentration of certain substances in the workplace, the so-called MAK value. It is assumed that a health risk or undue harassment of employees is not to be expected if the stated concentrations are maintained.
  • the list of MAK values in Section III contains the classification of certain substances according to their proven or presumed carcinogenicity.
  • odor test is a test specimen of 150 cm 2 after Delivered for two hours at 80 ° C in a sealed, odorless test vessel, which comprises a volume of three liters. The test vessel is then cooled to 60 ° C. At least three test persons assess the subjective sense of smell of the air in the test vessel and evaluate it.
  • the notes 1 to 3 mean that the smell is not noticeable until clearly, but not disturbing.
  • the notes 4 to 6 mean that the smell is disturbing to unbearable.
  • a specimen with a diameter of 80 mm is stored in a glass container closed with an aluminum foil for 16 hours at 100 ° C.
  • the exiting, condensable components are deposited on the aluminum foil.
  • the resulting mass increase of the film is determined by weighing back and given in milligrams.
  • So woody, low-resin types of wood for the production of OSB boards are described as Douglas fir, linden, poplar, spruce, fir, alder, birch, armor, ash, beech, pear and robinia.
  • the present invention has the object, an OSB board of the type mentioned in such a way that the emission behavior is further improved without sacrificing the mechanical and technological properties of the OSB board in purchasing to have to.
  • the previously derived and indicated object is achieved by an OSB panel according to claim 1.
  • the above-derived and indicated object is thus achieved by providing at least one layer of strands of the species birch, alder, linden, willow and poplar provided with a formaldehyde-free binder and using other types of wood in an adjacent layer than in the first layer.
  • one layer namely the strands provided with the formaldehyde-free binder, leads to the particularly good emission properties
  • the adjacent layer is mainly used for the mechanical-technological Maintain properties by here, for example, particularly stable and / or elastic types of wood are used.
  • An improvement of the emission behavior is thus achieved in that even the OSB board itself is low in emissions, and solely by the choice of the types of wood used and the binder used. Additional measures to improve the emission behavior, such as special coatings of the strands or the entire plate, which prevent certain components, in particular formaldehyde, from entering the environment, or admixtures which bind or prevent escaping formaldehyde Cleavage formaldehyde, are not necessary in this way.
  • the term low-emission means that according to the perforator method, the content of formaldehyde, based on 100 g dry matter, is less than 3.0 mg and in particular less than or equal to 2.5 mg.
  • An OSB board is also low in emissions according to the invention, if according to the bottle method, the content of formaldehyde based on 1 kg dry matter is less than 3.0 mg and in particular less than or equal to 1 mg.
  • a plate is also low in emissions even if, according to the gas analysis method, the formaldehyde content of the OSB plate is less than 90 ⁇ gC relative to 1 g dry matter and in particular less than or equal to 60 ⁇ gC.
  • an OSB board should be considered low in emissions even if the OSB board has a mass of condensable constituents of less than 4.2 mg, and in particular less than or equal to 4 mg, after the fogging test.
  • the formaldehyde-free binder is an isocyanate-based binder.
  • PMDI can be used as the binder.
  • the middle layer contains only strands of alder and the two cover layers exclusively of birch strands.
  • an OSB panel in a component for use in a vehicle, in particular a passenger car, truck, bus, rail vehicle, ship or aircraft, which inter alia includes one or more of the previously described OSBs Includes plates.
  • the object according to the invention is also achieved by the use of an OSB board in a component for use in a piece of furniture, in particular a cabinet, comprising at least one OSB board, the board being designed as described above.
  • the object is also achieved by the use of an OSB board in a component for use in an interior, in particular as a lining of a wall, wherein the plate is formed as described above.
  • the object of the invention is also achieved by the use of an OSB board in a piece of furniture, in particular a cabinet, wherein the plate is formed as described above.
  • the single figure shows the layer structure of an embodiment of a low-emission OSB board according to the invention.
  • Debarked pine logs were used to produce dried strands for the two outer layers and the middle layer.
  • the strands for the cover layers were provided with commercially available melamine-urea-phenol-formaldehyde (MUPF) -based binder, and the strands for the middle layer were provided with formaldehyde-free PMDI.
  • MUPF melamine-urea-phenol-formaldehyde
  • PMDI formaldehyde-free PMDI
  • a plate was produced analogously to Example 1 and the embodiment of the invention. Instead of the wood species pine, the wood species spruce was used and instead of MUPF as a binder only PMDI was used. The test results are shown in Table 1.
  • each layer 2, 3 and 4 consists of different types of wood, namely the species of birch for the cover layers and for the middle layer a mixture of alder: Willow: linden in the ratio 4: 2: 1.
  • the binder used is PMDI, which is formaldehyde-free.
  • the OSB board 1 described above has a particularly good emission behavior for formaldehyde, organic constituents, odor and condensable constituents, as a comparison with the preceding examples from the prior art shows. It can also be seen that the reduction of emissions has no loss in the mechanical and technological properties of the plate.
  • Example 2 (prior art) erfind.-gem.
  • Exemplary embodiment 1 Binder Type MUPF / PMDI PMDI PMDI wood species DS + MS: DS + MS: DS: Birch jaw Spruce MS: Alder / Pasture/ lime density kg / m 3 633 642 640 plate thickness mm 12.0 11.7 11.5 transverse tensile strength N / mm 2 0.76 0.70 0.73 Bending strength main axis N / mm 2 37.8 40.0 40.3 Bending strength minor axis N / mm 2 23.8 19.2 19.4 Bend elastic modulus major axis N / mm 2 6001 6270 6190 Bending elastic modulus minor axis N / mm 2 3093 2701 2687 24h swelling % 9.4 8.8 7.7 Perforator value EN 120 mg / 100g 3.8 3.0 1.9 formaldehyde content mg / kg 11.2 3.0 0.5 Organic ingredients ⁇ gC / g 125 92 55 odor test grade 5.0 4.0 3.0 Fogging test mg 6.0 4.2 3.3

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  • 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)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Impact Printers (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
EP04025519A 2003-10-28 2004-10-27 OSB-Platte Revoked EP1527859B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200430182T SI1527859T1 (sl) 2003-10-28 2004-10-27 OSB plosca
PL04025519T PL1527859T3 (pl) 2003-10-28 2004-10-27 Płyta OSB

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20316621U 2003-10-28
DE20316621U DE20316621U1 (de) 2003-10-28 2003-10-28 Emissionsarme OSB-Platte

Publications (2)

Publication Number Publication Date
EP1527859A1 EP1527859A1 (de) 2005-05-04
EP1527859B1 true EP1527859B1 (de) 2006-12-13

Family

ID=31725131

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04025519A Revoked EP1527859B1 (de) 2003-10-28 2004-10-27 OSB-Platte

Country Status (7)

Country Link
EP (1) EP1527859B1 (es)
AT (1) ATE347982T1 (es)
DE (2) DE20316621U1 (es)
ES (1) ES2278260T3 (es)
PL (1) PL1527859T3 (es)
SI (1) SI1527859T1 (es)
WO (1) WO2005042218A1 (es)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2039559C (en) * 1990-04-03 1996-11-19 John T. Clarke Oriented strand board-fiberboard composite structure and method of making the same
DE4431316C1 (de) * 1994-09-02 1996-05-02 Schlingmann Gmbh & Co Verfahren zur Verminderung der Formaldehydabgabe von Holzspan- oder Faserplatten
DE4434876B4 (de) * 1994-09-29 2004-09-16 Dieffenbacher Gmbh + Co. Kg Verfahren und Anlage zur kontinuierlichen Herstellung einer Mehrschichtplatte
DE19754143A1 (de) * 1997-12-04 1999-06-10 Sortimo Int Gmbh Platte für den Innenausbau in Fahrzeugen und Verfahren zu deren Herstellung
DE19756154C1 (de) * 1997-12-17 1999-10-28 Henkel Kgaa Formkörper aus Holzteilchen und PU-Bindemittel, ihre Herstellung und Verwendung
DE20014859U1 (de) * 2000-08-28 2000-11-30 Enno Roggemann GmbH & Co. KG, 16352 Basdorf Mehrschichtplatte (OSB)
DE20109675U1 (de) * 2001-06-12 2002-10-24 Fritz Egger Ges. M.B.H. & Co., Unterradlberg Grossformatige OSB-Platte mit verbesserten Eigenschaften, insbesondere für den Baubereich

Also Published As

Publication number Publication date
DE502004002282D1 (de) 2007-01-25
EP1527859A1 (de) 2005-05-04
WO2005042218A1 (de) 2005-05-12
PL1527859T3 (pl) 2007-05-31
ES2278260T3 (es) 2007-08-01
ATE347982T1 (de) 2007-01-15
DE20316621U1 (de) 2004-02-12
SI1527859T1 (sl) 2007-04-30

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