EP2917008B1 - Procédé destiné à la réduction de l'émission de composés organiques volatiles à partir de matières dérivées du bois et matières dérivées du bois - Google Patents

Procédé destiné à la réduction de l'émission de composés organiques volatiles à partir de matières dérivées du bois et matières dérivées du bois Download PDF

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Publication number
EP2917008B1
EP2917008B1 EP13792612.7A EP13792612A EP2917008B1 EP 2917008 B1 EP2917008 B1 EP 2917008B1 EP 13792612 A EP13792612 A EP 13792612A EP 2917008 B1 EP2917008 B1 EP 2917008B1
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Prior art keywords
additive
wood
activated carbon
emission
use according
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German (de)
English (en)
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EP2917008A1 (fr
EP2917008C0 (fr
Inventor
Joachim Hasch
Julia BOROWKA
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Swiss Krono Tec AG
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Swiss Krono Tec AG
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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
    • B27N1/00—Pretreatment of moulding material
    • 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
    • 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
    • B27N3/08—Moulding or pressing
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J1/00—Fibreboard

Definitions

  • the present application relates to the use of activated carbon in a process for the production of OSB boards, said to reduce or reduce the emission of volatile organic compounds (VOC) and optionally very volatile organic compounds (VVOC), in particular terpenes and acids, the production be treated with at least activated carbon as an additive. According to the invention, the treatment is carried out with an activated carbon additive.
  • the present application is directed to the use of activated carbon to reduce or reduce the emission of VOC and optionally VVOC, in particular to reduce the emission of terpenes and acids as well as aldehydes.
  • Lignocellulose or lignocellulose-containing materials such as wood and wood comminution products and wood-based materials produced therefrom, such as wood-based panels, contain, inter alia, volatile organic compounds (VOC) and very volatile organic compounds (VVOC).
  • VOC volatile organic compounds
  • VVOC very volatile organic compounds
  • the emission of these VOC and VVOC, also referred to as the total amount of volatile compounds (TVOC), from the wood-based materials (HWS) poses a serious problem in view of the increasing use of wood-like products indoors.
  • the volatile organic compounds include saturated and unsaturated aldehydes all volatile organic substances whose retention time in the gas chromatograph is between C6 (hexane) and C16 (hexadecane).
  • the VOC are not a homogeneous substance class, but a hodgepodge of compounds.
  • VVOC very volatile organic compounds
  • these VVOCs also occur in the manufacture but also in the use of wood-based materials.
  • these compounds can occur during the curing of adhesives, on the other hand, these compounds can occur through the conversion of compounds present in the wood material.
  • the emission of VOCs in particular is essentially based on the release of compounds originating from the wood-based material.
  • the release of volatile organic compounds and very volatile organic compounds depends, among other things, on the type and condition of the lignocelluloses, such as the type of wood, the duration of storage, the storage conditions of the wood or the comminution products of the wood, and can occur in different chemical compositions and quantities happen.
  • the VOC essentially originate from the extractive substances of the lignocelluloses, eg from the wood or conversion products. Prominent representatives of these are substances such as ⁇ -pinene, ⁇ -pinene, ⁇ -3-carene. These components are found above all in coniferous trees, which are used as the starting wood for wood-based panels.
  • Transformation products that occur, for example, during storage and processing of the wood and the comminution products are aldehydes such as pentanal and hexanal.
  • fugitives organic compounds and very volatile organic compounds can also arise when certain adhesives are used in the manufacture of wood-based materials.
  • VOC emission from wood-based materials is essentially based on a wood-related release and not on one due to the adhesive used.
  • OSB panels are also used in construction. Since OSB panels usually do not have an emission-reducing coating and are installed in large quantities, especially as a surface of the panel, based on the total number of cubic meters of the room or building, high VOC releases can occur.
  • the additives used hitherto can partially reduce the reactivity of the adhesives used turned out to be particularly disadvantageous.
  • mechanical parameters of the wood-based panels to be produced are influenced and usually deteriorate.
  • the adhesive is added in larger amounts in order to achieve the required and/or desired mechanical properties to achieve parameters.
  • TVOC such as the VOC and possibly VVOC
  • new additives not only have to reduce the direct emissions of VOCs during the manufacturing process, but also in particular the emissions of VOCs and VVOCs, in particular of terpenes and acids, but also compounds that are released as secondary or tertiary emissions as degradation products of fatty acids from the wood-based materials become, decrease.
  • JP 2003 080509 A describes the use of fibrous or powdered carbon in wood fiber boards.
  • the present invention is therefore based on the object of providing the use of activated carbon in a process for the production of OSB panels, this also reducing or reducing emissions of volatile organic compounds (VOC) and very volatile organic compounds (VVOC). show a longer period of time. This means that the emission of VOCs as well as VVOCs should be significantly reduced both during manufacture and during later use.
  • the additives used should not themselves have any toxic properties and do not negatively affect the manufacturing process itself, in particular not reduce the reactivity of the adhesives used. On the other hand, the additives should reduce as much as possible the emission of the heterogeneous class of volatile organic compounds as well as the very volatile organic compounds or the formation of these from components of the wood-based materials.
  • An essential aspect of the present invention is the use of activated carbon as an additive.
  • emission reduction or “emission reduction”, which are used synonymously, is primarily understood to mean that the total amount of a volatile organic compound (Total Volatile Organic Compounds TVOC) is lower compared to a wood-based material without this additive. i.e. in the production of corresponding wood-based materials or when treating corresponding wood-based materials with the additive as defined herein, the emission of the total amount of VOC or TVOC is lower or lower than in a comparison wood-based material that is obtainable without using the additive.
  • Total Volatile Organic Compounds TVOC Total Volatile Organic Compounds TVOC
  • the expression "avoidance of emission” includes a reduction in percentage compared to the control or a reduction in emission to a level below the measurement limit.
  • lignocellulose-containing comminution products and “lignocellulose particles” are used synonymously.
  • Another advantage of reducing or lowering the emission of TVOC is that, for example, the emission of substances that continue to contribute to an unpleasant odor in the wood-based materials, such as acetic acid, which is foul-smelling, but also the typical aldehyde, in particular formaldehyde, is also reduced in emission -Smell these records.
  • Activated carbon is understood to mean carbon structures made from the smallest graphite crystals and amorphous carbon with a porous structure and internal surfaces (BET surface), usually in a range between 300 and 2000 m 2 /g.
  • Activated carbon can be in powder form, as granules, or in other forms.
  • the activated carbon is preferably one with a Density between 0.2 to 0.6 g/cm 3 , the preferred pore size of the activated carbon being in the range from ⁇ 1 nm to 50 nm.
  • Activated carbon can be made from plant, animal or mineral raw materials. Accordingly, the activated charcoal can come from hard, wood, lignite, but also from vegetable components such as coconut shells, fruit kernels, etc., as well as from animal charcoal.
  • Activated carbon has been known as an adsorbent for a long time, e.g. it is used to remove unwanted or harmful colorants and odors from gases, vapors and liquids etc. They are also known in chemical cleaning processes and for the adsorption of e.g. toxins in the pharmaceutical sector.
  • Activated carbon is known as a means for sorption, such as adsorption of liquids or gases, for a short period of time, but not as a means for permanent use.
  • the activated carbon can be added to the lignocellulose-containing comminution products in solid form as a powder, preferably with a grain diameter of less than 1 mm and/or as granules with a grain size of less than 4 mm.
  • the additive is introduced, for example, in an amount ranging from 0.1 to 20% by weight on atro lignocellulose.
  • Suitable areas are e.g. B. those with 0.1% by weight to 1.5% by weight, such as 0.1% by weight to 5% by weight, based on atro lignocellulose.
  • activated carbon has various advantages. From an economic point of view, activated carbon has high availability and low price. In the manufacturing process itself, the disadvantages of previous additives can be overcome. Thus, a dosage as a solid take place, whereby the moisture content of the starting materials and/or the wood-based panels is not increased. Additional drying with corresponding additional costs is therefore not necessary. Furthermore, the activated carbon has no reactivity with the adhesive used, so that the reactivity and processability of this, for example its curing speed, is not impaired. As a result, it is not necessary to add larger amounts of adhesive in order to compensate for deteriorations in the reactivity of these due to the addition of additives.
  • the total emission of VOCs, possibly including VVOCs, from the wood-based materials is reduced, with this reduction not being limited to one class of substances, but reducing both the emission of aldehydes and of terpenes and acids.
  • the TVOC value and the R value of the wood-based materials produced are thus significantly reduced, particularly in the form of wood-based panels such as OSB panels.
  • the additive can be added at different times in the production process.
  • the additive can be added either in solid form or, if appropriate, in the form of a suspension or dispersion.
  • the activated carbon is preferably added as powder granules in solid form.
  • the additive can be added in all areas of the wood-based materials to be produced. In the case of OSB boards, for example, the additive can only be present in individual areas of these.
  • the additive can be metered into the top layer and/or middle layer, e.g. B. alone in the middle class.
  • the additive can be present in different proportions by weight in the top layer or middle layer.
  • one of the layers may contain up to 5% by weight, such as 5% by weight, while the other layer contains 7.5% or 10% of the additive.
  • the proportions in both layers can also be the same.
  • the activated carbon can be used in powder form before the dryer and/or after the dryer in the chute of the lignocellulosic comminution products for controlling and/or before and/or after gluing them and/or in the gluing with the appropriate adhesive, such as a PMDI adhesive , take place.
  • the appropriate adhesive such as a PMDI adhesive
  • the additive is added.
  • the dosage is z. B. 0.1 to 20 wt.% On atro lignocellulose, such as 0.1 to 7.5 wt.%, z. B. 0.1 to 5 wt.% On atro lignocellulose.
  • Adhesives based on isocyanates or polyurethane adhesive (PU adhesive) or mixtures thereof can be used as adhesives.
  • the adhesive is a formaldehyde-free adhesive such as an isocyanate-based adhesive such as PMDI.
  • lignocelluloses are understood as meaning lignocellulose-containing materials, such as wood. Comminuted products of lignocelluloses obtained therefrom include wood strands.
  • the lignocelluloses such as the wood materials and the comminution products thereof, can be both softwoods and hardwoods. Mixtures of these two types of wood are also possible.
  • the strands preferably come from conifers.
  • the wood-based materials that can be produced with the manufacturing process described can, according to a known procedures are produced. If appropriate, the method can also be supplemented by other methods known to those skilled in the art for reducing the emission of volatile organic compounds, very volatile organic compounds.
  • the present invention relates to the use of activated carbon as an additive in the production of OSB panels from wood strands, in particular for reducing or reducing the emission of VOC, TVOC and/or VVOC.
  • the additive is introduced or applied during the production process of the lignocellulose, which is present, for example, in the form of comminution particles containing lignocellulose (lignocellulose-containing particles).
  • the additive can be used at least in the top layer or the middle layer or in both layers of OSB panels. According to the invention, the additive can be used in an amount of 0.1% by weight to 20% by weight of solids, such as 0.1% by weight to 7.5% by weight, e.g. B. 0.1% by weight to 5% by weight, based on atro lignocellulose.
  • wood-based materials are provided, obtainable through the use according to the invention.
  • This wood-based material is an OSB panel.
  • the wood-based materials are characterized in that they show a reduced or reduced emission of TVOC over a long period of time, this also including in particular a reduction or reduction in terpenes and acids. Furthermore, it was found that the mechanical properties of the wood-based materials produced are not negatively influenced, or only to a small extent, as shown, for example, in Table 3 below.
  • a reference board (board 1) with 100% PMDI glue and a thickness of 12 mm was produced on the laboratory press. Subsequently, three experimental plates were made using activated carbon. Plate 2 contains 5% activated carbon powder on atro wood in the top layer. Panel 3 contains 5% activated carbon powder on atro wood in the middle layer and in panel 4, 10% activated carbon powder on atro wood was added to the middle layer.
  • Table 1 below contains an overview of the test panels produced. These were then examined for their emission behavior in a test chamber and evaluated over a period of 28 days according to the AgBB scheme.
  • Table 1 plate thickness gluing dosage 1 12 100% PMDI "0" - default disk 2 12 100% PMDI OSB board with 5% AK in top layer 3 12 100% PMDI OSB board with 5% AK in the middle layer 4 12 100% PMDI OSB board with 10% AK in middle layer
  • the emission measurements were carried out in test chambers made of glass desiccators with a volume of 23.5 liters. The tests were based on ISO 16 000 part 9 (2008). Accordingly, standard conditions were a temperature of 23 °C, a relative humidity of 50 % and an air velocity near the sample surface of 0.1 to 0.3 m s-2.
  • the standard loading was around 720 cm 2 emitting area, ie the loading degree of the chamber was 3.1 m2 m-3; the air exchange with high-purity synthetic air in the Test chamber was performed 3.1 times per hour. This resulted in a standard area-specific air exchange rate of 1 m 3 /(m 2 *h).
  • the minimum test duration was 28 days, with air sampling taking place one and three days after sample introduction and weekly thereafter.
  • Sampling was carried out according to ISO 16 000 Part 6 (2004) using a pump and tubes filled with the adsorbent Tenax TA ® .
  • the respective sample intake volume was 0.5 to a maximum of 4 liters of test chamber air.
  • the tubes filled with Tenax TA were thermally cleaned before each air sampling and charged with 200 ng deuterated toluene as an internal standard.
  • the sampled Tenax TA was thermally desorbed (TD) and the substances were transferred to a gas chromatograph (GC) coupled with a mass spectrometer (MS) via a cryofocusing unit.
  • GC gas chromatograph
  • MS mass spectrometer
  • VOC emission measurements show the strongest effect of a reduction in the case of dosing the activated carbon powder in the middle layer.
  • a dosage of 5% on atro wood activated carbon leads to a strong reduction in VOC emissions.
  • the TVOC value is reduced from 999.1 ⁇ g/m 3 to 265.6 ⁇ g/m 3 (panel 3).
  • the R value is also greatly reduced from 3.3 to 1 compared to reference panel 1.
  • Sample 1 corresponds to the activated carbon from the previous examples.
  • the second activated carbon is a product of the company Donaucarbon (product Desorex K47 F). The material is pressed and not as soft as Poch's first product.
  • sample 2 Compared to the zero sample, the strongest reduction was in sample 2, in which the activated carbon from Poch was used.
  • the TVOC value is more than halved, as well as the formaldehyde level reduced to 0.008 ppm after 28 days.
  • the strongest reduction occurs at the R value to 0.170.
  • Sample 1 using the activated carbon from Donaucarbon also shows a strong Reduction of VOC emissions.
  • Activated carbon has a high adsorption capacity due to its high inner surface. Due to the high, open-pored structure, the activated carbon has the ability to store and store large amounts of gas molecules. Activated carbon is one of the hydrophobic adsorbents and is particularly suitable for the adsorption of less polar VOCs such as terpenes. In addition to physiosorption, chemisorption also plays a major role here, whereby the VOC molecules are able to chemically interact with the surface molecules of the activated carbon, resulting in a real formation of a surface connection.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Claims (9)

  1. Utilisation de charbon actif comme additif dans la fabrication de panneaux OSB à partir de sciure de bois pour réduire l'émission de COV, l'additif pouvant être introduit ou appliqué pendant le processus de fabrication des panneaux OSB, caractérisée en ce que la colle utilisée est une colle sans formaldéhyde.
  2. Utilisation selon la revendication 1, caractérisée en ce que l'additif est utilisé au moins dans la couche supérieure ou la couche intermédiaire des panneaux OSB.
  3. Utilisation selon l'une des revendications 1 à 2, caractérisée en ce que l'additif est introduit ou appliqué en une quantité de 0,1 % à 20 % en poids de matière solide par rapport à l'atro lignocellulose.
  4. Utilisation selon l'une des revendications précédentes, dans laquelle le charbon actif est introduit sous forme solide, de préférence sous forme de poudre avec un diamètre de grain < 1 mm et/ou sous forme de granulés avec une taille de grain de préférence jusqu'à 4 mm.
  5. Utilisation selon l'une quelconque des revendications précédentes, dans laquelle la surface interne du carbone poreux est comprise entre 300 et 2000 m2/g et/ou la densité est comprise entre 0,2 et 0,6 g/cm3 et la taille des pores est comprise en moyenne entre 1 mm et 50 nm.
  6. Utilisation selon l'une des revendications précédentes, dans laquelle l'additif est incorporé dans des produits de concassage contenant de la lignocellulose, puis les produits de concassage contenant de la lignocellulose mélangés à l'additif sont comprimés avec de la colle avec traitement thermique pour la fabrication des panneaux OSB.
  7. Utilisation selon l'une des revendications précédentes, dans laquelle la colle sans formaldéhyde utilisée est une colle à base d'isocyanates.
  8. Utilisation selon l'une des revendications précédentes, dans laquelle l'additif est ajouté avant le séchage et/ou après le séchage et/ou lors de l'encollage et/ou avant ou après l'encollage.
  9. Utilisation selon l'une des revendications précédentes, dans laquelle le charbon actif est ajouté sous forme de poudre, de granulés, de suspension et/ou de dispersion, de préférence sous forme de granulés de poudre sous forme solide.
EP13792612.7A 2012-11-06 2013-11-06 Procédé destiné à la réduction de l'émission de composés organiques volatiles à partir de matières dérivées du bois et matières dérivées du bois Active EP2917008B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13792612.7A EP2917008B1 (fr) 2012-11-06 2013-11-06 Procédé destiné à la réduction de l'émission de composés organiques volatiles à partir de matières dérivées du bois et matières dérivées du bois

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12191376.8A EP2727691B1 (fr) 2012-11-06 2012-11-06 Procédé destiné à la réduction de l'émission de composés organiques volatiles à partir de matières dérivées du bois et matières dérivées du bois
PCT/EP2013/073090 WO2014072304A1 (fr) 2012-11-06 2013-11-06 Procédés permettant de réduire l'émission de composés organiques volatils provenant de matériaux dérivés du bois, et matériaux dérivés du bois
EP13792612.7A EP2917008B1 (fr) 2012-11-06 2013-11-06 Procédé destiné à la réduction de l'émission de composés organiques volatiles à partir de matières dérivées du bois et matières dérivées du bois

Publications (3)

Publication Number Publication Date
EP2917008A1 EP2917008A1 (fr) 2015-09-16
EP2917008B1 true EP2917008B1 (fr) 2023-06-07
EP2917008C0 EP2917008C0 (fr) 2023-06-07

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EP12191376.8A Revoked EP2727691B1 (fr) 2012-11-06 2012-11-06 Procédé destiné à la réduction de l'émission de composés organiques volatiles à partir de matières dérivées du bois et matières dérivées du bois
EP13792612.7A Active EP2917008B1 (fr) 2012-11-06 2013-11-06 Procédé destiné à la réduction de l'émission de composés organiques volatiles à partir de matières dérivées du bois et matières dérivées du bois

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EP12191376.8A Revoked EP2727691B1 (fr) 2012-11-06 2012-11-06 Procédé destiné à la réduction de l'émission de composés organiques volatiles à partir de matières dérivées du bois et matières dérivées du bois

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Country Link
US (1) US9895824B2 (fr)
EP (2) EP2727691B1 (fr)
JP (1) JP6293769B2 (fr)
CN (1) CN104781055A (fr)
BR (1) BR112015009351A2 (fr)
CA (1) CA2886475C (fr)
ES (2) ES2529356T3 (fr)
HU (2) HUE024531T2 (fr)
PL (2) PL2727691T3 (fr)
PT (1) PT2727691E (fr)
RU (1) RU2661361C2 (fr)
SI (1) SI2727691T1 (fr)
UA (1) UA117817C2 (fr)
WO (1) WO2014072304A1 (fr)

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US9234355B2 (en) * 2012-05-31 2016-01-12 Huber Engineered Woods Llc Insulated sheathing panel and methods for use and manufacture thereof
ES2529356T3 (es) * 2012-11-06 2015-02-19 Kronotec Ag Procedimiento para reducir la emisión de compuestos orgánicos volátiles procedentes de derivados de la madera y derivados de la madera
PL3147093T3 (pl) * 2015-09-24 2019-04-30 SWISS KRONO Tec AG Sposób redukcji emisji lotnych związków organicznych z materiałów drewnopochodnych i materiały drewnopochodne
CN105235023B (zh) * 2015-10-22 2017-10-27 刘保奎 一种生态板材及其制造方法
DE102016004570B3 (de) 2016-04-19 2017-10-05 Wind Plus Sonne Gmbh Plattenwerkstoffe, Verbundwerkstoffe und Verbundmaterialien auf der Bais von separierter Gülle oder von Holz und separierter Gülle
ES2904805T3 (es) * 2017-04-25 2022-04-06 SWISS KRONO Tec AG Plancha de materia derivada de la madera OSB
JP6846811B2 (ja) * 2018-03-07 2021-03-24 国立研究開発法人森林研究・整備機構 樹木材料のリグノセルロースを原料としたアルコール飲料及びその製造方法
CN109333744A (zh) * 2018-10-19 2019-02-15 杨东旭 一种添加有活性炭的中高密度板及其添加活性炭的方法
US20220306840A1 (en) * 2019-06-13 2022-09-29 Toyo Seikan Group Holdings, Ltd. Cellulose nanocrystal-containing resin composition
JP7015857B2 (ja) * 2019-12-18 2022-02-03 南▲寧▼科天水性科技有限▲責▼任公司 木質材料複合板及びその製造方法

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US20150298346A1 (en) 2015-10-22
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CA2886475A1 (fr) 2014-05-15
EP2727691B1 (fr) 2014-12-10
UA117817C2 (uk) 2018-10-10
BR112015009351A2 (pt) 2017-07-04
PL2917008T3 (pl) 2023-10-16
HUE064134T2 (hu) 2024-03-28
CN104781055A (zh) 2015-07-15
HUE024531T2 (en) 2016-01-28
US9895824B2 (en) 2018-02-20
JP2015533353A (ja) 2015-11-24
WO2014072304A1 (fr) 2014-05-15
PT2727691E (pt) 2015-03-20
RU2661361C2 (ru) 2018-07-16
SI2727691T1 (sl) 2015-04-30
ES2954071T3 (es) 2023-11-20
EP2917008A1 (fr) 2015-09-16
EP2917008C0 (fr) 2023-06-07
EP2727691A1 (fr) 2014-05-07
PL2727691T3 (pl) 2015-04-30
JP6293769B2 (ja) 2018-03-14
RU2015121571A (ru) 2016-12-27

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