Abstract: A process for treating wood strands suitable for producing OSBs includes treating the wood strands in water at a temperature in the range from 50° C. to 100° C. The present invention likewise relates to a process for producing wood-based OSBs, in particular wood-based OSBs having reduced emission of volatile organic compounds (VOCs), including: a) production of wood strands from suitable timbers; b) treatment of at least part of the wood strands with water; c) drying of the wood strands which have been treated with the water; d) coating of the wood strands which have been treated with water and dried and coating of wood strands which have not been treated with water with at least one binder; e) scattering of the glue-coated wood strands on a conveyor belt; and f) pressing of the glue-coated wood strands to give a wood-based OSB.

Abstract: The invention relates to a composite board composed of wood material, comprising a middle layer composed of plywood, wherein the middle layer is connected to at least one outer layer composed of fiberboard. In order to provide an economically producible composite board having improved strength properties, an artificial resin-impregnated paper according to the invention is arranged between the middle layer and the outer layer. The invention further relates to a method for producing the composite board composed of wood material.

Abstract: The invention relates to a method for producing OSB wood material panels, in particular OSB wood material panels having reduced emission of volatile organic compounds (VOCs), including the following steps: a) producing wood strands from suitable woods; b) torrefying at least some of the wood strands; c) glue-coating the torrefied wood strands and non-torrefied wood strands with at least one binder; d) scattering the glue-coated wood strands onto a conveyor belt; and e) pressing the glue-coated wood strands to form a wood material panel. The invention further relates to an OSB wood material panel that can be produced in accordance with said method and to the use of torrefied wood strands to reduce the emission of VOCs from OSB wood material panels.

Abstract: The invention relates to an adhesive bond between two elements each having a dried adhesive film (26, 34) of a one-component adhesive applied to it in the factory, wherein the adhesive films (26, 34) have merged into a single adhesive layer, and further including a mechanical draw-out resistance element extending from a first element of the two elements toward a second element of the two elements.

Abstract: The present invention relates to a method for producing wood materials from lignocellulose-containing crushed products, in particular for producing wooden insulating panels or OSB boards, wherein in order to decrease or reduce the emission of volatile organic compounds (VOC) and, if relevant, very volatile organic compounds (VVOC), including terpenes, acids and aldehydes, said wood materials are treated with a combination of additives during production. According to the invention, the treatment is carried out with a first component made of porous carbon and a second component, a hydrogen sulphite salt. The invention further relates to wood materials that can be obtained using the method according to the invention, having reduced emissions of VOCs, including terpenes, acids and aldehydes.

Abstract: The disclosure relates to a wood material panel pressing device for pressing a fibrous press cake in order to produce a wood material panel, including an inspection device that is designed to emit a signal in the event of a disruption. According to the disclosure, the inspection device has a camera and an evaluation unit, the camera is arranged in an intake region of the wood material panel pressing device and the evaluation unit is designed to automatically carry out a method featuring the steps: (i) continuous recording of images (B) of the intake region, (ii) continuous detection of measurement data for evaluation region pixels of images (B), which belong to a predefined evaluation region comprising at least one region bordering a target horizontal of the fibrous press cake at the top, such that evaluation data is obtained, and (iii) emission of a signal if the evaluation data changes by more than a predefined tolerance value (DT).

Abstract: A method for producing an engineered wood board. The method includes production of the substrate and application of a fluid to an application area of the substrate by means of an applicator, where the monitoring of the application occurs by means of an infra-red camera such that an inhomogeneity of the application can be detected.

Abstract: A method for producing wood material boards with reduced emission of volatile organic compounds (VOCs), including: a) producing woodchips from suitable timbers; b) heat-treating at least one portion of the woodchips at a temperature between 150° C. and 300° C. for a period of 1 to 5 hours; c) crushing the wood chips that are not heat-treated and at least one portion of the heat-treated woodchips by machining in order to obtain wood shavings or by solubilizing in order to obtain wood fibers; d) gluing the wood shavings or wood fibers with at least one binding agent; e) applying the glued wood shavings onto a transport belt while forming a multi-layered shavings cake or applying the glued wood fibers onto a transport belt while forming a single-layer fiber cake; and f) compressing the shavings cake or the fiber cake to form a wood material board.

Abstract: A composite board composed of wood material with a middle layer (4) made of chipboard, wherein the middle layer is connected to at least one outer layer (2, 6) composed of fiberboard, wherein an artificial-resin-impregnated paper (3, 5 ) is arranged between the middle layer and the outer layer.

Abstract: A carrier material has a resin layer arranged on a side of the carrier material.

Abstract: The invention relates to a composite board composed of wood material, comprising a middle layer composed of plywood, wherein the middle layer is connected to at least one outer layer composed of fiberboard. In order to provide an economically producible composite board having improved strength properties, an artificial resin-impregnated paper according to the invention is arranged between the middle layer and the outer layer. The invention further relates to a method for producing the composite board composed of wood material.

Abstract: A method of producing wood-base panels, especially OSB wood-base panels is provided. The method including the steps of providing wood strands, applying at least one adhesive system to the wood strands having at least one polymer adhesive and at least one nanoparticle below 500 nm, and pressing the wood strands admixed with the adhesive system to form wood-base panels.

Abstract: The present invention relates to a binder composition, in particular for wooden composite boards, obtainable from a binder composition, in particular for wooden composite boards obtainable from at least one polymer adhesive, at least one polyalcohol compound, at least one compound of the general formula (I) RaSiX(4?a)??(I), or the general formula (II) ObXc(OH)dReSiO(4-b-c-d-e)/2??(II). The present invention relates also to a wooden composite board containing said binder composition.

Abstract: The present invention relates to a method for producing wood materials from lignocellulose-containing crushed products, in particular for producing wooden insulating panels or OSB boards, wherein in order to decrease or reduce the emission of volatile organic compounds (VOC) and, if relevant, very volatile organic compounds (VVOC), including terpenes, acids and aldehydes, said wood materials are treated with a combination of additives during production. According to the invention, the treatment is carried out with a first component made of porous carbon and a second component, a hydrogen sulphite salt. The invention further relates to wood materials that can be obtained using the method according to the invention, having reduced emissions of VOCs, including terpenes, acids and aldehydes.

Abstract: A composite board composed of wood material with a middle layer (4) made of chipboard, wherein the middle layer is connected to at least one outer layer (2, 6) composed of fiberboard, wherein an artificial-resin-impregnated paper (3, 5) is arranged between the middle layer and the outer layer.

Abstract: A process for production of wood-base materials from lignocellulosic comminution product is disclosed. The wood-base materials are treated with at least one additive in the course of their production to reduce or diminish the emission of volatile organic compounds (VOCs) and, optionally, very volatile organic compounds (VVOCs), in particular terpenes and acids. The treatment is effected with one additive, being a porous carbon, like activated carbon. In another aspect, the present application is directed to the use of porous carbon, in particular, activated carbon, to reduce or diminish the emission of VOC, and optionally, VVOC, to reduce or diminish the emission of terpene and acids and aldehydes. Also, wood-base materials which are obtainable with the process or wood-based materials produced by using the additives mentioned above and which have reduced emission of VOCs, in particular terpenes and acids but also aldehydes are disclosed.

Abstract: A panel has an upper side facing the room in the use position and a lower side facing the floor. The lower side is coated, at least in sections, with a bonding layer composed of polymer. The bonding layer has an uneven surface on the outer side facing away from the panel, and has been coated at least in sections with a damping layer composed of polymer. A covering composed of panels, a process and an apparatus for producing the panels are also described.

Abstract: The present invention relates to new formulations for adhesive compositions and also to adhesive compositions particularly for a hybrid adhesive comprising at least one mixture of an amino resin and at least one polyether, and the combination of this mixture with isocyanate, and also to the use of polyethers in adhesives based on amino resins. These adhesive compositions are especially suitable for use as adhesives for woodbase materials, more particularly OSB boards, fiberboards, or chipboards. In a further aspect the present invention relates to processes for producing such woodbase materials from lignocellulosic products of comminution, more particularly to processes for producing OSB boards, wood fiberboards, or chipboards, where the lignocellulosic products of comminution are contacted with the adhesive composition of the invention and subsequently the woodbase materials are obtained by pressing with heat treatment. Lastly, the present invention is directed to woodbase materials obtainable accordingly.

Abstract: A wood material board hot-pressing system with a primary circuit includes a supply pipe for discharging of hot heat transfer fluid from a heat generator and a return pipe for supplying cooled heat transfer fluid to the heat generator. A secondary circuit features a pressing device for pressing wood material boards. A supply channel supplies heat transfer fluid to the pressing device and a return channel returns cooled heat transfer fluid to the primary circuit. A controlling device contains a control valve and is configured to control a flow of heat transfer fluid from the primary circuit to the secondary circuit. A secondary circulation pump with variable output is set up to circulate the heat transfer fluid in the secondary circuit. The controlling device features a heat output recording device and is configured to automatically control a level of heat output (P) supplied to the pressing device.