Manufacture of thickness-swelling-reduced hard-and-medium-density fiber board involves removing water from lignocellulose, pulping lignocellulose in refiner with addition of timber fibers to polymeric material and pressing fibrous mats
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Medium-density fiberboard manufacturing method, involves performing disintegration of fiber plates in presence of accelerator provided for alkaline hardening phenol formaldehyde resin and as potassium carbonate and/or sodium carbonate
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Method for producing moisture-resistant and hydrolysis-resistant medium density fiberboard from e.g. derived timber product, involves using chemicals for pulping, where chemicals partially or completely replace resin in gluing phase
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Process for the production of fiberboard with reduced formaldehyde emission, high moisture resistance and hydrolysis resistance of the gluing
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Process to manufacture medium density fiberboard by hot wash of heat-treated wood residues prior to fiber detachment
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Method of manufacturing moisture resistant fibreboards
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Preparation of tannin-bonded lignocellulose boards from used wood chips and fiberboard, useful in the production of reconstituted wood chipboard and fiberboard
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Production of boards used for furniture comprises compressing aminoplast resin-containing chips or fibers obtained by grinding used boards
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Production of tannin-containing binder, for use in manufacture of timber products, e.g. chipboard, involves extracting tannin-containing bark with hot water and heating used amino resin-bonded chipboard with extract
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Tannin-containing binder liquor for use along with other binders in chip- or fiber-board production, obtained by conventional extraction of bark and then using the extract to break down waste aminoplast-bonded wood materials
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Production of binder liquor from tannin-containing bark, for use e.g. in the production of fiberboard, involves pulping bark in hot aqueous medium with ground, used fiberboard containing amino-resin binder
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Production of light-colored medium-density fibreboard (MDF) from old fibreboard comprises treatment with sodium sulfite, conversion into pulp and feeding into the blow-line of an MDF plant
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Medium-density fiberboard production for chipboard and fiberboard involves sealing plates of used fibers or chippings with lignin-dissolving chemicals in an autoclave and pressing
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Production of medium density fiberboard materials uses structured heat levels and heat timings during wood fiber drying before they are treated with a bonding agent
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Extraction of tannin-containing plant-based raw material
