Abstract: The present disclosure provides a method for recycling urea-formaldehyde (UF) from a wood-based panel. In the present disclosure, the UF is depolymerized by an ultrasonic treatment, and depolymerized UF can be reused for UF manufacture and wood-based panel production. The recycled and treated UF can be repeatedly used in wood-based panel manufacture without affecting performances of the wood-based panel. UF-glued wood-based panels can be recycled, and a recycled wood-based panel raw material can replace at least 50% of a non-recycled wood-based raw material for particle board production without affecting performances of the wood-based panel.

Abstract: A method of producing a veneered element, including providing a substrate, applying a sub-layer on a surface of the substrate, applying a veneer layer on the sub-layer, and applying pressure to the veneer layer and/or the substrate, such that at least a portion of the sub-layer permeates through the veneer layer. Also, such a veneered element.

Abstract: A substrate for use with alcohol inks has a vinyl coating on one side of a stiff board, and optionally on both sides. The vinyl surface is ideal for painting with alcohol inks to achieve effects preferred by many artists.

Abstract: A method and a mineral wool product include a multiple of lamellae, such as a sandwich panel core. The product includes a plurality of lamellae cut from a mineral wool web, and bonded together by applying an adhesive on the surfaces of two adjacent lamellae to form a web-like product, wherein the adhesive comprises at least one hydrocolloid.

Abstract: A novel method of improving the water and leaching resistances and durability of a fire retardant-treated wood product by using a chemical fire retardant composition in which crosslinking polyvinyl acetate (XPAVc or X-PVAc) is applied as a protective coating on wood over the fire retardant layer. An additional crosslinking polyvinyl acetate coating layer or one or more layers of acrylic, alkyd, epoxy, lacquer, polyester, polyurethane, silicone coatings, vinyl ester, or the like may further cover the cured crosslinking polyvinyl acetate primer and then dried or cured.

Abstract: A pipe covering assembly covers a gap defined between an exterior surface of a pipe and an opening in a wall through which the pipe extends. The pipe covering assembly includes a substrate layer having a through-hole for receiving the pipe, a front surface and a rear surface. A mesh material layer is either attached to or contained within the substrate layer. An adhesive layer is directly applied to the rear surface of the substrate layer, wherein the adhesive layer includes an adhesive that is configured to be applied to the wall and the pipe. A plurality of concentric rings are either printed on the front surface of the substrate layer or disposed on a layer that is applied to the front surface of the substrate layer, each ring of the concentric ring corresponding to a pre-determined pipe diameter.

Abstract: A method of removing a sulfide-containing scale from a wellbore, pipe, or other metal-containing surface associated with an oil or gas well is provided. The method includes contacting the sulfide-containing scale with a de-scaler solution including an aqueous solvent, an acid and a hydrogen sulfide scavenger. The hydrogen sulfide scavenger includes particles of a manganese oxide supported on a porous support. The particles are suspended in the aqueous solvent. The method includes reacting the acid with the sulfide-containing scale to produce hydrogen sulfide. The method further includes reacting the hydrogen sulfide in the wellbore with the manganese oxide to form a manganese sulfide.

Abstract: A method of drilling a subterranean geological formation is described. The method includes driving a drill bit to form a wellbore in the subterranean geological formation thereby producing a formation fluid including hydrogen sulfide. The method further includes injecting a drilling fluid into the subterranean geological formation through the wellbore. The drilling fluid includes an aqueous solvent, a hydrogen sulfide scavenger including particles of a manganese oxide supported on a porous support. The particles are suspended in the aqueous solvent. The method further includes reacting the hydrogen sulfide scavenger with the hydrogen sulfide present in the formation fluid to form a manganese sulfide.

Abstract: A method of securing a first component part and a second component part together, the method comprising providing an electrically conductive member between a first surface of the first component part and a facing first surface of the second component part and securing the first and second components together by passing a current through the electrically conductive member. The electrically conductive member is distributed across at least 50% of the surface area of the first surface of the first component part.

Abstract: A combination of materials that may be formed through an extrusion process. The resulting product has at least two layers. By coextruding multiple layers of at least two types of materials together, the final product may have improved mechanical, thermal, electrical, and other properties as compared to the original materials used. Additionally, by using an additive, filler, or doping material in at least one layer of the final product during the extrusion process, the mechanical, thermal, electrical, or other properties of the final product may be further improved.

Abstract: A method of producing a board for production of panels is provided comprising: providing particulate material comprising or consisting of particulate wooden material, producing glued particulate material by applying an adhesive to the particulate material, forming a spreading material mat by homogeneously spreading the glued particulate material onto a conveyor on which the spread glued particulate material is conveyed in a conveying direction, and producing a board by pressing the spreading material mat. A reinforcement material is applied to the spread glued particulate material parallel to the conveying direction during forming the spreading material mat and/or after forming the spreading material mat before any pressing of the spreading material mat such that the spreading material mat has at least one longitudinal reinforcement zone containing the reinforcement material. Boards can be obtained from which panels can be produced which have reinforced longitudinal and/or transversal edges.

Abstract: The present invention relates to a method for the production of a coated paper, paperboard or film, wherein the method comprises the steps of; providing a first suspension comprising cellulose fibers, applying the first suspension on a substrate to form a fibrous web, wherein the web has a first and a second side, providing a second suspension comprising micro fibrillated cellulose, applying the second suspension either to the first side of the fibrous web or to a surface of a drying equipment and conducting said fibrous web through the drying equipment whereby the second suspension is added to the first side of the web forming the coated paper, paperboard or film. The invention also relates to a paper, paperboard or film produced according to the method.

Abstract: In some examples, a method of manufacturing a densified wood transaction instrument includes boiling a sheet of wood in a chemical solution, compressing the boiled sheet of wood using a die in a press to form one or more features in the sheet of wood, during the compressing of the boiled sheet of wood, heating the boiled sheet of wood to create a sheet of densified wood, and attaching one or more payment elements to at least one of the one or more features formed in the sheet of densified wood to form a sheet of one or more densified wood transaction instruments.

Abstract: A novel method of improving the water and leaching resistances and durability of a fire retardant-treated wood product by using a chemical fire retardant composition in which crosslinking polyvinyl acetate (XPAVc or X-PVAc) is applied as a protective coating on wood over the fire retardant layer. An additional crosslinking polyvinyl acetate coating layer or one or more layers of acrylic, alkyd, epoxy, lacquer, polyester, polyurethane, silicone coatings, vinyl ester, or the like may further cover the cured crosslinking polyvinyl acetate primer and then dried or cured.

Abstract: In some examples, a method of manufacturing a densified wood transaction instrument includes boiling a sheet of wood in a chemical solution, compressing the boiled sheet of wood using a die in a press to form one or more features in the sheet of wood, during the compressing of the boiled sheet of wood, heating the boiled sheet of wood to create a sheet of densified wood, and attaching one or more payment elements to at least one of the one or more features formed in the sheet of densified wood to form a sheet of one or more densified wood transaction instruments.

Abstract: Disclosed is the integration of the production of acetic anhydride from ketene, and the acetylation of wood using acetylation fluid comprising acetic acid and acetic anhydride. The invention involves directly using raw acetic anhydride as obtained in the production thereof from ketene, as a wood acetylation fluid.

Abstract: Disclosed is the integration of the production of acetic anhydride from ketene, and the acetylation of wood using acetylation fluid comprising acetic acid and acetic anhydride. The invention involves combining acetic acid obtained from distillation of acetylation fluid with a residual aqueous acetic acid stream as obtained from ketene production.

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 method of manufacturing a timber composite (7) is disclosed. The method comprises the steps of applying adhesive to one or more timber layers (23-226), applying pressure to the one or more timber layers, and heating the timber layers. The adhesive penetrates into the one or more timber layers and cures to form the timber composite (7). One or more spacers (332) may be positioned between the timber layers. The invention also related to timber composite (7) obtainable by such method and to decorative panels (1) comprising such timber composite (7) as a top layer.

Abstract: The present disclosure provides a stable aqueous composition comprising an aqueous component, a hydrophobic complex comprised of a multivalent metal salt complexed with nanocellulose fibers and lignin, with the composition exhibiting a viscosity sufficient to prevent coalescing and settling of the hydrophobic complex in the aqueous component. The composition may be used to coat surfaces of articles to produce a hydrophobic surface. Once applied to the surface, the aqueous coating is spread to form a wet film covering the surface and is then dewatered and dried to produce a dried hydrophobic coating.

Abstract: Resin systems and methods for making and using same are provided. The method for making a paper product can include contacting a plurality of pulp fibers with a resin system. The resin system can include a first polyamidoamine-epihalohydrin resin and a second resin that can include a second polyamidoamine-epihalohydrin resin, a urea-formaldehyde resin, or a mixture thereof to produce a paper product. The first resin and the second resin can be sequentially or simultaneously contacted with the plurality of pulp fibers. The period for sequential addition between the first resin and the second resin is about 1 second to about 1 hour.

Abstract: The present disclosure relates to polymer coating compositions that comprise at least one thermoplastic resin, at least one opacity modifier, at least one gloss modifier, and at least one impact modifier, articles at least partially coated with the polymer coating composition, paintable polymer coated articles and method for making the polymer coated and painted polymer coated articles. These compositions exhibit enhanced paintability (including paintability with water-based paints) and mechanical properties for fabrication (cutting, nailing, routing, etc.), while maintaining acceptable visual appearance, such as, for example, opacity, gloss, surface appearance, and surface roughness.

Abstract: The present invention relates to a low-tension cover layer intended for a laminate material and comprising a resin-impregnated, printed or unprinted decorative paper or comprising a resin-impregnated overlay paper or comprising a combination of the two, where the resin in each case comprises a mixture of at least one aminoplastic resin and at least one water-soluble or water-dispersible synthetic polymer selected from the group consisting of polyvinyl resin, polyvinyl acetate, and polyvinyl alcohol. The invention further relates to the use of the low-tension cover layer of the invention for the construction of a laminate material with appropriate balancing.

Abstract: The present invention provides a method of protecting wood or other celiulosic material from decay by copper-tolerant fungi, and wood preservative formulations for use in the same. The wood preservative formulations comprise a biocidal metal compound, a 1,2,4-triazole and a didecyl quaternary ammonium cation. Didecyldimethyl quaternary ammonium compounds are particularly preferred.

Abstract: Compositions and devices for the production of treated wood products are disclosed. A moisture exchange container for treating a plurality of wood pieces with a chemical formulation of interest is described. Also, an adhesive suitable for gluing wood pieces that have been treated, or that are going to be treated, with a chemical formulation of interest is described. Also disclosed are methods and systems using the devices and compositions of the present invention, and treated wood products.

Abstract: The invention relates to a process for applying a fire-protection coating to a substrate using a process comprising the steps of applying a first clearcoat layer to the substrate, applying an intumescent fire-protection layer to the first clearcoat layer, and applying a second clearcoat layer to the intumescent fire-protection layer.

Abstract: The present invention relates to a filler material for a floor, comprising a natural base material and a mixture containing loess and a resin in powder or pellet form, as well as to a method for producing the filler material. The filler material of the present invention uses the natural base material and is thus environmentally-friendly and not harmful to the human body. Further, in the event rice husks are used as the natural base material, a person slipping on the floor is protected from burning caused by friction as the rice husks have a high moisture content. In addition, the loess contained in the filler material keeps the floor from becoming moldy and emits far infrared radiation, and therefore is beneficial to the human body. The resin emulsion of the filler material prevents the natural base material from generating dust, thus preventing dust from entering the human body via the respiratory organs of the human body.

Abstract: Reinforced wood flooring according to one embodiment includes: a surface layer having a plurality of wood sheets and a resin-impregnated paper sheet interposed between the wood sheets, in which each of the wood sheets has a predetermined thickness and a plate shape, and the wood sheets and the resin-impregnated paper sheets are bonded together into a unitary body through hot-pressing; an adhesive layer formed beneath the surface layer to serve as an adhesive; and a plywood arranged beneath the adhesive layer and attached to a lower side of the surface layer by the adhesive lay.

Abstract: The present invention relates to a liquid adhesive composition comprising a partly hydrolyzed protein component, having a degree of hydrolysis (DH) in the range 0.2-2; a metal silicate component; optionally, an exogenic protein hydrolyzing component; and wherein the liquid adhesive composition has a solid content in the range 15-80% by weight.

Abstract: Coatings, coating compositions and coating suspensions that contain solar reflective and/or shielding components for use in coating substrates such as cellulosic fiberboard construction materials. The coatings may vary in color from pink to red or from yellow to orange depending on which colorant or solar reflective pigment is used or combinations of colorants and solar reflective pigments is used. Methods of making and using the coatings and coating compositions/suspensions are also provided.

Abstract: Wood preservatives, methods for protecting wood and wood-based products and/or structures utilizing the preservatives, and treated wood and wood-based articles and/or structures incorporating the preservatives are described. Methods are also provided for remediating structures already infected with mold. The subject wood preservative formulation includes a borate compound and a fatty acid. The addition of an emulsifier to the formulation further facilitates application of the treatment. The combination of a borate compound and fatty acid combination typically provide a synergistic effect compared to the additive result provided by the combination's individual components.

Abstract: Disclosed is a wood preservative composition comprising: an ester of boric acid; pentachlorophenol (PCP); and American Wood Preservative Association's (AWPA) P9 Type A solvent. The composition is useful for reducing insect and microbial decay in wood. Further disclosed are methods of making and using such compositions.

Abstract: The present application relates to wood preservation, for example, surfactants and phospholipids for improving wood preservation. Included are surfactants and phospholipids containing a 2-amino-N,N-dimethylacetamide. Provided are wood preservative compositions containing these surfactants or phospholipids, methods of applying such wood preservative compositions to wood, and wood products resultant from some such methods. Also provided are wood products containing the wood preservative compositions provided herein.

Abstract: Porous wood-based lignocellulosic material is modified by incorporating into its pore matrix a bonded silica filling. An immobilized-silica precursor such as a water-glass solution of silica subunits or a colloidal silica is used to produce the filling, such as by immersion of the lignocellulosic material therein. The impermeable wood-based lignocellulosic material produced thereby is inflammable and impermeable to penetration by fluids and pests.

Abstract: A composite wood product containing acetylated wood elements characterized by an average value in thickness swelling not exceeding 5% after subjection to 25 wet-dry/freeze-thaw cycles as described in Table II. Alternative characterizations include moduli of elasticity and rupture, and bending strength. A two stage process for the acetylation of wood elements is also described.

Abstract: The instant invention relates to a method for the color stabilization of cork and specific colored woods by the combined use of a small amount of inorganic UV-absorbers and an excess of organic UV-absorbers in a protective coating. A further aspect of the invention is the use of such a UV-absorber combination for the color stabilization of cork and specific colored woods.

Abstract: Disclosed are certain partially fluorinated amide compounds and composite materials containing the compounds. Also disclosed are methods for making the composite materials.

Abstract: Exemplary fire resistant construction members disclosed herein can comprise an engineered wood product I-joist and at least two panels comprising gypsum board secured to the I-joist. The member can comprise a first gypsum board panel secured to a first side of the member and a second gypsum board panel secured to a second, opposite side of the member. In some embodiments, gypsum board panels are secured to opposite sides of a web of the I-joist. In some embodiments, gypsum board panels are secured to opposite sides of upper and lower flanges of the I-joist.

Abstract: A method for forming a laminate structure is provided. The method includes selecting a sheet layer that includes a melamine-based resin and selecting a substrate that includes wood, phenolic resin, zinc borate, and a water repellant agent. Heat and pressure are applied to the sheet layer and substrate at a temperature of from about 339° F. to 375° F., at a pressure of from about 23 bar to about 35 bar, and for a predetermined duration of from about 12 seconds to about 22 seconds. The sheet layer is then coupled to the substrate to form the laminate structure.

Abstract: The invention relates to a wood substrate rendered flame-retardant. The invention provides that on the substrate there is a coating and/or impregnation system with a flame retardant selected from the group consisting of room-temperature-liquid organic halogen compounds and organic phosphorus compounds and organic boron compounds, and that there is also a layer of coating material applied thereto.

Abstract: The invention relates to a composition for treating wood comprising at least one wood preserving compound and a carrier, wherein said carrier is an emulsion or microemulsion having a water to oil ratio of greater than 30 up to 92.5 water to 7.5 to less than 70 oil, wherein the oil has a flash point above 61° C. The invention also relates to methods of treating wood with the composition.

Abstract: A wet friction member contains a pulverized cork heated to 150-200° C. if necessary. The pulverized cork is mixed with other papermaking materials and formed into a paper-made substrate. The paper-made substrate is impregnated with a synthetic resin to be a binder and heated and cured. The cork itself has a high friction coefficient ?. Moreover, a powder thereof increases surface area and area in contact with a separator plate of a counter member, thereby improving a friction coefficient of a friction surface of the wet friction member. The friction coefficient of the cork itself and capacities for absorbing and discharging oil are improved by heating the cork. Thus, there is provided a wet friction member that has a higher friction coefficient ?. An increase in the friction coefficient ?, weight reduction by reducing the number of friction members, and high efficiency are achieved when used as a wet friction member.

Abstract: Building panels with a homogenous decorative surface having a wear layer comprising fibres, binders and wear resistant particles.

Abstract: Provided herein are multi-layered structures comprising coated substrates, and methods for producing the layered structures provided. Coatings according to the disclosure are provided in greatly reduced time frames as compared to coatings of the prior art. Coating structures as provided herein can be applied to a substrate such as a garage floor, a truck bed, railcar, seatainer, tractor-trailers and the like within a single day, and are sufficiently cured to withstand heavy traffic such as motorized vehicle traffic in as little as two hours after application of the polymer precursor layer material employed.

Abstract: A method and apparatus for coating reactive polymer pre-impregnated reinforcement material (prepregs). The method comprising continuously applying particles of a reactive thermoplastic resin to a first surface of a porous substrate, followed by continuously coating the reactive polymer prepreg. An apparatus for coating reactive polymer pre-impregnated reinforcement material (prepregs), comprising: feeder roll(s) of reinforcement material, receiver roll(s) of drapable polymer pre-impregnated reinforcement material, a conveyor belt having the reinforcement material from the feeder roll thereon, and deposition units for depositing the coating.

Abstract: The present invention is directed to wood preservative compositions, methods of treating wood, and wood that has been treated with the preservative, which includes injectable particles comprising one or more sparingly soluble copper salts. The copper-based particles are sufficiently insoluble so as to not be easily removed by leaching but are sufficiently soluble to exhibit toxicity to primary organisms primarily responsible for the decay of the wood. Exemplary particles contain for example copper hydroxide, basic copper carbonate, copper carbonate, basic copper sulfates including particularly tribasic copper sulfate, basic copper nitrates, copper oxychlorides, copper borates, basic copper borates, and mixtures thereof. The particles typically have a size distribution in which at least 50% of particles have a diameter smaller than 0.25 ?m, 0.2 ?m, or 0.15 ?m. At least about 20% and even more than 75% of the weight of the particles may be composed of the substantially crystalline copper salt.

Abstract: A stain blocking water borne coating composition is disclosed, said composition comprising (a) a styrene acrylic resin and, (b) a substituted styrene acrylate copolymer, wherein, by weight, said styrene acrylic resin is provided in excess of said substituted styrene acrylate copolymer. A method is also disclosed whereby this water-borne coating composition is applied to a substrate comprising water extractable staining agents, such as a tannin-containing open grain natural wood.

Abstract: Disclosed is a window profile provided with a skin layer which a co-extrusion resin composition is dual-extruded on one surface of a profile extruded from a main extruder, wherein the co-extrusion resin composition contains wood fiber. The co-extrusion resin composition comprises a first raw material for forming a base color, a second raw material for forming a mid-tone color, and a third raw material for forming a high-tone color. According to the present invention as described above, the skin layer is integrally formed with one side of the profile by the co-extrusion, and thus it is possible to provide the texture of natural wood and thus a luxurious atmosphere. Further, in the window profile, various colors can be naturally expressed on the skin layer of the window profile so as to be distinguished from each other, the embo-patterns are formed into two steps, the repetition period of the patterns becomes long and the like, and thus it is possible to provide the graphicness similar to natural wood.

Abstract: A plywood flooring including a plywood as a substrate, where the plywood is heat-compressive treated in a density of 0.6 to 1.0 g/cm3 and is impregnated with a synthetic resin having a viscosity of 100 to 20,000 cp, which has both of the advantages of reinforced floorboards and the advantages of plywood floorboards.

Abstract: A barrier suitable for use in building construction materials. The barrier is formed from a plurality of members. Each member has a heat-resistant core or shell, a heat-reactive intumescent or flame retardant layer formed on an outer surface of the heat-resistant core, an antistatic and oil-phobic layer formed on an outer surface of the heat-reactive intumescent layer.