Abstract: A structural sheathing board has multiple functional benefits with respect to structural support, insulation and moisture barrier. A rigid expanded polystyrene core layer has a structural layer laminated to one face thereof and a facer layer laminated to its other face. Each of the structural and facer layers has a water resistant barrier layer laminated to the outside thereof. The water resistant barrier repels liquid water, but in one example, it may allow water vapor to pass through it.

Abstract: Gypsum board having a core, said core having at least one side covered with a non-woven fabric; characterized in that the inner side of the non-woven fabric, which is in contact with the core of the gypsum board, has a surface roughness Ra of from 25 to 60 micrometers, preferably from 25 to 50 micrometers, advantageously from 25 to 40 micrometers.

Abstract: A method of preparing a nucleic acid sample with target enrichment uses a reaction vessel, within which is added a chelating agent to a sample with heating to about 99° C. to provide a crude lysate. A PNA probe is provided at a concentration sufficient for binding and capture of discernible levels of target nucleic acid. The PNA probe may be attached to beads which are initially embedded in a wax body and are released during the heating so that the y are free to move and come into contact with the PNA probe and target DNA. After binding has occurred, the beads are magnetically attracted back into a pocket along with the wax, which is allowed to solidify before they are removed from the reaction vessel.

Abstract: Bio-composite pultruded products (100, 104, 107, 110, 114, 117) either in “I” profile or “Plate” profile of higher cross sectional area where said products consisting essentially natural fibres selected from hemp, jute, sisal and. flex as core impregnated with a resin system comprise of at least one resin, curing system comprising a curing agent and an accelerator, a filler, a thinner, pigment or any other additives; encapsulated between bi-directionally and/or uni-directionally oriented synthetic fabric selected from polyester, carbon, aramid, glass, basalt and mixtures thereof impregnated with said resin system are provided.

Abstract: The present invention relates to a lignin-based phenolic resin, particularly useful in the manufacture of oriented strand boards (OSB).

Abstract: A composition includes an infrared reflective additive having one or more infrared reflective colorants and a thermally emissive filler. The infrared reflective additive can be melt processed in a polymeric matrix.

Abstract: The method is carried out by means of the stacked deposition of a series of layers of fibers and/or particles with a binder material and/or other chemical additives on a conveyor belt until a multilayer mat is produced, in which the layers are physically different from one another. The method comprises: defining the final thickness and density of the board; defining the number of layers forming the board and the type of material to be used for each layer; selecting and preparing the constituent material of each layer to be formed; depositing, in a stacked and staggered manner, the layers previously defined according to weight per m2 of each layer; pre-compacting and, optionally, pre-heating the mat; compacting the mat using pressure and heat. The invention also relates to the board produced using said method for the production of a symmetrical or asymmetrical, stable board.

Abstract: A manufactured hemp product comprising a plurality of adhesively bonded and pressed hemp strands where the majority of the hemp strands are of generally the same length and comprise a naturally-occurring, generally elongate internal structure extending generally along one axis of the strand that has been at least partially laterally broken and at least permeated by an adhesive. The hemp strands are oriented roughly parallel to one another along their length. The manufactured hemp product comprises an amount of adhesive between about 5% to about 49% by weight. The manufactured hemp product can be used as a wood substitute in terms of appearance and performance. The manufactured hemp products may have aesthetic and structural qualities that are suitable for high traffic, high visibility applications such as boards, blocks, beams, panels, flooring, furniture, building materials and other wood products.

Abstract: The present invention relates to a method for producing laminate floorboards having edges following the natural curvature of veneer planks cut from timber planks with natural curvature. With the method laminate floorboards are obtained, each floorboard comprising a veneer plank glued onto a substrate, the contour of the substrate and the veneer corresponding with each other.

Abstract: The invention relates to a mineralized wood material comprising at least one metal salt MA in the lumina of the mineralized wood material, in particular in the lumina and the cell walls of the mineralized wood material and methods for providing said mineralized wood material.

Abstract: A process for producing a high utility wooden synthetic construction material, with a woodgrain appearance close to the texture of natural wood, which effectively uses waste in the form of a wood powder of plywood. A wood powder of plywood, manufactured by adding an adhesive to wood fibers or chips and pressurizing, and a thermoplastic synthetic resin are used as main raw materials. A material obtained by adding an auxiliary raw material to the main raw materials is heated and melted at 160° C. to 200° C., and then pelletized to obtain raw material pellets. The raw material pellets are loaded into an extrusion molding or an injection molding machine, without actively removing contained moisture derived from the wood powder of plywood and an adhesive component from the raw material pellets, heated and melted at 150° C. to 200° C., and extruded from the mold or injected into the mold.

Abstract: Provided is a wood fiber board, and a production method thereof, such that the wood fiber board contains no phenolic resin, is simple to produce, and exhibits flexural strength and water resistance comparable to those of wood fiber boards produced by incorporating a phenolic resin. The wood fiber board of the present invention has only wood fibers; a polyacrylamide resin being an amphoteric-ionic resin, which has monomers having cationic groups and monomers having anionic groups at a ratio of 7:3 to 3:7 on a mole ratio basis, and which has a molecular weight ranging from 800,000 to 3,000,000; and cationic paraffin. A method of producing a wood fiber board of the present invention involves preparing a slurry to a solids concentration ranging from 2 to 3 wt % and pH of 3 to 5, and adding only the polyacrylamide resin and paraffin to the slurry.

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: A new type environment-friendly tile and method of manufacturing the same, firstly, provide a multi bottom-fiber layer containing a environment-friendly water-borne resin; next, place a top wear-resistant layer made of thermoplastic polyurethane (TPU) on a top surface of said multi bottom-fiber layer, and perform hot pressing and lamination on them, so that said multi bottom-fiber layer is laminated and connected to said top wear-resistant layer utilizing said environment-friendly water-borne resin. The new type environment-friendly tile thus produced is not only light weight, and highly wear resistant, but its manufacturing method is also creative and innovative, and since it is made of environment-friendly material such as fiber and thermoplastic polyurethane (TPU), hereby realizing human health and environment protection requirements.

Abstract: Disclosed are panels of medium density fibreboard (MDF). The panels comprise wood fibres, the largest dimension of which is 7 mm or below, pressed together with an adhesive. The panels are of a large and thin type, having an aspect ratio of at least 100 and a surface area of at least 1 m2. Typical problems associated with such large and thin panels, e.g. warping behaviour, are addressed by employing wood fibres are made of acetylated wood.

Abstract: The present invention relates to a process for the production of bleached wood particles and a process for the production of pale to white wood-base materials which are produced from the bleached wood particles.

Abstract: The disclosure relates to a method for coating of a floor panel and a floor panel produced by the method. The disclosure relates to a method for producing a laminated product, for example a building panel, preferably a floor panel. The method comprises applying a paper on one side of a wood fiber based core, e.g. an HDF panel, creating a décor on the paper by a digital printing process, applying a resin, preferably a melamine formaldehyde resin, on the paper, heating the décor and the paper with the resin, preferably by using an IR lamp; and applying heat and pressure in order to cure the resin and thereby obtain a laminated product. The disclosure also relates to alternative methods for producing a laminated product, and such a laminated product.

Abstract: A wet laid basemat for an acoustical ceiling tile comprising on a dry weight basis, 50% or more mineral wool fiber, including shot, less than 9% binder, and between 5 and 20% chopped strand glass fiber, and, optionally, minor amounts of other constituents, whereby the chopped strand glass fibers serve to promote and/or maintain voids in the mat such that the dry basemat has a density of between about 7½ to about 10½ lbs. per cubic foot and an NRC substantially greater than 0.55.

Abstract: Fire-resistant OSB (oriented strand board) material consisting of a middle layer and two outer layers, wherein the layers primarily consist of bonded wood flakes. There are one or more fire-retardant agents in the middle layer and one or both outer layers, and the nature and/or the concentrations of them in the middle layer are different from the nature and/or the concentrations of them in one or both outer layers.

Abstract: A mold resistant gypsum panel having improved mold- and fungal-resistance to the gypsum panel facing paper is provided. Mold-resistant gypsum panels include a gypsum core formed from a gypsum slurry that has voids as a result of foaming of the gypsum slurry. A first paper is located on one side of the gypsum core and a second paper opposes the first paper. A first paper comprises at least one liner ply and at least one filler ply. A second paper also comprises at least one liner play and at least one filler ply. The first and second papers may be substantially the same. At least one of the first paper and the second paper also includes a biocide having 75% retention of the biocide. Also included in at least one of the first and second paper are a retention aid and a sizing agent.

Abstract: A mineral bonded Wood Strand Cement (usually Portland cement or Magnesite or Gypsum) Board which is produced from a mixture of wood strands or a similar fibre material, water, a suitable binder like cement, and possibly additives, which mixture is cured under pressure to form a board with a practically entirely closed surface. For the boards according to the invention, wood strands are being used that are broader and thinner than used until presently in acoustic Wood Wool Cement Boards. Moreover, the invention relates to a method of orienting wood strands and a production process for the production of such Wood Strand Cement Boards.

Abstract: A method for forming an engineered wood product from pulpwood, comprising providing a quantity of pulpwood; crushing and scrimming the pulpwood to form a mat; drying in a first drying step the mat in a first pass dryer; applying a resin to the mat; and, drying in a second drying step the mat in a second pass dryer. The drying process controls moisture content using the rate of change between the entering and exiting airflow temperature. The resulting product has a high modulus of elasticity and modulus of rupture.

Abstract: An oriented bamboo strand board and method for manufacturing the same are provided. The method includes: (a) cutting a bamboo stalk (4) into sections (6), and splitting each section (6) into 3-12 arc bamboo blanks (8) in the radial direction; (b) removing a outer surface part (10) and inner surface part (11) of the arc bamboo blank (8) by a thicknesser; (c) flaking the bamboo blank after removal of the outer surface part (10) and inner surface part (11) into bamboo flakes (14) with a thickness of 0.1-0.3 mm in the chordwise or substantially chordwise direction; (d) applying glue to the bamboo flakes (14) after drying, and orientedly spreading. The bamboo flakes have large width, break-resistance, good flatten characteristic and easy glue application, and the mechanical strength of produced oriented bamboo strand board is 1.5-1.

Abstract: Disclosed are wax emulsion compositions for curing or sealing concrete and cement formulations, methods for preparing and processes for using the same. The modifiers are applicable to curing or sealing membranes, used in roadways, highways, parking lots and other freshly placed or poured concrete surfaces to retain moisture and achieve high compressive strengths. This invention also relates to materials used to coat, spray, brush, roll etc. on conventional Portland cement concrete mix designs or other applied concrete mixes in formed structural shapes and transport road mix designs, providing an effective layer that controls and minimizes moisture loss from the mix to enable proper curing and achievement of desired compressive strengths. The compositions of the invention further provide for concrete and cement formulations having lower water soluble chloride content.

Abstract: Provided is a composition for preparing plant fiber composite has, by weight based on the whole composition: a plant fiber raw material in an amount ranging from 60% to 80%; a starch auxiliary in an amount ranging from 10% to 30%; and a biological polymer additive in amount ranging from 10% to 20%, wherein the biological polymer additive includes a plant hormone, an enzyme, a vinegar and an ester of lactic acid. Plant fiber composite prepared from the composition is also provided. The plant fiber composite is derived from recycled material for extrusion and modeling, as a non-toxic and harmless raw material with high utilizing rate of recycled material and substitutes for plastic materials. The plant fiber composite is applied to food container, packing materials for electronic device and agricultural products, seedling trays, or substitutes for timber in the field of building, decoration and furniture.

Abstract: Composite panels may be prepared using a moisture resistance additive having a formulation that includes a triglyceride having a saponification value of at least 150 and an iodine value of at least 35. The additive may be used in the form of a water emulsion. The water emulsion may be prepared by dispersing the components of the additive formulation under conditions sufficient to at least partially saponify the triglyceride. The moisture resistance additive can impart resistance to moisture absorption and thickness swelling to composite panels prepared therewith.

Abstract: A corrosion-resistant lath is provided for use in exterior finishing systems, such as stucco systems and exterior insulation and finish systems (“EIFS”). The lath includes in a first embodiment an open, woven fabric comprising weft and warp yarns containing non-metallic fibers, such as glass fibers. A portion of the weft yarns are undulated, resulting in an increased thickness for the fabric. The fabric is coated with a polymeric resin for substantially binding the weft yarns in the undulated condition. This invention also includes methods for making an exterior finish system and building wall including an exterior finish system using such a lath.

Abstract: A composite fiber and resin reinforcement for strength members for use in the composite wood industry. The composite fiber and resin reinforcement is a fiber reinforced polymer (FRP) composite comprising a thermoset polyurethane resin matrix and a plurality of fibers. Typical uses will be as a reinforcing material for wood laminates, such as wood support beams (glulam), truck floors and truss fabrication.

Abstract: The invention comprises an aqueous phenol-formaldehyde resole resin liquid fortified with powdered (e.g., spray dried) phenol-formaldehyde resole resin, preparing wood composites, particularly oriented strand board (OSB), waferboard, particleboard, medium density fiber board, and hardboard, using the solids-fortified liquid resin, and related wood composites bonded with the solids-fortified resin.

Abstract: The invention relates to a wood composition containing olefin and raw wood materials, the use of said olefins for rendering raw wood materials water repellent, and a method for producing wood materials therefrom. The raw wood materials contain or are made of lignocellulose and are provided in the form of fibers, strands, or chips.

Abstract: A durable composite sheet is provided, with a method of manufacturing the composite sheet. The method includes using a crack-resistant reinforcement panel between a gel coat and a reinforcement panel, which may be of lauan or of other materials. At least one outer coat of material is applied onto a mold surface. A barrier layer may be formed on the outer coat, preferably by spraying. At least one coat of a resin material, containing a curable resin and optionally a filler, and a fibrous reinforcement material are applied over the outer coat (over the barrier layer if present) to form a reinforcement layer. The reinforcement panel is applied to the crack-resistant reinforcement layer, and is bonded thereto.

Abstract: A decorative laminate is provided and includes a core with at least one epoxy resin impregnated fiberboard sheet. The decorative laminate also includes at least one decorative layer provided adjacent to the core. A method of forming a decorative laminate is also provided.

Abstract: Decking comprises: a support selected from the group consisting of: polymeric materials; marine engineering polymers, fibre reinforced polymers, polymer metal composites, metal or wood sheets or marine superstructure; an array of strips of polymer treated wood secured to the support by means of an adhesive; the adhesive being selected from the group consisting of: polyurethane adhesives, modified silyl polymer adhesives and epoxy resin adhesives; wherein the polymer treated wood comprises a wood species selected from the group consisting of: maple species impregnated with a wood compatible polymerisable monomer, preferably selected from furfuryl alcohol, bis hydroxymethyl furan and mixtures thereof and subsequently dried and cured.

Abstract: A studless load bearing panel wall system includes an assembly of bamboo based load bearing panels. The panels may be centrally milled along all edges suitable for accepting spline brackets along the vertical edges thereby constructing wall faces. Channels along the top and bottom edges accept two panels to form a studless wall having an inner and outer panel. The panels may be fastened to the splines and channels by means of screw fasteners. Bamboo based load bearing panels comprising layers formed from pressed bamboo strips bonded with layers of softwood veneers provide high load bearing strength while being dimensionally similar to conventional plywood. Non-load bearing alternate embodiments of the bamboo based panels in combination with similar spline brackets and channels are utilized to construct studless interior walls.

Abstract: The present invention comprises a fire resistant wood product and method of manufacture thereof. In one embodiment, the fire resistant wood product comprises a resin and a fire retardant composition, wherein the resin comprises an isocyanate and the fire retardant composition comprises a boron containing compound.

Abstract: A building material includes a first segment of a grass; a second segment of the grass; and a first joint element in the first segment that engages with a corresponding second joint element in the second segment, so that the segments form a strip. The grass may be bamboo. A board includes a plurality of bamboo segments, joined together end-to-end with joint elements to form strips; a plurality of strips, attached together to form panels; and a plurality of panels, attached together to form the board. The strips and panels are laminated together with an exterior grade, low formaldehyde, low-urea-content adhesive.

Abstract: Composite panels may be prepared using a moisture resistance additive having a formulation that includes a triglyceride having a saponification value of at least 150 and an iodine value of at least 35. The additive may be used in the form of a water emulsion. The water emulsion may be prepared by dispersing the components of the additive formulation under conditions sufficient to at least partially saponify the triglyceride. The moisture resistance additive can impart resistance to moisture absorption and thickness swelling to composite panels prepared therewith.

Abstract: A wood-containing composite are described that may include a lignocellulosic material, and a formaldehyde-free binder in contact with at least a portion of the lignocellulose material. The binder is formed from a binder composition that includes a soy flour, a polymer, and a crosslinking agent, at least a portion of each of which are covalently crosslinked to each other in the binder. Also described are methods of making wood-containing composites by providing a pre-mixed, one-part binder composition of at least 60 wt. % soy flour, a polymer, and a crosslinking agent. The binder composition is applied to lignocellulosic material, and the combination may be heated at a temperature of about 100° C. or more to cure the binder composition into a binder. The cured binder has the soy protein, polymer, and crosslinking agent covalently bonded to each other.

Abstract: A conductive fabric is provided. The conductive fabric comprises a base layer composed of a synthetic, regenerated or natural fiber, a conductive layer formed on the base layer to be capable of being freely formed by a pre-designed electric pattern, and an insulating layer formed on the conductive layer to protect the conductive layer from damage.

Abstract: A wood composite material comprises wood strands disposed in surface layers and one or more core layers, wherein about 70 wt % to about 98 wt % of the wood strands of the first and second surface layers are comprised of a wood species that has a density greater than a density of a wood species from which about 70 wt % to about 98 wt % of the strands in the one or more core layers are stranded.

Abstract: The invention provides a natural fiber-reinforced thermoplastic resin injection molding having an excellent ability to discharge static electricity. The natural fiber-reinforced thermoplastic resin injection molding is obtained by injection-molding with using natural fiber-reinforced thermoplastic resin pellets as a molding feedstock containing natural fibers as reinforcing fibers, has a natural fiber content of from 20 to 60 wt %. The natural fibers have an average length of from 1.5 to 4.0 mm. The natural fiber-reinforced thermoplastic resin injection molding has an electrostatic voltage half-life, as determined by the half-life measurement method specified in JIS L 1094, of less than 40 seconds.

Abstract: Amino-formaldehyde resins and methods for making amino-formaldehyde resins are provided herein. In one embodiment, the amino-formaldehyde resins are blends of at least a first amino-formaldehyde resin having a first molar ratio of constituents and at least a second amino-formaldehyde resin having a second molar ratio of constituents different than the first molar ratio of constituents. The first amino-formaldehyde resin may be a melamine-urea-formaldehyde resin. The second amino-formaldehyde resin may be a urea-formaldehyde resin, which may optionally include melamine. The blend of the amino-formaldehyde resins may be used in the manufacture of articles, such as composite boards.

Abstract: Fibrous structures that exhibit low dry lint scores, and more particularly fibrous structures containing filaments and solid additives that exhibit low dry lint scores and methods for making such fibrous structures are provided.

Abstract: The present invention relates to a phenol resin obtained by reacting phenolic compounds with formaldehyde and/or formaldehyde-forming compounds. The present invention furthermore relates to the use of such a phenol resin, as well as to a molded product having a core of solid, inert parts impregnated with such a phenol resin.

Abstract: The subject invention concerns nanorods, compositions and substrates comprising nanorods, and methods of making and using nanorods and nanorod compositions and substrates. In one embodiment, the nanorod is composed of Zinc oxide (ZnO). In a further embodiment, a nanorod of the invention further comprises SiO2 or TiO2. In a specific embodiment, a nanorod of the invention is composed of ZnO coated with SiO2. Nanorods of the present invention are useful as an adhesion-resistant biomaterial capable of reducing viability in anchorage-dependent cells.

Abstract: A water-resistant composite paper, suitable for use as a loudspeaker component, is made from a composition including wood pulp, hydrophobic fibers, and stiffening fibers that retain stiffness when wet. In some examples, fibrillated acrylic fibers and glass fibers are used.

Abstract: A furan polymer impregnated wood which is uniform in colour and density throughout the treated zone. In order to obtain the polymer impregnated wood, a parent wood has been impregnated with a mixture containing polymerizable organic compounds of at least furfuryl alcohol and one further compound. The invention also relates to a method for preparing a furan polymer impregnated wood and uses thereof.

Abstract: A construction panel including at least first, second, and third oriented stranded board (OSB) materials in sheet form adhesively glued together in a back to back arrangement. The construction panel can be used as a wood door core. A wood veneer covering or other exterior covering can be placed over the core as desired. The door construction may include rails along the top and the bottom of the core, and stiles along the side of the core. A method of assembling a construction panel wherein three panels of oriented stranded board (OSB) material in sheet form are glued together in a back to back arrangement. In one method, the two outermost faces of the panel are sanded or otherwise processed to smooth out imperfections on the front and rear faces.

Abstract: A lignocellulose-based molded product is made by mixing furan resin with steam-treated lignocellulose-based material, and molding the resulting mixture by applying heat and pressure.

Abstract: A method of delivering and retaining zinc borate within a wet process hardboard is disclosed wherein process parameters are controlled and the borate is included in the overlay slush process of wet board processing.