Abstract: This invention relates to copper complexes that significantly reduce the decay of wood, cellulose, hemicellulose, and lignin caused by fungi. A process for treating such materials with these copper-containing anti-fungal agents is also disclosed.

Abstract: A decorative sheet or a molding, in particular suitable for indoor or outdoor applications on buildings, is in each case composed of a single- or multi-layer core, monolaterally or bilaterally laminated with decorative layer(s) The core layer(s) comprise(s) wood fibers, cellulose fibers, or timber sawdust products and also an organic or inorganic filler material, and a hot-curing resin. The particle size of the filler material is smaller than the thickness of the fibers or of the timber sawdust products in the core layer(s). These core layer(s) are composed of from 15 to 80% by weight of fibers or of timber sawdust products, from 10 to 75% by weight of filler material, and from 10 to 50% by weight of resin, based in each case on the total weight of the core layer(s).

Abstract: A to be molded wood flake (12) or strand part is shown, having sharp definition in a bend in the part. The method of making such part includes using fines (13) to sharply define the bends of the part.

Abstract: An apparatus is described for scattering particles, in particular particles admixed with at least one binder, such as, for example, fibers, chips or like particles containing ligno-cellulose and/or cellulose, to form a mat, in particular for manufacturing shaped articles, primarily in the form of boards. On the one hand, chipboards, fiberboards and chip/fiber combination boards can be manufactured in an economically favorable manner with the apparatus and method described. Furthermore, boards of variable width can be produced without a time-consuming conversion of the apparatus being necessary.

Abstract: The invention relates to a large-size OSB-board having improved technical and mechanical properties. The aim of the invention is to solve the technical problems posed by an OSB-board which is suitable for using on large surfaces and also, for example, for the construction of buildings. To this end, the board has a width of at least 2.60 m and a length of at least 7.0 m, and the sectional elasticity module is it least 700 N/mm2 in the main loading direction.

Abstract: A novel resin for binding composite lignocellulosic, cellulosic and non-cellulosic products is disclosed. The resin is comprised of one or more isocyanates, one or more saccharides, one or more polyols, and water. Preferaby, the saccharide is a polysaccharide comprised of corn syrup. Preferably, the isocyanate is a polyisocyanate and the polyol is an ethylene glycol. Also disclosed are methods for preparing and applying the resin as well as the products prepared from the resin.

Abstract: Fibrous monolith processing techniques to fabricate multifunctional structures capable of performing more than one discrete function such as structures capable of bearing structural loads and mechanical stresses in service and also capable of performing at least one additional non-structural function.

Abstract: A building construction panel made of cellulosic fiberboard, comprising cementitious bands of a reinforcing material, which are applied via spraying, as the panel is being conveyed, so as to cover a minor portion of the overall area of a given one of the expansive surfaces, wherein the panel is devoid of the reinforcing material except at the bands. The bands include two diagonal bands, each of which extends between diagonally opposite corners of the given one of the expansive surfaces, two longitudinal bands, each of which extends along a respective one of the longitudinal edges of the given one of the expansive surfaces, and two transverse bands, each of which extends along a respective one of the transverse edges of the given one of the expansive surfaces.

Abstract: The invention provides an interior member for a vehicle which has a sufficient noise absorbing property, prevents a thermoplastic resin from leaching out from a base material and prevents a surface of a skin material, that is, a design surface from being soiled, and a method of effectively manufacturing the interior member for the vehicle.

Abstract: The invention relates to a composition comprising a polymer and wood fiber composite that can be used in the form of a linear extrudate or thermoplastic pellet to manufacture structural members. The polymer and wood fiber composite structural members can be manufactured in an extrusion process or an injection molding process. The linear extrudate or pellet can have a cross-section of any arbitrary shape, or can be a regular geometric. The pellet can have a cross-section shape having a volume of at least about 12 mm3. Preferably the pellet is a right cylindrical pellet having a minimum radius of about 1.5 mm and a minimum length of 1 mm weighing at least 14 mg. The invention also relates to an environmentally sensitive recycle of waste streams. The polymer and wood fiber composite contains an intentional recycle of a waste stream comprising polymer flakes or particles or wood fiber.

Abstract: A rough-surfaced substrate, such as a fiberboard, is provided with a smoother surface by applying a coating comprising calcium sulfate hemihydrate which has been prevented from hydrating to gypsum by set preventer, and which sets when brought into contact with a set initiator, e.g. aluminum sulfate, preferably present on the surface of the substrate.

Abstract: A paper overlaid wood product having a relatively low density. The board includes a core comprised of oriented strand board. A resin impregnated kraft paper overlay is adhesively secured to the top surface of the oriented strand board core. The paper overlaid wood board has a density ranging from about 35 lb/ft3 to about 55 lb/ft3, a modulus of rupture (MOR) of from about 3000 to about 9000 psi, a modulus of elasticity of about 0.4 million to about 1.2 million psi, and a thickness of about 0.25 inches to about 1.25 inches.

Abstract: The invention relates to a fire retardant oriented strand board composite material comprising a mixture of wood strands, at least one organophosphorus ester, at least one polymeric binder resin, and a wax. In a process embodiment of the present invention this mixture is consolidated under heat and pressure to form an oriented strand board composite panel, whereby during consolidation the organophosphorus ester chemically interacts with the polymeric binder to provide cross-linking between the binder and the organophosphorus ester.

Abstract: The invention relates to an agent for protecting a material, especially a wood protection agent. The inventive agent is based on a polymer or resin, with a waterproofing agent and filler particles which are dispersed in said resin or said polymer. The invention also relates to bodies consisting of wood which have been treated with the wood protection agent and to a method for protecting materials that are sensitive to the weather, especially wood.

Abstract: A wood sheathing panel, suitable for use in building construction, includes reinforcement strips of fiber reinforced polymer material incorporated into the panel. The reinforcement strips cover an area that is within the range of from about 5 to about 50 percent of the surface area of the panel. The reinforcement strips of fiber reinforced plastic material can be incorporated in the perimeter of the panel, or can be incorporated into the corners of the panel. The spacing of the intermittently incorporated reinforcement strips can generally coincide with a standard spacing of framing members so that when the wood sheathing panel is applied to a building frame, the reinforcement strips are generally aligned with framing members of the building. Preferably, the reinforcement strips are sufficient to provide an increased ductility over an equivalent unreinforced wood sheathing panel in an amount within the range of from about 75 percent to about 500 percent.

Abstract: Low density composite wood panels are manufactured from a feedstock comprising wood wool strands of high average slenderness ratio and high average aspect ratio, and low bulk density. The feedstock wool strands are blended with a resin binder typically in the range of 3 to 5 percent by weight and a hot wax in the range 1 to 2 percent by weight and formed into a mat. The mat is hot pressed with steam injection to effect curing of the resin. The low density panels may include on one or both of their major faces a wood veneer layer. The wood wool strands typically comprise wood of the aspen or jack pine species.

Abstract: A siding assembly and method of manufacture are disclosed. Each siding unit is a profile of a composite material which includes a thermoplastic polymer and a cellulosic fiber. The preferred siding unit has a tapered thickness and a convex face. Each siding unit is interconnected to adjacent siding units with a tongue and groove mechanism. The preferred siding profile has a plurality of webs, and the exposed portion of the siding has a capstock layer to improve weatherability. The exposed width of the siding's face may be adjustable. The siding units are interconnected end-to-end by inserts which are positioned by means of an adhesive or thermal welding.

Abstract: The present invention relates to a gypsum board having a nonwoven liner and a gypsum core. The gypsum board of the present invention has a high work to break, resulting in a gypsum board product that has a high resistance to abuse in use. The gypsum board of the invention is also more flexible and more resistant to water and fire than paper-lined gypsum board, and does not contain nutrients that support mold growth.

Abstract: The present invention relates to a composition comprising an organic preservative acid and a UV-active indicator substance for preserving wood and for detection of the sufficient preservation of wood.

Abstract: In a method of producing panel-shaped products by hot pressing a formed multi-layered body of lignocellulose-containing chips impregnated with binder, different binders are used in the middle layer and in the cover layers arranged on both sides of the middle layer, the cover layers consist of chips of wood or other raw materials based on wood impregnated with a binder including amino and/or phenolic plastics, and the middle layer consists of a mixture of chips of lignocellulose-containing annual plants chips of wood or other raw materials based on wood impregnated with a binder including an isocyanate.

Abstract: A gypsum wallboard may have a paper-covered first face with shaped regions formed along side portions near the wallboard edges, and a fibrous mat-covered second face. The fibrous mat material covering the second face extends around the wallboard edges and is overlapped by portions of the paper on the first face. The wallboard can be manufactured by depositing a gypsum slurry onto a moving web of the fibrous mat material, applying a web of the paper to the deposited gypsum slurry, and forming shaped regions in the side portions of the top surface.

Abstract: The present invention relates to novel compositions comprising porous materials infused with polymers obtained from metathesis reactions, for example ROMP derived polymers and ADMET derived polymers. The invention further relates to cyclic olefin monomer formulations, including ruthenium or osmium carbene metathesis catalysts, useful for the infusion of porous materials. Also disclosed are methods for preparing the porous materials infused with cyclic olefin resin formulations.

Abstract: Methods for oxidizing organic compounds using hydroxyl radicals formed through redox cycling chelator-mediated Fenton chemistry are disclosed. The methods include generating a reactive oxygen species by contacting a redox cycling chelator with an oxygen containing oxidant and a transition metal species. By contacting the resulting reactive oxygen species with an organic compound, the organic compound is oxidized. The preferred transition metal species is a cationic transition metal, such as iron or copper. The disclosed methods may be used to degrade organic waste compounds and dyes, activate lignocellulosic materials for bonding and produce adhesive formulations.

Abstract: The present invention provides a method for making a medium density fiberboard having a surface layer that is substantially similar to the subsurface layer. In one embodiment the method includes the step of applying a sealer composition having at least one of a release agent, bonding agent, or plasticizer to a fibermat and consolidating the fibermat.

Abstract: A textile product having arginine impared thereto; a process for producing the product; and a method for the pretreatment of a textile product. The textile product compensates for the water-retaining function of the horny layer and enhances metabolism. It hence has the effect of keeping the skin normal.

Abstract: The present invention is to provide a base material for a laminate having a high strength, reduced thickness, and light weight. In the present invention, a base material is prepared by incorporating a thermosetting resin binder into a non-woven fabric of para-aramid fibers prepared by a wet type paper making, and then heating a plurality of the resultant non-woven fabric sheets under pressure. The non-woven fabric sheet comprises 95 to 70 mass % of the para-aramid fibers and 5 to 30 mass % of the thermosetting resin binder.

Abstract: Wood can be reinforced with a continuous fiber-reinforced thermoplastic or thermoset rod disposed in slots or bores in the wood. The cross-section of the rod is critical to performance, with non-circular cross-sections being preferred over circular cross-sections.

Abstract: Vegetable protein-based adhesive compositions and methods for preparing them are provided. The adhesives are prepared by copolymerizing hydrolyzed vegetable protein that has been functionalized with methylol groups and one or more co-monomers also having methylol functional groups. Preferred hydrolyzed vegetable proteins include hydrolyzed soy protein obtained from soy meal.

Abstract: Generally flat structural panel for building construction includes an inner insulating core such as of plastic foam and a pair of opposed outer facings, or sheets, bonded to the panel's insulating core. One of the outer facings is of gypsum composite, or gypsum fiberboard, while the other outer facing is of oriented strand board (OSB) impregnated with plastic, such as a polyisocyanurate or urethane resin. The gypsum fiberboard forms the panel's inner surface, while the plastic impregnated OSB forms the panel's outer surface. The panel's outer facings provide high tensile strength, with the gypsum fiberboard facing also affording high load bearing capacity as well as resistant to fire, the environment, and insects. The plastic impregnated OSB does not expand or contract with changes in humidity to maintain a planar configuration for the panel with a smooth, uniform surface for exterior finishing.

Abstract: A process for making an improved gypsum/wood fiber board is described. Products resulting from the process are also described. The process comprises adding a diisocyanate, specifically methylenediphenyldiisocyanate (MDI) to an aqueous slurry of calcium sulfate material and cellulosic fibers, where the MDI is added as an emulsion stable in the conditions in which the slurry is maintained. The process further includes passing the MDI containing slurry onto a flat porous forming surface to form a filter cake; removing a substantial portion of the water from the filter cake through the porous surface; pressing the filter cake to form a board and remove additional water; and drying the board to remove the remaining free water.

Abstract: A plasterboard composition includes from 55 to 92% of hydratable calcium sulphate; from 0.1 to 5% of mineral and/or refractory fibres; from 3 to 25% of a mineral additive; from 1 to 5% of unexpanded vermiculite; and from 3 to 15% of hydrated alumina.

Abstract: A formaldehyde-free aqueous binder comprising A) a free-radically polymerized polymer containing from 5 to 100% by weight of units derived from an ethylenically unsaturated acid anhydride or from an ethylenically unsaturated dicarboxylic acid whose carboxyl groups can form an anhydride group, and B) an alkanolamine having at least two hydroxyl groups, is useful as binder for renewable raw materials in the form of fibers or chips to produce shaped articles.

Abstract: The present invention relates to wood that is reinforced with a fiber-reinforced thermoplastic composite that contains a plurality of substantially parallel continuous fibers impregnated with thermoplastic polymer having the following structural units: where Z is S or O, and Z′ is S, O, N-alkyl or NH The invention is useful in a variety of applications including glue-laminated structures, laminated veneer lumber, reinforced I-beams, parallel strand lumber, reinforced particle board, and ladders. The use of a thermoplastic polyurethane, particularly the high Tg thermoplastic polyurethane as the impregnating resin provides a means of recycling and reusing the reinforced lumber, as well as shaping the composite in ways that would be impossible using conventional fiber-reinforced thermoset composites.

Abstract: A composition comprising a mixture of a calcium sulfate material, water, and a tetrametaphosphate compound is disclosed. Desirably, the inclusion of the tetrametaphosphate compound (e.g., salt or ion) in a pre-set treatment of a calcium sulfate material enhances the resistance to permanent deformation (e.g., sag), dimensional stability, and/or compressive strength of the composition while also preferably avoiding any significant retardive effect on the rate of hydration of calcined gypsum to calcium sulfate dihydrate. A set gypsum-containing product and a method for producing a set gypsum-containing product having increased resistance to permanent deformation are also disclosed.

Abstract: A composite material including a substrate material having an ABS terpolymer resin and a cellulosic material. The ABS terpolymer resin is present in an amount of from 20 to 75 weight percent based on the total weight of the substrate material. The cellulosic material is present in an amount of from 25 to 75 weight percent based on the total weight of the substrate material. The composite material also includes a capstock material of a weather-resistant thermoplastic. The capstock material is compatible with the substrate material such that additional adhesives are not required to bond the substrate material with the capstock material in a coextrusion process.

Abstract: A high strength, high modulus fiber is applied to uncured adhesive in the glueline of a laminar wood beam as an anti-sag agent and for improved shear strength, creep resistance, and gapability. In one embodiment, discontinuous fibers are evenly applied over the adhesive at approximately 0.25 to 1.35 wt % fiber. The applied fibers are chopped fibers of aramid, carbon, glass, or other high strength, high modulus fiber and are applied in lengths of approximately 0.025 to 2.54 centimeters. In another embodiment, discontinuous fibers are used as an additive to a resin matrix for reconstituted fiber products to control dimensional change. In a third embodiment, continuous fibers are used in the glueline in a pretensioned or an untensioned way to improve shear resistance, creep resistance, and strength.

Abstract: Article of manufacture, board and process of manufacture of the same are provided. The board preferably includes coconut mesocarp fibers, and can be a medium density fiber board. The board is composed of at least 40-50% of the coconut mesocarp fibers. The board can also include at least one outer portion and at least one inner portion, and the coconut mesocarp fibers of the inner portion can be larger that the coconut mesocarp fibers of the outer portion. The process produces the board preferably includes coconut mesocarp fibers which can composed of at least 40-50% of the coconut mesocarp fibers.

Abstract: A toilet bowl cover including a main body made of wooden material. The main body is enclosed by a cover layer. The cover layer is made of fabric or paper material with natural fibers. The cover layer is further enclosed by an outer layer. The cover layer serves to fill up the irregular portions of the outer face of the main body. Also, the cover layer serves as a lining of the outer layer to highlight the colors of the outer layer.

Abstract: A bondable wood cellulosic filler/olefinic plastic composite sheet material made by extruding in a sheet shape a mixture consisting of: (1) 40-60 parts by weight of an olefinic plastic; (2) 60-40 parts by weight of a wood cellulosic filler, the size thereof being 40-110 mesh and the water content being not exceeding 5%; and (3) 0.5-5.0 parts by weight of an additive mainly consisting of polypropylene modified by maleic anhydride or its derivative.

Abstract: The present invention relates to a method of manufacturing an ocherous panel for use as an interior building material that has excellent insulating properties and that is superior to conventional building materials such as cement, concrete, rock wool and soundproofing boards in strength, fire resistance and soundproofing, and interior aesthetic appeal. The method according to the present invention is characterized in that it uses about 45 wt % of ocher, about 45 wt % of sawdust and about 10 wt % of sodium silicate liquid instead of the composition that was used in the prior art which caused contamination of the air and decomposition of the panel due to absorption of moisture in the air.

Abstract: An acoustical panel has a fiberboard which includes a fibrous filler and a base binder, and a nodulated overlay disposed on the fiberboard, wherein the overlay includes nodulated wool and an overlay binder and has a substantially smooth surface. In one embodiment of the present invention, the fibrous filler is mineral wool and the base binder is granular starch. In an another embodiment of the present invention, the nodulated wool is nodulated mineral wool and the overlay binder is cooked pearl cornstarch.

Abstract: A sound absorbing-insulating structure for vehicles includes a sound absorbing layer which contains cellulose fibers containing cotton yarns, pulp fibers, etc. and synthetic resin as principle components. The sound absorbing-insulating structure for vehicles, in which a content rate of the synthetic resin is in the range of 0.01 to 80 wt %, and a surface density is in the range of 0.2 to 3 kg/m2, is provided. This sound absorbing-insulating structure has a good sound absorbing-characteristic and is light in weight and inexpensive in cost.

Abstract: A composite, contains substrate fibers, and carbon ion exchanger, on the substrate fibers. The fiber provides a support to the carbon ion exchanger, resulting in excellent mechanical properties, compared to carbon fiber ion exchangers.

Abstract: A molded article includes a matrix of transparent plastics material incorporating a filler that is essentially constituted by fibers, the filler comprising 1% to 25% by mass of the mixture and the mean length of the fibers constituting the filler lying in the range of 100 &mgr;m to 700 &mgr;m.

Abstract: In an overlay trim member for, for example, the dashboard or other portion of an automobile, truck, recreational vehicle or as the case may be there is a main plate having at least one opening therein, and at least one insert plate which has a shape and dimensions corresponding to those of the opening in the main plate and is snugly disposed within the opening, the main plate and the insert plate being mounted on double-sided adhesive tape by which the overlay trim member may be operatively attached to the dashboard or other desired portion. The material or finish of the insert plate differs from that of the main plate thereby to provide enhancement of the aesthetic appearance of the overlay trim member.

Abstract: There is disclosed a kind degradable material and its disposable products, and their manufacturing process. The primary raw material used in the process consists of powdered shell or stalk of crops, urea-formaldehyde resin, and melamine resin. The materials are mixed thoroughly and hot pressed in a single step forming of the products. Oven drying or spray coating is not needed in the process. The products have the following characteristics: simple formula, simple process, low price; and the following properties: with natural color, dense; tough and tensile; and easy for coloring. In addition, they are water, heat and freezing resistant, anti-corrosion, non-poisonous, anti-pollution and biodegradable. They are entirely new environmental protection green products.

Abstract: The invention relates to a method for producing a fiber composite component having at least one intersection point. An apparatus for producing a component, comprising fiber composite material, including lower and upper dies of a pressing tool and optionally a heat source, by means of which source the fiber composite material can be heated during its subjection to pressure in the pressing tool. To make it possible to produce a non-warping, lightweight, easily manipulated component with at least one intersection point, in particular a grate, it is proposed that an integral component (preform) of the same or substantially the same material thickness and/or the same or substantially the same fiber volume content at the at least one intersection point and adjoining portions of the component is placed in a mold which predetermines or substantially predetermines its final geometry, and before or after being placed in the mold is provided with a monomer such as resin or a polymer and then cured.

Abstract: A method is provided for forming a durable, smooth-sided, multi-layer integral, composite engineered panel. The method typically is directed to first forming a mat comprising a plurality of layers of lignocellulosic strands or wafers. The plurality of layers of lignocellulosic strands or wafers are bonded together by an adhesive material. Then, at least one layer of smaller particles of lignocellulosic material is formed on the mat. This layer of smaller particles is blended together with an adhesive material thereby joining the layer of smaller particles to at least one outer surface of the mat. Next, at least one sheet of paper is joined to an outer layer of smaller particles of lignocellulosic material. This step takes place during the formation of the multi-layer integral, composite engineered panel. Finally, a substantially smooth outer surface is formed, upon pressing, in at least one surfaces of the multi-layer integral, composite engineered panel.

Abstract: The present invention relates to wood which contains a sorbic acid store and to processes for producing the sorbic acid store in the wood or on the surface of the wood. The present invention also relates to a process for using sorbic acid and its salts for protecting wood from microbially induced degradation.

Abstract: The invention relates to a composition comprising a polymer and wood fiber composite that can be used in the form of a linear extrudate or thermoplastic pellet to manufacture structural members. The polymer and wood fiber composite structural members can be manufactured in an extrusion process or an injection molding process. The linear extrudate or pellet can have a cross-section of any arbitrary shape, or can be a regular geometric. The pellet can have a cross-section shape having a volume of at least about 12 mm3. Preferably the pellet is a right cylindrical pellet having a minimum radius of about 1.5 mm and a minimum length of 1 mm weighing at least 14 mg. The invention also relates to an environmentally sensitive recycle of waste streams. The polymer and wood fiber composite contains an intentional recycle of a waste stream comprising polymer flakes or particles or wood fiber.