257 results about "Engineered wood" patented technology

The present invention relates to a composition (the composition of the invention) comprising a component A consisting of a polylysine component, an XL component and a fibrous component consisting of at least one fibrous element comprising plant fibers, and wherein the fibrous element is free of any other fibers other than plant fibers, and wherein the component A consists of a polylysine component, an XL component, and a fibrous component consisting of at least one fibrous element comprising plant fibers. And the composition does not contain any fibers other than the plant fibers of the fiber component. The invention further relates to a method for obtaining an object from the composition according to the invention. The invention further relates to objects (objects of the invention) obtained by said method, such as sheets, strips, bars, strips, films, cloths, containers, panels, panels, beams, frames, slats, engineered wood, such as fiberboards. The invention further relates to an article (article of the invention) comprising a) a component that is solid at 23 DEG C and 1 atm; and one or both of b) and c) wherein b) is the composition of the invention and c) is the object of the invention. The invention further relates to various uses of any one or any combination of the composition of the invention, the object of the invention and the article of the invention.

The present invention relates to a composition (the composition of the invention) comprising a component A consisting of a polylysine component, an XL component and a fibrous component consisting of at least one fibrous element comprising plant fibers, and wherein the fibrous element is free of any other fibers other than plant fibers, and wherein the component A consists of a polylysine component, an XL component, and a fibrous component consisting of at least one fibrous element comprising plant fibers. And the composition does not contain any fibers other than the plant fibers of the fiber component. The invention further relates to a method for obtaining an object from the composition according to the invention. The invention further relates to objects (objects of the invention) obtained by said method, such as sheets, strips, bars, strips, films, cloths, containers, panels, panels, beams, frames, slats, engineered wood, such as fiberboards. The invention further relates to an article (article of the invention) comprising a) a component that is solid at 23 DEG C and 1 atm; and one or both of b) and c) wherein b) is the composition of the invention and c) is the object of the invention. The invention further relates to various uses of any one or any combination of the composition of the invention, the object of the invention and the article of the invention.

The invention relates to the technical field of furniture board blanking, solves the problems of low material utilization rate and high algorithm complexity caused by board texture direction constraint and'one-step cutting 'process limitation in the prior art, and provides a three-stage mixed heuristic blanking method for panel furniture. Comprising the following steps: S1, generating a texture single blank standard length set according to blank data; s2, according to all the single blank block strips, all composite strips with the maximum value under the current condition are obtained through calculation; s3, generating all single blank levels with the maximum value according to the generated single blank composite strip combination; S4, abstracting the single blank levels into a solution combination of a knapsack problem to generate a plate L * W; s5, according to coding of a heuristic sequencing algorithm combined with genetic annealing and decoding calculation of an imprecise positioning algorithm in the three stages, an optimal layout mode under the current condition is obtained; and S6, generating a plate layout drawing according to the optimal layout mode, wherein the plate layout drawing is the optimal plate two-dimensional shearing blanking mode. According to the three-stage mixed heuristic blanking method for panel furniture provided by the invention, through collaborative optimization of the three-stage imprecise layout and the genetic simulated annealing algorithm, an optimal panel layout mode with a high utilization rate can be obtained; and meanwhile, the texture direction constraint in furniture artificial board blanking is ingeniously solved through a blank and strip rotation limiting method, and the operation time of the algorithm can be shortened through a grading solving mode combining a standard size set and three-stage imprecise layout.

A method of treating a cellulose-based material, for example wood and engineered wood is provided, wherein the process involves the following steps: selecting and placing the cellulose-based material in a treatment chamber; impregnating the cellulose-based material with an impregnating agent consisting of an aqueous solution comprising a fluid suitable for esterification; facilitating a hydrolysis process whereby the impregnating agent reacts resulting in the formation of esters and polyesters inside the cellulosed-based material.

The manufacturing method of the laminated directional batten bearing type bamboo-wood composite material comprises the following steps: (1) preparing raw materials; the whole chordwise bamboo strip mat, the radial bamboo strip curtain, the directional battens and the wood veneers are prepared according to process requirements, and wear-resistant layer materials are selected. And (2) paving a plate blank. And paving the whole-piece wood veneer, the non-whole-piece wood veneer, the radial bamboo split curtain, the directional batten, the radial bamboo split curtain, the non-whole-piece wood veneer, the whole chordwise bamboo split mat and the wear-resistant layer in sequence from bottom to top. And (3) hot press molding. The hot press can be an intermittent single-layer hot press or an intermittent multi-layer hot press; the hot pressing mode is a'cold feeding-cold discharging 'hot pressing forming process, namely the procedures of'feeding, heating, heat preservation and hot pressing, cooling and pressure relief and discharging'; the hot pressing process is divided into three stages, namely pressure boosting, pressure maintaining and unloading, in the pressure maintaining stage, the unit pressure of a press is 1.5-8Mpa, and the temperature of a hot pressing plate is 140-220 DEG C. And (4) longitudinally and transversely cutting edges to be processed into specification materials. And the thickness is 15-40mm, the common breadth is 1220 * 2440mm, and a specific breadth can be made as required. The bamboo-wood composite board has the advantages that bamboo wood and wood are used as main raw materials, leftover materials obtained through wood processing are combined, the physical and mechanical properties of the product are better than those of natural wood boards or other wood-based artificial board materials, and the bamboo-wood composite board can be widely applied to vehicle and ship bottom boards, container bottom boards and boards in other load-bearing occasions.

The disclosure relates to compositions including a constituent—A, which constituent—A consists of a polylysine component, a XL-component, and a fibrous component which fibrous component consists of at least one fibrous element which fibrous element includes vegetable fibers, and where the fibrous element is free of any fibers other than the vegetable fibers, where and the composition is free of any fibers other than the vegetable fibers of the fibrous component. The disclosure further relates to processes for obtaining an object from the compositions. The disclosure further relates to objects such as sheets, tapes, sticks, strips, films, cloths, containers, boards, panels, beams, frames, planks, engineered wood e.g. fibreboards obtained by said processes.

The invention discloses an artificial board sizing uniformity detection device and method based on industrial vision, relates to the field of artificial board detection, and solves the problem that an existing detection device is difficult to process overflowing adhesive. The artificial board sizing uniformity detection device comprises a device base and two mounting vertical plates mounted at the top of the device base, and a detection support is mounted between the two mounting vertical plates; a control host is mounted at the top of the detection bracket; two detection probes are fixedly mounted at the bottom of the control host; the glue removing mechanism is used for removing glue on the side face of the artificial board, the glue removing mechanism is installed on the outer side of the installation vertical plate, and the glue removing mechanism comprises a cleaning box arranged at the top of the installation vertical plate close to the right side of the device base; by means of the glue removing mechanism, in the artificial board conveying process, the artificial boards are in a rotating state, glue removing is conducted on the side faces of the artificial boards through the cleaning box, and therefore the effects of continuous detection and side face glue removing are achieved.

The application discloses a long-acting fragrance essential oil microcapsule veneer artificial board and a preparation method thereof, and comprises a core board, both sides of the core board are provided with surface layer single boards with holes, the surface of the surface layer single boards with holes is sequentially provided with a surface layer thin single board and an impregnated glue film paper; a plurality of waist-shaped through holes are arranged on the surface layer single boards with holes, and the waist-shaped through holes are filled with essential oil microcapsule composite fillers; the essential oil microcapsule composite fillers comprise essential oil microcapsules, putty powder, wood fibers and melamine urea-formaldehyde resin glue; and the essential oil microcapsules comprise single-layer coated microcapsules and double-layer coated microcapsules. The essential oil microcapsules are carried by means of the waist-shaped holes arranged on the surface layer single boards, so that the problem that the adding amount of the microcapsules cannot be improved is solved; and the single-layer and multi-layer microcapsules are simultaneously added, so that the damage of the temperature and pressure in the hot-pressing forming process to the microcapsules is avoided, the long-acting and slow-releasing effect of the fragrance can be realized, and the doped odor generated by the VOC release of the board itself is inhibited.

A process and method for producing a fire-retardant treated wood composite by applying fire-retardant material to wood strands at several points in the manufacturing process prior to the application of heat and / or pressure to a strand mat to form a manufactured wood or engineered wood composite panel. Fire-retardant material is applied at the dry bin outfeed, the blender infeed, or both. The fire-retardant material applied may be of a different type and / or different amount at each location. Optionally, fire retardant material also may be applied in the blender.

The utility model relates to the technical field of artificial board machining, and discloses an artificial board edging device which comprises a machining table, a fixing plate and a first baffle, the fixing plate is welded to the inner sides of supporting legs at the bottom of the machining table, the first baffle is welded to the top of the machining table, an edging mechanism is arranged on the outer side of the machining table, and an adjusting mechanism is arranged at the bottom of the machining table. And the edging mechanism comprises first driving motors, first threaded rods, supporting seats, pressing plates, supporting sleeves, springs and pressing blocks, the multiple first driving motors are arranged on the front face and one side of the machining table, and one ends of the first threaded rods are fixedly connected to the output ends of the first driving motors. According to the artificial board edging device, when the multiple supporting sleeves are driven by the pressing plate to move towards the inner side, the multiple supporting sleeves drive the pressing blocks to press the artificial boards towards the inner side, through supporting of the springs, the pressing blocks can extrude and align the artificial boards on the inner sides of the first baffles, the multiple pressing blocks press the multiple artificial boards to be aligned at a time, and therefore the machining rate of the artificial boards is increased.

A pre-vented soffit panel with an integrated screen to exclude wind-blown embers from entering the attic space. Vent holes are created in the soffit, and a screen is integrated therewith, in the factory or on a production line. The screen material is fire-resistant. The pre-vented soffit panel with integrated screen can then be packaged and shipped to a job or construction site, and installed instead of, or in place of, a prior-art soffit panel. The integrated soffit screen also prevents the intrusion of wind-blown snow and several types of insects. This integrated solution provides for more rapid and cost-effective job site installation without the need to perform costly retrofitting of metal vents into prior-art soffit panels.

The application discloses a waste wood processing artificial board carbon emission accounting method for recycling, which calculates the total mass of building waste and waste wood in the demolition stage and the target waste wood mass and proportion; a carbon emission accounting model including the demolition recycling and transportation stage is constructed, a carbon emission accounting model for the crushing and cutting treatment process is established; the total carbon emission accounting of the waste wood regenerated artificial board is utilized; a traditional process factory treatment regenerated artificial board carbon emission accounting model including traditional pretreatment, traditional processing and traditional production artificial board and a carbon emission difference model of the traditional process and the regenerated process are constructed, and the total carbon emission saved by the waste wood replacing the original wood is accounted. The application systematically sorts out the carbon sources of the whole process of waste wood recycling and processing, establishes a carbon emission accounting path of waste wood recycling, provides direct and accurate quantitative basis for the development of the carbon emission reduction scheme of the engineering project, and solves the problem of insufficient practicability of the existing model.

An apparatus and method of applying a finish or paint coating in a prefinishing or finishing line to a fencing panel or picket that disguises the screen-back texture of the engineered wood substrate. After paint or similar coating is applied (such as by one or more spray nozzles) to a face to a fence picket or fencing product or component, the fence picket passes under a roller, brush, or roller brush or similar paint applicator while the paint is still wet. The roller / brush removes some of the paint and applies an angled pattern to the face, which disguises the screen-back texture of the substrate.

A multi-layered engineered wood-based siding, cladding or panel with an interface layer disposed between the main strand matrix layers and one or more additional layers. The interface layer can be an adhesive web, or adhesive film, or adhesive net. The adhesive web / film / net can serve as a fines interface layer to minimize telegraphing and provide an improved surface appearance. The interface layer can be applied to the surface of the strand matrix or mat prior to application of the fines layer. The interface layer can be disposed between the strand matrix and the fines layer to prevent the loss of fines into the strand matrix. The interface layer can be disposed between any of the layers of the multi-layered engineered wood product to promote adhesion between adjacent layers, impart fire resistant, impart mold and mildew resistance, or increase the dimensional stability of the wood product.

The invention relates to the technical field of plates, in particular to an artificial board with a heat insulation function, which comprises two groups of base materials, the two groups of base materials are stacked, a bonding layer is arranged between the two groups of stacked base materials, a protective layer is sleeved above the two groups of stacked base materials, and heat insulation layers are embedded in the two groups of base materials. Hidden assembling assemblies are arranged on the two sides of the base materials and used for assembling and fixing the two base materials. The heat-insulating artificial board has the beneficial effects that the embedding grooves are formed in the top surfaces of the base plate and the clamping plate and are filled with the first heat-insulating filler layer and the second heat-insulating filler layer respectively, and two heat-insulating cavities are formed in the artificial board. The cavity between the base plate and the clamping plate is filled with the first heat insulation packing layer, the cavity between the clamping plate and the sleeve plate is filled with the second heat insulation packing layer, and the multi-layer heat insulation structure effectively reduces heat conduction paths and greatly reduces the heat transfer speed.

An insulating radiant barrier sheathing product formed by directly bonding or applying an insulating radiant barrier (IRB) material to the interior surface (i.e., facing the attic or other interior space) of a wood, wood-based, manufactured wood, or cellulosic panel or structural or sheathing panel. The IRB panel product may be used as a roof sheathing panel, with one or more outer protective and finishing layers applied to the outer surface, such as, but not limited to, an underlayment and roofing shingles. The IRB material may comprise a mixture of a radiant barrier (RB) paint and a granulated insulating material. The granulated insulating material may comprise cork, EPS, XPS, poly-iso, other similar insulating material, or combinations thereof. Alternatively, the IRB material may comprise a reflecting bubble-wrap layer.

The invention discloses a light-weight high-strength sound-insulation integrated wood-bamboo-based sandwich board structure and a manufacturing method, and belongs to the technical field of bamboo-wood composite materials, and the structure comprises an upper surface board, a lower surface board and a core layer frame. The texture directions of the upper surface board and the lower surface board are kept consistent; the core layer frame, the upper surface board and the lower surface board are of an orthogonal structure, and the core layer frame is formed by arranging a plurality of wood-bamboo-based unit frames in an array mode. The wood-bamboo-based unit frame is composed of reinforcing ribs and porous connecting units. And the core layer frame, the upper surface board and the lower surface board are pressed into an integral structure by adopting an adhesive such as phenolic resin adhesive, urea-formaldehyde resin adhesive or polyurethane adhesive through a hot-pressing or cold-pressing forming method, so that the connection and quick assembly of the wood-bamboo-based integrated sound insulation sandwich board are realized, and the problems that the existing bamboo laminated board is insufficient and heavy in silence, low in cost and the like are solved. The bamboo sandwich board is weak in bearing capacity, high in cost and low in production efficiency.

The invention relates to the technical field of facing artificial boards, in particular to a preparation method of an antistatic flame-retardant facing artificial board, which comprises a decorative paper preparation process, a base material preparation process and a compounding process, and the decorative paper preparation process sequentially comprises the following steps: step 1, obtaining a first raw material and a second raw material; secondly, the first raw material is treated in a blow molding mode, when the first raw material is subjected to blow molding to form a tubular hollow adhesive film and has the temperature of 110-120 DEG C, the second raw material with the temperature of 80-90 DEG C is provided for the outer side film face of the hollow adhesive film, and therefore the hollow decorative paper film is obtained; thirdly, the blow-molded hollow decorative paper film is led and taken; wherein the first raw material comprises a mixed adhesive added with a flame retardant, an initiator and a grafting monomer, and the second raw material comprises paper pulp added with an antistatic agent.

The invention relates to the technical field of artificial boards, and discloses an ultralow VOCs light fiberboard added with transition metal oxide / expanded perlite composite filler and a preparation method of the ultralow VOCs light fiberboard. The composite filler is formed by loading transition metal oxides (MnO2, Co3O4, CeO2 and the like) on expanded perlite (EP). The preparation method comprises the following steps: dipping acid-washed and activated EP in a transition metal salt solution, and drying and calcining to obtain a modified product (M-EP). The M-EP filler is mixed with wood fibers and an adhesive according to the proportion of 5-20 wt%, and the fiberboard is prepared through the processes of paving, pre-pressing and hot pressing. Through the synergistic effect of physical adsorption and chemical catalytic degradation, the VOCs and formaldehyde emission of the fiberboard is remarkably reduced, and the fiberboard is endowed with the capability of continuously purifying free formaldehyde in air. Meanwhile, the density of the board is effectively reduced through introduction of EP, the light-weight and functional integrated design of the board is achieved, and the board is suitable for the fields of furniture manufacturing and indoor decoration.

The invention discloses a preparation method of anti-cracking impregnated bond paper and application of the anti-cracking impregnated bond paper in a core-board. The preparation method comprises the following steps: adding water and a formaldehyde solution into a reaction kettle, adding melamine while stirring, adjusting the pH value to an alkaline range, heating for polycondensation to reach the standard, cooling, and adding a water-soluble mixture to obtain anti-cracking impregnated bond; and after the pre-impregnated gummed paper is impregnated with the anti-cracking impregnating adhesive twice and is subjected to segmented drying, the surface layer is coated with a glue solution containing a curing agent and a release agent in a rolling manner, and the anti-cracking impregnated paper is obtained after drying. Aiming at the problems that the impregnated decorative paper for artificial board decoration is easy to break, the storage life of the impregnating adhesive is short, the veneer artificial board is easy to crack and the like, the toughening type melamine formaldehyde resin is prepared by adopting a compounding technology and is applied to melamine paper and the veneer artificial board, and the method is simple and easy to implement.

The present application relates to the technical field of multi-layer recycled artificial board, and particularly discloses a recycled artificial composite fiber board preparation device and method. The recycled artificial composite fiber board preparation device comprises a shell assembly, a conveying assembly, a porous assembly, a cutting assembly and a roughening assembly. The present application provides a three-stage roughening method, which ensures that the roughening effect is more uniform and consistent, guarantees the subsequent glue application and hot pressing bonding degree, improves the performance and durability of the product, reduces the wear and tear of the roughening steel wire and other tools, reduces the loss, and reduces the production cost. The core material preparation process is physical cutting, which does not emit waste gas and is not limited by the material specifications. The material utilization rate is high, and there is no special requirement for the raw material specifications, which has strong applicability. Moreover, the to-be-spliced board is cross-placed, the upper and lower panels are hot-pressed and glued, the roughening effect is more uniform and consistent, the subsequent glue application and hot pressing bonding degree are guaranteed, the performance and durability of the product are improved.

A multi-layer insulated panel product for use in residential and commercial construction, including, but not limited to, for use as structural sheathing. The multi-layer panel product has a base panel substrate, which may be a manufactured wood, gypsum, plastic, or some other similar material, with a fire-resistant insulating layer affixed to a face of the base panel substrate. The insulating layer may be pre-affixed to the base panel substrate in the factory or on a production line, prior to transport and installation at a job site. An insulating layer may be affixed to two base panel substrates, one on each side of the insulating layer.

The present application relates to a kind of formaldehyde-free veneer and its preparation method.Formaldehyde-free veneer is made of formaldehyde-free substrate and improved formaldehyde-free veneer paper by flat paste process.Formaldehyde-free substrate includes substrate layer, balance layer and hard bottom coating, and its preparation involves multiple processes and uses innovative formaldehyde-free adhesive.The preparation method of formaldehyde-free veneer provided by the present application includes six steps of formaldehyde-free adhesive preparation, preparation of formaldehyde-free plywood and formaldehyde-free blockboard substrate, formaldehyde-free plywood and formaldehyde-free blockboard substrate making, formaldehyde-free substrate hardening treatment, high surface performance formaldehyde-free paper preparation and formaldehyde-free veneer composite making.The present application combines formaldehyde-free adhesive technology, high polymer surface treatment technology and low-temperature bonding low-energy production technology of wood-based panel, and the production process is advanced and efficient.In each process, through precise parameter control and advanced equipment and technology application, the stability and consistency of product quality in large-scale production process are ensured, and a new type of formaldehyde-free energy-saving veneer is prepared.

The invention belongs to the technical field of artificial boards, and relates to a manufacturing process of a fiberboard for a running board of a treadmill, which comprises a complete process from raw wood feeding to packaging and warehousing, and is characterized in that mountain miscellaneous wood stacked for not more than one month is selected as a raw material, and water-resistant high-strength melamine modified urea resin and a latent composite curing agent are applied; and drying, paving and hot pressing parameters are optimized. The water-resistant high-strength melamine modified urea-formaldehyde resin is synthesized by adopting an alkali-acid-acid-alkali process, and has the advantages of fast curing, strong bonding and good water resistance; the composite curing agent can avoid pre-curing and promote curing of the core layer; and hot pressing adopts a five-section warm-pressing zoning design. The surface layer density of the product is high, the static bending intensity reaches 49-55 MPa, the internal bonding strength, the water resistance and the environmental protection property are excellent, and the use requirements of the running board of the running machine are completely met.

The invention discloses an artificial board production energy consumption intelligent regulation and control method, and belongs to the technical field of industrial production control, and the method comprises the steps: collecting real-time process and energy consumption data of drying and hot pressing processes through a sensor network, and integrating the real-time process and energy consumption data with production batch information; based on mechanism and data driving model weighted fusion, constructing a hybrid prediction model of the drying and hot pressing key indexes; a multi-objective optimization model is established, an improved genetic algorithm is adopted for rolling solution, and optimal process control parameters are output; the parameters are issued and executed, and actual quality indexes are collected for feedback; and dynamically triggering incremental learning of the data driving model according to the prediction error, and updating the hybrid prediction model. According to the method, the problems that in artificial board production, energy consumption is high, quality fluctuation is large, and fixed technological parameters are difficult to adapt to dynamic changes are solved, collaborative optimization of energy consumption and quality and continuous self-adaption of the production process are achieved, production energy consumption is effectively reduced, and product quality is stabilized.

The utility model discloses a pre-drying system in the artificial board industry, which relates to the technical field of artificial board drying, and comprises a cabin body, a cross flow fan arranged in the cabin body, an opening and a taking door arranged on the cabin body, a rotating mechanism arranged in the cabin body, a clamping mechanism arranged on the rotating mechanism and used for clamping an artificial board, the clamping mechanism comprises a rotating arm, one end of the rotating arm is rotationally arranged on the rotating mechanism, a limiting block for limiting the rotating arm to overturn towards the outer side is arranged on one side of the rotating arm, the free end of the rotating arm is connected with abutting plates used for movably abutting against and making contact with the artificial board, and the rotating arm is provided with a lock used for pulling the two abutting plates to move oppositely. The rotating mechanism is used for rotating the artificial board and comprises a rotating shaft rotationally arranged on the cabin body, and the rotating shaft is connected with a motor used for driving the rotating shaft to rotate. And the artificial boards of various sizes can be clamped, the angle of the artificial boards can be adjusted according to needs, and drying treatment is facilitated.

The utility model relates to the technical field of artificial board performance tests, in particular to a scribing and point-fixing device for an experimental test. An adjusting structure is installed on the outer seal body and comprises a handle, the handle is fixedly installed on the top face of the outer seal body, a threaded sleeve block is movably installed on the outer side of the bottom end of the handle through threads, a fixing ring is movably installed on the bottom face of the threaded sleeve block through a bearing, and a guide rod is fixedly connected to the bottom face of the fixing ring. The bottom end of the guide rod is fixedly connected with an inner seal body, and the upper face and the lower face of the outer seal body are connected with an upper heightening gasket and a lower thickening gasket in a magnetic attraction mode. The internal seal body can move up and down on the inner side of the external seal body, sample blocks of two specifications can be marked rapidly, the manual operation time is greatly shortened, the marking accuracy can be improved, and personal errors are reduced.

The invention relates to the technical field of artificial board processing, in particular to a preparation method of green low-toxicity flame-retardant plywood. The method comprises the following steps: S1, green synthesis and step-by-step dipping treatment of a complexing phosphorus-nitrogen flame retardant; s2, preparation of a flame-retardant adhesive and construction of an interface intumescent flame-retardant system; s3, stepped layered assembly and hot press molding; s4, conducting ion regulation and anti-rust treatment; wherein the complexing phosphorus-nitrogen flame retardant in the step S1 takes phosphorus and nitrogen as core flame-retardant elements and is synthesized through a complexing rapid reaction and cross-linking reaction technology, the reaction temperature is 80-100 DEG C, and the reaction time is 30-60 minutes; the mass ratio of the phosphorus-containing metal complex precursor to the nitrogen source compound to the chitosan to the catalytic substance is (2-3): (5-6): (1-3): (0.5-1). According to the flame-retardant plywood prepared through the method, the combustion rate growth index is smaller than 100 W / s, the 600-s total heat release amount is smaller than 7.0 MJ, the smoke generation rate index of the smoke generation characteristic is smaller than or equal to 30 m / s, the 600-s total smoke generation amount is smaller than or equal to 50 m, and multiple technical defects of traditional flame-retardant plywood are overcome.

An improved oriented strand board (OSB) panel or board with higher resin loading and control of the density to provide improved and / or enhanced properties, and methods of manufacturing such an improved OSB panel or board. In several exemplary embodiments, as described in greater detail below, resin loading of the strands used for OSB formation is increased in conjunction with the density of the manufactured OSB board being controlled to a certain density or within certain density ranges for use with decorative panels, exterior cladding or siding panels, engineered wood flooring, and / or exterior structural wall or roofing panels. Both increased resin-loading and controlled density increases are required for overall core performance increases, and the surprisingly enhanced performance characteristics outweigh the increased cost of production.

The invention discloses a secondary three-dimensional recombination integrated preparation method for technical veneers. The method comprises the following steps: cooking, softening, rotatably cutting and drying a log, and then carrying out dyeing and gluing treatment; performing one-time recombination pressing by adopting time sequence linkage control of step heating and gradient pressure applying, and correspondingly starting a pressure applying gradient in each heating stage; the primary wood blank is cut according to a set angle and then subjected to secondary gluing and staggered directional paving, and secondary recombination pressing is carried out; and performing aging treatment in a controlled temperature and humidity environment by adopting periodic pressure reduction-repressing cyclic operation, and slicing to obtain a finished product. According to the method, a staggered reinforced structure is formed through secondary three-dimensional recombination, and time sequence linkage temperature and pressure control and periodic circulation aging are combined, so that the problems of product anisotropy, uneven density, insufficient stress release and the like are effectively solved, and the texture uniformity, mechanical strength and dimensional stability of the technical veneer are remarkably improved.