5 results about "Oriented strand board" patented technology

This invention relates to the field of particleboard production equipment technology, specifically to a surface-oriented particleboard (SOC) laying device, comprising a laying roller, sliders, slide rails, and an adjustment assembly. The laying roller is rotatably connected to the sliders at both ends; the sliders are slidably connected to the slide rails; the slide rails are arc-shaped and centered on the midpoint of the laying roller's axis; the adjustment assembly connects to two sliders respectively, allowing the two sliders to move in opposite directions along their corresponding slide rails to adjust and fix the tilt angle of the laying roller. This invention can adapt to the high-precision continuous laying requirements of multi-specification particleboard.

The utility model relates to the technical field of artificial board discloses a kind of high-strength wear-resistant composite artificial board, including two combination boards, the outer wall bottom of combination board is fixedly connected with reinforcing glue, the outer wall top of reinforcing glue is fixedly connected with reinforcing mechanism, the outer wall of reinforcing glue is provided with wear-resistant mechanism, the reinforcing mechanism includes bamboo fibre layer, the outer wall bottom of bamboo fibre layer is fixedly connected in the outer wall top of reinforcing glue, the outer wall top of bamboo fibre layer is fixedly connected with shaving layer, the outer wall top of shaving layer is fixedly connected with resin layer, the outer wall top of resin layer is fixedly connected with polyurethane glue layer, the outer wall top of polyurethane glue layer is provided with fibre assembly.In the utility model, bottom layer bamboo fibre layer and oriented shaving board provide basic support, enhance the strength of core layer using high-performance fibre and composite material, each layer synergistic effect, through performance complementation and structure optimization, realize the high-strength demand of artificial board.

A method for preparing flame-retardant surface-layer oriented strand board (OSB) based on interfacial penetration anchoring is provided, comprising: stirring long wood shavings and an acidic adhesive system composed of 1,6-hexanediamine aqueous solution, 2-hydroxyphosphonic acid-acetic acid aqueous solution, and diphenylmethane diisocyanate in a mixer under the condition of hot air flow; discharging the material when the pH value of the shaving surface reaches 4.0-6.0 to obtain pretreated surface-layer large shavings; mixing copolymer CS-H-H, wood fines, and diphenylmethane diisocyanate; discharging the material when the pH value of the wood fines reaches 7.7-8.5 to obtain pretreated core-layer fines; the reaction formula for preparing copolymer CS-H-H is as follows; laying the pretreated material in the order of surface-layer large shavings, core-layer fines, and surface-layer large shavings as the lower surface layer, core layer, and upper surface layer, and performing a hot-pressing process. This solves the problems of low interlayer bonding strength and easy corrosion of metal connectors in previous fine-grain core-layer OSBs.

A waterborne external release agent for producing ligno-cellulose composites such as oriented strand board (OSB), particle board (PB) and medium density fiberboard (MDF), which employ isocyanate-based adhesives such as pMDI is provided. The release agent as a formulation includes effective amounts of at least one tertiary ethoxylated fatty amine, effective amounts at least one of an acidic alkyl phosphate ester and an acidic phosphate ester ethoxylate, or combinations thereof, with the balance water. The formulation can also include a defoamer and a nonionic surfactant. The formulation can be applied to mats and / or metal platens when making the ligno-cellulosic composites, wherein the effective amounts of the at least one tertiary ethoxylated fatty amine and the at least one of an acidic alkyl phosphate ester and an acidic phosphate ester ethoxylate, or combinations thereof provide improved release properties, corrosion inhibition for metal surfaces, and minimum film build up when making ligno-cellulosic composites.

This utility model discloses a glue application system for OSB (Oriented Strand Board) production, including a mixing tank. A dryer shell is movably connected to the side of the mixing tank. A conveyor belt is movably connected through the dryer shell. A glue drawer is movably connected through the mixing tank. A discharge port is fixedly connected to the side of the mixing tank. A symmetrical first base is fixedly connected to the lower end of the mixing tank. A symmetrical second base is fixedly connected to the lower end of the dryer shell. A first rotating shaft is movably connected through the dryer shell and movably connected to the conveyor belt. A belt fixing port is fixedly connected to the side of the mixing tank. A feed port is opened at the upper end of the dryer shell. A fixing shaft is fixedly connected inside the dryer shell. A stirring blade is movably connected to the glue drawer. This structure enables automated transport of wood chips, improves glue application efficiency, and facilitates disassembly, cleaning, and adjustment of glue volume.