556results about "Wood treatment details" patented technology

A wood preservative composition comprising 4,5-dichloro-2-octylisothiazol-3(2H)-one, a method of treating a wood substrate therewith, and a wood product produced therefrom are provided. The wood preservative composition comprises at least 0.5% by weight of DCOI based on the total weight of the composition and a retaining additive comprising a solvent-borne polymeric resin, N a wax, or a combination thereof. A weight ratio of the DCOI to the retaining additive in the composition is in a range of 1:5 to 5:1.

The invention discloses a purple light wingceltis furniture mirror surface treatment process and purple light wingceltis furniture, and belongs to the technical field of furniture surface treatment.The purple light wingceltis furniture mirror surface treatment process comprises the specific steps that S1, a wood component is subjected to vacuum impregnation stabilization treatment; s2, the wood component treated in the S1 is subjected to multi-stage drying, moisture regaining and re-drying treatment; s3, the wood component treated in the S2 is soaked in wax liquid emulsion and subjected to ultrasonic cavitation treatment; s4, the wood component treated in the S3 is soaked in composite wax liquid for multi-stage progressive wax boiling treatment; s5, dewaxing, grinding and polishing treatment is conducted on the wood component treated in the S4; and S6, the wood component treated in S5 is sealed and protected. According to the technical scheme, the mirror surface effect, pore sealing, antifouling and waterproof performance, wood stability and other aspects are remarkably improved in the field of purple light wingceltis furniture surface treatment.

The invention discloses a wood-based composite phase-change material and a preparation method thereof, and belongs to the technical field of phase-change materials.The preparation method of the wood-based composite phase-change material comprises the following steps that wood is cut and then added into delignification liquid to be heated, the wood is taken out and washed with water, and delignified wood is obtained; the delignification wood is added into the modification liquid to be heated, and after being taken out, the delignification wood is washed and dried to obtain pretreated wood; mixing polyethylene glycol, citric acid and boric acid, heating and stirring to obtain a phase change material; dipping the pretreated wood into the phase change material for vacuum dipping, taking out and drying to obtain the phase change material. The modified liquid is prepared from an ethanol water solution, a modified filler, 2-(3, 4-cyclohexene oxide) ethyltrimethoxysilane and triethylamine. The delignification liquid and the modification liquid are adopted for pretreating the wood, so that the wood can be better firmly combined with the phase change material, leakage is prevented, and the finally prepared wood-based composite phase change material has excellent heat management capacity and stability.

The invention relates to the technical field of wood manufacturing, in particular to a preparation method of a multifunctional phase-change transparent wood-based composite material, which comprises the following steps: delignification of wood through acidic sodium chlorite, modification with silica sol to obtain a porous template, dipping in a PEG / MMA / AIBN / acetone mixed solution, and hot press molding to obtain a phase-change transparent base material; and finally, coating a PDMS solution containing cesium tungsten bronze and strontium aluminate, and performing low-temperature drying twice to obtain the multifunctional composite material. Silica sol pretreatment is combined with a PEG / MMA impregnation and compression technology, the preparation process is simple and easy to implement, leakage of the phase change material can be effectively prevented, meanwhile, the stability and performance consistency of the composite material are improved, the material is suitable for large-scale production, meanwhile, cesium tungsten bronze and strontium aluminate are introduced, the material is endowed with hydrophobicity, light-emitting characteristics and heat shielding capacity, and the material is suitable for large-scale production. And the intelligent building has the functions of photo-thermal management, self-cleaning and decoration, so that diversified application requirements are met.

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 invention discloses a preparation method of a wood water collecting material for extracting water from air. The method comprises the steps that natural wood is pretreated, a photo-thermal material-nano carbon black is added, the material is endowed with photo-thermal conversion performance, then moisture absorption salt is added, a product is subjected to freeze drying after loading is finished, and the high-moisture-absorption wood is obtained. The method has the advantages of simple process flow, mild reaction conditions, short reaction time, excellent moisture absorption and photo-thermal conversion performance, and good practical application value.

The invention provides a preparation method of a stable-size and high-strength laminated timber, which comprises the following steps of: mixing boric acid and choline chloride, and heating and melting at 90 DEG C to form a uniform, stable and transparent liquid, so as to obtain a deep eutectic solvent DES; the preparation method comprises the following steps: under the vacuum degree of-0.1 MPa, dipping wood veneers in DES, performing high-temperature steam sterilization treatment under the condition of 121 DEG C, assembling the veneers subjected to multi-layer treatment according to a rift-grain mode, and performing hot pressing at 160 DEG C to obtain the laminated timber with stable size and high strength. The prepared laminated timber has dimensional stability and good mechanical properties, has structural applicability of direct contact with a moisture environment, and has the advantages of mildew resistance, corrosion resistance, flame retardance and the like.

The invention provides a solid wood floor secondary balance humidifying method based on dynamic moisture content closed-loop control. The solid wood floor secondary balance humidifying method comprises the steps that a wood digital structure model is established; based on the wood digital structure model, a deep learning algorithm is used for recognizing a high-density area and a low-density area, laser micropore machining is conducted on the high-density area, surface sealing treatment is conducted on the low-density area, and preprocessed wood is obtained; sequentially carrying out silane coupling agent pretreatment and titanate coupling agent modification treatment on the pretreated wood, and automatically adjusting temperature and humidity parameters in a cabin when detecting that the moisture content drift is greater than 0.3%, so as to control the moisture content of the wood in a range of 8-10%; and the wood obtained after dipping treatment is subjected to programmed heating curing treatment, heat of high-temperature gas generated in the curing process is recycled through a heat exchanger and used for a humidity adjusting process, and a cured solid wood floor product is obtained.

The invention belongs to the technical field of renewable resource utilization and new energy, and relates to a wood-based water photovoltaic power generation material and a preparation method and application thereof.The wood-based water photovoltaic power generation material is prepared by taking natural wood as a raw material, performing chemical modification treatment and combining directional freeze drying and salting-out treatment. The wood-based water photovoltaic power generation material with relatively good mechanical strength is prepared by using the wood-based material as a raw material, the wood-based material has a highly-oriented porous structure, and under the conditions of 25 DEG C, standard atmospheric pressure and relative air humidity RH 30%, a 200-mesh copper mesh is used as an electrode, and the open-circuit voltage of a nano power generation device obtained by assembling in deionized water reaches 110 mV, and the short-circuit circuit reaches 0.74 mA. The material is simple in preparation process and wide in application scene, adopts natural high polymer materials as raw materials, has the environment-friendly advantages of reproducibility and biodegradability, and has a wide application prospect in the field of new energy materials.

A structure can be formed by wrapping one or more densified, lignin-compromised wood veneers wrapped around a central axis. The wrapped wood veneers can form a circumferentially-extending wood wall. A glue can be provided on one or more surface portions of each wood veneer. The wood veneers can be lignin-compromised by in situ lignin modification, partial delignification, or full delignification. The circumferentially-extending wood wall can form a hollow member, for example, a tube, pipe, cup, tank, or bottle. Alternatively, the circumferentially-extending wood wall can surround a central member, for example, to form a rod, bat, club, or dowel.

The invention provides a bamboo pole pencil board and a preparation method and application thereof, and the preparation method comprises the following steps: sequentially performing dry carbonization softening and wet flattening on raw materials, and then performing wax dipping to obtain the bamboo pole pencil board, the raw materials comprise flattening plates or splice plates. The bamboo rod pencil board is high in strength, good in size stability, free of warping, smooth in surface, good in pencil point forming, close to a poplar pencil board in coiling and cutting performance, environmentally friendly and safe in preparation process, free of harmful substances such as formaldehyde and the like, capable of meeting the safety requirement and capable of meeting the requirements of student supplies and office supplies.

The invention relates to the technical field of bamboo processing and modification treatment, and discloses a method for improving high-permeability bamboo modification, which comprises the following steps: preparing a mixed aqueous solution of 9.25-37 mmol / L of alkali compound and 9.3-27.8 mmol / L of persulfate, and dipping bamboo at normal temperature for 3-6 hours; the soaked bamboo wood is heated and activated, and the activation mode is selected from one of 60-80 DEG C constant-temperature water bath treatment, 300-550 W microwave radiation treatment or 100-400 W ultrasonic radiation treatment; and after the activated bamboo wood is cleaned to be neutral, freeze drying is conducted at the temperature ranging from-50 DEG C to-70 DEG C. According to the method, free radicals generated by alkali liquor swelling and synergistic thermal activation of persulfate are utilized, bamboo blocking pore extracts are oxidized and degraded, a fluid conduction path is dredged, the permeability and porosity of the bamboo are improved, the original mechanical strength of the bamboo is kept, and the technical problems that traditional modified liquid medicine is difficult to permeate, and a skeleton is damaged due to strong base treatment are solved.

The invention relates to a method for producing a wooden composite board, comprising the steps: producing of a raw wooden composite board which has a first side surface, a second side surface which runs parallel to the first side surface, and edge surfaces which connect the side surfaces to one another; applying of a flame retardant-containing liquid at least to the first side surface; and applying of a negative pressure to the second side surface, with the result that the flame retardant-containing liquid is sucked into an edge zone of the raw wooden composite board; and / or applying of a positive pressure to the first side surface, with the result that the flame retardant-containing liquid is pressed into an edge zone of the raw wooden composite board, with the result that the wooden composite board is produced.

A high-dimensional stability flame-retardant wood-based panel, its preparation, and its application are disclosed. The preparation includes: placing the wood-based panel in an impregnation tank and injecting an aqueous solution of branched polyethyleneimine; removing the wood-based panel and drying it to allow the amino groups on the branched polyethyleneimine to undergo a grafting reaction with the hydroxyl groups on the wood; placing the wood-based panel in an impregnation tank and injecting an aqueous solution of 3-aminopropyltriethoxysilane; removing the wood-based panel and drying it to allow the unreacted amino groups on the branched polyethyleneimine grafted onto the wood to chemically react with the hydroxyl groups on the phosphate; and placing the wood-based panel in an impregnation tank and injecting an aqueous solution of 3-aminopropyltriethoxysilane to chemically react with the unreacted hydroxyl groups on the phosphate that have reacted on the branched polyethyleneimine to chemically react with the amino groups on the 3-aminopropyltriethoxysilane. This provides a wood-based panel that simultaneously satisfies flame-retardant properties and high dimensional stability.

A wood preservative composition and method for preserving wood by contacting wood with said composition comprising a polyurethane polymer, non-aqueous solvents, and a wood preservative active.

The invention discloses a formaldehyde-free environment-friendly multi-layer solid wood composite floor and a preparation method thereof.The formaldehyde-free environment-friendly multi-layer solid wood composite floor comprises a balance solid wood layer, a functional solid wood layer and a wear-resistant solid wood layer which are sequentially arranged from bottom to top; central areas among the balancing solid wood layer, the functional solid wood layer and the wear-resistant solid wood layer are formed by hot pressing of non-formaldehyde glue, and edge parts are formed by connecting of self-locking structures; first grid grooves are formed in the center area of the upper surface of the balance solid wood layer, a plurality of first pressing blocks corresponding to the first grid grooves are arranged on the lower surface of the functional solid wood layer, second grid grooves are formed in the center area of the upper surface of the functional solid wood layer, and a plurality of second pressing blocks corresponding to the second grid grooves are arranged on the lower surface of the wear-resistant solid wood layer. On the basis of ensuring the connecting strength of the floor, the floor has the characteristics that the glue consumption is reduced and the floor is more environment-friendly.

The utility model provides a kind of self-induction removes bamboo inner node equipment, it can carry out the inner node and bamboo yellow of whole long bamboo material of semicircular to remove, and will not remove bamboo meat, improves bamboo utilization, operation efficiency is high, and inner node is removed clean without residue.It includes machine body, power roller device, cutting part, telescopic part.Machine body includes disc, fixed hollow cylinder on disc, there are three bearing support holes on disc, and there are three groups of sliding blocks on the back of disc;Cutting part includes tool shaft, cutter head, conical cutter, arc-shaped bending cutter and drill bit;Telescopic part includes three fan-shaped telescopic blocks, three star gears, inner gear ring and inner gear ring pushing device;Inner gear ring pushing device pushes inner gear ring to rotate around axis, star gear rotates, rack and telescopic block are moved along radial direction, so that the outer edge of tray is in contact with the bamboo yellow surface of bamboo;The cutter body of bending cutter is in sliding contact with the outer wall of tray edge under the action of centrifugal force, and the cutting edge cuts bamboo inner node and bamboo yellow.

To open a way of effective utilization of moisture contained in raw wood and a bamboo material.SOLUTION: This invention includes forced drying steps (ST11, ST13) for forcedly drying felled raw wood or a bamboo material in a process for manufacturing a product, and moisture recovery steps (ST12, ST14) for recovering moisture extracted from the raw wood or the bamboo material in the forced drying steps. Forced drying means heating drying or freeze-drying.SELECTED DRAWING: Figure 2

The utility model discloses a purification adsorption box for removing formaldehyde from plates, which comprises an adsorption box, a heating box and a driving motor, a plurality of support plates for supporting the plates are fixedly mounted on two sides of an inner cavity of the adsorption box along the vertical direction, the heating box is fixedly mounted at the top of the adsorption box, and a heating coil is fixedly mounted in the inner cavity of the adsorption box. A heat conduction pipe communicated with an inner cavity of the adsorption box is fixedly installed at the top of the adsorption box, the end, away from the heating box, of the heat conduction pipe extends to the position right behind the adsorption box, a plurality of guide pipes are fixedly installed on the outer wall of the heat conduction pipe, and a plurality of installation holes matched with the guide pipes are formed in the outer wall, away from the open end of the adsorption box, of the adsorption box in the vertical direction. The ends, away from the heat conduction pipe, of the multiple guide pipes are inserted into inner cavities of the mounting holes. According to the utility model, through the mutual cooperation of all the components, the volatilization efficiency of formaldehyde in the plate can be effectively improved, and the content of formaldehyde in the treated plate is further reduced.

The application discloses an environment-friendly anti-deformation reed-wood composite shaving board and a preparation method thereof, belongs to the technical field of the board material, and the raw material of the reed-wood composite shaving board comprises wood chips, reed fibers, basalt fibers, lignin fibers, plant extracts, nano silicon dioxide, acetylated di-starch phosphate, C30-45 alkyl cetyl stearyl dimethicone cross-linked polymer, PEG-10 polydimethylsiloxane-vinyl dimethicone cross-linked polymer, methyl methacrylate cross-linked polymer, MDI adhesive and organic silicon waterproof agent in specific proportions. The components are used in cooperation, the shaving board is prepared in a directional mode, has excellent mechanical properties, is resistant to cracking and deformation, and is improved in the environmental protection performance, and the usage amount of glue is reduced. The novel formaldehyde-free adhesive and the plant extracts are adopted to replace traditional formaldehyde-containing glue and mold-proof and insect-proof agents, formaldehyde release is effectively avoided, and a healthier home decoration board selection is provided for consumers.

The invention discloses a self-adaptive variable-diameter spiral groove numerical control machining method and device based on wood curvature perception, and belongs to the technical field of wood spiral groove machining. The method comprises the following steps that S1, wood feeding and positioning are conducted, square timber to be machined is fixed through a self-adaptive clamp, and it is ensured that the axis of the square timber is aligned with the machining standard; s2, real-time data collection is conducted, specifically, the front face, the back face and the two side faces of the batten are scanned through multiple sets of laser displacement sensors, the curvature and moisture content data of the wood are collected in a high-precision mode through the multiple sets of laser displacement sensors, and a customized tool path matched with irregular deformation of the wood is generated in combination with a least square method curvature fitting algorithm; and meanwhile, a cutting pressure dynamic compensation mechanism is matched, the cutting pressure is stabilized within a reasonable range, heat expansion and cold contraction deformation of the groove profile is avoided through composite cooling shaping after machining, finally, the groove profile machining precision reaches + / -0.05 mm, the problems that traditional fixed parameter machining is poor in adaptability and low in size consistency are thoroughly solved, and the follow-up assembly difficulty is greatly reduced.

This invention relates to the field of wood processing technology, and provides a novel method for preparing slicing from the decay and softening of extra-hardwood. The method includes the following steps: immersing a wood sample in a water-filled container, first applying a vacuum, then depressurizing and maintaining the pressure for a period of time to allow liquid water to penetrate the wood cell cavities; heating the immersed sample and applying a vacuum again to cause the liquid water to boil and vaporize; extracting the sample after the bursting treatment with cold and hot water sequentially to remove extractives from the wood and reduce its decay resistance; adjusting the moisture content; treating the sample with brown rot fungi to cause decay and softening on the axial surface of the sample; soaking the sample in water and then freezing it until it is solid, followed by slicing. This invention can successfully produce slicings of extra-hardwood, providing a strong theoretical foundation and technical means for studying the structure of extra-hardwood, predicting its physical and mechanical properties, and improving its high-value-added processing and utilization.

The present application relates to the technical field of artificial board, and discloses a kind of mould-proof composite board for wardrobe and a preparation method thereof.The composite board for wardrobe prepared by the present application is prepared by using rubberwood sheet as main raw material, impregnating treatment with mould-proof and antibacterial agent, and then adhesive treatment with adhesive containing mould-proof and antibacterial agent.The composite board realizes long-term inhibition of mould through multi-mechanism sterilization of components, synergistic effect and material level protection, and is suitable for wardrobe application in high-humidity environment.In addition, the use of mould-proof and antibacterial adhesive also endows the composite board with excellent bonding strength.

The invention discloses a preparation method of a CuInS2 / FeS2 wood mildew-proof antibacterial agent, which comprises the following steps: dissolving cuprous chloride, indium chloride tetrahydrate, ferric trichloride hexahydrate and thiourea or thioacetamide in ethylene glycol, and carrying out one-step solvothermal reaction and calcination to obtain a CuInS / FeS composite antibacterial agent; the material has triple effects of photo-thermal, photocatalysis and copper ion slow release, and can inhibit mildew and decay fungi on the surface of wood under the condition of visible-near infrared illumination or no illumination. NH4VO3 and 2-methylimidazole are added into a reaction system and calcined in an ammonia-containing atmosphere, so that a V < 5 + > / V < 4 + > redox pair can be formed on the surface, near-infrared absorption is further widened, electron-hole recombination is delayed, and long-acting antibiosis under weak light is realized. The process is simple, does not contain chromium and arsenic heavy metals, and is suitable for environmental protection of wood materials.

This utility model discloses a make-up air structure for a board material purification system, including an insulated box with an air inlet and an air outlet connected end-to-end. A heating oil pipe is located at the bottom of the insulated box, with the air outlet below the heating oil pipe and the air inlet at the top of the insulated box. The heating oil pipe is connected to a thermal oil heater. An exhaust system is connected to the insulated box, and the air inlet and outlet are connected via an air supply pipe. A circulating fan is installed on the air supply pipe, and a make-up air pipe is connected to the air supply pipe. This utility model can supplement fresh air into a board material purification system with a thermal circulation structure to maintain air quality and pressure balance within the insulated box.

The utility model discloses a bamboo fork heating machine convenient to take and place products, and relates to the technical field of bamboo fork processing, the bamboo fork heating machine comprises a base, the top of the base is fixedly provided with a case, the two sides of the case are both fixedly provided with containing mechanisms, the two sides of the top of the case are both fixedly provided with sealing mechanisms, and the sealing mechanisms are arranged on the base. The bottom of the sealing mechanism covers the inner side of the containing mechanism. By the adoption of the structure, when the device is used for overall heating, the two sets can work alternately, one set is in a steam heating state, the other set is in a standing cooling state, due to the ingenious design, when the bamboo forks which are just heated are cooled, the other set can conduct heating synchronously, cooling is achieved through the heating time, the bamboo forks can be taken out conveniently after being cooled, and the service life of the bamboo forks is prolonged. And time can be fully utilized for heating, so that the production and processing efficiency of the equipment is greatly improved, great convenience is brought to the use of the device, and the whole production process is more efficient and smoother.

This invention discloses a method for preparing archaeological-style wood for cultural relic conservation research, belonging to the field of cultural relic conservation technology. The method includes: wood selection and pretreatment; gradient-zone degradation treatment, constructing a temperature gradient field, radiation gradient field, or gas concentration gradient field to form a structure with gradually changing degradation levels; directed colonization and metabolism of microorganisms, introducing microbial communities with the ability to degrade cellulose, hemicellulose, or lignin in stages; transitional environment simulation, periodically regulating temperature, humidity, and gas composition; and stabilization and termination treatment, using gamma-ray irradiation or ethylene oxide gas fumigation. This invention, through the synergistic effect of gradient degradation, staged microbial colonization, and environmental simulation, prepares archaeological-style wood with continuous gradient changes in chemical composition and microstructure, providing a high-fidelity and controllable experimental sample for cultural relic conservation research.

The utility model relates to the technical field of veneer dyeing, in particular to heating equipment for veneer dyeing, which comprises a thermal insulation outer cylinder, a heating cylinder is arranged in the thermal insulation outer cylinder, a stirring mechanism is arranged in the heating cylinder, a heating mechanism is arranged at the bottom end of the heating cylinder, and feeding mechanisms are arranged at the top end and two sides of the thermal insulation outer cylinder. Through a dye injection port and a water injection port which are formed in the feeding mechanism, the water outlet ends of a dye storage barrel and a water storage barrel are communicated with the dye injection port and the water injection port respectively, a flow limit value is set through a quantitative control box, an electromagnetic valve and a flow meter are opened to meter inflowing liquid, and when the flow reaches a designed value, the electromagnetic valve is automatically closed; the feeding mode can be automatically operated in the whole process, and inconvenience caused by manual metering is avoided. The servo motor is started to drive the stirring shaft to rotate, so that the stirring blades and the spiral stirring rod are driven to rotate synchronously, and the effect of fully stirring a coloring agent and water is achieved.

The application belongs to the technical field of wood modification, and particularly relates to chitosan-tea polyphenol modified flame-retardant hydrophobic modified wood and a preparation method thereof. The preparation method of the chitosan-tea polyphenol modified flame-retardant hydrophobic modified wood provided by the application adopts a layer-by-layer self-assembly impregnation mode, and fast-growing wood is respectively impregnated in a chitosan solution and a tea polyphenol solution, and after drying, the surface of the fast-growing wood is electrostatically adsorbed with chitosan and tea polyphenol to form a hydrophobic flame-retardant surface, so that a material with hydrophobic and flame-retardant double characteristics can be obtained without subsequent surface energy material or other flame retardant modification. Moreover, the preparation process and principle of the application are simple, the raw materials are widely sourced, green, environmentally friendly and renewable, the texture characteristics of the wood itself can be retained after modification, the color is natural and beautiful, and the application has extremely competitive industrialized production feasibility in the field of high-quality modified wood preparation.

The utility model discloses wood product heat treatment fumigation equipment, and relates to the technical field of wood product treatment. The wood product heat treatment fumigating equipment comprises a fumigating box and an exhaust pipe fixedly arranged on the top face of the fumigating box in a penetrating mode and extending into the fumigating box, and a fumigating mechanism and a control mechanism are arranged on the inner side of the fumigating box; the control mechanism is located on the outer wall of the fumigating mechanism; the fumigation mechanism comprises a placing part and a fumigation part; the placing part comprises a placing frame and a plurality of placing plates, and the fumigating part comprises an air inlet pipe and a turbine; the fumigation device has the technical effects that the steam inlet pipe in the fumigation mechanism introduces steam into the fixed frame and drives the turbine to rotate to enable the rotating box to rotate, the rotating box exhausts the steam through a plurality of steam outlet pipes, the steam spraying range is enlarged, the steam spraying effect is improved, and the steam spraying effect is improved. All parts of the wooden product are fully fumigated, the fumigating effect is improved, the wooden product quality is guaranteed, and the insect attack risk is reduced.