128results about "Electric wood treatment" patented technology

The invention discloses a preparation method for high-strength antibacterial mould-proof bamboo plywood. The preparation method comprises the steps that a bamboo sheet is manufactured, specifically, the bamboo sheet is dried to be 8-15% in moisture content, and then the bamboo sheet is subjected to plasma processing to obtain a material A; the material A is added into an antibacterial agent to be soaked for 30-45 min, and then is dried to be 8-15% in moisture content to obtain a material B; the material B is soaked in a phenolic resin adhesive for 100s-120s, and then is dried to be 10-15% in moisture content to obtain a material C; the material C is assembled to obtain a work board; the work board is subjected to hot-pressing consolidation to obtain a substrate; and the substrate is aged to obtain the high-strength antibacterial mould-proof bamboo plywood. The preparation method for the high-strength antibacterial mould-proof bamboo plywood has the advantages of being simple in process, mild in condition and low in cost; and the obtain bamboo plywood is high in strength, good in corrosion resistance and excellent in antibacterial and mould-proof performance.

The invention relates to a preparation method of a high-thermal-conductivity graphene floor heating floor. The method comprises the following steps of 1 single plate pretreating, 2 air drying at roomtemperature, 3 plasma treating, 4 dipping, 5 drying, 6 single plate blank matching and 7 hot pressing. According to the preparation method, a graphene-metal composite material is dissolved into a dipping solution, dipping modification is conducted on wood, the graphene-metal composite material is evenly distributed in wood cell cavities, therefore, the thermal conductivity of the wood can be greatly improved, and the density and the stability of the wood can be enhanced. The modified wood is made into the high-thermal-conductivity graphene floor heating floor by being taken as a veneer layer,a middle layer and a substrate, the thermal conductivity of the floor is effectively improved, and the functions of saving energy and reducing consumption and being uniform in thermal dissipation, stable in structure and the like of the floor heating floor are achieved.

The invention relates to the technical field of wood processing, in particular to a wood antiseptic treatment method, in which wood of an appropriate size is selected, sent into an expansion chamber, expanded, immersed in a diluted quaternary ammonium copper solution, and combined with a high-voltage pulse electric field during treatment treatment, and finally, drying the processed wood. The wood antiseptic treatment process of the present invention is simple, low energy consumption, good permeability of the preservative, effective combination with wood, and low loss rate in the later antiseptic process.

The invention discloses a manufacturing method of low-glue environmental protecting plywood, and belongs to the technical field of manufacturing of artificial boards. The process comprises the following steps: a wood section is rotationally cut to 1-3 mm wood veneers; the wood veneers are dried to adjust the water content to 2-15%; the normal-pressure and low-temperature plasma modifying treatment is performed for two surfaces of the veneers; through ultrasound and cyclone synergistic effect, adhesive is atomized as particles with a diameter of smaller than 40 microns to spray the surfaces of the veneers; the applying quantity of the adhesive on one surface is controlled within 10-80 g/m2; the veneers are assembled to a blank by perpendicular fiber grain directions of the veneers on adjacent layers; and the blank is hotly pressed to prepare the low-glue environmental protecting plywood. The performance of the product prepared by the method accords with the national plywood standard requirement; the formaldehyde emission reaches the E0-grade requirement; the adhesive dosage is reduced by 30-70% compared with a traditional gluing mode; the product quality is prominently promoted; and the production cost is obviously reduced. In addition, the method is energy-saved and environment-friendly in production process; and production equipment is convenient for operation, high in efficiency, excellent in controllability and capable of realizing continuous automatic operation.

The invention discloses a method for utilizing dendrocalamus affinis leaves to process zongzi wrapping leaves. Dendrocalamus affinis leaves are adopted as a processing material for zongzi wrapping leaves. The method comprises the technological processes of dendrocalamus affinis leaf picking, green color protecting through a green-preserving agent, sorting and stacking, ultralow temperature freezing treatment, drying, and discharging and dampening, wherein the green color protecting technology comprises the steps of placing the leaves in sodium copper chlorophyllin to be soaked for 20 min, and then, placing the soaked leaves into an electrochemical device to be subjected to electrochemical treatment. According to the method, the dendrocalamus affinis leaves can be utilized to supplement the zongzi wrapping leaf resource, and the contradiction between supply and demand is relieved; the green color of the zongzi wrapping leaves is achieved through utilizing the sodium copper chlorophyllin, and the food safety problem is avoided; and the reaction is promoted through adopting an electrochemical manner.

The invention discloses a production process for formaldehyde-free multiply plywood. The production process mainly includes the following steps of cold plasma processing, double-sided gluing of single boards, assembly, hot-press molding, contact calibrating, gluing and veneering, veneer hot pressing, edge sawing, sanding and finished product obtaining. According to the production process, under a high-temperature hot-pressing action of the boards, after isocyanate modified soy protein adhesive is unblocked, the activity of -NCO radials of isocyanate is recovered, and the -NCO radials carry out a cross-linking reaction with degraded soy protein and wood, so that a uniform space mesh structure is formed, the cohesion strength is improved, formation of stable chemical bonds on the surface of the soy protein and the surface of the wood can be facilitated, and thus water resistance of the soy protein based adhesive is improved.

A manufacturing method for a bamboo wood surface loaded nanometer titania material. The method comprises the following steps that firstly, sulfonation treatment of nanometer titania is conducted, and a TIO2 nano material is prepared into a water solution with the set mass fraction to be used later; secondly, cold plasma processing is conducted on bamboo wood; and thirdly, preparing of bamboo-base nanometer titania composite materials is conducted, wherein the process comprises the following steps that cold plasma processing is conducted, the bamboo wood is then immersed in the nano TIO2 water solution obtained after sulfonation treatment, and then the bamboo-base nanometer titania composite material is prepared. The manufacturing method for the bamboo wood surface loaded nanometer titania material uniform in titanium dioxide distribution, easy to operate, large in load amount and firm in combination with wood is provided.

The invention provides a method of inhibiting biological damage to a cellulosic structural element exposed to environmental moisture, said method comprising applying a pulsed asymmetric electrical voltage to a decay-prone region of a said element over a prolonged time period.

The invention discloses low-glue-application-amount environment-friendly wood single composite normal-pressure and low-temperature plasma processing equipment and an operation method thereof. According to the equipment, a machine body is formed by assembling profile frames; a low-temperature plasma electrode base station is mounted between a belt type conveying platform and a roller type conveying platform; the belt type conveying platform is mounted at the front end of the machine body and fixed on the profile frames; the roller type conveying platform is mounted at the tail end of the machine body and fixed on the profile frames; a trace glue application device is mounted on the profile frames, is located at the back end of the low-temperature plasma electrode base station and is located above the roller type conveying platform; a cooling fan is further arranged, is located in the machine body and is located below the low-temperature plasma electrode base station; an upper metal air collecting cover and a lower metal air collecting cover are further arranged outside the machine body; and a power device is further arranged. The invention further provides an operation method. The equipment is simple to operate, high in controllability and low in treatment cost.

The invention discloses a processing method for improving the hardness of a cedar craft. The method comprises the following steps of (1) activating treatment, wherein a cedar product is immersed in a hormone solution and a plant alkaloid solution respectively to be subjected to immersion treatment; (2) antibacterial immersion, wherein the activated product is immersed in a sterilization solution to be subjected to vacuum steaming; (3) ionization treatment, wherein on-load voltages of 120-130 V and 150-156 V are used for ionization respectively, and two cycles of ionization treatment are carried out in the conditions of 92-97 DEG C and 115-120 DEG C; (4) magnetizing curing, wherein the ionized product is immersed in an alkaloid solution to be subjected to magnetizing treatment at the frequencies of 1-2 MPa and 3-4 MPa respectively; (5) drying, wherein the product is dried to the water content of 6-8% at 60-65 DEG C. According to the cedar craft processed by the method, the Rockwell hardness is improved by 116 HR, the tensile strength is improved by 29 MPa, the absorptive performance is reduced by 13.8%, and the flame retardance is improved by 25 S.

The invention discloses a bamboo material modifying method and a bamboo plate and belongs to the field of wood materials. According to the bamboo material modifying method, under the action of a 20-60KV high-voltage electrostatic field, high-voltage electrostatic treatment is carried out on a bamboo plate body with silver plates fitting on the upper and lower end faces. The bamboo plate after modified treatment sequentially comprises a nano-silver element permeation layer, a bamboo plate body, and a nano-silver element deposition layer/nano-silver element permeation layer in the thickness direction of the plate. The bamboo material after high-voltage electrostatic modified treatment has larger anti-corrosive and mildewproof treatment depth; the permeation depth of the nano-silver elementin the plate is 0.05-1mm; and the modified bamboo material is higher in anti-corrosive and mildewproof effect.

The invention discloses a method of a super hydro-oleophobic flame retardant coating finishing base material. The method comprises the following steps: firstly, preparing a base material modified by 2to 30 bilayers by using a layer-by-layer self-assembly mode; secondly, carrying out after finishing on the treated base material by using a fluorine-containing siloxane solution and drying, thus obtaining a super hydro-oleophobic flame retardant coating on the surface of the base material. The base material finished by the method has the advantages of super hydro-oleophobic properties and excellent flame retardancy; the defects such as poor water resistance of an existing layer-by-layer self-assembly coating, damage to an internal structure of the material by a traditional flame retardant method and the like are overcome; the method of the super hydro-oleophobic flame retardant coating finishing base material is suitable for the super hydro-oleophobic flame retardant modification of materials such as fabrics, wood, foam and plastics.

The invention discloses a mouldproof modification treatment method of maize straws. The method comprises the steps of: (1) pretreatment of the straws; (2) modification; and (3) drying. The method is scientific and reasonable in step matching; the treated maize straws are excellent in comprehensive performance; and compared with the prior art, the mould and insect preventing time of the maize straws is prolonged by 20-25%, the water absorption is reduced by 30% or above, the fire resisting temperature is increased by 30-40 DEG C, and the use stability and the life are better.

The invention discloses an anti-cracking treatment method for a rattan. The method comprises the following steps: treating the rattan in a dark environment of which the humidity is 65% to 68% and the temperature is 8 to 10 DEG C, and irradiating twice; subsequently soaking the rattan in warm water and putting in cold storage; dissolving chitosan in a saturated carbon dioxide water solution to prepare a solution for soaking the rattan; and treating the rattan by utilizing low-temperature plasma generated by dielectric barrier discharge at atmospheric pressure. In comparison with an existing rattan treatment method, the method disclosed by the invention has the advantages that a knitted product made from the rattan treated by the method disclosed by the invention is not deformed, free of cracks and very comfortable to skin in use; the bearing capacity is increased; the dimensional stability is good; decrustation of the rattan can be effectively prevented; after the rattan is knitted, the strength of the rattan is gradually restored and is increased by 2% to 3% in comparison with the original strength; the treated rattan is quite good in corrosion prevention effect, good in rattan softening effect and harder to mildew and damage in use; the knitted product prepared by the rattan treated by the method disclosed by the invention is free of mildew and worm damages and can be kept in the original color within at least 8 years.

The invention discloses a making-old treatment method for a wooden product. The method comprises the first step of wooden product pretreatment, the second step of making-old treatment and the third step of drying quality keeping treatment. The method is overall simple and high in treatment efficiency, and the making-old treatment can be finished in one day. Compared with the traditional treatment manners in which the making-old treatment is finished in at least one week and even in one month, the work efficiency is greatly improved, and the manufacturing cost is reduced. The surface of the wooden product subjected to making-old treatment is smoother and more compact, the humidity resistance is better, and the water absorbing rate is reduced by about 15%. During using, the cracking rate is reduced by about 20%, the durable duration of the wooden product is prolonged by 10% or more, and the using value is high.

The invention belongs to the technical field of anticorrosive bamboo plate processing, and specifically relates to a preparation method for an outdoor anticorrosive bamboo plate. The preparation method comprises the steps of carrying out impregnation treatment on acquired fresh bamboo materials, then drying the acquired fresh bamboo materials in an airtight environment, carrying out carbonizationtreatment, preparing a compound adhesive solution, and preparing the plate. Compared with the prior art, the preparation method has the following advantages: a boric acid aqueous solution or a boric acid aqueous solution containing ammonium polyphosphate is utilized for carrying out treatment under the action of a pulse current, so that the treatment time is greatly shortened, and anticorrosive and mold-proof effects in the strip bamboo materials are also achieved; and high-temperature carbon dioxide is utilized for drying intermediate materials, and then impregnation is carried out in the compound adhesive solution, so that the adhesive impregnation quality is ensured, the obtained bamboo plate is stable in quality and high in density, and has high water-resistant, anti-insect, mold-proofand weather-proof effects, the service life of the bamboo plate reaches 10 years and above in the case of being laid outdoors, and the mechanical property and the mold-proof effect of the bamboo plate cannot be influenced even if screws are used, so that the use range of the bamboo plate is expanded.

The invention relates to a method for enhancing the bonding performance of crop straw through water vapor dielectric barrier discharge plasma and belongs to the technical field of artificial board manufacturing. The process comprises the steps that leaves, sheaths and branch knots of the straw are removed, the straw is cut to be 2-30 cm long and subjected to softening and drying treatment, the moisture content is adjusted to be 6%-10%, and the straw is put into a quartz reaction cavity of special water vapor dielectric barrier discharge plasma for processing the straw; gas containing water vapor is introduced into the reaction cavity, the pressure inside the cavity is controlled to be 5-100 kPa through a vacuum pump, a plasma power source is started, the discharge power is adjusted to be 20-500 W, and the electrode interval is adjusted to be 5-12 mm, so that water vapor among electrodes is triggered and discharges electricity to generate the low-temperature plasma, and the surface of the straw is processed for 10-600 s continuously; and adhesives are applied to the surface of the processed crop straw and are curved after being subjected to hot pressing to reach the bonding strength. The method can remarkably improve the bonding performance between the inner surface and the inner surface of the straw, between the inner surface and the outer surface of the straw as well as between the outer surface and the outer surface of the straw and improve the quality of straw board products, and the equipment is simple, easy to operate, capable of saving energy, efficient, environmentally friendly and free of pollution.

The invention discloses a wood surface hydrophobic treatment method and relates to the technical field of wood treatment. The wood surface hydrophobic treatment method comprises the following steps: (1) pre-treatment; (2) microwave treatment; (3) vacuum impregnation; (4) low-temperature plasma treatment; when wood is treated through the wood surface hydrophobic treatment method disclosed by the invention, not only can the hydrophobic properties of wood surfaces be effectively improved, but also the corrosion resistance of the wood surfaces can be effectively improved, so that the application range and the working life of the wood can be effectively improved.

The invention discloses a manufacturing method for a waterproof bamboo tea tray. Firstly, a bamboo sheet/dodecyltrimethoxysilane water resistance composite material board is prepared, and then a bamboo tea tray is prepared and is subjected to sealing and filling treatment, and finally, a finished product of the waterproof bamboo tea tray is obtained; a bamboo sheet is soaked in a dodecyltrimethoxysilane water resistance solution for dipping to make the bamboo sheet have the excellent effect of water resistance and mildew resistance. Tenons and mortises of tea tray members are coated with hydroxymethyl resorcinol and mono-component moisture curing polyurethane glue to achieve sealing treatment of the end face of the bamboo tea tray; a connection gap between the members and unevenness of a board surface are filled with bamboo powder with 160-240 meshes and AB epoxy glue with surface dry of 30 minutes; and therefore, the problem of easy water seepage, cracking and mildewing of the bambootea tray in a current market can be effectively solved, the quality of the bamboo tea tray is improved, the service life of the bamboo tea tray is prolonged, the waste of bamboo wood resources is avoided, the added value of bamboo wood is raised, a forest and ecological environment are protected, and economic, social and ecological benefits are good.

The invention discloses a teak discoloration treatment method, and relates to the technical field of wood treatment. The treatment method comprises the steps: (1) surface modification; (2) low-temperature plasma treatment; and (3) light treatment; according to the treatment method disclosed by the invention, teak is soaked in an isocyanato modified solution for treatment, so that auxochromes, such as carbon base, vinyl, methoxyl and carboxyl, in chromophoric groups of the teak surface are effectively reacted physically, and precipitation pigments of the wood surface can be dissolved to a certain extent; and at the same time, black streaks and spots can be removed effectively through active groups in the isocyanato modified solution, and the original color of the wood is diluted.

A processing technology of a fireproof and heat insulation pine solid door comprises the following steps that (1) after pine is processed to the corresponding shape and dimension according to the boundary dimension of the solid door, clear water is used for washing away wood bits and other impurities, and a solid door blank is obtained; (2) the solid door blank is put into an electrolyte to be subjected to electrolytic treatment; (3) the solid door blank obtained after electrolytic treatment in the step (2) is put into a vacuum dryer to be subjected to drying treatment; (4) the outer surface of the solid door blank obtained after drying treatment in the step (3) is coated with an inner coating; (5) after the inner coating is naturally aired, coating of a middle layer is achieved; and (6) after the middle layer is naturally aired, coating of an outer coating is achieved, and the pine solid door is obtained. The pine solid door manufactured through the processing technology is long in service life and smooth in surface, and the coatings are not prone to sliding off.

A manufacturing method of nanometer titania formaldehyde-reduced bamboo plywood includes the following steps of (1) sulfonation treatment of nanometer titania, (2) cold plasma treatment of bamboo veneers, (3) preparation of the bamboo veneers with the surfaces loaded with the nanometer titania, and (4) preparation of the nanometer titania formaldehyde-reduced bamboo plywood, specifically, the prepared bamboo veneers with the surfaces loaded with the nanometer titania are cut into a certain size according to requirements, single-face gluing is conducted by adopting urea resin or melamine urea-formaldehyde resin, longitudinal and transverse crossing laying is conducted according to the laying requirements of common plywood, the veneers are displayed for 10-30 min after laying, and then the veneers are subjected to hot pressing by being placed in a hot pressing machine, so that the nanometer titania formaldehyde-reduced bamboo plywood is obtained. According to the manufacturing method ofthe nanometer titania formaldehyde-reduced bamboo plywood, the titania is distributed evenly, operation is simple, the loading quantity is large, and the titania is firmly combined with wood and bamboo materials.

The invention provides a method for processing wood fibers by plasma for reinforcing the interface bonding capacity of a fiber plate, relates to a method for preparing the fiber plate by blending and hot pressing, and mainly solves the problems that a conventional manufacturing method of wood fiber products harms the environment, and is high in cost and inadequate in processing. The method comprises the following steps of I, drying the wood fibers until the water ratio of the dried wood fibers is 8%-15%; II, placing the dried wood fibers in a reaction kettle, turning on a plasma generator, and adjusting the working parameters of a plasma power source to be 50-60V and 10-25Hz; III, performing gaseous medium surface treatment, and controlling the injecting capacity of gaseous mediums to be 2-3L/h; IV, maintaining the stable plasma state for 2.5-5min; V, turning off the plasma generator, and opening the reaction kettle; and VI, taking out the wood fibers from the reaction kettle, so as to obtain a finished product, wherein high mechanical properties between the finished product and xylogen are obtained, and the bonding capacity of the finished product and the xylogen is improved by about 30%. According to the method disclosed by the invention, the plasma is adopted to process wood fibers so that the interface bonding capacity is reinforced; no chemical preservative is added; the technology is succinct; and the product is green and pollution-free, and is beneficial to environmental protection.