500 results about "Functional composite" patented technology

The invention relates to the technical field of antibacterial and antifouling fabrics, provides a preparation method of an antibacterial and antifouling fabric, and solves the problem of poor fabric durability caused by single functional component and lack of physical protection in the prior art. The preparation method comprises the following steps: S1, preparing MOFs loaded antibacterial fibers: blending a metal organic framework antibacterial composite nanomaterial and a polymer matrix material, and carrying out melt spinning to prepare the MOFs loaded antibacterial fibers; s2, constructing a self-cleaning functional coating: dispersing the fluorinated nanoparticles and a polymer adhesive in a solvent to prepare a self-cleaning coating solution; s2, performing surface activation treatment on the MOFs-loaded antibacterial fiber obtained in the step S1, soaking the MOFs-loaded antibacterial fiber in the self-cleaning coating liquid, and performing pulling and curing to form a bionic micro-nano structure coating on the surface of the MOFs-loaded antibacterial fiber so as to obtain a functional composite fiber; s3, spinning forming: taking the functional composite fibers obtained in the step S2 as warp yarns and / or weft yarns, and weaving to obtain the antibacterial and antifouling fabric.

The invention relates to the field of electromagnetic functional composite materials, and particularly discloses a multi-layer composite structure flexible frequency selective surface material and a preparation method thereof. The ultra-high molecular weight polymer fiber-reinforced polymer-based composite material thin-film mechanical enhanced band-pass frequency selection array sequentially comprises an acrylic acid polyvinylidene fluoride organic polymer coating environment-resistant layer, a metal oxide organic film isolation layer, an ultra-high molecular weight polymer fiber-reinforced polymer-based composite material thin-film mechanical enhanced layer, a band-pass frequency selection layer and a packaging protection layer from top to bottom, and the band-pass frequency selection layer is a hexagonal / circular ring nested band-pass frequency selection pattern array. The packaging protection layer is formed by printing a conductive coating composed of conductive filler / polymer resin matrix, and the packaging protection layer is an ink coating. The flexible frequency selective surface material has the characteristics of light weight, high strength, salt fog / rain / ultraviolet and other severe environments, frequency selective wave transmission and multiple functions, has good gas barrier property, is beneficial to maintaining the shape of an inflatable hangar made of a skin and ensuring normal operation of radar equipment, and has good practical engineering application value.

The invention provides a functional composite one-dimensional metal cavity slot array antenna, which belongs to the field of antennae, and comprises a feed cavity and a cover plate located at the top of the feed cavity, a plurality of groups of periodic intermediate-frequency anti-interference metal blocks and high-frequency anti-interference metal blocks are arranged in the feed cavity, and a radiation slot is formed in the cover plate. The polarization conversion structures are arranged on the two sides of the radiation slot in a stepped and open manner to form an undulating shape; an antenna array is also provided. An anti-interference periodic structure is embedded in the feed cavity, the antenna is endowed with anti-interference capacity in multiple different frequency bands, the polarization conversion structures are arranged on the two sides of the radiation slot in a stepped and open mode to form an undulating shape, an electromagnetic signal is input into the feed cavity, linearly polarized electromagnetic waves are radiated outwards through the radiation slot, and the antenna is formed. Linear polarization electromagnetic waves are decomposed into a group of orthogonal components with the same amplitude after passing through the polarization conversion structure, a 90-degree phase difference exists between the two components, circular polarization is formed to radiate towards the space, the polarization conversion structure is simple in structure and convenient to process, and the scattering characteristic of the antenna is improved.

The invention discloses a multi-action compound server liquid cooling method, which comprises the following steps of: forming an interlayer by adopting a partition plate, placing a server in the interlayer of the partition plate, immersing the server in a flowing liquid-phase cooling liquid for cooling, arranging a spray head above the partition plate to spray a phase-change cooling liquid, and driving the phase-change cooling liquid to be subjected to phase-change gasification by utilizing air flow to take away heat. And multiple composite cooling heat dissipation is realized. According to the invention, a multi-effect composite cooling mode is adopted, the cooling efficiency and the cooling effect are better, the problem of heat explosion in a local area of a server can be solved, and the overall working efficiency and the safety of a server chip are better improved.

The invention relates to the technical field of functional composite probe material preparation, in particular to a three-core spinning technology-based bio-compatible gel probe and a preparation method thereof, and the three-core spinning technology-based bio-compatible gel probe comprises a composite skin layer and three functional core layers; the composite skin layer is composed of a sodium alginate-polydopamine-chitosan grafted copolymer in a mass ratio of 2: 1: 0.5, and contains # imgabs 0 # chondroitin sulfate and # imgabs 1 # polyoxyethylene; the three core layers are respectively a carbon nanotube-polyaniline # imgabs2 # hybrid material, a graphene-polypyrrole-boron nitride hybrid material and a # imgabs3 # polythiophene-hydroxyapatite hybrid material, and the mass ratio of the carbon material to the conductive polymer to the newly added nano material in each core layer is 1: 2: 0.3; and the diameter ratio of the skin layer to the three core layers is 1: 0.28: 0.22: 0.17. According to the invention, multichannel signal transmission is realized, the impedance is reduced by the hybrid material, and the conductivity is improved; the composite skin layer is matched with soft tissue mechanical properties, and interface bonding is stable; and the biocompatible component reduces inflammation, is suitable for acquiring nerve electrophysiological signals, and is easy for large-scale production.

The invention belongs to the field of functional composite materials, and particularly relates to low-viscosity and high-dispersity aluminum oxide slurry and a preparation method thereof.The low-viscosity and high-dispersity aluminum oxide slurry is prepared from a newly-designed phosphono-carboxyl block copolymer and biquaternary ammonium salt polyether silane as composite modifiers; and efficient anchoring and stable dispersion of the surfaces of alumina particles are realized through the synergistic effect of molecular structures. The phosphono-carboxyl block copolymer is prepared through controllable polymerization and deprotection reaction, and strong chemical bonding is formed between a phosphono group and the surface of aluminum oxide; the biquaternary ammonium salt polyether silane is subjected to click chemical synthesis, and electrostatic adsorption of quaternary ammonium salt and the steric hindrance effect of a polyether chain are combined. When the slurry is prepared, the two modifiers are sequentially added into water, the aluminum oxide powder is added after the pH value is adjusted, finally, the isobutylene maleic anhydride copolymer and the defoaming agent are introduced, and the slurry is obtained through vacuum defoaming and filtering. The slurry prepared by the method has the characteristics of high solid content, low viscosity and good dispersion stability.

The invention relates to the technical field of special functional coating materials for lost foam casting, and particularly discloses a special coating for a large machine tool casting lost foam as well as application and a use method of the special coating. According to the invention, the full-temperature-range functional composite material and the composite aggregate are used for synergistic reinforcement, and mullite is used for high-temperature reinforcement; the temperature-sensitive polymer modified graphite can realize intelligent temperature response of graphite performance; spodumene is used as a thermal expansion adaptive fluxing agent, so that medium-temperature healing and thermal expansion adjustment of a coating system are facilitated; the composite reinforced fibers are reinforced and toughened aiming at large thermal stress of thick and large parts; as an ultralow-temperature glazing agent, the boron-containing glazing agent can form an initial liquid phase at about 450 DEG C to seal the surface of the coating and purify a ventilation channel; the rare earth oxide serving as a high-temperature phase stabilizer can be dissolved in mullite crystal lattices, so that the high-temperature phase stability is improved, and ceramic nodes are refined. Through raw material design, on the premise of ensuring moderate air permeability, the ultrahigh strength and crack resistance of a coating system at extremely high temperature are improved.

The invention discloses a wave-absorbing material based on a bionic cobweb structure and a preparation method and application thereof, and belongs to the technical field of functional composite materials. The material comprises a bionic cobweb flat plate, the bionic cobweb flat plate has a cobweb-like structure; the cobweb-like structure is composed of n fan-like areas; meanwhile, the cobweb-like structure is formed by overlapping a framework and second fibers, the framework is formed by arranging n first fibers around the axis in the same plane in the radial direction, no cross-linking point exists between any two first fibers, a plurality of second fibers are arranged on every two adjacent first fibers, and the lengths of the second fibers are sequentially increased in the radial direction; and the second fibers in the bionic cobweb flat plate are non-continuously arranged along the circumferential direction. According to the wave-absorbing material, the periodicity, the structural anisotropy and the node enhancement of a special network structure are combined with the discontinuous conductive network design, and the excellent impedance matching and electromagnetic wave attenuation capacity is achieved at the same time.

The invention relates to a damp-proof multifunctional air bubble film packaging bag which comprises a first air bubble film and a second air bubble film which are oppositely arranged, the first air bubble film and the second air bubble film comprise the first air bubble film and the second air bubble film which are oppositely arranged, and the three edges of the first air bubble film and the three edges of the second air bubble film are connected with edge sealing layers in a sealed mode. A top sealing structure is arranged on the outer surfaces of the upper ends of the first air bubble film and the second air bubble film, a fixing strip is fixedly connected to the inner surface of the front end of the top sealing structure, and the top sealing structure comprises a second sealing strip and a first sealing strip. The packaging bag has the beneficial effects that many defects of a traditional packaging bag in the aspects of moisture resistance and sealing performance are effectively overcome, the packaging bag has excellent physical protection performance and functional characteristics through the design of the six-layer functional composite film structure, the durability of the packaging bag is greatly improved through the arrangement of the anti-abrasion layer, and the effect that damage caused by friction in the transportation process is avoided.

The invention belongs to the field of functional composite fabrics, and provides a mosquito-repellent thermoplastic polyurethane composite fabric and a preparation method thereof.According to the mosquito-repellent thermoplastic polyurethane composite fabric and the preparation method thereof, the design that mosquito-repellent microcapsules of a core-shell structure are dispersed in a thermoplastic polyurethane hot melt adhesive layer is adopted, a microcapsule core layer comprises mosquito-repellent active ingredients such as icaridin, deet or dimethyl phthalate, and the mosquito-repellent active ingredients are dispersed in a thermoplastic polyurethane hot melt adhesive layer; the shell layer is made of a polyurea material and is prepared through an interfacial polymerization method, high-load stable dispersion and controllable dot matrix film forming of the microcapsule in a hot melt adhesive system are achieved, the content of the microcapsule can reach 0.5-15 wt%, the particle size is controlled to be 0.1-2.0 m, the drug loading capacity reaches 10-60 wt%, the problem that the mosquito-repelling microcapsule is prone to damage and failure in the high-temperature melting mixing and hot-pressing compounding process is solved, and the mosquito-repelling microcapsule has good application prospects. The prepared composite fabric is high in mosquito repelling rate, still keeps an effective mosquito repelling function after being washed for multiple times, and has a wide application value.

The invention discloses a functional composite fabric multi-layer collaborative printing and dyeing process and device, and belongs to the technical field of composite fabric printing and dyeing. The device comprises a plurality of sets of base material processing units arranged in parallel, an online alignment device, a composite unit, a quality detection unit and a digital twinning control unit, wherein each set of base material processing unit comprises an unwinding device, a plasma pretreatment device and a dynamic energy template printing and color fixing device which are sequentially arranged; the dynamic energy template printing and color fixing device is integrated with a multi-channel feeding system, the dynamic template of the pattern and the energy field applying module can be controlled by an electric signal, and synchronous printing and dyeing and targeted color fixing of base materials made of different materials are achieved. Parameters are optimized through digital twinning modeling, plasma pretreatment, pattern printing and energy color fixation are synchronously carried out on all layers of base materials, then accurate alignment and hot-pressing compounding are carried out, and a digital twinning control unit carries out whole-process cooperative control and closed-loop feedback.

The invention provides a method for preparing carbon fuel from corn straw based on a functional composite binder, and belongs to the technical field of biomass solid fuel preparation. The preparation method comprises the following steps: uniformly mixing corn stalk charcoal powder with a functional composite binder to obtain a mixture, and then carrying out hot-pressing activation molding to obtain the corn stalk charcoal fuel. The functional composite binder comprises the following raw materials: phosphoric acid, polysilicic acid, polyethylene and sodium lignin sulfonate; the addition amount of the functional composite binder in the corn stalk carbon powder is 10-15 wt.%. According to the method, the controllability of the quality of the raw material carbon is greatly improved, the functional composite binder is adopted, the forming density, falling and breaking resistance and durability of the carbon fuel are improved, the process stability and repeatability are high, and a foundation is laid for large-scale production.

The invention provides a functional composite suspended biological carrier and a preparation and application method thereof. The functional composite suspended biological carrier comprises a main base material and functional components, the main body base material is polyethylene or polypropylene, and the functional component comprises the following substances in parts by mass: 3.0 parts of polyquaternium-10 or cationic polyacrylamide, 1.5 parts of molybdenum disulfide, 2.5 parts of vinyl acetate or acrylate, 2.0 parts of nano silicon dioxide, 2-3 parts of talcum powder, 0.5 part of a silane coupling agent and 0.5 part of polyethylene wax; the total proportion of inorganic components in the carrier is less than or equal to 12%; the cross section of the carrier is a 19-hole honeycomb hollow cylinder, the diameter of the formed cylinder is 25 mm, the height of the formed cylinder is 10 mm, and the density of the carrier is 0.95-1.00 g / cm; according to the invention, the state of charge on the surface of the carrier is adjusted through the positive electricity polymer PQAS-10, the affinity with negatively charged microorganisms is enhanced, the biofilm culturing period is obviously shortened, and by introducing molybdenum disulfide and a composite conductive structure thereof, a surface micro-conductive network is established, and the microbial metabolism efficiency under aerobic and facultative conditions is improved.

The invention discloses a gelatin bacterial cellulose composite material with a lotus leaf structure as well as a preparation method and application thereof, and belongs to the technical field of packaging and fresh keeping. The preparation method comprises the following steps: accurately copying a micro-nano structure on the surface of the lotus leaf by utilizing a polydimethylsiloxane template technology, mixing a gelatin solution, a bacterial cellulose solution, glycerol and a functional active substance curcumin to obtain a film forming solution, drying the film forming solution on a template to form a film, and then removing the template. The surface of the material naturally presents a lotus leaf bionic structure, and the material is endowed with excellent hydrophobic performance without additional chemical modification or hydrophobic coating. The method is simple and convenient in process, healthy and harmless, and the prepared functional composite film integrates hydrophobicity, antibacterial property, oxidation resistance, ultraviolet shielding property and good mechanical property, is suitable for the packaging and fresh-keeping fields of food, medicines, agricultural products and the like, can effectively prolong the shelf life, and meets the development requirements of green packaging.

The invention relates to the technical field of papermaking, in particular to a preparation method of high-definition electronic screen protection paper. According to the method, regenerated cellulose fibers serve as main raw materials, functional composite fibers of a core-shell structure are constructed, a core layer is the regenerated cellulose fibers, a shell layer is a polypyrrole / graphene composite conductive layer, and the lasting antistatic performance is achieved; meanwhile, the surface-modified nano silicon dioxide aerogel particles are introduced, so that the optical performance and the mechanical strength are improved; then compounding with polyimide fibers modified by a silane coupling agent, adding a bio-based wet strength agent and a fluorocarbon defoaming agent, and carrying out the steps of plasma pretreatment, pulping, on-net papermaking, controllable drying, magnetron sputtering surface treatment and the like to prepare the protective paper. The obtained protective paper has the characteristics of being ultrathin, high in strength, high in light transmittance, lasting in antistatic property and the like, and is suitable for protection of high-end liquid crystal display screens and OLED screens.

The invention provides a synergistic flame retardant-reinforced integrated antimony trioxide substitute flame retardant and a preparation method thereof, and belongs to the technical field of flame retardants. The preparation method comprises the steps of preparing a nickel-iron compound, preparing functional composite powder and mixing. The step of preparing the nickel-iron compound comprises the following steps: heating deionized water to 60-65 DEG C, adding nickel nitrate and ferric nitrate, uniformly stirring, adding a cerium nitrate solution and citric acid, stirring for 30-35 minutes, adding ethylene glycol and a kH560 coupling agent solution, stirring for 1.5-2.0 hours, standing, aging, drying, keeping the temperature at 320-350 DEG C for 1.0-1.2 hours, and keeping the temperature at 620-630 DEG C for 3.5-4.0 hours to obtain the nickel-iron compound; the antimony trioxide substituted flame retardant disclosed by the invention can completely and equivalently replace antimony trioxide in the field, and is high in flame retardant property, mechanical property and stability.

The invention discloses a waterproof and breathable bed sheet detection device and method, relates to the technical field of new material detection, and is particularly suitable for performance detection of a novel functional composite material waterproof and breathable bed sheet. The device comprises a detection cabin body mechanism, a dynamic air pressure monitoring system, an air source regulation and control module and an intelligent control unit, the detection cabin mechanism clamps a sample in a sealed mode through butt joint of a lower cylinder assembly and an upper cylinder assembly, the dynamic air pressure monitoring system synchronously collects air pressure of all cavities through multiple sensors, the air source regulation and control module selectively supplies air, and the intelligent control unit achieves detection mode switching and data integration. According to the method, the regional performance difference of the new material bed sheet can be accurately captured, the detection and measurement precision is improved, new material detection standardized parameters are automatically adapted, authentication and acceptance service data requirements are directly supported, the detection period is shortened, and an efficient and accurate detection scheme is provided for quality evaluation of novel composite material home textile products.

The invention relates to the technical field of polymer functional composite materials and battery heat management, in particular to an insulating heat-conducting material for a new energy battery and a preparation method of the insulating heat-conducting material. The invention aims to solve the technical problems of insufficient toughness, poor thermal conductivity and poor insulativity of an insulating heat-conducting material. The material disclosed by the invention adopts an A-B-C-B four-layer structure: the layer A is an outer layer, a matrix is homo-polypropylene, and aluminum oxide treated by a silane coupling agent is filled, so that excellent electric insulativity, electrolyte corrosion resistance and mechanical protection can be provided; the layer B is a transition toughening layer, a matrix is homo-polypropylene, polyolefin elastomer and maleic anhydride grafted polypropylene are added, and the transition toughening layer is used for releasing stress and improving toughness and interlayer bonding force; the layer C is a core heat conduction layer, homo-polypropylene serves as a base body, hexagonal boron nitride and aluminum oxide which are treated by a silane coupling agent are filled, and a main body heat conduction path is constructed. The material provided by the invention has improved mechanical flexibility, thermal conductivity and insulativity, and meets the strict requirements of new energy battery thermal management.

The invention relates to the technical field of polymer composite materials. The invention provides a polymer composite material capable of continuously releasing negative ions. The polymer composite material is mainly prepared from the following raw materials in parts by weight: 75-90 parts of a base material, 3-15 parts of functional composite powder, 2-8 parts of a release auxiliary agent, 3-8 parts of an attenuation compensation composite auxiliary agent and 1-2 parts of other auxiliary agents. The invention also provides a preparation method of the polymer composite material capable of continuously releasing negative ions. Based on the same inventive concept, the invention also provides application of the polymer composite material capable of continuously releasing negative ions in the fields of air purification, medical care, thermoplastic elastomer product preparation, textile preparation and plastic product preparation. A microcosmic channel release mechanism and an attenuation compensation mechanism are formed on a series of polymer base materials by adopting a plurality of composite functional powders and a plurality of composite components, so that the prepared polymer composite material achieves the outstanding effect of continuously releasing high-concentration negative ions in air.

The invention belongs to the technical field of functional composite materials, and particularly relates to an all-organic epoxy resin composite material as well as a preparation method and application thereof. The method comprises the following steps: S1, heating, melting and blending epoxy resin and phenolic hydroxyl polyphenyl ether to obtain a composite system; s2, adding a curing agent and a catalyst into the composite system, heating, stirring, reacting, vacuumizing, defoaming, casting the obtained mixed solution into a mold, curing, cooling and demolding to obtain the all-organic epoxy resin composite material. The heat conductivity coefficient of the obtained composite material is improved by 44.2% compared with that of pure epoxy resin, and the thermal expansion coefficient is reduced by 32.8%. The method is mild in condition, short in technological process, low in energy consumption and suitable for large-scale production, an innovative thought and an effective strategy are provided for development of a high-performance all-organic electronic packaging material, and silicon-free and ceramic-free all-organic upgrading of the packaging field is expected to be promoted.

The invention relates to the technical field of functional composite color-changing materials, in particular to a dynamic color-changing flexible composite material and a preparation method and application thereof. The flexible composite material is prepared from the following raw materials: photochromic powder, a flexible film matrix, low-viscosity silicone oil and a curing agent, the chemical general formula of the photochromic powder is (Li < 0.1 > Na < 0.4 > Bi < 0.5 >) < 0.95-x > Bi < 2 > Pr < x > Y < 0.05 > Nb < 2 > O < 9 >, wherein x ranges from 0.001 to 0.05. According to the flexible composite material provided by the invention, inorganic photochromic powder doped with rare earth elements is introduced into a PDMS / low-viscosity silicone oil elastomer matrix, and the composite ratio of the photochromic powder to the flexible film matrix and the doping content of rare earth ions praseodymium in the photochromic powder are regulated and controlled; the real-time, accurate and reversible regulation and control of the optical characteristic color of the material are realized by virtue of photostimulation, and a brand new thought is provided for preparing an optical stealth material.

The present application relates to the technical field of special functional coating materials for lost foam casting, and specifically discloses a special coating for large machine tool castings, and application and use method thereof. The present application synergistically strengthens full-temperature-range functional composite materials and composite aggregates, and uses mullite for high-temperature strengthening. Temperature-sensitive polymer modified graphite can realize intelligent temperature response of graphite performance. Lithium feldspar as a thermal expansion adaptive fluxing agent is more conducive to the medium-temperature healing and thermal expansion adjustment of the coating system. Composite reinforcing fibers are used to enhance and toughen the thick and large workpiece with large thermal stress. Boron-containing glazing agent as an ultralow-temperature glazing agent can form an initial liquid phase at about 450 DEG C, seal the surface of the coating, and purify the air passage. Rare earth oxides as high-temperature phase stabilizers can be solid-solved in the mullite lattice, improve the high-temperature phase stability, and refine the ceramic nodes. Through raw material design, the coating system has improved ultrahigh strength and crack resistance at extreme high temperatures under the premise of ensuring moderate air permeability.

The application discloses a kind of synergistically modified decorative functional composite board and preparation method thereof.The board is all inorganic system, by substrate layer, inorganic hydrophilic expansion stress compensation layer, inorganic modulus transition layer and photocatalytic functional surface layer superposition.The compensation layer can produce reversible expansion with humidity, offset the shrinkage internal stress of board;Transition layer matches the mechanical properties of each layer, improves structural stability.The application can effectively prevent board warping, cracking and delamination, has air purification function, and there is no problem of organic component being photocatalytically oxidized, simple process, easy industrialization.

The invention discloses microcapsule self-regeneration-based long-acting formaldehyde-removing cement and a preparation method thereof, and belongs to the field of building materials and environmental functional materials. The material is composed of Portland cement clinker and a functional composite additive, wherein the additive comprises Zn < 2 + > modified zeolite, a manganese-based catalyst, a pH-responsive sustained-release microcapsule and alpha-semi-hydrated gypsum. According to the invention, through the cooperation of zeolite selective adsorption, non-photocatalytic oxidation of the manganese-based catalyst in an alkaline environment and pH-triggered microcapsule self-regeneration, an adsorption-catalysis-regeneration function closed loop is formed, efficient and lasting removal of formaldehyde under a dark condition is realized, and the mechanical properties of a cement matrix are not damaged. According to the preparation method, the functional components are pre-compounded and then co-ground with the cement clinker, the process is simple, and the preparation method is suitable for industrial production.

The invention discloses a vertical lathe base, which belongs to the field of vertical lathes, and structurally comprises an integrally formed star-shaped base main body, the base main body is of a bilaterally symmetrical integral structure, and a plurality of upright post mounting parts distributed in a star shape and lead screw supporting parts matched with the upright post mounting parts one by one are distributed on the top surface of the base main body; the lead screw supporting part is used for mounting a lead screw driving part; a main shaft mounting part, a functional component mounting part, a pipeline channel part, a chip removal and water drainage part and a maintenance and adjustment part are integrated on the base main body, all the components and the base main body are of an integral structure, and the mounting size precision is guaranteed through integral machining. The multi-station layout of the lathe base is achieved, the overall rigidity and installation precision of the lathe base are improved, the installation and operation requirements of a multifunctional composite vertical lathe are met, and the operation requirements for high efficiency and automation of hub machining are met.

The invention provides a preparation method of a graphene aerogel composite electrode material for an energy storage capacitor. The preparation method comprises the following steps: preparing a graphene composite material; and putting the graphene composite material into a coaxial DBD reactor for treatment. Freeze-drying the wet gel, and reserving a pore structure to obtain the GA block material. GA is soaked in a manganous nitrate solution, and a metal oxide nanosheet grows in situ through a hydrothermal method. And cutting the GA block into sheets, directly pressing and attaching the sheets to a foamed nickel current collector, carrying out vacuum drying, and preparing an electrode plate by using a hydraulic machine. According to the method, rapid reduction, precise structure regulation and control and functional compounding of the graphene aerogel are realized, reduction of GO, three-dimensional crosslinking and in-situ loading of a functional material are synchronously completed under a vacuum condition by optimizing plasma energy input and a gas environment, pollution of a chemical reducing agent and energy consumption of high-temperature treatment are avoided, and the method is suitable for large-scale industrial production. And the porosity, the conductivity and the interface bonding strength of the GA can be accurately regulated and controlled.

The invention discloses a functional composite pore-forming agent, a sulfur-resistant denitration catalyst and a preparation method of the functional composite pore-forming agent and the sulfur-resistant denitration catalyst, and belongs to the technical field of selective catalytic reduction (SCR) of flue gas. According to the invention, the active component is prepared by adopting equivalent-volume impregnation; preparing a functional composite pore-forming agent containing citric acid and / or polyethylene glycol and a sulfur-resistant component MxOy-SiO2; the preparation method comprises the following steps: mixing and kneading an active component, a forming auxiliary agent and a functional composite pore-forming agent, performing extrusion molding, and performing roasting, phase forming and shaping according to a procedure, so that MxOy-SiO2 is deposited and fixed in situ on a new pore wall. The obtained strip-shaped catalyst has a high specific surface area and a pore wall sulfur-resistant functional layer, can effectively inhibit deposition of ABS in pores and slow down poisoning of SO2 to manganese-based sites, shows high NOx conversion rate and stability in an ultralow temperature interval of 80-320 DEG C, is suitable for denitration treatment of sulfur-containing complex flue gas such as steel, coking and cement, and has good industrial implementability.

The invention relates to the technical field of power electronic component manufacturing and advanced composite material application, in particular to a 3D inductor based on the Ampere's law and a method thereof. The three-dimensional precise interlocking winding comprises a functional composite framework, a three-dimensional precise interlocking winding and a magnetic core assembly, according to the system, a framework is formed by compositing a heat-conducting insulating substrate and soft magnetic powder, and air gaps between winding layers are physically filled through step-shaped positioning ribs; the core is that a low-thermal-resistance export path is established by utilizing the high heat conduction characteristic of the framework, and a heat conduction mode is converted from coil-to-air to coil-to-framework; the gradient difference between the core temperature and the surface temperature in the coil is effectively reduced through the embedded heat dissipation array, the heat dissipation problem under the high power density is solved, and the device performance is remarkably improved.

The utility model relates to electric wheelchair handle field discloses a dual -functional composite handle of electric wheelchair, including assembly mechanism, the assembly mechanism includes assembly box, one side fixedly connected with servo motor at assembly box front end outer wall, the output of servo motor extends to the inside of assembly box and is fixedly connected with one way screw rod, the outer wall of one way screw rod is equipped with one way sliding block, the upper surface fixedly connected with mounting panel of one way sliding block, the middle part fixedly connected with the mounting frame of mounting panel rear end outer wall, the inner wall fixedly connected with elastic dust cloth of mounting frame. In the utility model, through servo motor relevant structure is driven and makes multifunctional keyboard to go up and down, when not using, the mounting frame and elastic dust cloth are located multifunctional keyboard upper portion, can effectively reduce the failure probability that the key is out of order, contact failure etc. because of dust into the key gap.

The application discloses a kind of anti-static light-shielding mylar adhesive tapes, which include: functional composite substrate layer, functional composite substrate layer has opposite first surface and second surface, and is provided with a plurality of microporous structures, and the microporous structure is filled with conductive material;Anisotropic conductive adhesive layer is arranged on the first surface of the functional composite substrate layer, and the anisotropic conductive adhesive layer contains uniformly dispersed conductive particles, and the conductive particles can form electrical connection with the conductive material in the microporous structure under pressure state;And metal composite shielding layer is arranged on the second surface of the functional composite substrate layer, and the metal composite shielding layer is in electrical contact with the conductive material in the microporous structure.The anti-static light-shielding mylar adhesive tape realizes significant technical progress and multi-dimensional beneficial effects by constructing the three-layer synergistic structure of "microporous filled conductive material + anisotropic conductive adhesive layer + metal composite shielding layer".