283results about How to "Uniform structure" patented technology

The invention discloses a preparation method and application of an anti-ultraviolet breathable fabric, belongs to the technical field of fabric processing, and aims to solve the technical problem that the breathability and the anti-ultraviolet performance of a fabric in the prior art need to be further improved. The method comprises the following steps: soaking a modified fabric in a skin-friendly impregnation liquid, obtaining an impregnated material after padding is completed, and obtaining the breathable fabric by adopting a microwave evaporation process, namely preparing composite particles taking titanium dioxide particles as cores and porous silicon dioxide as shells, modifying active functional group epoxy groups on the surfaces of the composite particles, hybridizing polyurethane chain segments, and drying to obtain the breathable fabric. The silk fibroin is used as a nucleation center to promote self-assembly of the silk fibroin to form a spherical material, and the internal titanium dioxide particles are used as a microwave absorption center and an electrostatic spinning conductive network while undertaking the effect of an ultraviolet light absorber, so that the process efficiency is improved; the breathable fabric is obtained.

The invention relates to the technical field of reverse osmosis membranes, in particular to a polyamide reverse osmosis membrane for high-salinity wastewater treatment and a preparation method of the polyamide reverse osmosis membrane. The invention solves the problem that the polyamide reverse osmosis membrane cannot give consideration to both desalination rate and water flux. The polyamide reverse osmosis membrane comprises a polyester non-woven fabric layer, a polysulfone porous layer, a transition layer and a polyamide layer. The polysulfone porous layer is prepared, and the modified pore-forming agent is added to improve the water flux of the reverse osmosis membrane; the hydrophilicity of the reverse osmosis membrane is improved by preparing the transition layer and adding a hydrophilic auxiliary agent when the polyamide layer is prepared; the flux attenuation rate of the polyamide reverse osmosis membrane is reduced by preparing the polyamide layer; the desalination rate of the reverse osmosis membrane is improved by introducing a composite ion complexing agent and graphene quantum dots into the polyamide layer.

The invention discloses a phase change fiber membrane with a composite core-sheath structure and a preparation method and application thereof.The method comprises the steps that polyacrylonitrile is dissolved in N 'N-dimethylformamide and stirred to be completely dissolved, then hydroxylated boron nitride is added, the hydroxylated boron nitride is evenly dispersed through ultrasonic treatment, and a sheath spinning precursor solution is prepared; dissolving polyethylene glycol in N 'N-dimethylformamide, stirring to melt the polyethylene glycol, and taking the polyethylene glycol as a core layer spinning precursor solution; preparing a phase change fiber membrane with a core-sheath structure from the sheath spinning precursor solution and the core spinning precursor solution through a coaxial electrostatic spinning process; and placing the phase change fiber membrane with the core-sheath structure in an ethanol dispersion liquid of hydroxylated boron nitride, carrying out ultrasonic dip-coating, and then carrying out cold pressing treatment to prepare the phase change fiber membrane with the composite core-sheath structure. The obtained composite core-sheath structure phase change fiber membrane has good latent heat property, thermal conductivity and flexibility, and meanwhile, leakage of the phase change material is prevented through the core-sheath structure.

The invention relates to the technical field of phase change materials, and discloses a multifunctional composite phase change material and a preparation method and application thereof. The phase change energy storage microcapsule is prepared from the following raw materials: a core material, a Pickering emulsion template and a wall material, the wall material comprises resin and polypyrrole. The multifunctional composite phase change material is prepared from the phase change energy storage microcapsule, a reinforcing material and a polymer elastomer. The phase change energy storage microcapsule provided by the invention is uniform in size, regular in shape, good in stability and good in coating effect, the surface is doubly coated with the resin and the polypyrrole nanoparticles, the phase change material leakage condition is avoided, and the thermal cycling stability is good; the multifunctional composite phase change material has good photo-thermal conversion capability and conductivity and good thermal cycling stability, can meet the multi-scene application requirements in the fields of intelligent wearing, solar energy conversion and human body near-infrared photo-thermal treatment, and is non-powdery and can be directly used.

The invention relates to a fiber-reinforced aerogel composite material containing a carbon and titanium dioxide biphase hybrid opacifying agent as well as a preparation method and application of the fiber-reinforced aerogel composite material. The fiber reinforced aerogel composite material containing the carbon and titanium dioxide dual-phase hybrid opacifying agent comprises an inorganic aerogel matrix, wherein a reinforced fiber skeleton and the carbon / titanium dioxide dual-phase hybrid opacifying agent are dispersed in the inorganic aerogel matrix; the carbon / titanium dioxide biphase hybrid opacifying agent comprises a titanium dioxide shell layer and carbon / titanium dioxide core-shell structure particles, wherein the surface of a reinforced fiber skeleton is coated with the titanium dioxide shell layer in situ; gaps of the reinforced fiber skeleton are filled with the carbon / titanium dioxide core-shell structure particles. The problem to be solved is to construct a two-phase hybrid shading system in which carbon / titanium dioxide core-shell particles and a titanium dioxide coating layer on the fiber surface are combined through one-step in-situ synthesis, so that the heat insulation capacity of the composite material in a high-temperature environment is synergistically improved.

The invention relates to the field of building construction, in particular to a variable cross-section reinforcement cage cloth bag pile structure which comprises a reinforcement cage, a grouting pipe arranged in the reinforcement cage in a penetrating mode and a cloth bag arranged outside the reinforcement cage in a sleeving mode. The technical problem that an existing cloth bag pile structure is unstable in the construction process, a cloth bag shakes in the cement paste pouring process, and then the cloth bag pile structure is unstable is solved.

The invention relates to the technical field of epoxy resin, in particular to an epoxy resin composition for high-strength carbon fiber winding and a preparation method thereof.The preparation method of the epoxy resin composition comprises the steps that S1, modified epoxy resin, a compatilizer, a retarder, a defoaming agent and nano filler are added into a reaction kettle and mixed and stirred, and a mixture A is obtained; s2, a composite curing agent is added into the mixture A, stirring and mixing are conducted, and the epoxy resin composition is obtained and has the advantages of being appropriate in viscosity, good in heat resistance, excellent in impact resistance, large in bending strength, small in volume shrinkage rate in the curing process, moderate in gelation time and capable of being wound with carbon fibers conveniently to prepare the composite material.

The invention belongs to the technical field of material preparation, and particularly relates to a bone induction material and a preparation method thereof. The invention firstly provides the bone induction material, wherein the bone induction material is prepared from a glassy carbon material subjected to surface modification; the glassy carbon material subjected to surface modification has a coral-like or coral-like morphology, and the coral-like or coral-like morphology comprises a straight line, an arc line, a branched structure, a circular ring or circular ring-like structure and / or a bead-like morphology formed by self-assembly of nanoparticles; the coral-like or coral-like morphology also comprises a non-uniform hole structure. The invention innovatively provides that the carbon material can have a bone induction effect, and proves that the bone induction material prepared by taking the glassy carbon material as the matrix has the capability of accelerating bone tissue repair and regeneration.

The invention relates to the technical field of capacitor electrode material preparation, in particular to a sulfur-doped nickel-manganese layered double hydroxide electrode material, a preparation method and a capacitor, and the preparation method comprises the following steps: growing sulfur-doped nickel-manganese layered double hydroxide on foamed nickel by using a simple and feasible one-step hydrothermal method; oxygen vacancies are introduced into the electrode material through a safe and harmless chemical reduction method; wherein the layered double hydroxide has a relatively large specific surface area and rich active sites, so that permeation of electrolyte and diffusion of ions are facilitated; through combination of sulfur doping and oxygen vacancy, the electronic structure of the electrode material can be synergistically optimized, and the electrolyte adsorption capacity and the electronic conductivity of the electrode material are enhanced. The problems that in the prior art, due to the fact that transition metal layered double hydroxides are low in electric conductivity and poor in electron transmission efficiency, actual energy density and power density are low, and cycling stability is poor are solved.

The invention discloses a polyvinylidene fluoride (PVDF) super-hydrophobic membrane and a preparation method thereof.The preparation method comprises the steps that firstly, methyl sodium silicate, perfluorodecyl triethoxysilane (PFDTES) and tetraethoxysilane (TEOS) serve as catalysts / reactants, fluorinated hydrophobic modification is conducted on hydrophilic silicon dioxide (SiO2) nanoparticles, a nanoparticle non-solvent composite spraying synergistic phase inversion method is provided, and the polyvinylidene fluoride (PVDF) super-hydrophobic membrane is prepared. F-SiO2 is successfully introduced into the surface of the membrane, a multi-scale micro-nano structure is formed on the surface of the membrane, and the hydrophobicity and the surface roughness of the membrane are greatly improved. The prepared membrane is applied to vacuum membrane distillation testing, the flux and the salt rejection rate are very excellent, the maximum salt rejection rate reaches 99.99%, the flux is kept at 18.21 kg.m <-2 >. H <-1 > or above, the performance of the super-hydrophobic membrane is superior to that of a base membrane and a membrane prepared through a traditional non-solvent induced phase separation method, and the super-hydrophobic membrane has good anti-pollution performance and is very good in recovery effect after being washed with water.

The invention provides refractory concrete and a preparation method thereof, and belongs to the technical field of concrete. The preparation method comprises the following steps: modifying basalt fiber, modifying granite stone powder, grafting and mixing. The step of modifying the granite stone powder comprises the following steps: putting the granite stone powder into an ethanol solution, adding sorbitol laurate and polyoxyethylene sorbitan monolaurate, stirring at the stirring temperature of 46-50 DEG C, uniformly stirring, adding threonine, carrying out ball milling treatment for 26-30 minutes at the ball milling rotating speed of 114-125rpm according to the ball-to-material ratio of (3-5): 1, and after the ball milling is finished, cooling to room temperature to obtain the modified granite stone powder. Filtering and drying to obtain modified granite stone powder; the particle size of the granite stone powder is 135 to 145 nm; the mass concentration of the ethanol solution is 45-50%; the mass ratio of the granite stone powder to the ethanol solution to the sorbitol laurate to the polyoxyethylene sorbitan monolaurate to the threonine is (8.3 to 8.7) to (90 to 97) to (1.0 to 1.2) to (1.1 to 1.5) to (4.5 to 4.9); the prepared refractory concrete is high in strength, excellent in water permeability resistance, good in high-temperature corrosion resistance and low in linear shrinkage rate.

The invention discloses a high-entropy alloy structured composite negative electrode material and a preparation method thereof and a lithium metal battery, and belongs to the technical field of lithium batteries, the high-entropy alloy structured composite negative electrode material comprises lithium, non-metallic elements and other metallic elements, the ratio of lithium atoms to total atoms in the composite negative electrode material is 40-80 at%, and the ratio of non-metallic elements to total atoms in the composite negative electrode material is 1-10 at%. The ratio of atoms corresponding to the non-metallic elements to the total atoms is 1-20 at%, the balance is other metallic elements, the atomic ratio of the other metallic elements is equal, the metal lithium and compounds or simple substances of the other metallic elements are smelted to obtain high-entropy alloy liquid, the high-entropy alloy liquid is subjected to heat preservation and poured into a mold, the high-entropy alloy sheet is obtained after cooling, and the composite negative electrode material contains various eutectic phases, the internal composition segregation is weakened, the organization structure is more uniform, the distortion degree and dislocation accumulation of the alloy in the deformation process are reduced, then the effect of improving the ductility is achieved, and the commercial application of the lithium alloy negative electrode is improved.

The invention belongs to the technical field of carbon materials and new energy materials, and particularly relates to a modified resin-based nitrogen-containing hard carbon material as well as a preparation method and application thereof. Melamine is introduced into a phenolic resin system to synthesize phenol-melamine-formaldehyde resin, triazacyclo-covalently polymerized resin molecules are formed, an organic pore-forming agent is synchronously used for adjusting the pore channel structure of the material, and after high-temperature carbonization, the high-temperature carbonization is performed to obtain the high-temperature-resistant phenolic resin. And the hard carbon negative electrode material for the sodium ion battery, which is high in nitrogen doping, rich in closed pore structure and disordered in microstructure, is prepared. After melamine participates in the reaction, a triazacyclo ring with a stable structure is introduced into a resin molecular structure, and the nitrogen-doped hard carbon material is formed after carbonization. Nitrogen elements are uniformly distributed in the carbon material and on the surface of the carbon material, abundant active sites are provided, and the reversible capacity of sodium ion storage can be improved.

The invention discloses a composite catalyst for a peracetic acid activation system and a preparation method and application thereof, and relates to the technical field of advanced oxidation water treatment. The preparation method of the catalyst comprises the following steps: preparing an aqueous solution of a cobalt source as a precursor solution; adding a manganese source into the precursor solution to obtain a Co-Mn mixed salt solution; adding a complexing agent into the Co-Mn mixed salt solution to form a stable sol system; heating the sol system at constant temperature to obtain wet gel; drying the wet gel to obtain a porous dry gel precursor; calcining the porous xerogel precursor, and then cooling and grinding to obtain the composite catalyst for the peracetic acid activation system. The composite structure in the catalyst greatly improves the rate of generating hydroxyl radicals and organic oxygen radicals by decomposing peracetic acid by promoting electron transfer circulation of a metal active center, shows good structural stability and recyclability, and is especially suitable for degradation of an organic pollutant sulfamethoxazole in a water body.

The invention discloses a monocrystalline silicon alkali polishing additive with an inverted pyramid structure tower footing and application of the monocrystalline silicon alkali polishing additive. The monocrystalline silicon alkali polishing additive comprises, by mass, 1-2 parts of glue, 0.5-2 parts of sodium lignin sulfonate, 1-3 parts of quaternary ammonium salt, 0.1-0.3 part of sodium benzoate, 2-3 parts of DL-proline, 2-5 parts of other auxiliaries and the balance deionized water. By adding the additive disclosed by the invention into a polishing solution for alkali polishing of monocrystalline silicon, the reaction rate of a [111] / [100] surface can be changed, the reaction rate of a [110] surface can be increased, an inverted pyramid structure which is uniformly distributed and complete in structure can be formed on the back surface of the monocrystalline silicon, the roughness of the back surface of the monocrystalline silicon can be increased, on one hand, back slurry contact and slurry tension improvement are facilitated, and FF can be improved; and on the other hand, the double-sided rate of the photovoltaic module is improved, thereby improving the electrical performance of the battery piece.

The invention belongs to the technical field of immunochemiluminescence, and relates to a PAMAM-mediated labeled small molecule compound and a synthesis method and application thereof.The PAMAM-mediated labeled small molecule compound is composed of small molecules, PAMAM and a marker, and the small molecules are provided with active groups or provided with derivative groups capable of reacting with amino under certain activation conditions to form covalent binding; the marker is provided with a succinimide group. The difference between a coupling product and a small molecular structure is reduced to the maximum extent through PAMAM mediation, the PAMAM dosage is extremely small and stable, compared with PEG, the molecular weight is more uniform, non-specific binding caused by hydrophobic interaction can be greatly reduced in immunoreaction, and good signals and separation can be obtained without purification of the product.

The invention belongs to the field of new energy CO2 electroreduction catalyst materials, and discloses a fullerene C60 supported copper cluster catalyst and application thereof in CO2 electroreduction, and the catalyst is prepared by enriching a copper complex on the surface of fullerene C60 and then performing electrochemical reduction. The copper cluster catalyst prepared by the method can be used for electrochemically reducing CO2 into CH4 under a neutral or alkaline condition, shows relatively high product selectivity and stability, and has the advantages of easiness in synthesis, simple process and the like.

The invention belongs to the technical field of aluminum oxide ceramics, and particularly relates to a high-strength 99 aluminum oxide ceramic as well as a preparation method and application thereof. The boehmite and the hydrotalcite are used as main components of a binder, the boehmite and hydrotalcite composite sol is obtained by adopting a specific preparation method, and the boehmite and hydrotalcite composite sol is applied to a preparation process of aluminum oxide ceramics, so that an aluminum oxide ceramic material with high strength and high density can be obtained. Besides, the sintering aid adopted by the invention can react with MgO and Al2O3 generated by decomposition in the binder to generate a low-melting-point liquid phase, so that redistribution of substances among particles and filling of pores are facilitated, and the density and the dielectric property are further improved.

The invention relates to the technical field of preparation of Beta molecular sieves, and discloses a method for rapidly preparing a nano Beta molecular sieve by using a microwave synthesis method, which comprises the following steps: selecting proper silicon sources (such as silicon dioxide, white carbon black and the like) and aluminum sources (such as sodium metaaluminate, aluminum sulfate and the like), adding a template agent (such as tetraethylammonium hydroxide), an alkali source (such as sodium hydroxide) and deionized water, and carrying out microwave synthesis to obtain the nano Beta molecular sieve. Uniformly mixing and stirring according to a specific molar ratio to obtain initial gel; and crystallizing the gel, wherein a conventional hydrothermal method or a microwave heating method can be adopted. And after crystallization is completed, carrying out post-treatment such as filtration, washing, drying and high-temperature calcination on the product to finally obtain the Beta molecular sieve product. According to the method for rapidly preparing the nano Beta molecular sieve by utilizing the microwave synthesis method, provided by the invention, the synthesis steps are simplified, the crystallization time is remarkably shortened, the production efficiency is improved, the particle size of the nano Beta molecular sieve is effectively controlled, and a nano-scale product with smaller particle size and more uniform distribution is obtained.

This invention discloses a high-speed slitting device for cold-rolled steel sheets, relating to the field of cold-rolled steel sheet shearing technology. It includes a shearing assembly for cutting cold-rolled steel sheet coils, with a pre-treatment box mounted on the front surface of the shearing assembly. In operation, the invention starts an electromagnetic rod and a rolling motor. The rolling motor drives a drive gear to rotate, which in turn drives two driven gears to rotate in opposite directions. These gears, through a gear ring, drive two toothed rods to rotate, further rotating the upper and lower rolling rollers to electromagnetically roll the two sides of the cold-rolled steel sheet. Combined with an eddy current sensor and a PLC controller, the magnetic field force is intelligently and dynamically adjusted according to the edge conditions of different hardness levels, achieving "flexible de-hardening." Then, a U-shaped focusing induction coil is activated to achieve rapid localized heating of the hardened layer, restoring the hardness to near that of the substrate, thus eliminating work hardening. The combination of magnetic rolling and localized heating softening achieves "full-thickness softening."

The invention discloses a composite hydrogel, a composite aerogel, a preparation method and an application. The preparation method of the composite hydrogel comprises the following steps: irradiating a mixed solution A with high-energy rays; wherein the mixed solution A comprises graphene oxide, an inorganic nano material, monomers of acrylic acid and derivatives thereof, water and an alcohol water-soluble compound; the inorganic nano material is selected from one or more of an MXene two-dimensional lamellar material, a metal oxide and a metal sulfide; in the mixed solution A, the content of the graphene oxide is 0.05-10 mg / mL, the mass ratio of the graphene oxide to monomers of acrylic acid and derivatives thereof is 1: (50-1000), and the mass ratio of the graphene oxide to the inorganic nano-material is 1: (0.1-100); the alcohol water-soluble compound accounts for 2-50% of the mixed solution A in percentage by mass. When the composite hydrogel and the composite aerogel are applied to the field of solar photo-thermal water evaporation, an evaporator is not prone to being blocked.

The invention discloses an orthopedic implant with antibacterial and osteogenesis-promoting characteristics and a preparation method thereof, and belongs to the technical field of medical materials.The preparation method comprises the steps that a titanium stent subjected to acid treatment is placed in a NaOH solution, and a sodium titanate coating is formed on the surface of the titanium stent after alkali heat treatment; after annealing, immersing into a mixed solution of EDTA-CaNa2 and NaH2PO42H2O, and after heating reaction, forming a hydroxyapatite coating on the surface of the sodium titanate coating; immersing the hydroxyapatite coating into a mixed solution of glucolactone and sodium alginate, controlling the pH value of the mixed solution to be 5, and forming a porous hydrogel coating on the surface of the hydroxyapatite coating after reaction; and soaking the loaded medicine to obtain the orthopedic implant. A multi-layer structure of the sodium titanate coating, the hydroxyapatite coating and the porous hydrogel coating is sequentially formed on the titanium alloy stent, and finally, the medicine is loaded, so that the titanium alloy stent has various characteristics of resisting bacteria, promoting osteogenesis and the like.

The invention relates to the field of food processing, and particularly discloses yeast improved frozen dough and a preparation method thereof. The yeast-improved frozen dough comprises the following raw materials in parts by weight: 800-1000 parts of a flour mixture, 3.2-4 parts of a yeast composition, 0.8-1 part of table salt, 4-5 parts of sugar, 400-500 parts of distilled water and 5-6.25 parts of a freezing improver, and the yeast composition comprises selenium-enriched yeast, silver carp zymolyte, calcium chloride and short-cluster-shaped maltodextrin in a mass ratio of 1: (0.4-0.8): (0.1-0.2): (0.3-0.5). The frozen dough has the advantages that the survival rate and activity of yeast can be improved, the gluten protein structure is increased, the specific volume and texture characteristics of flour products are improved, and the taste is improved.

The invention relates to the technical field of glass fiber cloth, in particular to novel glass fiber cloth and a preparation method thereof.The novel glass fiber cloth comprises a base cloth layer and a functional bonding layer, and the functional bonding layer comprises, by weight, 45-55 parts of bisphenol F epoxy resin; 25 to 35 parts by weight of 2, 4-epoxy propyl oxygen-N, N-diglycidyl aniline; 15-25 parts by weight of epoxidized soybean oil; 20 to 30 parts by weight of methylhexahydrophthalic anhydride; 2-5 parts by weight of 2, 4, 6-tri (dimethylaminomethyl) phenol; 3 to 8 parts by weight of N-aminoethyl piperazine; 0.8 to 1.5 parts by weight of gamma-glycidyl ether oxypropyl trimethoxy silane; the bisphenol F type epoxy resin provides a rigid framework, the polyfunctional group monomer provides a crosslinking point, the flexible chain segment endows the material with necessary toughness, and the bisphenol F type epoxy resin, the polyfunctional group monomer and the flexible chain segment synergistically form an interpenetrating network structure with gradient characteristics.

The present invention relates to a porous aramid fiber and a preparation method thereof, which is prepared from heterocyclic aramid resin slurry containing imidazole groups and metal ions. The porous aramid fiber of the present invention has a uniform cavity structure, high porosity, high specific surface area, good mechanical strength, low thermal conductivity, and good thermal stability, and has good application prospects in the field of thermal insulation and protective materials.

The invention belongs to the technical field of material preparation, and particularly relates to a superstructure glassy carbon material and application thereof. The invention firstly provides a porous scaffold structure. The porous scaffold structure has a stable structure in which stress in all directions is uniformly distributed; the porous scaffold structure takes a unit cell of a three-period minimum curved surface as a minimum repetitive unit; the unit cell of the three-period minimal curved surface comprises a diamond or diamond-like structure; the porous scaffold structure is made of a high-molecular polymer. Further, the superstructure glass carbon material can be obtained by pyrolyzing the porous scaffold structure. By designing a porous structure with uniform stress and stable mechanics, the high-strength glassy carbon material with accurate and controllable shape and size is developed, and the high-strength glassy carbon material has good application prospects in multiple fields.

The invention belongs to the field of gas technical purification, and particularly relates to a honeycomb-shaped high-concentration NO2 adsorption trapping material as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) preparing adsorbent slurry by taking high-silicon molecular sieve raw powder as a raw material; (2) putting a honeycomb carrier into the adsorbent slurry for dipping and coating; and (3) naturally airing, drying and roasting the impregnated carrier to obtain the integral honeycomb-shaped high-concentration NO2 adsorbing and trapping material. On the basis of the honeycomb-shaped high-concentration NO2 adsorption trapping material (the molecular sieve silica-alumina ratio is 1000-5000), NO2 is efficiently trapped through a pressure swing adsorption technology, meanwhile, the adsorbent subjected to adsorption saturation is reversibly regenerated, high-concentration NO2 desorbed gas is obtained, NO2 recycling is achieved, NOx tail gas of a nuclear industry post-treatment plant is recycled, and the purpose of recycling the NOx tail gas of the nuclear industry post-treatment plant is achieved. A stable NO2 gas source is provided for a spent fuel post-treatment main process, the dual requirements of NO2 raw material preparation and tail gas denitration of a post-treatment plant are met, and purification and recycling of NO2 are achieved.

The invention belongs to the technical field of thin film materials, and particularly relates to a transparent ultraviolet-proof composite film as well as a preparation method and application thereof. The transparent ultraviolet-proof composite film provided by the invention is prepared from the following raw materials: acetylated lignin, a halloysite nano material, chitosan and polyvinyl alcohol, the acetylated lignin is loaded on the halloysite nano material. The specific transparent ultraviolet-proof composite film disclosed by the invention has high transparency on the basis of ensuring that the passing rate of ultraviolet light with the wavelength of 200-400nm is less than 5%, the passing rate of visible light with the wavelength of 400-780nm reaches more than 60%, and meanwhile, the transparent ultraviolet-proof composite film also has high mechanical property, is capable of blocking moisture and oxygen, is good in biological safety and is degradable.

The invention relates to a high-strength steel slag plate and a forming method thereof, and relates to the technical field of steel slag modification.The forming method of the high-strength steel slag plate comprises the following steps that a silicon supplement is added into steel slag powder and mixed to be uniform, a powder mixture is obtained, and the silicon supplement at least comprises any one of amorphous SiO2 powder or sinking bead powder; adding water into the powder mixture, and stirring to form a mortar mixture; and treating the mortar mixture to form the steel slag plate. The method has the effect of improving the compressive strength of the steel slag plate.

The invention discloses a flexible conductive drivable composite fiber and a preparation method, system and application thereof. The preparation method comprises the following steps: uniformly mixing a polymer solution with a large thermal expansion coefficient, a curing agent and a diluent to form a diluted polymer solution; the preparation method comprises the following steps: immersing conductive fibers in a diluted polymer solution, and then enabling a polymer to enter a conductive carbon fiber tow under the extrusion action through a rolling mechanism, and carrying out first-time immersion and homogenization; then dipping in a pure polymer solution, and carrying out capillary homogeneous extrusion again through the rolling mechanism; the operation is repeated for more than two times, so that the pure polymer solution is uniformly distributed in the conductive fiber tows; and finally, curing and twisting to prepare the flexible conductive drivable composite fiber with the uniform spiral structure. The composite fiber with a uniform structure is prepared through a rolling-assisted step-by-step impregnation process, has certain flexibility, retains good mechanical properties of the fiber, and still has good mechanical properties after knotting and spiral deformation.