583results about How to "Good radiation protection" patented technology

The invention provides multifunctional viscose. The multifunctional viscose comprises viscose, graphene and nano-silver, wherein nano-silver is loaded to a graphene slice layer in situ. The invention further provides a preparation method of the multifunctional viscose. The preparation method is characterized by comprising the following steps: (a) dispersing graphene in a water solution, so as to obtain a graphene dispersion liquid; (b) dissolving silver salt into the graphene dispersion liquid, adding a reducing agent, and carrying out reduction reaction, so as to obtain nano-silver-loaded graphene dispersion liquid; and (c) uniformly mixing the nano-silver-loaded graphene dispersion liquid with viscose liquid, and carrying out spinning, so as to obtain the multifunctional viscose. An experimental result shows that compared with viscose which is not added with nano-silver-loaded graphene, the multifunctional viscose has the advantages that the far infrared temperature increase performance is increased by not less than 100%, the ultraviolet protecting coefficient is increased by not less than 70%, and the antibacterial activity reaches 99.9% and is increased by not less than 100%.

The invention discloses a preparation method of a nano-silver alginate fiber. The preparation method comprises the following steps of: preparing an alginic acid silver complex which is a precursor of nano-silver by using algal polysaccharides and soluble silver salts, and then preparing a sodium alginate based nano-silver colloid system through a chemical reduction method; then adding fiber-grade sodium alginate into the sodium alginate based nano-silver colloid system to obtain a nano-silver algae spinning solution; and finally, obtaining a nano-silver algae primary fiber through wet spinning, and carrying out stretching, sizing, drying and oiling treatments to obtain the nano-silver alginate fiber. The prepared nano-silver alginate fiber integrates the excellent performances of the nano-silver and the alginate fiber, so that the novel fiber has excellent flame retardance, biocompatibility, moisture absorption permeability and the like, also has excellent antimicrobial performance, antistatic performance and irradiation resistance and can be widely used in medical treatment, the fire-fighting field, the military field, the aerospace field, the health textile field and the like.

The invention discloses an ultraviolet curing nano transparent heat-insulation composite coating belonging to the field of ultraviolet curing coatings and containing the following substances in percentage by weight: 30-75 percent of oilopolymer, 0.01-15 percent of photosensitive curing agent and 10-55 percent of activated monomer, as well as 0.1-15 percent of stannic oxide. The transparent heat-insulation coating can be prepared in 1 minute under ultraviolet irradiation at room temperature, and the curing speed is high and the cost is low. The coating has selectivity to a solar spectrum, and a coating film which is about 5-70 micrometers is formed on the material surface. When the coating is used for glass, the visible light transmissivity of the glass is still higher than 75 percent, and the infrared thermal screening factor is higher than 70 percent, thereby not only keeping the transparency of the original glass, but also effectively isolating the infrared thermal radiation of sunlight. The coating has good ageing resistance, contamination resistance, anti-static performance, anti-dazzle performance, radiation protection, quick curing, environmental protection and the like.

The invention relates to an epoxy protective coating system for a high-power nuclear power station. Priming coat comprises a component A1 and a component B with the weight ratio of 4-6, and finishing coat comprises a component A2 and the component B with the weight ratio of 3-5:1.. The component A1 comprises 20 to 50% of epoxy resin, 10 to 40% of anti-corrosion paint, 10 to 25% of radiation-resistant stuffing, 0.1 to 3% of addition agent and the balance of menstruum by weight percent. The component A2 comprises 20 to 50% of the epoxy resin, 10 to 40% of the anti-corrosion paint, 5 to 20% of the radiation-resistant stuffing, 0.1 to 3% of the addition agent and the balance of the menstruum by weight percent. The component B is a radiation-resistant epoxy-amine adduct curing agent, and is synthesized by 10 to 30% of liquid epoxy resin, 30 to 70% of polyamine with primary amine groups and 20 to 60% of the menstruum. The corrosion resistance and radiation resistance can meet the requirements of nuclear grade paint and can pass simulation DBA tests when the coating system is used for a high-power nuclear power station.

The invention relates to a female whitening skin-nourishing composition, which contains the following components of: by weight, 10-160 parts of saussurea involucrata culture, 100-700 parts of collagen, 20-120 parts of an acerola cherry extract product, 2-40 parts of sodium hyaluronate, and 0-20 parts of a natural sweetener. The composition provided by the invention has substantial efficacy in aspects of antiradiation and antioxidation, can has whitening and skin-nourishing effects for female, and is suitable for female of all ages.

The invention discloses a weaving process of a hemp towel, comprising the steps of cheese winding, warping, weaving and grey cloth post treatment. The rotating speed of a cheese winding grooved drum is 1,200+ / -5r / min; the concentration of caustic soda in desizing boiled bleaching liquor subjected to the grey cloth post treatment is 5ml / L; the concentration of FLOW preliminary treatment agent is 3ml / L; the concentration of hydrogen peroxide is 7.8ml / L; and the temperature of the desizing is 95 DEG C and the boiled bleaching is carried out for 50 minutes. The towel manufactured by the manufacturing process has few filoplume and easy degradation as well as excellent moisture absorbing perspiration performances, natural bacteriostasis and health-care performances reservation of hemp, favorablesoft and comfortable performances, excellent uvioresistant and radiation-resistant performance, high-temperature resistant performance and odor-absorbing and blowdown performances, and is new generation of natural environment-friendly products.

The invention discloses an electrical penetration assembly with a radiation shielding structure. The electrical penetration assembly mainly consists of a cylinder body, flanges which encapsulate two ends of the cylinder body, a conductor component which is encapsulated in the cylinder body, and an earthing conductor; wherein, a radiation division plate is vertically arranged along the axial direction of the cylinder body in the cylinder body, the conductor component encapsulated in the cylinder body and the earthing conductor penetrate the radiation division plate, and ends at two sides of the conductor component and the earthing conductor extend out of the flanges at the two ends of the cylinder body. The radiation division plate can be a lead plate fixed on a support division plate, or a high boron stainless steel plate welded on the inner wall of the cylinder body, or the high boron stainless steel plate produced with any one of coatings which are B4C, WC, FeNiB, TiC and iron-nickel-aluminum metallic compounds on the surface. The electrical penetration assembly has the outstanding advantages of simple structure, convenient assembly, lower cost and high radiation resistant capability, and can form a complete reactor radiation shielding system with a reactor safety containment, thus effectively shielding reactor radiation of nuclear reactors.

The invention relates to a sound-absorbing radiation protective paint, which comprises the following components in percentage by weight: 30 to 38 percent of porous modified starch, 5.0 to 9.5 percent of styrene-acrylic latex emulsion, 33 to 41 percent of barite, 0.5 to 1 percent of iron oxide, 0.25 to 1 percent of sodium polycarboxylate dispersant, 0.01 to 1 percent of brightening agent, 1.0 to 6 percent of titanium white, 0.5 to 1 percent of defoamer, 0.01 to 1 percent of mildew preventive, 13 to 18 percent of water, 0.4 to 1 percent of ethylene glycol, 0.3 to 1 percent of film-forming auxiliary agent, 0.005 to 1 percent of anti-freeze agent, 0.5 to 1 percent of graphite, 1 to 3 percent of hydroxyethyl cellulose and 0.20 to 1 percent of thickening agent. A preparation method of the sound-absorbing radiation protective paint comprises the steps of: (a) premixing, namely stirring 1 / 2 water, the sodium polycarboxylate dispersant, 1 / 2 defoamer, the mildew preventive, the thickening agent, the hydroxyethyl cellulose and the brightening agent at low speed to form colloidal solution; (b) dispersing and grinding, namely adding the titanium white, the barite, the graphite and the iron oxide into the colloidal solution and stirring the solution at high speed to prepare uniform sizing agent; (c) paint mixing, namely adding crylic acid emulsion, the film-forming auxiliary agent and the anti-freeze agent into the sizing agent, uniformly stirring the sizing agent, then dividing the porous modified starch into 1 to 5 parts, and adding the porous modified starch by 1 to 5 times into the mixture for low-speed and uniformly stirring the mixture; and (d) packaging the resulting product.

The invention discloses an ultrathin steel structural fireproof anti-radiation coating, comprising base emulsion, titanium dioxide, deionized water, polyoxyethylene polyoxypropylene ether, diamino polyethylene glycol modified hyperbranched polypyrrolone, amino-terminated sulfonated polyimide, polybenzimidazole-modified meso-porous silicon, KH-560, and graphene oxide. The ultrathin steel structural fireproof anti-radiation coating has good performances of fire endurance, weatherability, coating surface drying time, water resistance and radiation resistance, releases no toxic gas, is safe and environment-friendly and is widely applicable to various steel structural buildings.

The invention relates to a black fungus scented crisp chip, which is prepared from black fungi, black rice or black beans, black sesame seeds, water, refined salt or white sugar, pepper powder, monosodium glutamate and cooked vegetable oil through processing. The product has fragrant and crisp taste and rich nutrition, has the health-care function on hairs of a human body, can keep the hairs blackand shiny for long-term eating, has tasty, sweet and delicious flavour, simple preparation method and low cost, and is particularly suitable for being eaten by children and tourism to carry.

The invention belongs to the technical field of textile material production, and discloses a radiation-proof yarn. The radiation-proof yarn is formed by blending of metal wires, polyacrylonitrile fibers and viscose according to a weight ratio of 1: 5: 4. The invention further discloses a production method of the radiation-preventive yarn. The radiation-proof yarn is good in radiation proofing performance and flexibility, not easy to fracture and good in antibacterial effect and market prospect.

The invention belongs to the technical field of novel materials, particularly relates to a novel anti-radiation material and gloves made from the novel anti-radiation material, wherein the novel anti-radiation material comprises components with weight by percentage: nanometer bismuth oxide 55-73%, aluminum fluoride 20-35%, lanthanum trioxide 3-10%, nano tungsten trioxide 3-10%, fuller alcohol nanoparticles 1-2%. Anti-radiation gloves are prepared by adding the novel anti-radiation material into raw materials of latex gloves, and the novel anti-radiation material can keep flexibility and malleability of the latex gloves, and guarantees operation elaboration and safety of operators.

The invention relates to a method for manufacturing a dampproof abrasion resistant wood floor, which comprises the processes of material preparation, colour separation, grading, parallel spray of edge paint, aqueous adhesive coating, elastic primer coating and putty filling. The method is characterized by adding the following processes of: sticking a dampproof film which is formed by sequentially laminating a moulding film, a protecting film and a water isolating film on the bottom surface and the side surface of a floor; adding hard primer on the surface of the floor by adopting a paint laminating method, sequentially coating sanding primer, coloring primer, rolling finish, sprinkling finish, and finally rolling abrasion resistant paint. The wood floor manufactured by adopting the method can improve the physiochemical performance of the floor, prolongs the service life, has good effects of damp prevention, corrosion prevention, deformation resistance, static electricity prevention, radiation prevention and sound isolation, has strengthened protective force of the finish and comfortable touch sense, and is tougher and more abrasion-resistant.

The invention relates to a flame-retardant antistatic yarn, formed by weaving 2-5 wt% grapheme-dacron complex fibers [1], 60-65% dacron flame-retardant fibers [2], and 30%-38 wt% Yasaier fibers [3]. The grapheme-dacron complex fibers [1] are obtained by a grapheme-dacron spinning complex liquid through a wet spinning method, and the involved grapheme is modified grapheme. The flame-retardant antistatic yarn has advantages of good flame-retardant antistatic effect, lasting functions, good wearability, and low production cost. The grapheme-dacron complex fiber has good conductivity, radiation protection and anti-acne performance, and functionality of the yarn is improved. The Yasaier fiber can improve moisture regain, improve electrostatic phenomenon, and has high strength, and can effectively ensure physical properties of a blended yarn. The flame retardant property of the flame-retardant dacron is good, and strength of the flame-retardant dacron is high, weather resistance is good, and the flame-retardant dacron ensures endurance of the yarn.

The invention discloses an anti-radiation functional aggregate prepared from Cr-containing and Zn-containing electroplating sludge. By means of heavy metal elements including Cr and Zn, the anti-radiation functional aggregate has the beneficial effect that the anti-radiation functional aggregate has good shielding performance for high-energy rays, and a regenerated aggregate can have good anti-radiation performance; pulp wrapping processing is conducted on the regenerated aggregate through a vacuum stirring technology, and the surface structure of the aggregate is optimized; ultrahigh performance processing is conducted on the aggregate, subjected to pulp wrapping, through autoclaved curing, and the chemical property, the shielding performance and the heavy metal ion solidification effect of the anti-radiation functional aggregate are improved. The anti-radiation functional aggregate solves the problem that the uniformity of natural high-density ore anti-radiation concrete is poor, meanwhile, a large amount of heavy-metal-containing industrial sludge can be consumed, and the important significance in preparation of anti-radiation concrete and processing of the industrial sludge is achieved.

The invention relates to a method for preparing lead-bearing radiation-proof organic glass, belonging to the functional high molecular material polymerization technical field. The method synthesizes organic carboxylic acid lead salt through organic synthesis and modification of inorganic lead salt, adds the organic carboxylic acid lead salt into water-in-oil type microemulsion which consists of methyl methacrylate (MMA), a surfactant, an auxiliary surfactant, water and so on, initiates under the condition of a thermal initiator and polymerizes an organic glass sheet. Moreover, the performance of the organic glass sheet is tested, and the result reveals that the impact strength, the tensile strength, the light transmittance, the refractive index, the glass transition temperature and the radiation-proof property of the organic glass prepared by polymerization of the microemulsion are all superior to those of common organic glass. The invention provides a novel method for synthesizing functional high molecular materials. The method has a simple and convenient technique; the synthesized sheet has superior performance, can make up for the defects of an inorganic radiation-proof glass sheet, and is hopeful to become practical novel radiation-proof materials.

The invention relates to a heavy electric radiation protection door. The door comprises a base with door hole, a door body and an electric control box, wherein the base above the door hole is provided with a main beam into which a lead screw driven by a motor is penetrated; multiple groups of horizontal pulleys are hung at the lower end of a nut engaged with the lead screw; rollers arranged at the upper ends of each group of horizontal pulleys are pressed on the surface of a horizontal guide rail arranged on the main beam in a sliding way; and all the lower ends of each group of horizontal pulleys are connected with the upper end of the door body. The door has a simple structure; stable and accurate running of the door body is realized by the lead screw and the horizontal pulley; opening or closing of the door body is realized by a frequency converter control motor; and the door has high automation level, is safe and reliable, and has a good radiation protection effect because barium sulfate concrete is filled in the door body.

The invention discloses electrostatic flocking fabric made of alginate fiber. The electrostatic flocking fabric comprises a flock layer, an adhesive layer and a base cloth layer, and is characterized in that the flock layer is the alginate fiber; the base cloth layer is aramid plain woven cloth; the middle adhesive layer is an organic silicon modified epoxy resin adhesive. The invention also discloses a preparation method of the electrostatic flocking fabric made of the alginate fiber. The preparation method is characterized by comprising the following steps of cutting alginate fiber strands into alginate fiber flock, and performing electric conduction and coloring treatment; pre-coating and mainly coating adhesives on flocking base cloth, wherein the total thickness of the adhesives is 0.2 to 0.25mm; performing flocking in an electrostatic flocking room to obtain flocked cloth; and performing baking to firmly composite the flock with the base cloth so as to obtain the electrostatic flocking fabric. The electrostatic flocking fabric has good flame resistance and is applicable to army combat uniforms, warship and submarine combat uniforms, bedding equipment, airman training combat uniforms, second artillery training combat uniforms and the like.

The invention provides hollow fancy loop multifunctional health-care yarn and a preparation method thereof. The yarn comprises lotus root fibers, lyocell fibers, bamboo charcoal fibers, Clean cool fibers, water-soluble vinylon fiber filaments, PTT shape memory fiber filaments, anti-ultraviolet polyester fiber filaments, cashmere fibers and mohair fibers, or comprises stainless steel fiber filaments, mint fibers, long stapled cotton fibers, water-soluble vinylon filaments, colorful negative ion multifunctional viscose filaments, bamboo charcoal fibers and coconut carbon fibers. The yarn prepared through the preparation method has excellent in hygroscopicity, natural, antibacterial, resistant to odor and capable of absorbing moisture and discharging sweat, has deodorization and anti-aging functions and the like, also has excellent radiation resistance, anti-static performance and a negative ion emission function, enhances the immune function, activates cells, promotes metabolism, has deodorizing performance, prevents mites, odor and insects, generates negative ion characteristic and is resistant to water, oil and dirt, and fabrics are prevented from being influenced by various harmful bacteria and pollution.

The invention discloses a radiation protective film material. The radiation protective film material comprises a bottom film, and an electromagnetic shielding coating material is coated on the bottom film, wherein the electromagnetic shielding coating material is a polyaniline material. The invention also discloses radiation protective glasses, display screens, radiation protective clothing, and the like prepared by utilizing the radiation protective film material. The radiation protective film material simultaneously has electric conduction, magnetic permeance, wave absorbing performance and excellent radiation protection performance. Meanwhile, the radiation protective film material has good transparency and wide application, not only can be applied to the radiation protective glasses, computer display screens and television display screens, but also can be applied to mobile phone display screens, radiation protective clothing, and the like and has greater industrial values.

The invention discloses an anti-radiation CT scanning bed. The anti-radiation CT scanning bed comprises a bed board, a telescopic protection cover, a U-shaped protection cover, a head protection board and a pillow. The bottom of the bed board is provided with bed legs. The U-shaped protection cover is arranged above the bed board and composed of an outer protection board, a lead board and an inner support board. Two ends of the U-shaped protection cover are connected with sliding blocks arranged in a guide rail which is arranged on the side surface of the bed board. The middle of the U-shaped protection cover is provided with a to-be-scanned frame. The front end of the U-shaped protection cover is connected with the head protection board through a connection rod. Two sides of the e head protection board are provided with sagging lead clothes. The front end of the bed board is provided with the pillow. The back end of the U-shaped protection cover is connected with the telescopic protection cover. The anti-radiation CT scanning bed has following beneficial effects: the anti-radiation CT scanning bed is high in structural strength, good in anti-radiation effect and helps improve efficiency of CT scanning and effectively lowers damage of radiation; operation time can be saved; legs and the head of a patient can be effectively protected; and damage to a patient's body is reduced.

The invention relates to a conductive core-sheath compound fibre and a preparation method thereof, in particular to a conductive core-sheath compound fibre of which the sheath layer component is metal or metal alloy and the core layer component is thermoplastic high polymer, and a preparation method thereof, wherein the weight ratio of the sheath layer component of the compound fibre to the core layer component is 10 / 90-30 / 70; and the metal of the sheath layer is selected from indium, tin, bismuth or cadmium. As the sheath layer of the compound fibre in the invention uses metal or metal alloy, the antistatic property, conductivity and radiation-proof property of the fibre can be greatly increased, and the fibre can be used in various industries with high antistatic and radiation-proof demands. The thermoplastic high polymer of the core layer of the compound fibre has good spinnability; and the metal or metal alloy of the sheath layer can maintain good antistatic property, conductivityand radiation-proof property for a long time.

The invention discloses an ionizing-radiation-preventive composite material and a preparation method thereof. In the ionizing-radiation-preventive composite material, basalt fiber is high in content of heavy-nucleus elements like iron and manganese, and the heavy-nucleus elements improve absorbing and scattering effect on high-energy ionizing radiation of the basalt fiber, so that compared with other reinforced fiber, the basalt fiber has better ray shielding performance; due to special atomic energy level, rare earth oxide has strong photoelectric absorbing effect on rays of 10-80 keV, and weak absorbing area that the heavy-nucleus elements have within the range can be filled up, so that shielding performance of the basalt fiber composite material on wide-energy-range rays is improved remarkably. The rare earth oxide, a resin matrix and the basalt fiber mutually cooperate and mutually act, so that the ionizing-radiation-preventive composite material has good radiation-preventive performance and mechanical performance.

The invention discloses high-temperature-resistant shielding paint and a preparation method thereof, and relates to the field of electromagnetic wave shielding paint. The high-temperature-resistant shielding paint is prepared from the following ingredients in percentage by mass: 10 to 9.0 percent of high-temperature-resistant resin matrix, 40.0 to 85.0 percent of high-temperature-resistant filling material, 1.5 to 5 percent of additive and 15.0 to 25.0 percent of solvents, wherein the high-temperature-resistant resin matrix is at least one of organic silicon resin, modified organic silicon resin and polyimide; the high-temperature-resistant filling material is a magnetic material with a cladding layer; the cladding layer is SiO2, Al2O3, BN or graphene; the magnetic material is at least one of ferrite, carbonyl iron powder, iron silicon aluminum or iron silicon chromium; the additive is at least one of a toughening agent, an anti-settling agent, an antioxygen, a defoaming agent, a dispersing agent and a flatting agent. The paint is still stable at high temperature for a long period; high-temperature-resistant and shielding effects are good.

The invention relates to a bamboo charcoal viscose facial mask base cloth and a high moisture retention and moisturizing facial mask. The bamboo charcoal viscose facial mask base cloth is prepared with the following method: 1) adding nanometer bamboo charcoal powder and sodium alga acid into dispersion solution to be dispersed evenly in bamboo charcoal serous fluid; 2) adding the bamboo charcoal serous fluid into viscose spinning solution to be dispersed evenly, and filtering and deforming to obtain mixed spinning solution; 3) carrying out wet method spinning on the mixed spinning solution toobtain the bamboo charcoal viscose, and carrying out opening, mixing, carding and lapping to obtain a bamboo charcoal viscose felt; 4) dissolving chitosan in acetic acid aqueous solution, adding gelatin to be dissolved to obtain finishing liquor, and dipping the bamboo charcoal viscose felt into the finishing liquor to carry out impregnation modification to obtain a compound fiber felt; 5) carrying out spunlace reinforcement on the compound fiber felt. The bamboo charcoal viscose facial mask base cloth has high constraint ability on serum and good water retention and moisture liberation performance; after the facial mask serum is loaded through a liquid hanging step, the high moisture retention and moisturizing facial mask is obtained, situation that serum loss due to dripping and droppingcan be avoided, and waste is avoided.

The invention discloses tea drink with an anti-radiation effect and a preparation method thereof. The tea drink is prepared from the following preparation raw materials in parts by weight: 2-5 parts of alga, 5-10 parts of kelp, 20-30 parts of green tea, 10-20 parts of coix seed, 15-40 parts of spina date seed, 4-8 parts of Chinese magnoliavine fruit, 10-15 parts of dahurian rose fruit, 5-8 parts of liquoric root, 10-20 parts of vitamin C, 6-9 parts of vitamin E and 10-30 parts of sucrose. The materials selected for preparing the tea drink are special, i.e., the green tea and the traditional Chinese medicines can eliminate the free radicals in the body, enhance the immune function in the body and delay the aging, and the kelp and the alga can discharge radioactive substances in the body and have the function of treating both symptoms and root causes; the tea drink has an obvious effect through the compatibility of the raw materials and overcomes the defect of single effect of the conventional health-care tea.

The invention discloses a radiation resistant fabric. The fabric comprises a skin affinitive layer, a radiation resistant layer and a wear resistant layer from inside to outside, wherein the three layers are connected through adhering with adhesives or sewing. Compared with the prior art, the fabric has the following advantages: the skin affinitive layer formed by weaving the natural fibers such as cotton ramie silk and the like ensures that people feel comfortable and are not allergic when wearing the fabric next to the skin; the radiation resistant layer is formed by weaving radiation resistant fibers, so the fabric is soft, can be washed and has good radiation resistance effect; and as the outer layer, the wear resistant layer formed by weaving chemical fibers is wear resistant and has good dyeing property, and as the exterior of the fabric, the wear resistant layer has luster and bright color.

The invention discloses a weaving process for flax and fiber fabric blended home textile products. Flax fibers, cotton fibers and pearl fibers are spun into blended yarns, and the blended yarns serve as warp yarns and weft yarns which are woven into the flax and fiber fabric blended home textile products. The weaving process includes the steps: winding; warping; drawing-in; refining; singeing; drying; weaving. Warps and wefts are firstly made into twisting cheeses by a winding machine, the rotating speed of a groove drum in winding is 600+ / -5r / min, the warps and the wefts on the twisting cheeses are made into a warp beam through a warping machine according to the requirements of a warping process, a direct-reverse singeing process is adopted, and softening agents are used for drying. The flax and fiber fabric blended home textile products produced by the weaving process are less in hairiness and easily degraded, have excellent moisture absorbing and sweat releasing performances, reserve natural antibacterial healthcare functions, fine soft and comfortable performances, excellent ultraviolet resistance, radiation-proof and antibacterial performances, outstanding high temperature resistance and unique odor absorption and sewage disposal performances of flax, are soft and comfortable in hand feeling as compared with other flax products, and are new-generation green environment-friendly products.

The invention discloses a radiation-resistant acoustic board and a production method thereof. The radiation-resistant acoustic board comprises two layers of first polyester fiber boards and a metal net which is compounded between the two layers of first polyester fiber boards. The acoustic board has the advantages of good in noise reduction effect and radiation-resistant effect, good in landscape effect due to wave design of the surface and low in cost.

The invention discloses an antibacterial and radiation-proof spun fiber for medical fabric and a preparation method thereof. The antibacterial and radiation-proof spun fiber for medical fabric is prepared from the raw materials of polylactic acid, modified ricinus silk, polypropylene filament yarn, polyester fiber, wool fiber, zein fiber, nylon fiber, jute fiber, asbestos fiber, cotton stalk bark fiber, pentaerythritol, acetic ester, propylene glycol, nano zinc oxide, nano titanium oxide, barium alginate, magnesium oxide, carbon black, polypyrrole, sliver nitrate, silane coupling agent KH-550 and antibacterial modification additives. The antibacterial and radiation-proof spun fiber for medical fabric is excellent in antibacterial and radiation-proof properties.