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 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 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 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 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 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 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 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.