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56results about How to "Improve the performance of anti-electromagnetic radiation" patented technology
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High-energy composite peptide selenoprotein nutrient solution, preparation method and application thereof
ActiveCN103145495AIncreased peroxidase contentImprove stress resistanceBio-organic fraction processingMagnesium fertilisersMedicinal herbsHigh energy
The invention relates to a high-energy composite peptide selenoprotein nutrient solution, a preparation method and an application thereof. The nutrient solution is composed of selenium raw material, protein, mineral substances, vitamin, natural energy minerals and the like; the high-energy composite peptide selenoprotein nutrient solution containing rich selenium element, the mineral substances, the vitamin and natural energy substances is prepared by performing enzymolysis on the protein, and conducting synthesizing, energy treatment, complexation and strengthening treatment on a peptide selenoprotein compound, and the nutrient solution can be widely used for the development and utilization of various selenium-enriched agricultural and sideline products (comprising various food crops, vegetables, fruits, fungi, wild plants, marine food, animal meat and Chinese medicinal herbs). The application of the nutrient solution is as follows: the high-energy composite peptide selenoprotein nutrient solution mother solution is diluted by 6000-8000 times in multiple proportions by adding water, the diluted nutrient solution is irrigated and sprayed to the roots and leaf surfaces of the crops in different growth periods for 3-6 times, and therefore, the selenium-enriched agricultural and sideline products can be obtained.
Owner:谢超
Electromagnetic-radiation-resistant protection film and preparation method thereof
ActiveCN104087188AGood anti-electromagnetic radiation effectSimple processFilm/foil adhesivesPolyureas/polyurethane adhesivesElectromagnetic radiationEngineering physics
The invention relates to the technical field of optical protection films, and especially relates to an electromagnetic-radiation-resistant protection film and a preparation method thereof. The preparation method comprises the following steps: step 1, preparing light-cure paint with electromagnetic radiation resistant function; step 2, coating a PET base material with the light-cured paint by using a slight-concave roller, and controlling the coating thickness of the light-cured paint to be 3-10 mu m, the diameter of the slight-concave roller to be 30-50 mm and the line screen of the slight-concave roller to be 40-400; step 3, curing the paint to obtain a film; and step 4, preparing the electromagnetic-radiation-resistant protection film. The electromagnetic-radiation-resistant protection film is good in electromagnetic-radiation-resistant effect, the technology is simple and manure and beneficial for popularization and application. When the electromagnetic-radiation-resistant protection film is used, the electromagnetic-radiation-resistant protection film can be attached to a handset or a display screen by tearing a PET protection film. Compared with electromagnetic-radiation-resistant equipment at home and abroad, such as radiation-proof clothes, electromagnetic-wave protection helmets and the like, the electromagnetic-radiation-resistant protection film is simple and convenient to use and easy to popularize.
Owner:NALI OPTICAL MATERIAL DONGGUAN
Anti-electromagnetic radiation fabric coating adhesive and preparation method thereof
ActiveCN104452298AShort production processSimple and fast operationVegetal fibresIsooctyl acrylatePolyester
The invention discloses an anti-electromagnetic radiation fabric coating adhesive and a preparation method thereof. The anti-electromagnetic radiation fabric coating adhesive is prepared from the following raw materials in parts by weight: 8-10 parts of sodium dodecyl benzene sulfonate, 5-6 parts of fatty alcohol-polyoxyethylene ether, 25-30 parts of butyl acrylate, 85-90 parts of 2-ethylhexyl acrylate, 9-10 parts of cyclohexyl methacrylate, 3.5-4 parts of acrylamide, 4-5 parts of acrylic acid, 1.5-2 parts of trimethylolpropane triacrylate, 10-20 parts of styrene, 1.5-2 parts of glycidyl methacrylate, 1.0-1.6 parts of ammonium persulfate and 250-330 parts of deionized water. The method comprises the following steps: synthesizing an emulsion by emulsification and initiated polymerization; and adding a mixed liquid of 3-6 parts of conductive polyaniline and 15 parts of N,N-dimethyl formamide, 30-35 parts of a carbon nanotube dispersion liquid and 3-4 parts of an associative polyurethane flatting rheological agent, and compounding, so as to obtain the anti-electromagnetic radiation fabric coating adhesive. The anti-electromagnetic radiation fabric coating adhesive is suitable for pure cotton and polyester fabrics, and has good conductive property, anti-electromagnetic radiation property, binding strength, water-fastness, tearing strength, breaking strength, hydrostatic pressure resistance and hand feeling.
Owner:DANDONG UNIK TEXTILE
Wool product for preventing electric radiation and manufacturing technology thereof
PendingCN107237038AGood anti-electron radiation effectPromote absorptionWeft knittingBiochemical treatment with enzymes/microorganismsYarnPolyester
The invention provides a wool product for preventing electric radiation. The wool product comprises 10-20% of wool fiber, 30-40% of modified polyester fiber, 25-35% of silver-coated filament and 15-35% of bamboo pulp fiber, wherein the silver-coated filament is coated with the modified polyester fiber to form core spun yarn, the core spun yarn, the wool fiber and the bamboo pulp fiber are blended to form fabric with a function of preventing the electric radiation. Through the coordination of a manufacturing technology, the wool product which has a high electromagnetic shielding effect, comfortable in handfeel, is suitable for being worn can be obtained.
Owner:JIAXING ZHULANG CLOTHING CO LTD
Permanent electromagnetic radiation resistant fabric
The invention belongs to the field of textile materials, and relates to a permanent electromagnetic radiation resistant fabric. According to the technical scheme, warp and weft yarns of the permanent electromagnetic radiation resistant fabric are flexible fibers; an electromagnetic radiation resistant coating is arranged on the surface of the fabric and consists of the following raw materials in percentage by weight: 1-10 percent of polyvinyl alcohol, 0.1-3 percent of polyvinyl acetate emulsion, 1.8-2.8 percent of hydroxymethyl cellulose, 15-50 percent of nano metal particles and the balance of water. The permanent electromagnetic radiation resistant fabric disclosed by the invention can shield electromagnetic waves, and the shielding rate is over 99.9 percent; the shielding performance is over 54dB, and the popularization signification is great.
Owner:宁夏恒丰瑞斯特科技有限公司
Method for in-situ generating ultrafine silver particles in textile
InactiveCN1804203ASmall particle sizeGood dispersionFibre treatmentTextile fiberElectromagnetic radiation
The disclosed preparation method for ultramicro Ag+ in textile comprises: adsorbing Sn2+ on textile fiber surface to reduce the silver and realize the connection between silver and fiber; with the assistant of ultrasonic wave, dipping the treated textile into the ethanol-water solution of with dissolved AgNO3 to let silver grow on fiber surface at room temperature. This invention improves the dispersion and adhesion force of Ag+ in textile with simple process to enhance its prevention against electromagnetic radiation, thermal conduction and antibacterial property greatly.
Owner:ZHEJIANG SCI-TECH UNIV
Improved intelligent box-type transformer substation
InactiveCN103915775AImprove cooling effectSave resourcesSubstation/switching arrangement cooling/ventilationDistribution substationsTransformerLow voltage
The invention relates to an improved intelligent box-type transformer substation, and belongs to the technical field of power transmission and transformation. According to technical scheme, the improved intelligent box-type transformer substation comprises a box body and a base, wherein a high-voltage chamber, a low-voltage chamber and a transformer chamber are arranged in the box body, the box body is composed of wall plates on the periphery of the box body and a cover plate at the top end, a variable frequency self-suction type fan is installed in the position, corresponding to the transformer chamber, on the cover plate, and a temperature and humidity sensor is arranged in the transformer chamber and connected with a control unit of the variable frequency self-suction type fan. The improved intelligent box-type transformer substation has the advantages of being reasonable in structure, and good in cooling effect and working effect.
Owner:JIANGSU XINHENGTAI ELECTRICAL TECH
Synthetic fiber material
ActiveCN103590123AImprove shielding effectivenessWide range of applicationsArtifical filament manufactureSynthetic fiberRadiation
Owner:王静然
Case cabinet
InactiveCN104320947AEasy to organize and dischargeEasy to monitorMagnetic/electric field screeningCircuit arrangements on support structuresEngineeringMechanical engineering
The invention provides a case cabinet which comprises side boards, a back board, a door board, a top board and a bottom board. All the boards are detachably connected. The case cabinet further comprises a separation board. The separation board is detachably arranged between the two side boards and provided with multiple cable bunching holes. An opening is formed in the bottom board. Two to five detachable baffles are arranged in the opening. Due to the fact that the separation board is provided with the cable bunching holes and the bottom board is provided with the opening and the detachable baffles, cables near the cable bunching holes can conveniently penetrate through the cable bunching holes and the opening so as to be sorted and arranged, and the purpose of the reasonable layout of the cables is achieved; meanwhile, the adaptability is improved due to the multiple cable bunching holes and the requirements for bunching the cable in different positions can be met; due to the arrangement of the multiple detachable baffles, the different conditions of the cables with the number changing from small to large can be met, the number of the detached baffles is determined according to the number of the cables, and adaptability is further improved.
Owner:天津市晟宇金属制品有限公司
Stretchable multi-core wire with electromagnetic shielding layer and manufacturing method of wire
PendingCN113241215AGuaranteed flexibilityImprove the performance of anti-electromagnetic radiationFlexible cablesCable/conductor manufactureEngineeringElectromagnetic shielding
The invention discloses a stretchable multi-core wire with an electromagnetic shielding layer. The stretchable multi-core wire comprises one or more elastic wire cores, a braid layer wound and wrapped on the outer side of the one or more elastic wire cores, and an elastic shielding layer wrapped on the outer side of the braid layer. The elastic shielding layer is one or more elastic shielding layers wrapping the outer side of the braid layer, and the elastic shielding layer is one or more of a metal woven mesh, a metal knitted shielding mesh, conductive silicone rubber, conductive rubber, conductive plastic, conductive cloth and conductive yarn. According to the scheme, the special structure of the elastic shielding layer and the preparation method are adopted, so that the electromagnetic radiation resistance is enhanced, the elasticity of the elastic wire is ensured, and very good practicability is achieved.
Owner:嘉兴极展科技有限公司
Production method for anti-radiation soybean fiber fabrics
InactiveCN104532442AAvoid wear and tearConductiveHeating/cooling textile fabricsWoven fabricsSilver plateAfter treatment
The invention discloses a production method for anti-radiation soybean fiber fabrics. Soybean fibers, cotton fibers and silver-plated fibers are used as raw materials to be woven into anti-radiation soybean fiber fabrics through plain weave. The production method comprises the steps of dyeing the soybean fibers and the cotton fibers respectively, mixing and twisting the soybean fibers and the silver-plated fibers into wefts, using the cotton fibers and the silver-plated fibers as warps, and weaving the wefts and the warps through the plain weave into the anti-radiation soybean fiber fabrics. According to the production method, the soybean fiber fabrics are produced through a yarn dyeing method, the process route is short, after treatment is absent, oxidation and corrosion of silver-plated fibers during chemical agent heat treatment can be prevented, and the soybean fiber fabrics are good in anti-radiation and anti-bacterial performances and comfortable to wear next to the skin.
Owner:SUZHOU WILDER IND & TRADE
Mattress with health care function, and production technology of mattress
The invention discloses a mattress with a health care function, and a production technology of the mattress. The mattress is formed by wrapping a mattress core with an outer packaging layer, wherein the mattress core consists of an upper mattress and a lower mattress; the surface of the lower mattress is provided with a through groove with a V-shaped cross section, and through groove is used for placing aromatic microcapsules; the upper mattress is provided with a semi-circular groove at the position corresponding to the through groove formed in the lower mattress, and the diameter of the semi-circular groove is consistent with the size of the V-shaped opening; stainless steel wires are placed in the semi-circular groove and are externally wound with fibers, and the fibers are wrapped withthin films. The production technology of the mattress comprises the following steps: (1) preparing the aromatic microcapsules and a mixture solution; (2) preparing the stainless steel wires; (3) forming the V-shaped through groove in the lower mattress; (4) forming the semi-circular groove in the upper mattress; (5) preparing the mattress core; (6) preparing the outer packaging layer. The mattress is provided with the aromatic microcapsules, yarns treated by means of the mixture solution, and the stainless steel wires, thus having effects of nutrition and skin care and a function of preventing electromagnetic radiation while helping sleep.
Owner:JIANGSU ZHONGHENG KELAIBI FURNITURE CO LTD
Ultra-shielding electric wire and cable
InactiveCN103354120AIncrease the ability to resist electromagnetic radiationImprove shielding performanceInsulated cablesInsulated conductorsTemperature resistanceCopper wire
The invention discloses an ultra-shielding electric wire and cable, comprising a conductive wire core, a plurality of insulating layers and a plurality of metal braid layers. The metal braid layers comprise a first metal braid layer and a second metal braid layer from inside out in sequence. A first isolating layer is disposed between the first metal braid layer and the second metal braid layer. Two adjacent layers of the first metal braid layer, the first isolating layer, and the second metal braid layer are isolated by insulating layers. In the cable, the multilayer metal braid layers which are disposed at interval greatly improve electromagnetic radiation shielding capacity of the wire and cable, and the metal braid layers are woven tightly by silver-plated copper wires which is processed by stannizing, thereby further improving shielding performance. The isolating layers are disposed among the plurality of metal braid layers, thereby further improving shielding performance. Arrangement form of the plurality of insulating layers improves strength of the wire and cable and high temperature resistance performance.
Owner:ANHUI CHUNHUI INSTR CABLE GROUP
Health care chewing gum
InactiveCN1600144AConvenient for long-term intakeImprove the performance of anti-electromagnetic radiationConfectionerySweetmeats
A health-care chewing gum for improving the resistance of human body to electromagnetic radiation is prepared from extract of spirulina, astragalus root or siberian solomonseal rhizome, white sugar, assistant and flavouring.
Owner:GUIZHOU MAQIKA PHARMA
Electromagnetic wave radiation resistant multilayer composite veneer based on field source shielding technology
ActiveCN111629576AGood anti-electromagnetic radiation effectImprovement of anti-electromagnetic radiation effectActive shieldingRadiation resistantMetal foil
The invention discloses an electromagnetic wave radiation resistant multilayer composite veneer based on a field source shielding technology, relates to the technical field of electromagnetic wave radiation shielding, and aims to solve the problems that existing electromagnetic radiation shielding mainly adopts metal foils for blocking, and when a blocking part is usually provided with a single-layer metal foil, the structural strength is low, the service life is short, the shielding effect needs to be improved, and driving and driven shielding cannot be compatible. A first aluminum foil covering layer, a first kraft paper covering layer, a reinforcing net wire layer, a second aluminum foil covering layer, a second kraft paper covering layer and a third aluminum foil covering layer are arranged in a composite veneer body. The first aluminum foil covering layer and the first kraft paper covering layer are bonded through a first adhesive layer, the second aluminum foil covering layer andthe second kraft paper covering layer are bonded through a second adhesive layer, and the second kraft paper covering layer and the third aluminum foil covering layer are bonded through a third adhesive layer.
Owner:康美舒(嘉兴)新型材料有限公司
Polymethyl methacrylate-nano cerium oxide coating modification calcium carbonate powder and preparing method thereof
InactiveCN106590045AImprove toughnessImprove heat resistancePigment treatment with macromolecular organic compoundsPigment treatment with non-polymer organic compoundsDispersityThermal ageing
The invention discloses polymethyl methacrylate-nano cerium oxide coating modification calcium carbonate powder. The preparing method includes the steps that titanate coupling agent / ethanol solution wet method ball grinding pretreatment is carried out on calcium carbonate to improve dispersity and surface reactivity, calcium carbonate powder obtained after pre-modification is mixed with nano cerium oxide and methyl methacrylate monomers to react, a polymethyl methacrylate / nano cerium oxide composite membrane layer is generated on the surface through in-situ polymerization, modified calcium carbonate powder has good compatibility with a resin matrix, unique characteristics are endowed to the powder by rare earth oxide, tenacity, thermal ageing resistance, light ageing resistance and electromagnetic radiation resistance of plastic can be improved, and added value is effectively increased.
Owner:QINGYANG COUNTY YONGCHENG CALCIUM IND
Soft skin care fabric and preparation method thereof
PendingCN114703650AGood flexibilityGood hygroscopicityGrip property fibresConjugated synthetic polymer artificial filamentsPolymer sciencePolyethylene terephthalate glycol
The invention discloses a soft skin care fabric and a preparation method thereof, and relates to the technical field of textile materials. When the soft skin care fabric is prepared, firstly, hydroxymethyl triethoxy silane, dimethyl dimethoxy silane and methyl vinyl dimethoxy silane react and then react with 4-hydroxythiophenol to prepare sulfydryl vinyl polysiloxane, ferric chloride, ferrous chloride and tetrabutyl titanate react to prepare the soft skin care fabric. The preparation method comprises the following steps: carrying out a reaction on poly (1, 3-butadiene), TPU polyurethane, polyethylene terephthalate and modified composite nanoparticles in sequence to obtain modified composite nanoparticles, spinning poly (1, 3-butadiene), TPU polyurethane, polyethylene terephthalate and the modified composite nanoparticles, and carrying out a spinning process to obtain the high-temperature-resistant polyurethane composite material. Then reacting with modified vinyl-terminated polydimethylsiloxane modified by allyldimethoxysilane and triethoxysilane, and tetraethoxysilane, and weaving to obtain the soft skin care fabric. The soft skin-care fabric prepared by the invention has excellent softness, moisture retention and electromagnetic radiation resistance.
Owner:邵建平
Method for processing copper fiber, bamboo fiber and cotton fiber blended yarns
The invention discloses a method for processing copper fiber, bamboo fiber and cotton fiber blended yarns. The method includes bamboo fiber strip processing working procedures, combed cotton silver processing working procedures and blending processing working procedures. The method is characterized in that the copper fiber, bamboo fiber and cotton fiber blended yarns comprise, by weight, 25-49% of bamboo fibbers, 20-39% of copper fibers and the balance cotton fibers. According to the scheme, the method has the advantages that the copper fiber, bamboo fiber and cotton fiber blended yarns on the basis of integration of the copper fibers, the cotton fibers and polyester fibers are extremely high in comfort and have certain strength, antistatic capacity, electromagnetic radiation resistance and sterilization characteristics.
Owner:NANTONG JINSHAN TEXTILE
Preparation method of anti-electromagnetic radiation polyurethane foam
InactiveCN109265973AImprove the performance of anti-electromagnetic radiationImprove mechanical propertiesWear resistantElectromagnetic shielding
The invention relates to the field of preparation methods of special foam materials, in particular to electromagnetic shielding polyurethane foam and a preparation method thereof. The polyurethane foam comprises a polyurethane foam base layer, an adhesion enhancing layer, an electromagnetic shielding layer and a wear-resistant layer from inside to outside in sequence. The electromagnetic shieldinglayer is formed by curing electromagnetic shielding paint on the adhesion enhancing layer, and the wear-resistant layer is prepared from wear-resistant paint subjected to ultraviolet-curing cured onthe surface of the electromagnetic shielding layer. By means of the electromagnetic shielding polyurethane foam and the preparation method thereof, the problems in the prior art that the in the priorart, foam plastic is low in electromagnetic shielding efficiency, poor in anti-electromagnetic radiation capability and high in cost are solved, therefore, the electromagnetic shielding polyurethane foam and the preparation method thereof have the following beneficial effects that electromagnetic radiation can be effectively shielded; the cost is low, and the preparation method is simple; charge accumulation is prevented, and formation of static is hinderedavoided.
Owner:德清舒华泡沫座椅有限公司
Polyurethane foam for preventing electromagnetic radiation
The invention relates to a special foam material, in particular to a polyurethane foam for preventing electromagnetic radiation. The foam comprises the following components in parts by weight: 100 parts of siloxane modified diethylene glycol phthalic anhydride polymer, 80-100 parts of isocyanate, 10-25 parts of nanometer lead tungstate silica gel, 25-35 parts of powder graphene microsheet, 5-15 parts of carboxymethyl starch, 3-8 parts of melamine, 5-10 parts of ammonium polyphosphate, 1-3 parts of triethylenediamine, 0.5-3 parts of water and 0.05-0.25 part of dibutyltindilaurate. The inventionsolves the problems of low electromagnetic shielding efficiency, poor anti-electromagnetic radiation ability and high cost of foamed plastics in the prior art and has features of (1) good anti-electromagnetic radiation performance; (2) good mechanical properties and machinability; (3) low cost and simple processing method.
Owner:德清舒华泡沫座椅有限公司
Electric automobile rapid charging cable and preparation method thereof
ActiveCN106558367ALarge current-carrying capacity per unit cross-sectional areaMeet the requirements of fast chargingPower cables with screens/conductive layersMetal/alloy conductorsCopper conductorCurrent electric
The invention discloses an electric automobile rapid charging cable and preparation method thereof, solving the technical problem that a current electric vehicle charging cable in the fast charge generates the electromagnetic radiation to interfere charging control. The charging cable includes power supply lines, a ground wire, signal transmission control lines and auxiliary power supply lines that respectively comprise copper conductors and insulating layers coating the outside of the copper conductors, and the signal transmission control lines and the ground wire are adjacent. Each signal transmission control line further includes nylon wire ropes filling the corresponding insulating layer, successively winding plastic-aluminum composite belt layers, a braiding layer wrapping the plastic-aluminum composite belt layers, a conducting resin layer coating the braiding layer, and an inner sheath extruding on the conducting resin layer. The charging cable further includes a PP rope filling a line group formed by the power supply lines, the ground wire, the auxiliary power supply lines and the signal transmission controls, successively lapping wrapping layers, and an outer sheath compacting on the wrapping layer. The electric automobile rapid charging cable can carry out anti-electromagnetic radiation while rapidly charging an electric automobile.
Owner:ANHUI LIANJIAXIANG SPECIAL CABLE
Cable pipe material capable of resisting electromagnetic radiation
InactiveCN106188745AImprove impact resistanceImprove the performance of anti-electromagnetic radiationCross-linkMasterbatch
The invention discloses a cable pipe material capable of resisting electromagnetic radiation. The cable pipe material is prepared from the following raw materials in parts by weight: 80-90 parts of polyethylene, 3-4 parts of vinyl trimethoxy silane, 0.5-0.8 part of a cross-linking initiating agent, 0.2-0.5 part of dibutyltin dilaurate, 0.1-0.2 part of a free radical inhibitor, 1-3 parts of pigment, 1.4-1.8 parts of carbon black masterbatch and 10-12 parts of ethylene propylene diene monomer. The cable pipe material disclosed by the invention is low in cost and resistant to ageing, the intensity and the erosion-resistant properties of the cable pipe material are improved, and besides, the electromagnetic radiation resistance is improved.
Owner:ANQING NORMAL UNIV
Paint for improving anti-electromagnetic radiation performance of textile and preparation method thereof
InactiveCN105821667AImprove the performance of anti-electromagnetic radiationFibre treatmentEpoxyKetone
The invention discloses paint for improving anti-electromagnetic radiation performance of textile and a preparation method thereof.The paint is prepared from, by weight, 40-50 parts of lauric acid polyoxyethylene ether, 10-20 parts of trimethylolpropane, 35-45 parts of neopentyl glycol, 30-40 parts of pentaerythritol, 20-30 parts of polyethyleneimine, 10-20 parts of methyl isobuty ketone 4-methyl-2-pentanon, 25-35 parts of butyl acrylate, 15-25 parts of dibutyltin dilaurate, 5-15 parts of lead dimethacrylate, 5-15 parts of samarium dimethacrylate and 4-6 parts of diacrylate and acrylic epoxy ester, wherein the mass ratio of diacrylate to acrylic epoxy ester is (3-5):1.The paint can improve anti-electromagnetic radiation performance of textile, the function of the paint is mainly related to the weight ratio of diacrylate to acrylic epoxy ester, and when the weight ratio of diacrylate to acrylic epoxy ester is (3-5):1, the paint improves the anti-electromagnetic radiation performance of textile to the largest extent.
Owner:李晨露
Waterproof and radiation-proof fabric and preparation method thereof
InactiveCN112626640ASimple manufacturing methodLess investmentConjugated synthetic polymer artificial filamentsArtifical filament manufacturePolymer scienceSide chain
The invention discloses a waterproof and radiation-proof fabric. The waterproof and radiation-proof fabric is prepared from the following components in parts by weight of 10-15 parts of polythiophene with an alcohol amine group on a side chain, 45-65 parts of 2,3,5,6- tetrafluoro-terephthalyl alcohol / isocyanate-terminated polyurethane prepolymer condensation polymer, 3-5 parts of isocyanatopropyltriethoxysilane modified fluorinated graphene and 1-3 parts of triethylamine. The invention further provides a preparation method of the waterproof and radiation-proof fabric. The waterproof and radiation-proof fabric disclosed by the invention is remarkable in waterproof and radiation-proof effect, good in comprehensive performance and good in performance stability, air permeability, durability and wearing comfort.
Owner:初殿德
A preparation method of multi-layer anti-radiation fiber based on ferrite and nanomaterials
ActiveCN106381684BImprove the performance of anti-electromagnetic radiationImprove transmittanceFibre typesMonocomponent polyolefin artificial filamentFiberViscous liquid
The invention provides a method for preparing multilayer radiation-resistant fibers based on ferrites and nanometer materials. The method comprises the following steps: adding ultrahigh molecular weight polyethylene into a solvent, and stirring until the ultrahigh molecular weight polyethylene is completely dissolved; adding silicon carbide nano powder and an ampholytic surfactant, uniformly mixing, slowly evaporating to be viscous, mechanically drawing, performing thermal drying, and forming inner-layer fibers; impregnating the inner-layer fibers in polypyrrole liquid, oscillating, taking out, and airing, thereby obtaining intermediate layer fibers; and adding gel containing ferrites into fibroin aqueous solution, adding a cationic surfactant, stirring and concentrating into viscous liquid, coating the surface of the intermediate layer fibers with the viscous liquid, drying, coating again and drying, thereby obtaining the product. The multilayer radiation-resistant fibers provided by the invention adopt a simple preparation method and are excellent in anti-electromagnetic performance and have good mechanical properties and high flexibility and serviceability.
Owner:福建五赫兹生物科技有限公司
Health care chewing gum
InactiveCN100441104CConvenient for long-term intakeImprove the performance of anti-electromagnetic radiationAlgae medical ingredientsChewing gumAdditive ingredientSugar
A health-care chewing gum for improving the resistance of human body to electromagnetic radiation is prepared from extract of spirulina, astragalus root or siberian solomonseal rhizome, white sugar, assistant and flavouring.
Owner:GUIZHOU MAQIKA PHARMA
Environmental conductive copper and aluminum foil shielding materials for communication cable and manufacturing method thereof
PendingCN108346482AImprove moisture resistanceImprove the performance of anti-electromagnetic radiationConductive layers on insulating-supportsApparatus for manufacturing conducting/semi-conducting layersCopper foilEngineering
The present invention relates to shielding materials and a manufacturing method thereof. The objective of the invention is to provide improvement of environmental conductive copper and aluminum foil shielding materials for a communication cable and a manufacturing method thereof. The shielding materials have a higher isolation performance to meet a mobile communication shielding requirement. The manufacturing method is good in product flexibility, simple in preparation process and high in production efficiency. The environmental conductive copper and aluminum foil shielding materials for the communication cable comprise two aluminum foil layers. The environmental conductive copper and aluminum foil shielding materials further comprise a copper foil layer. PET layers glued and connected byglue are arranged between the two aluminum foil layers and between the copper foil layer and the aluminum foil layers, and the other external layer of the copper foil layer is an EMAA layer glued by glue.
Owner:杭州东兴电讯材料有限公司
Low radiation cover glass for touch screen and preparation method thereof
InactiveCN107586045ATo achieve the purpose of absorbing electromagnetic wavesEvenly dispersedInput/output processes for data processingSolventElectromagnetic radiation
The invention relates to the technical field of touch screen, and especially relates to a low radiation cover glass for touch screen and a preparation method thereof. The cover glass comprises an ultrathin glass sheet. A wave absorbing composite masking liquid is sprayed on the ultrathin glass sheet to form a wave absorbing film after curing. The main solvent of the wave absorbing composite masking liquid is ethanol. 1.5 to 3.5 wt% of wave absorbing composite powder and 2 to 5 wt% of bonding agent are dispersed in ethanol. The wave absorbing composite powder is an ATP-Fe3O4-RGO-Ni particle, which is prepared by the following steps: wrapping Fe3O4 by nano attapulgite to modify Fe3O4, and then combining modified Fe3O4 with nickel loaded graphene. The preparation method has the advantages ofsimple technology and convenient operation. The prepared cover glass has a stable performance and a strong wave absorbing property, can effectively prevent electromagnetic radiation for a long term, and can reduce the harmful effect of electromagnetic radiation generated by toughing a touch screen to human body.
Owner:CHONGQING ZHONGGUANGDIAN DISPLAY TECH CO LTD
Electromagnetic shielding polystyrene foam
The invention relates to the field of special foam materials, in particular to electromagnetic shielding polystyrene foam. By means of the electromagnetic shielding polystyrene foam, the problems thatin the prior art that, foam plastic is low in electromagnetic shielding efficiency, poor in anti-electromagnetic radiation capability and high in cost are solved. The foam is prepared from the following components in parts by weight: 100 parts of polystyrene master batch, 10-25 parts of nanometer lead tungstate silica gel, 15-25 parts of powdery graphene nanoplatelets, 5-15 parts of reduced ironpowder, 5-15 parts of silane modified carboxymethyl starch, 2-10 parts of n-pentane, 3-10 parts of melamine, 1-10 parts of ammonium polyphosphate and 0.25-0.85 part of dibutyltin dilaurate. After thecomponents are fully mixed, according to a conventional scheme, a mixture is foamed to obtain the electromagnetic shielding polystyrene foam; the electromagnetic shielding polystyrene foam has the advantages that the electromagnetic shielding performance is good; the raw materials are simple and cheap; the electromagnetic shielding polystyrene foam has the characteristic of preventing charge accumulation, so that static is effectively prevented; a flame retarding effect is excellent.
Owner:德清舒华泡沫座椅有限公司
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