126results about How to "With bending resistance" patented technology

This is a argent metallization producing method of organic fibre and fabric, which belongs to vacuum membrane plating and electroplating technologic field and mainly solves the problems of quality and producing batches of silver-gilt organic and fabric. Through physical vapour phase deposition technology, it firstly arranges smoothly and rolls up tidily the organic fibre bundle and fabric; lay them in the vacuum room, plate silver by magnetic controlling and sputtering, and monolayer or multilayer continuously plate membrane; then plate mulriple argent membrane according to different using demands. The binding force of the metallic argentic ion and organ fibre of the present invention is strong, it has no pollution, low costs and can be continuously produced. The products are applied in such industry as electronics, war industry communication, medical treatment, special type of spinning and so on. For instance, electric shielded products, military used shielded tent, special type of spinning antibacterial materials and civil health care spinning products.

The invention discloses a preparation method of a large-area surface enhancement raman scattering substrate. The preparation method comprises the following steps: at first, the surface of a hard solid material is irradiated by femtosecond laser to prepare a large-scale hard microstructural mother set; then, polydimethylsiloxane (PDMS) is poured on the hard microstructural mother set by the nanoimprint lithography technology, and the structure on the hard microstructural mother set is copied to prepare a PDMS framework; and finally, a gold film is plated on the PDMS framework to prepare the PDMS surface enhancement raman scattering substrate. The experiment results show that the preparation method has the advantages that the enhancement factors are high, enhancement factors in different positions of the substrate have good uniformity, the large-area surface enhancement raman scattering substrate can be prepared, the mother set can be repeatedly imprinted, the production cost is reduced, and in addition, god is taken as raman enhancement metal, so that the defect that silver is oxidized very easily is avoided.

The invention provides a non-woven filter felt combining air-laid web with pinprick reinforcement, wherein, the non-woven filter felt has a layered structure, the intermediate layer is high-tenacity and low-elongation type base cloth, and the upper surface and the lower surface of the high-tenacity and low-elongation type base cloth are symmetrically glued with a fiber surface layer or an extra fine fiber surface layer. The production method essentially comprises the technology of producing the surface layer air-laid web: producing the base cloth; producing the needled-punched felt; impregnating; calendering; coating; preliminary drying; solidifying in a way of curing; trimming; winding; and finishing a product. The invention has the advantage that the technology combining the air-laid web with the pinprick reinforcement is used for producing the non-woven filter felt, thereby combining the respective advantage of the two technologies, improving the service life of filter materials, and having high filtration efficiency, high physical and mechanical properties, as well as low cost. Compared with the normal method for filtrating materials with needle punching, the invention can obviously improve the wearing resistance, the fold-resistance capability and the tensile strength, and can bear hyperfiltration load, wherein, the filtering rate can reach more than 1.0 m/min, and the running resistance is low.

The invention discloses a planar flexible room-temperature NO<2> sensor based on a three-dimensional MXene folded ball/ZnO composite material and a preparation method thereof, and belongs to the technical field of gas sensors. The sensor is composed of a polyimide flexible substrate having an Au interdigital electrode and three-dimensional MXene folded ball/ZnO composite material sensitive electrodes prepared on the interdigital electrode and the substrate. According to the planar flexible room-temperature NO<2> sensor based on the three-dimensional MXene folded ball/ZnO composite material andthe preparation method thereof provided by the invention, with the MXene material as a basis, the MXene is treated via an ultrasonic spraying method to prepare the anti-aggregating three-dimensionalMXene folded ball, thus achieving the advantages of being anti-aggregating, and maintaining a large specific surface area of the MXene; meanwhile, the oxidation is composited, and a ZnO nanoparticle is increased on a surface of the three-dimensional MXene folded ball, so that a sensing site is increased; and compared with a two-dimensional MXene and pure three-dimensional MXene folded ball, the sensor prepared based on the three-dimensional MXene folded ball/ZnO composite material obtains higher NO<2> sensing property, and has very good selectivity, resilience and bendability.

The invention relates to the technical field of decorating and building materials, in particular to a novel environment-friendly and fireproof biomass board. The board is characterized by comprising the following components in percentage by weight: 65.0-75.0% of biomass packings, 15.0-25.0% of sodium silicate, 5.0-10.0% of sodium fluosilicate and 0.05-1.0% of fiberglass mesh, wherein the biomass packings are wood scraps, wood branches or crop straws. The environment-friendly and fireproof composite biomass board prepared by organically combining the wastes with good impact resistance and nail holding power, such as crop straw fibers or wood fibers, fiberglass with excellent tensile property and inorganic adhesives with unique fireproofness and waterproofness can be widely applied to the household products such as furniture, indoor and outdoor decoration of buildings, advertisement designing, building templates and other special-purpose boards.

The invention provides a multifunctional size for andalusite fibers, which uses an organic compound containing flexible chains in molecules as a main body and compounds a plurality of auxiliary agents. The size comprises the following components in percentage by weight: 0.5-1.5 percent of film forming agent, 1-10 percent of softening agent (penetrating agent), 0.05-0.3 percent of antistatic agent(antiseptic), 0.01-0.2 percent of dispersant, 0.01-0.07 percent of coupling agent, 0.05-0.1 percent of catalyst and the balance of tap water. The size has good convergence, lubricating property, filmforming property, antistatic property and antiseptic characteristic. Not only fibers processed through the size have flexible, anti-bending and anti-stretching characteristics, but also the fibers sprayed with the size have good dispersive property in water and can be used for the surface soakage treatment of multiple silicate fibers.

The invention belongs to the field of ceramic materials, and in particular relates to a formulation of a microcrystal wear-resisting alumina ceramic. The formulation of the microcrystal wear-resisting alumina ceramic consists of the following components: Al2O3 powder, kaolin, burnt talc, barium carbonate, magnesium oxide, dolomite, blank enhancing powder and complex additive, wherein the complex additive consist of polyvinyl alcohol, sodium tripolyphosphate and liquefacients, and the liquefacients are agents of code 9300 and code 5040 produced by Germany Schwarz Corporation. The formulation has the following advantages: the formulation is added with a proper amount of the complex additive which is advantageous for reducing the grain size of the Al2O3; simultaneously, with the addition of the complex additive, the formulation is advantageous for improving the bending strength and the hardness of the Al2O3 complex phase ceramic; and when the added amount of the complex additive is 10 percent, the bending strength of the Al2O3 microcrystal wear-resisting ceramic is more than 400 Pa, and the hardness Hv of the Al2O3 microcrystal wear-resisting ceramic is also up to 1,456 MPa.

The invention belongs to the technical field of environmental protection, and relates to an integrated purification technology of flue (waste) gas, in particular to a conversion device of desulfurized and denitrified side products of active-coke flue gas, a desulfurizing and denitrifying system and a method. The conversion device comprises an absorbing tower, an alkali preparation unit, an intermediate-product storage tank, a neutralizing kettle, an evaporator, a concentrated-material tank, a centrifugal unit and a drying device, wherein the absorbing tower is provided with a gas inlet end which is connected with a output end of sulfur-dioxide gas released in the desulfurizing and denitrifying system of the active-coke flue gas; and the alkali preparation unit, the absorbing tower, the intermediate-product storage tank, the neutralizing kettle, the evaporator, the concentrated-material tank, the centrifugal unit and the drying device are connected in sequence. The conversion device, the desulfurizing and denitrifying system and the method have the advantages that the production additional value of the desulfurizing and denitrifying system of the active-coke flue gas can be increased, and the economic benefit can be improved, so that the economic and environment-friendly effects are achieved; the process is simple, the layout is compact, the energy consumption is low, and no waste water, solid waste and secondary pollution are caused, so that the resource recycling is realized.

The invention provides an A60-level lightweight refractory deck composition, comprising at least one component A and component B, wherein the mass ratio of the component A to the component B is (1 to 6) to (1 to 8); the component A is neoprene latex; the component B is prepared from ordinary silicon 42.5 cement, large ceramsite, small ceramsite, large vermiculite and small vermiculite; the grain size of the large ceramsite is 2-5mm; the grain size of the small ceramsite is 0.5-2mm; the grain size of the large vermiculite is 2-4mm; the grain size of the small vermiculite is 0.2-2mm; and the component B contains the ingredients by weight ratio of 50-55% of ordinary silicon 42.5 cement, 20-25% of large ceramsite, 5-10% of small ceramsite, 14-20% of large vermiculite and 5-10% of small vermiculite. The A60-level lightweight refractory deck composition has good lightness, compressive property, fracture resistance and shock resistance, and can effectively prevent sound transmission and heat conduction; and the fire resistance can achieve A-60 level.

The invention relates to thermally conductive insulated film material and a fabrication method thereof. The material contains 8-20wt% of cubic boron nitride, 5-15wt% of nano zirconia, 2-10wt% of nano-molybdenum disulfide, and 60-85wt% of rubber material; wherein the rubber material is rubber material capable of withstanding rolling and biaxial tension, particularly polyisobutylene. The fabrication method is that: putting above materials based on mixture ratio into a reactor or a double screw extruder; mixing for 1-5h under 150-170 DEG C; molding through rolling at temperature of 100-250 DEG C and pressure of 100-300MPa; molding through stretching: firstly, fusing and extruding the sheet material or the thick film, then conducting biaxial stretching to the sheet material or the thick film; the film will be finished after certain cooling or heating treatment. The film is 0.01-3mm thick, with thermal conductivity of 5-20W/mK and volume resistivity of 0.1*10<5>m-1.7*10<5>m.

The invention relates to a plug-in type low-carbon heat preservation energy-saving board, which is characterized in that the board is an integral board formed by sequentially connecting a decorative finishing layer, a finishing layer, a middle layer glass fiber mesh, a low-carbon board, a stainless steel welded mesh, a bottom layer glass fiber mesh, a soundness glue layer and an SPS extrusion molding heat preservation board. The invention has the advantages that the board not only is an excellent substitute for coatings, ceramic tiles, stones, timbers and metal boards, but also has a heat preservation function which simultaneously simplifies the complicated construction steps specified in three-step energy-saving requirements of national regulation, and ensures that the heat preservation and energy saving as well as decorative effects are achieved synchronously; and the installation process is simple and fast, special matched adjustable dry hanging connecting pieces are provided, and a hollow plug-in pipe is embedded in a plane material decorative layer in advance, which enables the installation process to be firm and reliable.

The invention discloses a self-insulating composite wallboard which comprises an outer board and an inner board.In the outer board, two layers of outer grid cloth clamp a middle board in the middle and are sewn and connected together through inorganic alkali-resisting sewing threads and arranged in cement-based mortar.In the inner board, inner grid cloth is arranged on the inner side of steel wire meshes, and the steel wire meshes and the inner grid cloth are evenly arranged in the cement-based mortar.One side of the outer board is fixedly connected with the outer side of the inner board together.The invention further discloses a production method of the self-insulating composite wallboard.The outer board is firstly produced, then the inner board is manufactured, the outer board is arranged on the inner board when inner board mortar is not dried, and the composite wallboard is obtained after drying.The self-insulating composite wallboard adopts the structure that the inner board and the outer board are compounded and meanwhile has the advantages of self insulation, heat insulation, water proofing, fire proofing, cracking prevention, seismic resistance, fracture resistance, light weight, convenient installation, any cutting, strong nail-holding power and convenient slotting and pipe laying.

The invention relates to a super-smooth plastic colored pencil which comprises a penholder, a skin and a refill, wherein the refill is produced from the following materials in parts by weight: 20-30 parts of polystyrene, 10-20 parts of SBS, 30-50 parts of talcum powder, 10-20 parts of pigment, 1-5 parts of pigment dispersant, 1-5 parts of lubricating assistant, 1-5 parts of seaweed extract, 2-5 parts of modified carbon fiber and 3-6 parts of modified polycarbonate. According to the invention, high polymer material is adopted, and the pencil produced according to a scientific and reliable formula has the physical and mechanical performances and cutting characteristic of wood pencils, can resist falling and fracture, is smooth in writing and moderate in concentration and abrasion, and can be subjected to various contour machining on common machining equipment.

The present invention relates to one kind one polypropylene-base plastic composition and its preparation process. The composition contains alumina 50-80 wt% and fireproof polypropylene composition 20-50 wt%. The fireproof polypropylene composition consists of pentaerythritol phosphate and melamine polyphosphate in the ratio of 1 to 2-4 in 28-40 wt%, propylene monopolymer in 0-30 wt% and propylene copolymer in 30-72 wt%. The insulating sheet made of the composition has excellent breaking performance, fireproof performance, heat conductance and electric insulating performance, is environment friendly and may be used in electric equipment and electronic equipment products.

The invention discloses a wall of a light steel structural house. The wall is divided into an inner wall and an outer wall, wherein the inner wall is composed of gypsum boards, wall surface OSBs and alight steel keel, with the light steel keel as a bearing framework, the two sides of the light steel keel are each provided with one wall surface OSB, and the gypsum boards are located on the outermost layers; the outer wall is composed of a gypsum board, one wall surface OSB, a light steel keel, the other wall surface OSB, an insulating layer, a ventilation layer and an outer wall hanging platefrom inside to outside. The middle of each light steel keel is filled with a heat preserving and insulating material, a wood keel is arranged in the middle of the ventilation layer, breathing paper isattached to the surface, close to the insulating layer, of the ventilation layer, and all layers of the inner wall and the outer wall are connected together by cold-rolled steel nails from the two sides in a fastened mode. The wall is low in weight and good in wind and quake resistance, has good features of heat preserving and insulating, sound insulating, fire resistance, moisture prevention, corrosion prevention and the like, and can be widely applied to office buildings, villas, storehouses, stadiums, entertainment venues and tourism buildings.

The invention discloses a preparation method of a low-resistance low-additive conductive thin film. A reaction is conducted after stirring and dissolving are carried out on an ethylene glycol solution of AgNO3, PVP and FeCl3. A nanometer silver wire is obtained after cooling, acetone washing, deionized water washing and centrifuging are carried out. Even mixing is carried out on the nanometer silver wire, cellulose nanocrystalline, dimethylacrylic acid polyol/polyether and butyl acrylate. Dehydration and the deoxygenization are carried out by injecting nitrogen, and the mixture is sealed in a mould. The low-resistance low-additive conductive thin film is obtained after catalytic curing is conducted through azodiisobutyronitrile. According to the preparation method of the conductive thin film, a compound of the cellulose nanocrystalline, the dimethylacrylic acid polyol/polyether and a butyl acrylate copolymer is used as a base material, the base material has the percolation network of hydrogen bonds and the entropy elasticity of highly cross-linked high molecules, and therefore the thin film has the breaking resistance and the high elasticity. The prepared conductive thin film has the advantages that the additive amount of conductive materials is low, the electric conducting capability is good, and the volume resistivity is low.

The present invention discloses an anti-seismic vegetable fiber cement composite strip plate which is prepared from the following raw materials by weight: 30-35 parts of vegetable fiber, 20-25 parts of Portland cement, 40-46 parts of fly ash, 10-20 parts of silica fume, 10-13 parts of diatomite, 7-9 parts of nano calcium carbonate, 3-5 parts of algae carbon fiber, 0.2-0.4 part of potassium bisulfate, 0.3-0.5 part of aluminum nitride, 14-18 parts of water-soluble phenolic resin, 6-10 parts of glycol dimethacrylate, 4-6 parts of methylsilicone oil, 0.1-0.2 part of polyvinylpyrrolidone, and proper amount of water; the obtained anti-seismic vegetable fiber cement composite strip plate has the advantages of anti-seismic, acoustic absorption thermal insulation, compressive strength, fracture resistance, strong density, good permeability and the like, and is suitable for large-scale construction of the anti-seismic energy-saving houses.

The invention belongs to the technical field of new materials and in particular relates to polymer composite lightweight rubber and a preparation method thereof. The rubber comprises the following components in parts by weight: 50-100 parts of SBR (styrene butadiene rubber), 10-50 parts of SEBS (styrene-ethylene/butylene-styrene elastomer), 5-30 parts of crystalline 1,2-polybutadiene resin B, 5-30 parts of vinyl acetate, 5-20 parts of white mineral oil, 5-30 parts of cis-polybutadiene and 20-50 parts of elastomer. The rubber and the preparation method have the beneficial effects that the rubber has excellent properties as traditional vulcanized rubber, such as high elasticity, aging resistance, high wear resistance and oil resistance, also has the independent characteristics of high property, light specific gravity, flex resistance, high pressure resistance and no vulcanization and can be produced by adopting the processing methods, such as injection molding, extrusion and blow molding; wastes (extruded waste rubber and raw edges) generated in the production process and finally emerging wastes can be directly returned and recycled, thus reducing the cost and environmental pollution and expanding the resource regeneration sources.

The invention provides a well lid support, an inner well lid of an inspection well, and a well lid component including the well lid support and the inner well lid of the inspection well. The well lid component of the inspection well further comprises an outer well lid, wherein the inner well lid is detachably mounted on a lug boss of a well lid support main body through matching between gaps on the outer edge of the inner well lid and clamping strips on the well lid support main body; the outer well lid is mounted in the upper opening of the well lid support and can move out of the upper opening; the inner well lid is positioned below the outer well lid. The well lid support provided by the invention can be equipped with the inner well lid, which can prevent a passerby from falling into a well once the outer well lid is cracked, displaced or stolen; and as the inner well lid is stopped by the clamping strips on the well lid support main body, the inner well lid can be prevented from floating and moving away due to excessive pressure of water accumulated in the well.