454results about How to "With impact resistance" patented technology

The invention relates to the field of automobile material preparation, and especially relates to a heatproof spraying-free high-gloss nylon material and a preparation method thereof. The nylon material is composed of following raw materials in parts by weight: 55.9 to 82.8 parts of semi-aromatic nylon resin, 5 to 20 parts of polycaprolactam and/or poly(nylon 66), 10 to 20 parts of solid glass bead, 1 to 3 parts of brightener, 0.4 to 0.8 part of antioxidant, 0.5 to 1.5 parts of coloring agent, and 0.3 to 0.8 part of lubricant. The provided nylon material is mainly made of semi-aromatic nylon resin; the matrix is in a highly transparent glass state; compared with other automobile spraying-free black decorative materials, such as PMMA, ABS, and the like, and the provided nylon material has abetter dyeing performance and a better temperature tolerant property, is capable of forming a highly bright and black coating, and is resistant to scratching, chemical products, and impact. The provided nylon material does not need any complicated spraying technology, the cost is reduced, and moreover, the nylon material is healthy and environmentally friendly and has an important practical value.

The invention provides a preparation method of high-temperature abrasion proof ceramic wafer, using the fused brown alumina, fused sub-white corundum, silicon carbide, fused mullite with a grain size of 1-3mm as the main material; using the dense brown alumina, fused sub-white corundum, silicon carbide, silicon nitride, boron carbide with grain sizes of 180 mesh, 0.088-1mm, 325 mesh and active a-Al2O3 powder with a grain size <=2Mum and nano micro silica powder with a grain size <=200nm as the adjuvant, using soft clay, spodumene, bentonite, metallic silicon with grain sizes of 180 mesh or 325 mesh as the agglutinant; using the pure calcium aluminate cement or sulphite pulp waste-liquor as the temporary binding agent; using the sodium hexametaphosphate, zirconia as the additive; stirring the above materials in a high-power stirrer for 10-15 minute; adding the clean water or the sulphite pulp waste-liquor into the mixture and continuously stirring the mixture for 5-10 minute; casting molding or pressure molding the mixture; drying the molded mixture at 250-300 DEG C and incubating the dried mixture for 4-8 hour; sintering the mixture at above 1350-1650 DEG C in a high-temperature furnace and incubating the sintered mixture for 4-10 hour.

A display device includes a flexible display panel, a support layer and a buffer layer. A flexible display panel is disposed above the support layer, and the support layer is disposed above the bufferlayer. In the display device, the Young's modulus of the support layer is greater than the Young's modulus of the buffer layer, and the damping coefficient of the buffer layer is greater than or equal to 0.25.

The invention discloses a horizontal axis ocean current energy electric generator variable-pitch device and a horizontal axis ocean current energy electric generator. The variable-pitch device comprises a driving part which is a motor or a hydraulic motor, a screw rod which is fixedly connected with an output shaft of the driving part through a coupler and a push plate which is arranged on the screw rod in a sleeving mode and is in threaded connection with the screw rod. The left end of the screw rod is supported through a pair of centripetal thrust bearings. The right end of the screw rod extends into the left end of a central hole of a spindle flange and a spindle. A first sliding bearing is formed between the screw rod and the left end of the central hole of the spindle flange and the spindle. Electric slip rings or a hydraulic slip ring are/is mounted at the right end of the spindle. One gear rack is fixed to each side surface of the push plate, each gear rack is engaged with a gear wheel, all the gear wheels are fixedly connected with the roots of corresponding blades through variable-pitch flanges, and second sliding bearings are formed between the variable-pitch flanges and the wheel hub wall. An angle transducer is installed at the left end of the driving part. By means of the horizontal axis ocean current energy electric generator variable-pitch device and the horizontal axis ocean current energy electric generator, the variable-pitch angle larger than 180 degrees can be achieved, therefore, double-way electricity generation is achieved, unified pitch variation can be achieved, and operation is stable.

The invention discloses a sea wave and wind power generation device which is characterized by comprising a closed cavity and at least three micro power generation structure bodies. Each micro power generation structure body is composed of an elastic component, piezoelectric material, a permanent magnet and a coil, the micro power generation structure bodies are fixed on the inner wall of the cavity, the axial lines where the three micro power generation structures are positioned are in a three-dimensional orthogonality state, the inner space of the cavity is of a certain size, therefore the device can be supported to float on the water, the piezoelectric material is fixed on the outer surface of the elastic component, each elastic component drives two power generation units simultaneously to output electric energy outward, one power generation unit outputs electric energy by adoption of the direct piezoelectric effect of the piezoelectric material, and the other power generation unit outputs the electric energy by adoption of the electromagnetic induction principle.

The invention discloses a preparation method of a ground floor plastering gypsum, which is improvement of the ground floor plastering gypsum. The ground floor plastering gypsum is prepared mainly by the following ingredients according to weight percentage: 30-50% of desulfurization building gypsum, 50-70% of fine sand, 0.01-0.04% of binder, 0.015-0.05% of water retaining agent and 0.01-0.05% of retarder. The ground floor plastering gypsum is strong in cohesive force, good in water resistance and low in cost, and does not crack, thus being an ideal choice for replacing traditional plastering materials.

The invention discloses a wear-resisting anti-aging power cable sheath material. The wear-resisting anti-aging power cable sheath material is prepared from, by weight, 30-40 parts of nitrile rubber, 20-30 parts of polyvinyl chloride, 20-30 parts of phenolic resin, 10-18 parts of carbon fiber, 10-15 parts of carbon black, 12-18 parts of organic montmorillonite, 10-15 parts of microcrystalline cellulose, 0.5-2 parts of N,N-xylene ursol, 1-2 parts of stearic acid, 10-15 parts of a fire retardant, 3-5 parts of paraffin and 1-1.5 parts of an anti-aging agent. The tensile strength of the cable sheath material is 26.4-31.5 Mpa, the elongation at break is 286%-310%, and the wear-resisting anti-aging power cable sheath material is good in wear resistance and aging resistance and long in service life.

The invention relates to a water-based UV paint, particularly a high-water-resistance quick-photocuring pearlescent water-based UV paint, and a preparation method and application method thereof. The paint is prepared from a water-based polyurethane acrylate resin, a water-based epoxy acrylic resin, a functional monomer, a photoinitiator, a leveling agent, an anti-settling agent, pearl powder and a solvent, wherein the functional monomer comprises at least one of dipentaerythritol hexaacrylate, pentaerythritol triacrylate and trimethylolpropane triacrylate. The number of the functional groups of the dipentaerythritol hexaacrylate, pentaerythritol triacrylate and trimethylolpropane triacrylate is 3 or above. The photocured paint film has the advantages of high crosslinking density, excellent hardness, excellent tensile strength and excellent mechanical properties. The water-based epoxy acrylic resin is introduced on the basis of the water-based polyurethane acrylic resin, thereby enhancing the water resistance of the paint film. By introducing the pearl powder and anti-settling agent, the paint film has gorgeous pearl effects.

The invention discloses an adjustable finishing broach of wheel disc and tenon slot combination surface. The adjustable finishing broach comprises a mounting section, a cutting section and an adjusting section, wherein the cutting section consists of two halves of separate contour line blade elements and fixed on the mounting section through the adjusting section, and the adjusting section is a replaceable element to adjust the position of the contour line of the cutting section. According to the invention, the dimensional deviation of reground cutting edge can be removed; the geometric accuracy of precisely processed contour line is kept; the tool cost is reduced, and the service life of the tool is prolonged; and the adjustable finishing broach is suitable for broaching machining of the wheel disc and the tenon slot of a heavy gas turbine rotor.

The invention discloses a coal gangue separation parallel flexible three-degree-of-freedom robot. The robot is composed of a moving mechanism, a parallel mechanical arm and a paw mechanism, wherein the moving mechanism is transmitted by a lead screw nut pair and is supported by a double guide rod; the parallel mechanical arm is mainly composed of a left driving arm, a left driven arm, a right driving arm, a right driven arm and a moving platform, and the left side and right side are symmetrically distributed; the paw mechanism is fixedly arranged at the lower end of the movable platform, in order to keep horizontal of the movable platform, a toothed belt transmission and an auxiliary rod parallelogram mechanism are adopted, one end of the toothed belt transmission mechanism is fixed, and the other end of the toothed belt transmission mechanism swings along with the driving arms; in order to reduce the impact generated in the sorting process, a spring plate is adopted in the auxiliary rod mechanism to absorb vibration generated in the impact process; and the paw mechanism adopts a finger separable structure and can adapt to separation of coal gangue with different specifications. The mechanism has the advantages of being large in structural rigidity, strong in bearing capacity, small in tail end inertia and capable of providing a flexible buffer function.

The invention relates to a high-temperature-resistant adhesive tape as well as a high-temperature-resistant release film and a high-temperature-resistant adhesive used by the high-temperature-resistant adhesive tape. A raw material formula of the high-temperature-resistant adhesive comprises the following components: 40-80 parts of ethylene glycol dimethacrylate, 20-30 parts of octadecyl acrylate, 5-10 parts of phenyltrimethoxysilane, 5-10 parts of vinyltriisopropenyloxysilane, 2-10 parts of nano-silica, 1-5 parts of aluminium hexafluoroacetylacetonate, 2-6 parts of polyvinyl alcohol, 2-5 parts of an emulsifier, 1-3 parts of an initiator and 200-350 parts of deionized water. A raw material formula of a film spraying material of the high-temperature-resistant release film comprises the following components: 60-80 parts of polyimide, 10-30 parts of 1,3,5-tris(3,3,3-trifluoropropyl)methylcyclotrisiloxane, 5-25 parts of polybutylene terephthalate, 2-10 parts of an ethylene vinyl acetate copolymer, 2-8 parts of vinyl phenyl silicon oil, 1-3 parts of dioctyl sebacate and 1-4 parts of dibutyltin dilaurate. The heat-resistant pressure sensitive adhesive tape prepared by the invention can work at 70-160 DEG C and can resist the high temperature of 600 DEG C or above in a short time.

The invention discloses a color steel sandwich plate. The color steel sandwich plate is characterized by being provided with a first color steel plate body, a first silicon dioxide aerogel layer, a foam glass layer, a second silicon dioxide aerogel layer and a second color steel plate body in sequence from left to right; reinforcing materials are arranged in the first silicon dioxide aerogel layer and the second silicon dioxide aerogel layer in the direction perpendicular to the color steel sandwich plate; an upper positioning clamping plate and a lower positioning clamping plate are arranged on the upper and lower edges of the color steel sandwich plate correspondingly; a flange is arranged on the upper positioning clamping plate; and a groove used for storing the flange is formed in the lower positioning clamping plate.

The invention relates to the field of waterproof roll materials, and particularly relates to a super weather-proof composite waterproof roll material. The super weather-proof composite waterproof roll material comprises a bonding and sealing adhesive layer and an isolating film protection layer, and also comprises a super weather-proof polymeric film layer, wherein the super weather-proof polymeric film layer, the bonding and sealing adhesive layer and the isolating film protection layer are sequentially arranged from top to bottom and are adhered into a whole in a hot pressing way. The hot pressing temperature is 30 to 220 DEG C, includes but is not limited to 30 to 220 DEG C, and can be adjusted according to factors such as specific production equipment and a hot pressing technology. The bonding and sealing adhesive layer is compounded with the a super weather-proof polymeric film structure, so that the structure has high environmental resistance, corrosion resistance, high strength and high toughness, good dimensional stability, and high impact resistance and puncture resistance, does not need to be protected by cement and mortar, and can be constructed in various environments.

The invention discloses an as-cast high-strength ductile iron and a preparation method thereof. The method comprises: 1) preheating steel scrap and foundry returns at the temperature 1050-1150 degrees centigrade; 2) fusing the preheated raw material at the temperature 1500-1550 degrees centigrade to obtain molten iron; 3) adding rare-earth nodularizer and inoculant into the molten iron and stirring to obtain inoculated molten iron; 4) adding stream inoculant into the inoculated molten iron and casting to obtain as-cast high-strength ductile iron, wherein the rare-earth nodularizer contains rare earth element, magnesium, calcium, barium, silicon, iron and impurity elements; the inoculant contains silicon, aluminum, barium, carbon and impurity elements; the stream inoculant contains silicon, aluminum, bismuth, carbon and impurity elements. The ductile iron prepared by the method disclosed by the invention achieves high hardness, high tensile strength and high impact resistance.

The invention discloses a micro-polluted water source deep treatment and purification system and method. The system comprises a regulation pool, an ozone pre-oxidation tower, a magnetic loading and flocculation system and an ozone-biological activated carbon filter system; and the magnetic loading and flocculation system is also connected with a medicament blending and dosing system and a magnetic powder recovery and sludge treatment system. The method comprises the following steps: I, pre-oxidation; II, flocculation reaction; III, magnetization; IV, growing to be mature; V, natural settling; VI, mud-water separation; VII, oxidation and disinfection; VIII, physical adsorption; IX, disinfection; and X, delivery to a user. The micro-polluted water source deep treatment and purification system and method integrate magnetic loading and flocculating sediment, ozone-biological activated carbon filter and a conventional water purification and treatment process to form an efficient deep treatment and purification process system.

The invention relates to an aerobic granular sludge culture method. The aerobic granular sludge culture method comprises the following steps of 1, inoculating a sequencing batch reactor with activated sludge, 2, adjusting a pH value of petrochemical wastewater to be treated by sulfuric acid and pumping the petrochemical wastewater with an adjusted pH value into the reactor, 3, carrying out aeration by an aeration device laid on the bottom of the reactor so that the activated sludge and the petrochemical wastewater are mixed and undergo a full reaction, 4, stopping aeration and carrying standing for sludge-water separation, and 5, discharging a certain amount of water by a water outlet of the reactor and periodically repeating the steps of 2 to 5 in the reactor. The aerobic granular sludge culture method utilizes the petrochemical wastewater to carry out aerobic granular sludge culture. The cultured aerobic granular sludge has salt resistance, impact resistance and high-density organic load resistance, can be directly used for treatment on high-salt, high-COD and strong basic petrochemical wastewater, solves the bottleneck problem of use of aerobic granular sludge in petrochemical wastewater treatment and further widens an aerobic granular sludge technology application scope.

The invention relates to the technical field of cable protection tube materials, and specifically relates to an anti-aging shock resistant material and a preparation method thereof as well as a cableprotection tube prepared from the same. The anti-aging shock resistant material comprises the following raw materials in parts by weight: 70 to 90 parts of cross-linking polyethylene resin, 30 to 60parts of polyvinyl chloride resin, 15 to 18 parts of polyurethane resin, 10 to 12 parts of a shock resistant modifier, 5 to 10 parts of an anti-aging accessory ingredient, 8 to 16 parts of a fire retardant, 5 to 10 parts of a coupling agent and 8 to 12 parts of a compatilizer. The anti-aging shock resistant material disclosed by the invention has excellent aging resistance and shock resistance, the shock resistance is 18.65 to 22.96 KJ/m<2>, the tensile strength is 81.8 to 93.4 MPa, the material is high in insulation resistance, strong in loading capacity, excellent in electric insulation performance and insulation effect, the specific insulation resistance is 1.228*10<14> to 1.376*10<15> omega.m, and the comprehensive mechanical property is excellent.

The invention discloses an impact-resistant and high-energy-absorption lattice sandwich structure with a negative poisson ratio characteristic. The lattice sandwich structure is formed on the basis ofa high-performance negative poisson ratio lattice core material. The negative poisson ratio lattice core material is obtained by changing an included angle between a supporting column and a coordinate axis through a three-dimensional cubic structure. When the included angle between the supporting column and the coordinate axis is not equal to zero, the negative poisson ratio lattice core materialis obtained. The negative poisson ratio lattice material and two thin plates form a novel negative poisson ratio lattice sandwich structure, and the structure has the characteristics of a traditionalauxetic lattice structure and a traditional lattice sandwich structure at the same time, that is, the structure has the characteristics of the negative poisson ratio and the same-direction curvature;meanwhile, has excellent mechanical properties such as ultra-light weight, high specific modulus, high specific strength, impact resistance and high energy absorption. In addition, the sandwich structure has high adjustability, and the mechanical property of the lattice sandwich structure can be adjusted and controlled within a large range by adjusting the deflection angle of the supporting column and the relative density of the lattice material. The lattice sandwich structure has a great application prospect in the field of aerospace.

The invention discloses an environment-friendly ceramic material which comprises the following components in parts by weight: 100-150 parts of kaolin, 20-30 parts of silicon carbide, 30-40 parts of active carbon powder, 10-15 parts of nano zirconium dioxide, 25-50 parts of glass fibers, 20-30 parts of carbon fibers, 80-100 parts of dolomite powder, 5-10 parts of octaphenyl polyoxyethyiene, 5-10 parts of polydimethylsiloxane and 10-15 parts of trimethyl hexanediamine. The environment-friendly ceramic material is subjected to high-temperature sintering and has the characteristics of high hardness, corrosion resistance, good thermal change resistance, thermal shock resistance, impact resistance and the like; an adsorption material capable of adsorbing toxic and harmful substances is added into ceramics, so that when the ceramic material is used, the toxic and harmful substances can be adsorbed to some degree, thus cleaning the environment and improving the living quality of human beings.

The invention discloses a preparation method of a polyaspartic acid ester polyurea composite material. The composite material is prepared by compounding an explosion-proof polyaspartic acid ester polyurea elastomer and a porous energy-absorbing fiber fabric mesh cloth, the polyaspartic acid ester polyurea elastomer is anti-explosive, wear-resistant, impact-resistant and fatigue-resistant, and is an energy-absorbing reinforcing material, the porous fiber fabric mesh cloth is light, energy-absorbing, vibration-reducing and tear-resistant, and is an energy-absorbing reinforcing material, the polyaspartic acid ester polyurea composite material obtained by compounding the explosion-proof polyaspartic acid ester polyurea elastomer and the porous energy-absorbing fiber fabric mesh cloth has properties such as explosion resistance, energy-absorbing properties, vibration-reducing properties and impact resistance, can be used in military facilities and explosion-proof energy-absorbing protective equipment, can resist shock waves and debris generated by explosion, and meets basic requirements of military equipment.