68results about How to "Achieve heat resistance" patented technology

The invention relates to an electrothermal organic power resistance slurry for a heater. The main formula of the slurry comprises the following components by weight percent: 28%-60% of resin I, 5%-13% of flame-retardant heat-resistant polymer containing boron element, 3%-6% of latent curing agent, 1%-2% of latent curing accelerator, 0-30% of resin II, 10%-15% of nano-carbon series conductive filler, 4%-5% of temperature coefficient adjustment additive, 0-5% of ultra-fine base metal alloy powder conductive filler, 0-3% of silicon series far infrared radiating material and 0-4% of ultra-fine mica powder, in addition to the main formula, the slurry further contains a small amount of function auxiliary phase. The slurry can solve the problems that the ordinary slurry is difficult to realize thinness, light weight or special shape; furthermore, the slurry has the properties of low temperature curing and high temperature use and can be directly used for printing or spraying and meet the technical development requirements of an electric heater on the trends of miniature, thinness, light weight and (shape and purpose) special shape.

The present invention relates to a heat-resistant adhesive sheet (tape). More particularly, the invention relates to a heat-resistant adhesive sheet of high reliability and workability, in which crosslink reaction can be induced through irradiation of energy rays on an adhesive layer to achieve heat resistance at high temperature and also high dimension stability in parts, to achieve release without leaving any adhesive residues on an attached surface in releasing the layer and also to achieve no oxidation on the attached surface, e.g., a metallic surface at a high temperature. To this end, the heat-resistant adhesive sheet (tape) according to the invention is characterized by comprising a heat-resistant substrate, and an adhesive layer formed on at least one side of the heat-resistant substrate and made with a coating of liquid comprising energy ray curable olygomer resin, thermosetting adhesive resin, energy ray initiator and thermosetting agent, the adhesive layer being cured and heat resistant by irradiating energy rays to induce crosslink reaction.

The invention discloses a halogen-free flame retardant high-tear-resistance wire and cable compound for electric vehicles. The wire and cable compound comprises the following components in parts by weight: 100 parts of styrene-ethylene / butadiene-styrene block copolymer (SEBS), 20-60 parts of polypropylene, 5-20 parts of alkene polymer, 0.3-3 parts of antioxidant, 40-90 parts of halogen-free flame retardant, 20-60 parts of charring agent, 0.5-3 parts of processing aids and 15-80 parts of softening and plasticizing agent. The invention also discloses a production method for preparing wires and cables with the wire and cable compound. Through radiation micro-crosslinking, the wire and cable products prepared with the cable compound have excellent tear resistance, higher physical and mechanical properties and good electric insulation property, achieve excellent flame retardance under the premise of satisfying environmental protection, also have the advantage of high production efficiency and can be widely applied to the field of new energy, such as cables used for electric vehicles.

The invention relates to a high heat-resistance ABS ( acrylonitrile-butadiene-styrene copolymer) resin composition suitable for blow molding and a preparation method thereof. The composition consists of 100 parts of a styrene resin composition A and 20-40 parts of a heat resistance agent B by weight, wherein the heat resistance agent B is an N-phenyl maleimide-alpha-methyl styrene-acrylonitrile-styrene quadripolymer. The preparation method of the ABS resin composition comprises the steps of weighing various components in parts by weight; and completely mixing the various components in a high-speed mixer to obtain a mixture; feeding the mixture from a main feeder of a double-screw extruder, melt-extruding, cooling, drying and slicing to obtain the ABS resin composition. The blow-molded product prepared by the invention is excellent in surface quality and heat resistance performance, and Vicat softening temperature is above 110 DEG C, so as to meet heat resistance requirement of processing craft of painted automobile parts as well as relatively harsh use environments; the blow-molded product is excellent in impact resistance.

The invention belongs to a pesticide glyphosate synergist and a preparation method thereof, and particularly relates to a herbicide glyphosate isopropamide salt water agent environment-friendly synergist and a preparation method thereof. The synergist disclosed by the invention comprises the following components in percentage by weight: 20-40% of alkyl glycoside, 40-20% of cationic alkyl glycoside, 12-18% of alkyl glycine betaine, 0.5-1.5% of organic silicon, 2.0-5.0% of ammonium sulfate and the balance of water. The preparation method comprises the steps of uniformly stirring the components in equipment with a stirring function at the temperature of 20-80 DEG C. The glyphosate isopropamide salt water agent environment-friendly synergist is high in quality, efficient and environment-friendly.

The invention relates to an electrothermal organic electrode slurry for a heater. The slurry comprises the following main components in percentage by weight: 5-30% of epoxy modified high polymer, 2-6% of flame-retardant temperature-resistant high polymer, 3-6% of latent curing agent, 1-2% of latent curing promoter, 5-10% of silicon modified high polymer, 50-70% of superfine metal powder conductive filler, 1-3% of antioxidant assistant, 0-5% of base metal alloy powder conductive filler and a small amount of functional auxiliary phase. The invention solves the problem that the ordinary slurry is difficult to realize thin type, light type or special type, has the characteristics of low-temperature curing and high-temperature use, ensures direct printing or spraying and satisfies the technical development requirements of small type, thin type, light type (shape and application) and special type of the electric heater.

The invention discloses a heat-resistant super-ductility polyethylene terephthalate (PET) compound and a preparation method thereof. The heat-resistant super-ductility PET compound is prepared from the following components in percentage by weight: 20-90% of PET, 0-2% of heat stabilizer, 0-2% of lubricant and 10-76% of composite toughener. By adopting the A+B+C type composite toughener and utilizing the synergic toughening action, the invention achieves the effects of heat resistance and super ductility, solves the problem that the ductility and toughness are greatly lowered after the PET material is subjected to heat treatment, and implements high notch impact strength and super ductility. The tensile property curve of the material does not have any yield point; and after the material is annealed at 150 DEG C for 120 hours, the toughness and ductility are not influenced, and the tensile property curve also does not have any yield point. The heat-resistant super-ductility polyethylene terephthalate compound can be widely used for manufacturing automobile interior and exterior ornaments, and can protect people in the automobile in an emergency.

An exhaust device (1) for an internal combustion engine includes an injection nozzle (7) for injecting a liquid reductant into exhaust gas streaming through the exhaust device (1). A mixer (10) is arranged in the exhaust-gas stream for swirling and dispersing the liquid reductant in the exhaust-gas stream. The mixer (10) is provided with a heat-resistant, wear-resistant and corrosion-resistant non-stick coating (18) which is made of a glass or ceramic material (19) to promote rolling off of the reductant. A SCR catalyst (4) is arranged downstream of the mixer (10) for selective catalytic reduction of nitrogen oxides with the aid of the reductant or decomposition products of the reductant.

The invention discloses a resin matrix applicable to microwave curing and a preparation method of the resin matrix, and belongs to the field of preparation of composite materials. Polar mulfunctional high-performance epoxy resin is used as main body resin; an active diluent is added to adjust the viscosity of a resin system so as to enable the resin to adapt to liquid forming processes such as winding; a novel compound curing agent is selected to adjust the curing activity of the resin matrix, and nanofiller is added to improve the microwave responsiveness of the resin matrix and realize the mechanical property, the heat resistance and the size stability of the resin matrix; by the adjustment of the structures and the proportions of components such as the main body resin, the curing agent, the diluent and the nanofiller, the resin system which is proper in microwave responsiveness and curing activity, excellent in comprehensive mechanical property, high in heat resistance, high in size stability and low in viscosity and is applicable to microwave curing is developed, has a great guidance significance for preparation of a fiber composite material, and can be widely applied to the field of aerospaces and the like.

The invention relates to low-smoke halogen-free irradiated polyethylene with high strength and high fire resistance and a preparation method thereof. The low-smoke halogen-free irradiated polyethylene comprises an ethylene copolymer and an ethylene-vinyl acetate copolymer. The low-smoke halogen-free irradiated polyethylene is characterized in that the polyethylene comprises a flame retardant, an interfacial compatibilizer and an antioxidant, and a mass ratio of the ethylene-vinyl acetate copolymer, ethylene copolymer, flame retardant, interfacial compatibilizer to antioxidant is 100: 50: (100-250): (10-50): (0.5-2.5). Through an irradiation method, the combination of low smoke, no halogen, flame retardance, heat resistance, high strength and high oxygen index of the polyethylene cable material is realized. The polyethylene as a cable material can be widely used in fields of electronics, building materials and automobiles.

The invention provides a coloring composition, a coloring cured film, a colored filter, a display element and a solid camera shooting element. The coloring composition comprises a colorant, a binder resin, and a polymerizable compound; the colorant comprises at least one from a dye and a dye polymer, the dye polymer comprises a dye monomer with a dye residue and an ethylenically unsaturated group, and the dye monomer is used as a constitutional unit; the binder resin comprises a copolymer which comprises an ethylenically unsaturated monomer represented by the following formula and has a copolymerization rotio which is above 11 mol% (wherein, the dye polymer is not contained. In the formula, R1 represents a hydrogen atom or a methyl group, R2 represents a alkane with dual substituent groups whose carbon atoms are 2-4, R3 represents a substituted or unsubstituted phenyl group, a substituted or unsubstituted polycyclic aromatic hydrocarbon group, or a substituted or unsubstituted nitrogen-containing alicyclic heterocyclic group. n represents integer from 1 to 100, wherein when n is 2 or above, a plurality of R2 may be the same or different.

The invention relates to high flame resistance and high heat resistant synthetic rubber, of which the formula comprises raw butadiene styrene rubber, fumed silica, aluminium hydroxide, 2,4'-dihydroxy diphenyl sulfone, BPA(bisphenol A), epichlorohydrin and 2,5-dimethyl-2,5-di(tert-butylperoxide) hexane. The preparation method of the high flame resistance and high heat resistant synthetic rubber comprises the following steps: placing the raw butadiene styrene rubber, fumed silica and 2,4'-dihydroxy diphenyl sulfone in a mixing mill to be mixed for 0.3-0.8 hour; adding aluminium hydroxide, BPA and epichlorohydrin to continuously mix for 1-2 hours; adding 2,5-dimethyl-2,5-di(tert-butylperoxide) hexane, and increasing the temperature to be 190-215 DEG C to vulcanize; and vulcanizing for 2-3 hours to obtain the finished product, namely high flame resistance and high heat resistant synthetic rubber. The defect of common butadiene styrene rubber is overcome at the early stage, the tire manufacturing cost at a later stage is reduced, and the high flame resistance and high heat resistant are achieved.

The invention relates to a polylactic-acid ceramic-imitating material and a preparation method thereof and belongs to the field of macromolecular materials. The polylactic-acid ceramic-imitating material is prepared from the following raw materials in parts by weight: 60-90 parts of polylactic-acid resin, 1-10 parts of plasticizer, 0.3-1 part of organic nucleating agent, 10-20 parts of inorganic nucleating agent and 0.2-10 parts of crystallization accelerant. The polylactic-acid ceramic-imitating material is extensively applied to all types of polylactic acids, particularly heat-resistant polylactic acid with the thermal deformation temperature of 105 DEG C or above, products made from polylactic-acid materials can enter the field of daily application and replace a majority of the traditional petroleum-based plastic products. The toughness and heat resistance of polylactic acid can be improved greatly; the surface gloss of the products is improved.

Provided is a method of manufacturing electrostaic image development toner which has a good combination of low temperature fixability, cold offset resistance, hot offset resistance and anti-filming. A method of manufacturing a toner including adding an oil phase comprising an organic solvent in which a binder resin, a coloring agent and a releasing agent are dissolved or dispersed and an aqueous phase to an emulsification device equipped with a stirrer, continuously dispersing or emulsifying the oil phase and the aqueous phase in the emulsification device equipped with a stirrer to form a liquid dispersion or emulsion comprising oil phase particles, transporting the liquid dispersion or emulsion to a tank, removing the organic solvent from the liquid dispersion or emulsion followed by drying to form mother toner particles, wherein the releasing agent has been preliminarily prepared to have a dispersion diameter of from 0.15 to 0.7 [mu]m before the releasing agent is contained in the oil phase, a circumferential speed of the stirrer is from 15 to 25 m / s, and a volume particle diameter (DV') of the oil phase particles at an exit of the emulsification device to the tank and a volume average particle diameter (Dv) of the oil phase particles in the tank satisfy the following relationships: 3.0<=DV<=6.0, 4.0<=Dv'<=7.5; 1.0<=(Dv-Dv')<=3.0.

The invention discloses a preparation method of high performance composite sheet material, and the composite sheet material is prepared by preparation of melamine dipping veneer and tight adhesion of wood-based plate and original board. Original veneers or technical veneer materials are impregnated in to a reaction tank containing melamine resin and benzaldehyde, and are dried after completing impregnation, and cut into needed dimensions; the impregnated original veneers or technical veneer are stacked with brown papers or common veneers together, and the materials are pressed together at a high temperature, and then the melamine dipping veneer composite board is formed. The high performance composite sheet material dipping surface layer is polished or directly coated with a toning paint and a waterproof wear resistant surface paint, and the surface treatment improves appearance effect and performance. The toning paint treatment may not be applied, and common surface paints may be coated for realization of surface treatment or the surface paint is not coated. The invention also discloses a high performance composite board with water resistance, heat resistance, arc resistance and excellent flame resistance.

The present invention relates to a hollow fiber membrane module which is provided with a cylindrical case, a hollow fiber membrane bundle composed of multiple hollow fiber membranes enclosed in the cylindrical case and one or more binding parts for binding the multiple hollow fiber membranes, wherein each of the binding parts contains an adhesive agent, the adhesive agent has a glass transition temperature of 80 DEG C or higher and lower than 160 DEG C; and the Mc value represented by a specific formula of the adhesive agent, the weight W of the individual binding parts each of which can bindthe hollow fiber membranes in a state such that the hollow parts of the hollow fiber membranes are opened and the Vicat softening temperature VST of the hollow fiber membranes satisfy a specific formula.

The invention provides a method and a device for producing a heatproof decoration film, and belongs to the technical field of decoration films. The heatproof decoration film comprises a PVC film layer, a base cloth layer and a heatproof layer. The production method of the heatproof decoration film comprises the following steps: 1, preparing a premix; 2, preparing a PVC film layer slurry; 3, preparing PVC film layer granules; 4, producing the PVC film layer; 5, laminating the PVC film layer to one side surface of the base cloth layer through one bonding layer, and carrying out heating and pressurizing lamination; 6, laminating the produced heatproof layer to the other side surface of the base cloth layer through one bonding layer, and carrying out heating and pressurizing lamination; and 7,rolling the heatproof decoration film. The method and he device can simply realize the processing of the heatproof decoration film.

The invention provides a method of manufacturing a silicon carbide-containing heat storage material, including the steps of: providing a silicon sludge produced from a silicon wafer cutting process; heat-treating the silicon sludge in a non-oxidative atmosphere to remove a part of oil; mixing the silicon sludge with a binder to prepare a slurry; extruding the slurry to form a honeycombed compact; and reaction-sintering the honeycombed compact at a temperature of 1300-1900 DEG C in a non-oxidative atmosphere. The method is advantageous in that a silicon carbide-containing heat storage material having high thermal conductivity, heat accumulation characteristics and chemical resistance can be manufactured at a low cost.

The invention provides a heat-resistant decorative film and a preparation method thereof, and belongs to the technical field of decorative film. The heat-resistant decorative film includes a PVC filmlayer, a base cloth layer and a heat-resistant layer; the base cloth layer is a warp knitted fabric; the PVC film layer includes the following components in parts by weight: PVC resin, polypropylene fibers, diphenyl isooctyl phosphite, a stabilizer, a light shading powder, a flame retardant filling material, polypropylene fibers, and glass fibers; the heat-resistant layer includes the following components in parts by weight: waterborne silicone acrylic resin, amino resin, sodium bicarbonate, polyethylene wax, nano titanium dioxide, a waterborne polyisocyanate curing agent, magnesium stearate,polyoxypropylene glycerol ether, carboxymethyl cellulose, ammonium polyphosphate, and ceramic fibers. The prepared decorative film has good heat resistance.

The invention discloses an easy-to-lay anti-freezing heat-resistant cable for municipal construction and a matched cable bracket. The cable comprises a cable body, a transmission line, a temperature detection probe, a cable core, a filling layer, a protection ring, a cable support and a laying pit. The outer side of the cable body is provided with a pressure-resistant plate. Wiring grooves are formed in the upper and lower ends of the cable body; a transmission line is fixed in the wiring grooves, temperature detection probes are connected to the exterior of the transmission line at equal intervals, a cable core is arranged in the cable body, a communicating pipe is arranged in the outer side of the cable core, filling layers are arranged in the outer side of the communicating pipe and theouter side of the cable core, and a guide plate is welded to the outer side of a protection ring. According to the easy-to-lay anti-freezing heat-resistant cable for municipal construction and the matched cable bracket, an existing cable structure is improved, so that rapid cooling and anti-freezing protection can be carried out on the cable, and meanwhile, the cable with a special structure canbe directly fixed.

The invention discloses a disinfection and sterilization steam device for the early period of fruit can processing. The device comprises a steam disinfection box, clamping bases are arranged at the two sides of the lower portion of the interior of the steam disinfection box respectively, and tanks are arranged on the upper portions of the clamping bases; a box cover is arranged at one end of the steam disinfection box, a square sleeve is arranged in the center of the box cover, and a square push rod slidingly sleeves the box cover through the square sleeve; a main steam conveying pipe penetrates through the square push rod through a penetration groove, branch steam conveying pipes are arranged on the outer wall of one end of the main steam conveying pipe, and a sealing cover is arranged atone end of the square push rod; a sealing pad is arranged on the inner wall of one end of the sealing cover, a first locking groove and a second locking groove are formed in the upper and lower portions of one end of the square push rod respectively, and a locking block is arranged at one end of the box cover. According to the disinfection and sterilization steam device, the quality of steam disinfection and sterilization for the inner walls of the tanks is improved, the heat dissipation and heat resistance performance of the clamping bases is improved, and the efficiency of detaching the clamping bases is improved.

The invention discloses PVC overlaid plywood and a manufacturing method thereof and belongs to the technical field of plywood. The PVC overlaid plywood comprises a medium-high density fiber board, a PVC membrane and UV paint, wherein the PVC membrane is arranged on the surface of the medium-high density fiber board; and the UV paint is arranged on the surface of the PVC membrane. The UV paint is sprayed to the PVC membrane and is subjected to UV curing to form a layer of film which is high in hardness, good in abrasion resistance and high in transparency, and the effects of scraping resistance, scraping prevention, heat resistance and durability are achieved. Meanwhile, the curved UV paint is stable in color and luster, the mirror flat effect is better, the paint film is full and free of orange peel phenomenon, and the color and luster uniformity of the surface of the film is effectively increased. The surface of the plywood is wrapped with the PVC membrane easily, conveniently and rapidly, the UV paint coating efficiency is high, the coating cost is low, and coating is environmentally friendly. The problems that wrapping of the plywood wastes time and labor, the poor phenomena like bubbles and delaminating are easily generated, the features of high hardness, scraping prevention, scraping resistance and heat resistance are not achieved, and durability in transportation and useis poor are effectively solved.

The invention discloses a porcelain composition and a manufacture process thereof. The porcelain composition comprises urethane acrylate, chlorine-vinegar resin, Longyan clay, bovine bone carbon, Mingling clay, talc, sepiolite, powder of Enzhou rare stone, calcined kaolin, nano titanium dioxide, aluminum borate, aluminum metaphosphate, tungsten oxide, zirconium oxide, lead carbonate, hydroxyethylcellulose, mica, quartz sand, clay, feldspar, calcite, Jiaobao stone, rock wool, Hui Qing (pigment), polycarbonate, polylactic acid, silane coupling agent KH-560, attapulgite, polyvinylpyrrolidone andchitosan. The porcelain composition is produced by preparing a base material, preparing a modified material, mixing the main material with the modified material, fettling, drying, biscuiting at low temperature, grinding, glazing, adding Hui Qing, heating and sintering. The porcelain composition has excellent heat resistance and antibacterial property.

A latent electrostatic image developing toner of the present invention is mainly composed of two or more binder resins, a colorant, a releasing agent and a layered compound. A first binder resin of the binder resins is a polyester resin with an acid value of 15 KOHmg / g or less. The layered compound is a compound in which at least some interlayer ions are modified by organic ions. Toner particles are prepared by granulation in an aqueous medium, and the layered compounds are localized in the surface of the particles by the pelletization in the granulation. The average circularity of the particles is 0.970 or more.

The invention discloses a fabric. The fabric comprises a base layer and a resin layer arranged on the base layer and carrying a dyestuff from inside to outside, wherein resin in the resin layer is thermosetting resin. The fabric disclosed by the invention has the following advantages and effects that firstly, a hot stamped film is coated with one layer of the resin; after the hot stamped film is combined with the base layer of the fabric, heat treatment is carried out and the hot stamped film is separated from the base layer of the fabric, so that the dyestuff on the hot stamped film is transferred into the resin layer on the base layer of the fabric to form a pattern; and the effects of heat resistance of the fabric, high glossiness, wearing resistance and reduction of production cost are realized.

The invention discloses a method for repairing a frame type composite material forming die through a supersonic thermal spraying process, and belongs to the technical field of aviation. The method comprises the following steps that the surface of a workpiece is pretreated; the pretreated workpiece is preheated at the temperature of 60-120 DEG C for 1-2min; the surface of the workpiece is sprayed;surface repair is carried out by using a nickel-base alloy spraying material, wherein when the spraying material is heated to a molten or semi-molten state, the spraying material is accelerated to beup to the speed of 1000-1400m / s to be sprayed to the working surface; laser detection is carried out; the sprayed profile is detected by using a laser tracker, detection data is compared with theoretical data to determine whether the workpiece is qualified, and workpiece coating polishing treatment in the next step is carried out on the qualified workpiece; the workpiece coating is polished; the profile is machined through a numerical control machine tool, the coating surface is polished after machining, and it is ensured that the polished profile finish degree Ra is 1.6-0.8. The frame type composite material forming die can meet the die precision requirements, using requirements and the like after being repaired by the method.

The invention discloses a super-hydrophobic heat-resistant coating for an aluminum alloy and a preparation method of the super-hydrophobic heat-resistant coating, and relates to the technical field of coatings. The heat-resistant coating is formed on the surface of the aluminum alloy through the spraying pretreatment process and the second-time spraying treatment in sequence, the heat-resistant coating and the aluminum alloy form a firm cross-linked interpenetrating network structure, the heat resistance of the coating is improved, and the phenomenon that the service life of the aluminum alloy is shortened in a high-temperature environment is reduced; and then third spraying treatment is conducted, a corrosion inhibitor serves as an inner core solution, stearic acid serves as a shell solution, a super-hydrophobic coating is formed through coaxial electrostatic spraying, the corrosion inhibitor is prepared from isoquinocarboxylic acid, dipropylene triamine and p-methoxyphenyl thiourea, the surface of the aluminum alloy is isolated from an environment medium, and corrosion of an acid medium and chloride ions is inhibited. The prepared super-hydrophobic heat-resistant coating for the aluminum alloy has the heat-resistant, super-hydrophobic and corrosion-resistant effects.

The invention relates to a thickened type glyphosate and glufosinate compound aqueous auxiliary agent and a preparation technology thereof. The thickened type glyphosate and glufosinate compound aqueous auxiliary agent is prepared from erucic acid KO, cocamidopropyl betaine, tallow amine ethoxylated, indole-3-butyric acid potassium, dodecyl polyglucoside, polyhexamethylene guanidine, polyethyleneglycol and de-ionized water. By adopting the thickened type glyphosate and glufosinate compound aqueous auxiliary agent, a surfactant has a very good weeding effect and also has good insecticidal andsterilization effects; the thickening type glyphosate and glufosinate compound aqueous auxiliary agent has the advantages of environment friendliness, no caking, convenience for utilization; the technology is simple and is suitable for industrial production.

The invention discloses a reinforced nylon plate based on silicon-aluminum-based hollow microspheres and a preparation process of the reinforced nylon plate. The nylon plate is prepared from the following raw materials in parts by weight: 100-120 parts of caprolactam, 3-5 parts of silicon-aluminum-based hollow microspheres, 3-5 parts of thermally stable filler and 1-3 parts of an antistatic agent.The silicon-aluminum-based hollow microspheres and the thermally stable filler are prepared in the preparation process, silicon ions and aluminum ions are grafted to a glass microsphere so that the friction resistance and the impact resistance of the nylon plate are greatly enhanced and the service life of the nylon plate is prolonged, the thermally stable filler can capture macromolecular free radicals in the nylon plates so that the macromolecular free radicals react with the thermally stable filler to terminate the free radicals and prevent the free radicals from continuing to react, so that a heat-resistant effect is achieved, heat-stable molecules cannot be separated from the body in a long-term use process of the nylon plate, the service life of the nylon plate is prolonged, the nylon plate is not easy to separate out, and environmental pollution is effectively avoided.

The invention discloses a high-temperature-resistant ultra-silent explosion-proof sealed capacitor, which comprises a metal shell. Medium-green grey baking varnish is sprayed on the outer surface of the metal shell. Sensors are mounted in the middle and at the bottom of the metal shell; a tantalum cover is fixedly connected to the upper end of the inner wall of the metal shell; an insulating layeris connected to the middle of the lower end of the tantalum cover; tantalum powder agglomerates are arranged on the inner side of the insulating layer; one side of the upper end of the tantalum powder agglomerate is fixedly connected with a positive nickel wire; one side of the lower end of the tantalum powder agglomerate deviating from the positive nickel wire is fixedly connected with a negative copper wire; a silencing layer is arranged on the outer side of the insulating layer; a heat-resisting layer is arranged on the outer side of the silencing layer; an explosion-proof layer is arranged on the outer side of the heat-resisting layer; and high-temperature resin fills gaps between the explosion-proof layer and the inner wall of the metal shell, between the heat-resisting layers, between the heat-resisting layer and the silencing layer and between the silencing layer and the insulating layer. Good silencing, heat-resisting and explosion-proof effects can be achieved, parameters ofthe capacitor during working are monitored in real time, and the use safety of the capacitor is well guaranteed.