530results about How to "Play a role in heat insulation" patented technology

The invention discloses a universal health-care board which consists of a middle layer and surface layers arranged on the upper and lower surfaces of the middle layer. The surface layers are non-woven layers comprising 5 percent to 50 percent of low melting point fibers. The middle layer is a non-woven layer which comprises the following components: bastose and 5 percent to 50 percent of low melting point fibers. In the universal health-care board, the content of the bastose is within the range of 5 percent to 65 percent. The invention also discloses a preparation method of the universal health-care board, which comprises the following steps of: respectively preparing the middle layer, the upper surface layer and the lower surface layer; then sequentially paving the layers; and preparing the universal health-care board by processes of processing by an oven, cold milling, cooling, cutting, inspecting and packaging. The universal health-care board disclosed by the invention can be used as a mattress. The problem that the existing mattress is easy to affect with damp, mildew, breed worms and deteriorate, is easy to layer and has poor air permeability is solved.

The invention provides polyacrylic ester interpenetrating network polymer emulsion and highly damped materials, pertaining to the high molecular polymer technological field. The polymer emulsion group consists of protecting adhesive, emulsifier, activator, buffering agent, cross-linking agent, water and monomers, wherein, the monomers comprises butyl acrylate, methacrylic acid, acrylic acid epoxy propyl ester, cinnamene, etc., and polymerize in an interpenetrating network shape. The highly damped materials used for decreasing vibration of vehicles are prepared by the emulsion after addition agent, filing materials and water are added. Since the emulsion of the invention, hollow glass microbeads and talc are used as the important components of the filling materials, the high molecular adhesive and elastic material of the invention has better damped performance, the tenacity and elasticity of the material are enhanced, the intensity of tension, and flexural rigidity resistance and wearing resistance of the material are improved, therefore, the effects of vibration decreasing, noise decreasing, sound and heat insulation can be achieved under various complicated conditions.

The invention relates to a locating device capable of measuring corresponding coordinate position of a distributed sensing optical fiber in a measured structure. A distributed stress/temperature sensing optical fiber coordinate locating device is characterized in that the locating device comprises two semi-circle annular members, wherein the bottom ends of two semi-circle annular members are connected in a buckling manner; the upper ends of two semi-circle annular members are connected in a buckling manner; two semi-circle annular members form an annular structure with an optical fiber through hole inside; two semi-circle annular members comprise outer surface layers and inner surface layers; the inner surface layers are arranged in the outer surface layers; an electric heating wire is arranged between each outer surface layer and each inner surface layer; a lead wire connected with a wire connection head of each electric heating wire is respectively connected with a corresponding output end point in a power supply control box; each outer surface layer is composed of an iron layer, an asbestos layer and a ceramic layer, which are arranged from inside to outside; and each inner surface layer is a glass layer. According to the method, a measurement circuit composed of the distributed sensing optical fiber can be subjected to accurate coordinate location.

A solid rocket engine with a high thrust ratio comprises a combustion chamber shell. A heat insulated layer is pasted to the inner surface of the combustion chamber shell. A heat insulated sleeve is bonded to the outer surface of a grain and forms a whole with the grain. The grain with the heat insulated sleeve is arranged in the combustion chamber shell with the heat insulated layer in a free-filling mode. A spray pipe is arranged at the outlet end of the combustion chamber shell. The grain comprises a booster-stage three-arm type grain body and a cruising-stage end-burning grain body which are connected in series to form the integrated grain. The booster-stage three-arm type grain body and the cruising-stage end-burning grain body are grain bodies for four-component hydroxy-terminated polyb propellants of the same formula. By means of the solid rocket engine with the high thrust ratio and a manufacturing method thereof, the problem of a small thrust ratio can be solved, the high thrust ratio can be provided, working is table, and the structure and performance are reliable.

The invention discloses low-temperature ceramic silicone rubber and a preparation method thereof. The low-temperature ceramic silicone rubber comprises the following raw materials by mass percent: 40-80% of silicone rubber, 10-30% of fumed silica, 15-30% of halloysite, 3-8% of a heat conducting filler, 3-10% of a flux, 1-5% of hydroxyl silicone oil and 1-3% of a vulcanizing agent. During preparation, raw materials are uniformly mixed in a rubber internal mixer or a rubber open mixer to obtain a rubber compound, the rubber compound is vulcanized at the temperature of 150-180 DEG C to obtain ceramic silicone rubber vulcanized rubber, the first-stage vulcanization time is 5-15 min and the second-stage vulcanization time is 2-4 h. The technical method is simple, the prepared ceramic silicone rubber vulcanized rubber has favorable mechanical performance and can be converted into a hard ceramic body at a low ceramization temperature, the ceramic body has the three-point bending strength exceeding 3 MPa and is quick in forming, and wires and cables have more remarkable flame-retardant and fire-retardant effects.

The invention discloses a composite health care pad, which comprises a middle layer, wherein an upper surface layer and a lower surface layer are respectively arranged on the upper surface and the lower surface of the middle layer, a layer of blocking layer is respectively arranged between the middle layer and the upper surface layer and/or between the middle layer and the lower surface layer. The upper surface layer and the lower surface layer are non-woven layers containing 5%-50% low-melting-point fibers, and the middle layer is a non-woven layer containing the following components: fibrilia and 5%-50% of low-melting-point fibers. The blocking layers are non-woven layers containing 5%-100% of fibrilia, and the content of fibrilia in the composite health care pad ranges from 5% to 65%. The invention further discloses a manufacture method of the composite health care pad, which includes the following steps: respectively manufacturing the middle layer, the upper surface layer, the lower surface layer and the blocking layers, sequentially overlaying all the layers, and carrying out procedures including drying in a drying oven, cold rolling, cooling, cutting, inspection and packing. The composite health care pad and the manufacture method thereof solve the problems that the existing mattress can become damp and mildewed easily, can be damaged by worms, is apt to be layered, and is poor in ventilation and inconvenient to use caused by the fact that hard fibers in the middle of the mattress prick out.

The invention discloses energy-saving coated glass. Glass is used as a base plate, a vanadium dioxide thermochromic layer and a silicon dioxide aerogel layer sequentially deposit on the glass. Different heat propagation modes of heat conduction and radiant heat blocking are integrated, and the energy-saving coated glass has heat -insulating and thermochromic functions. Oxidization of the vanadium dioxide layer is retarded by introducing the silicon dioxide aerogel layer, and meanwhile a permeability improvement effect can be played. The invention further discloses a preparation method of the energy-saving coated glass. Firstly, the glass base plate is subjected to hydrophilic treatment; the surface of the glass base plate subjected to hydrophilic treatment is coated with a vanadium dioxide precursor layer by adopting a sol-gel method; the surface of the vanadium dioxide precursor layer is coated with a silicon dioxide aerogel precursor layer by adopting a sol-gel method; finally, the energy-saving coated glass is obtained through heat treatment, the heat treatment temperature is 550-580 DEG C, and the time is 1-10 hours.

The invention relates to a heat insulation and preservation plastic film. The heat insulation and preservation plastic film is prepared from the following raw materials in parts by weight: 80-100 parts of polyethylene resin, 15-20 parts of an inorganic infrared heat insulation and preservation agent, 20-30 parts of a dripping agent, 1-5 parts of a dispersant, 1-5 parts of an aromatic amine antioxidant, 1-5 parts of a Ca/Zn composite stabilizer and 2-3 parts of a fog reducing agent. The heat insulation and preservation plastic film provided by the invention has high strength and good performance, can prevent a large amount of infrared rays from entering a greenhouse in the daytime and play a role in insulating heat and can prevent energy from dissipating in the nighttime and play a role in preserving heat.

This invention discloses an electric heat plate including a face panel, an electric heat material, a backing and an electrode for connecting the power supply, among which, said electrode is connected with the electric heat material wrapped between the face panel and the backing, also includes a connection end led out by said electrode. In an optimum seeking plan, the material is adhered screwed or clamped with the backing and the face panel. Said plate also includes a balance layer balancing the stress of the panel set between the panel and the electric heat material and a cushion at the backing side. This invention also discloses an electric heat plate system assembled by multiple electric heart plates.

The invention discloses a stage lighting color filter device which comprises a color filter wheel and a lamp body. The color filter wheel is located in front of the lamp body, a color filter strip is arranged around the center of the color filter wheel, one end of the color filter strip close to the center of the color filter wheel serves as an inner end of the color filter strip, the inner end of the color filter strip is protruded towards one side of the lamp body, so that the color filter strip has an angle of inclination relative to the front end face of the lamp body, and the lamp body is opposite to the color filter strip. The stage lighting color filter device can lower temperature of a central zone of the lamp body and prolongs service life of the lamp body.

The invention relates to a sun-reflection heat-insulation paint and a manufacturing method thereof. The invention aims to provide a paint with favorable heat-insulation property. The technical scheme is as follows: the sun-reflection heat-insulation paint comprises a water-based resin, assistants, titanium white, heat-insulation powder and a far-infrared powder composite pigment, wherein the water-based resin is a pure acrylic emulsion or fluorocarbon resin emulsion or silicone acrylate resin emulsion; and the assistants comprise a preservative, a bactericide, a dispersing agent, a leveling agent, a defoaming agent, a film formation assistant, a thickener and an antifreezing agent. The manufacturing method comprises the following steps: (a) proportionally and uniformly mixing porous mineral particles, silane coupling agent, dispersing agent, deionized water and anhydrous ethanol; (b) proportionally and uniformly mixing far-infrared powder, anti-phase-separating agent, water and anhydrous ethanol; (c) proportionally and uniformly mixing the liquids formed in the steps (a) and (b), and aging to obtain a gel; and (d) drying and holding the gel to obtain the composite powder.

The invention discloses a composite environmental-friendly cushion which comprises a middle layer and upper and lower surface layers. The middle layer comprises a first middle layer, a second middle layer and a bonding layer. The upper and lower surface layers are non-woven layers comprising 5 percent to 50 percent of low melting point fibers. The first and second middle layers are non-woven layers which respectively comprise the following components: bastose and 5 percent to 50 percent of low melting point fibers. The bonding layer mainly consists of the low melting point fibers. In the whole composite environmental-friendly cushion, the content of the bastose is within the range of 5 percent to 65 percent. The invention also discloses a preparation method of the composite environmental-friendly cushion, which comprises the following steps of: respectively preparing the middle layer, the upper and lower surface layer and the bonding layer; then sequentially paving the layers; and preparing the composite environmental-friendly cushion by processes of processing by an oven, cold milling, cooling, cutting, inspecting and packaging. Due to the adoption of the composite environmental-friendly cushion and the preparation method thereof, which are disclosed by the invention, the problem that the existing mattress is easy to affect with damp, mildew, breed worms and deteriorate, is easy to layer and has poor air permeability is solved.

A preparing method of an environmental friendly flame-retardant polycarbonate composite material is disclosed. The method includes mixing nanometer zinc oxide, nanometer titanium dioxide, nanometer aluminium hydroxide, glass fibre, kaolin, nanometer zinc stannate, ferrocene, zinc molybdate, basic sodium aluminium carbonate, calcium stearate, zinc stearate and a silane coupling agent KH-540 to obtain a modified filler; melting and extruding polyvinyl butyral, polyvinylidene fluoride, octafluoro-diphenyl diglycidylether, styrene-acrylonitrile copolymer, melamine resin and the modified filler in a twin-screw extruder to obtain dispersed master batch; adding polycarbonate, the dispersed master batch, tris(2,4-diisobutyl) phosphate, hexaphenoxycyclotriphosphazatriene, potassium perfluorobutanesulfonate, bisphenol A bisphthalonitrile, a plasticizer and an oxidant into a twin-screw extruder, melting and extruding. The composite material prepared by the method is good in heat resistance and excellent in flame retardance.

The invention discloses heat-resistant flame-retardant powder coating. The coating comprises the following raw materials: epoxy resin, carboxyl-terminated unsaturated polyester resin, nitrogen-containing phenolic resin, polyamide resin, thermoplastic styrene-butadiene rubber, ammonium polyphosphate, pentaerythritol, melamine, expansible graphite, nano-zirconia, titanium dioxide, talcum powder, diphenyl silanediol, 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, octadecendioic acid, tetrahydro-1,3,4,6-tetrakis(methoxymethyl)imidazo[4,5-d]imidazole-2,5(1H,3H)-dione, benzoyl peroxide and auxiliaries. The heat-resistant flame-retardant powder coating has good heat resistance and excellent flame retardant performance, can be used for coating surfaces of kitchen ware, instrument shells, display stands, electromechanical equipment, automobile components and parts and the like, and has the advantages of good comprehensive performance and long service life.

The invention discloses a bulletproof composite armor and a preparation method thereof, and belongs to the technical field of composite materials. The preparation method of the bulletproof composite armor comprises the following steps: 1) mixing boron carbide, high-thermal-conductivity carbon nano fibers, phenolic resin and high-purity water, uniformly stirring to obtain composite slurry, and carrying out spray granulation to obtain a composite raw material; (2) filling the composite raw material prepared in the step (1) into a carbon fiber woven bag, sewing the bag, putting the bag into a mold, carrying out cold pressing to form a green body, and carrying out high-temperature hot-pressing and sintering on the green body to obtain a composite ceramic plate; and 3) hot-pressing and compounding the composite ceramic plate prepared in the step 2), aramid fiber cloth and an ultra-high molecular weight polyethylene back plate in a high-temperature autoclave to obtain the bulletproof composite armor. The cracking of the ceramic plate in all directions can be prevented, and the high-temperature resistance of a crack stopping layer is improved.

The invention discloses waterborne polyurethane thermal-insulating sound-absorbing coating and a preparation method thereof. The waterborne polyurethane thermal-insulating sound-absorbing coating comprises a polyurethane prepolymer, N-hydroxymethyl acrylamide, phthalic acid dibutyl ester, a zirconium-aluminic acid ester coupling agent, rutile titanium dioxide, methylsilicone oil, a mixed solvent and a sound-absorbing material. The preparation method comprises the following steps: dissolving every 1 kg by weight of N-hydroxymethyl acrylamide in 2 kg of 50-70% ethanol in volume concentration, mixing with the polyurethane prepolymer in a reaction kettle, enabling the components to react for 1 hour at 80-150 DEG C, and adding the zirconium-aluminic acid ester coupling agent to continuously react for 2-5 hours; subsequently adding the phthalic acid dibutyl ester, rutile titanium dioxide, methylsilicone oil, mixed solvent and sound-absorbing material, and uniformly mixing, thereby obtaining a waterborne polyurethane thermal-insulating sound-absorbing coating product. The waterborne polyurethane thermal-insulating sound-absorbing coating can insulate heat and absorb sound, and is good in chemical resistance, good in temperature resistance, good in weather resistance, long in film service life, free of toxicity or smell, safe and environment-friendly and good in sound absorption effect.

The invention provides a dual-body water glass. A vertical double-layer clapboard is arranged in a glass body of the water glass; and the upper part of the glass body is provided with separately arranged flaps corresponding to the vertical clapboard in the glass body. When the dual-body water glass is used, the water glass can be respectively filled with hot boiling water and cooled boiled water or two different beverages for people with different requirements to drink; and the arranged double-layer clapboard can play a role in insulating heat, so that the cold and hot water cannot transfer heat mutually.

The invention discloses a natural fiber health-care board which consists of a middle layer and a surface layer arranged on the upper surface or the lower surface of the middle layer. The surface layer is a non-woven layer comprising 5 percent to 50 percent of low melting point fibers. The middle layer is a non-woven layer which comprises the following components: bastose and 5 percent to 50 percent of low melting point fibers. In the natural fiber health-care board, the content of the bastose is within the range of 5 percent to 65 percent. The invention also discloses a preparation method of the natural fiber health-care board, which comprises the following steps of: respectively preparing the middle layer and the upper or lower surface layer; then sequentially paving the layers; and preparing the natural fiber health-care board by processes of processing by an oven, cold milling, cooling, cutting, inspecting and packaging. Due to the adoption of the natural fiber health-care board and the preparation method thereof, which are disclosed by the invention, the problem that the existing mattress is easy to affect with damp, mildew, breed worms and deteriorate, is easy to layer and has poor air permeability is solved.

The invention relates to a PPR insulating composite tube for home decoration and a preparation method of the composite tube. The composite tube is of a three-layer composite structure, the inner layer of a PPR or PPR aluminum-plastic composite tube is coated with an expanded polyethylene insulating layer through equipment, the expanded polyethylene insulating intermediate layer is coated with a weather-resistant and scratch-resistant outer protection layer through an extruding machine, closed-cell expanded materials are adopted by the expanded polyethylene insulating layer, the cell sizes range from 0.2 mm to 0.5 mm, and the weather-resistant and scratch-resistant layer is prepared from 60%-90% of LLDPE, 5%-15% of HDPE, 4%-20% of EVOH, 0.5%-2% of silane-modified nano-titanium dioxide and 0.5%-2% of compound additives. The expanded polyethylene insulating layer is obtained through a one-step method. The PPR insulating composite tube has the insulating and energy saving properties and the excellent weather-resistant and scratch-resistant properties, a synchronous coating molding process is adopted in the production process, the production efficiency is improved, the manufacturing cost is reduced, and the PPR insulating composite tube has a good market application prospect.

The invention proposes a main silencer for an air exhaust system of an automotive engine, which comprises a barrel body, an air inlet pipe, an air exhaust pipe, a medium-voltage cavity A, a low-voltage cavity B and a high-voltage cavity C; the barrel body consists of an inner barrel body, a first grid layer, a second grid layer and an outer barrel body; the first grid layer and the second grid layer are mutually crossed in a grid manner and are clamped between the inner barrel body and the outer barrel body in a two-layer superposition manner; a ventilation and drainage hole is arranged on the inner barrel body; and a drainage hole is arranged on the outer barrel body. The main silencer can prevent direct impact caused by high temperature and high pressure gas to the outer wall of the outer barrel body, reduce the vibration, the radiation noise and the effect on indoor comfort and simultaneously prevent the water accumulation generated in the inner barrel body to prevent a clapboard, an end cover, the air inlet pipe and the air exhaust pipe from being corroded by the water accumulation. Therefore, the comfort of the entire main silencer is improved, the maintenance cost of a user is saved, and the service life of the main silencer is greatly improved.

The invention relates to a sludge unit enclosed tank type OAR treatment system. The system comprises fermentation tanks, a stone filter interlayer, a unit glasshouse, an aeration system and an automatic control system. The sludge unit enclosed tank type OAR treatment system has the beneficial effects that 1, the unit enclosed structure is capable of sufficiently utilizing the solar energy and the biological energy, and also capable of achieving the effects of heat preservation, thermal insulation, odor spillover prevention and the like, and the energy consumption is reduced and the operating cost is reduced, 2, the design of an obstruction door is advantageous for the hierarchical control of the material fermentation process and also advantageous for shortening the fermentation period and improving the processing capacity, 3, the feedback of a plurality of parameters and the adoption of the variable frequency technology are capable of realizing automatic accurate control of fermentation oxygen supply amount, and the controllers of a plurality of chambers can be networked to form a central control system, so that the labor intensity is greatly reduced, the efficiency is improved and the labor cost is reduced, 4, the number of the fermentation tanks can be increased or decreased according to the desired processing capacity, and the fermentation units are arranged flexibly to achieve the desired design requirements and to be suitable for large-scale sludge treatment, and 5, the processes are smooth in transition, simple to operate and simple and easy to maintain.