103results about How to "Improve insulation performance" patented technology

The invention discloses a heat-insulating and noise-reducing nonwoven composite material for automobile interior trim and a preparation method thereof. The composite material is prepared from certain proportions of PP (polypropylene) fiber, PET (polyester) fiber and hollow PET fiber, the mixed fiber is prepared into a composite felt by a certain acupuncture process, and an appropriate die pressing process is adopted to prepare a composite fiber felt. The composite material disclosed by the invention keeps lower surface density, good bending performance and good dimensional stability, can also meet the functional requirements for heat insulation and sound insulation, and can be used for preparing medium and high-grade automobile interior trim materials.

The invention discloses a green porous near-infrared reflection pigment and a preparation method thereof. The chemical composition is NaZn[1-x](Cr)xPO4, wherein x is 0.10-0.25. The preparation method comprises the following steps; proportionally dissolving a zinc salt and a chromium salt in deionized water, and stirring at room temperature to obtain a zinc-chromium solution; heating the zinc-chromium solution in a water bath, and slowly and dropwisely adding phosphoric acid while stirring, thereby obtaining a zinc-chromium-phosphorus solution; dissolving sodium carbonate or sodium bicarbonate in water to obtain a sodium solution as a precipitant; slowly and dropwisely adding the precipitant into the zinc-chromium-phosphorus solution to regulate the pH value, standing, washing with water, washing with alcohol, and drying to obtain a precursor powder; and putting the precursor in a muffle furnace, calcining, carrying out furnace cooling, and grinding to obtain the green porous near-infrared reflection pigment. The brightness value of the pigment is 60.27-67.34, and the near-infrared sunlight reflectivity is 63.84-69.12%, which are respectively higher than those of the common iron green pigment. Thus, the green porous near-infrared reflection pigment has wide application prospects in the field of solar heat reflective insulation paints.

The invention discloses a method for producing a novel vacuum insulated panel. The method comprises the following steps of: material mixing: putting fumed silica, microsilica, carbon black, fibers and a vacuum active stabilizer into a mixer for complete mixing; drying: drying the uniformly stirred mixture; core material molding: putting the dried mixture and a getter into a mold, and putting the mold into a pressing machine for extrusion forming; packing: taking the formed core plate out of the mold and wrapping the core plate with a layer of non-woven fabric to obtain the core plate of the vacuum insulated panel; putting the core plate into a high-resistance air film bag for vacuuming until a vacuum degree is 0.02-20 Pa, and sealing the high-resistance air film bag. The method has the advantages that the fumed silica, the microsilica and the fibers are mixed together so that the strength of the insulated panel is improved, the insulation performance is improved and low heat conductivity is obtained, and the fumed silica, the microsilica and the fibers are inorganic materials and are difficultly combusted. The carbon black has large specific surface area, can absorb residual moisture in the core material and can assist the vacuum active stabilizer in maintaining vacuum in the bag.

The invention discloses a manufacturing method of a semiconductor device, which comprises the following steps: providing a semiconductor substrate comprising a metal connecting wire; forming a dielectric layer on the metal connecting wire; forming a photoresist mask layer on the surface of the dielectric layer; etching the dielectric layer with the photoresist mask layer as a mask to form a through-hole in the dielectric layer until the bottom of the through-hole is exposed to the metal connecting wire; removing the photoresist mask layer; removing the metal oxidizing layer on the surface of the metal connecting wire at the bottom of the through-hole; and removing moisture from the substrate. The manufacturing method of the semiconductor device can effectively remove the generated moisture before depositing a metal material into the through-hole of the dielectric layer.

The invention provides a potting technology for a motor stator notch. The potting technology comprises the steps that a motor stator to be potted is provided, wherein the motor stator to be potted comprises a stator iron core and a coil winding which is wound around the stator iron core; an NMN polyester film is used for potting protection on the outer circle of the stator iron core; a well prepared potting sealant is poured inside the potting protection formed by the NMN polyester film so that the end of the coil winding can be potted; the potting sealant is cured. Compared with the prior art, the potting technology for the motor stator notch has the advantages that due to the fact that the NMN polyester film is used for the potting protection of the outer circle of the stator iron core, after the stator of a large-scale permanent magnetic direct-driven wind turbine is potted, the potting sealant is free of an obvious step shape on the surface of the notch; in this way, the insulation performance of the motor can be effectively improved, and the motor operation stability can be well guaranteed.

The invention discloses a layered vacuum insulation board core material and a preparation method thereof. The thickness of the vacuum insulation board core material is between 5 and 50mm, the coefficient of heat conductivity is between 0.018 and 0.03 W/mK, and the vacuum insulation board core material is formed by overlying a plurality of layers of glass fiber mats and can be prepared into vacuum insulation boards with high-efficient thermal insulation. According to the layered vacuum insulation board core material, continuous glass fiber with 6 to 13 mu m of diameter and 5 to 20mm of length is used and cannot be sucked into the deep parts of human lungs after being authenticated by world health organization, so that the layered vacuum insulation board core material is safe and harmless, meets the requirements of materials, can be used at ease for a long time and solves the problems of sanitation and safety of vacuum insulation board products.

The invention relates to a preparation method of a nano montmorillonite modified resin-based carbon foam heat-insulating material. The carbon foam material prepared by the preparation method is mostly in a closed-pore structure; and based on the characteristics of introduced montmorillonite particles, such as low heat conductivity and nano-level size, the heat-insulating property of the carbon foam at high temperature is effectively enhanced. After the montmorillonite is added, the heat conductivity of the carbon foam at 800 DEG C is reduced from 0.854W/m.K to 0.5884W/m.K.

The invention discloses a refrigerator, which comprises a refrigerator body, a door body, an outer door seal strip and an inner door seal strip, wherein compartments are defined in the refrigerator; the door body is used for opening or closing the compartments; the outer door seal strip is mounted to the door body and is used for enclosing a clearance between the refrigerator and the door body; and the inner door seal strip is mounted to the door body and is located at the inner side of the outer door seal strip to isolate the compartments from the outer door seal strip. The refrigerator provided by the invention is provided with a double inner and outer door seal strip structure; the inner door seal strip can isolate cold air in the compartments mainly at the inner side of the inner door seal strip, thereby reducing convection between cold air in the compartments and air at the outer door seal strip, and effectively reducing cold loss; the outer door seal strip is arranged to further reduce leakage of cold air in the compartments to the outside, prevent cold air from flowing from the outer door seal strip into the interior of the refrigerator, thereby improving the heat preservation property of the refrigerator, saving electric energy, and reducing energy consumption of the refrigerator; and moreover, such a double-door-seal structure can also reduce the clearance between the refrigerator body and the door body, thus further improving the heat preservation property of the refrigerator.

A thermal insulation coating for external walls includes the following components in parts by mass: 30-50 parts of an acrylic resin emulsion, 6-10 parts of hollow glass micro-beads, 5-9 parts of nanofar-infrared ceramic powder, 10-16 parts of nano silica powder, 5-15 parts of titanium dioxide, 6-9 parts of graphene, 1-3 parts of electroconductive powder, 0.1-1.5 parts of a dispersant, 1-1.5 partsof a defoamer, 0.4-0.8 part of a pH regulator, 1-1.5 parts of an antifreeze agent, 0.8-1.5 parts of an antisettling agent, 0.4-1 part of a preservative, 12-15 parts of a film forming auxiliary agent,0.8-1.8 parts of a thickener, and 60-80 parts of deionized water. The thermal insulation coating for the external walls has the advantages of effectively improving the thermal insulation performanceof the coating, improving indoor comfort degree and reducing energy consumption by adding the glass hollow micro-beads and the nano far-infrared ceramic powder into the coating, and has a good promotion prospect.

The invention discloses a thermal insulation anti-radiation laminated glass film, which comprises the following components by weight: 73-79 parts of high strength epoxy resin, 6-7 parts of a perfluoroalkyl ether quaternary ammonium salt, 5-8 parts of polyether silicone oil, 16-18 parts of silica sol, 26-28 parts of a boron-rich curing agent and 210-220 parts of dimethyl sulfoxide. According to theinvention, a film laminating agent with anti-radiation and low heat conduction properties, then the film laminating agent is coated between two layers of glass for bonding and fixing the two layers of glass, so that a glass film can be formed between the two layers of glass, the glass film itself has anti-radiation and thermal insulation properties, and then the prepared double-layer glass has high anti-radiation and thermal insulation properties, at the same time through the protection of the two layers of glass, the glass film therein cannot be scratched or peeled under the action of an external force, and then the service life of thermal insulation anti-radiation glass can be improved.

This invention provides a vertical face decoration structure outside of a wall including multiple concrete flat tiles and multiple tile battens, which are fixed on the outer vertical face of the wall along the top and the bottom and in a certain interval, and said multiple flat tiles are arranged on the battens vertically and horizontally, and top of any flat tile is fixed on the batten and bottom is overlapped above the flat tile under it. This invention also provides an available construction method.

The invention provides a phase-transition heat-storage skylight comprising a window frame mounted on the opening of a roof board, and glass inlaid into the window frame, wherein a low wall having the height of the window is connected to the edges on the shade side of the opening of the roof board, and a lateral skylight and a top skylight are connected to the edges on the sunny side thereof, thus forming a roof sun space enclosed by the low wall, the lateral skylight and the top skylight; and an openable heat-storage cover board is hinged to the edge on one side of the shade side of the opening of the roof board, and the lower surface of the openable heat-storage cover board is covered with a heat insulation layer. The skylight employs various solar energy technologies for indoor heating and natural ventilation by using no commercial power; the indoor environment is clean and comfortable owing to the solar-based heating; and by combining the solar energy technology and the skylight, the heat-preservation performance of the skylight is greatly improved.

The invention provides a multilayer packaging glue film for a solar cell and a preparing technology thereof, and particularly discloses a multilayer packaging glue film capable of effectively improving the anti-PID performance of a solar cell assembly and a preparing technology thereof.According to the specific formula proportion and the preparing technology, three glue films with different characteristics are compounded, the ion barrier performance, the insulativity and the water-vapor permeating barrier performance of the product are improved at the same time, and the anti-PID performance generated when the packaging glue film is used is further effectively improved.Compared with a traditional EVA packaging glue film in the market, the anti-PID performance generated when the product prepared with the preparing technology is used is obviously improved.

The invention relates to a composite transfusion pipe lined with fluorine resin or organic resin, which comprises an external-layer transfusion pipe, a transfusion pipe, glue, a fluorine resin pipe or an organic resin pipe, a heat-insulation material or a phase-change energy-storage material, wherein the heat-insulation material or the phase-change energy-storage material is in the external-layer transfusion pipe, the transfusion pipe is in the heat-insulation material or the phase-change energy-saving material, and the hot-pressing expanding deforming fluorine resin pipe or the organic resin pipe is adhered to the internal surface of the transfusion pipe.

The invention discloses a greening planting device system of a building. The greening planting device system of the building comprises a building greening main body, wherein the building greening main body is provided with a plant planting layer, a solid state substrate layer and a planting substrate provided with a hole groove are arranged between a planting wall and the plant planting layer, a root blocking layer is arranged between the solid state substrate layer and the building greening main body, and a waterproof section bar is arranged between the building greening main body and the planting substrate provided with the hole groove; a fiber layer is arranged between a root blocking waterproof section bar and the solid state substrate layer, a fiber layer is arranged between the waterproof section bar and a punching waterproof plate, and a fiber layer is arranged between the punching waterproof plate and the planting wall; and the planting substrate provided with the hole groove is made of a weather resistant waterproof material. The greening planting device system of the building, provided by the invention, has the advantages that the root containing range of the planting system is expanded, the anchoring performance of the planting substrate about a root system is improved, plant growth is facilitated, the safety of the plant on the building is improved, and the plant is difficult to fall.

The invention discloses an efficient heat-pump heat-preservation system. A dual-layer water tank is arranged through a shell and an inner container, a vacuumizing pipe is arranged and communicated with a vacuum cavity, the vacuum degree of the vacuum cavity is kept under air exhaust by a vacuum pump, the heat insulation aim is achieved, and therefore the heat-preservation performance of a water supply tank is improved; a high-temperature and high-pressure medium is conveyed to a condenser through a heat pump pipe under working of a compressor, water in the inner container is heated, and when the water is heated to the limited temperature, the heat pump pipe stops working, the vacuum pump does intermittent movement, the vacuum degree in the vacuum cavity is kept in the limited range, it isguaranteed that the water temperature in the water supply tank is kept constant accordingly, and heat loss is reduced; meanwhile, compared with an existing mode of packaging a heat insulation layer, through heat insulation of the vacuum cavity, the corrosive phenomenon of the heat insulation layer can be avoided, and therefore the service life of the equipment is prolonged. The efficient heat-pumpheat-preservation system is used for a device of supplying hot water through a heat pump.

The invention relates to a contact supporting assembly of a direct-current contactor. The contact supporting assembly comprises a push rod, a movable contact bridge assembly, a mounting plate assembly and a supporting assembly, wherein the mounting plate assembly comprises a mounting plate, an auxiliary normally open static contact, a pre-charging static contact and a resistor; the supporting assembly comprises a supporting part, an auxiliary normally open movable contact and a pre-charging movable contact; the supporting part is arranged under the movable contact bridge assembly; the supporting part is fixed on the push rod; the normally open movable contact and the pre-charging movable contact correspond to the auxiliary normally open static contact and the pre-charging static contact respectively in position; and when the push rod is pushed, the movement distance of the movable contact bridge assembly is greater than the movement distance toward the pre-charging static contact of the pre-charging movable contact. With the adoption of the contact supporting assembly, the isolation between a movable contact bridge and the push rod and the auxiliary contacts and the push rod can be realized and the insulating performance of a product is improved; and the auxiliary contacts and the pre-charging contacts can also be integrated, so that the aims of simplifying a machining process and reducing the machining cost and the material cost are realized.

The invention provides a drap-de-berry fabric containing graphene. The drap-de-berry fabric containing the graphene comprises wool fibers and graphene-containing polyethylene terephthalate fibers, wherein the mass ratio of the wool fibers to the graphene-containing polyethylene terephthalate fibers is between 5: 95 and 95: 5. The polyethylene terephthalate fiber containing the graphene is introduced into the drap-de-berry fabric, so that the heat insulation performance of the drap-de-berry fabric is improved.

The invention discloses a thermal insulation plastic pipeline which comprises the following raw material ingredients in parts: 20-25 parts of carbon fiber, 15-20 parts of glass fiber, 20-30 parts of teflon, 25-30 parts of graphite fiber, 15-20 parts of ultrahigh molecular weight polyethylene fiber, 15-20 parts of polyester fiber, 10-15 parts of polyacrylonitrile fiber, 15-25 parts of polypropylene fiber, 10-20 parts of polyurethane foam, 25-30 parts of polystyrene foam and 20-25 parts of polyvinyl chloride foam. According to the thermal insulation plastic pipeline, the thermal insulation property of the pipeline can be improved; rupture or frost cracking can be avoided; the thermal insulation plastic pipeline can adapt to temperature changes; and the bearing capacity can be improved.

The heat insulating box for cold and hot food includes one box body in hollow structure filled with heat insulating material and one box cover. The box cover has notch with embedded sealing strip in the inner wall and limiting notch in the surface; and the box body has limiting boss on the bottom. The heat insulating box features the box cover with one sealing boss in the inner wall, the joint between the box body and box cover with at least one pair of notches and slap in the outer side board wall, the inner and outer surfaces of the box cover and the outer wall of the box body with reinforcing ribs, and the box body cavity bottom with one capped through hole. The present invention has the features of high sealing performance, long temperature maintaining period, great box cavity capacity and good heat insulating performance.

The invention provides a flash memory structure, which comprises a semiconductor substrate, a tunneling oxide layer, floating gates, an insulating layer, control gates, an oxide layer and nitrides. A plurality of ion doping areas are arranged in the semiconductor substrate, and each area is respectively used as a source electrode or a drain electrode; the tunneling oxide layer is formed on the surface of the substrate; the floating gates are arranged between the source electrode and the drain electrode and are superposed above the tunneling oxide layer; the insulating layer is arranged on the upper surface of the floating gates; the control gates are superposed on the surface of the insulating layer; the oxide layer is deposited on a side wall formed by superposing the floating gates, the isolating layer and the control gates, and the upper surface of the control gate; and the nitrides are deposited on the side wall of the oxide layer. Compared with the prior art, the flash memory structure provided by the invention uses the ON medium structure to replace the ONO medium structure in prior art, which improves the insulating property of the thickened nitrides, effectively overcomes the problem that the medium structure is thinned caused by removing the medium structure in subsequent etch process, greatly prolongs the holding time of the charges in the floating gate, and avoids the loss of the data.

The invention relates to the technical field of wall tiles, in particular to an elastic heat-preservation ceramic wall tile and a manufacturing process thereof. The elastic heat-preservation ceramic wall tile comprises a ceramic bottom plate. A wedge-shaped cavity is formed in the ceramic bottom plate, and the small open end of the wedge-shaped cavity faces outwards. The wedge-shaped cavity is filled with elastic rubber, and a plurality of ceramic particles are arranged in the elastic rubber in an embedded mode. The wedge-shaped cavity is prepared from components of, by mass, 100-130 parts ofkaolin, 80-90 parts of feldspar, 40-60 parts of quartz, 10-20 parts of zirconia, 8-12 parts of silicon nitride, 10-15 parts of basalt and 5-7 parts of pure aluminum powder. The attractiveness of an original ceramic tile is ensured, the ceramic tile has elasticity, and when the body or furniture bumps against the ceramic tile, body parts and the furniture are not injured; the heat-preservation performance of the wall tile is improved; and the product manufacturing cost is low, and higher benefits are brought for factories or enterprises.

The invention provides a silicon-dioxide aerogel thermal-insulation material and a preparation method thereof, belongs to the technical field of thermal-insulation materials, and particularly relates to the silicon-dioxide aerogel thermal-insulation material and the preparation method thereof. The invention aims at solving the problems that in the prior art, aerogel and thermal-insulation materials are low in intensity, tedious and complicated in preparation process, and not well popularized. The silicon-dioxide aerogel thermal-insulation material comprises, by weight, 20-40 parts of silicon-dioxide aerogel sol, 15-35 parts of water, 10-20 parts of glass fiber, 5-8 parts of silicon nanotube and 0.5-2 parts of active agent. The prepared silicon-dioxide aerogel thermal-insulation material has better stability, and long fibers are fused with the nanotubes and aerogel materials. The heat conductivity coefficient reaches 0.011W/(m<2>*K), the thermal-insulation performance of the thermal-insulation material is greatly improved, and the thermal-insulation effect is improved.

The invention relates to a high-strength turbine mould shell structure which is characterized by including, successively from interior to exterior, a zircon surface layer (1), a first mullite sand layer (2), a second mullite sand layer (3), a third mullite sand layer (4), a fourth mullite sand layer (5), a fifth mullite sand layer (6) and a vermiculite layer (7), wherein mullite sand in the first mullite sand layer (2) is 60-80 in meshes, the mullite sand in the second mullite sand layer (3) is 30-60 in meshes, the mullite sand in the third mullite sand layer (4) is 30-60 in meshes, the mullite sand in the fourth mullite sand layer (5) is 16-30 in meshes, and the mullite sand in the fifth mullite sand layer (6) is 16-30 in meshes. By means of the special structure, a shell mould shell has a high-strength performance and a high thermal-insulation performance. A turbine produced with the mould shell is good in quality.

The invention discloses water-based thermal insulation finishing paint, prepared by the following materials of 30% to 40% of water-based polyurethane emulsion, 22% to 28% of glass beads, 20% to 25% of deionized water, 8% to 12% of fillers, 5% to 7% of auxiliaries, 0.2% to 0.5% of antifoaming agents, 0.1% to 0.5% of preservative and 0.5% to 0.9% of thickening agent. The water-based thermal insulation finishing paint has good thermal-insulating performance.

The invention discloses an aerogel density board. The aerogel density board is prepared by the following steps of carrying out soaking treatment on straw powder through a sodium hydroxide solution and then drying; and mixing the following raw materials in parts by weight: 70-80 parts of processed straw powder, 20-40 parts of urea resin, 10-30 parts of epoxy resin, 5-20 parts of an epoxy curing agent, 3-8 parts of aerogel powder, 6-15 parts of calcium carbonate, 2-5 parts of carbon fibers and 1-3 parts of a fire retardant evenly, injecting the mixture into a mold, carrying out heat preservation at 120-160 DEG C for 10-30 minutes, carrying out compression molding and demolding to form the aerogel density board. The aerogel density board disclosed by the invention is high in mechanical strength, good in toughness, good in thermal insulation property, and the straw and the resin solidification effect is good in the preparation process.

The invention belongs to the technical field of heat insulation and sound absorption, and discloses a heat-insulating and sound-absorbing plate and a preparation method thereof. The heat-insulating and sound-absorbing plate is composed of a first panel layer, a second panel layer and a core material layer, and the core material layer is located between the first panel layer and the second panel layer; the core material layer is composed of a wooden felt, aerogel and an expandable microsphere foaming agent, and the wooden felt is filled with the aerogel and the expandable microsphere foaming agent; the first panel layer and the second panel layer are fiber-reinforced resin-based composite sheets, the first panel layer and the core material layer are integrally formed, and the second panel layer and the core material layer are integrally formed. According to the heat-insulating and sound-absorbing board prepared by the method, a traditional wooden sandwich sound-absorbing board is improved, the defects of low strength, poor corrosion resistance, poor fire resistance and the like of the traditional wooden sandwich sound-absorbing board are overcome, and a novel heat-insulating and sound-absorbing structure integrating excellent high-frequency, medium-frequency and low-frequency absorption characteristics, mechanical properties, safety and heat-insulating and high-temperature properties is obtained.

The invention discloses heat insulation energy-saving new material WO3 nanometer powder. The primary particle size is lower than 40nm. The powder comprises the following components by weight in the following usage: 40 to 80 parts of WO3 powder, 20 to 30 parts of Sn(OH), 2 to 8 parts of Sb(OH)3, 20 to 40 parts of Cs2O powder, 40 to 50 parts of mixed solution and 40 to 55 parts of ammonia water, wherein the mixed solution is mixed solution of carbinol and deionized water with the volume ratio as 1:1, and the mass percent density of the ammonia water is 25% to 28%. In addition, the preparation method of the heat insulation energy-saving new material WO3 nanometer powder is further disclosed. The heat insulation energy-saving new material WO3 nanometer powder and the preparation method can be widely used for preparing high performance heat insulation glass and high performance heat insulation window films and have very important social economical value.

The invention discloses a gasket of an electric oven, which relates to the technical field of production of gaskets. The gasket of the invention comprises a glass fiber cloth and silica gel, wherein the silica gel covers outside the glass fiber cloth. The gasket of the invention has high insulation property and good high temperature resistance, ensures safe use, and can be used for infinite times theoretically. Even part of the gasket is damaged or ruptured, the gasket can be used as usual, and the gasket can be cleaned conveniently by washing with water or wiped with a dry or wet cloth to remove dirt thereon. The gasket of the electric oven also has the characteristic of no volatile toxic substance after being heated at high temperature, and guarantees safety of eating.

The invention discloses lightweight thermal insulation concrete and a preparation method thereof, and belongs to the technical field of concrete. The lightweight thermal insulation concrete is prepared from, by mass, 33-71% of a cementing material, 7-37% of expanded perlite, 0-30% of sand, 6-38% of vitrified microbeads, 0-1.5% of bast fiber, 2-13% of ultrafine mineral powder and 19-27.4% of water.The invention further discloses a preparation method of the lightweight thermal insulation concrete. According to the lightweight thermal insulation concrete, perlite serves as coarse aggregate, vitrified microbeads and sand serve as fine aggregate, and by adding the natural bast fiber, the properties of crush resistance, tensile strength, bending resistance, shock resistance and the like of concrete are optimized; tests verify that the two thermal insulation materials of the vitrified microbeads and expanded perlite are matched with each other, the thermal insulation property of the lightweight thermal insulation concrete such as thermal insulation lightweight aggregate can be improved. By mixing a small quantity of sand, the strength can be improved on the premise that the concrete lightweight and thermal insulation properties are guaranteed, and the comprehensive performance is enhanced.