272 results about "Building insulation" patented technology

The invention relates to the technical field of pearl wool composite materials, in particular to a pearl wool composite material based on an ethylene polymer and application of the pearl wool composite material in building heat preservation, the pearl wool composite material comprises the ethylene polymer, pearl wool particles and nano aerogel, the ethylene polymer is a mixture of linear low density polyethylene and metallocene polyethylene in a specific proportion, the pearl wool particles are treated by the silane coupling agent, the particle size is 0.5-2 mm, the porosity of the nano aerogel exceeds 90%, the average pore size is 2-20 nm, the components are proportioned according to specific parts by weight, the performance of the composite material is improved through the synergistic effect, and the composite material can be used in the field of building heat preservation. The composite material disclosed by the invention has the advantages of excellent thermal insulation performance, capability of effectively reducing building energy consumption, good mechanical property, high deformation resistance, long service life, good flame retardant property, capability of guaranteeing building safety, simple preparation process, low cost, wide application, capability of being used for multiple parts of a building, convenience in construction and high comprehensive benefit.

The invention relates to the technical field of building, chemical engineering and energy heat preservation, and discloses a silicon-based aerogel composite material and a preparation method and application thereof. The invention relates to a light-emitting diode (LED) photo-curing agent, which is prepared from tetraethyl orthosilicate, methyltrimethoxysilane, allyltriethoxysilane, pentaerythritol tetra (3-mercaptopropionate), N-(3-(triethoxysilyl) propyl) furfuryl amine, N-(3-(triethoxysilyl) propyl) maleimide, a photoacid generator and a photoinitiator. The composite material has a three-dimensional porous silicon dioxide network skeleton and a polymer interpenetrating network, the three-dimensional porous silicon dioxide network skeleton is formed by copolymerization of tetraethyl orthosilicate and methyltrimethoxysilane, and the polymer interpenetrating network is formed by reaction of pentaerythritol tetra (3-mercaptopropionate) and allyltriethoxysilane. The preparation method comprises the steps of sol preparation, light curing, solvent replacement, surface hydrophobic modification and normal-pressure drying. The material shows excellent thermal insulation and mechanical properties in the fields of building heat insulation, pipeline heat preservation and cryogenic heat insulation.

The invention relates to the field of high-performance flame-retardant materials and discloses an ultra-light flame-retardant rubber foam material and a preparation method and application thereof.The ultra-light flame-retardant rubber foam material is prepared from modified carboxy nitrile rubber, a foaming agent, a foaming aid, a cross-linking agent, a flame retardant, inorganic filler, tackifying resin and a softening agent; the modified carboxy nitrile rubber is prepared by chemically grafting hexamethylol melamine. According to the invention, a nitrogen-containing structure is introduced into a polymer molecular chain, so that the material has intrinsic flame retardant property, high foaming ratio and light weight are realized, and the problems of density increase and performance degradation caused by high filling of a flame retardant in the traditional technology are avoided. The flame retardant property of the material reaches UL-94 V0 level, and the material is suitable for the fields of building heat preservation, automotive trim, cable sheaths and household appliance shock pads.

The invention provides a fiber-reinforced silicon dioxide aerogel composite material, which is characterized in that a fiber felt formed by two kinds of glass fibers is used as a reinforcing material, one kind is hollow short fibers with the average diameter of 5.0-25 microns and the length of 0.5-2.0 mm, the other kind is superfine fibers with the average diameter of 0.6-5.0 microns and the length of 0.5-3.0 mm, and the difference between the average diameters of the two kinds of fibers is at least 3 microns. The fiber reinforced composite material provided by the invention has very strong mechanical properties and very low heat conductivity coefficient, and can exert excellent thermal insulation efficiency as a building thermal insulation material.

The invention belongs to the field of building materials technology. For the problem that the building insulation material of the present stage polystyrene board is difficult to recycle after being discarded, the present invention discloses a method for composite modified asphalt using waste polystyrene and cement, comprising the following steps: waste polystyrene is cleaned, crushed into polystyrene particles for standby use after drying, then the matrix asphalt is stirred while heating, polystyrene particles and cement are mixed when being heated to 160-180 DEG C, stirring evenly, then placed in a 120-160 DEG C oven and cultivated at a constant temperature for 0.5-3h, then placed in a high-speed shearing machine and stirred at 200-400r / min for 3-10min, finally placed in a 120-160 DEG C oven and cultivated at a constant temperature for 15-60min, to obtain modified asphalt; the dosage of the waste polystyrene is 0.1-6%, and the dosage of the cement is 0.1-4%. The composite modifier composed of polystyrene / cement of the present invention can improve the high and low temperature performance of asphalt as a whole, realizes the recycling of waste polystyrene, reduces project cost, and realizes the sustainable development of civil engineering materials.

The invention relates to aerogel with high heat insulation performance and a preparation method thereof, and belongs to the technical field of aerogel materials. The aerogel is prepared from a silicon source, nano heat insulation particles, a surface modifier, a catalyst and a solvent. The nano heat insulation particles are a compound of zirconium dioxide and hollow glass beads, and the surface modifier is a mixture of trimethylchlorosilane and gamma-aminopropyltriethoxysilane. The preparation method comprises the steps of sol preparation, modification treatment, gelation, aging and supercritical drying. Through compounding and synergistic effects of specific components, the mesoporous network structure of the aerogel is remarkably optimized, so that the aerogel has ultralow normal-temperature thermal conductivity, relatively high compression strength and excellent thermal stability, and the problem that heat insulation performance and mechanical strength of traditional aerogel are difficult to consider at the same time is solved; the method is suitable for the fields of building insulation, industrial pipelines and aerospace.

The invention discloses a preparation method of hydrophobic modified silicon dioxide aerogel with low thermal conductivity. The preparation method comprises the following steps: by taking water glass-tetraethoxysilane as a composite silicon source and formamide-ethylene glycol as a retarder, hydrolyzing and mixing, and then adjusting the pH value to trigger sol-gel reaction to form wet gel; after tert-butyl alcohol aging and solvent replacement, hexamethyldisiloxane and hexamethyldisilazane dual modifiers are used for synchronous hydrophobic modification and sodium removal, and the hydrophobic modified low-thermal-conductivity silicon dioxide aerogel with a porous nanostructure is prepared through freeze drying. The method uses the composite silicon source to cooperate with the gel, so that the raw material cost is reduced; a double-modifier synchronous sodium removal process is green and efficient; the obtained aerogel has low thermal conductivity and excellent hydrophobicity, is suitable for the fields of building thermal insulation, industrial thermal insulation, aerospace and the like, and has the advantages of economy and environmental protection.

The invention provides a hydraulic balance adjusting method and system, and relates to the technical field of data processing, and the method comprises the steps: 1, dividing buildings into independent adjusting groups according to the thermal insulation performance difference of the buildings, and determining a representative building for each group; a third pressure sensor is fixed on a water return pipeline, a first pressure sensor is fixed on a heat source outlet pipeline, and a second pressure sensor is fixed on a heat exchange station inlet pipeline; step 2, recording and setting group target water flow based on each group of historical water flow, and acquiring main line pressure variation between the first pressure sensor and the second pressure sensor in real time; by grouping according to the building thermal insulation performance, deploying the sensors to monitor the pressure in real time, combining historical flow and pipe network distance dynamic compensation, and based on temperature deviation and actually measured flow closed-loop optimization, accurate hydraulic balance regulation and control are achieved, heat supply uniformity is improved, energy consumption is reduced, system stability is enhanced, and the service life of equipment is prolonged.

The present invention provides an organic and inorganic composite flexible building thermal insulation floating coating, and relates to the technical field of building coatings, the organic and inorganic composite flexible building thermal insulation floating coating comprises 1-10% of a flexible thermal insulation component, 1-20% of a rigid thermal insulation component, 0.1-1% of a tough material, 10-20% of an emulsion, 1-3% of an auxiliary agent, and 52-55% of water, according to the technical scheme, a distributed matching and combined fusion scheme is adopted, so that the aerogel material is uniformly mixed in the floating coating, a building outer wall heat insulation layer is directly realized through a brushing scheme instead of a traditional aerogel material plate hanging scheme, the construction effect is improved, and the building construction difficulty is reduced.

The utility model belongs to the field of building insulation boards, and particularly relates to an assembly type building insulation board which comprises a first installation board. Through the arrangement of the splicing mechanism and the guiding connection of a guiding block and a guiding groove, the difficulty during splicing is reduced, the contact area between the first mounting plate and the second mounting plate is increased, the existence of a splicing gap between the first mounting plate and the second mounting plate is avoided, and the heat preservation performance of the first mounting plate and the second mounting plate is improved; the caulking groove is filled by the metal strip, so that a gap between the first mounting plate and the second mounting plate is beautified, the stability of connection between the first mounting plate and the second mounting plate is improved, the stability of connection between the first mounting plate and the second mounting plate and the wall surface is improved, tedious steps of constructors are avoided, and the construction efficiency is improved. The gap between the two heat preservation plates is filled and sealed, the workload and the working difficulty of constructors are reduced, and the installation efficiency of the constructors is improved.

A device for preventing a protective pipe from sliding on a wire at a designated location is provided, which prevents the protective pipe from sliding due to vibration or the like. The device for preventing a protective pipe from sliding includes: i) a central part comprising a first part that surrounds one side of the wire and a second part that extends from the first part and surrounds the other side of the wire; ii) a first cone part formed at one end in the longitudinal direction of the first part, having a hollow inside and a diameter that increases as it moves away from the first part; and iii) a second cone part formed at the other end in the longitudinal direction of the first part, having a hollow inside and a diameter that increases as it moves away from the first part. The first cone part is provided with a first breaking part that guides the wire into the internal hollow, and the second cone part is provided with a second breaking part that guides the wire into the internal hollow.

The application relates to the technical field of temporary housing, in particular to an energy-saving building thermal insulation wall body of a concrete structure and a construction method thereof, a first shell is inlaid on one side of a concrete structure layer close to a thermal insulation layer, a first elastic bag is fixed on the inner wall of the first shell, and a moving plate is fixed on one side of the first elastic bag facing the thermal insulation layer; a second shell is inlaid on one side of the concrete structure layer close to a sealing plate, and a second elastic bag is arranged in the second shell. The position of the moving plate is controlled, the extension and retraction state of the first elastic bag is adjusted, in a high-temperature scene in summer, the moving plate can be flexibly controlled according to real-time requirements, the first elastic bag can be kept in a compressed state, and heat exchange with the external high-temperature environment is avoided. Compared with the prior art, the scheme can actively avoid the risk of heat accumulation, effectively relieve the stuffy problem in the house, and greatly improve the comfort of the temporary housing.

A Thermal Performance Forecast approach is described that can be used to forecast heating and cooling fuel consumption based on changes to user preferences and building-specific parameters that include indoor temperature, building insulation, HVAC system efficiency, and internal gains. A simplified version of the Thermal Performance Forecast approach, called the Approximated Thermal Performance Forecast, provides a single equation that accepts two fundamental input parameters and four ratios that express the relationship between the existing and post-change variables for the building properties to estimate future fuel consumption. The Approximated Thermal Performance Forecast approach marginally sacrifices accuracy for a simplified forecast. In addition, the thermal conductivity, effective window area, and thermal mass of a building can be determined using different combinations of utility consumption, outdoor temperature data, indoor temperature data, internal heating gains data, and HVAC system efficiency as inputs.

The utility model relates to the technical field of building materials, and discloses a building insulation board which comprises an insulation board body and further comprises a connecting mechanism connected to the insulation board body, notches are formed in the edges of the four sides of the lower surface of the insulation board body, and connecting holes right opposite to the notches are formed in the four ends of the insulation board body. Positioning grooves are formed in the positions, located on the two sides of the connecting holes, of the edges of the four sides of the upper surface of the heat preservation plate body, and positioning mechanisms are arranged in the positioning grooves. The insulation board bodies are provided with the notches and the connecting holes, the connecting base is inserted into the notches of the two insulation board bodies, and the two connecting boards at the upper end of the connecting base are inserted into the connecting holes of the two insulation board bodies respectively. And finally, the two insulation board main bodies can be fixed together by inserting the positioning rods into the connecting grooves, and splicing of the two insulation board main bodies can be rapidly completed. The positioning plates are pulled to drive the positioning rods to leave the interiors of the connecting grooves, and then the insulation board body can be disassembled.

The invention belongs to the technical field of wall insulation materials, and provides a flame-retardant wall insulation board and a production process thereof. According to the invention, a composite matrix is constructed through a polyurethane prepolymer and bisphenol A epoxy resin, and an interpenetrating network is formed by crosslinking an epoxy group and isocyanate, so that the mechanical strength is improved; and a quaternary flame-retardant system coated with silica sol is adopted, so that gas phase-condensed phase synergistic flame retardance is realized. According to the preparation process, step curing is combined with axial vibration to promote filler arrangement, cell collapse is avoided, low-temperature ultrasonic dispersion guarantees uniform mixing of the nano filler, and the interface adhesion is enhanced through the correlative design of the embossing depth and the plate thickness. The flame retardant property of the obtained product reaches the V-0 level and far exceeds the requirement of the national standard B1 level, the heat conductivity coefficient is superior to that of mainstream products in the market, and the product has excellent heat preservation and heat insulation performance and high safety and has remarkable application value in the field of building heat preservation.

The application discloses a kind of high-iron infrastructure special artificial crystal mica large sheet preparation equipment, it is characterized in that, it includes pedestal body, melt furnace being installed above pedestal body, heating body and graphite mould being installed at melt furnace central axis, the top of the melt furnace is provided with feed inlet;The base and the bottom of the melt furnace are filled with filler, the bottom of the graphite mould is buried in the filler, and the upper part of the graphite mould is above the filler;The graphite mould is connected by upper body and lower body and is composed, and the upper body and the lower body are communicated by connecting hole. The equipment can prepare 10-60cm 2 size mica large sheet.

The utility model discloses an assembly type building insulation board, which relates to the technical field of insulation boards and comprises a framework layer, a mounting groove is arranged in the framework layer, a mounting frame is fixedly mounted in the mounting groove, an adhesive layer is arranged on one side of the framework layer, an insulation layer is fixedly mounted on the framework layer, and a protective layer is fixedly mounted on one side of the insulation layer. The beneficial effects of the utility model are that: through the protective layer can protect the thermal insulation layer, by means of its good uvioresistant ability, it is not easy to fade and discolor, the service life of the structure is increased, the functionality of the structure is improved, through the drainage waterproof plate, the top can be protected, and the service life of the structure is prolonged. In rainy days, drainage can be performed by means of the inclined surface, corrosion caused by long-time retention of rainwater at the top of the framework layer is prevented, and meanwhile, compared with a common thermal insulation material, the drainage waterproof plate is more waterproof and moisture-resistant by means of the material characteristics of the drainage waterproof plate.

The utility model discloses an aggregate mixing device for preparing a building insulating brick, and relates to the technical field of insulating brick preparation. The raw material mixing device comprises a mixing assembly, an adjustable material screening assembly is arranged in the mixing assembly, a transmission assembly is arranged on the outer surface of the mixing assembly, a material returning assembly is arranged on the outer surface of the mixing assembly, the mixing assembly is used for mixing various raw materials, and the adjustable material screening assembly is used for separating qualified products from unqualified products. The adjustable material screening assembly and the material returning assembly are connected, the adjustable material screening assembly and the material returning assembly are both connected with the mixing assembly, when the mixing assembly pushes aggregates to pass through the adjustable material screening assembly, qualified aggregates penetrate through the adjustable material screening assembly and then are directly discharged, and unqualified aggregates can be pushed into the material returning assembly by the mixing assembly; and automatic screening of the aggregate can be achieved in the discharging stage, the labor intensity of workers is relieved, the situation that unqualified aggregate influences subsequent machining is avoided, and using is more convenient.

The utility model provides a building insulation board convenient to install, and relates to the technical field of insulation boards, the building insulation board convenient to install comprises a wall body, one side of the wall body is fixedly connected with a positioning assembly, the positioning assembly is composed of a positioning frame, a limiting sliding groove, a limiting sliding block, an inserting rod and a first insulation board, and one side of the positioning frame is fixedly connected to one side of the wall body. According to the building insulation board convenient to install, through the arrangement of the positioning assembly, when the building insulation board convenient to install is used, a limiting sliding block slides into a limiting sliding groove, meanwhile, the limiting sliding groove limits the limiting sliding block, and after the limiting sliding block is attached to the limiting sliding groove, an inserting rod is inserted into the first insulation board, so that the first insulation board is connected with the positioning frame; the positioning frame can position the first insulation board when the first insulation board is installed, so that the installation position is prevented from deviating, the effect of improving the installation convenience of the insulation board is achieved, and the situation that the installation time is prolonged and the installation error is increased due to the fact that the insulation board is difficult to keep horizontal and vertical in the installation process is avoided.

The utility model discloses an integrated non-dismantling formwork structure of a heat preservation structure for an ultra-low energy consumption building, which relates to the technical field of building heat preservation and comprises a composite heat preservation plate and a graphite polystyrene plate which are distributed in a long-edge staggered manner and are adhered together through flame-retardant polyurethane foam glue. The graphite polystyrene board is fixed on a building wall body through a heat-insulating bridge anchor bolt, the heat-insulating bridge anchor bolt is located at a splicing seam between the two spliced composite insulation boards, the edge of the graphite polystyrene board is provided with a fixing hole, the heat-insulating bridge anchor bolt is inserted into the fixing hole, the thickness of the composite insulation board is 40mm, the thickness of the graphite polystyrene board is 50mm, and the thickness of the composite insulation board is 50mm. The middle core material of the composite insulation board is a vacuum insulation board. The thickness of the heat preservation structure is only 90 mm, materials are saved, carbon emission is reduced, the heat resistance value R can be larger than 5.71 m < 2 > K / W, the heat transfer coefficient value K is smaller than 0.175 W / m < 2 >. K, and the requirement that the ultra-low energy consumption value K ranges from 1.5 W / m < 2 >. K to 3 W / m < 2 >. K is met.

The utility model relates to the field of building heat preservation, and discloses a structural heat preservation integrated wallboard which comprises a concrete wall, a heat preservation plate is arranged on one side of the concrete wall, a plurality of heat preservation sleeves are arranged on one side of the heat preservation plate, two sets of toughness plates are arranged on the outer wall of each heat preservation sleeve, and one end of each heat preservation sleeve is fixedly connected with a nylon disc. A plurality of guide holes are formed in one side of the nylon disc, the guide holes are formed in an annular array at equal intervals, the shrinkage mechanism is arranged on the outer side of the heat preservation sleeve and used for bending one end of the tough plate, and a connecting ring is pulled towards the front side of the heat preservation plate so that the tough plate can be bent; and the connecting ring can conveniently drive the multiple extrusion plates to extrude one ends of the multiple tough plates correspondingly, so that when the heat preservation sleeve is obliquely installed in the preformed hole, one ends of the multiple tough plates do not make contact with the inner wall of the preformed hole, and workers can conveniently pull the heat preservation sleeve out of the preformed hole for reinstallation.

The present invention relates to a porous article comprising inorganic particles comprising from 3 to 35 wt.-%, based on the total amount of the porous article, inorganic fillers with anisotropic shape, at least one surfactant and a geopolymer obtained from polycondensation of repeating units comprising silicate ions and aluminate ions, which are derived from the inorganic binder comprising aluminosilicates in the presence of an activator comprising a water-soluble inorganic silicate, wherein the pores of the porous article having a mean pore size of not more than 2.0 mm; a process for producing said porous article; and the use of said porous article for building insulation.

The invention relates to the technical field of foam glass, in particular to building heat preservation foam glass surface toughening, soaking and drying integrated equipment which comprises a soaking mechanism, a drying mechanism is arranged at the top of the soaking mechanism, the soaking mechanism comprises a base, and a foam glass connecting assembly is fixedly connected to the inner side of the front side of the top of the base. The drying mechanism comprises a push-pull frame, and drying assemblies are fixedly connected to the top and the bottom of the front side of the inner side of the push-pull frame. By arranging the soaking mechanism and the drying mechanism, the integrated operation process of soaking toughening, pushing soaking and drying after soaking of the foam glass is achieved, the production efficiency is greatly improved, and in the soaking toughening stage, the product quality is improved. Through the precise mechanical structure design and the stable clamping of the hydraulic push rod, the stability and safety of the foam glass in the soaking process are ensured, through the design of the pushing soaking mechanism, the automatic operation from placing to soaking of the foam glass is achieved, and manual intervention is reduced.

This utility model discloses a building insulation board that is easy to install. The insulation board has a through-hole on its front side, and an installation tube is fixedly installed inside the hole. A pushing component is installed inside the installation tube, and a pushing rod is installed inside the installation tube via the pushing component. A locking component is provided on the surface of the pushing rod, and a rectangular through-groove is provided on the surface of the installation tube. The installation tube is inserted into the installation hole through the insulation board, and the pushing component moves the pushing rod, causing the pushing rod to push the locking component into contact with the inner wall of the installation hole. This locks the installation tube inside the installation hole, thus installing the insulation board. This method eliminates the need for expansion screws and L-shaped fixing brackets, reducing the number of steps required for insulation board installation and increasing the installation speed, allowing more insulation boards to be installed in the same amount of time.

The invention provides an intermittent expandable polystyrene fireproof insulation board vacuum adsorption production system, and belongs to the technical field of building insulation material production equipment. The system comprises a feeding unit, a correction detection unit, a vacuum permeation unit, a slurry scraping and loading unit, a vacuum power unit, a slurry preparation unit, an auxiliary continuous batching system and a whole-line automatic cleaning system which are connected in sequence, and all the units are linked through a control system. Through the collaborative design of intermittent vacuum infiltration, dynamic recovery and automatic cleaning, efficient, stable and low-consumption production of the fireproof insulation board is achieved.

The invention relates to a device and a method for foaming building materials with CO₂ 2 for the production of a building component and / or building insulation. The device comprises a conveying device (2) and, downstream, a construction material line (3) in which one or more injection nozzles (4) are arranged to inject liquid CO into the stream of construction material. 2 to inject. The pressure level in the building material line (3) is maintained such that the injected CO₂ 2 remains in its liquid state. The building material as well as the CO 2 downstream they enter a mixing device (9) and then at least one or more decompression pumps (11), which ensure controlled decompression of building material and liquid CO₂ 2without significant cooling and segregation. Downstream, a dispensing device (19) is arranged, which is configured to dispense the material for the production of a component and / or building insulation. Depending on the addition of CO 2 This allows the layers within a component to be modified with respect to their density and thus their properties in terms of load-bearing capacity, heat transfer, and mass. If the amount of CQ is kept constant during the process, 2 injected, which the building material in gaseous CO 2 The material that can be absorbed in the suspension forms a building material foam, for example, in the form of building insulation. The invention further comprises a corresponding method for manufacturing components using such a method.

1. Name of the product in this design: Self-insulating mortise and tenon block. 2. Purpose of this design: Self-insulating blocks for building insulation walls. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to the technical field of building insulation boards, in particular to a composite building insulation formwork which comprises an insulation board body and embedded reinforcing rods. The insulation board body is formed by compounding and fixing a layer body structure and a connecting layer; concrete is coated and filled between the connecting layer and the surface of the wall body, and after the concrete is solidified, a concrete layer is formed between the connecting layer and the surface of the wall body; the connecting layer is fixedly connected with the surface of the wall body through the concrete layer, the embedded reinforcing rod is embedded in the wall body and extends to the outside of the wall body, and the embedded reinforcing rod is inserted into the heat insulation board body, the connecting layer and the surface of the wall body are firmly connected through the concrete layer, and meanwhile the embedded reinforcing rod is embedded in the wall body; the parts, extending out of the wall body, of the pre-buried reinforcing rods are inserted into the heat preservation plate body, the whole heat preservation plate body can be supported and reinforced, supporting provided by fixed connection of the pre-buried reinforcing rods and the concrete layer is mutually supplemented, the double supporting and reinforcing effect is achieved, and it is guaranteed that the whole heat preservation plate body is firm and not prone to falling off in severe weather.

The application relates to the technical field of building insulation boards, and discloses a building insulation board and a grid cloth wrapping equipment. The building insulation board comprises a base plate, a sticking layer connected with the base plate, an energy storage layer connected with the sticking layer, a main insulation layer connected with the energy storage layer, a buffer layer connected with the main insulation layer, and a protective layer connected with the buffer layer. A plurality of convex point textures are arranged in the protective layer, and the thickness of the convex point textures is 0.1-0.3 mm. The buffer layer comprises at least two layers of structures, namely a first protective layer and a second protective layer. The first protective layer wraps the second protective layer, and the density of the first protective layer is greater than that of the second protective layer. The convex point textures are arranged on the surface of the insulation board. The buffer layer with the gradient structure can reduce the overall gravity on the basis of ensuring the protection capability. The filled silicon dioxide aerogel can solve the problem of insulation failure of a traditional vacuum board after damage.