64results about How to "Improve flame retardant and heat insulation effect" patented technology

The present invention provides a material with characteristics of fire retardation, thermal insulation and wave absorption. The material comprises a base layer, wherein the base layer is mesh fabric, both sides of the mesh fabric are coated with an adhesive coating layer, and the adhesive coating layer is a polyvinylchloride adhesive coating layer. The adhesive coating layer comprises a wave absorption agent, wherein the wave absorption agent comprises nickel-plated glass beads, and a mass ratio of the wave absorption agent powder to the adhesive is 0.17-1.85:1. The present invention further provides a preparation method for the material. According to the material with characteristics of fire retardation, thermal insulation and wave absorption in the present invention, the polyvinylchloride adhesive is added with the wave absorption agent, such that functions of fire retardation, thermal insulation and wave absorption can be concurrently provided; the material of the present invention can concurrently has functions of fire retardation and thermal insulation, and characteristics of high wave absorption strength, wide wave absorption frequency band, and small surface density; and the material of the present invention can be used for wave absorption defilading, electromagnetic shielding, and the like.

The invention relates to water-based intumescent flame-retardant paint based on modified boron nitride and a preparation method thereof. Firstly, by means of isopropanol liquid-phase mechanical ball milling and N,N-dimethylformamide assistant ultrasound, hexagonal boron nitride is exfoliated, and then the exfoliated boron nitride, water-based styrene-acrylic core-shell emulsion, ammonium polyphosphate, pentaerythritol, melamine, hydroxyethyl cellulose, a defoaming agent, a dispersion agent and water are prepared into the water-based intumescent flame-retardant paint according to a certain ratio. An intumescent carbon layer formed by the flame-retardant paint at high temperatures is compact and firm, the water-based intumescent flame-retardant paint based on the modified boron nitride has efficient flame-retardant performance, the preparation method thereof is simple, the film-forming performance is excellent, and water-based environment-friendliness is achieved.

The invention discloses a base geopolymer binding agent. At present, a binding agent for a fire-proof door has volatile gas and free formaldehyde, has toxic and harmful substances which exceed the standard seriously, is poor in high-temperature-resistant performance, inflammable, non-water-resistant and poor in temperature variation stability, and is extremely easy to dissolve, scatter and expand. The base geopolymer binding agent is prepared from the following raw materials in parts by weight: 95-105 parts of sodium water glass, 15-35 parts of mineral waste residues, 3-6 parts of calcium carbonate, 8-15 parts of quick lime, 8-15 parts of metakaolin, 0.5-1 part of aluminum triphosphate, 0.5-2 parts of retarder and 1-2 parts of emulsion; the raw materials are stirred and cured to obtain the base geopolymer binding agent. The base geopolymer binding agent disclosed by the invention does not need to add a curing agent, does not need hot-press curing, has the advantages of high strength, chemical corrosion resistance, water resistance, high temperature resistance, durability and the like, also has good flame-retardant and heat-insulation effects, is extremely strong in water resistance, does not have water absorption and swelling phenomenon, and can reach a fireproofing grade of grade A. By virtue of detection, the prepared binding agent disclosed by the invention has a binding strength of more than or equal to 5mPa, is non-inflammable, does not absorb water and moisture, and is non-toxic and harmless.

The invention provides an efficient flame-retardant heat insulation composite fabric and an application. The efficient flame-retardant heat insulation composite fabric comprises a surface fabric, a middle layer and a lining fabric, modacrylic and Lenzing flame-retardant viscose fiber blended yarns serve as warp yarns of the surface fabric, aramid fiber 1313, aramid fiber 1414 and conductive fiberblended yarns are weft yarns, a surface layer is further provided with a nano-ceramic coating, the middle layer is mixture of aerogel and polyurethane, one or two of silicon-nitrogen flame-retardant viscose fibers, aramid fibers 1313, polysulfonamide and polyimide fibers are blended to form the lining fabric, and the middle layer is arranged between the surface layer and a lining layer and fittedwith the surface layer and the lining layer through flame-retardant adhesives. The efficient flame-retardant heat insulation composite fabric is used for manufacturing a flame-retardant heat insulation garment. The efficient flame-retardant heat insulation composite fabric is high in washing fastness by the aid of plasma treatment, the nano-ceramic coating and the middle layer of aerogel and shapememory polyurethane mixture are arranged, flame-retardant heat insulation effects are long and high, and the efficient flame-retardant heat insulation composite fabric has antibacterial health care functions and is widely applied.

The invention provides a compound foaming manufacturing method for a polypropylene foaming material and relates to a plastic foaming technology. The compound foaming manufacturing method comprises the following steps: uniformly mixing the following raw materials by weight part: 85-95 parts of polypropylene with high melt strength, 25-35 parts of silicon carbonate, 10-20 parts of calcium carbonate, 10-20 parts of sodium bicarbonate and 1-5 parts of PP (Polypropylene) master batch, and then putting into a hopper of a plastic extruding machine; increasing the temperature to 100-280 DEG C; plasticizing while mixing for 90-150min and chemically foaming; after uniformly melting and plasticizing the melt in the middle section of a barrel of the plastic extruding machine, injecting an inert gas foaming agent under a 8-15MPa condition, wherein the injection volume of the inert gas is 1-5% of the weight of the melt; keeping for 30-60min, reducing the pressure to the normal pressure, and physically foaming; and lastly, extruding the plasticized melt out of a T-shaped head opening mould, and rolling, thereby obtaining a compound foamed polypropylene sheet. The foaming power of the compound foamed polypropylene sheet can reach 5-15 times. The compound foamed polypropylene sheet has excellent anti-flaming heat-insulating property and excellent mechanical properties, such as tensile strength, and flexural strength.

The invention relates to an anti-static high-temperature-resistant fabric which comprises a piece of base cloth, an anti-static high-temperature-resistant coating and fire-retardant glue. A manufacturing method for the anti-static high-temperature-resistant fabric comprises the following steps: step 1, taking a high-density knitted fabric as the base cloth, and coating the base cloth with special anti-static high-temperature-resistant paint; step 2, according to certain proportion, adding butanone, polyurethane, an accelerant and phosphate into a container for sufficient mixing and uniform stirring to prepare the fire-retardant glue, and spraying the fire-retardant glue onto both the front and back surfaces of the curtain base cloth coated with the special anti-static high-temperature-resistant paint; step 3, conducting washing, drying and baking on the base cloth treated in step 2 to prepare the anti-static high-temperature-resistant fabric. The anti-static high-temperature-resistant fabric has the advantages that through the adoption of the special anti-static high-temperature-resistant paint, not only the good anti-static effect but also the excellent fireproof and high-temperature-resistant properties can be achieved; meanwhile, the knitted base cloth is coated with the special anti-static high-temperature-resistant paint, and the problem of stress and deformation of the knitted fabric during coating is solved, so that the produced coated fabric is high in flame-retardant property and washing durability.

The invention discloses an additive composite used for preparing expandable polystyrene, and a preparation method and an application thereof. The additive comprises the following raw materials in parts by weight: 0.5-2 parts of pore regulator, 0.1-1 part of plasticizer, 2-8 parts of heat insulation agent, and 1-4 parts of synergistic flame retardant, wherein the pore regulator is polyolefin wax of which the dropping point is 95-135 DEG C, the needle penetration is less than 1mm at 25 DEG C, and the kinematic viscosity is less than 2000mm<2> / s at 149 DEG C; the plasticizer is olefin polymer without a polar functional group, and the kinematic viscosity of the olefin polymer is less than 20mm<2> / s at 100 DEG C; the heat insulation agent is graphite; and the synergistic flame retardant is antimony oxide or zinc borate. According to the preparation method of the additive provided by the invention, extruding granulation can be completed without the need for carriers and dispersing agents. The additive provided by the invention is convenient to convey, store and charge, and when the expandable polystyrene prepared by adding the additive is used for manufacturing a foaming product, the foaming efficiency is high, the cycle is short, environment is protected, and the characteristics of heat insulation and flame retardance are good.

The invention discloses a fireproof seismic-isolating rubber support which comprises a seismic-isolating rubber support and heat-insulating fireproof components. Protecting rubber of the seismic-isolating rubber support is rubber high in flame retardance and heat insulativity, the heat-insulating fireproof components coat two ends of the seismic-isolating rubber support, each heat-insulating fireproof component comprises a thick fireproof coating, high-temperature-resistant cloth and high-temperature-resistant heat-insulating layers sequentially from inside to outside, and the high-temperature-resistant heat-insulating layers are stacked, combined and fixed on the periphery of the corresponding high-temperature-resistant fireproof cloth layer by layer and are of a louver structure. The fireproof seismic-isolating rubber support has good flame-retardant and heat-insulating effect. Even if an earthquake occurs, the seismic-isolating rubber support can generate horizontal shearing deformation to protect an upper structure of a building and has good fireproof and heat-insulating effect at ordinary times; when a fire disaster occurs, the seismic-isolating rubber support can well prevent a high-temperature heat source from influencing the fireproof seismic-isolating rubber support, and the fireproof seismic-isolating rubber support meets first-grade fireproof requirements.

The invention discloses a flame-retardant reflective heat-insulating paint and a preparation technique thereof. The flame-retardant reflective heat-insulating paint comprises the following components in parts by weight: 25-35 parts of acrylic emulsion, 10-25 parts of butyl acetate, 5-15 parts of halogen-free flame retardant, 2-12 parts of heat-reflection heat-insulating powder, 10-20 parts of hollow microbead, 1-8 parts of coupling agent, 2-7 parts of leveling agent, 3-9 parts of film-forming assistant and 20-30 parts of deionized water. The flame-retardant reflective heat-insulating paint is free of halogens, and thus, is nontoxic and environment-friendly. The flame-retardant reflective heat-insulating paint has the advantages of high thermal resistance, high reflectivity and favorable radiant heat transfer performance, can simultaneously have the functions of heat insulation and flame retardancy, has more balanced flame retardancy and heat-insulating property, can implement better flame-retardant and heat-insulating effects, and is suitable for the field of decoration of dwelling houses, school buildings, hotel buildings and other buildings.

The invention provides a preparation method of a heat insulating and flame retardant silicon nitride ceramic coating material and a coating, the preparation method comprises the following steps: grinding a silicon nitride powder till the particle size is 100-200 nm; and adding a resin, silicone oil and the like to obtain resin slurry containing the silicon nitride powder, namely the heat insulating and flame retardant silicon nitride ceramic coating material. The preparation method has the following beneficial effects that: 1, the difficult problem of high sintering temperature of a silicon nitride ceramic is ingeniously solved, the concept is that the surface of a carbon fiber plate is coated with a porous silicon nitride ceramic coating, and the porous silicon nitride ceramic coating with a heat insulating property is finally formed along with the controllable volatilization of an organic matter in the coating under the working conditions, so that the heating insulating and the flame retarding of the carbon fiber plate are realized, and therefore, the heat insulating and flame retardant coating with excellent heat insulating and flame retardant properties is successfully prepared; and 2, the method is simple in process, is environmentally friendly, and is suitable for large-scale industrial production.

The invention provides a fireproof corrosion-resistant shock insulation support. The fireproof corrosion-resistant shock insulation support comprises an upper structure bearing platform, a lower foundation bearing platform, a lead core laminated rubber shock insulation support body, an outer wrapping rubber layer, an outer ring protection rubber layer, a fireproof coating layer, a flexible filling material and a connecting steel plate, Wherein the outer rubber wrapping layer is wrapped around the periphery of the lead core laminated rubber shock insulation support body and is connected with the connecting steel plate in a vulcanization mode, the outer ring protection rubber layer is arranged on the periphery of the outer rubber wrapping layer to form a ring shape and is connected with the outer rubber wrapping layer in a vulcanization mode, the space between the outer rubber wrapping layer and the outer ring protection rubber layer is filled with the flexible filling material, and the surface of the connecting steel plate is coated with the fireproof coating layer. The fireproof corrosion-resistant shock insulation support has the beneficial effects that the horizontal shock insulation performance of the lead core laminated rubber shock insulation support body is not affected, the vertical bearing capacity of a traditional lead core laminated rubber shock insulation support can be effectively protected in a fire disaster, and the deformation capacity of the lead core laminated rubber shock insulation support body in the horizontal direction is not affected.

The invention provides a flame-retardant thermal-insulating polyester fiber curtain and a preparation method thereof. The curtain includes a polyester fiber base cloth and a flame retardant coating layer, the flame retardant coating layer is made from the materials of waterborne polyurethane emulsion, polyvinyl alcohol, tributyl phosphate, anionic surfactant, coupling agent, ultraviolet absorbent, triethanolamine, glass fiber, filler, defoaming agent, ammonium phosphate and water. The preparation method comprises the steps that firstly waterborne polyurethane emulsion, polyvinyl alcohol, tributyl phosphate, anionic surfactant, coupling agent, ultraviolet absorbent, triethanolamine, glass fiber, filler, defoaming agent, and ammonium phosphate are added into water, ultrasonic dispersion and grinding are conducted, and then coating is conducted on the polyester fabric, and after glue spraying and drying, the polyester fiber curtain is prepared. The flame-retardant thermal insulation polyester curtain has good flame-retardant and thermal-insulating properties and feels comfortable and soft.

The invention discloses an inorganic insulated flexible fireproof cable for rail transit. The cable includes a copper core conductor, an inorganic insulation layer, a rubber insulation layer, an inorganic fire barrier layer and a fiberglass braiding layer, wherein the inorganic insulation layer is overlaid on an outer surface of the copper core conductor, the rubber insulation layer is extruded on an outer surface of the inorganic insulation layer, the copper core conductor, the inorganic insulation layer and the rubber insulation layer are fixed by wire core stranding, and the inorganic fire barrier layer is extruded on an outer surface of the rubber insulation layer. The cable is advantaged in that through setting the inorganic insulation layer and the fiberglass braiding layer, fire resistance and safety of the fireproof cable can be effectively improved, the spread of the flame is blocked to protect the cable, through setting a telescopic sleeve and a combination clamping board, distribution of stranding distances of the fireproof cable is more uniform, processing quality of the cable is improved, the cable is more stable in stranding production operation, and stability of cable stranding is improved.

The invention discloses a sound absorption plate and a preparation method thereof. The sound absorption plate is prepared from the following raw materials in parts by weight: 30 to 50 parts of gypsum powder, 20 to 30 parts of bamboo carbon fiber, 8 to 15 parts of glass fiber, 1 to 5 parts of attapulgite clay, 5 to 10 parts of blast furnace slag, 1 to 3 parts of magnesium oxide, 0.6 to 2.8 parts of an inorganic adhesive, 0.5 to 1.6 parts of a water repellent and 0.2 to 0.8 part of a flame retardant. The preparation method of the sound absorption plate comprises the steps of purification of the attapulgite clay, preparation of a substrate material, preparation of a molding blank and natural maintenance. The components of the sound absorption plate are safe and environment-friendly, and the sound absorption plate is good in waterproofing and flame retardancy effect and can isolate sound and heat; the intensity and the hardness of a gypsum board are retained.

The invention relates to a high-temperature-resistant heat-insulation fireproof sleeve and a preparation method thereof. The high-temperature-resistant heat-insulation fireproof sleeve comprises a framework layer, the outer surface of the framework layer is wrapped with a heat-insulation layer, the outer surface of the heat-insulation layer is provided with a braided layer, and the outer surface of the braided layer is provided with a coating layer. The preparation method of the high-temperature-resistant heat-insulation fireproof sleeve comprises the following steps of (1) preparing a flexible hose from a heat-resistant material through a pipe extruder to serve as the framework layer; (2) coating aerogel on the outer surface of the framework layer to serve as the heat-insulation layer; (3) weaving heat-resistant fibers on the outer layer of the heat-insulation layer by using a three-dimensional weaving process to serve as the braided layer 3; and (4) laminating flame-retardant thermoplastic resin on the outer layer of the braided layer to serve as the coating layer 4. The high-temperature-resistant fireproof sleeve prepared through the method has the advantages of high temperatureresistance, good heat insulation property, good flexibility, non-flammability, aging resistance, electrical insulation, water resistance, oil resistance and the like, can be exposed in an environmentof -50 DEG C to 260 DEG C for a long time, can be continuously used for 15-20 minutes in an environment of 1030 DEG C, and can be used for 15-30 seconds at the high temperature of 1600 DEG C; and thehigh-temperature-resistant fireproof sleeve is used for conveying inflammable fluid hazardous chemicals such as an oil conveying pipeline and a chemical conveying pipeline, potential safety hazards can be greatly reduced, and accident losses are reduced to the minimum.

The invention discloses a manufacturing process of a medium-voltage fireproof cable for intelligent early warning communication. The medium-voltage fireproof cable for intelligent early warning communication comprises a power transmission unit and an optical transmission unit, and the power transmission unit is formed by a copper conductor, a conductor shielding layer, an insulating layer and an insulating shielding layer which coats the outer surface of the copper conductor from inside to outside, and a metal shielding layer coating the outer surface of the insulating shielding layer. The power transmission unit and the optical transmission unit are wrapped by a wrapping tape to form a first winding layer, the outer surface of the first winding layer is coated with an oxygen barrier layer, and the outer surface of the oxygen barrier layer is coated with a refractory layer. The outer surface of the refractory layer is coated with a second winding layer, and an outer sheath is extrudedon the outer surface of the second winding layer. The prepared cable has good heat insulation and flame retardant performance and is used for a distributed optical fiber temperature measuring system to achieve the purpose of timely detecting a disaster and emitting an early warning in the early stage of fire, and a time guarantee is provided for escape and disaster relief.

The invention discloses a multi-functional safety protection electric blanket made by polysulfonamide. The multi-functional safety protection electric blanket comprises a flexible heating element and thermal insulating layers arranged on upper and lower surfaces of the flexible heating element. Surfaces, away from the flexible heating element, of the thermal insulating layers are provided with flame-retardant fabric layers. A spun-laced non-woven fabric layer is arranged between the flexible heating element and a thermal insulating layer above the flexible heating element. In extremely-cold winter, the multi-functional safety protection electric blanket is electrified for heating such that a bed becomes warm and comfortable. At the general temperature in winter, excellent warming performance of polysulfonamide is given so that the effect of a warm mattress is fulfilled. The multi-functional safety protection electric blanket made by polysulfonamide has following beneficial effects: excellent flame-retardant and heat-insulating effects are obtained; the technical feature of the higher flame-retardant requirement for firefighter's protective clothing is satisfied such that the effect of safety protection of the blanket is achieved; and if family fire occurs, the invention can be used as a safe escape protection blanket for a family.

The invention discloses an indoor wood door with a deodorization purifying function. The indoor wood door comprises a wood door main body, wherein a cavity is formed in the wood door main body, and vertical plates are vertically fixedly mounted in the cavity; flame retarding layers are arranged on the opposite surfaces of the two vertical plates, and transverse plates are fixedly mounted on the back-to-back surfaces of both vertical plates; reinforcing components are fixedly mounted on both the upper and lower side surfaces of the two transverse plates; placing grooves are formed in both the front and the back of the wood door main body, and absorptive layers are arranged in both placing grooves; and mounting grooves are formed in the positions, opposite to the placing grooves, on the right side surface of the wood door main body. By arranging the placing grooves in the wood door main body and utilizing the placing grooves to accommodate activated carbon cotton, the absorptive layers are made, absorption purification is carried out on indoor air through air holes, and accordingly, the cleanliness of the indoor air can be ensured. At the same time, by utilizing mounting bolts to fixa mounting block, the absorptive layers in the placing grooves can be conveniently changed.

The embodiment of the invention discloses a preparation method of heat-conducting and wave-absorbing composite aerogel and the heat-conducting and wave-absorbing composite aerogel. The method comprises the following steps: step 1, coating multi-walled carbon nanotubes (MWCNTs) with silicon dioxide (SiO2) to prepare a SiO2 (at) MWCNTs nano composite material, and carrying out surface modification on the SiO2 (at) MWCNTs nano composite material; step 2, weighing polyvinylpyrrolidone, ethylene glycol and ferric chloride hexahydrate, mixing to obtain a Fe < 3 + > precursor solution, then adding the surface-modified SiO2 (at) MWCNTs nano composite material to obtain a mixed solution, then transferring the mixed solution into a reaction kettle for reaction, and drying to obtain a Fe3O4 (at) SiO2 (at) MWCNTs ternary nano composite material; 3, carrying out surface modification on the Fe3O4 (at) SiO2 (at) MWCNTs ternary nano composite material, then adding into water, and carrying out ultrasonic dispersion to prepare a suspension; step 4, adding phytic acid PA and alginate into the suspension while stirring, and then adding glucolactone to obtain a composite gel solution; and 5, introducing the composite gel solution into a mold, and freeze-drying to obtain the composite aerogel.

The invention relates to the technical field of coatings, and discloses a flame-retardant coating. The parts by weight of the components are: 30-45 parts of modified alkyd resin, 10-15 parts of cyclohexanone, 10-15 parts of titanium dioxide, and talcum powder 5‑8 parts, 3‑8 parts of ammonium polyphosphate, 5‑10 parts of hydroxyethyl cellulose, 5‑10 parts of water-based acrylic acid, 6‑9 parts of zeolite powder, 1‑5 parts of nano silver oxide, 10 parts of disinfectant 15 parts, 3-5 parts of defoamer, 5-10 parts of chromium trioxide, 5-10 parts of china clay, 3-5 parts of iron red, 5-10 parts of leveling agent. It has good anti-corrosion effect, long service life, and good flame-retardant and heat-insulating effect.

The invention discloses an aluminum phosphate gum-based halogen-free high-expansion type flame-retardant heat-insulating fireproof coating material preparation method, which comprises: pre-preparing aggregate from ammonium polyphosphate, sodium borate, potassium nitrate, mullite powder, alpha-aluminum oxide and vermiculite powder, mixing a latex liquid as a matrix and the aggregate to prepare a fireproof coating material, and carrying out other steps, wherein the latex liquid is generated by a reaction of aluminum hydroxide and phosphoric acid. According to the invention, the coating materialhas a good interface bonding effect, can be wetted and adhered to various materials, is firmly bonded with a protected matrix after being burned, is suitable for various materials such as metal materials, glass fiber reinforced plastics, wooden products and the like, and has high foaming expansibility after meeting fire, wherein the thickness of 1.5 mm can be expanded to 11 mm after the coating material meets fire, the expansion rate reaches up to 633%, and holes with different sizes and sponge-like layers are formed in the coating material; and the fireproof coating material can insulate andreduce the flame (900-1100 DEG C) of a butane spraying gun to not higher than 130 DEG C within 20 min, and to not higher than 90 DEG C within 10 min.

The invention discloses a high-strength flame-retardant heat-insulation composite door and window, and relates to the field of composite doors and windows. The high-strength flame-retardant heat-insulation composite door and window is prepared by uniformly mixing a wood-ceramic composite material with aerogel fibrofelt and then carrying out hot press molding, wherein the aerogel fibrofelt accountsfor 1.5%-3.6% of the mass of the wood-ceramic composite material, and the wood-ceramic composite material is composed of a wood-plastic composite material, low-melting-point glass powder, a dispersing agent, a binder and a defoaming agent. By adding the low-melting-point glass powder, the mechanical strength of the composite door and window is greatly improved, so that the composite door and window has excellent flame retardant property; and by introducing the aerogel fibrofelt, the composite door and window has the advantages of fire resistance, flame retardance, sound insulation and shock absorption, and can meet the high requirements of people on modern buildings.

The invention provides a water-based paint for a tower crane, and a preparation method thereof. The water-based paint is prepared from, by weight, 40 to 50 parts of a hydroxypropyl phosphate-based fluorine-containing acrylic acid copolymer, 5 to 10 parts of ethylenediamine tetramethylene phosphonic acid modified polyethylene glycol, 1 to 5 parts of a metal organic framework, 1 to 5 parts of heptakis(6-amino-6-deoxy)beta-cyclodextrin, 10 to 20 parts of water, 15 to 25 parts of a filler, 1 to 3 parts of a coalescing agent, 1 to 3 parts of an emulsifier and 1 to 3 parts of a leveling agent. The invention further discloses the preparation method of the water-based paint for the tower crane. The water-based paint for the tower crane, disclosed by the invention, has the advantages of low preparation cost, more excellent comprehensive performance, good flame-retardant and heat-insulating effects, excellent water resistance, alkali resistance, wear resistance and weather resistance, small influence on the environment, safety in use, greenness and environmental friendliness.

The invention discloses a sound-absorbing and heat-insulating automotive interior material and a preparation method thereof. The material comprises, by weight, 30-50 parts of polyurethane resin, 40-60 parts of ethylene propylene diene monomer, 20-40 parts of epoxy modified organic silicon resin, 4-6 parts of polypropylene, 10-20 parts of hexagonal boron nitride, 20-25 parts of porous powder quartz, 22-26 parts of an inorganic flame retardant, 5-8 parts of carbon nanocone, 1-3 parts of a plasticizer and 80-120 parts of deionized water. The sound-absorbing and heat-insulating automotive interior material provided by the invention is prepared from natural environment-friendly materials, is odorless, pollution-free and non-irritant, has good flame-retardant and heat-insulating properties, has good mechanical structure performance, and is environment-friendly, safe and practical.

The invention relates to a flame-retardant polypropylene film. The film is prepared from the following raw materials in parts by weight: 80-90 parts of polypropylene masterbatch, 7-12 parts of linearlow-density polyethylene, 3-5 parts of polyphenylene ether, 1-2 parts of poly(propyleneglycol glutarate), 2-3 parts of a POE (polyolefin elastomer) toughener, 1-1.5 parts of nano-barium sulfate, 3-5 parts of silver-loaded zeolite, 0.4-1 part of mica powder, 1-2 parts of glass fibers, 2-5 parts of antimony trioxide, 5-8 parts of 1,2-bis(pentabromophenyl) ethane, 0.5-1.5 parts of zinc borate, 0.1-0.5 parts of hollow glass beads, 1-4 parts of a slipping agent, 0.6-1.2 parts of an antioxidant, 1-2 parts of a reinforcing agent, 0.1-0.5 parts of an antistatic agent, 0.1-0.5 parts of three-dimensional graphene and 0.5-1 part of SiC whiskers. The polypropylene film has the advantages of excellent comprehensive performance, excellent flame retardant performance and good heat insulation effect; meanwhile, raw materials are widely sourced, and the film is economical and applicable.

The invention relates to a fireproof kitchen. The fireproof kitchen comprises a room body, wherein a cabinet and a wall cabinet are arranged in the room body; the cabinet comprises a cooking bench area and a washing area; a cooking bench is placed in the cooking bench area; the wall cabinet is arranged above the cooking bench; a water pipe is arranged in the washing area; a dry powder fire extinguishing system is arranged in the wall cabinet; a spraying fire extinguishing system is arranged in the cabinet; a human body sensor is arranged at an inlet and an outlet of the room body; and a flamesensor is arranged on the cooking bench. The invention aims to solve or at least relieve the problem that fire in the kitchen is not easy to extinguish at present, and provides the fireproof kitchen.