34results about How to "Flame retardant" patented technology

The application discloses the kitchen and bathroom waterproof technology field, concretely is a kind of seamless waterproof construction method based on coating and material combination between kitchen and bathroom, including specific steps as follows: when carrying out floor waterproof construction, floor must be pitched to the direction of floor drain and must be pitched before brushing waterproof coating, also guarantee that the elevation of its floor is 2cm-3cm lower than the elevation of adjacent indoor floor, to prevent water backflow to the outside of kitchen and bathroom, the drainage slope of its floor drain edge outward 5cm should be 3%-4%, when construction, floor drain is center to radiation in all directions, find slope, scrape with scraping ruler, and surface is required to be smooth, no depression, to not accumulate water, and position is far from doorway, to ensure that doorway is highest point after pitching, the application carries out waterproof construction on the wall surface and top surface between kitchen and bathroom, then water penetration into wall surface and top surface can be avoided, so that wall surface and top surface can be avoided to be damp, mildew and other phenomena.

The invention belongs to the field of organic functional molecules and organic polymer functional materials, and particularly relates to a reactive aggregation luminescent flame-retardant organic functional material and a preparation method thereof. A flame-retardant group DOPO is introduced into molecules containing an aggregation-induced emission TPE group, the flame-retardant group DOPO which simultaneously contains the TPE group with aggregation-induced emission performance and a flame-retardant function in the structure is designed and synthesized, and the flame-retardant group DOPO has good flame-retardant performance while the aggregation-induced emission function is guaranteed.

This invention belongs to the field of inorganic nanoparticle technology, and discloses a silicon-phosphorus-containing inorganic nanoparticle, its preparation method, and its application. The silicon-phosphorus-containing inorganic nanoparticle is prepared from inorganic nanoparticles, a phosphorus-containing compound, and a silane coupling agent. The inorganic nanoparticles are selected from at least one of nano-ZrO2, nano-CaCO3, nano-SiO2, and nano-TiO2. The phosphorus-containing compound is selected from at least one of dimethyl phosphite, diethyl phosphite, and diphenyl phosphite. The silane coupling agent is selected from γ-glycidoxypropyltrimethoxysilane and / or γ-glycidoxypropyltriethoxysilane. The silicon-phosphorus-containing inorganic nanoparticles of this invention, due to surface modification, have significant steric hindrance, are not prone to aggregation, and can be well dispersed in a matrix. The inorganic nanoparticles contain silicon and phosphorus, and have a certain flame-retardant effect.

The present application relates to volatile gas treatment technical field, disclose a kind of organic liquid volatilization inhibitor and the method for inhibiting organic liquid volatilization.The organic liquid volatilization inhibitor contains hollow microsphere, surfactant, stabilizer, dispersant, coupling agent and solvent, for inhibiting organic liquid volatilization;Wherein, the density of the organic liquid volatilization inhibitor < the density of the organic liquid.The density of the organic liquid volatilization inhibitor provided by the present application is less than volatile liquid, with certain fluidity and stability, can realize the automatic covering and complete sealing to volatile organic liquid surface, effectively prevent organic liquid volatilization during storage, loading and transportation.

The application discloses a nylon composite material, which comprises the following components in parts by weight: aliphatic nylon 60-80 parts; MCA flame retardant 15-35 parts; polyethylene glycol 5-10 parts; and polyether block amide 4-10 parts. The MCA with specific free cyanuric acid content is used in the application, and the MCA generates inert gas due to the high temperature generated by an electric arc in the IPT test, which is beneficial to the rapid outward diffusion of the electric arc. Meanwhile, the polyether block amide as a charge dissipating agent can reduce the electric arc energy and guide the rapid diffusion of the electric arc. Meanwhile, the introduction of the polyethylene glycol can improve the water absorption of the nylon composite material, and the electric arc diffusion is synergized, so that the IPT is further improved. Meanwhile, the nylon composite material has a flame retardancy of 0.8mm V-0.

The utility model belongs to the technical field of polyethylene pipes, and particularly relates to a multi-layer steel wire winding antistatic polyethylene pipe which comprises a pipe body, a first connecting part arranged at one end of the pipe body, a second connecting part arranged at the other end of the pipe body, a threaded groove formed in the second connecting part, and a first sealing groove formed in the outer side of the threaded groove. A second sealing groove is formed in the inner side of the threaded groove, a threaded ring is arranged at one end of the first connecting part, and a first sealing ring is arranged on the outer side of the threaded ring. The first armor layer and the second armor layer are arranged in the pipe body and used in cooperation, the overall structural strength in the pipe body can be improved, the pipe body is prevented from being easily damaged by external acting force, the flame-retardant layer is arranged in the pipe body, the pipe body can have the flame-retardant effect, the fireproof safety of the pipe body in the using process is improved, and the service life of the pipe body is prolonged. Meanwhile, the conductive braid layer and the anti-static coating are arranged in the pipe body and used in cooperation, the anti-static performance of the whole structure is improved conveniently, and therefore the structural functionality of the anti-static pipe is improved.

The application discloses a kind of flame-retardant high-temperature resistant fabric and preparation method thereof, cloth is placed in pre-finishing liquid, two dip two roll, once drying, once baking, washing, plasma treatment, obtain pre-finishing cloth, then pre-finishing cloth is completely immersed in strengthening finishing liquid, heat impregnation, secondary drying, secondary baking, ammonia fumigation, washing, air dry, three times drying, immediately obtained.The pre-finishing liquid of the application is made by mixing polyacrylamide modified halloysite nanotube, nano zirconium oxide, tetrahydroxymethyl sulfate phosphorus, sodium dodecyl sulfate and water, the strengthening finishing liquid is made by mixing 1,2-dimethyl-3-hydroxyethyl imidazole bis (trifluoromethanesulfonyl) imidazole salt and 1-aminopropyl-3-methyl imidazole bis (trifluoromethanesulfonyl) imidazole salt, using them to carry out pre-finishing and strengthening finishing in turn, greatly improve the flame resistance and high-temperature resistance of fabric.

The utility model belongs to high flame -retardant cable technical field, concretely is a kind of high flame -retardant cable with chlorinated polyethylene outer sheath, including filler layer, the inside fixedly connected with wire core of filler layer, the outside fixedly connected with impact resistance layer of filler layer, the outside fixedly connected with temperature insulation layer of impact resistance layer, the outside fixedly connected with tensile layer of temperature insulation layer, the outside fixedly connected with outer sheath of tensile layer.The utility model is provided with impact resistance layer, it is favorable to improve the impact resistance of cable, when cable is impacted, outer cover can extrude bellows, by extrusion, bellows is shrunk, when shrinking, the gas in bellows is extruded, the gas is extruded and generates reverse force, to prevent external force continue to intrude into the inside of cable, ensure cable inside intact, prolong the service life of cable.

This invention discloses a method for preparing a transparent fire-retardant wood coating, belonging to the field of coating technology. The transparent fire-retardant wood coating includes an inner coating and an outer coating. The preparation method of the inner coating is as follows: a flexible flame retardant is dissolved in water, and tea polyphenol crystals are added to form a flame-retardant mixture; then, it is mixed evenly with an amino resin to obtain a transparent fire-retardant inner coating. The preparation method of the outer coating includes: first, preparing a sulfur-containing all-organic high-refractive-index polymer by catalytic polymerization of bromoalkanes and dithiophenol monomers using an organic base; then, dissolving the polymer in a transparent organic solvent to obtain a high-refractive-index polymer solution; grinding ammonium polyphosphate and pentaerythritol and mixing them evenly with a polysiloxane emulsion to obtain a fire-retardant mixture; finally, adding the high-refractive-index polymer solution, a film-forming aid, and an amino resin to the fire-retardant mixture to obtain a transparent fire-retardant outer coating. This invention achieves good UV resistance in addition to transparency and fire resistance.

The utility model relates to cable technical field especially relates to a kind of anticorrosive marine cable.Its technical scheme includes: cable body, the cable body includes multiple conductor body, the outside of each conductor body is provided with natural color insulating layer.The utility model is protected by setting up semiconductive conductor shielding layer and semiconductive insulation shielding layer to natural color insulating layer and color bar color separation insulation, by setting up isolation layer protection cable body internal structure, improve the fireproof and explosion-proof performance of cable body, by setting up inner protective layer, natural color insulating layer and color bar color separation insulation are not damaged by external factors, while preventing moisture and corrosive substance from invading, by setting up armoring layer, the mechanical strength and explosion-proof performance of cable body can be enhanced, by setting up outer protective layer, cable internal structure can be effectively protected from the corrosion of marine environment, while also having certain flame retardancy, the explosion-proof performance of cable can be improved.

The invention discloses modified graphite, a high-flame-retardant MC nylon material, a lightweight wearing plate and an air spring. The modified graphite material is modified by sequentially oxidizing and reducing a powdery graphite material to form reduced graphite oxide and then introducing an amino flame-retardant group and a phosphate flame-retardant group onto the reduced graphite oxide. The high-flame-retardant MC nylon material comprises caprolactam, a catalyst, an activating agent and a modified graphite material. The light-weight wearing plate comprises a wear-resisting plate which is integrally formed by adopting a high-flame-retardant MC nylon material, and the wear-resisting plate is provided with a T-shaped metal insert, an exhaust groove and a circular ring backstop. The air spring comprises a high-strength high-flame-retardant lightweight wearing plate mounted above an auxiliary spring, a high-strength lightweight composite material upper cover plate mounted at one end of an air bag, and a PAI-Si high-wear-resistant lubricating coating sprayed on a metal plate and / or the wearing plate. The dry friction coefficient of the composite upper cover plate and the high-strength and high-flame-retardant lightweight wearing plate in an oil-free and maintenance-free state meets the requirement of being smaller than 0.1.

The present invention addresses the problem of providing: a woven fabric which contains flame-retardant fibers, which not only has flame retardancy, but also effectively forms a heat-blocking air layer, and which has excellent washing durability; the present invention relates to a flame-retardant fabric which contains, in the warp direction and / or the weft direction, a yarn that contains flame-retardant fibers having a tensile modulus of elasticity of 100 cN / dtex or more in an amount of 10% or more relative to the weight of the yarn, and which has an initial thickness of 2.0 mm or more under a load of 3 g / cm2 as defined in JIS L1096 8.4, a rate of change in thickness after washing five times in 6N-F in accordance with ISO 6330: 2012 of within + / -25%, and wear resistance of 15000 times or more in accordance with ISO 12947-2.

The utility model belongs to lithium battery heat preservation technical field discloses a battery heat preservation box, including box body and heating device, the box body is by upper box body and lower box body is composed, the upper box body and lower box body are through magic paste sticky buckle and are composed box body, the heating device is by heating blanket, heater is composed, the heating blanket with heating ware is connected through electric wire, the heater includes temperature controller, electric wire, wire ear, is equipped with the fuse on the electric wire. The utility model battery heat preservation box includes box body and heating device, and the box body adopts three -layer structure, has waterproof, moisture -proof, fire -retardant, the efficacy of heat preservation, is equipped with independent heating blanket in the box body to the battery and is covered and is wrapped, controls the temperature in the box body through temperature controller, ensures that the temperature in the heat preservation box meets the technical requirement. The utility model battery heat preservation box can ensure that the temperature in the heat preservation box is not less than 0 DEG C for 24 hours under the environment of -40 DEG C, can good protection battery normal use under low temperature environment.

The utility model relates to the technical field of corrugated cartons, and provides a breakage-resistant corrugated carton for a small electric appliance, which comprises a carton main body, a plurality of reinforcing rings and a plurality of reinforcing ribs, the carton main body is divided into first surface paper, a corrugated board and second surface paper, and the first surface paper, the corrugated board and the second surface paper are adhered to form the carton main body. The plurality of baffles are fixedly mounted on the outer surface of the carton main body; the reinforcing bottom plate is movably embedded in the carton main body; the fireproof plate is fixedly adhered to the inner surface of the first surface paper; the small electric appliances are loaded into the carton body, the reinforcing bottom plate is movably embedded in the lower end of the interior of the carton body and can improve the bearing capacity and strength of the bottom of the carton body, the small electric appliances are prevented from falling off from the bottom during carrying, and the reinforcing rings are installed on the outer surface of the carton body, so that the strength of the periphery of the carton body is improved; and a waterproof plate is bonded to the outer surface of the first surface paper, and the waterproof effect of the carton body is improved through the waterproof plate.

The utility model discloses an integrated heat preservation board relates to heat preservation board technical field, including heat preservation board body, heat preservation board body top surface fixedly connected with T type plug -in board, T type plug -in board is provided with three groups, and heat preservation board body bottom is provided with T type insertion cavity groove, and T type insertion cavity groove sets up three groups, and T type insertion cavity groove and T type plug -in board correspond with each other and mutually match, and T type plug -in board and T type insertion cavity groove slidingly connect, and heat preservation board body one side fixedly connected with second mounting block, and heat preservation board body other side fixedly connected with first mounting block, and this setting is through adding positioning mechanism on heat preservation board body, and the user is fixed between the individual heat preservation board body assembly, simultaneously when transporting batch heat preservation board body, and the operator can limit fixed between two heat preservation board bodies through positioning mechanism in advance, so that batch heat preservation board body can be stably placed on the transport car, and the user is convenient to batch heat preservation board body transportation.

The oil-resistant cover paper comprises a cover paper body, a fire cover hole and an air adjusting plate cross-shaped hole are formed in the cover paper body, the cover paper body covers the surface of the cooking bench, a fire cover and an air adjusting plate on the cooking bench correspond to the fire cover hole and the air adjusting plate cross-shaped hole in the cover paper body, and edge pasting pieces are arranged below the two ends of the cover paper body. A pressing ring is arranged outside the fire cover hole; the cover paper body is sequentially provided with a nano oil-proof layer, a polytetrafluoroethylene coating and a flame-retardant layer from top to bottom. The cover paper covers a cooking bench and is flatly laid, then the cover paper is pasted to a kitchen table top through the edge pasting pieces to be fixed to prevent edge warping or moving, the cooking bench is covered with the cover paper body, and the cover paper body has the flame-retardant effect, can be repeatedly used for multiple times, does not deform and is safe and reliable; the whole paper sticker structure is low in manufacturing cost, economical, practical and capable of being cut into various different specifications according to needs, a user can purchase one type suitable for himself / herself, and the paper sticker can be used immediately after being taken and is light and efficient.

The utility model relates to the technical field of communication devices, in particular to an anti-explosion antenna used in an oil cave depot, which comprises an antenna body and an adjusting frame. The antenna is characterized in that the antenna body comprises a base and an antenna; a protective sleeve is arranged outside the antenna, epoxy resin is filled between the protective sleeve and the antenna to form an epoxy resin layer, and the antenna is mounted on the base; the base comprises a mounting plate and two connecting frames; the two connecting frames are both located at the bottom of the mounting plate. A rotating shaft is arranged between the connecting frames; the rotating shaft is fixedly connected with the connecting frame; the adjusting frame comprises two supporting plates, an adjusting gear and an adjusting screw rod; the adjusting gear is meshed with the adjusting screw rod; the adjusting gear and the adjusting screw rod are both mounted in the adjusting box; the adjusting box is fixed to the side face of one supporting plate. The angle of the antenna is adjusted through the adjusting screw rod and the gear, the antenna can be automatically locked after angle adjustment is completed, and use is convenient.

This utility model relates to the field of toilet technology and discloses a detachable and assembleable toilet including a soft toilet and a soft squat toilet. It includes: a toilet body, perpendicular to the ground; a soft toilet body located within the toilet body; a soft squat toilet located within the toilet body; and a soft waste storage bag located within the toilet body, directly below the soft toilet body and the soft squat toilet. The toilet body includes a toilet frame, toilet wall panels, a toilet ceiling, toilet steps, and a toilet floor. The toilet frame is perpendicular to the ground, and the wall panels are fixed to the toilet frame. This utility model adopts a fully detachable and assembleable design. The pipes, side wall panels, rear wall panels, and toilet ceiling of the toilet frame can all be disassembled individually. The soft toilet body and soft squat toilet can also be disassembled and folded. When not in use, all parts can be stored in a box for convenient transportation. When in use, assembly can be completed by a single person, allowing for rapid deployment in various scenarios.

This invention relates to an aluminum hydroxide functional filler-reinforced rubber composition and its preparation method. The aluminum hydroxide functional filler-reinforced rubber composition comprises the following components in parts by weight: 80-100 parts styrene-butadiene rubber, 20-30 parts carbon black, 1-2 parts paraffin wax, 1-2 parts sulfur, 2-3 parts vulcanization accelerator, 8-10 parts additives, and 50-70 parts modified aluminum hydroxide. The modified aluminum hydroxide is obtained by copolymerizing aluminum hydroxide grafted with KH570 intermediate product 1, hydroxylated silica grafted with KH570 intermediate product 2, and phenyl acrylate and acrylate. The modified aluminum hydroxide of this invention introduces phenyl ester units, hydroxyl groups, and silica. These multiple active groups can improve compatibility with other components and generate interactions such as hydrogen bonds. Furthermore, aluminum hydroxide can also act as a flame retardant. The synergistic effect of the components improves various properties and has good application prospects.

The application discloses a battery module and a power utilization device, and belongs to the technical field of batteries. The battery module comprises a plurality of battery monomers, a busbar and an insulation assembly. The busbar is used for electrically connecting the plurality of battery monomers. The busbar has a side surface and a first surface facing away from the side of the battery monomers. The first surface is connected with the side surface. The insulation assembly is arranged on the first surface of the busbar. The insulation assembly comprises a phase change layer. The phase change layer is arranged on the first surface and / or the side surface of the busbar. In the application, the phase change layer is arranged on the surface of the busbar. When thermal runaway occurs, the phase change layer absorbs heat, melts and changes phase, adheres to the first surface and / or the side surface of the busbar, plays an insulating role and effectively reduces the risk of high-voltage short circuit.

The invention relates to the technical field of high polymer materials, in particular to intrinsic flame-retardant phenoxy amine resin and a synthesis method thereof. The resin is synthesized from polybasic primary amine, an aldehyde compound, a phosphorus-hydrogen-bond-containing compound and polyfunctional aromatic epoxy resin, n (NH2): n (aldehyde compound): n (phosphorus-hydrogen-bond-containing compound) is controlled to be 1: (1.05-2.00): 1, and the polymer resin is obtained through aldehyde-amine condensation reaction, phosphorus-hydrogen addition reaction and epoxy group ring-opening reaction chain extension. The phenoxyamine resin is mild in synthesis process condition and high in chain growth controllability, a polymer chain contains a large number of phosphorus-containing flame-retardant elements, and the phenoxyamine resin has intrinsic flame-retardant performance, achieves V-0-level flame retardance, has the limit oxygen index of 30% or above, the glass-transition temperature of 150 DEG C or above, the tensile strength of 75 MPa or above and the bending strength of 180 MPa or above. The material can be molded through a plurality of processes such as mold pressing, injection molding and solution coating, and is a novel material which is suitable for the fields of electronic packaging, rail transit, aerospace and the like and has strict requirements on flame retardance, adhesion and structural bearing capacity.

The friction strip type waste rock falling prevention carrier roller structure for the TBM belt conveyor comprises an installation frame, transverse supporting plates are vertically and symmetrically connected between the bottom edges of the inner walls of the ends of the two long edges of the installation frame respectively, and rotatable upper carrier rollers are transversely suspended on the inner side faces of the two transverse supporting plates respectively along the long axis of the installation frame. Inclined strut assemblies are symmetrically arranged on the two sides of the upper carrier roller in the long edge direction of the mounting frame; the inclined supporting assembly comprises two inclined supporting plates which are perpendicularly connected to the top faces of the ends of the corresponding transverse supporting plates respectively, and the back faces of the inclined supporting plates are fixedly connected with the inner walls of the corresponding long edges of the installation frame in an abutting mode. Two steel channels which are in clearance abutting connection side by side are transversely and fixedly connected between the inclined faces of the two inclined supporting plates in an attached mode, and wear-resisting rubber strips are detachably clamped and matched in the steel channels. According to the utility model, the channel steel and the wear-resistant rubber strip which are fixedly mounted are adopted to replace the original rotatable and easily damaged inclined carrier roller, so that the problem that the inclined carrier roller is easily collapsed by pressing is solved.

The invention discloses a fabric with flame-retardant and three-proofing functions and a preparation method thereof, and belongs to the field of textiles. According to the fabric, flame-retardant yarns spun from pre-oxidized polyacrylonitrile fibers are used as a base material and are woven into gray fabric through a tatting process; and then, carrying out after-finishing on the woven fabric through a padding process by adopting a three-proofing assistant working solution with a specific ratio. By selecting the intrinsic flame-retardant fiber material, the adverse effect of flame-retardant after-treatment on the hand feeling of the fabric is fundamentally avoided, and the technical problem that the fabric cannot have two functions at the same time due to the fact that a flame-retardant aid and a three-proofing aid cannot be compatible in a traditional process is successfully solved. The prepared fabric is excellent in flame retardance (the damaged length is smaller than or equal to 50 mm, and afterflame and smoldering are avoided) and has good waterproof, oil-proof and easy-to-clean performance, meanwhile, the original hand feeling of the fabric is kept to the maximum extent, and the fabric is particularly suitable for being used in hotels and other scenes with high-standard requirements for mattress safety and sanitation.

This utility model relates to the technical field of cables and production equipment, specifically to a Class A special control cable with copper wire PVC insulation and a double-shielded anti-interference and flame-retardant sheath, and related production equipment. The cable includes a PVC outer sheath layer, with a galvanized steel tape armor layer fixedly installed inside. This Class A special control cable with copper wire PVC insulation and a double-shielded anti-interference and flame-retardant sheath, through the addition of a copper-plastic composite tape layer and a copper wire braided layer, further enhances the cable's anti-interference capability, ensuring stable operation. The zinc layer on the surface of the galvanized steel tape armor layer effectively resists acid and alkali corrosion, oxidation corrosion, and other corrosive factors, extending the cable's service life. The PVC outer sheath layer uses a high-oxygen-index, high-shell-forming, low-heat-release PVC sheath material, which has certain flame-retardant properties and is not easily ignited when exposed to open flames, effectively preventing the spread of fire and reducing the risk of fire. The above design improves the device's anti-interference and flame-retardant capabilities.

This invention provides a modular, actively load-bearing, prefabricated composite reinforcement device and method. The reinforcement device, used for reinforcing tunnels, includes: at least one reinforcement body connected to the surface of the tunnel to be reinforced. Each reinforcement body is a multi-curvature column conforming to the tunnel structure, comprising several substrates and compressive-resistant material. The substrates are connected by connecting components. Each substrate has a hollow structure, and the compressive-resistant material fills the cavities. An exhaust pipe is provided on the higher section of the substrate on the reinforcement body, and an injection hole is provided on the lower section of the substrate. When there are more than two reinforcement bodies, they are arranged parallel to each other along the axial direction of the tunnel at intervals. Several reinforcement bodies are arranged in a parallel, ring-shaped distribution along the circumferential direction of the tunnel structure's axis, and are spaced apart. Adjacent reinforcement bodies are connected by joints and force transmission rods, forming a grid-like overall structure that provides overall stability.

This invention discloses a HAP-ANF composite separator, its preparation method, and its applications, belonging to the fields of polymer fibers and lithium-ion batteries. The HAP-ANF composite separator is produced by mixing aramid nanofibers and hydroxyapatite nanofibers using a wet papermaking process. The production process is simple and feasible, avoiding problems such as loose paper structure, poor interfacial bonding, and low mechanical and compressive strength caused by the large dimensional differences in aramid separator paper components. The prepared HAP-ANF composite separator has high temperature resistance and flame retardancy, effectively improving battery safety and stability. It can be used to manufacture thinner, lighter, and more compact high-capacity batteries, offering significant development opportunities in the new energy and high-end consumer goods sectors, thus achieving higher-quality development in the aramid fiber industry.

This utility model discloses an apparatus for preparing flame-retardant polyester filament, belonging to the technical field of polyester filament preparation apparatus. It includes a sheath screw mill, a core screw mill, a heating module, and a composite spinning device. The heating module comprises multiple synchronous heating units and independent heating units. The same synchronous heating unit is fixed to the outside of the barrels of the sheath screw mill and the core screw mill. The independent heating units are fixed to the output side of the synchronous heating units at the end. One or two independent heating units are respectively installed outside the barrels of the sheath screw mill and the core screw mill. The output ends of the sheath screw mill and the core screw mill are connected to the composite spinning device. This utility model's apparatus for preparing flame-retardant polyester filament can produce flame-retardant polyester filament with a sheath-core structure, where both the sheath and core layers possess flame-retardant properties, and the flame-retardant properties of the sheath and core layers can be adjusted according to requirements.

The present application relates to the technical field of insulation film, especially to the field of IPC G03F, more particularly to a preparation method of a photosensitive integrated circuit stacked insulation film. The present application is based on the actual market demand, and scientifically designs the formula of the stacked insulation film material by combining basic research with industrial development, so as to realize the manufacturing of the fine line laminated adhesive film with low thermal expansion coefficient, high frequency low dielectric, low loss, high bonding force. The material has good performance in insulation, mechanics, heat conduction and the like, and does not depend on the expensive precision drilling equipment imported, and these performances enable it to replace ABF in the electronic field such as microchip integrated insulation technology, and have wide application prospect.

The utility model relates to the technical field of building materials, and discloses a sound insulation and heat preservation board with a flame retardant effect, which comprises an outer layer structure, the outer layer structure comprises an outer panel, first welding pieces are symmetrically and fixedly arranged at the two ends of the outer panel, first rock wool boards are uniformly distributed on one side of the outer panel, and second welding pieces are symmetrically and fixedly arranged on the other side of the outer panel. Second rock wool boards are evenly arranged on the sides, away from the outer panel, of the first rock wool boards. Supporting frames are arranged on the two sides of the second rock wool board correspondingly, a pressing unit is arranged on the side, away from the first rock wool board, of the second rock wool board, and the pressing unit comprises a connecting frame fixedly connected to the inner sides of the supporting frames through bolt structures. A connecting assembly is arranged on the outer side of the supporting frame, and a positioning frame is arranged on one side of the connecting assembly. According to the sound insulation and heat preservation plate with the flame-retardant effect, through double-layer filling arrangement of the second rock wool plate and the first rock wool plate, fire can be prevented from spreading through splicing gaps between the plate blocks, and the flame-retardant effect of the heat preservation plate is effectively improved.

The application discloses a kind of bio-based antibacterial fireproof polyurethane synthetic leather and its preparation method and application, the polyurethane synthetic leather, from top to bottom, includes bio-based polyurethane surface layer, bio-based polyurethane bonding layer and substrate layer, wherein: polyurethane surface layer includes tea extract, lignocellulose and other components, polyurethane bonding layer includes phytic acid modified isocyanate prepolymer, lignocellulose and other components.The application uses tea polyphenols in tea extract as antibacterial components and antioxidant components, and forms crosslinking structure with curing agent in surface layer resin at the same time, improves the combination of polyurethane coating, and further improves the color fastness and durability of product;Lignocellulose and other components act as carbon structure and phytic acid modified polyurethane bonding layer to improve the flame retardant performance of product.The application uses bio-based materials reasonably, and obtains bio-based antibacterial fireproof polyurethane synthetic leather with good durability.