1136 results about "Thermal decomposition" patented technology

The invention discloses a pyrolysis recovery system for cooperative treatment of waste wind power blades by a power station boiler, and belongs to the technical field of solid waste recovery. The system comprises a power station boiler, a pyrolyzing furnace, a mixed flue, a nitrogen air flue and a controller. Oxygen is accurately controlled by mixing flue gas at different temperature levels and mixing nitrogen, and a safe and stable heat source is provided for the pyrolyzing furnace; pyrolysis gas returns to a boiler hearth through an outlet flue to be burnt out, and recyclable fibers and residues are conveyed out through a chain grate stoker; and the controller is linked with each sensor to execute oxygen control, temperature regulation, fiber quality protection and safety interlocking operation. The problems that in pyrolysis of the waste wind power blade, heat source adaptability is poor, oxygen concentration is out of control, fiber quality is poor, the risk is high, and pyrolysis gas is difficult to dispose are solved, and gradient utilization of energy, intrinsically safe operation, high-quality and high-purity recovery of fibers and collaborative treatment of pollutants are achieved.

The invention relates to a composite solid electrolyte and a preparation method and application thereof. The preparation method of the composite solid electrolyte comprises the following steps: S1, mixing an inorganic filler and a fluorine-containing compound, and reacting at 70-90 DEG C under an acidic condition to obtain an inorganic filler wrapped by a fluorinated layer; then adding a fluorine ion complexing agent and a silane coupling agent for reaction to obtain a modified filler; adding a thermal decomposition type cross-linking agent into the polymer, and carrying out melt blending to obtain a cross-linked polymer; s2, uniformly mixing the modified filler, a cross-linked polymer, a lithium salt and a solvent to obtain a plurality of slurries containing the modified filler with different volume concentrations; and molding the slurry to prepare the composite solid electrolyte. According to the method, the fluorinated layer and the siloxane network are constructed step by step, so that the interface impedance is reduced, and efficient dissociation of the lithium salt is promoted; a three-dimensional network structure is combined, so that the tensile strength is improved; the modified filler is further designed in a gradient manner to improve the lithium ion transference number.

The invention provides a method and a system for predicting residual compression strength of a carbon fiber composite material after lightning stroke, and belongs to the technical field of electric digital data processing. According to the method, by considering the pyrolysis degree of the lightning stroke CFRP composite material, the non-linear mechanical property parameters related to the pyrolysis degree actually measured based on the test and the thermal and mechanical damage results predicted based on the electric-thermal-mechanical multi-physics field coupling model are calculated; an actually measured nonlinear mechanical property thermal damage factor and a mechanical damage factor caused by impact damage are introduced into a constitutive relation of the CFRP composite material, and a finite element simulation method capable of quantitatively predicting the residual compression strength after lightning stroke is established by virtue of finite element software ABAQUS; the problems that in the prior art, the influence mechanism of lightning stroke damage on the mechanical property of the CFRP composite material is not clear, and a simulation modeling method capable of being directly used for calculating and predicting the residual compression strength after lightning stroke is lacked are solved.

The invention provides an antibacterial ceramic glaze sintering process optimization and intelligent temperature control method and system. According to the method, the molecular vibration characteristics of the antibacterial agent at different temperatures are dynamically obtained, and a thermal decomposition dynamic fingerprint database is constructed according to the attenuation law of the molecular vibration characteristics; meanwhile, a three-dimensional temperature field of the glaze layer is reconstructed based on a coupling relation between sound wave propagation parameters and glaze thermal expansion. And carrying out transfer learning on the fingerprint database and historical process data, predicting a glaze thermal stability attenuation parameter, and calculating a temperature gradient and molecular chain fracture compensation coefficient. And fusing the temperature field and the attenuation parameter, and dynamically regulating and controlling the sintering temperature curve and preserving heat by combining the compensation coefficient. The adjusted parameters generate closed-loop feedback by verifying the matching degree of the glaze microstructure and the antibacterial indexes, the compensation coefficient is corrected, and it is ensured that the antibacterial performance of the glaze is stabilized within the process allowance. The temperature control precision and the antibacterial performance stability of antibacterial ceramic glaze sintering are improved.

The invention discloses a preparation method of a high-purity ultra-clean hydroxylamine aqueous solution. A four-stage purification process comprises the following steps: 1) low-temperature chelation-ceramic membrane metal removal; 2) molecular sieve membrane rectification decomposition prevention; 3) pulse electrodialysis reversal deep desalination; and 4) gradient filtration terminal refining. According to the preparation method of the high-purity ultra-clean hydroxylamine aqueous solution, a low-temperature molecular sieve membrane rectification technology is adopted, hydroxylamine liquid-phase thermal decomposition is avoided through a vapor phase separation mechanism, and the decomposition rate is reduced to 1t from 15% of a traditional process; the method comprises the following steps of: removing metal through chelation-electrodialysis synergistically, ensuring that Fe and Cu ion residues are less than or equal to 0.05 ppb through a thiosemicarbazide-bipolar membrane system, ensuring the nitrogen environment in the whole process, ensuring that the dissolved oxygen is less than or equal to 5ppb, replacing liquid phase distillation with molecular sieve membrane vapor phase separation, solving hydroxylamine liquid phase thermal decomposition, and breaking through the trace metal removal limit by combining thiosemicarbazide-bipolar membrane synergistically removing impurities. And then through nanoscale terminal filtration, the metal / particle control reaches ppb-level limit which is superior to the SEMI standard, and double spanning of quality and cost is realized.

The invention discloses a method for preparing tantalum carbide powder by carburization based on a double-effect synergistic effect of molten salt activation and catalytic decomposition, which comprises the following steps: mixing molten salt powder A and tantalum powder to obtain mixed powder, heating the mixed powder to 600-1200 DEG C for activating treatment to obtain activated tantalum powder, separately placing molten salt powder B and the activated tantalum powder in a heating furnace, heating the heating furnace to 100-200 DEG C, heating the heating furnace to 100-200 DEG C, and heating the heating furnace to 100-200 DEG C to obtain the tantalum carbide powder. The heating furnace is heated to enable the molten salt powder B to be converted into molten salt, then carbon source gas firstly flows through the molten salt to form active gas, the active gas makes contact with the activated tantalum powder to react, and the tantalum carbide powder is obtained. On one hand, the tantalum powder is subjected to surface activation treatment through the molten salt, and the reaction activity of the tantalum powder is improved; the molten salt medium assists in organic gas decomposition, the thermal decomposition efficiency of the organic gas is improved, the production energy consumption is effectively reduced under the cooperation of the molten salt auxiliary gas decomposition and the molten salt activation tantalum powder process, and the product purity and uniformity are improved.

The invention discloses perfluoroether rubber as well as a preparation method and application thereof. The perfluoroether rubber has an A1-B1-A2-B2 block structure, and the block A1, the block B1, the block A2 and the block B2 are respectively and independently obtained by polymerizing tetrafluoroethylene and perfluoroalkyl vinyl ether; the molar percentage content of the perfluoroalkyl vinyl ether in the block B1 or the block B2 is higher than the molar percentage content of the perfluoroalkyl vinyl ether in the block A1 and is also higher than the molar percentage content of the perfluoroalkyl vinyl ether in the block A2; the molar percentage content of the perfluoroalkyl vinyl ether in the block B2 is higher than the molar percentage content of the perfluoroalkyl vinyl ether in the block B1. The perfluoroether rubber provided by the invention has an A1-B1-A2-B2 four-block structure, realizes progressive transition of rigidity-flexibility-rigidity-super-flexibility, reduces compression set, prolongs the service life of a plasma environment, has high thermal decomposition temperature, and can be used for a long time at 300 DEG C or above.

The invention discloses a system and a method for rapidly screening illegal additives of health care products based on multispectral imaging, relates to the technical field of health care product detection, and aims to solve the problem of low detection accuracy caused by the fact that an embedding structure hinders spectral signal penetration in the prior art. The system comprises an embedding material characteristic analysis module, a targeted crushing parameter calculation module, a microcapsule crushing execution module, a multispectral imaging module and an illegal additive identification module, the embedding material characteristic analysis module is used for acquiring characteristic parameters of an embedding material in the microcapsule embedding type health care product, and the characteristic parameters comprise hardness, thickness, elastic modulus, thermal decomposition temperature, Poisson's ratio and thermal expansion coefficient of the embedding material; and the targeted fragmentation parameter calculation module is used for receiving the characteristic parameters and calculating the characteristic parameters through a multi-dimensional algorithm to obtain targeted fragmentation parameters. The method has the advantage that illegal additives in health care products can be quickly and accurately screened.

The invention discloses a polyamide composite material as well as a preparation method and application thereof, and relates to the technical field of high polymer materials. The invention provides a polyamide composite material. The polyamide composite material comprises the following components in parts by weight: 30-60 parts of polyamide resin, 12-32 parts of a brominated flame retardant, 4-12 parts of organic phosphinate, 0.1-1 part of a zirconium compound, 0-50 parts of glass fibers, 0-3 parts of an antioxidant and 0-3 parts of a lubricant, and the particle size D50 of the zirconium compound is 0.08-2 [mu] m. According to the antimony-free halogen-containing flame-retardant polyamide composite material provided by the invention, a traditional bromine-antimony flame-retardant system is synergistically replaced by the organic phosphinate and the zirconium compound, and the prepared polyamide composite material has excellent mechanical properties, flame retardance and thermal decomposition stability.

The invention relates to the technical field of cables, and discloses an aluminum alloy conductor cable with a flame-retardant function. The cable is provided with the cable inner expansion layer, the cable outer expansion layer and the functional layer, when the cable sheath is damaged by flames, the cable outer expansion layer is in contact with the flames, expandable graphite in the cable outer expansion layer begins to expand to fill the missing part of the cable sheath, then sodium bicarbonate in the functional layer begins to undergo a thermal decomposition reaction, and the thermal decomposition reaction is stopped; carbon dioxide and water vapor generated by thermal decomposition reaction penetrate through the outer expansion layer of the cable and are directly contacted with flames at the notches, an auxiliary fire extinguishing effect can be achieved, along with continuous combustion of the flames, heat is transmitted to the inner expansion layer of the cable at the moment, expandable graphite in the inner expansion layer of the cable begins to expand, an upward pushing effect is achieved, and fire extinguishing is achieved. And the expandable graphite is pushed outwards at the gap of the cable sheath, so that the flame is far away from the cable insulating layer, and the effect of blocking the flame is achieved.

The invention relates to the technical field of cables, and provides a crosslinked polyethylene high-voltage cable which comprises a conductor, an insulating layer and a protective sleeve which are arranged from inside to outside. The protective sleeve comprises the following components in parts by weight: 50-80 parts of high-density polyethylene, 0.5-1 part of a cross-linking agent, 10-20 parts of a composite flame retardant, 0.5-1 part of an antioxidant, 0.5-1 part of a lubricant, 2-3 parts of polyethylene grafted maleic anhydride and 1-2 parts of carbon black. The flame-retardant monomer disclosed by the invention has the beneficial effects that the flame-retardant monomer has phosphorus-nitrogen synergistic flame-retardant and interface enhancing functions. The thiadiazole ring acts with the surface of aluminum hydroxide, so that the dispersity is improved, the mechanical property of the material is enhanced, and the flame-retardant efficiency is improved. The aluminum hydroxide is more efficient in thermal decomposition after being uniformly dispersed, and cooperates with the gas-phase flame-retardant and char-forming effects of the flame-retardant monomer to form a compact protective layer, so that the integration of flame retardance and enhancement is realized. And aluminum hydroxide with good dispersion can also be used as a rigid particle reinforced matrix, so that stress concentration is avoided.

To provide a composition capable of controlling thermal decomposability of molded articles, and polymers, cured products, and molded articles obtained using this composition, and a method for producing polymethyl methacrylate.SOLUTION: Provided is a composition containing methyl methacrylate, methyl pivalate, and methyl isobutyrate, wherein the concentration of methyl pivalate is more than 0 mass ppm and 50000 mass ppm or less in the composition, and the concentration of methyl isobutyrate is more than 0 mass ppm and 2000 mass ppm or less in the composition. Provided are a polymer, a cured product, and a molded article obtained by employing the composition, and a method for producing polymethyl methacrylate by polymerizing methyl methacrylate in the composition.SELECTED DRAWING: None

The invention relates to the field of high polymer materials, and discloses a preparation method of high-temperature-resistant oil-resistant special functional silica gel, which comprises the following steps: adding a thermoplastic polyester elastomer, fluorosilicone rubber and a macromolecular compatilizer into an extruder through a main feeding port, and carrying out melt blending; adding hydrogen-containing silicone oil, a platinum catalyst and an internal closed type cross-linking agent through a side feeding port, and carrying out distributed blending; under the condition that the temperature is higher than the deblocking temperature of the cross-linking agent, initiating the internal closed cross-linking agent to perform physical thermal cracking shelling and release cross-linking sites, and guiding hydrosilylation reaction to perform dynamic vulcanization; and after vacuumizing and exhausting, extruding and pelletizing to obtain the silica gel. Through cooperation of a space-time decoupling distributed feeding process and a non-toxic thermal deblocking cross-linking agent, catalyst poisoning caused by early-stage high-temperature shear consumption and by-products is avoided, a cross-phase covalent interlocking network is constructed at a polyester and fluorine-silicon two-phase interface, permeation of a non-polar solvent is hindered, and therefore the performance of the fluorine-silicon copolymer is improved. The volume swelling ratio of the material is reduced; and the high-temperature aging resistance is improved.

The present application relates to the technical field of resin, and relates to a preparation method of high-whiteness resin, respectively preparing mesoporous SiO2@Eu 3+ The two whitening agents are mixed in a weight ratio of 1:1 to 1:4, surface modification is carried out, and then the whitening agents are melt-blended with a resin matrix; an intelligent control system is used to real-time regulate process parameters, so that the whiteness is greater than or equal to 96, and the thermal decomposition temperature is greater than or equal to 380 DEG C; the present application realizes the synergistic effect of the mesoporous SiO2@Eu 3+ The whitening agent and the TiO2 photonic crystal whitening agent synergistically act, and surface modification is carried out by using a silane coupling agent, so that the whitening agent is uniformly and stably dispersed in the resin matrix, the whiteness of the resin product is greater than or equal to 96, the risk of yellowing is reduced, and the visual appearance quality of the resin product is greatly improved.

To provide polyimide which is excellent in dimensional accuracy at high temperature while securing transparency, a method for producing a polyimide film, and a method for manufacturing a metal-clad laminate.SOLUTION: When a polyimide film is obtained by preparing a mixed solution containing a tetracarboxylic acid anhydride component, a diamine component, and an organic solvent, reacting the mixture and obtaining a solution of a polyamide acid, coating the solution onto a base material, drying the solution and obtaining a resin film, heat treating the resin film and imidizing the resin film, when the polyimide film is obtained by using a solvent containing a predetermined aprotic polar solvent and a predetermined amount of water as the organic solvent contained in the mixed solution, total light transmittance is 85% or more, polyimide having a thermal decomposition temperature (Td0.5) showing decrease in a weight of 0.5% of 460°C or higher is obtained.SELECTED DRAWING: None

The present invention relates to a bimetallic layered hydroxide / phytic acid synergistic flame-retardant nylon 6 composite material and its preparation method and application, belonging to the technical field of flame retardant material synthesis. The composite material is prepared from nylon 6, bimetallic layered hydroxide and phytic acid. Wherein, the phosphate functional group in the phytic acid can chelate with the metal ion in the bimetallic layered hydroxide, thereby forming a novel flame retardant. When combustion occurs, the layered structure and thermal decomposition products such as metal oxides, metal phosphates, and carbon-containing aromatic network structure substances in the flame retardant help to suppress the release of smoke and toxic gases, and the release of metal ions and phosphorus-containing free radicals helps to suppress the spread of fire. Compared with pure nylon 6, the peak heat release rate and total heat release rate of the composite material are greatly reduced, the limiting oxygen index is greatly increased, and the vertical combustion test reaches V-0 level. At the same time, the raw material sources in the preparation method of the composite material are abundant, the operation is simple, and it is suitable for scaled-up production.

The invention discloses a preparation method of high-performance cordierite DPF honeycomb ceramic, and belongs to the technical field of honeycomb ceramic carrier preparation. The preparation method comprises the following steps: mixing raw materials; kneading mud; performing extrusion molding; drying and shaping; cutting and firing to obtain a cordierite honeycomb ceramic carrier; and performing boundary dimension processing, film covering, hole dotting, mud scraping and drying to obtain a finished product. According to the invention, aluminum hydroxide is adopted to replace or partially replace aluminum oxide in the formula of the cordierite porous ceramic structure while magnesium hydroxide is used, and the two substances can form a synergistic heat absorption mechanism by virtue of the difference of the aluminum hydroxide and magnesium hydroxide in thermal decomposition temperature, so that the heat absorption efficiency of the cordierite porous ceramic structure is greatly improved in the low-temperature coke discharge stage of a carrier mud blank. Aluminum hydroxide is subjected to a decomposition reaction before magnesium hydroxide, and then magnesium hydroxide is continuously decomposed at a higher temperature, so that the temperature range covered by the whole heat absorption process is greatly widened, the heating rate of the carrier mud blank is effectively slowed down, and thermal shock caused by sudden rising of local temperature is avoided.

The invention belongs to the technical field of infrared stealth, and particularly relates to a cellulose doped cesium tungsten bronze modified epoxy silane infrared stealth coating material as well as a preparation method and application thereof. Through the ternary collaborative design of cellulose, cesium tungsten bronze and epoxy silane, and by adopting a physical blending-chemical grafting process, the problems of high toxicity, low hardness and complex process of the existing coating are solved. The prepared coating has a good infrared stealth effect, the pencil hardness can reach 9H, and the thermal decomposition temperature is gt; and the preparation process is solvent-free, low-temperature and efficient, the low-infrared-emissivity effect, high hardness and good wear resistance are achieved, the coating is suitable for direct coating of military equipment (such as unmanned aerial vehicles), the original structure does not need to be changed, and the application prospect is wide.

The invention discloses a lithium manganese iron phosphate positive electrode material and a preparation method thereof.The lithium manganese iron phosphate positive electrode material comprises large-particle lithium manganese iron phosphate of a core-shell structure and small-particle lithium manganese iron phosphate, and the large-particle lithium manganese iron phosphate of the core-shell structure comprises a manganese-rich lithium manganese iron phosphate inner core and an iron-rich lithium manganese iron phosphate outer shell; the core content of manganese is larger than that of the shell, and the core content of iron is smaller than that of the shell. The inner-layer manganese-rich lithium manganese iron phosphate in the core-shell structure maintains a high-voltage platform and improves the energy density, and the outer-layer iron-rich lithium manganese iron phosphate reduces the dissolution of manganese and improves the stability of the material; the large particles with the core-shell structure and the iron-rich lithium manganese iron phosphate small particles are mutually filled to form the spherical lithium manganese iron phosphate with the graded large and small particles, so that the compaction density of the lithium manganese iron phosphate and the stability in the long cycle process are improved; the proper molar ratio difference of elements in the inner layer and the outer layer is adopted, lattice mismatch caused by component mutation is reduced, and the steps of drying, coating, thermal decomposition, particle self-assembly and the like are completed in one step through a spray drying process.

The invention discloses high-hydrophobicity bamboo powder, a modification method and a composite material, and belongs to the technical field of bamboo processing and composite materials. According to the method, a phenyl silane coupling agent is hydrolyzed under the conditions of the specific pH value and the alcohol-water volume ratio, bamboo powder is subjected to coating treatment at the room temperature, a gel layer is formed on the surface of the bamboo powder, the bamboo powder is changed from hydrophilicity to hydrophobicity, the water contact angle is larger than or equal to 90 degrees, and meanwhile the initial thermal decomposition temperature is remarkably increased. The method is simple in process and environmentally friendly, and the obtained modified bamboo powder is suitable for the fields of plastics, rubber and other composite materials.

The invention relates to the technical field of liquid crystal polymers, and discloses a high-temperature-resistant, electricity-conducting and heat-conducting graphene-LCP material and a preparation method thereof.The preparation method comprises the steps that a diacid monomer, p-hydroxybenzoic acid and 4, 4 '-bis (4-hydroxyphthalimide)-benzamido benzene are subjected to a carboxyl reaction, liquid crystal polyarylester is obtained and mixed with graphene oxide, and the high-temperature-resistant, electricity-conducting and heat-conducting graphene-LCP material is obtained. The liquid crystal polyarylester molecular chain contains an imide ring, so that the thermal decomposition mass loss temperature of the liquid crystal polyarylester LCP material can be improved. The liquid crystal polyarylester contains amido bonds and forms strong interaction with hydroxyl and carboxyl on the surface of the graphene oxide, the interfacial compatibility between the graphene oxide and the liquid crystal polyarylester can be improved, the graphene oxide does not need surface modification and has good dispersity in the LCP material, a conductive path is formed, and the conductivity and the antistatic performance are improved.

The invention belongs to the field of lithium ion batteries, and discloses a ZIF-67-derived composite lithium oxalate lithium supplement agent and a preparation method and application thereof.The lithium supplement agent comprises a lithium oxalate matrix and a ZIF-67-derived Co-based catalyst, and the ZIF-67-derived Co-based catalyst is evenly distributed on the surfaces of lithium oxalate particles or among crystals to form a composite structure; a water-phase synthesis method is adopted for preparation, ZIF-67 is converted into Co-based nano-particles, the Co-based nano-particles and lithium oxalate particles form a composite structure, the Co-based nano-particles can serve as a positive electrode additive to be applied to a positive electrode of a lithium ion battery, in-situ thermal decomposition / electrolytic reaction occurs in the first charging process of the battery, Li is released to compensate irreversible capacity loss, the decomposition potential can be reduced to 4.0 V or below, and the positive electrode additive can be applied to the positive electrode of the lithium ion battery. The first-time charging efficiency is improved to 90% or above, and the cycling stability is remarkably enhanced.

The invention discloses a self-reaction substance drying process safety assessment and classification method based on thermal analysis kinetics. The method comprises the following steps: performing a multi-heating-rate programmed heating test on a self-reaction substance under a closed condition by adopting DSC to obtain an exothermic initial temperature, a peak temperature and a specific exothermic quantity, constructing a thermal decomposition kinetic model based on the obtained data, and solving kinetic parameters such as apparent activation energy and pre-exponential factors; combining an energy conservation equation and a thermal explosion theory, predicting a self-accelerated decomposition temperature SADT under an adiabatic condition TD24 and a given filling and heat dissipation condition, determining a temperature safety threshold value of a drying process according to the SADT, and dividing a working condition safety interval; further introducing three dimensionless safety factors including a temperature safety margin, a time safety margin and a thermal explosion margin, constructing a comprehensive risk index, and carrying out risk grade division on the drying working condition. The method provided by the invention has the advantages of low sample consumption, simple test conditions and standardized calculation process, can quantitatively evaluate the safety drying temperature upper limit of different self-reaction substances and under different process conditions, and provides a reliable basis for drying process design and safety control of the self-reaction substances.

The invention discloses a sulfur-resistant non-noble metal catalyst for removing carbon monoxide and a preparation method thereof. The preparation method comprises the following steps: step 1, dissolving aluminum oxide, cerium-containing metal salt and a precipitator in a solvent, fully mixing, and dispersing to obtain a colloidal dispersion system; a hydrothermal product is obtained after the hydrothermal reaction, and solid powder A is obtained after the hydrothermal product is roasted; step 2, dropwise adding a copper-containing metal salt solution into the solid powder A under a ball-milling condition to obtain a turbid liquid; carrying out heat preservation roasting to obtain solid powder B; 3, roasting the molybdenum-containing metal salt, and performing thermal decomposition to obtain solid powder C; and 4, adding the solid powder C obtained in the step 3 into the turbid liquid of the solid powder B, dispersing, and roasting to obtain the required catalyst. The obtained catalyst is stable in overall structure and can still keep good catalytic performance in a sulfur-containing environment.

The invention belongs to the technical field of insulating materials of high-voltage direct-current power transmission equipment, and discloses a pure epoxy crosslinking system and a preparation method and application thereof.The preparation method comprises the steps that fluorenyl bisphenol, epoxy chloropropane, a phase transfer catalyst and an alkaline solution are mixed to obtain a mixture, the mixture is subjected to impurity removal to obtain fluorenyl epoxy resin DGEBF, and the fluorenyl epoxy resin DGEBF is subjected to high-voltage direct-current power transmission equipment insulating materials. The preparation method comprises the following steps: uniformly mixing fluorene group epoxy resin DGEBF and an anhydride curing agent MTHPA, and then carrying out curing reaction to obtain a pure epoxy crosslinking system; according to the invention, the epoxy resin can have higher glass transition temperature and thermal decomposition temperature, the mechanical strength, modulus and dimensional stability of the material are improved, and good electrical insulation performance can still be maintained in a high-temperature environment.

The invention relates to the technical field of solid-state batteries, and particularly discloses an inorganic-organic composite solid-state electrolyte, a membrane material thereof, a preparation method and a solid-state battery. The electrolyte comprises a polymer matrix, inorganic solid electrolyte particles, a surface modifier, a cross-linking agent and a heat conduction enhancer. The preparation method of the membrane material comprises the following steps: inorganic particle surface modification treatment; compounding the slurry; gradient curing; and forming the film. The obtained membrane is high in ionic conductivity, low in interface impedance and high in thermal decomposition temperature. And the assembled total battery is high in capacity retention rate after being circulated for 500 times at 0.5 C, and a hot box test is qualified. According to the technology, the core problem of poor interface compatibility of the solid-state battery is solved, and meanwhile, the thermal runaway risk of the solid-state battery is reduced.

The invention belongs to the field of organic-inorganic hybrid materials, and discloses a high-temperature-resistant polyhedral oligomeric silsesquioxane material and a preparation method thereof. According to the high-temperature-resistant polyhedral oligomeric silsesquioxane material, polyimide serves as a main chain, aminopropyl hepta-isobutyl polyhedral oligomeric silsesquioxane serves as a side chain, and a hybrid system with a clear structure is formed through chemical bonding. The obtained high-temperature-resistant polyhedral oligomeric silsesquioxane material has both the toughness of polyimide and the high-temperature stability of a cage structure, is high in thermal decomposition temperature, and is suitable for the fields of high-temperature-resistant coatings, electronic packaging, aerospace and the like. According to the method, the raw materials are low in price, wide in source channel and low in toxicity, and the obtained product is high in purity and excellent in performance and has good actual use value.

To provide a crematory that can promote the thermal decomposition of dioxins.SOLUTION: A crematory comprises a main burning furnace configured to allow a coffin to be transported therein, a main combustion burner attached to the main burning furnace, a re-burning furnace that is disposed above the main burning furnace and defines a re-burning chamber into which a combustion gas carrying the unburned matter discharged from the main burning furnace flows, and a recombustion burner attached to the re-burning furnace. The recombustion burner includes a multi-burner. The multi-nozzle burner has a plurality of fuel nozzles arranged along a specified direction intersecting with a gas flow direction, which is the flow direction of the combustion gas in the re-burning chamber, and a pair of flame holding plates that faces each other across the plurality of fuel nozzles.SELECTED DRAWING: Figure 1

The invention belongs to the technical field of polyurethane materials, and particularly relates to a high-temperature-resistant double-component polyurethane pouring sealant and a preparation method thereof.The polyurethane pouring sealant comprises a component A and a component B. The component A comprises, by weight, 60-80 parts of polyisocyanate; 20 to 40 parts of polyether polyol A; 0.1 to 0.5 part of an antioxidant; the component B is prepared from the following components in parts by weight: 30 to 50 parts of composite polyol containing a benzoxazine ring; 15 to 25 parts of high-functionality polyether polyol B; 5-15 parts of a chain extender; 20-40 parts of a high-temperature-resistant filler; 0.05 to 0.2 part of a catalyst; 0.1 to 0.5 part of a defoaming agent; the weight ratio of the component A to the component B is 1: (1-4). The polyurethane pouring sealant product prepared by the invention is high in thermal decomposition temperature and excellent in performance retention rate after high-temperature aging, and meets the harsh requirements of high-end electronic and electric appliances on the heat resistance grade of the pouring sealant material.

To provide a thermal decomposition device that separates gas in either a thermal decomposition part or a residue discharging part which discharges residue from the thermal decomposition part more securely, by which a gas volume coexisting with residue can be reduced on a post-stage of the residue discharging part.SOLUTION: A thermal decomposition device 1 comprises: a thermal decomposition part 20 which receives and thermally decomposes raw resin; a thermally decomposed gas separation part A which separates thermally decomposed gas generated by thermal decomposition in the thermal decomposition part 20; a gas treatment part 100 which treats thermally decomposed gas sent through the thermally decomposed gas separation part A; and a residue discharging part 30 which discharges undecomposed residue generated in the thermal decomposition part 20. The residue discharging part 30 includes a gear pump (positive displacement pump) 60 which absorbs and ejects undecomposed residue from an outlet part 23f of the thermal decomposition part 20.SELECTED DRAWING: Figure 2