103 results about "Melamine foam" patented technology

The invention relates to the technical field of oil-water separation, in particular to a renewable oil-water separation material as well as a preparation method and application thereof. According to the preparation method, a melamine foam material is soaked in a mixed solution composed of cane sugar, dopamine and a trihydroxymethyl aminomethane-hydrochloric acid buffer solution, and the renewable oil-water separation material is obtained; the renewable oil-water separation material can quickly and efficiently separate different types of oily wastewater such as kitchen oil, industrial oil and organic solvents, the separation efficiency can reach 99% or above, and the separation flux can reach 104-105 liters per square meter per hour. Moreover, the used renewable oil-water separation material can be repeatedly used after being fully soaked in an ethanol solution, and the separation flux and the separation efficiency are not obviously reduced. In addition, the renewable oil-water separation material has a wide oil-water separation effect and is suitable for industrial production.

The invention relates to a preparation method and application of a bismuth oxysulfide-hydrogel-melamine photo-thermal evaporator imitating a'sun cloth structure ', dithiothreitol and bismuth nitrate are dissolved in an organic solvent, a surfactant ligand is added, then a sodium hydroxide aqueous solution is added, after the reaction is finished, centrifugation, washing and drying are performed, and crystalline two-dimensional bismuth oxysulfide nanosheets are obtained; the preparation method comprises the following steps: adding bismuth oxysulfide nanosheets into a polyvinyl alcohol aqueous solution and glutaraldehyde, uniformly stirring, continuously adding a hydrochloric acid solution, continuously uniformly stirring to obtain a mixed liquid, pouring the mixed liquid onto a melamine foam skeleton, gelatinizing, freezing, drying, washing, and finally freeze-drying to obtain the 3D bismuth oxysulfide-hydrogel-melamine evaporator. The method has the advantages that the process is simple, the cost is low, by combining the photo-thermal conversion performance of bismuth oxysulfide and the unique sun-imitating cloth structural design, the sunlight capturing and conversion efficiency is improved, and efficient and stable solar photo-thermal seawater evaporation can be achieved.

The invention discloses a preparation method of a nano-porous melamine / paraffin modified phase change composite material. The thermal conductivity of melamine foam originally used as a thermal insulation material is improved by utilizing a carbonization mode, and then the porous network structure of the melamine foam is utilized to store the thermal conductivity enhanced paraffin, so that the composite material which not only has improved thermal conductivity but also can be used for packaging a phase change material is obtained. The invention also discloses the nano-porous melamine / paraffin modified phase change composite material prepared according to the method, and the preparation method of the nano-porous melamine / paraffin modified phase change composite material disclosed by the invention solves the problems of low load rate and low thermal conductivity of the existing phase change energy storage material. The melamine foam and the paraffin used in the invention are low in cost, the preparation process of the composite material is simple, and the composite material is suitable for industrial and large-scale production of the phase change material.

The invention discloses a high-salt-resistance double-layer self-floating hydrogel evaporator and a preparation method and application thereof.The preparation method comprises the steps that firstly, sodium alginate is dissolved in water, then pyrrole is fully stirred in the sodium alginate solution, and a uniformly-mixed solution is obtained; dipping the melamine foam in the mixed solution, soaking the melamine foam in a CaCl2 solution for crosslinking, and finally soaking the primarily crosslinked melamine foam in a FeCl3 solution to oxidize the surface of the melamine foam; the preparation process is simple, the hydrogel evaporator has extremely high hydrophilicity, the three-dimensional network structure provides a favorable channel for water transmission, a certain amount of calcium alginate grids are damaged during oxidation to form capillary action with melamine foam of a carrier, the escape efficiency of water molecules is improved, and the service life of the hydrogel evaporator is prolonged. The polypyrrole nanospheres with the three-dimensional structure can perform multiple times of refraction and reflection on light to enhance light absorption, and the evaporation efficiency of aerogel intermediate water is accelerated.

The application discloses a preparation method of three-dimensional hollow carbon spheres. The three-dimensional hollow carbon spheres are prepared by one-step pyrolysis method through the three-dimensional network structure of melamine foam and the compounding of MOFs materials. The method is simple in process, environment-friendly, low in cost and capable of industrial production. The three-dimensional hollow carbon spheres prepared by the method have uniform and good micro-morphology, the carbon spheres are hollow in the inside, each carbon sphere has four branches connected with other carbon spheres, and multiple carbon spheres are connected to form a three-dimensional network structure.

This utility model relates to the field of fire-resistant infill door technology, specifically: a reinforced fireproof infill door, comprising a door body, the door body being composed of an outer protective layer, a first fireproof and heat-insulating layer, a reinforcing support layer, a second fireproof and heat-insulating layer, a buffer and shock-absorbing layer, and an inner protective layer. The outer protective layer is a steel plate with a fireproof coating; the first fireproof and heat-insulating layer is an aerogel composite fireproof felt; the reinforcing support layer is a honeycomb stainless steel skeleton structure; the second fireproof and heat-insulating layer is an expanded perlite fireproof board; the buffer and shock-absorbing layer is melamine foam; and the inner protective layer is a fireproof decorative board. In this utility model, through the synergistic effect of the six layers, the performance of the door body is comprehensively improved from multiple aspects such as fireproofing, heat insulation, structural support, and buffer and shock absorption. It can effectively block the spread of flames and heat for a long time during a fire, ensuring the structural integrity of the door body and buying valuable time for safe evacuation and fire rescue.

The invention relates to the technical field of adsorption materials, in particular to ZIF-90-biochar-MF composite foam as well as a preparation method and application thereof. The preparation method comprises the following steps: by taking melamine foam as a matrix, carrying out coordination on a methanol solution of zinc nitrate hexahydrate and imidazole-2-formaldehyde to form a ZIF-90 precursor; the preparation method comprises the following steps: adding a ZIF-67 precursor into biochar to form a load liquid, then adding the load liquid into melamine foam, and then adding hexadecylamine for hydrophobic modification to obtain the ZIF-90-biochar (at) MF composite foam. According to the preparation method, cetylamine is used as a hydrophobic modifier, ZIF-90 is loaded on a melamine foam skeleton by an in-situ growth method, and charcoal is added, so that the prepared material can construct a micron-scale rough layer on the surface of a microporous membrane, the roughness of the surface of the MF skeleton is increased, and due to the fact that the surfaces of ZIF-90 and charcoal are rich in hydrophobic functional groups, the surface of the MF skeleton can be effectively improved. The surface hydrophobicity is improved, and the oil absorption performance of the composite material is improved.

The invention discloses a preparation method of an MF (at) NH2 (at) Ag SERS (Surface Enhanced Raman Scattering) sensor for detecting paraquat and diquat, belongs to the field of nano material synthesis and spectral analysis, and solves the problems that a traditional detection method is complicated in process and cannot detect pesticides and free radicals thereof at the same time, and a traditional SERS substrate is poor in enhancement effect and low in stability. The preparation method comprises the following steps: firstly segmenting melamine foam, cleaning and drying, soaking in hydrochloric acid, soaking in a polyethyleneimine aqueous solution to modify amino, drying, soaking in a silver nitrate solution for ultrasonic treatment, adding a sodium borohydride solution under an ice bath, stirring and reducing, and finally cleaning and drying to obtain the sensor. The sensor takes three-dimensional melamine foam as a support, silver nanoparticles are uniformly loaded on the surface of the three-dimensional melamine foam, paraquat, aquacide and free radicals thereof are enriched through electrostatic interaction based on a localized surface plasma resonance principle, and Raman signal enhancement is realized. The detection limit is 10 <-9 > mol / L, the signal stability and repeatability are excellent, the applicability to actual water sample detection is good, the detection of other pesticides can be expanded, and the method is suitable for on-site rapid trace detection.

The utility model discloses an air conditioner connecting pipe with a good noise reduction effect, which relates to the technical field of air conditioner connecting pipes and comprises an inner pipe and an outer pipe. The outer tube is arranged on the outer side of the inner tube in a sleeving manner, and a tubular melamine foam layer is arranged between the inner tube and the outer tube; according to the connecting pipe for the air conditioner, the double-layer pipe structure of the inner pipe and the outer pipe is arranged, the melamine foam layer is arranged between the inner pipe and the outer pipe, melamine foam has excellent sound absorption performance, internal noise can be effectively prevented from being spread out of the pipe, and the noise reduction effect of the connecting pipe for the air conditioner is improved.

The invention provides a solar-driven photo-thermal water-power cogeneration system and a preparation method thereof, according to the system, Fe3O4 and an MAX phase material are firstly combined through a unique material design, and then the combined material is coupled with super-hydrophobic SiO2, so that a super-hydrophobic MAX-Fe3O4 coated SiO2 photo-thermal composite material is prepared. The composite material is sprayed on the hot end of a thermoelectric module to efficiently absorb solar energy. And the cold end of the thermoelectric module is respectively connected with the foamy copper radiator and a water delivery channel made of a melamine sponge material. According to the design, on one hand, waste heat transferred to the cold end can be used for seawater evaporation; on the other hand, the temperature of the cold end can be further reduced through water evaporation, a continuous temperature difference is formed between the cold end and the hot end, and finally efficient solar-driven water and electricity cogeneration is achieved. By means of the design, multiple functions are integrated, the energy utilization efficiency is greatly improved, and a brand new thought is provided for research, development and application of a seawater desalination coupling electric energy production system.

The invention discloses a magnetic nanoparticle anchored heterogeneous carbon-based heat-conducting and wave-absorbing integrated material and a preparation method thereof, and belongs to the field of functional composites.The preparation method comprises the steps that melamine foam is acidized, and then acidized MF is soaked into a zinc salt, cobalt salt and 2-methylimidazole methanol solution; the obtained MF (at) ZnCo-ZIF is subjected to high-temperature calcination, and the heterogeneous carbon-based heat conduction and wave absorption integrated material anchored by the Co magnetic nanoparticles is obtained. The Co magnetic nanoparticle anchored heterogeneous carbon-based heat-conducting and wave-absorbing integrated material has the advantages of controllable morphology, high heat conductivity and strong wave-absorbing performance through the synergistic strengthening effect of the high-graphitization heterogeneous carbon material with high heat / conductivity and high dielectric loss and the Co magnetic nanoparticles with high magnetic conductivity and high magnetic loss; actual requirements of different scenes can be met, and a new thought is provided for research and development of a high-performance heat-conducting and wave-absorbing integrated material.

The utility model discloses a silencing device for a ventilation system of a heating ventilation air conditioner, and relates to the technical field of heating ventilation air conditioner equipment, the silencing device comprises a ventilation pipeline and a silencing assembly, the silencing assembly is used for eliminating noise generated in the ventilation process of the interior of the ventilation pipeline, and the silencing assembly comprises a silencing laminated plate and a side position closing plate; the side closing plate is fixedly connected to the side face of the silencing laminated plate, and a first high-frequency absorption layer, a low-frequency absorption layer and a second high-frequency absorption layer are arranged between the silencing laminated plate and the side closing plate. According to the utility model, the high-frequency absorption layer I, the low-frequency absorption layer and the high-frequency absorption layer II are arranged to form the structure shaped like the Chinese character'pin ', so that noise with different frequencies is subjected to targeted absorption treatment. The high-frequency absorption layer adopts melamine foam plastic to effectively capture high-frequency sound wave energy, and the low-frequency absorption layer and the sound absorption cotton layer have a synergistic effect to absorb low-and-medium-frequency noise, so that comprehensive treatment of broadband noise generated by the ventilation system is realized.

An acoustic blanket absorbs acoustic energy and reduces noise in a launch vehicle. The acoustic blanket may be overlaid on a wall of a payload fairing of the launch vehicle. Materials and construction of the acoustic blanket allow for a relatively thin and light sound barrier. The acoustic blanket may comprise vertically-lapped polyester that is overlaid with a lightweight melamine foam. This combination of materials creates an acoustic impedance mismatch between layers that leads to absorption of acoustic energy across a relatively broad range of frequency bands. The acoustic blanket has a particular heat seal pattern that helps absorb noise while allowing the acoustic blanket to be relatively soft and flexible, which is useful for attaching the acoustic blanket to a curved wall of a fairing or other launch vehicle shapes. The acoustic blanket utilizes micro-perforations on multiple sides to allow for movement of air / venting while maintaining the bulk materials inside.

The invention relates to the technical field of electric energy storage systems, and provides a wind power system cooperative operation method adopting a supercritical airfoil blade structure, which is used for solving the problem that the wind power acceptance capability of a power grid is influenced by blade vibration, and comprises the supercritical airfoil blade structure and a layered cooperative control system; the supercritical airfoil blade structure comprises a blade body composed of a blade root part, a blade body part and a blade tip part, a noise reduction piece is fixedly arranged on the rear edge of the blade body, a splicing groove is formed in the noise reduction piece, the rear edge of the noise reduction piece is in a continuous curve shape or a continuous broken line shape, and a groove is formed in the surface of the noise reduction piece. A melamine foam vibration absorption layer is arranged at the rear edge of the blade body in a clamped mode, and a vibration absorption groove is formed in the bottom of the splicing groove. A V-shaped opening for reducing the wind resistance area is formed in the blade tip part of the blade body; the layered cooperative control system comprises a dynamic power distribution module and an angular frequency error feedback synchronous control module.

To provide a heat insulation material having excellent heat insulation properties and strength.SOLUTION: A composite heat insulation material includes an aerogel-containing melamine foam sheet including melamine foam and aerogel. and a polyurethane foam sheet laminated on a surface of at least one surface of the aerogel-containing melamine foam sheet.SELECTED DRAWING: Figure 1

The present application belongs to the technical field of sewage purification, and particularly relates to a foamed carbon-red mud composite material and a preparation method and application thereof. The preparation method of the foamed carbon-red mud composite material comprises the following steps: S1, red mud pretreatment; S2, synthesis of foamed carbon: mixing a sodium alginate solution, a calcium chloride solution and melamine foam, standing at room temperature to obtain a pretreatment mixture, and performing annealing treatment on the pretreatment mixture to obtain foamed carbon; and S3, preparation of the foamed carbon-red mud composite material: spraying modified red mud obtained by step S1 after being uniformly dispersed in water onto the surface of the foamed carbon. The foamed carbon-red mud composite material of the present application exhibits good light absorption in the range of 300-800 nm, and has a relatively high local temperature, and has better light absorption capacity and photothermal effect compared with foamed carbon, and can better purify sewage.

A layered, highly absorptive electromagnetic shielding composite material and its preparation method involve selectively etching the Al layer of Ti3AlC2 to obtain an MX solution. Fe3O4 and MX are then assembled into a composite material, FM. Melamine foam is then carbonized to obtain a carbonized foam, CF. FM is then assembled onto a CF skeleton via an impregnation method to form a composite foam, FM@CF. Finally, MX is deposited on the bottom of FM@CF via vacuum filtration to form the layered, highly absorptive electromagnetic shielding composite material, FM@CF / MX. The preparation process is simple and easy to operate. The layered structure achieves a "low reflection-high absorption-high reflection-reabsorption" strategy for electromagnetic waves, successfully achieving a combination of high electromagnetic absorption and high electromagnetic shielding efficiency, significantly reducing secondary electromagnetic contamination and helping to address the hazards of electromagnetic radiation. This material is widely used in aerospace, military equipment, microelectronic devices, consumer electronics, and other fields.

The invention relates to the technical field of functional composite materials, in particular to stable-size multilayer polyimide shielding and wave-absorbing composite foam and a preparation method thereof.The stable-size multilayer polyimide shielding and wave-absorbing composite foam comprises a graphene-loaded ferroferric oxide nanoparticle / polyimide foam layer serving as a top layer, a carbon nanotube / polyimide foam layer serving as a middle layer and a silver nanowire / polyimide foam layer serving as a bottom layer; the melamine foam is used as a skeleton structure, covers the upper surface of the silver nanowire / polyimide foam layer and penetrates through the graphene-loaded ferroferric oxide nanoparticle / polyimide foam layer and the carbon nanotube / polyimide foam layer; the problem that existing polyimide (PI) composite foam is poor in size stability and electromagnetic shielding stability is solved.

The utility model discloses a melamine foam cleaning brush, and relates to the technical field of cleaning tools. A melamine foam cleaning brush comprises an installation supporting plate, melamine foam layers are arranged on the two sides of the installation supporting plate, and the two melamine foam layers wrap the installation supporting plate to jointly form a brush body used for cleaning narrow gaps. The surface of the melamine foam layer is coated with a water-soluble film layer, and the water-soluble film layer is attached to the outer surface of the melamine foam layer and connected with the installation supporting plate. The melamine foam layer is pressed and bound by the water-soluble film layer, so that the melamine foam layer is in a compressed state. The cleaning device can go deep into narrow gaps difficult to clean and fill the narrow gaps for cleaning, the cleaning efficiency is high, and the cleaning effect is good.

A cleaning roller (110) for a cleaner head (100) of a cleaning appliance (1). The cleaning roller (110) comprises: a roller core (111); a melamine foam layer (113) disposed around the roller core (111); and a permeable protective layer (115) disposed around the melamine foam layer (113). Also provided is a cleaner head (100) for a cleaning appliance (1), the cleaner head (100) comprising the cleaning roller (110). Also provided is a cleaning appliance (1) comprising the cleaning roller (110) or the cleaner head (100).

The invention discloses a preparation method of a D-mannitol-melamine foam composite solid-solid phase change material. The preparation method comprises the following steps: cutting melamine foam MF into small blocks; placing the melamine foam sample cut into blocks on a porcelain boat in a quartz tube of a tubular resistance furnace, carbonizing in a nitrogen atmosphere, and cooling to room temperature after carbonization is finished; adding the carbonized melamine foam CF block into molten D-mannitol DM, and carrying out vacuum impregnation in a vacuum drying oven; and taking out the impregnated sample, heating the sample on a heating plate, and removing redundant mannitol on the surface to obtain the D-mannitol-melamine foam. The prepared DM / CF composite material has excellent shape stability, leakage, loss or form out-of-control of the phase change material in the phase change process can be avoided, the safety and reliability of the material are guaranteed, and potential application prospects are provided for the fields of solar energy utilization, industrial waste heat recovery and the like.

The application discloses a kind of fiber reinforced aerogel fireproof heat insulation sheet and preparation method thereof.The preparation method includes the following steps:S1 dispersing fiber: dispersing agent, binder and fiber are added into solvent respectively, the mixture is dissociated at room temperature, and the fiber slurry is obtained after cooling to room temperature, ready for use;S2 mixed aerogel: aerogel powder and melamine foam are added into fiber slurry respectively, and the fiber reinforced aerogel slurry is obtained after stirring;S3 coating;S4 forming, to obtain fiber reinforced aerogel fireproof heat insulation sheet.The fiber reinforced aerogel fireproof heat insulation sheet prepared by the above method has low density, low thermal conductivity, low water absorption and high flame retardancy.

This invention discloses a reconfigurable absorbing metasurface based on heterogeneous absorbing units using a tenon-and-mortise interlocking structure, and its configuration method, belonging to the field of electromagnetic wave absorption and metasurface structure technology. The metasurface is formed by assembling multiple lightweight absorbing units through a tenon-and-mortise interlocking structure. The absorbing units use melamine foam, PMI foam, polyurethane foam, or aerogel porous framework materials as the matrix, and are loaded with absorbing components such as graphene, carbon nanotubes, MXene, ferrite particles, carbonyl iron particles, or conductive polymers. The tenon-and-mortise connection structure has multiple levels of insertion positions and limiting structures, allowing adjacent units to form different insertion states, thereby adjusting the unit spacing, air layer thickness, array period, and equivalent electromagnetic parameters, achieving reconfigurable control of the absorption frequency band and response characteristics. Furthermore, heterogeneous absorbing units with different geometries and absorption parameters can be optimized through parametric design and electromagnetic simulation to form planar or curved broadband absorbing structures. This invention combines the advantages of lightweight, modularity, detachability, surface adaptability, and wideband absorption, and can be applied to fields such as electromagnetic stealth, radar absorption, electromagnetic protection, and complex curved electronic equipment.

The invention discloses a FeNiO / carbon nanotube / carbon foam composite material as well as a preparation method and application thereof, and belongs to the technical field of lithium air battery materials. The melamine foam is placed in a mixed solution composed of nickel salt and iron salt, ultrasonic treatment is carried out for 10-100 min, standing is carried out for 1-12 h, drying is carried out, metal salt attached to the surface layer is removed, and FeNi / melamine foam is obtained; placing FeNi / melamine foam at the downstream of the crucible, placing a carbon source at the upstream of the crucible, and covering the crucible with a crucible cover; under the inert gas atmosphere, heating to 600-900 DEG C at the heating rate of 2-10 DEG C / min, keeping the temperature for 5-240 minutes, and naturally cooling to room temperature; and heating to 300-400 DEG C at a heating rate of 8-10 DEG C / min in an air atmosphere, preserving heat for 5-30 minutes, and cooling to room temperature to obtain the FeNiO / carbon nanotube / carbon foam composite material. According to the prepared FeNiO / carbon nanotube / carbon foam composite material, under the synergistic effect of multiple components, the charge-discharge specific capacity of a battery is greatly improved, and the service life of the battery is obviously prolonged.

The present invention discloses a preparation method of melamine foam MF modified by metal organic frameworks (MOFs) and its application in the solid phase extraction of organophosphorus pesticides in fruits and vegetables using a gun tip. The method comprises the following steps: (1) pretreating the foam; (2) synthesizing two MOFs materials, Ti-MIL-125 and Fe-MIL-101, respectively; (3) uniformly fixing the MOFs on the foam under the action of a crosslinking agent, polyvinylidene fluoride (PVDF), to complete the preparation of MOFs-modified foam, i.e., MF / PVDF / MOFs; and (4) filling the MF / PVDF / MOFs into a 1 mL gun tip, and realizing rapid extraction of organophosphorus pesticides in fruits and vegetables using a gun tip solid phase extraction method.

The utility model relates to the technical field of electric automobile storage battery die cushion manufacturing, and provides a melamine foam thermal covering device which comprises a machine table, a supporting base, a sliding base, a first heating roller, a second heating roller, a lifting adjusting assembly and a temperature sensor. The supporting base is fixedly connected with the machine table, the sliding base is connected with the supporting base in an up-down sliding mode, the first heating roller is rotationally connected with the sliding base, the second heating roller is rotationally connected with the supporting base, the first heating roller is located above the second heating roller, and a hot covering channel is formed between the first heating roller and the second heating roller. The melamine foam material block is stacked on the adhesive tape and then enters the hot covering channel; the lifting adjusting assembly is connected with the sliding seat; and the temperature sensor is fixedly connected with the supporting seat and is aligned with the first heating roller. The glue coating device has the advantages that the heating roller is used for coating glue, so that the viscidity of an adhesive tape is increased, and the situation that glue does not adhere to a melamine foam glue-coated product is reduced; the reworking cost is reduced, and the coating operation efficiency is improved.

The application discloses high-breathability sports shoes, comprising a vamp and a sole, wherein the sole comprises the following components in parts by weight: polyurethane 20-30 parts, polyoxyethylene ether 6-10 parts, butadiene styrene rubber 12-20 parts, modified polyvinylidene fluoride 5-10 parts, modified melamine foam 12-18 parts, zinc oxide 1-3 parts, vinyl trimethoxysilane 1-2 parts, diatomite 8-10 parts, calcium stearate 4-8 parts, vinyl silicone oil 5-8 parts and ethylenediaminetetraacetic acid 10-15 parts. The high-breathability sports shoes and the preparation method thereof improve the breathability of the material, and the material also has better mechanical strength.

The invention relates to the technical field of sound-absorbing materials, and discloses a melamine foam sound-absorbing board with good thermal stability and a preparation method thereof, the melamine foam sound-absorbing board comprises a foaming liquid and a tetradecanoic acid and stearic acid eutectic mixture, and the melamine foam sound-absorbing board is prepared by foaming and pressing according to the formula. The preparation method comprises the following steps: S1, preparing a modified melamine-formaldehyde pre-condensation polymer; s2, adding a tetradecanoic acid and stearic acid eutectic mixture into the modified melamine-formaldehyde pre-condensation polymer, and uniformly stirring; s3, preparing foaming liquid; s4, performing microwave foaming; and S5, drying, pressing and forming. The melamine foam acoustic panel prepared by the invention not only has better sound absorption performance at normal temperature, but also keeps stable sound absorption performance at high temperature, and especially better keeps sound absorption performance to high-frequency sound waves. The melamine foam acoustical board disclosed by the invention has good high-temperature sound absorption performance, and the working scene of the melamine foam acoustical board is widened.

This invention belongs to the field of polymer synthesis and application technology, and discloses a method for efficiently preparing melamine foam materials and their applications. This invention introduces unsaturated double bond groups into the melamine resin molecule design and employs a free radical-initiated chemical foaming technique to address the structural performance deficiencies of melamine foam materials, while simultaneously improving the overall material performance, thereby expanding its applications in high-performance adsorbent materials, wall insulation materials, and other fields. The melamine foam material efficiently prepared by the method of this invention has a brittleness mass loss rate of 2.0%, and the properties of the prepared foam material are as follows: apparent density 30-40 kg / m³. 3 The flexural strength is ≥200kPa, the compressive strength is ≥380kPa, and the volumetric water absorption rate is ≤1.0%. The brittle mass loss rate of the foam material of this invention is ≤2.0%, and it can be applied in the fields of wall insulation materials, adsorbent materials, etc.

The invention relates to a moisture power generation device and application thereof in degradation of VOCs, and belongs to the technical field of environmental protection. The moisture power generation device comprises a modified melamine foam electrolyte as well as an anode and a cathode which are arranged on two sides of the modified melamine foam electrolyte, the anode comprises carbon cloth and a thiazolyl conjugated polymer coated on the carbon cloth; the modified melamine foam electrolyte comprises melamine foam, and sodium alginate and phosphate group modified carbonized polymer points loaded on the melamine foam. The device does not need additional energy supply, can efficiently degrade pollutants under the conditions of normal temperature and normal pressure, and effectively breaks through the bottleneck problems of high reaction energy consumption, incomplete room-temperature degradation and the like in the existing VOCs treatment technology.