370results about How to "Achieve recyclability" patented technology

The invention belongs to the technical field of semiconductor packaging, and provides a resin feeding device for chip substrate packaging, which mainly comprises a cleaning assembly, a film pasting assembly, a resin dusting assembly, a transfer table, a first tray carrying assembly and a second tray carrying assembly which are arranged on a second mounting platform, and is characterized in that the cleaning assembly is used for cleaning a resin tray; the film pasting assembly is used for film pasting of a resin tray, the resin dusting assembly is used for laying of resin, and the transfer table is used for transferring and waiting of the resin tray with the laid resin. The overturning box is rotationally arranged, the discharging opening of the overturning box is matched with the width of the chip substrate, the film pasting platform can move between the film pasting assembly and the resin powder scattering assembly, and the moving direction is consistent with the length direction of the chip substrate. Through movement of the film pasting platform and rotation of the overturning box, linear and uniform powder scattering is achieved, one-time powder scattering forming is achieved, the uniformity of the powder scattering thickness is guaranteed, and the powder scattering efficiency is improved.

The invention discloses a catalytic synthesis method of 1, 1, 3, 3, 3-pentafluoropropylene, which comprises the following steps: (1) introducing a raw material 1, 1, 1, 3, 3, 3-hexafluoropropane into a reactor, and reacting under the action of a catalyst to obtain crude 1, 1, 3, 3, 3-pentafluoropropylene, the catalyst containing Cr2O3 and one of metal oxides of Al, Bi and Co; (2) carrying out water washing, alkali washing and drying on the crude 1, 1, 3, 3, 3-pentafluoropropene, and then introducing the crude 1, 1, 3, 3, 3-pentafluoropropene into a first rectifying tower for separation to obtain a mixture containing 1, 1, 1, 3, 3-pentafluoropropene and a small amount of by-products; and (3) introducing the mixture containing 1, 1, 1, 3, 3-pentafluoropropylene and a small amount of by-products into a second rectifying tower, and separating to obtain a 1, 1, 1, 3, 3-pentafluoropropylene product. The method has the advantages of simple process, high catalyst activity, low cost and environmental protection.

The invention discloses a pavement water seepage instrument for highway construction monitoring and a detection method, the pavement water seepage instrument comprises a bottom plate, a water seepage instrument assembly, a purging assembly, a pavement sealing assembly and a sealing surface recovery assembly, the bottom plate is a circular panel, the middle of the bottom plate is provided with an opening, the opening is provided with an inner ring hole and an outer ring hole, the water seepage instrument assembly is arranged on the bottom plate, and the purging assembly is arranged on the bottom plate. Comprising a measuring cylinder, a liquid outlet pipe, a chassis and a water valve, the chassis is arranged in an inner ring hole in the middle of a bottom plate, the upper end and the lower end of the chassis both extend out of the inner ring hole, the upper end of the chassis is communicated with the liquid outlet pipe, and the top end of the liquid outlet pipe is connected with the measuring cylinder; the periphery of the bottom of the measuring cylinder is supported at the upper end of the bottom plate through a bracket; the purging assembly is arranged on the lower side of the bottom plate and comprises a high-pressure purging support, a purging head and a telescopic rod. The pavement water seepage instrument has the advantages that the pavement water seepage instrument is high in sealing performance, and pavement impurity blowing and sealing material recycling can be achieved.

The invention discloses a copper-based sterilizing agent composite functional film material and a preparation method and application thereof, the preparation method comprises the following steps: preparing a sulfur-indium-zinc composite material ZIS by a hydrothermal method, preparing a copper ion solution, mixing the copper ion solution with the composite material, and carrying out a photodeposition reaction to obtain a copper-based sterilizing agent CZIS; the preparation method comprises the following steps: functionalizing acidified carbon nanotubes through polyethyleneimine, and depositing CNTs on a hydrophilic polyvinylidene fluoride film to form a thin film in combination with a vacuum-assisted filtering method; and filtering the CZIS dispersoid on the CNTs-PEI membrane, so as to obtain the copper-based disinfectant composite functional membrane material CNTs-PEI / CZIS. The CNTs-PEI / CZIS composite membrane disclosed by the invention can realize high-efficiency sterilization on bacteria, has the antibacterial ability close to 100% (the bacterial concentration is greater than or equal to 106 CFU / mL) within 2 hours, is high in stability, can be recycled, has self-cleaning and broad-spectrum applicability, has good environment purification potential, and is a multifunctional membrane material integrating high-efficiency sterilization and self-cleaning.

The utility model provides a composite type container plate which comprises a plate base body and further comprises an adapting covered edge, the adapting covered edge is fixed to the edge of the plate base body, and the edge of the plate base body is wrapped by the adapting covered edge so that the edge of the plate base body can be improved for structural reinforcement, and the plate base bodies can be connected through the adapting covered edge. According to the composite type container plate, the plate base bodies can be connected with the container frame through the transfer covered edges, the edge structures of the plate base bodies can be reinforced through the transfer covered edges arranged on the composite type container plate, the overall strength of the container plate is improved, and welding between the plate base bodies or between the plate base bodies and the container frame is easier; the steel plate has the advantages of light weight, high strength, corrosion resistance and the like, has good recoverability, can reduce the consumption of natural resources, meets the requirement of environmental protection, and can replace common container steel plates and reduce the dead weight of the container body, so that the bearing capacity of the container body is improved.

The present invention relates to the field of distributed mild ammonia synthesis technology, and in particular to a plasma-assisted ammonia synthesis method based on Ni-Co bimetallic MOF. The method uses the Ni-Co bimetallic MOF material prepared by a one-step hydrothermal method as a catalyst for plasma-assisted ammonia synthesis. Relying on its enhanced gas mass transfer characteristics and the coupling effect between bimetallics, this material greatly enhances the performance of plasma-assisted ammonia synthesis: compared with the most widely used material in the field of plasma-assisted ammonia synthesis, Ni / Al2O3, the performance is enhanced by more than 30%. At the same time, in this method of using Ni-Co bimetallic MOF for plasma-assisted ammonia synthesis, the catalyst material also has good stability and cycle performance, and it can maintain the stability of structure and performance in a long period of 36h and more than 10 cycles. The excellent performance of using Ni-Co bimetallic MOF in the field of plasma-assisted ammonia synthesis makes it a huge potential for distributed ammonia synthesis process.

The invention relates to an Eu-NH2BDC / OX MOF material as well as a preparation method and application thereof, and belongs to the technical field of fluorescent materials. According to the invention, 2-fluorobenzoic acid is used as a core cluster structure guiding agent, oxalic acid and 2-aminoterephthalic acid are used as organic ligands, and the Eu-NH2BDC / OX MOF material is synthesized based on a double-ligand strategy. The invention relates to application as a sulfur dioxide ratio fluorescence sensor, application in detection of sulfur dioxide and derivatives thereof in food, and development of fluorescence detection test paper for sulfur dioxide and derivatives thereof. The material has the dual-wavelength emission characteristic, the light emitting color changes from red to blue along with the SO3 < 2-> concentration change, visual inspection is facilitated, and the material has the advantages of quick response, high stability and high sensitivity; as a sulfur dioxide ratiometric fluorescence sensor, high-sensitivity and anti-interference detection on SO3 < 2-> can be realized, and the precision requirement of food safety detection can be met; the fluorescence detection test paper prepared from the Eu-NH2BDC / OX MOF material is simple, convenient and rapid to apply. The method realizes visual rapid detection of sulfur dioxide and derivatives thereof, and has important application value and market potential.

The invention discloses a carbon quantum dot material as well as a preparation method and application thereof, and particularly relates to the field of battery materials. Comprising the following steps: placing terephthalaldehyde and p-trifluoromethyl cyanophenyl acetonitrile in a sodium methoxide solution for hydrothermal reaction to obtain a carbon quantum dot material; mixing PAN powder with DMF (Dimethyl Formamide) to obtain a PAN spinning solution; dispersing the carbon quantum dot material in the PAN spinning solution to obtain a mixed spinning solution; and spinning the mixed spinning liquid on the surface of the zinc foil in an electrostatic spinning manner to obtain the modified zinc foil. The carbon quantum dot material rich in various types of zinc-philic functional groups is synthesized through a hydrothermal method strategy, the surface electric field distribution of zinc metal can be improved, then the zinc ion deposition and nucleation process is homogenized, zinc dendrite formation is avoided, the modified zinc foil serves as the negative electrode material of the water-based zinc ion battery, and the service life of the water-based zinc ion battery is prolonged. The carbon quantum dot material with rich electronegative functional groups can repel sulfate ions in the electrolyte, so that the formation of byproducts is inhibited.

The invention relates to the technical field of hydrometallurgy, in particular to a method for recycling scandium oxide from scandium slag, scandium oxide and application of the scandium oxide. According to the method, the scandium residues obtained from MHP are subjected to acid leaching, then pass through an N1923 extraction section, then pass through a P350 extraction section and then pass through an N235 extraction section, and finally a scandium chloride solution is subjected to scandium precipitation treatment and roasting, so that high-purity scandium oxide is obtained. The method has the advantages that an alkali reverse flow required by a scandium-containing loaded organic phase is avoided, the whole extraction section can be performed in an extraction tank without filtering operation, the automation degree is high, the continuity is good, the flow is short, and the acid consumption is greatly reduced, meanwhile, the amine extraction agent N1923 is firstly used and has strong selectivity on scandium, and when the amine extraction agent N1923 is used for separating most impurities in the first extraction section, the scandium content is greatly reduced; the temperature required by extraction and reverse extraction is lower than the temperature required by an acidic phosphine extraction agent, so that aging and deterioration of an organic phase are avoided, the stage number of the reverse extraction stage is greatly reduced, and the production cost is remarkably reduced.

The invention relates to the field of shoe materials, and particularly discloses a TPU (thermoplastic polyurethane) foaming material recycled from leftover materials of shoe materials and a preparation process of the TPU foaming material. The TPU foaming material recycled from the shoe material leftover materials is prepared from the shoe material leftover materials, a recycling treatment agent, TPU particles, modified mica powder, a cross-linking agent, an antibacterial agent and an antioxidant. Wherein the preparation raw materials of the modified mica powder comprise ureido silane, di (triethanolamine) diisopropyl titanate and mica powder, and the mica powder is modified through the ureido silane and the di (triethanolamine) diisopropyl titanate, so that the mica powder is uniformly dispersed in a polyurethane matrix, the agglomeration phenomenon is reduced, and the wear resistance of the material is improved. And moreover, the shoe material leftover materials are recycled for secondary utilization, so that the production cost is effectively reduced.

The invention relates to the technical field of heat dissipation of microelectronic components, in particular to a phase-change heat dissipation device with a spiral coil structure for a microtube heating component, which comprises a base tube, an inner-layer heat dissipation assembly and an outer-layer heat dissipation assembly, and is characterized in that the inner-layer heat dissipation assembly comprises a phase-change heat dissipation layer arranged in a tube shell and a heat source micro-pipeline embedded in the phase-change heat dissipation layer; comprising an outer-layer heat dissipation component inserted into a phase change heat dissipation layer, a heat removal component arranged on a tube shell, an air inlet component arranged on the heat removal component and a driving component arranged on the tube shell, through the arrangement of the outer-layer heat dissipation component, a heat dissipation plate conducts heat dissipation on the phase change heat dissipation layer, the heat dissipation area is increased, and through the arrangement of a heat dissipation cover, the heat dissipation effect is improved. Passive heat dissipation and active heat dissipation are combined, and the efficiency of passive heat dissipation is improved.

The utility model discloses an industrial wastewater sludge metal recovery device, which relates to the field of industrial wastewater treatment, and adopts the technical scheme that the industrial wastewater sludge metal recovery device comprises a purification box which is of a cuboid structure, a dilution mechanism which is arranged at the top of the purification box and is used for diluting industrial wastewater sludge, and a recovery mechanism, the recycling mechanism is arranged in the purifying box and used for conducting metal recycling treatment on diluted liquid, the diluting mechanism comprises two water inlet pipes, the two water inlet pipes are both arranged at the top of the purifying box, a connecting box is arranged at the top of the purifying box, and the connecting box is fixedly connected to the water outlet ends of the two water inlet pipes; the device has the beneficial effects that the recovery efficiency of metal in industrial wastewater sludge is greatly improved, meanwhile, the device adopts the dilution mechanism and the recovery mechanism to work in real time, so that great benefits are brought to producers, and in addition, the device adopts the design of a plurality of powerful magnets, so that the production efficiency is greatly improved. And the metal recovery effect is better.

The invention relates to the technical field of food packaging, and discloses a flour packaging bag based on single material compositing, which comprises a middle-sealed folding bag and an eight-edge-sealed folding packaging bag, and comprises a first bag body and a first bag side applied to the middle-sealed folding bag, one side edge of the bag body is connected end to end and then is sealed to form a middle sealing part, and the other side edge of the bag body is sealed to form an eight-edge-sealed folding packaging bag. The first bag body and one end face of the bag side are connected and then are subjected to edge sealing to form a transverse sealing part, the position, located on the transverse sealing part, of the first bag body is coated with an adhesive tape, and after middle sealing is completed, the middle sealing part is attached to the adhesive tape. By adopting the unstretched PE film composite design, the tensile strength, the heat sealing performance and the tear resistance of the packaging bag are remarkably improved, the heat sealing temperature is as low as 120 DEG C or below, and the bag breaking risk is reduced; the method is suitable for complex bag shape processing; through the environment-friendly solvent-free adhesive and the dry type compound technology, the production efficiency is improved, the cost is reduced, meanwhile, efficient recycling and environment-friendly performance are achieved, and the packaging requirement of heavy objects is met.

The invention belongs to the technical field of rubber, and particularly relates to vulcanized rubber with a vulcanization network structure regulated and controlled by a sulfur-containing regulator and a preparation method of the vulcanized rubber. Specifically, the invention provides a method for preparing vulcanized rubber with a vulcanized network structure regulated and controlled by a sulfur-containing regulator, and the method comprises the step of vulcanizing 100 parts by weight of raw rubber in the presence of 0.5-2 parts by weight of the sulfur-containing regulator, so as to obtain the vulcanized rubber with high mechanical property and creep resistance. The invention further provides a method for preparing the vulcanized rubber with the sulfur-containing regulator for regulating and controlling the vulcanization network structure, and the method comprises the step of vulcanizing 100 parts by weight of raw rubber in the presence of 3-8 parts by weight of the sulfur-containing regulator, so that the vulcanized rubber with high mechanical properties and recovery and self-healing properties is obtained. The performance of the vulcanized rubber is remarkably improved through the method which is simple and easy to operate, and the method is very suitable for industrial application and popularization and has the excellent cost advantage.

The invention relates to a method for efficiently recovering valuable components of complex low-grade platinum-palladium-oxygen-sulfur mixed ore. The method comprises the following steps: (1) pretreating the low-grade platinum-palladium-oxygen-sulfur mixed ore to be treated; (2) carrying out primary enrichment on useful components; (3) secondary enrichment by a pyrogenic process; (4) performing different-structure ore making to obtain different-structure sulfonium ore; (5) separating different ores to obtain alloyed gold, silver-containing copper sulfide concentrate and nickel sulfide cobalt concentrate; (6) separating alloyed gold; and (7) respectively refining by-products copper and nickel. According to the method, the efficient recovery effect on the valuable components of the complex low-grade platinum-palladium-oxygen-sulfur mixed ore is remarkable, the recovery rates of the valuable components such as platinum, palladium, gold, silver, copper and nickel are all 60% or above, the recovery benefits are good, the process is stable, adaptability is high, and the method has important significance on comprehensive utilization of low-grade platinum-palladium ore resources poor in copper and nickel.

The invention relates to the technical field of photovoltaic module resource recovery, in particular to a method and device for recovering metal in a photovoltaic module welding strip. The recovery method provided by the invention comprises the following steps: splitting a waste photovoltaic module to obtain a photovoltaic module solder strip; carrying out acid leaching treatment on the photovoltaic module welding strip by adopting a nitric acid solution to prepare copper-rich leaching residues and a first solution; a first alkaline solution is added into the first solution, the pH value of the first solution is made to be 1-2, and a tin-rich solid and a second solution are prepared; a second alkaline solution is added into the second solution, so that the pH value of the second solution is 5-6.5, and a copper-rich solid and a third solution are prepared; a third alkaline solution is added into the third solution, the pH value of the third solution is made to be 8-10, and a lead-rich solid and a fourth solution are prepared; wherein the mass concentration of the nitric acid solution is 5%-10%. According to the recycling method, tin, copper and lead can be effectively separated and recycled, and recycling of resources is achieved.

The invention belongs to the technical field of oil-water emulsion demulsification, and provides a magnetic nano demulsifier as well as a preparation method and application thereof. The preparation method comprises the following steps: dissolving polydopamine in a phosphate buffer solution to obtain phosphoric acid polydopamine; the preparation method comprises the following steps: mixing phosphoric acid polydopamine with Fe3O4, and stirring under dark and aerobic conditions to obtain a Fe3O4 and polydopamine compound; and dissolving the compound in a phosphate buffer solution, mixing with block polyether, and stirring under ultraviolet irradiation and aerobic conditions. The invention also discloses the magnetic nano demulsifier prepared by the method and application of the magnetic nano demulsifier in oil-water emulsion treatment. The surfactant is firmly fixed on the surfaces of the magnetic nanoparticles through polydopamine, so that surface activity modification is realized, the surface wettability of the demulsifier is improved, the demulsifier is prevented from falling off, and the repeated utilization rate of the demulsifier is increased. The demulsifier has excellent demulsification efficiency and cyclic utilization performance, and has important application value and development potential in the field of emulsified oil treatment.

The invention discloses an efficient iron-based catalyst as well as a preparation method and application thereof. The efficient iron-based catalyst is obtained by taking iron mud as an iron source, taking biochar as a carbon carrier, taking a mixture of the iron mud and the biochar as a precursor and taking alternating current or direct current as a triggering mode. The iron-based catalyst can be applied to treatment of organic polluted wastewater by cooperating with an oxidizing agent, and has efficient degradation capacity at different pH values. According to the method, waste is treated with waste, and waste of iron resources is avoided; through application of a new technology, a traditional recycling method is simplified, and sustainable disposal of harmlessness, reduction and recycling of the iron sludge is achieved. Therefore, the method has great market popularization prospects and has important significance on environmental protection.

The invention belongs to the technical field of foam composite materials and application thereof in natural gas hydrates, and particularly relates to an amphiphilic composite foam material and a preparation method and application thereof. The preparation method of the amphiphilic composite foam material comprises the following steps: taking a precursor solution of polyimide and polytetrafluoroethylene as raw materials, foaming through an isocyanate method to obtain a polytetrafluoroethylene / polyimide foam material, and then carrying out alkali etching on the polytetrafluoroethylene / polyimide foam material to obtain the amphiphilic block type composite foam material. The preparation method of the amphiphilic composite foam material is low in raw material cost, simple in process, reliable in principle, high in recyclability and friendly to preparation environment, and the prepared foam material is stable in structure. The invention further provides application of the amphiphilic composite foam material in storage of the natural gas hydrate, and the amphiphilic structure distributed in a block mode can synergistically promote efficient and rapid generation of the natural gas hydrate.

The invention relates to the field of building materials, provides a high-performance and environment-friendly geopolymer which comprises an aluminosilicate-based raw material extracted from industrial waste residues, an alkaline activator, an additive and water, and further provides a preparation method of the high-performance and environment-friendly geopolymer. The preparation method comprises the following steps: weighing the aluminosilicate-based raw material, the alkaline exciting agent, the additive and the water according to the proportion, mixing the aluminosilicate-based raw material, the alkaline exciting agent and the water, adding the additive, and mixing and stirring to form homogeneous slurry; the slurry is poured into a mold, curing is conducted in the environment with the temperature being 20-90 DEG C and the humidity being 60%-90%, the curing time is not shorter than 28 days, and the constant condition is kept in the first 7 days. The geopolymer disclosed by the invention is a novel geopolymer material with high strength, low shrinkage, good bending resistance and environmental friendliness, and the material has the characteristics of high performance, high weather resistance and environmental friendliness.

The invention belongs to the technical field of film materials, and particularly relates to a high-barrier polyethylene film and a preparation method thereof. The material consists of a polyethylene-based film layer, a coating barrier layer and an aluminum-plated layer, wherein the polyethylene-based film layer is prepared by combining nine layers of co-extruded films with a micro-stretching process; the coating blocking layer is composed of a water-based acrylic acid coating layer and a water-based polyvinyl alcohol coating layer which are connected in sequence, the polyvinyl base film layer is coated with the water-based acrylic acid coating layer, and the aluminum plating layer is plated on the water-based polyvinyl alcohol coating layer in a vacuum mode. The high-barrier polyethylene film material is good in barrier effect and can be recycled.

The utility model discloses a high-stability machine tool for an engraving machine, which relates to the technical field of machine tools for engraving machines and comprises a support frame, an adjusting unit is arranged on the top surface of the support frame, a dust collecting unit is arranged on the bottom surface of the adjusting unit, and a dust removing unit is fixedly connected to the top surface of the support frame. A cooling unit is arranged on the top face of the supporting frame and comprises a water tank, the water tank is fixedly connected to the inner side of the top face of the supporting frame, one side of the water tank is sleeved with a water conveying pipe, the inner side of the surface of the water conveying pipe is sleeved with a first water pump, one end of the water conveying pipe is sleeved with a water spraying opening, and a third tank door is arranged on one side of the water tank. A second filter screen is slidably connected to the inner side of the water tank, the inner side of the top face of the water tank is sleeved with a backflow pipe, and the inner side of the surface of the backflow pipe is sleeved with a second water pump. Through mutual cooperation of the water tank, the water conveying pipe, the first water pump and the water spraying opening, the effect of conveniently and rapidly dissipating heat of the carving material is achieved.

The present invention discloses an engine power enhancing energy-saving protector, wherein a filter element device is connected to a magnetizing device assembly installed in a housing of an oil filter, wherein the filter element device is composed of a supporting member, a filter element and a supporting member tray, wherein the supporting member is detachably connected to the magnetizing device assembly, and then the filter element is sleeved on the supporting member to filter the oil passing through the supporting member, and then the supporting member tray is detachably arranged on one end of the supporting member and is restricted to the other end of the filter element. By adopting the technical solution, the structure of the filter element device is simplified, the processing cost and the installation difficulty are reduced, and when the filter element device needs to be replaced regularly, only the filter element for filtering the oil needs to be removed and replaced, and the supporting member and the supporting member tray continue to be used, thereby saving materials and realizing the recyclable utilization of product resources, which is both environmentally friendly and reduces the production cost of the product, and has good practicality.

The invention relates to a high-strength hard alloy tenon-and-mortise connection coal mine well supporting member which comprises a top arc-shaped supporting rod, a pair of bottom vertical supporting rods arranged symmetrically and a pair of middle arc-shaped supporting rods, and the supporting rods are connected in sequence. The top arc-shaped supporting rod, the bottom vertical supporting rod and the middle arc-shaped supporting rod are aluminum alloy sections with the same cross section shape. The cross section is I-shaped; strip-shaped grooves are formed in the two ends of the middle arc-shaped supporting rod, and the first connecting piece and the second connecting piece are the same in structure and are rectangular blocks provided with T-shaped grooves; the top arc-shaped supporting rod, the bottom vertical supporting rod and the middle arc-shaped supporting rod are connected in the circumferential direction. The coal mine well supporting member has the following characteristics that the safety performance is high; the supporting structure is simplified; cost is low, efficiency is high, construction comprehensive cost is reduced, and construction efficiency is improved; the materials can be repeatedly utilized; the universality and the interchangeability are high; and mixed support can be formed.

The invention discloses a heat recovery device of an artificial climate chamber refrigerating system, and relates to the technical field of heat recovery. The heat recovery device of the refrigeration system of the phytotron comprises a refrigeration device, a discharge port is formed in the outer wall of the refrigeration device, and a guide mechanism is fixedly connected to the outer wall of the refrigeration device. According to the heat recovery device for the refrigerating system of the phytotron, by means of the special structural design of the bent pipe and the application of the Bernoulli principle, it is ensured that impurities carried by gas can smoothly flow into the impurity box under the pushing of pulse airflow through the pressure difference formed at the exhaust hole, and in the long-term operation process, even if the gas contains many impurity particles, the impurities can still flow into the impurity box. Impurities such as dust and greasy dirt are removed, deposition of the impurities in the bent pipe and a follow-up heat recovery component is reduced, the problem that an airflow channel is blocked due to impurity accumulation is solved, stable operation of the device is guaranteed, and the equipment maintenance cost and downtime caused by blocking are reduced.

The invention discloses a three-dimensional cobalt metal organic complex and a preparation method and application thereof, and belongs to the technical field of crystal materials. The three-dimensional cobalt metal organic complex with the chemical formula of [Co (DPDA) (4, 4 '-bpy)] n is prepared by selecting 2, 5-diketopiperazine-N, N'-diacetic acid, 4, 4 '-bipyridine and cobalt ions as raw materials. The three-dimensional network structure has a six-connection three-dimensional network structure of a dual-core [Co2 (COO) 2] structural unit, and the topological symbol is {312.424. 59}. Besides, the three-dimensional cobalt metal organic complex can quickly activate peroxymonosulfate to effectively degrade dyes, can degrade three dyes, namely methylene blue, malachite green and crystal violet, to 95.0% or above within 5 minutes, does not generate toxic byproducts in the degradation process, and has a relatively good reuse rate. In addition, the three-dimensional cobalt metal organic complex is mild in synthesis condition and simple in step, has excellent structural stability and good thermal stability, and has antiferromagnetism at high temperature.

A resin composition for fixing an easily detachable rotor, which is used to form a fixing member (130) in a rotor (100), the rotor (100) is provided with a rotor core (110) which is fixedly arranged on a rotating shaft and is provided with a plurality of hole parts arranged along the peripheral edge part of the rotating shaft, a magnet (120) which is inserted into the hole part (150), and the fixing part (130) which is arranged at the separation part of the hole part (150) and the magnet (120), and the resin composition for fixing the rotor contains a thermosetting component. A cured body obtained by thermally curing the resin composition for fixing the rotor has a structure represented by formula (1). Wi is equal to '152.4' / gt; (In formula (1), R1 and R2 each independently represent any one of a hydrogen atom, a C1-30 hydrocarbon group or aromatic group, a hydroxyl group, and a C1-30 alkoxy group. > # imgabs0 #

This application relates to the field of polymer materials technology, providing a PET elastomer, composite material, dynamic covalent network polymer, and its preparation method and application. The elastomer is prepared by in-situ self-assembly of crown ether-primary amide dual-functionalized PET through melt blending. Its molecular network integrates a quasi-rotaxane supramolecular crosslinking network. This structure is formed by the host-guest interaction between the crown ether and the primary amide, and can act as a sliding crosslinking point to dissipate energy through the sliding of cyclic components. This application employs a two-step end-capping-in-situ self-assembly process to overcome the technical obstacles of low PET chain-end activity and poor compatibility between polyrotaxane and PET, achieving molecular-level dispersion of quasi-rotaxane in the PET matrix. This fully utilizes the molecular pulley effect to achieve breakthrough toughening of the elastomer. Simultaneously, it combines rigid nanofillers modified with aminosilane coupling agents to form a soft-hard synergistic network, enabling the PET composite material to maintain high toughness while simultaneously improving strength, modulus, and thermal properties.

The utility model discloses a recoverable material battery top cover plate structure, which belongs to the technical field of new energy batteries, and is characterized by comprising a top cover plate main body made of a single recoverable metal material, and a positive pole column and a negative pole column are respectively arranged on two sides in the top cover plate main body in a penetrating manner. A pressure relief channel is formed in the middle of the interior of the top cover plate body, an anti-explosion film is arranged in the pressure relief channel, a liquid injection hole is formed in the right side of the interior of the top cover plate body, and a sealing structure is arranged in the liquid injection hole. The sealing structure comprises a fixing screw, the fixing screw is in threaded connection to the top of the interior of the liquid injection hole, a connecting column integrated with the fixing screw is arranged at the bottom of the fixing screw, a rubber plug is rotationally connected to the bottom of the surface of the connecting column, and the surface of the rubber plug is in close contact with the inner wall of the liquid injection hole, so that the effect is achieved.

The present invention discloses an electronic atomizer battery structure and an electronic cigarette. The electronic atomizer battery structure comprises a metal shell, a battery is arranged in the metal shell, the battery has a positive electrode and a negative electrode, the negative electrode is electrically connected to the metal shell, a metal cap is arranged at one end of the metal shell, the positive electrode is electrically connected to the metal cap; an electronic cigarette comprises the electronic atomizer battery structure. The present invention is applied to the technical field of electronic cigarettes.