27results about How to "Barrier erosion" patented technology

The invention discloses an anti-oxidation and anti-corrosion coating for an aluminum electrolysis carbon anode and a preparation method of the anti-oxidation and anti-corrosion coating, the coating comprises the following components in percentage by mass: 30%-40% of a main component, 15%-25% of a secondary component, 10%-15% of a binder, 15%-25% of an anti-corrosion additive and the balance of water, and the main component comprises white corundum powder, red corundum powder and microcrystalline corundum powder; the secondary component comprises a secondary component 1 and a secondary component 2, and the secondary component 1 comprises phlogopite, biotite and soda mica; the secondary component 2 comprises potassium feldspar, albite and anorthite; the binder is sodium water glass and potash water glass. The anti-oxidation and anti-corrosion coating for the aluminum electrolysis carbon anode is simple and convenient to prepare, the carbon anode in work can be well protected after being coated with the anti-oxidation and anti-corrosion coating, the weight loss ratio of samples of all embodiments is calculated to be only about 0.8%, and the problems of anode oxidation and coating corrosion are effectively relieved.

The utility model belongs to the technical field of perovskite solar cells, and particularly discloses a packaged perovskite solar cell, which comprises a substrate, a transparent conductive layer, a perovskite functional layer, a packaging assembly and a packaging cover plate which are sequentially stacked from bottom to top, and is characterized in that the packaging assembly comprises a first packaging adhesive and a second packaging adhesive which have different viscosities; wherein the first packaging adhesive is arranged between the transparent conductive layer and the packaging cover plate and forms a sealed space, the outer surface of the perovskite functional layer is covered with the passivation layer, and the passivation layer and the perovskite functional layer are both located in the sealed space; and the second packaging adhesive is filled in the residual sealing space and is in contact with the transparent conductive layer, the passivation layer, the first packaging adhesive and the packaging cover plate. According to the utility model, the corrosion of water and oxygen to the perovskite functional layer can be effectively blocked through multiple sealing barriers, and meanwhile, the viscosity of the first packaging adhesive is greater than that of the second packaging adhesive, so that the coating for manufacturing a fluid packaging layer is facilitated, the problems of uniformity and cracking of a later material can be effectively reduced, and the service life of the cell is remarkably prolonged.

The invention provides shape memory water-based hydraulic damping fluid containing electromagnetic rheological polymer composite particles and a preparation method of the shape memory water-based hydraulic damping fluid, and belongs to the field of water-based hydraulic damping fluid. Ferroferric oxide is synthesized through an oxidation-precipitation method, the dispersity and stability of particles are improved through sodium citrate on the basis of the excellent magnetic performance of the ferroferric oxide, and meanwhile, a silicon dioxide shell layer is coated through a sol-gel method so as to enhance the chemical stability and oxidation resistance of the ferroferric oxide. And further modifying and introducing isocyanate propyl triethoxy silane and cystamine dihydrochloride to construct self-repairing and shape memory functions on the surfaces of the particles. And in combination with the shape memory characteristic of a polyurethane matrix, magnetic response, dynamic regulation and control and multifunctional application are realized. And the finally prepared electromagnetic rheological polymer composite particle material has excellent performance and wide application prospect.

This invention relates to the field of insulating materials for porous copper foil preparation, and particularly to an insulating material for porous copper foil preparation and its preparation method, as well as a method for preparing porous copper foil. The preparation method includes the following steps: perforating a cathode plate to obtain a cathode plate with multiple blind holes; filling the blind holes with an insulating material for porous copper foil preparation, and curing it to obtain a pretreated cathode plate; the raw materials for the insulating material are: resin, reactive diluent, thixotropic agent, leveling agent, polymerization inhibitor, and photoinitiator. The pretreated cathode plate is used as the cathode and placed in an electrolyte for electrodeposition to obtain porous copper foil. When preparing porous copper foil with the insulating material, the filling material in the blind holes can withstand more than 80 electroplating cycles without peeling off, indicating that the insulating material for porous copper foil preparation possesses excellent adhesion and electrolyte environment durability, enabling a single-filled cathode to support stable electrodeposition over an ultra-long period, significantly extending its effective service life.

The utility model relates to the technical field of tunnel waterproofing, and discloses a mountain tunnel waterproof structure which comprises a tunnel body, a water absorption structure, a water insulation structure and a water storage structure, the tunnel body is composed of a foundation, a tunnel outlet lining and a tunnel second lining, the tunnel outlet lining and the tunnel second lining are both arranged on the foundation, and a contour frame is arranged on the outer side of the tunnel outlet lining. The water absorption structure comprises an external water absorption structure and an internal water absorption structure, the external water absorption structure is arranged between the outline frame and the tunnel outlet lining, the internal water absorption structure is arranged between the tunnel outlet lining and the tunnel second lining, and the water storage structure is arranged at the bottom of the external water absorption structure; the waterproof structure is divided into the water absorption structure, the water insulation structure and the water storage structure, so that the problem that more water seeps out of the structural joints is effectively solved, the water absorbed by all the water absorption structures can be stored, water resources are saved, and the maintenance and repair cost of the mountain tunnel is greatly reduced.

The application discloses a kind of corrosion-resistant shielding cover, be provided with first shielding cover and second shielding cover, the first shielding cover and second shielding cover between being provided with assembly component, the first shielding cover is provided with first shielding space, the second shielding cover is provided with second shielding space, the first shielding space and the second shielding space for electrical component shielding high-voltage arc are provided with partition, both ensure the structural stability under high pressure environment, and simplify field installation process, partition is guided assembly by hollow groove and adaptive groove, precise positioning is realized, its lifting jack is convenient for operator to operate dismounting, maintenance efficiency is significantly improved, the setting of assembly flange and locking bolt enhances the adaptability with other electrical components, and the design of reinforcing plate embedding assembly side groove is targetedly strengthened local structural strength, effectively resist high-voltage arc impact.

This invention discloses a metal push-button switch and its installation method, comprising a housing, a sealing screw sleeve, and a rotary drive ring. The housing includes a cylindrical section and a first support at one end. The cylindrical section has external threads and a terminal block at the bottom. The inner wall of the through hole of the sealing screw sleeve has internal threads that engage with the external threads. A sealing plate is rotatably connected to the bottom of the sealing screw sleeve, and a piercing sealing membrane is provided in the wire hole of the sealing plate. A second support is provided at one end of the sealing screw sleeve. A rotary drive ring is rotatably connected to a rotating groove at one end of the cylindrical section. The rotary drive ring is inserted into the connecting groove of the sealing screw sleeve via a connecting rod. Rotating the rotary drive ring causes the sealing screw sleeve to rotate, clamping and fixing the second support and the rotary drive ring to the mounting hole surface. The entire fastening operation of this switch is completed on the front of the panel, solving the problem of installation from the back in confined spaces. Furthermore, the wiring is reliably sealed, and the wires do not twist during fastening.

The application belongs to the technical field of high polymer materials, and provides a persistent slow-release aromatic master particle and a preparation method thereof. The application obtains essence powder by mixing and aging aromatic substances and a slow-release agent; the essence powder, dry carrier resin, dry dispersing agent, plasticizer and compounded antioxidant are mixed, and low-temperature extrusion, cooling and granulation are sequentially performed to obtain the persistent slow-release aromatic master particle. The method adopts the slow-release agent to physically adsorb and anchor the liquid aromatic substances, and forms stable essence powder; during melt blending, the essence powder is wrapped by the carrier resin and fixed in the polymer network, and the release of the essence is delayed through the physical barrier effect, and the fragrance retention time is significantly prolonged. Meanwhile, the method adopts the low-temperature extrusion process to greatly reduce the heat loss and metamorphic risk of the aromatic substances in the processing process, ensures the purity of the fragrance type and the high retention rate of the effective components, and the obtained aromatic master particle has good processing adaptability, long-acting slow-release performance and safety.

The invention discloses a 10kV line spray-type fast-curing conductive paste, which is based on a conductive composite material of graphene and polymer, and is prepared into a polymer compound with special functional groups by using organic carriers such as dimethylacetamide, synthetic grease, silicone oil, ethylene glycol butyl ether, ethyl cellulose, polyimide resin, epoxy resin and graphene (particle size is 20-35 nanometers respectively). It is a conductive paste with fast curing, sprayability, strong adhesion, large diameter-thickness ratio and excellent mechanical properties. It can replace the previous power outage maintenance and fault elimination method, and quickly and efficiently handle heating defects through live long-distance spraying or close-range smearing, reduce distribution network power outages, increase supply and reduce outages, and effectively ensure the safety of live workers in heating and fault elimination.

The utility model relates to the technical field of liquid level meters, and discloses an anti-explosion and anti-corrosion radar liquid level meter applied to chemical industry. A protective shell is arranged on the outer side surface of a bolt, a groove is formed in one end of the outer side of the protective shell, a top plate is fixedly connected to the upper end of the protective shell, and a rotating plate is rotationally connected to the interior of a through hole formed in the upper surface of the top plate; installation and maintenance are convenient and fast; the protective shell structure adopts a threaded pressing plate structure and can be conveniently connected to the radar liquid level meter body, so that the mounting process can be simplified, the mounting time can be shortened, and the mounting reliability can be improved; the protective shell structure has the anti-explosion and anti-corrosion characteristics, can protect the radar liquid level meter from being influenced by the external environment, and can provide an effective physical barrier to prevent the liquid level meter from being corroded by moisture, corrosive media and the like. By additionally arranging the protective shell structure which is easy and convenient to install, the installation difficulty and risk of the radar liquid level meter can be reduced, and the safety and convenience of operators are improved.

The invention discloses a corrosion-resistant refractory material for a waste liquid furnace and a preparation method of the corrosion-resistant refractory material, the refractory material is composed of aggregate, matrix powder, a binding agent and a process additive, the aggregate comprises tabular corundum particles, fused zirconia corundum particles and silicon carbide fine powder, the matrix powder comprises alpha-alumina micro powder, zirconite ultra-fine powder, metal silicon powder and yttrium-stabilized zirconia nano powder, the binding agent is a compound system of phenolic resin and silica sol, and the process additive is composed of a polycarboxylate dispersant and a lignosulfonate plasticizer; the preparation method comprises the steps of multi-stage mulling, vibration pressure forming and controllable atmosphere segmented sintering, and a compact and continuous ZrC-ZrO2 nano-composite coating is generated in situ at pores and grain boundaries in the material by carrying out a high-temperature reaction in a specific weak reducing atmosphere. The technical problem that corrosion resistance and thermal shock resistance of a traditional refractory material are difficult to consider at the same time is effectively solved, and the service life of the waste liquid furnace lining is remarkably prolonged.

The utility model provides a vertical stock bin with good sealing performance, and relates to the technical field of stock bins, the vertical stock bin comprises a main stock bin, inner bin frames and side annular belts, the inner bin frames are arranged on the inner side of the main stock bin in the vertical direction at intervals, the side annular belts are arranged on the two sides of each inner bin frame, fixed inner supporting frames are arranged on the inner side of the main stock bin in the vertical direction at intervals, and the side annular belts are arranged on the inner supporting frames. Front closed cabin doors are arrayed in the vertical direction of the front portion of the main bin at intervals, rear closed cabin doors are arrayed in the vertical direction of the rear portion of the main bin at intervals, the upper ends of the front closed cabin doors are rotationally connected with the main bin in a matched mode through rotating shafts, and the lower portions of the rear closed cabin doors are rotationally connected with the main bin in a matched mode through hinges. The front closed cabin door and the rear closed cabin door are used for discharging and feeding respectively, physical separation of feeding and discharging is achieved, the interference problem of bidirectional material flowing is avoided, and the problems that a feeding port and a discharging port of the stock bin are not effectively separated, and mutual interference is prone to occurring in feeding and discharging are solved.

The application relates to the technical field of traffic safety, in particular to a high-weather-resistance reflective film and a manufacturing method thereof. The high-weather-resistance reflective film comprises a PET film, a reflective adhesive layer coated on the surface of the PET film, and a silicone coating layer coated on the surface of the adhesive layer; the reflective adhesive layer is formed by uniformly scattering glass beads on the surface of the PET film after the adhesive material is coated on the surface of the PET film; the raw material of the adhesive material comprises, by mass fraction, 50-150 parts of a hydroxyl-containing acrylate resin, 5-12 parts of an IPDI prepolymer, 1-2 parts of UV329 ultraviolet absorber, and 0.5-1.5 parts of anti-aging agent 1076. The reflective film has excellent self-cleaning performance, good reflectivity, long-term stable weather resistance, can effectively reflect incident light, effectively protects the reflective glass beads, can maintain the performance for a long time under various environments and conditions, and is suitable for being used as a traffic sign.

The application provides a piezochromic grounding shielding assembly for a plant protection unmanned aerial vehicle peristaltic pump and a monitoring method thereof, and relates to the technical field of unmanned aerial vehicles. The shielding assembly comprises a multilayer composite structure of a conductive metal substrate layer, a piezochromic functional layer, a transparent conductive protective layer and an anti-corrosion sealing layer. The piezochromic functional layer adopts a polydiacetylene-silver nanowire composite system and undergoes reversible blue-red phase transition under the action of grounding contact pressure. The monitoring method comprises the following steps: periodically collecting images of the color-changing area by an onboard miniature CMOS camera, extracting chromaticity parameters in the CIE Lab color space, establishing a chromaticity-grounding impedance mapping model, realizing four-level grading evaluation of grounding quality, and reporting in real time to a ground station through a flight control system. The application simultaneously provides passive visual indication and active digital monitoring dual functions without increasing the wiring and power supply burden, and significantly improves the reliability and maintainability of the shielding system of the plant protection unmanned aerial vehicle peristaltic pump.

The present invention relates to a Zr-V-Cr-Si-C composite ceramic material containing a surface pre-oxidation layer and a preparation method thereof, and belongs to the field of composite material preparation. A phenolic resin solution is mixed with Zr powder, V powder, Cr powder, C powder and inorganic fiber and then pressed to obtain a blank I; after Si powder is laid on the surface of the blank I by an embedding method, silicon is infiltrated by a reactive melt infiltration method to obtain a blank II; the blank II is flame pre-oxidized to obtain a Zr-V-Cr-Si-C composite ceramic material containing a surface pre-oxidation layer, and the method can form a dense pre-oxidation layer on the surface of the composite ceramic material, which can act as an oxygen isolation barrier and effectively block oxygen from corroding the inside of the matrix.

This invention discloses a nano-solid-state hydrogen storage material and its preparation method, belonging to the field of new energy materials technology. The nano-solid-state hydrogen storage material has a core-shell structure, comprising a nano-magnesium-based active phase core and a functionalized porous carbon material outer shell; the core contains in-situ grown multi-metal nanocatalyst particles; the outer shell is doped with non-metallic elements and loaded with metal-organic framework derivative nanoparticles; the core-shell structure is dispersed in a three-dimensional interconnected carbon-based network framework. The preparation method includes: preparing a multi-metal-organic framework precursor solution; synthesizing multi-metal-organic framework nanoparticles using a solvothermal method; chemically combining with a magnesium source and a nickel source to obtain a precursor composite; carbonization treatment to obtain a porous carbon-coated multi-metal nanocatalyst@magnesium-based composite material; constructing a three-dimensional network framework by combining with a functionalized carbon source and metal-organic framework derivatives; and high-pressure hydrogenation treatment. The material of this invention exhibits a low hydrogen desorption temperature, rapid hydrogen absorption and desorption kinetics, and excellent cycle stability.

The application relates to an electric field fan variable-winding insulation reinforcing device and relates to the technical field of electric field fans, which comprises a winding main body, and a polyimide film is fixedly installed on the outer side of the winding main body. The polyimide film can effectively improve the insulation capacity of the outer side of the winding main body, thereby reducing the influence of an electric field on insulation materials, and a heat conduction assembly can timely lead out the heat generated during the working of the winding main body, alleviates the problem that the insulation materials are accelerated to age due to heat accumulation, and a sealing assembly forms a closed inert gas environment, completely blocks the erosion of external dust and moisture on the insulation materials, cooperates with a silicon rubber buffer layer to absorb electromagnetic vibration and mechanical impact stress in the operation of the fan, prevents the insulation layer from generating microcracks due to fatigue, and a silicon carbide coating covers the outermost layer, continuously leads out the static charges accumulated on the surface, and the two further protect the winding main body, and improve the operation stability and service life of the electric field fan.

According to the technical scheme, the heat preservation type high-temperature water vapor pipe sleeve with the anti-tearing function is characterized by comprising high-strength fiber cloth, and a metal net is fixed to the inner circle wall of the high-strength fiber cloth in an adhering mode; the heat preservation assembly is arranged on one side of the metal net and used for heat preservation, the high-strength fiber cloth has excellent strength and wear resistance, the overall tear resistance is further enhanced by adding the metal net, and therefore when the pipe sleeve is subjected to long-term scouring of high-temperature water vapor and possible mechanical damage, the heat preservation assembly can be prevented from being damaged; the integrity and stability of the structure can be kept, the high-strength fiber cloth and the metal net are combined, so that the pipe sleeve can bear higher temperature and pressure, the service life of the pipe sleeve is prolonged, the main function of the heat preservation assembly is to reduce heat loss of water vapor in the pipeline transmission process, the transmission efficiency of the water vapor can be improved, and the service life of the pipe sleeve is prolonged. And the energy cost can be saved.

The invention discloses a rapid reinforcing method for bridge deck pavement based on a UHPC-steel mesh composite layer, and belongs to the technical field of bridge engineering reinforcement. According to the method, a scientific disease grading evaluation system is combined with key part correlation analysis to optimize the reinforcement range, reinforcement requirements of different disease areas are accurately matched, and combined with base surface treatment, steel mesh positioning and UHPC material modification processes, collaborative stress of a composite layer, an original base layer and a steel mesh and composite application of the UHPC material and modified steel fibers are enhanced, so that the comprehensive performance of the composite layer is improved. The impermeability, corrosion resistance and mechanical property uniformity of the composite layer are improved, the service cycle of the bridge deck is prolonged, and the bearing performance and damage resistance of the bridge deck are remarkably improved; and meanwhile, the layered pouring and adaptive vibrating technology is combined with the steam rapid curing technology, the construction and curing period is greatly shortened, interference to traffic passing is reduced, the later repair rate is reduced through the precise detection and control technology, the maintenance investment is reduced, and balance of the reinforcing effect and economic benefits is achieved.

The embodiment of the present application provides a flexible OLED display panel and a preparation method thereof. The flexible OLED display panel provided by the embodiment of the present application, by setting a barrier layer between the flexible substrate and the TFT layer, and setting the hydrogen content in the barrier layer to gradually decrease in the direction from the flexible substrate to the TFT layer, so that the hydrogen content of the barrier layer close to the flexible substrate is higher, so that the erosion of water and oxygen from the side of the flexible substrate can be effectively blocked, and the display image degradation and OLED device aging caused by the invasion of external water and oxygen can be avoided. In addition, since the hydrogen content of the barrier layer close to the TFT layer is low or does not contain hydrogen, it can effectively slow down or prevent the diffusion of hydrogen into the TFT layer, eliminate or reduce the influence of hydrogen diffusion in the barrier layer on the electrical properties of the TFT, improve the stability of the image quality of the flexible OLED display panel, and extend the service life of the flexible OLED display panel.

The invention discloses an unmanned aerial vehicle surveying device for surveying and mapping geographic information, and belongs to the field of unmanned aerial vehicle surveying. Comprising an unmanned aerial vehicle body, and a monitoring mechanism is arranged at the bottom of the unmanned aerial vehicle body; a plurality of supporting mechanisms are arranged at the bottom of the unmanned aerial vehicle body and located on the outer side of the monitoring mechanism. A floating mechanism is arranged between the two supporting mechanisms which are opposite front and back; the monitoring mechanism comprises a monitoring camera, and the top of the monitoring camera is in threaded installation with the bottom of the unmanned aerial vehicle body through a bolt; a guide rail is arranged on the left side of the monitoring camera; in order to solve the problem that the surveying and mapping camera is exposed for a long time, an openable and closable closed protection structure is additionally arranged, the camera can be completely closed during non-surveying and mapping operation, dust, water vapor, chippings and other sundries are effectively prevented from adhering to or eroding a lens, the lens abrasion and fouling probability is greatly reduced, the high-definition precision of aerial survey images is guaranteed, the service life of the camera is prolonged, and the working efficiency is improved. The equipment maintenance cost is reduced.

The invention belongs to the technical field of new energy cable joints, and particularly relates to a waterproof new energy cable joint capable of being quickly installed, which comprises a cable. One end of the cable is fixedly provided with a wiring port, the two sides of the wiring port are provided with guiding assemblies used for rapid positioning, one end of the wiring port is fixedly provided with a wiring conductor, one end of the wiring conductor abuts against a connecting piece, and the outer wall of the connecting piece is fixedly provided with a connecting pipe. A connecting block is mounted on the outer wall of the connecting pipe; according to the invention, through the arrangement of the guide assembly, when cable connection needs to be carried out, the problems that when a worker moves a conductor to one side of a connecting piece, the worker needs to continuously rotate the cable, the operation is tedious, and extra wear of the conductor is easily caused are avoided; therefore, a wiring port worker can adjust the position of the wiring conductor to be aligned with the connecting piece more conveniently and quickly, abrasion to the wiring conductor and the connecting piece in the adjusting process is reduced, and the service life of the device is prolonged.

This utility model discloses a cylindrical light source device for detecting internal defects in oil drums, comprising a coaxially connected hollow tube I and a hollow tube II. Hollow tube II is surrounded by an LED light panel and fitted with an optical diffuser tube. Industrial cameras with protective covers are symmetrically mounted at both ends. Modular assembly is achieved through hollow tube fixing components and diffuser tube fixing plates. The detection head fixing component is connected to an external lifting mechanism. This device can penetrate deep into the inspection port of the oil drum, achieving shadowless illumination using the diffuser tube. The dual cameras work together to complete 360° panoramic imaging, significantly improving the defect detection rate in confined spaces.

The invention discloses a preparation method of a barium sulfate coated calcium carbonate core-shell structure, which comprises the following steps: (1) respectively preparing a calcium chloride solution and a sodium carbonate solution, and quickly mixing the calcium chloride solution and the sodium carbonate solution to obtain a calcium carbonate suspension; (2) adding carbonate into the calcium carbonate suspension, stirring to dissolve the carbonate, mixing, dropwise adding a mixed solution containing calcium salt and barium salt, and reacting to obtain CaCO3 at BaCO3 slurry; and (3) dropwise adding sulfuric acid into the slurry, reacting to obtain CaCO3 and BaSO4 slurry, and washing and drying to obtain the CaCO3 and BaSO4 composite powder. According to the preparation method, the CaCO3at-BaCO3 core-shell structure is prepared by adopting a coprecipitation method, and then the CaCO3at-BaSO4 core-shell structure is obtained by adopting a chemical conversion method, so that the process is simple, a core-shell structure product of which the surface of calcium carbonate is completely and uniformly coated with barium sulfate can be obtained, the coating effect is good, and the product is regular in morphology and has good acid resistance.

This invention provides a sustained-release microcapsule and its preparation method. The sustained-release microcapsule comprises: a porous carrier core; an active ingredient loaded within the pores of the porous carrier core; and a bilayer membrane structure covering the outer layer of the porous carrier core. The bilayer membrane structure includes an inner membrane and an outer membrane, with the inner membrane located between the porous carrier core and the outer membrane. The inner membrane is a pH-responsive protective layer that maintains structural stability in acidic environments and swells and disintegrates in weakly alkaline environments. The outer membrane is a flavor-regulating layer for the sustained-release flavor substances. The porous carrier core of this invention provides a large specific surface area and pore structure, effectively solving the problems of easy oxidation and stratification of the active ingredient. The inner membrane protects the active ingredient from degradation in the acidic environment of the stomach and rapidly swells and disintegrates in the weakly alkaline environment of the small intestine, significantly improving bioavailability. The outer membrane improves the palatability of the product.

The application provides a high-temperature-resistant corrosion inhibitor suitable for various corrosion medium systems and belongs to the technical field of corrosion inhibitors. The corrosion inhibitor is composed of a high-temperature-resistant corrosion inhibitor main agent, a synergistic corrosion inhibitor, a surfactant and a solvent; the high-temperature-resistant corrosion inhibitor main agent is a 4'-tert-butyl-4-chlorobutyryl benzene modified bimolecular imidazoline quaternary ammonium salt compound; the synergistic corrosion inhibitor is a Mannich base compound; the surfactant is a commercially available fatty alcohol polyoxyethylene ether AEO-20 or nonylphenol polyoxyethylene ether TX-8; and the solvent is deionized water. The high-temperature-resistant corrosion inhibitor can inhibit high-temperature corrosion in various corrosion medium systems, reduce the risk of equipment damage and material leakage, and prolong the operation cycle of the device. Meanwhile, the high-temperature-resistant corrosion inhibitor does not contain harmful elements such as phosphorus to the environment, and does not affect the normal operation of the device and the quality of chemical products.

The invention relates to the technical field of grinding tool manufacturing, and discloses a high-layering-resistance grinding non-woven fabric which is prepared from pre-reaction ATBN modified phenolic resin, brown fused alumina grinding materials, alcoholysis-resistant titanate coupling agents, hydrophobic fumed silica, polyvinyl butyral and mixed solvents. Wherein the resin is of an interpenetrating network structure formed by pre-reaction grafting of amino-terminated liquid nitrile rubber and phenolic resin. The preparation method of the high-layering-resistance grinding non-woven fabric comprises the steps of PVB premixed liquid preparation, filler modification and dispersion, resin compounding, slurry blending, impregnation programmed heating curing and the like. By constructing a resin interpenetrating network structure and cooperating with interface synergistic modification, the fracture toughness of a binding agent layer and the holding force of the binding agent layer to the abrasive are improved, and the technical problems that a traditional phenolic aldehyde-based abrasive material is large in brittleness and prone to layering and sand falling are effectively solved.