46results about How to "Reduce flaking" patented technology

The invention relates to the technical field of building materials, and particularly discloses high-strength lightweight concrete containing hollow glass beads and a preparation method of the high-strength lightweight concrete. The high-strength lightweight concrete containing the hollow glass beads is prepared from cement, fly ash, carbon fiber grafted hollow glass beads, lightweight sand, deionized water, polypropylene fiber grafted rubber particles and a water reducing agent according to the mass ratio of (58-75): (25-38): (45-65): (20-40): (42-55): (35-55): (5-12) through mixing, mold filling, vibration molding, covering and demolding. The addition amount of the hollow glass beads is strictly controlled, the influence on the overall strength of the concrete is avoided, the density and weight of the concrete are reduced due to the addition of the light sand and the hollow glass beads, the compactness and integrity of the concrete are improved due to the synergistic effect of the two added fibers, and the raw materials have excellent cohesiveness; the concrete can effectively absorb and disperse stress, and has the advantages of excellent strength, light weight, good durability and excellent comprehensive performance.

The invention discloses a composite rubber material with wear resistance and high tear strength and a preparation method of the composite rubber material, and belongs to the technical field of rubber material processing. The technical problem that the enhancement effect of the filler on the wear resistance, tear resistance and mechanical strength of a rubber matrix needs to be further improved exists in the prior art. The composite material comprises the following components in parts by weight: 100-110 parts of internal mixed rubber, 1-2 parts of a vulcanization accelerator and 2-3 parts of a vulcanizing agent, modified polybutadiene is reinforced by aramid pulp, modified carbon black and modified graphene to prepare composite polybutadiene, and then styrene butadiene rubber is reinforced and modified by the prepared composite polybutadiene and silicone rubber to prepare the composite material. By improving the degree of crosslinking between material molecules and optimizing material composition, the wear resistance and tear resistance of the composite rubber material are effectively improved, and the mechanical property of the composite rubber material is also improved.

The invention discloses an aero-engine silicon carbide ceramic matrix composite part crack damage repairing method which comprises the following steps: removing an environmental barrier coating on the surface of a part, cleaning and drying; powdery active metal brazing filler metal and a connecting agent are selected to be mixed and then coated on cracks and nearby areas on the surface of the part; vacuum brazing, weld joint polishing, cleaning and drying are conducted; preparing a bonding layer and a middle layer of the environmental barrier coating by using atmospheric plasma spraying equipment, and preparing a surface layer of the environmental barrier coating by using a plasma-physical vapor deposition method; and the environmental barrier coating is polished, annealing treatment is conducted, and crack damage repairing of the silicon carbide ceramic matrix composite part of the aero-engine is completed. According to the vacuum brazing process, the strength of the base material can be effectively recovered by 50%-60%, the usable time of the base material is prolonged, parts can continue to serve, and the parts are prevented from being scrapped in advance; in addition, according to the EBC coating preparation technology, the porosity of the coating can be reduced, and therefore the service time of the repaired part is further prolonged.

The invention relates to the technical field of asphalt concrete, and discloses an anti-crack asphalt concrete material and a preparation method thereof. According to the asphalt concrete material disclosed by the invention, by adding the reinforcing filler and the composite aerogel, the crack resistance, the service life and the ultraviolet aging resistance of a matrix are remarkably improved; wherein the reinforcing filler is based on the synergistic effect among modified lignin, diatomite and hydrotalcite, the compatibility among modified lignin, diatomite and hydrotalcite is improved by utilizing a silane coupling agent, and the dispersity of the reinforcing filler in a matrix is improved, so that the crack resistance of the matrix is improved, the service life of the matrix is prolonged, and the ultraviolet resistance of the matrix is improved; the composite aerogel has excellent heat insulation performance and a three-dimensional network structure, and the crack resistance of the matrix can be improved through the synergistic effect.

The invention discloses a preparation method of a high-temperature wear-resistant multilayer material on the surface of a precision part, and relates to a preparation method of a high-temperature wear-resistant coating on the surface of the precision part. The invention aims to solve the technical problem of poor wear resistance of the surface coating of the precision part at high temperature at present. According to the invention, a magnetron sputtering multi-target co-sputtering mode is adopted, a laminated composite film is formed on the surface of a precision part such as a shaft, and selected target materials are a CoCrFeNi target, a Ti target and a CuNb target. In the preparation process of the multi-layer film, due to the fact that a large number of interfaces exist and can effectively hinder dislocation movement, and a large number of self-lubricating matter phases are matched together, the hardness and abrasion resistance of the material are improved, and the service life of the multi-layer film is prolonged. And the multilayer film structure can optimize the high-temperature phase transformation resistance of the whole coating by adjusting the thickness ratio and high-temperature elements between the layers, so that the high-temperature performance of the coating is remarkably improved, and the high-temperature wear resistance of the CoCrFeNi / Ti / CuNb multilayer material is more excellent.

The invention relates to a wear-resistant and anti-stripping toy coating and a preparation method thereof, and belongs to the technical field of coatings. The coating is prepared from a waterborne polyurethane resin emulsion, a waterborne modified polyacrylate copolymer emulsion, a styrene-stearyl alcohol methacrylate cross-linked polymer, castor oil isostearate succinate, an olibanum serratum resin extract, dimerized pentaerythritol hexahydroxy stearate, stearyl alcohol beeswax, a compound emulsifier, nano silicon carbide, nano aluminum oxide, nano silicon dioxide, nano silicon dioxide, nano silicon dioxide, nano silicon dioxide, nano silicon dioxide, nano silicon dioxide and nano aluminum oxide. The coating is prepared by taking nano bentonite, polytetrafluoroethylene micro powder, a silane coupling agent and other components as raw materials through a special method, has good wear resistance, stripping resistance and impact resistance, is safe and environment-friendly, has good protection to a base material and long service life, and is a high-quality toy product coating.

The invention discloses a preparation method of a metal surface nano coating for metal processing, which comprises the following steps: S1, carrying out laser processing on the surface of a metal piece to form a plurality of micron-sized elliptical hole structures; s2, the surface of the porous structure metal part is coated with a microcapsule filler; s3, after the microcapsule filler is dried, a nano coating solution is applied, and the drying time is 0.5-1 h; s4, the coated metal part is subjected to heating treatment, so that the microcapsules are broken, and inclusions are released to fill the porous structure; s5, the metal part is cooled, the cooling time ranges from 1 h to 2 h, and the filling layer is solidified; the microcapsule filler enhances the adhesive force between the surface of the metal part and the nano coating, after the porous structure formed by laser processing on the surface of the metal part is filled with the microcapsule filler, microcapsules are broken in the heating treatment process and release inclusions, the porous structure is filled with the microcapsules, micro unevenness on the metal surface is filled and leveled up, and the surface of the metal part is coated with the nano coating. And the nano coating can be attached to the surface of the metal piece more tightly.

The present invention relates to the technical field of composite membranes, and discloses a PO composite membrane and a preparation method thereof. The PO composite membrane prepared by the present invention comprises a base membrane and a coating liquid; wherein the base membrane is formed by coextrusion of an inner layer, a secondary outer layer and an outer layer, and the coating liquid is a mixture of the following raw materials in parts by weight: 25-35 parts of aluminum sol, 5-8 parts of modified hyperbranched polymer, 2-4 parts of polyvinyl pyrrolidone, 1-3 parts of sodium lauryl sulfate, 5-7 parts of polyacrylate resin, 4-6 parts of modified chitosan, and 45-55 parts of deionized water; after the base membrane is coated with the coating liquid, a composite membrane is obtained, which has excellent adhesion, hydrophilicity and drip anti-fogging performance.

The invention discloses a preparation method of a solid electrolyte composite coating modified positive electrode material. The preparation method specifically comprises the following steps: S1, preparing a positive electrode material composite coating layer; s2, optimizing the characteristics of the composite coating layer; s3, assembling the solid-state battery; the invention relates to the technical field of solid-state batteries. According to the preparation method of the solid-state electrolyte composite coating modified positive electrode material and the solid-state battery, the interface resistance between the positive electrode and the solid-state electrolyte is effectively reduced through the oxide-polymer composite coating layer, the rapid transmission of lithium ions is promoted, and the charge-discharge efficiency and the energy density of the battery are improved; the flexibility of the polymer and the high mechanical strength of the oxide are combined, the structural stability of the battery in the charging and discharging process is improved, the pulverization and peeling phenomena of the positive electrode material are reduced, the cycle life of the solid-state battery is remarkably prolonged by optimizing the composition and structure of the coating layer, the capacity fading is reduced, and the service life of the solid-state battery is prolonged. And the cycling stability and reliability of the battery are improved.

The invention discloses a high-entropy alloy composite coating material and a preparation method thereof. The method comprises the following steps: weighing powder according to the proportion of the high-entropy alloy composite coating material, and carrying out high-energy ball milling under the protection of inert gas to obtain mixed powder; preparing a high-entropy alloy coating by adopting a laser cladding process for the obtained mixed powder; and the prepared high-entropy alloy coating is subjected to heat treatment, the heat treatment temperature ranges from 800 DEG C to 1300 DEG C, the heat treatment time ranges from 1.0 h to 1.2 h, water quenching is conducted to the room temperature after heat treatment is finished, and the high-entropy alloy composite coating material is obtained. The eutectic high-entropy alloy coating is prepared through a laser cladding process method, the microstructure of the coating is changed through heat treatment and addition of ceramic particles, the hardness, wear resistance and corrosion resistance of the coating can be improved while the FCC + BCC double-phase eutectic microstructure in the coating is kept, and the coating has the advantages of being high in mechanical strength, good in corrosion resistance and the like. And the process can be adjusted according to application requirements to obtain high-entropy alloy coatings with different properties, and industrial application is facilitated.

The application relates to the technical field of wafer processing equipment, in particular to a reaction cavity for a high-hydrogen process and a plasma processing equipment, which comprises a quartz tube, a first coil is arranged outside the quartz tube and is connected with an external radio frequency power source, a Faraday shield cage is arranged outside the quartz tube and between the quartz tube and the first coil, a plurality of slits are formed in the Faraday shield cage and extend along the axial direction, a blocking piece is arranged in the quartz tube, and the structure formed by the orthographic projection of the blocking piece on the circumferential side wall of the Faraday shield cage covers the structure formed by the orthographic projection of the first coil on the circumferential side wall of the Faraday shield cage. The blocking piece arranged in the quartz tube can effectively block the concentrated bombardment of the plasma generated in the high-hydrogen process on the inner wall of the quartz tube, significantly reduces the erosion of the quartz tube and the peeling of the particles, and improves the process yield of the plasma processing equipment and the service life of the equipment.

This application relates to the field of coating technology, specifically disclosing a heat-insulating, flame-retardant, and anti-corrosion coating and its preparation method. A heat-insulating, flame-retardant, and anti-corrosion coating comprises the following raw materials in parts by weight: 50-80 parts of silicone-acrylic emulsion, 10-15 parts of epoxy resin, 30-40 parts of heat-insulating microcapsules, 15-21 parts of hollow glass microspheres, 3-5 parts of dispersant, 0.5-2 parts of polypropylene glycol diglycidyl ether, 1-5 parts of leveling agent, and 15-20 parts of water. The heat-insulating microcapsules comprise an aluminum powder core and a heat-insulating and flame-retardant capsule wall layer, the capsule wall layer material comprising acrylic resin and polyamide resin. The preparation method is as follows: hollow glass microspheres and heat-insulating microcapsules are added to silicone-acrylic emulsion and water and dispersed evenly to obtain a mixture; the dispersant, polypropylene glycol diglycidyl ether, epoxy resin, and leveling agent are added to the above mixture and mixed evenly to obtain the interior wall insulation coating. The composition of this application achieves a comprehensive improvement in heat insulation, flame retardancy, and anti-corrosion performance.

The invention relates to the technical field of energy storage, in particular to a method for preparing a carbon-coated current collector through Joule heating and application of the carbon-coated current collector, and according to the method, the surface of a metal matrix is uniformly coated with a carbon material, so that the thermal stability, corrosion resistance and pole piece conductivity of the metal matrix are improved. The current collector can be widely applied to flexible batteries, especially aqueous ion batteries and lithium ion batteries, and can be used as a current collector to improve the electrochemical performance and mechanical stability of the batteries.

The utility model discloses a long nozzle for pouring high-performance steel, which comprises a nozzle body (1) and a bowl part (2), a bowl part lining (3) is embedded on the inner wall of the bowl part (2), and the bowl part lining (3) is positioned on the lower part of the inner wall of the bowl part (2) and extends towards the inner cavity of the nozzle body (1). According to the long nozzle, the bowl lining is embedded in the specific position of the bowl of the long nozzle, so that erosion and stripping of the bowl lining part, in contact with molten steel, of the long nozzle can be reduced to the greatest extent, and the long nozzle has excellent performances such as better thermal shock resistance, better anti-scouring performance and higher anti-stripping performance, is suitable for long-furnace-life pouring of continuous casting, and has a good application prospect. Meanwhile, a key effect is achieved on the cleanliness of the molten steel; in actual production, the long nozzle with the bowl lining is inspected after steel casting is finished for 360 minutes, cracks are not found, the surface is not obviously eroded and scoured, and the size is not obviously changed; the method is suitable for pouring ultra-low carbon steel, stainless steel and special alloy steel.

This application provides a quenched and tempered steel plate and its production method. The quenched and tempered steel plate comprises the following components by mass percentage: C: 0.15–0.20%; Si: 0.20–0.40%; Mn: 1.20–1.50%; Cr: 0.20–0.50%; Ni: 0.10–0.20%; Nb: 0.020–0.040%; Ti: 0.010–0.040%; Mo: 0.30–0.50%; B: 0.0010–0.0025%; P≤0.015%, S≤0.004%; N≤0.004%, Als: 0.010–0.060%, with the remainder being Fe and unavoidable impurities. This application manufactures a thick, high-strength quenched and tempered steel plate with high surface quality by adjusting the elemental composition and content of the quenched and tempered steel plate, specifically by adding certain amounts of Ni, Cr, and B.

The application discloses an inorganic copolymer anticorrosive paint and a preparation method thereof, and relates to the technical field of paints. The inorganic copolymer anticorrosive paint comprises the following raw materials in parts by weight: 20-30 parts of silica sol, 8-15 parts of sodium hydroxide, 30-45 parts of metakaolin, 8-20 parts of quartz sand, 15-25 parts of water, 0.3-2 parts of sodium polyacrylate, 0.2-3 parts of polydimethylsiloxane emulsion, 5-12 parts of modified nanometer titanium dioxide, 6-10 parts of modified epoxy resin, 10-25 parts of hydroxyethyl methacrylate, 5-10 parts of zinc phosphate, 3-8 parts of aluminum tripolyphosphate and 2-6 parts of red iron oxide. The inorganic copolymer anticorrosive paint has scientific raw material proportioning, and the anticorrosive performance is enhanced through the modified nanometer titanium dioxide and the epoxy resin. In the preparation, step-by-step feeding and ultrasonic dispersion are adopted to ensure that the materials are uniform, and vacuum degassing and nitrogen protection are adopted to improve the stability. The silica sol, the zinc phosphate and other components have a synergistic effect, a dense coating is formed, the anticorrosive performance is high, the construction performance is good, and the inorganic copolymer anticorrosive paint is suitable for various scenes.

The invention provides automatic well logging equipment for a well site, and relates to the field of well drilling and logging. The automatic well logging equipment for the well site comprises a first mounting shell and a base, and a drilling assembly is arranged at the bottom of the first mounting shell; the drilling assembly comprises a movable shell slidably connected to the interior of the first mounting shell, a motor fixedly connected to the bottom of the movable shell, a rotating shaft rotationally connected to the bottom side of the movable shell, a drill bit fixedly connected to the bottom end of the rotating shaft and a first electric push rod fixedly connected to the top wall of the first mounting shell, and the top end of the rotating shaft is fixedly connected with an output shaft of the motor; the bottom end of the first electric push rod is fixedly connected with the motor; a positioning assembly is arranged at the top of the first mounting shell and used for fixing the first mounting shell to the well wall. A control assembly is arranged on the top of the base. A connecting cable is connected to the top of the first mounting shell. By means of the automatic logging equipment, the stability of the well wall can be kept in the drilling process, interference of an upper rock stratum on drilling operation is reduced, and collected rock debris is more reliable.

The invention belongs to the field of graphite tiles, and particularly relates to a production process of a graphite tile for electrolyzing rare earth, which comprises the following steps: weighing graphitized thermal insulation materials with different finenesses, including 10-16 parts by mass of large materials, 23-30 parts by mass of medium materials, 32-38 parts by mass of small materials and 20-26 parts by mass of powder materials, and uniformly mixing the raw materials to obtain a primary mixture; weighing 22-31 parts of modified liquid asphalt and 69-78 parts of the primary mixture, and performing secondary uniform mixing on the modified liquid asphalt and the primary mixture to obtain a secondary mixture; the secondary mixture is poured into a female die to be heated and subjected to compression molding, and a crucible-shaped graphite semi-finished product is obtained; cutting the bottom of the crucible-shaped semi-finished product to obtain a graphite cylinder, and then slitting the graphite cylinder by using a cutting machine to obtain the 1 / 4 cylindrical graphite tile, so that the electrochemical performance and physical stability of the graphite tile are optimized, the oxidation of the graphite tile is reduced, the service life is prolonged, and the stability and efficiency of the electrolysis process are improved.

The invention provides an anti-corrosion and wear-resistant integrated coating, a composite coating as well as a preparation method and application of the composite coating. The coating for preparing the composite coating is prepared from the following raw materials in parts by weight: 10 to 20 parts of cathode water-based acrylic emulsion, 0.1 to 0.5 part of protonated modified MXene nanosheet, 60 to 90 parts of solvent, 0.02 to 0.04 part of dispersing agent and 0.02 to 0.04 part of defoaming agent. And the protonation modified MXene nanosheet is a MXene nanosheet which is obtained by grafting a tetrabutyl phosphorus hydroxide benzotriazole lignin composite material and protonating the composite material by using 1 mol / L HCl. The preparation method of the composite coating comprises the following steps: stirring and mixing the raw materials to obtain mixed slurry; and coating the surface of a base material with the mixed slurry through an electrophoretic deposition technology, and curing to obtain the corrosion-resistant and wear-resistant integrated composite coating. The composite coating is applied to the field of marine corrosion prevention. The composite coating provided by the invention has excellent corrosion resistance and wear resistance.

The embodiment of the present invention discloses a dry electrode binder and a preparation method thereof, and a dry electrode pole piece, wherein the binder comprises polyethylene glycol fumarate. The present invention significantly saves production costs, improves manufacturing efficiency, and makes large-scale production more feasible; the present invention makes the electrode structure more stable, prolongs the cycle life of the battery, and is particularly suitable for applications with high requirements for mechanical strength and durability; the present invention improves the overall performance and reliability of the electrode, improves the conductivity and rate performance of the electrode, and makes it suitable for high-power applications.

This invention belongs to the fields of powder metallurgy and materials science and technology, specifically disclosing a preparation process for a high-wear-resistant WC-based composite material. The process involves preparing WC powder, second-phase powder, and graphene material; adding the graphene material to a dispersion medium and performing ultrasonic dispersion; mixing the graphene dispersion with the WC powder and second-phase powder and ball milling; drying the mixture using a vacuum rotary evaporation drying process; and densifying it using a hot-pressing sintering process. This invention enables the WC-based composite material to simultaneously achieve high hardness and high fracture toughness; effectively inhibits oxidative wear of the WC-based composite material at high temperatures, improving its high-temperature wear resistance; and achieves uniform and stable dispersion of the graphene reinforcing phase in the WC matrix, avoiding agglomeration, thereby fully utilizing its strengthening and lubrication effects. The composite material prepared by this invention is particularly suitable for use as high-speed cutting tools, high-temperature molds, and high-temperature moving parts in aerospace applications, and has broad application prospects.

The utility model relates to the field of twist drill, and disclose a kind of multilayer composite coating twist drill, including drill bit end and the connecting end being connected with drill bit end, at least two groups of spiral grooves are set in the one end of drill bit end, spiral groove is used to discharge the debris generated when drilling, the inner side edge end position of spiral groove is integrally formed with reinforcing blade, the outside of drill bit end is provided with composite coating, reduce use cost, improve economy: twist drill adopts detachable design, drill bit end and connecting end are detachably connected by plug-in part, bolt assembly and other structures.When drill bit end wears or is damaged, only drill bit end needs to be replaced, and the connecting end can continue to be used, greatly reducing material waste and reducing overall use cost. Compared with the situation that the traditional integrally formed twist drill needs to be scrapped as a whole, the economy and resource utilization of the product are significantly improved.

The invention relates to the technical field of composite membranes, and discloses a PO composite membrane and a preparation method thereof. The PO composite membrane prepared by the invention comprises a basic membrane and a coating liquid, wherein the basic film is formed by co-extruding an inner layer, a secondary outer layer and an outer layer, and the coating liquid is prepared by co-mixing the following raw materials in parts by weight: 25-35 parts of alumina sol, 5-8 parts of a modified hyperbranched polymer, 2-4 parts of polyvinylpyrrolidone, 1-3 parts of sodium lauryl sulfate, 5-7 parts of polyacrylate resin, 4-6 parts of modified chitosan and 45-55 parts of deionized water; the base film is coated with the coating liquid to prepare the composite film, and the composite film has excellent adhesive force, hydrophilicity and dripping antifogging performance.

The application discloses an impact-resistant and wear-resistant epoxy resin modified mortar and a preparation method thereof, and relates to the technical field of mortar.The application comprises the following raw materials in mass parts: deionized water 170-190 parts, modified boron nitride synergist 13.13-14.38 parts, water reducing agent 0.8-1.2 parts, tributyl phosphate 0.6-0.8 parts, composite modified porous polysiloxane microspheres 26.25-28.75 parts, water-based epoxy resin 21-23 parts, Portland cement 420-460 parts, sulphoaluminate cement 105-115 parts, concrete expansive agent 15.75-17.25 parts, river sand 1050-1150 parts, water-based epoxy curing agent 27.3-29.9 parts.The introduction of the modified boron nitride synergist and other raw materials in the application simultaneously improves the compressive strength, the bending strength, the impact strength, the wear resistance, the anti-cavitation ability, the aging resistance and the alkali corrosion resistance.

The utility model relates to the technical field of surgical instruments, in particular to a corrosion-resistant surgical instrument. According to the technical scheme, the corrosion-resistant surgical instrument comprises a sheath, a knife handle, a blade and an installation groove, a first reed is arranged in the sheath, second reeds are arranged on the two sides of the knife handle, the knife handle is installed in the sheath in a limited mode through cooperation of the second reeds and the first reed, the installation groove is formed in the knife handle, and the blade is arranged in the installation groove. A fixing buckle is arranged in the installation groove, and a blade is installed in the installation groove of the knife handle in a limited mode through the fixing buckle. The utility model provides a safer, more convenient and more reliable operation tool for medical personnel, and is beneficial to improving the success rate of an operation and the treatment effect of a patient.

The invention discloses a directionally solidified Fe-B-Si alloy surface protective film and a preparation method thereof. The Fe-B-Si alloy prepared by a directional solidification process is placed in liquid zinc for interfacial reaction. After the reaction is completed, the Fe-B-Si alloy is cooled to obtain a three-layer mortise and tenon structure protective film. The formed surface film and a metal substrate form a mutually interlocking mortise and tenon structure, which is firm and has high stability and density, and can effectively prevent surface peeling caused by zinc liquid cavitation.

This invention discloses a method for in-situ generating a highly bonded Cr2O3 interface to improve the thermal shock resistance of coatings. The method involves a coating preparation technique, particularly in the process of preparing a coating on a Cr-containing metal substrate, where an electric field of specific intensity is applied during the high-temperature heat treatment stage. By utilizing the electric field to induce the outward diffusion of Cr ions and the inward migration of oxygen ions in the substrate, a dense Cr2O3 transition layer is in-situ induced at the interface between the coating and the metal substrate. This transition layer effectively alleviates the problem of thermal expansion coefficient mismatch between the ceramic coating and the metal substrate, releases interfacial thermal stress, and significantly enhances the bonding strength of the coating. This invention achieves control over the thickness of the transition layer by adjusting the current intensity. Experiments show that this method can significantly suppress the generation of microcracks during thermal shock cycling, thereby greatly improving the thermal shock resistance of the coating and effectively solving the problem of easy cracking and peeling of oxide coatings during high-temperature thermal cycling.

This invention provides a method for optimizing the formulation of waterborne polyurethane anticorrosive coatings, comprising: acquiring basic component data of waterborne polyurethane, constructing a structured dataset, using an optimization algorithm to simulate and analyze the component ratios in the structured dataset, generating a candidate formulation set, extracting performance parameters related to adhesion and chemical resistance from the candidate formulation set, filtering through preset thresholds to obtain a selected formulation set, conducting simulation tests on the selected formulation set to obtain performance data, adjusting component ratios to generate an optimized formulation version if the performance data does not meet preset standards, classifying the optimized formulation version using a risk assessment model, eliminating high-risk ratios to form a stable formulation set, using low-risk formulations to predict synergistic performance effects, and determining the final formulation scheme.

The embodiment of the invention discloses a dry-method electrode binder, a preparation method thereof and a dry-method electrode plate. The binder comprises polyethylene glycol-fumarate. According to the invention, the production cost is obviously saved, the manufacturing efficiency is improved, and the large-scale production is more feasible; according to the invention, the electrode structure is more stable, the cycle life of the battery is prolonged, and the battery is especially suitable for applications with high requirements on mechanical strength and durability; according to the invention, the overall performance and reliability of the electrode are improved, and the conductivity and rate capability of the electrode are improved, so that the electrode is suitable for high-power application.

The invention discloses a fluoride-free self-cleaning weather-resistant hydrophobic coating, a coating, a preparation method and application. The fluorine-free self-cleaning weather-resistant hydrophobic coating comprises a first component, a second component and a third component, the first component comprises a carbon-silicon copolymer, an acid catalyst and a mixed solvent, the second component comprises silicate ester, an acid catalyst and a mixed solvent, and the third component comprises a curing agent, an auxiliary catalyst and a mechanical strength enhancer. The carbon-silicon copolymer comprises a long-carbon-chain hydrophobic chain segment and a siloxane anchoring chain segment, and the carbon-silicon copolymer at least can be cross-linked with each other. The coating is formed by curing a fluoride-free self-cleaning weather-resistant hydrophobic coating. The fluorine-free compound is adopted as the raw material, the hydrophobicity, the flexibility, the adhesive force, the mechanical property, the weather resistance, the chemical stability and the like are remarkably improved, meanwhile, good transparency can still be kept, and due to the characteristics, a new coating is more suitable for application scenes needing high durability, high abrasion resistance and long-time outdoor exposure.