62results about How to "Improve low temperature performance" patented technology

This invention relates to a boron-doped multi-element polyanionic sodium-ion battery cathode material and its preparation method, comprising the following steps: [The method involves] mixing Na₄Fe₂O₃ with... 3‑X B X (PO4) 2‑Y (SiO4) Y The stoichiometric ratio of P2O7 is determined by adding ferrous source, boric acid, sodium source, phosphorus source, and silicon source to water, followed by the addition of carbon source and mixing thoroughly to obtain a mixed slurry; wherein 0.2≤X≤0.5, 0<Y≤1; the mixed slurry is then ground to obtain a sand-milled slurry; the sand-milled slurry is dried to obtain precursor powder; under a protective atmosphere, the precursor powder is sintered at 450~550℃ to obtain boron-doped multi-element polyanion sodium-ion battery cathode material. The introduction of boron and silicon elements in this invention helps reduce raw material costs, improve the electrochemical performance of the material, especially enhancing the structural stability, rate performance, and cycle life of the cathode material, and also lowers the sintering temperature, meeting the requirements for cost reduction and efficiency improvement.

The invention provides a synthetic lubricating oil composition and application thereof, and belongs to the technical field of lubricating oil. The synthetic lubricating oil composition comprises base oil, a pour point depressant and a composite additive, the base oil comprises synthetic ester base oil; the synthetic ester base oil consists of low-viscosity synthetic ester and high-viscosity synthetic ester. The composition has ultrahigh viscosity index and low-temperature performance, is diesel engine lubricating oil with very excellent low-temperature performance, passes a graphite flake friction characteristic test and a THOT oxidation test required by TES 439 specifications, and can meet the lubrication requirements of an engine and a transmission system.

This invention discloses a method for preparing pentaerythritol oleate based on sodium bisulfite. The method involves the esterification reaction of pentaerythritol and oleic acid with sodium bisulfite as an auxiliary agent. Sodium bisulfite, as an auxiliary agent, possesses both catalytic and antioxidant functions, effectively improving the reaction rate and product yield while suppressing oxidation side reactions. This eliminates the need for additional antioxidants, improving product quality and reducing costs. The preparation method is simple, mild, and environmentally friendly, with readily available raw materials, low-cost auxiliary agents, and easy separation. After the reaction, the catalyst is removed by hot filtration, and unreacted oleic acid is removed by solvent extraction, effectively reducing the product's acid value. The extracted potassium oleate byproduct has a purity of 80%–90% and can be used as a flotation agent, release agent, or raw material for lubricant production, making it suitable for industrial applications. The resulting pentaerythritol oil is suitable for high-end lubricants, bio-based plasticizers, and environmentally friendly coatings.

The utility model discloses a modified buried sprayer device, which belongs to the technical field of irrigation equipment and comprises a pipe joint, a left connector, an upper connector, a right connector and a lower connector are arranged on the pipe joint in a cross shape, an extending pipe is formed on the upper connector inwards, the lower connector is fixedly connected with a bottom sealing pipe, and the lower end of the bottom sealing pipe extends towards the lower side. A first vertical pipe, a second vertical pipe and a third vertical pipe are sequentially and coaxially arranged on the inner side of the bottom sealing pipe from outside to inside, the upper end of the first vertical pipe is connected with the extension pipe, the left connector and the right connector are connected to the water conveying pipeline, and a channel for communicating the left connector and the right connector is formed between the first vertical pipe and the bottom sealing pipe in a spaced mode; the second vertical pipe is installed on the first vertical pipe in a sliding and sealing mode, the third vertical pipe is installed on the second vertical pipe in a sliding and sealing mode, and the upper end of the third vertical pipe is connected with a spray head assembly. According to the device, the requirement for water pressure is smaller, the buried spray head device can be easily driven to work, and the working process is more stable.

The invention relates to the technical field of building waterproof composite materials, in particular to an organic silicon modified resin building waterproof composite material and a preparation method thereof. Comprising a waterproof roll and a waterproof coating arranged on the surface of the waterproof roll, the waterproof coating is prepared from the following components in parts by weight: 20 to 32 parts of silane modified polyether, 15 to 30 parts of organic silicon modified resin, 5 to 10 parts of polysaccharide-based composite polylactic acid, 8 to 12 parts of plasticizer, 1 to 3 parts of curing agent, 0.5 to 2 parts of titanium dioxide and 0.5 to 3 parts of water removal agent. An organic silicon structure in the prepared waterproof composite material has the characteristic of low surface energy, so that the surface of a coating presents strong hydrophobicity, and liquid water permeation is effectively blocked; the waterproof coating can be matched with a compact cross-linked network structure to form a continuous and seamless waterproof film, realizes high hydrostatic pressure resistance and low water absorption, and is suitable for key waterproof parts such as roofs, basements and toilets.

The application provides an air waste heat utilization structure and method of a fuel cell system, which comprises an air compressor, a middle cooler, a stack and a radiator; a three-way valve is arranged between the air compressor and the middle cooler; a bypass outlet of the three-way valve is communicated to an air outlet of the middle cooler; the air outlet of the middle cooler is communicated to an air inlet of the stack; a blind end plate and a gas port end plate of the stack are both internally provided with cooling liquid flow channels; a cooling liquid outlet of the middle cooler is connected with a cooling liquid main pipeline, the cooling liquid main pipeline is provided with a cooling liquid branch I and a cooling liquid branch II; the cooling liquid branch II is respectively communicated to the inlet of the cooling liquid flow channel in the blind end plate and the gas port end plate; and a throttle valve is installed on the cooling liquid branch II. The technical scheme of the application fully utilizes the waste heat of the compressed air of the air compressor and the waste heat generated after the compressed air of the air compressor is heat-exchanged by the middle cooler.

This invention provides a fabrication process for a negative electrode-free sodium metal battery and the battery itself. The fabrication process includes the following steps: preparing a positive electrode sheet; mixing an acrylate monomer, an aromatic diamine, and an initiator to obtain a first mixture, then adding a graphene oxide solution to obtain a second mixture; adding a liquid electrolyte and an ether to the second mixture to obtain a third mixture; separating the positive electrode sheet and the negative electrode current collector using a separator membrane and assembling them into a bare cell, then packaging it; filling it with the third mixture and sealing it; and finally, heating and polymerizing to form the battery. This fabrication process effectively suppresses sodium dendrites and, while maintaining the high capacity of the negative electrode-free sodium metal battery, also improves the battery's cycle performance and low-temperature performance.

The embodiment of the invention discloses a silicon-based negative electrode material and a preparation method thereof, a negative electrode plate and a battery, and belongs to the technical field of batteries, the silicon-based negative electrode material is obtained by sintering a precursor, and the precursor comprises a silicon source, a lithium source and a fluxing agent; wherein the fluxing agent comprises lithium fluoride, and the fluxing agent accounts for 1%-8% of the total mass of the silicon source and the fluxing agent. According to the silicon-based negative electrode material provided by the invention, the volume expansion effect can be reduced, meanwhile, the integrity of an SEI film can be ensured, the loss of active lithium is reduced, and the effective energy density of a negative electrode plate and the cycling stability of the silicon-based negative electrode material are improved.

The present application relates to the technical field of hydraulic transmission oil, and particularly relates to a hydraulic transmission oil composition with high shear stability and a preparation method thereof. The hydraulic transmission oil composition comprises the following components in parts by weight: base oil 85-99 parts, composite additive 0.1-5 parts, viscosity index improver 1-10 parts, pour point depressant 0.1-2 parts, and anti-foaming agent 0.001-0.1 part. The base oil is at least one of type I, type II and type III base oil. The viscosity grade of the base oil is No. 4, No. 6 or No. 8. The hydraulic transmission oil composition has high shear stability, good low-temperature performance, good copper strip corrosion resistance and good rust prevention, and can be used in vehicle hydraulic couplings and hydraulic torque converters, and can also be used in the hydraulic transmission system of engineering machinery.

This invention discloses a composite expander and its application in the negative electrode plate of a lead-acid battery, belonging to the field of lead-acid battery technology. Ammonium persulfate is used as an oxidant, added to an ethanol solution mixture of pyrrole / aniline monomers (conductive monomers), sodium lignosulfonate, and acrylamide, causing an oxidation reaction. Subsequently, it is calcined at high temperature under a nitrogen or argon atmosphere to obtain a compound in which a composite polymer encapsulates sodium lignosulfonate. After calcination under a protective gas atmosphere, some of the composite material carbonizes, forming a carbon-encapsulated sodium lignosulfonate composite expander. The carbon-encapsulated composite expander can slow down the consumption of sodium lignosulfonate. Using the composite expander results in a higher hydrogen evolution overpotential and more durable low-temperature performance. The application of the composite expander in the negative electrode plate of a lead-acid battery improves the sulfation problem of the negative electrode plate operating under high efficiency partial charge conditions, extending the cycle life of the lead-acid battery.

A weather-resistant polyolefin film and a solar cell backsheet prepared therefrom are disclosed. The weather-resistant polyolefin film comprises at least three layers: a first surface layer in contact with air, an intermediate layer, and a second surface layer for lamination with a substrate. The components and mass fractions of the first surface layer are: 100 parts of a first polyolefin, 15 to 135 parts of an α-olefin copolymer, 3 to 15 parts of filler, 1 to 4 parts of an anti-aging agent, and 1 to 5 parts of a first light stabilizer. The first polyolefin contains at least 70 wt% homopolymer polypropylene. Compared with existing technologies, the weather-resistant polyolefin film provided by this invention can replace PVDF fluoropolymer film and exhibits a breaking elongation retention rate of over 70% after UV damp heat aging and a low-temperature breaking elongation rate of over 40%. After damp heat aging, the solar cell backsheet maintains an adhesion strength of over 7 N / cm to PET, demonstrating excellent weather resistance. The main resin material is inexpensive, making it highly practical.

This invention relates to viscosity index improver concentrates for use in lubricating oils, and particularly to a viscosity index improver concentrate (a concentrate of a star-shaped hydrogenated styrene (S)-isoprene (I)-butadiene (B) terpolymer viscosity index improver) prepared in situ in low-viscosity base oils, and its preparation method. The star-shaped viscosity index improver is synthesized by polymerization, hydrogenation, and deashing in low-viscosity base oils at a monomer concentration of 5wt%-15wt%, directly yielding the viscosity index improver concentrate. This invention's method for in-situ synthesis of star-shaped viscosity index improvers in low-viscosity base oils reduces the steps of solvent removal, solvent recovery, product drying, and redissolution required in traditional viscosity index improver synthesis methods, thereby lowering production costs and ensuring product quality. This invention also provides a method for preparing the viscosity index improver concentrate prepared in situ in low-viscosity base oils.

The invention relates to a precious metal three-way catalyst as well as a preparation method and application thereof. The precious metal three-way catalyst comprises an alumina carrier, a cerium-zirconium solid solution and an active component M1, metal M2 is also loaded on the alumina carrier; the cerium-zirconium solid solution covers the surface of the alumina carrier, and the active component M1 is dispersed on the surface of the cerium-zirconium solid solution; the active component M1 comprises any one or a combination of at least two of Rh, Ir or Ru; the metal M2 comprises a combination of at least two of Pd, Pt, Rh or Au; the active component M1 and the metal M2 comprise at least three different elements. The noble metal three-way catalyst provided by the invention is used for degrading CO, NOx and CH3OH in an equivalent combustion mode, and is good in low-temperature activity, good in hydrothermal stability, relatively small in performance difference after hydrothermal aging, and wide in application prospect.

The present application relates to the technical field of pressure sensitive adhesive, in particular to a plastic film type low VOC environment-friendly pressure sensitive adhesive product.The plastic film type low VOC environment-friendly pressure sensitive adhesive product is composed of the following raw materials: methyl methacrylate, butyl acrylate, diacetone acrylamide, 2-ethylhexyl acrylate, vinyl trimethoxysilane, hydroxyethyl acrylate, reactive emulsifier, anionic emulsifier, non-ionic emulsifier, ammonium persulfate, sodium bisulfite, adipic acid dihydrazide, sodium bicarbonate, nano calcium carbonate, deionized water and pH regulator.The plastic film type low VOC environment-friendly pressure sensitive adhesive product has excellent holding power, peeling strength, durability and environmental protection.

The application relates to a high-speed stretching controllable spring for bicycle seat adjustment, which comprises a starting top rod, a hollow piston rod, a framework guide, a sealing ring, a pressurized air cavity, a positioning groove, a piston assembly, an oil cavity and a cylinder barrel, the cylinder barrel is divided into the pressurized air cavity and the oil cavity by the positioning groove, the framework guide is arranged at one end of the cylinder barrel, the sealing ring is arranged on one side of the framework guide, the piston assembly is arranged at one end of the oil cavity, one end of the hollow piston rod is connected with the piston assembly, the other end of the hollow piston rod penetrates through the framework guide and extends to the outside of the cylinder barrel, the starting top rod is arranged in the hollow piston rod in a penetrating mode, a piston valve needle is arranged in the piston assembly, and the piston valve needle is connected with the starting top rod; the application solves the problem of slow seat adjustment stretching speed, improves the adjustment response efficiency, reduces the product size, optimizes the installation adaptability, reduces the compression ratio and reduces the operation force change.

The present application relates to an electrochemical device and an electronic device comprising the same. The electrochemical device of the present application comprises: a positive electrode, a negative electrode and an electrolyte, the positive electrode comprising a positive electrode current collector and a positive electrode active material layer on the positive electrode current collector, the positive electrode active material layer comprising a positive electrode active material, wherein the mass percentage of the positive electrode active material is M% based on the mass of the positive electrode active material layer, M ranges from 95 to 99, and the cracking width of the surface of the positive electrode active material layer is W mm, wherein M and W satisfy: M / W≥47.5. The electrochemical device provided by the present application has reduced direct current internal resistance and improved capacity retention rate, low temperature performance and floating performance.

The present application relates to bituminous material preparation technical field, specifically disclose a kind of acrylic resin copolymer modified emulsified asphalt and preparation method thereof, the acrylic resin composite emulsion provided by the present application can form stable reinforcing network in asphalt matrix after blending with emulsified asphalt, wherein, rigid component helps to improve the high-temperature deformation resistance and mechanical strength of material, flexible segment is endowed with good low-temperature toughness, modified lignin as interface compatibilizer and reinforcing point, further optimize the interface combination and overall stability of polymer phase and asphalt phase, so as to improve the high and low temperature resistance and mechanical properties of emulsified asphalt.

This invention discloses the use of a class of polysubstituted cyclic ether compounds as solvents for lithium-ion battery electrolytes. The polysubstituted cyclic ether compounds are alkyl-substituted cyclic ether solvents. These polysubstituted cyclic ether solvents have lower dielectric constants and lower ion desolvation energies, and exhibit good stability with lithium metal / graphite anodes. More importantly, these polysubstituted cyclic ether compounds have no special restrictions on the type of lithium salt. Using these polysubstituted cyclic ether compounds can significantly improve the low-temperature performance of batteries, thus broadening their applicability.

The utility model relates to cable technical field especially relates to a kind of anticorrosive marine cable.Its technical scheme includes: cable body, the cable body includes multiple conductor body, the outside of each conductor body is provided with natural color insulating layer.The utility model is protected by setting up semiconductive conductor shielding layer and semiconductive insulation shielding layer to natural color insulating layer and color bar color separation insulation, by setting up isolation layer protection cable body internal structure, improve the fireproof and explosion-proof performance of cable body, by setting up inner protective layer, natural color insulating layer and color bar color separation insulation are not damaged by external factors, while preventing moisture and corrosive substance from invading, by setting up armoring layer, the mechanical strength and explosion-proof performance of cable body can be enhanced, by setting up outer protective layer, cable internal structure can be effectively protected from the corrosion of marine environment, while also having certain flame retardancy, the explosion-proof performance of cable can be improved.

In order to solve the problem that a commercialized lithium ion battery electrolyte cannot give consideration to both high-temperature performance and low-temperature performance, the invention provides a wide-temperature electrolyte, the wide-temperature electrolyte comprises a non-aqueous organic solvent, a lithium salt and an additive, the additive comprises an additive A, and the structural formula of the additive A is shown in the specification, r1 and R2 are respectively and independently selected from nitro, substituted or unsubstituted alkyl, cyano, halogen or hydrogen, at least one of R1 and R2 is not hydrogen, and when one of R1 and R2 is hydrogen, the other one is nitro. By adding the additive A into the electrolyte, the battery can have good high-temperature and low-temperature performance at the same time, the wide-temperature performance of the electrolyte is more excellent, and the use scene of the lithium ion battery can be widened.

This invention discloses a high-safety, high-cycle-life in-situ cured gel polymer electrolyte and its preparation method, belonging to the field of lithium-ion battery technology. The electrolyte is formed by in-situ polymerization of a gel precursor solution inside the battery triggered by an energy field. The precursor solution contains acrylamide and / or methacrylamide polymerizable monomers, multifunctional acrylate and / or methacrylate crosslinking agents, phosphorus-containing polymerizable flame-retardant components, an initiator, lithium salt, and an organic solvent. The preparation method includes preparing the precursor solution, injecting it into the pores of the battery cell, and in-situ curing triggered by heat or ultraviolet light. Through the synergistic effect of in-situ gelation and gradient electrodes, continuous and stable ion transport channels and flame-retardant networks are constructed within the electrode pores, thereby simultaneously improving the battery's abuse safety and low-temperature cycle life.

This invention relates to the field of electrochemical energy storage technology, and in particular to a novel high-entropy electrolyte based on a eutectic solvent and its application in electrochemical devices such as low-temperature secondary batteries and supercapacitors. The eutectic solvent high-entropy electrolyte of this invention is composed of at least five eutectic solvents; each eutectic solvent consists of a hydrogen bond acceptor and a hydrogen bond donor; the hydrogen bond acceptor is one of choline chloride, tetraethylammonium chloride, tetrabutylammonium chloride, zinc chloride, magnesium chloride, lithium perchlorate, and water; the hydrogen bond donor is one of urea, citric acid, lactic acid, acrylic acid, itaconic acid, formic acid, ethylene glycol, glycerol, acetamide, formamide, and water. The eutectic solvent high-entropy electrolyte of this invention not only lowers the liquid-solid transition temperature of the electrolyte, achieving better low-temperature performance, but also has the advantages of low raw material cost and environmental friendliness.

The invention provides a preparation method and application of iron phosphate dihydrate and lithium iron phosphate, and the preparation method of iron phosphate dihydrate comprises the following steps: (a) mixing a phosphorus source solution with a first iron source, adding an oxidizing agent under a heating condition, and carrying out a reaction to form a primary crystal nucleus dispersion liquid; (b) simultaneously adding a second iron source into the primary crystal nucleus dispersion liquid to react with a phosphoric acid solution, and aging the obtained slurry to obtain iron phosphate dihydrate; wherein the first iron source comprises a ferrous sulfate solution, and the second iron source comprises a ferric chloride solution; the concentration of Cl <-> in the slurry in the step (b) is 0.2-0.4 mol / L, and the pH value is 0.25-1.0. The iron phosphate dehydrate prepared by the method is used as a precursor for preparing lithium iron phosphate, a high-temperature dehydration step is canceled, and an optimized mixing and sintering process is combined, so that high-performance and high-compaction lithium iron phosphate can be prepared in a short process at low cost.

The invention relates to the technical field of secondary batteries, in particular to a sodium ion battery. According to the sodium-ion battery, a polyanion compound and a layered metal oxide are compounded according to a certain proportion to serve as a positive electrode active material, amorphous hard carbon is matched to serve as a negative electrode active material, and the capacity ratio of a positive electrode to a negative electrode is regulated and controlled; through the synergistic effect of the positive and negative electrodes, the defects of the positive and negative electrode active materials are well overcome, so that the stability, the cycle life and the low-temperature performance of the sodium ion battery are greatly improved.

The application provides a kind of flame-retardant modified asphalt based on polyvinyl butyral (PVB) and recycled polycarbonate (PC) and a preparation method thereof. The method significantly improves the flame-retardant performance, adhesion and high-low temperature stability of asphalt by compounding PVB with recycled PC and adding them into the base asphalt. The specific preparation steps are as follows: first, PVB and recycled PC are added into a pulverizer to obtain PVB-PC composite powder; second, the base asphalt is heated and melted; then, the PVB-PC composite powder is added into the melted base asphalt together with a solubilizing agent for mixing, stirring and swelling; finally, an anti-aging agent is added for shearing and stirring to obtain the flame-retardant modified asphalt. The application innovatively uses recycled PC plastic and PVB for the synergistic modification of asphalt, significantly improving the comprehensive performance of asphalt. In addition, the recycling of waste PC not only helps to reduce environmental pollution, but also provides a new application approach for the high-value utilization of waste plastics. The flame-retardant modified asphalt has a wide application prospect in road construction, waterproof materials and other infrastructure, conforms to the concept of sustainable development and green environmental protection, and has important social value and economic benefits.

The preparation method comprises the following steps: (S1) adding water and a fluorine-containing emulsifier into a reaction container, heating, introducing a gaseous unsaturated fluorine-containing monomer, boosting the pressure of the system, adding an initiator 1, carrying out a polymerization reaction, cooling, and reducing the pressure to obtain an emulsion A; and (S2) adding a liquid fluorine-containing unsaturated monomer and a fluorine-free unsaturated monomer into the emulsion A, standing until particles of the emulsion A are swelled, heating, adding an initiator 2, and carrying out a polymerization reaction to obtain an emulsion precursor of the water-based positive electrode binder. According to the invention, a seed emulsion polymerization technology is adopted, a plurality of polymeric monomers are introduced, and a series of water-based positive electrode binders are synthesized through swelling. The water-based positive electrode binder has a core-shell structure with adjustable size, adjustable shell copolymer content, good electrolyte affinity, excellent mechanical stability, chemical and electrochemical stability and wider temperature applicability, and can exert excellent binding performance at-20 DEG C to 60 DEG C.

The invention discloses a lithium iron phosphate positive electrode material, a preparation method thereof and a battery, and belongs to the technical field of batteries, the preparation method comprises the following steps: mixing an iron source, a lithium source, a phosphorus source, a dopant and a grinding agent, and carrying out dry ball milling to obtain precursor powder; and sintering the precursor powder under the protection of inert gas to obtain the lithium iron phosphate positive electrode material. According to the method, high-purity graphite / acetylene black is used as a grinding agent and a carbon source, a doping agent is added at the same time, a solvent does not need to be used, a ball-milled material does not need to be dried, uniform compounding of a precursor and construction of a conductive network are achieved in one step through the mechanochemical effect, and then the conductive network is obtained through high-temperature sintering. The prepared lithium iron phosphate positive electrode material has excellent electrochemical performance and relatively high compaction density, and still keeps relatively good electrochemical performance in a low-temperature environment, so that a new development direction is provided for production of lithium iron phosphate.

The invention relates to the technical field of gasoline engine oil, and discloses a gasoline engine oil composition and a preparation method thereof. Based on 100 parts by weight of the gasoline engine oil composition, the gasoline engine oil composition comprises the following components in parts by weight: 80-85 parts of base oil, 10-15 parts of a gasoline engine oil complexing agent, 3-5 parts of a viscosity index modifier and 0.1-0.5 part of a pour point depressant, wherein the base oil comprises at least two kinds of base oil of which the pour point is less than or equal to-30 DEG C. The low-temperature performance of the gasoline engine oil is effectively improved, and meanwhile good high-temperature performance is guaranteed.

A lithium battery low-temperature self-heating power optimization method with an analytical solution, in the method, the low-temperature discharge capacity of the lithium battery and various battery parameter data are acquired; according to the acquired battery low-temperature discharge related data, a dischargeable capacity Q a is fitted out as a function of temperature T and state of charge SOC, a simplified battery low-temperature discharge model is established; according to the established physical model, a lithium battery low-temperature self-heating optimization model P is established with the minimum power consumption of the battery heating driving process under the driving range requirement of the electric vehicle as the optimization target; according to the established optimization model, a solution model with inequality constraints corresponding to the optimization model is established, the heating problem of the optimal power consumption is solved by an analytical method, and the heating strategy under the driving range requirement of this time is output. The present application can be applied to the improvement of the low-temperature performance of the lithium battery, the formulation of the driving strategy of the electric vehicle in winter, the driving range arrangement of the electric vehicle in winter, and the low-power warning of the electric vehicle.

This invention relates to the field of composite panels and discloses a wear-resistant and UV-resistant fiberglass-silicon core composite panel and its preparation method. The composite panel comprises melamine-faced paper, fiberglass mat, and calcium silicate board impregnated with adhesive. The adhesive includes deionized water, melamine-formaldehyde resin, modified aluminum hydroxide, organosilicon flexibility agent, and coupling agent. The modified aluminum hydroxide is prepared by reacting a functional modifier, N,N'-bis-(2,2,6,6-tetramethyl-4-piperidinyl)-1,6-hexanediamine with benzophenone derivatives and pyridylthiazole derivatives, with 3-chloropropyltriethoxysilane and grafted onto aluminum hydroxide. The organosilicon flexibility agent is prepared by modifying phenyl hydrogen-containing silicone oil with allyl polyoxyethylene ether and glycidyl methacrylate. This invention achieves an integrated structure of the panel, maintaining a surface free of blistering and cracking under complex environmental conditions, with the overall material intact and without delamination, and possessing good antibacterial, fire-resistant, and UV-resistant properties.