51 results about "Radical trapping" patented technology

The invention relates to the technical field of photovoltaic packaging materials, in particular to a packaging composite material for a perovskite mine and a preparation method of the packaging composite material. The packaging composite material for the perovskite mine comprises a creep-resistant layer, a barrier layer and a low-temperature cross-linking layer, the creep-resistant layer comprises polyolefin resin, silane grafted POE (Polyolefin Elastomer) resin, an irradiation cross-linking agent and a first antioxidant; the barrier layer comprises polyolefin resin master batch and a free radical trapping agent; the low-temperature crosslinking layer comprises EVA resin, modified EVA resin, a low-temperature crosslinking agent, an anti-hydrolysis agent and a second antioxidant. According to the packaging composite material for the perovskite, the creep-resistant layer, the barrier layer and the low-temperature cross-linking layer are compounded, and the components of each layer are regulated and controlled, so that the water vapor barrier property, the high-temperature creep resistance, the damp-heat aging resistance and the like of the packaging composite material can be remarkably improved on the basis of reducing the corrosion damage to the perovskite material.

The application discloses a waterproof coating for outer wall weather resistance, heat insulation and heat preservation and a preparation method thereof. The waterproof coating comprises the following components in parts by weight: modified acrylate polymer emulsion 27-35 parts, composite filler 35-50 parts, curing system 5-10 parts, film forming aid 4-8 parts, defoaming agent 0.1-0.5 parts, leveling agent 0.3-0.8 parts, mildew-proof agent 0.2-0.6 parts, thickening agent 0.5-1.0 parts and pH regulator 1-5 parts. The modified acrylate polymer emulsion is prepared by pretreating and silanization modifying cardanol, monomer pre-emulsification and free radical polymerization. The waterproof coating provided by the application introduces Si-O-C network and hindered amine free radical capture system to improve weather resistance; fluorine compound-nano silicon dioxide constructs roughness-low surface energy synergistic waterproof interface; acid washing fly ash floating beads, silica aerogel and expanded perlite filler are compounded to form multiple heat conduction scattering paths to realize cross-scale porous filler heat preservation; and the waterproof coating can serve in complex environments such as large temperature difference fluctuation and acid rain.

The invention discloses a model compound-based lipid oxidation free radical specificity induction and detection method, which comprises the following steps: catalyzing a model compound (cumene / cumene hydroperoxide) or a lipid sample by using iron ions (Fe < 2 + > / Fe < 3 + >) with different valence states, and specifically inducing to generate cumene alkyl free radicals, cumene peroxide free radicals and cumene alkoxy free radicals; the method comprises the following steps: reacting a free radical trapping agent PBN with active free radicals to generate a stable PBN-free radical adduct; the adduct is separated and qualitatively identified by utilizing HPLC-TOF / MS (High Performance Liquid Chromatography-Time of Flight / Mass Spectrometry), and is accurately quantified by HPLC-UV (High The method has the advantages that three key free radicals can be specifically distinguished and quantified, the sensitivity is high, the repeatability is good, the method is suitable for free radical analysis from a model system to a complex grease sample, and a reliable analysis means is provided for research on a lipid oxidation mechanism.

The invention provides an electromagnetic shielding material, a shell structure, a battery monomer, a battery and an electric device. The electromagnetic shielding material comprises a first coating, the first coating comprises a first oligomer, a first unsaturated monomer, a first photoinitiator and a modified MXene material, and the modified MXene material is an MXene material of which the surface is chemically modified with a hydrophobic group and an unsaturated group. The first photoinitiator generates free radicals under light irradiation, the free radicals can initiate a polymerization reaction between the first oligomer and the first unsaturated monomer to generate resin, and hydrophobic groups on the surface of the modified MXene material serve as functional groups with good compatibility with the oligomer, so that the interface bonding effect between the MXene material and the resin can be enhanced; and the unsaturated group can participate in curing crosslinking as a reactive group and improve the free radical capture efficiency, so that the dispersion effect of the MXene material in the resin can be effectively improved through the dual effects, and the risk of forming a conductive network is reduced, thereby improving the use safety of the electromagnetic shielding layer in the battery.

The invention relates to the technical field of sealing compounds, in particular to an anti-aging sealing compound and a preparation process thereof. The preparation process of the anti-aging sealing compound comprises the following steps: preparing the core crystal compound, preparing the anti-aging compound additive, and preparing the anti-aging sealing compound. According to the invention, a dual synergistic protection inner core of ultraviolet shielding and free radical capture is constructed, and mesoporous silica coating and organic modification are carried out, so that the dispersibility and interface bonding force of the auxiliary agent in organic colloid are improved; the nano titanium dioxide is added in batches, so that the dispersion uniformity of the nano titanium dioxide is improved, the nano titanium dioxide and the inner core form an anti-aging synergistic system, a continuous ultraviolet protection network is constructed, meanwhile, the bonding strength and flexibility of the sealing adhesive are enhanced, and the long-acting anti-aging life of the sealing adhesive is remarkably prolonged.

The application discloses a kind of water-based fireproof paint and preparation process thereof, and relates to functional coating technical field.The application uses fluorosilicon epoxy hybrid emulsion as base material, and comprises hydrophobic silica aerogel, composite microencapsulated flame retardant, composite bio-based charring agent, composite free radical trapping agent, reinforcing fiber and self-repairing microcapsule and other functional components.The water-based fireproof paint prepared by the application realizes efficient flame retardation and long-term protection through multiple synergistic mechanisms such as gas-phase free radical trapping, multi-layer heat-shielding shielding and self-repairing expanded carbon layer, and has excellent fire resistance, durability and mechanical properties.

The application discloses a kind of core-shell structure flame retardant with anti-thermal oxidative aging function and application thereof in preparing flame retardant material, belong to flame retardant technical field.The core-shell structure flame retardant with anti-thermal oxidative aging function is composed of core and shell structure, wherein the core is flame retardant, and the shell structure is polymer containing hindered phenol and low-valence phosphorus, which can improve the hydrophobicity of flame retardant on one hand, and also improve the compatibility and dispersibility of flame retardant in polymeric material, thereby improving the flame retardant and mechanical properties of polymeric material.In addition, the hindered phenol and low-valence phosphorus in the shell polymer can not only capture RO· and ROO· free radicals to inhibit the thermal oxidative aging process of polymer, but also play a role in free radical capture during combustion, further improving the flame retardant properties of polymeric material.The flame retardant has excellent flame retardant properties and heat aging resistance, and can be applied in the fields of building, transportation, chemical industry, machinery, communication and energy.

The application discloses a sodium battery and a preparation method, a battery device and a power utilization device. The sodium battery comprises a gel electrolyte, wherein the gel electrolyte comprises a polymer and a free radical capturing agent, and the mass ratio of the free radical capturing agent to the polymer in the gel electrolyte is 1:(10-75). Thus, the free radicals can be captured by adding the free radical capturing agent, the reaction between the free radicals generated after the decomposition of the polymer in the electrolyte solvent and the sodium metal is inhibited, the interface stability between the gel electrolyte and the sodium metal can be improved, the generation of the gas of the battery is reduced, and the high-temperature performance of the battery is improved.

The invention discloses an on-line free radical detection device and an on-line free radical detection method, the device comprises a gas diffusion electrode flow cell, a cathode liquid flow channel plate is provided with a micro-channel for circulation of an electrolyte containing a free radical trapping agent and a liquid storage cavity; the cathode gas diffusion electrode is a working electrode; the electron paramagnetic resonance spectrometer is used for detecting free radical signals in the electrolyte; the electrochemical workstation is used for applying control potential to the working electrode; the temperature control module is used for controlling the working temperature of the gas diffusion electrode flow cell; and the data processing module is in electric connection or signal connection with the electron paramagnetic resonance spectrometer and is used for processing the free radical signal and obtaining the relative concentration or generation rate of the free radicals. According to the invention, in-situ capture and on-line detection can be carried out on short-life free radicals generated in the electrochemical reaction process under the condition of simulating the actual working condition of the fuel cell.

The application relates to a polycarbonate composite material and a preparation method thereof, and belongs to the technical field of high polymer materials; the composite material is composed of the following components in parts by weight: polycarbonate 70-80 parts, ABS resin 20-30 parts, a compatilizer 3.2-4.5 parts, a lubricant 0.6-0.8 parts, a modified light stabilizer 0.42-0.55 parts and an antioxidant 0.13-0.18 parts; the modified light stabilizer has a specific organic silicon-ester group alternating chain structure, a hindered amine group is introduced on the chain, is different from a conventional hindered amine light stabilizer, does not passively protect through spectral absorption or free radical capture, but actively and accurately acts on a micro-weak phase interface of the PC / ABS composite material, effectively relieves light aging of the phase interface, simultaneously forms a mechanical gradient transition zone at the phase interface, and effectively improves the overall performance of the composite system.

The invention discloses a high-safety lithium ion battery electrolyte containing a free radical scavenger and a preparation method thereof, and relates to the technical field of electrochemical energy storage, the electrolyte comprises a lithium salt, an organic solvent and the free radical scavenger; the free radical complementing agent is a bioactive antioxidant analogue or derivative, and the free radical complementing agent comprises ascorbic acid and one or more of salts, esters or structural analogues thereof. The free radical trapping agent, such as lithium ascorbate and erythorbic acid ester, is introduced into a lithium ion battery electrolyte system, so that key free radicals causing thermal runaway chain reaction are effectively captured, a reaction chain is interrupted, the temperature rise rate is greatly delayed, the highest temperature is reduced, the occurrence probability and intensity of extreme conditions such as valve spraying, fire outbreak and explosion are inhibited, and the service life of the lithium ion battery is prolonged. Chemical intervention is carried out at the early stage of the chain reaction, the development of thermal runaway is restrained from the source, and an effective new way based on a chemical quenching mechanism is provided for restraining the thermal runaway of the lithium ion battery.

The invention discloses a TPO material with high weather resistance and a preparation method thereof. The TPO material is prepared by chemically synthesizing a monomer with double functional groups of ultraviolet absorption and free radical capture, grafting the monomer to an ethylene-propylene copolymer skeleton to form a PO-g-(BTZ-HALS) auxiliary agent, and carrying out melt blending on the PO-g-(BTZ-HALS) auxiliary agent, a TPO base material, carbon black masterbatch and the like. According to the invention, a weather-resistant functional group is anchored in a polymer chain in a chemical grafting manner, so that the defects of easy migration, easy volatilization and poor compatibility of a traditional small-molecule auxiliary agent are effectively overcome. The tensile strength retention rate of the obtained TPO material is greater than or equal to 91% and the chromatic aberration delta E is less than or equal to 1.7 after the TPO material is aged by a xenon lamp for After the QUV composite aging for 1500h, the gloss retention rate is greater than or equal to 84.8%, the surface cracks are extremely few, and the yellowing index delta YI is less than or equal to 2.3. The material disclosed by the invention has excellent long-term weather resistance, color stability and surface integrity.

The invention belongs to the technical field of heat-conducting silica gel and discloses high-strength heat-conducting silica gel resistant to chemical corrosion and heat aging and a preparation method of the high-strength heat-conducting silica gel resistant to chemical corrosion and heat aging. Comprising the following components in parts by weight: 100 parts of modified chemical corrosion-resistant heat-aging-resistant benzene type polysiloxane, 1.5-3 parts of a tackifier, 63-100 parts of a modified filler, 0.034-0.61 part of an inhibitor, 0.067-1.02 part of a platinum catalyst and 0.5-0.9 part of a cross-linking agent, benzene type polysiloxane is used as a main chain, a rigid benzene ring inhibits high-temperature conformation change, phonon loss is reduced, and an efficient heat conduction channel is constructed through a three-dimensional cross-linked network and pi-pi accumulation; the glass fiber enhances the mechanical property and the puncture resistance; fluorine atoms improve chemical corrosion resistance, and a free radical trapping agent improves heat aging resistance.

The application discloses a high-stability papermaking dry-strength agent based on acrylamide and a preparation method thereof, which comprises the following components in parts by weight: 25-40 wt% of acrylamide 40-60 parts, 45-55 wt% of cationic monomer 8-26 parts, 50-65 wt% of anionic monomer 10-24 parts, 12-24 parts of organic silicon waterproof agent, 15-28 parts of chain transfer agent, 14-22 parts of hexamethylenetetramine, 15-27 parts of photosensitive initiator, 10-20 parts of azo initiator, 8-16 parts of free radical trapping agent and 12-18 parts of isocyanate. Through polymerization, the amphoteric polyacrylamide is generated, the amphoteric polyacrylamide can be adsorbed on the surface of the negatively charged fiber in the paper pulp, so that the binding force between the fibers is increased, and the paper strength is improved.

An embodiment of the present application discloses a display panel, a manufacturing method thereof, and a display device thereof. The display panel includes a light emission functional layer and a color filter layer, the color filter layer includes a light shielding units, a light shielding material in the light shielding units includes a light shielding composition. The light shielding composition includes a plurality of carbon black particles and at least one function group located on surfaces of the carbon black particles. The function group is an acidic functional group or a free radical capture group, the acidic functional group is one of a carboxyl group, a hydroxy group, and a carbonyl group. The free radical capture group is a ketone group.

The invention discloses a holographic material, a preparation method of the holographic material, a preparation method of a volume holographic grating, the volume holographic grating, a volume holographic optical waveguide and holographic equipment, and the preparation method comprises the steps: providing a solution of a free radical trapping agent and a photopolymer holographic sub-material, the free radical trapping agent is used for trapping free radicals generated when the photopolymer holographic sub-material is subjected to a photooxidation reaction and / or a thermal oxidation reaction; and uniformly mixing the solution of the free radical trapping agent and the photopolymer holographic sub-material to obtain the holographic material. In this way, the holographic material with the stability effectively improved, the service life prolonged and the holographic performance ensured can be obtained.

The application discloses an anti-aging matt powder coating and a preparation method thereof, and belongs to the technical field of coatings. The specific modified polyester resin A and the modified polyester resin B are compounded, so that the matt effect of the coating is ensured, and the weather resistance and the mechanical properties of the coating are obviously improved. In addition, the optimized compounded matt system is added, so that the coating has stable matt effect. The compounded anti-aging system is further added, so that the aging degradation of the coating is inhibited from multiple action mechanisms of free radical capture, ultraviolet shielding and peroxide decomposition, and long-acting weather protection is realized. Overall, the components of the powder coating are scientifically compounded, the powder coating is sprayed on a metal surface, the coating with the matt effect, excellent anti-aging and mechanical properties is obtained, and the powder coating has high application value and is suitable for large-scale production.

The application discloses an anti-aging silicone rubber and a preparation method thereof, and belongs to the technical field of room-temperature curing foaming silicone rubber. The special structure design of the thorn-shaped titanium dioxide, the high specific surface area and the special crystal face orientation of the thorn-shaped titanium dioxide greatly increase the recombination rate of photo-generated electron-hole pairs, significantly passivate the photocatalytic activity, and in-situ capture a large number of hydroxyl radicals generated in the photocatalytic process on the surface of the thorn-shaped structure, prevent the diffusion of the hydroxyl radicals into the silicone rubber matrix to initiate the aging degradation chain reaction, and realize long-acting anti-aging. Through a low-temperature in-situ crystal orientation growth technology, the thorn-shaped titanium dioxide nano array is constructed on the surface of the thermal expansion microsphere under the premise of completely retaining the thermal expansion performance of the thermal expansion microsphere, so that the single filler simultaneously has the functions of closed-cell foaming, full-waveband ultraviolet blocking, free radical capturing and mechanical strengthening.

The application discloses a hot-melt anti-skid and continuous reflective pavement environment-friendly marking paint and a preparation process, and relates to the technical field of marking paint. The hot-melt anti-skid and continuous reflective pavement environment-friendly marking paint is composed of the following components in parts by mass: 40-55 parts of environment-friendly resin, 15-25 parts of composite glass beads, 10-20 parts of an anti-skid agent, 3-8 parts of environment-friendly pigment, 20-30 parts of filling material, 2-5 parts of functional additives and 1-2 parts of an anti-aging agent. The new anti-aging agent is introduced, and through the synergistic effect of multiple paths such as free radical capture and oxidation inhibition, the aging degradation of the marking line caused by environmental factors such as ultraviolet rays and high-low temperature alternation is greatly delayed, and the service life of the marking line is significantly improved.

The present application relates to the technical field of rubber, in particular to a kind of high-temperature-resistant perfluoroether rubber composite material and its preparation method, by weight parts include: perfluoroether rubber raw rubber 100 parts, perfluoro ionic liquid antistatic agent 1.5-4.0 parts, fluorine-containing crosslinking aid 1.2-3.5 parts, fluorinated nano reinforcing filler 6.0-12.0 parts, hindered amine radical trapping agent 0.3-1.5 parts, peroxide vulcanizing agent 1.2-2.5 parts, perfluoropolyether processing aid 0.3-1.5 parts. The present application is synergized under perfluorinated molecular framework, and a multi-functional network of ion conduction, chemical crosslinking, physical reinforcement and free radical stability is jointly constructed, so that the composite material is improved in terms of antistatic, high-temperature resistance, mechanical properties and the like.

The application belongs to the technical field of flame-retardant masterbatch, and particularly relates to a kind of flame-retardant masterbatch for polypropylene and a preparation method thereof, wherein tri (2-hydroxyethyl) isocyanurate is heated and melted, tetrabutyl titanate and DOPO-DPP are added into the tri (2-hydroxyethyl) isocyanurate, melamine and cyanuric acid are added into the mixture after 3-4 hours of reaction, and the mixture is cooled and crushed after 30 minutes of reaction to obtain a macromolecular flame retardant TDMC; a free radical trapping agent is prepared by ester exchange reaction of 2,4-diphenyl-6- [2-hydroxy-4- (ethoxycarbonylmethoxy) phenyl] -1,3,5-triazine and 2,2,6,6-tetramethylpiperidinol; polypropylene, TDMC, the free radical trapping agent and zeolite are loaded into a high-speed mixer and stirred and mixed, and then extruded and granulated. The macromolecular flame retardant TDMC has a large molecular weight and good water resistance, and improves the compatibility and hygrothermal stability of the flame-retardant masterbatch in polypropylene.

The invention discloses a spraying-free polyphenylene sulfide composite material and application of the spraying-free polyphenylene sulfide composite material in an intake manifold. The spraying-free polyphenylene sulfide composite material is prepared from the following raw materials in parts by weight: 50 to 55 parts of polyphenylene sulfide, 40 to 45 parts of glass fiber, 8 to 10 parts of a light stabilizing complexing agent, 2 to 4 parts of a toughening agent, 0.5 to 1.0 part of silicone powder, 0.5 to 0.8 part of a coupling agent, 0.3 to 0.5 part of an antioxidant, 0.02 to 0.8 part of carbon black and 0.01 to 0.02 part of aniline black. The crystallization temperature of polyphenylene sulfide is gt; linear polyphenylene sulfide at 220 DEG C; the light stabilization complexing agent is prepared by compounding spherical alpha-Al2O3, hexagonal boron nitride, a free radical trapping agent, an ultraviolet light absorber, a light screening agent and polytetrafluoroethylene. The light-stable complexing agent is fully dispersed in polyphenylene sulfide, is not easy to lose at high temperature, and is excellent in ultraviolet shielding effect and good in gloss. The intake manifold obtained through injection molding is bright in surface and not prone to discoloring after illumination.

The present application relates to a kind of for flue gas after oxidation denitration agent and its denitration process.Flue gas is oxidized after oxidizing agent, part NO is converted into NO2;In lime silo or the bottom of circulating fluidized bed semi-dry method reactor, the denitration agent is added, the denitration agent includes Ca base denitration agent and modified Ca base denitration agent, wherein, Ca base denitration agent includes four kinds of core components, such as calcium sulfite, calcium hydroxide, calcium carbonate and calcium sulfate;Modified Ca base denitration agent is added with a small amount of modifier, such as sulfur base denitration enhancer, free radical trapping agent, phase transfer agent, on the basis of four kinds of core components.Ca base denitration agent four kinds of core components realize NO2 and NO removal, compared with the traditional lime simultaneous desulfurization and denitrification technology, the present application can significantly improve NO2 removal effect and remove part NO, reduce O3 usage and escape, improve desulfurization and denitrification slag quality.

The invention discloses a pH response type multi-mode imaging diagnostic agent and an aging monitoring method of a high polymer material. The diagnostic agent comprises a carrier, a fluorescent probe and a free radical trapping agent, the carrier is a Fe3O4 nano particle (PEI-coated Fe3O4) modified by polyethyleneimine (PEI); the fluorescent probe is a pH acid response BODIPY (boron dipyrromethene) fluorescent probe HGBDP; the free radical trapping agent is 4-oxygen-TEMPO (tetramethylpiperidinooxy); the aging monitoring method of the high polymer material comprises the following steps: mixing the pH response type multi-mode imaging diagnostic agent with a high polymer base material to prepare a sample to obtain a high polymer composite material, and then monitoring the aging state of the high polymer composite material in real time in a multi-mode manner; the diagnostic agent disclosed by the invention can respond to aging markers such as free radicals and acid degradation products generated in the service process of the material, so that lossless, real-time and visual evaluation and multi-mode cooperative monitoring of the aging degree of the material are realized, the defect of a single monitoring mode is overcome, and aging information is comprehensively obtained.

The present application relates to waterproof material technical field, specifically to a kind of modified asphalt coating material with anti-aging, anti-mold performance and preparation method thereof, modified asphalt coating material includes the following weight percentage components raw materials: petroleum pitch 45%~75%, softening oil 7%~13%, high molecular polymer 3.5%~12%, activator 0.2%~1.0%, ultraviolet absorber 1%~3%, light shielding agent 0.1%~1.0%, free radical trapping agent 0.4%~1.0%, asphalt modifier 10%~15%, filling powder 15%~25%;High molecular polymer is the compound of SBS, SIS and SBR.The modified asphalt coating material prepared by the present application has excellent heat aging resistance, ultraviolet aging resistance and anti-mold performance.

The application discloses a low-fouling and high-whiteness oxygen bleaching stabilizer, a preparation method and application thereof, and belongs to the field of textile pretreatment auxiliaries. The technical problem to be solved is that in the continuous pretreatment process, the fouling on the steaming box, guide roller and other equipment is serious, white spots and other defects appear on the fabric, and the product quality and production efficiency are low. The technical solution is that an environmentally-friendly multi-component complex component, controllable adsorption and buffer component, high-molecular dispersing and free radical capturing component, penetration and surface activity adjusting component and water are used to prepare a low-fouling, high-whiteness and high-safety stabilizer system in a scouring and bleaching one-bath process. The system guarantees the stability of hydrogen peroxide, excellent whiteness improvement effect, excellent anti-fouling property and easy cleaning of the fouling, significantly reduces the fiber strength damage, improves the safety of the process, and guarantees the product quality.

The invention discloses a composite material based on Fe3O4 nanoparticles as a carrier, and a preparation method and application thereof, and relates to the technical field of functional materials and aging monitoring, the composite material comprises a carrier, a fluorescent probe and a free radical scavenger; the carrier is a Fe3O4 nano particle (PEI coated Fe3O4) modified by polyethyleneimine (PEI); the fluorescent probe is a pH alkali response type LGBDP fluorescent probe; the free radical trapping agent is 4-oxygen-TEMPO (tetramethylpiperidinooxy); the LGBDP fluorescent probe and 4-oxygen-TEMPO are sequentially bonded on the surface of the PEI (at) Fe3O4 through a Schiff base reaction, so that an LGBDP-PEI (at) Fe3O4-TEMPO aging probe is formed; the composite material is a composite system formed by blending the aging probe and a polymer base material. The composite material has the characteristics of real-time property, non-destructive property and high sensitivity, can track the aging process of 0-312 hours, can intuitively reflect the aging stage by the change of fluorescence intensity, is suitable for various high polymer materials such as PLA, and can adapt to different monitoring requirements by adjusting the mass fraction of the probe.

The application relates to an anti-aging polypropylene particle for outdoor planting pot production and a preparation method thereof, and belongs to the technical field of high polymer materials. The formula of the anti-aging polypropylene particle is as follows: 80-90 parts of polypropylene, 3-5 parts of a composite anti-aging agent, 1-2 parts of a stabilizer, 4-6 parts of a toughening agent, 1-2 parts of a silane coupling agent and 0.5-0.8 parts of a lubricant. The composite anti-aging agent is constructed through a three-step process, first, lignin is alkaline-activated to form a phenolic oxygen anion active site, second, bis(3-aminopropyl)phenyl phosphine is covalently combined to construct a free radical capture network, and then tetraethyl orthosilicate is in-situ hydrolyzed to form a silica dioxide physical barrier on the surface. The polypropylene particle prepared by the application has good anti-aging performance.

The present application relates to a kind of repair paint rain mark white alkali flower and the preparation method of multifunctional repair agent, and by the following raw materials: deionized water, bactericide, pH regulator, epoxy modified organosilicon compound, propylene glycol methyl ether, hydroxyphenyl-benzotriazole, amine radical trapping agent, film forming aid.The multifunctional repair agent is used in the coating film that has been white mark alkali flower, just needs to be rolled over, can quickly eliminate white mark alkali flower, simple operation, high construction efficiency, low cost, while improving coating film drying efficiency, film forming efficiency is improved;And the bonding performance with coating film is good, coating is dense, has good hydrophobic effect, weather resistance, and has good storage stability.

The application discloses a preparation method of an electrolyte for a sodium ion battery. Methyl ferrocene formate is prepared as an additive. The methyl ferrocene formate is a double active site structure containing a substituent group, has a free radical capture site and a metal ion coordination site, and can accurately control the redox potential. The decomposition product and transition metal ion can be actively activated at a high voltage. At a normal voltage, the electrolyte can be restored and recycled through electrochemical reduction. In the process, no complex is generated, no foreign matter is deposited in the electrolyte, and the cycle stability of the battery is not affected. In addition, the electrolyte prepared by the application has a relatively low concentration and low viscosity, which effectively ensures the conductivity of the electrolyte. Moreover, the additive and the film forming agent are compounded, the design scheme can form a positive and negative double interface synergistic protection, the electrolyte decomposition and metal dissolution of the positive electrode are inhibited, the negative electrode SEI film integrity is protected, and the film damage and impedance surge are not prone to occur after long-term cycle.