954 results about "Ethylene oxide" patented technology

The invention discloses a cellulose coated diaphragm and a preparation method thereof in the field of lithium ion batteries, the diaphragm comprises alpha-cellulose pulp, a cellulose grafted phenylboronic acid-co-oligomeric ethylene oxide copolymer, a thermal response star zwitterionic polymer and nano aluminum oxide, and an N-methylmorpholine-N-oxide aqueous solution is adopted as a solvent system. The preparation method comprises the following steps: firstly synthesizing a cellulose grafted copolymer with dynamic borate bonds through atom transfer radical polymerization, then preparing a star polymer with thermal response arms and zwitter-ion terminals by taking cyclodextrin as a core, and finally mixing all the components to prepare coating slurry. And the composite diaphragm is prepared through the processes of coating, phase conversion, ultraviolet curing and drying. The diaphragm combines the thermal stability and lyophilic property of cellulose, forms a dynamic self-adaptive interface layer through the synergistic effect of two functional compounds, has the advantages of active safety protection, dendritic crystal inhibition, long cycle life and the like, and remarkably improves the comprehensive performance of the lithium ion battery.

The invention provides a system and a method for producing high-purity electronic-grade carbonic ester, and the system comprises a heterogeneous reaction section, a separation section and a crystallization section along the material flow direction, the heterogeneous reaction section is used for carrying out heterogeneous reaction on ethylene oxide and carbon dioxide to prepare carbonic ester; the separation section is used for separating materials from the heterogeneous reaction section and comprises a flash evaporation unit and a rectification unit in the material flow direction, and the flash evaporation unit comprises at least one flash evaporation tank; the rectification unit comprises at least one rectification tower, and the side-draw of the rectification unit is communicated with the feed port of the crystallization section; and the crystallization section is used for crystallizing and purifying the material mainly containing carbonic ester from the separation section. According to the method, high-purity ethylene carbonate used as a power battery can be obtained from the crystallization section, and crystallization mother liquor can be selectively returned to the separation section to be concentrated. The method can effectively improve product purity, reduce product chromaticity and reduce energy consumption, and can be applied to industrial production of carbonic ester.

The invention relates to the technical field of battery solid electrolyte, in particular to a method for constructing polyethylene oxide-based composite solid electrolyte by sub-nanowires. According to the specific technical scheme, the method comprises the following steps: (1) sub-nanowire surface grafting modification: dispersing sub-nanowires in a weak polar solvent, then adding a sulfhydryl compound and a photoinitiator, and reacting for 4-10 hours under the conditions of ultraviolet irradiation and ice bath; and (2) construction of the composite solid electrolyte: dissolving polyethylene oxide, a lithium salt and the sub-nanowire modified in the step (1) in a polar solvent, uniformly stirring, casting to form a film, and drying at normal temperature. According to the invention, the problems of poor filler dispersity, low size matching degree, insufficient interfacial compatibility and the like in the traditional composite electrolyte are solved.

The invention discloses an impact-resistant industrial coating and a manufacturing method thereof, and relates to the technical field of industrial coatings. The impact-resistant industrial coating comprises the following raw materials in parts by weight: 80-100 parts of epoxy resin, 2-5 parts of graphene oxide, 3-5 parts of an antistatic agent, 5-8 parts of a modified thickener, 1-3 parts of a dispersant, 0.5-1.5 parts of a leveling agent, 2-3 parts of an antioxidant, 8-12 parts of a curing agent and 100-140 parts of deionized water. The preparation method comprises the following steps: reacting polyethylene glycol diethylene oxide methyl ether with 2-(methacrylic acid) ethyl ester 3, 5-diaminobenzoic acid to generate a polymer; reacting the polymer with 3-(dimethylamino)-1-propanethiol to generate a tertiary amine-terminated polymer; and carrying out quaternization reaction on the tertiary amine-terminated polymer and bromododecane to obtain the antistatic agent. The impact-resistant industrial coating prepared by the invention has excellent antistatic property and rheological property.

The invention belongs to the field of chemistry and chemical engineering, and discloses a method for preparing high-purity 1, 4-dioxane-2-ketone at low cost. A large amount of high-purity 1, 4-dioxane-2-ketone can be prepared at one time by taking a large amount of glycollic acid or glycollic acid derivatives and ethylene oxide as raw materials and adopting a one-step synthesis process route and a purification mode suitable for industrial production. According to the method, cheap bulk commodities are adopted as raw materials, and high-value conversion of low-value chemicals is achieved; according to the method disclosed by the invention, the 1, 4-dioxane-2-ketone is rapidly synthesized in one step under mild conditions without a catalyst or with a trace amount of a catalyst, so that the synthesis yield of a target product is improved, the reaction steps are greatly shortened, the energy consumption is greatly reduced, and the production cost is obviously reduced.

The invention relates to a method for generating a signal for adjusting a parameter of an ethylene oxide production process, comprising the steps of acquiring (100) process data of the ethylene oxide production process, predicting (200) a future value of the parameter from the process data, comparing (300) the future value with a predefined reference, and generating a signal for adjusting the parameter of the ethylene oxide production process. And generating (400) the signal for adjusting the parameter as a function of the result of the comparison.

It has been discovered that recycle content CO2 streams produced in a chemical recycling facility involving waste plastic pyrolysis can be converted into recycle content syngas (r-syngas), which can be used for various applications. More particularly, recycle content CO2 streams generated from a pyrolysis facility, a cracking facility, and / or an ethylene oxide facility may be recovered and converted into r-syngas. Moreover, recycle content methane, produced directly or indirectly from waste plastics, may also be used to produce flue gas streams, which provide additional recycle content CO2 streams to produce additional recycle content syngas. Thus, methods for producing a useful recycle content product (i.e., r-syngas) from conventional waste streams that are typically exhausted (i.e., CO2 streams) are provided herein.

The invention relates to the technical field of solid-state lithium batteries, in particular to an intercalation type composite solid-state electrolyte as well as a preparation method and application thereof. The preparation method comprises the following steps: carrying out ion exchange, centrifugal washing, freeze drying and other processes on sodium-based montmorillonite to obtain lithiated montmorillonite nanosheets; the preparation method comprises the following steps: adding lithiated montmorillonite nanosheets and polyethylene oxide into N, N-dimethylformamide to obtain slurry A; adding a high-molecular polymer material and lithium salt into N, N-dimethylformamide to obtain slurry B; dropwise adding the slurry A into the slurry B to obtain a precursor solution; and blade-coating the precursor solution on a glass substrate, standing, carrying out vacuum drying, and demolding to obtain the intercalation type composite solid electrolyte. The process is simple, the raw materials are easy to obtain, and the obtained electrolyte has high ionic conductivity, a wide voltage window and excellent mechanical property and flame retardant property.

The invention discloses a benzimidazolyl Gemini surfactant as well as preparation and application of the benzimidazolyl Gemini surfactant. The benzimidazolyl Gemini surfactant is a symmetric gemini type compound formed by a benzimidazole group, a styrene group, a sulfonate group and an alkyl chain with a proper length, and the compound has a better oil displacement effect. The surfactant can also reduce the surface tension of a solution in a dose-dependent manner, has relatively strong interfacial activity, excellent shear restorability and wettability, is beneficial to improving the oil recovery rate, and is suitable for multiple aspects such as an oil-soluble viscosity reducer, an oil-displacing agent and a microemulsion internal phase in tertiary oil recovery. The invention provides a method for preparing a surfactant by sulfonation and neutralization after styryl benzimidazole and alkyl diethylene oxide are subjected to ring-opening reaction to obtain a Gemini intermediate, and the synthetic process route has the characteristics of high product surface activity, excellent rheological property and simple synthetic method.

The utility model relates to the field of ethylene oxide and ethylene glycol production sewage treatment, and discloses a reclaimed water recycling system matched with ethylene oxide and ethylene glycol production, which comprises a reclaimed water regulating tank (31), a hardness removal sedimentation tank (32), an ozone water inlet tank (33), an ozone contact tank (34) and a reclaimed water post-positioned CBR tank (35) which are sequentially connected, and the reclaimed water post-positioned CBR tank (35) is connected with an RO (reverse osmosis) membrane treatment tank (36). Fresh water discharged from the RO membrane treatment tank (36) is recycled to a low-salt wastewater treatment system (10), and concentrated water discharged from the RO membrane treatment tank (36) is connected to an RO concentrated water hardness removal tank (37); the reclaimed water recycling system not only realizes recycling of circulating water in multiple places, but also can cooperate with efficient treatment of low-salt wastewater and efficient treatment of high-salt wastewater to recycle clear water, so that water saving and emission reduction are realized, the operation cost is reduced, and the treatment efficiency is high.

The present disclosure includes hyperbranched polyether polyols, such as hyperbranched poly(3-(oxiran-2-ylmethoxy) propane-1,2-diol) (HPOD), methods for their preparation and uses thereof, for example, as a cryoprotectant, lyoprotectant or stabilizer.

The invention belongs to the technical field of stripping liquid, and particularly discloses water-based photoresist stripping liquid and a preparation method thereof. The water-based photoresist stripping liquid is prepared from the following raw materials in percentage by mass: 10 to 15 percent of quaternary ammonium salt compound, 15 to 25 percent of water-soluble organic solvent, 0.2 to 0.5 percent of alkanolamine substance, 0.03 to 0.05 percent of metal protective agent and the balance of deionized water, the quaternary ammonium salt compound is prepared by the following steps: reacting 6-heptene-1-alcohol with ethylene oxide to obtain a compound 1, carrying out amidation reaction on allyl glycidyl ether and dimethylamine to obtain a compound 2, and carrying out chlorination reaction on sodium 2-chloroethanesulfonate and the compound 2 to obtain a compound 3; and finally polymerizing the compound 1 and the compound 3 under the initiation action of azodiisobutyronitrile. All the components in the stripping liquid have a synergistic effect, so that the photoresist is effectively stripped, and the stripping liquid is free of residues, more efficient and good in corrosion-resistant effect.

The invention discloses a double-phase-change flexible film for solar power generation and a preparation method of the double-phase-change flexible film. According to the method, water-soluble polymers such as polyvinyl alcohol, polyvinylpyrrolidone, polyethylene oxide and the like are used as flexible base materials and are physically blended with vanadium dioxide, freeze drying is performed, then phase change heat storage materials such as fatty acid, alkane, polyethylene glycol, paraffin and the like are subjected to vacuum impregnation adsorption, and the double-phase-change flexible film for solar power generation is synthesized. The double-phase-change flexible film synthesized by the method can realize double phase change in the same phase change temperature zone, has a selective intelligent reflection function on near-infrared light before and after phase change, and has relatively high photo-thermal conversion efficiency, and the synthesis method is simple, safe and easy to prepare. Wide application prospects are realized in the aspects of solar power generation, electronic device heat management, intelligent infrared stealth and the like.

The present invention discloses a kind of ultrafine slag powder grinding aid and preparation method thereof, belong to the technical field of grinding admixture. The grinding aid of the present invention is prepared by including the following raw materials in parts by weight: 20-40 parts of small molecule polyether polyols, 10-20 parts of ethylene glycol and diethylene glycol mixed solution, 5-10 parts of water glass, 0.1-0.5 parts of sodium hexadecylsulfonate, 0.1-0.5 parts of defoamer and 20-40 parts of water. The present invention adopts ethylene oxide and glycolic acid to synthesize small molecule polyether polyol oligomers, which can adapt to slag of different particle sizes, achieve good adsorption and dispersion, effectively solve the agglomeration problem of slag differential during ultrafine grinding, and have a good grinding aid effect on slag. The obtained grinding aid can effectively improve the efficiency of ultrafine grinding of slag powder, shorten the time of ultrafine grinding, and increase the output by 20% per hour.

The invention relates to a renewable industrial flue gas carbon dioxide adsorbent and a preparation method thereof. The method comprises the following steps: S1, mixing alkali metal, an aluminum oxide precursor, silicon oxide and a first solvent, or mixing an alkali metal solution, the aluminum oxide precursor, the silicon oxide and an optional second solvent, and then molding the mixed material to obtain microsphere particles; s2, mixing the microsphere particles and organic amine, and carrying out first loading treatment and drying treatment to obtain an organic amine loaded material; s3, roasting the organic amine-loaded material, mixing the obtained roasted material with a carrier material, and carrying out second loading treatment, so as to obtain the carbon dioxide adsorbent, the carrier material is selected from at least one of polystyrene-polyacrylic acid-polyethylene oxide, polymethyl methacrylate-b-polystyrene, zirconium oxide and a porous ceramic material. The carbon dioxide adsorbent is relatively high in adsorption capacity and relatively good in selectivity, reproducibility and stability; and large-scale industrial production and application are facilitated.

The present invention relates to liquid aqueous detergent compositions comprising a surfactant system comprising a primary surfactant being anionic surfactant, a secondary surfactant being amphoteric surfactant and polyethylene oxide whilst the surfactant system is free of alkylbenzene sulphonates and derivatives thereof. The invention further relates to a method of cleaning a stainless-steel hard surface using the composition of the invention, as well as the use thereof.

The invention discloses an ethylene oxide detection and analysis method, which belongs to the technical field of detection and analysis, and comprises the following steps: weighing a sample to be detected, adding deuterated internal standard ethylene oxide-D4, and dissolving the sample with a low-temperature mixed solvent to obtain a sample solution; uniformly mixing the sample solution, adding a purifying material for purifying, uniformly mixing and centrifuging to obtain supernate; putting a part of the supernate into a small solid-phase microextraction bottle, adding sodium chloride, and uniformly mixing to obtain a solution to be detected; placing the small solid-phase microextraction bottle filled with the solution to be detected on a gas chromatograph-tandem mass spectrometer with a CTC automatic solid-phase microextraction sampling device, and extracting and detecting the prepared solution to be detected; and analyzing the data acquired by the mass spectrum by utilizing Agilent MassHunter data processing software. According to the method, volatile components in a sample are enriched, concentrated and then detected, the residual amount of ethylene oxide in the fat-soluble plant extract can be directly and quantitatively analyzed, the sensitivity is high, and the accuracy is good.

The invention provides a composite surfactant for oil displacement of a hypersalinity oil reservoir and a preparation method of the composite surfactant, and relates to the technical field of petrochemical engineering. The composite surfactant is prepared from the following components in percentage by weight: 0.1 to 0.3 percent of anionic-nonionic surfactant, 0.01 to 0.03 percent of cationic surfactant and the balance of formation water, wherein the anionic-nonionic surfactant is prepared by the following steps: reacting a hydroxyl-containing compound with ethylene oxide to obtain polyoxyethylene ether, then carrying out esterification modification by using aconitic acid modified rosin, then sulfonating by using a sulfonating agent, and finally neutralizing. The composite surfactant shows relatively low interfacial tension under the condition of hypersalinity (50000-200000 mg / L), is high in stability, and can be used for improving the recovery efficiency of hypersalinity oil reservoirs.

The present invention provides a raw material composition suitable for producing rigid isocyanurate foams that exhibit both excellent energy absorption and sound absorption properties, while also exhibiting excellent foam moldability, appearance, and breathability. The raw material composition for rigid isocyanurate foams of the present invention contains a polyol composition and a polyisocyanate. The polyol composition includes: a tri- or higher functional polyether polyol (C) having a hydroxyl value of 300 mgKOH / g or more; a polyether polyol (A) different from the polyether polyol (C) and having an ethylene oxide content of 50 mass% or more, based on the total amount of alkylene oxide in the polyether polyol (A); and a polyether polyol (B) different from the polyether polyol (C) and having an ethylene oxide content of 10 mass% or less, based on the total amount of alkylene oxide in the polyether polyol (B). The raw material composition has an isocyanate index of 105 or more and 400 or less. The content of component (A) is 30 parts by mass or more and 50 parts by mass or less, and the content of component (C) is 5 parts by mass or more and 35 parts by mass or less, based on 100 parts by mass of the total amount of the raw material composition excluding the polyisocyanate.

The invention relates to the technical field of high polymer materials, and particularly discloses a water-absorbing composition and a preparation method thereof. The water absorption composition comprises the following components: polymer resin, a molecular sieve, polyethylene glycol, calcium stearate, glyceryl trioleate and an antioxidant. The polymer resin comprises polypropylene and polyethylene oxide. Compared with the prior art, the water-absorbing composition has the advantages that the calcium stearate and the glyceryl trioleate which have a lubricating effect are added, so that the flowability of the water-absorbing composition in the processing process is favorably improved, and the processing performance of the water-absorbing composition is improved; the antioxidant is added, so that the oxidation resistance of the water-absorbing composition is improved; particularly, polyethylene oxide is added, so that the water absorption performance of the water absorption composition can be remarkably improved.

The invention discloses a preparation method and application of a micron-pore alumina carrier. The preparation method comprises the following steps: step 1, crushing a waste ethylene oxide catalyst; step 2, carrying out acid leaching on the crushed waste ethylene oxide catalyst to obtain silver, filtering to obtain a silver-containing leaching solution, and washing the residual solid with water to obtain an aluminum oxide filter cake; step 3, carrier preparation; uniformly mixing the alumina filter cake, a hard template pore-enlarging agent, a binder, a forming extrusion aid and a sintering aid; adding an aqueous solution containing a cross-linking agent, and kneading; extruding and dicing; and drying and roasting to obtain the micron-pore alumina carrier. According to the invention, through three measures of stacking crushed particles into secondary pores, decomposing a hard template agent into strip-shaped ultra-large micron pores in situ and cross-linking and condensing organic high-molecular polymers into communicating pores, the connectivity of pore channels is improved, the pore size is increased, the diffusion performance of the carrier is improved, and more iron scales can be accommodated.

The invention belongs to the technical field of oil exploitation, and relates to a drag reducer for fracturing and a preparation method thereof. The preparation method comprises the following steps: adding 1, 5-hexadiene-3, 4-diol and a catalyst into a high-pressure reactor, raising the temperature, introducing ethylene oxide, raising the temperature, carrying out a heat preservation reaction, stopping heating, and cooling to 50 DEG C or below; adjusting the pH value to 2-3 by using phosphoric acid, adding sulfamic acid, heating, preserving heat and reacting, and cooling to below 40 DEG C; the preparation method comprises the following steps: adding deionized water, 2-(trifluoromethyl) acrylic acid and methacryloylethyl sulphobetaine, stirring and dissolving, adjusting the pH value to 7-8, adding an initiator, heating and carrying out a heat preservation reaction to obtain a viscous liquid; and settling, centrifuging, cleaning and drying to obtain the product drag reducer. The drag reducer has the characteristics of high viscosity and high drag reduction rate.

The invention relates to the technical field of coatings, and discloses a modified epoxy heat-resistant flame-retardant coating and a preparation method thereof.The preparation method comprises the steps that flame-retardant modified halloysite nanotubes, deionized water, epoxy resin, boron phenolic resin, a defoaming agent and a flatting agent are mixed to be uniform and discharged, and the modified epoxy heat-resistant flame-retardant coating is obtained. Diethyl hypophosphorous acid ethylene oxide methyl ester and boric acid modified halloysite nanotubes react to obtain flame-retardant modified halloysite nanotubes, and the halloysite nanotubes and the organic flame retardant diethyl hypophosphorous acid ethylene oxide methyl ester have a synergistic effect, so that agglomeration of the halloysite nanotubes is avoided, migration of a small-molecule organic flame retardant is avoided, and the flame retardance of the halloysite nanotubes is improved. The boron phenolic resin, the flame-retardant modified halloysite nanotubes and the epoxy resin form a three-dimensional cross-linked thermosetting network structure, so that the hardness, wear resistance and impact resistance of the coating can be improved, and the obtained coating has excellent flame retardance and heat resistance.

The utility model relates to the field of ethylene oxide and ethylene glycol production sewage treatment, and discloses a high-salt wastewater treatment system matched with ethylene oxide and ethylene glycol production for use, which comprises a high-salt regulating tank (22), an anoxic tank (23), a high-salt CBR tank (24), a high-salt ASR tank (25) and a high-salt secondary sedimentation tank (26) which are sequentially connected, and the high-salt secondary sedimentation tank (26) is connected with a final sedimentation tank (27); the sewage treatment system realizes high-efficiency treatment of high-salinity wastewater in ethylene oxide and ethylene glycol production, and is high in treatment efficiency and stable in operation; meanwhile, the reclaimed water recycling system (20) is matched for recycling clean water at multiple positions, so that water is saved, emission is reduced, and the operation cost is reduced.

The utility model discloses an ethylene oxide absorption dealdehyding system in the field of dealdehyding, which comprises an ethylene oxide absorption tower, and the bottom of the ethylene oxide absorption tower is connected with a desalting delivery pump, a 20% sodium hydroxide solution metering pump and a dealdehyding buffer tank through pipelines. The dealdehyding buffer tank is further connected with a sodium hydrogen sulfite solution metering pump and a quenching stripping tower through pipelines, the top of the dealdehyding buffer tank is provided with a first EO re-absorption tower connecting pipe, the desalting delivery pump is connected with a cooler through a pipeline, the cooler is connected with an ethylene oxide absorption tower through a pipeline, and the ethylene oxide absorption tower is connected with a second EO re-absorption tower through a pipeline. And desalted water equipment is mounted on a pipeline between the cooler and the ethylene oxide absorption tower through a three-way valve. The dealdehyding resin is adopted for dealdehyding of the lean absorption water part, sodium sulfite is added to the quenching section of the EO absorption tower for dealdehyding, and then flash evaporation is performed, so that the content of aldehyde in the lean absorption water can be effectively reduced, and the content of aldehyde in an EO absorption system can be effectively reduced.

An ethylene oxide (EtO) scrubbing sheet for the removing fugitive EtO emissions from, for example, sterilized medical devices and leaks from chemical plants. The scrubbing sheet comprises an acid impregnated layer, a second layer impregnated with an acid neutralizer, combined inside a gas porous protective membrane. The EtO enters the sheet by diffusion and is removed by irreversible chemical reaction.

The invention discloses a modified composite solid electrolyte as well as a preparation method and application thereof, the modified composite solid electrolyte comprises a polyethylene oxide matrix and an inorganic electrolyte dispersed in the matrix, the inorganic electrolyte is selected from garnet type Li6. 4La3Zr1. 4Ta0. 6O12 (LLZTO) nanoparticles, and the inorganic electrolyte is selected from the group consisting of Li6. 4La3Zr1. 4Ta0. 6O12 (LLZTO) nanoparticles. And an amphiphilic block copolymer is also arranged between the inorganic electrolyte and the matrix. The amphiphilic block copolymer poly (polyethylene glycol acrylate)-co-(1-(2-acryloylethyl)-3-methylimidazolium bis (trifluoromethylsulfonyl) imide) is utilized to improve the compatibility of an inorganic phase-organic phase interface, inhibit agglomeration of LLZTO nanoparticles and promote uniform distribution of the LLZTO nanoparticles in a PEO matrix; and meanwhile, as an ion transmission bridge of lithium ions between the polymer and the LLZTO, multi-channel transmission of the lithium ions is realized.

The invention discloses a high-flame-retardant polyurethane insulation board and a preparation method thereof, and belongs to the technical field of polyurethane insulation boards. The high-flame-retardant polyurethane insulation board is prepared from the following components in parts by mass: 90 to 110 parts of polyol, 110 to 130 parts of isocyanate, 80 to 120 parts of an inorganic flame retardant, 30 to 40 parts of a modified flame retardant, 10 to 20 parts of modified polyether polyol, 6 to 10 parts of graphene oxide, 20 to 25 parts of a foaming agent and 0.5 to 1.5 parts of a first catalyst, the polyol comprises polycarbonate diol and polyester diol in a ratio of 1: (2-4); the modified flame retardant is obtained by modifying hydrogen group-terminated siloxane through hexaanilino cyclotriphosphazene; the modified polyether polyol is obtained by modifying polyether polyol through diphenylphosphinic acid ethylene oxide methyl ester. The modified flame retardant and the modified polyether polyol are added into the high-flame-retardancy polyurethane insulation board, so that the dispersity of the flame retardant can be improved, and the uniformity and consistency of the flame retardancy of the polyurethane insulation board are improved.

A gas separation membrane for permeating and separating carbon dioxide from a mixed gas containing the carbon dioxide includes: a sheet-shaped support layer; and a separation layer provided on one surface of the support layer, the separation layer having a function of selecting and separating carbon dioxide and being formed of a polymer containing a polyethylene oxide structural unit and a polysiloxane structural unit. The separation layer has an average thickness of 1 nm or more and 500 nm or less. When an XPS spectrum of the separation layer is obtained by X-ray photoelectron spectroscopy and a Si2p peak and a C1s peak included in the XPS spectrum are each subjected to waveform separation, an intensity ratio P(Si—O) / P(C—O) of a Si—O peak intensity P(Si—O) to a C—O peak intensity P(C—O) is 0.03 or more and 2.0 or less.

The invention provides a solid proton electrolyte membrane preparation method and application thereof.The electrolyte has the advantages of being high in safety, capable of widening a voltage window, environmentally friendly, low in cost, long in service life and the like, and the synthesis method of the solid proton electrolyte membrane comprises the steps that polyvinylidene fluoride and polyethylene oxide serve as synthesis main bodies, phosphoric acid is added into the synthesis main bodies, and the mixture is placed in N, N-dimethyl formamide to be dissolved; heating, stirring and dissolving in an N, N-dimethylformamide solvent to obtain a transparent clear solution, and performing ultrasonic treatment under a heating condition to remove a small amount of bubbles in the solution, so as to obtain a uniform transparent solution; and placing the solution in a corresponding mold, and removing the solvent in a vacuum oven to obtain the solid electrolyte membrane with uniform thickness. When being used in the proton battery, the composite material can widen a voltage window and prolong the cycle life of the proton battery, and has the advantages of low cost, easiness in synthesis, high safety and the like.