295 results about "Vinyl ether" patented technology

This anticorrosive coating composition comprises a main agent (I) and a curing agent (II), wherein: the main agent (I) contains an epoxy resin (a); the epoxy resin (a) contains at least one of a bisphenol A epoxy resin (a-11) and a novolac epoxy resin (a-12) each having a weight average molecular weight of 6,000-12,000; the curing agent (II) contains a polyamine (b) and an alkylphenol (c); the polyamine (b) contains an alicyclic polyamine (b-1) having a cyclic aliphatic hydrocarbon group to which an amino group is bonded and contains a non-alicyclic polyamine (b-2) having no cyclic aliphatic hydrocarbon group to which an amino group is bonded; at least one of the main agent (I) and the curing agent (II) includes a vinyl-based defoaming agent (d) that has a constituent unit derived from at least one monomer selected from the group consisting of alkyl (meth)acrylates, alkyl vinyl ethers, and olefins and that has a number average molecular weight of 30,000-100,000 or 300,000-2,000,000; the content of the alicyclic polyamine (b-1) is 30%-80% by mass of the solid content of the curing agent (II); the content of the non-alicyclic polyamine (b-2) is 2%-45% by mass of the solid content of the curing agent (II); the content of the alkylphenol (c) is 5%-60% by mass of the solid content of the curing agent (II); and the content of the vinyl-based defoaming agent (d) is 0.005-3 parts by mass with respect to 100 parts by mass of the anticorrosive coating composition.

The invention relates to a high-toughness anti-crack magnetic decorative film and a preparation method thereof. The decorative film is prepared from the following raw materials in parts by weight: 40 to 60 parts of poly (dihydrothiophene-vinyl ether) copolymer, 10 to 25 parts of shell layer self-assembly modified Fe3O4 nanosheets, 5 to 15 parts of polyether ester block elastomer, 0.5 to 2 parts of sodium dodecyl benzene sulfonate, 0.5 to 1.5 parts of fluorosilane coupling agent, 0.1 to 1.0 part of 2-hydroxybenzotriazole ultraviolet absorbent, 3 to 6 parts of bisphenol A type epoxy curing agent and 0.05 to 0.5 part of imidazole catalyst. The flexible copolymer is synthesized through copolymerization of dihydrothiophene and vinyl ether, the modified Fe3O4 nanosheets form a Fe3O4 structure through coprecipitation of ferric chloride and ferrous chloride and regulation and control of ammonia water, and shell self-assembly coating is carried out through tetraethoxysilane and a block micromolecule interface agent. The material has excellent tensile strength, elongation at break, magnetic adsorption force and cycling stability, and is suitable for the application fields of flexible magnetic films and high-adhesion decorations.

The invention provides perfluorosulfonic acid resin and a polymerization method. The polymerization method comprises the following steps: mixing perfluoromethyl vinyl ether, perfluorosulfonyl fluoride vinyl ether and a fluorine-containing solvent to obtain a mixed solution; and adding an initiator into the mixed solution, introducing a tetrafluoroethylene monomer, carrying out a copolymerization reaction, carrying out solid-liquid separation, and carrying out transformation and drying to obtain the perfluorinated sulfonic acid resin. The perfluoromethyl vinyl ether monomer is introduced into a copolymerization system, so that the rigidity of a polymer main chain is effectively reduced, and the flexibility and low-temperature mechanical strength of the resin are enhanced; the crystallinity is effectively reduced, the Tg is adjusted, and the catalyst is suitable for low-temperature proton exchange membrane fuel cells and other application scenes; the introduction of perfluoromethyl vinyl ether improves the compatibility between the main chain and the sulfonyl fluoride-containing side chain, and is beneficial to the formation of a clearer and more continuous hydrophilic / hydrophobic microphase separation structure. A stable proton conduction network is facilitated, and the electrochemical performance of the resin under harsh working conditions is remarkably improved.

A radiation curable composition comprising at least one polymerizable compound and an adhesion promoter, characterized in that the adhesion promoter includes: —a polymerizable group selected from the group consisting of an acrylate, a methacrylate, an acrylamide, a methacrylamide, a styrene, a maleimide, a vinyl ether and a vinyl ester; and—an adhesion promoting group containing at least one nitrogen containing five or six membered heteroaromatic ring.

This application relates to the field of insulating materials, specifically disclosing a flexural insulating material, its preparation method, and a robot cable, comprising the following raw materials in parts by weight: 50-80 parts of low-density polyethylene, 30-40 parts of medium-density polyethylene, 30-40 parts of ethylene-tetrafluoroethylene-perfluoropropyl vinyl ether terpolymer, 1-20 parts of filler, 3-8 parts of compatibilizer, 0.1-5 parts of crosslinking agent, and 0.1-5 parts of co-crosslinking agent. This invention addresses the performance shortcomings of existing insulating materials, achieving a balance of flexural resistance, abrasion resistance, insulation stability, and excellent flexibility, thus meeting the stringent requirements of high-frequency cables used in robots / manipulators.

The present invention relates to the technical field of coatings. Disclosed are a waterborne two-component photocurable coating, and a preparation method therefor and a use thereof. Preparation raw materials for the waterborne two-component photocurable coating of the present invention comprise: an acrylic monomer, an acrylate monomer, an initiator, an isocyanate monomer, a hydroxy vinyl ether, a bio-based material, a hydrophilic modifier, an epoxy resin, an acrylamide-based monomer, and a neutralizer. In the preparation raw materials, the bio-based material is a vegetable oil containing three or more epoxy groups, and the epoxy resin is an epoxy resin containing three or more epoxy groups. A double-bond-containing component of the waterborne two-component photocurable coating is a polyacrylate dispersion containing vinyl ether double bonds and acrylamide double bonds, and an epoxy-containing component of the waterborne two-component photocurable coating is a hydrophilically modified epoxy resin. A paint film of the waterborne two-component photocurable coating of the present invention has the characteristics of high flexibility, good chemical resistance, excellent adhesion to various substrates, etc.

The application discloses an indoor moisture-proof and water-resistant gypsum board and a preparation method thereof, and belongs to the technical field of gypsum board preparation. The preparation method of the indoor moisture-proof and water-resistant gypsum board comprises the following steps: S1, uniformly mixing building gypsum, modified fluorite gypsum, deionized water, a polyester adhesive, a composite water reducing agent, blast furnace slag powder and the like to obtain a gypsum slurry; S2, paving the gypsum slurry on a first layer of cover paper, paving a second layer of cover paper on the gypsum slurry, and performing compaction, final setting, drying and solidification to obtain the indoor moisture-proof and water-resistant gypsum board. The composite water reducing agent is obtained by the reaction of ethyl vinyl ether, trichlorofluoroethylene and allyltrimethoxysilane. The polyester adhesive is obtained by the reaction of allyl alcohol, phthalic anhydride and triallyl cyanurate. The prepared gypsum board not only has good moisture-proof and water-resistant performance, but also has good mechanical properties, thereby prolonging the service life and ensuring the quality of the gypsum board to a certain extent.

This invention discloses a quantitative method for phospholipids, comprising: a sample preparation step, wherein a sample containing protein and phospholipids is mixed with Schiff reagent to obtain a sample for testing; a control sample preparation step, wherein the sample is mixed with a solvent of Schiff reagent to obtain a control sample; a measurement step, wherein the degree of a first optical property of the sample for testing and the degree of an optical property of the control sample are measured after the reaction of the aldehyde formed by the vinyl ether bond of phospholipids with Schiff reagent; and a determination step, wherein a correction degree obtained by correcting the degree of the first optical property using the degree of the optical property of the control sample is compared with the degree of a second optical property of the standard sample to determine the concentration of phospholipids in the sample, wherein the standard sample contains Schiff reagent and phospholipids of known concentration, and the degree of the second optical property is the degree of reaction of the Schiff reagent with the aldehyde formed by the vinyl ether bond of phospholipids.

The application provides a neurovascular micro guide wire and a preparation method and application thereof. The guide wire comprises an inner layer structure, a coating layer structure and a head end structure; the inner layer structure is a core wire composed of stainless steel; the coating layer structure comprises the following raw materials in parts by weight: polydimethylsiloxane 40-60 parts, fluorovinyl ether 5-20 parts, epoxy adhesive 10-20 parts and antibacterial agent 0.5-2 parts; the head end structure comprises the following raw materials in parts by weight: polyether ether ketone 30-60 parts and phosphoric acid acrylate 0.5-2 parts; and the head end structure is uniformly distributed with trapezoidal groove structure formed by laser etching. The application effectively reduces the frictional resistance of the guide wire in blood vessels, improves the passability and stability of the guide wire in a complex blood vessel path; and the guide wire has excellent shaping maintaining capacity and anti-rebound performance on the basis of maintaining good flexibility.

The application discloses an organic-inorganic composite modified concrete external curing agent and a preparation method thereof. The organic-inorganic composite modified concrete external curing agent is prepared by mixing 100-150 parts by weight of polyvinyl ether terpyridine modified styrene-acrylic emulsion, 8-16 parts by weight of sodium silicate nonahydrate, 15-30 parts by weight of polyethylene glycol, 1-1.5 parts by weight of a defoaming agent, 1-1.5 parts by weight of a leveling agent and 20-50 parts by weight of deionized water. The application is sprayed or coated on the surface of concrete, can quickly form a thin layer of dense film on the surface, has good environmental adaptability, can effectively work under various climate conditions, ensures that the internal moisture of concrete is retained, promotes the full hydration of cement, and thus improves the overall performance of concrete and prolongs the service life of concrete. Meanwhile, the cost effectiveness and environmental friendliness of the application are good, which is helpful to realize the sustainable development goal of concrete construction and maintenance.

Disclosed herein are amine containing copolymer compositions based on free radical and controlled radical polymerization of monomer compositions including an amine-derivatized alpha-methyl styrene (ADAMS) monomer according to structure (I): with k, R, R1, and R2 defined herein with one or more monomers selected from the group consisting of optionally substituted acrylates, methacrylates, acrylamides, methacrylamides, acrylonitriles, methacrylonitriles, vinyl ethers, N-vinyl amides, or combinations thereof. Further disclosed herein are methods of making and methods for using such copolymer compositions.

The invention discloses a perfluoropropyl vinyl ether-acrylonitrile copolymer as well as a preparation method and application thereof. The perfluoropropyl vinyl ether-acrylonitrile copolymer disclosed by the invention is formed by copolymerizing perfluoropropyl vinyl ether and acrylonitrile according to a molar ratio of 1: (2-4). The perfluoropropyl vinyl ether-acrylonitrile copolymer has the high pressure resistance of cyano groups, the flexibility of ether bonds and the hydrophobicity of fluorocarbon bonds, and has the advantages of being excellent in adhesive property, good in chemical stability, good in flexibility, balanced in hydrophilicity and hydrophobicity and the like; the lithium ion battery positive electrode material binder can improve the cycle life and the rate capability of the lithium ion battery under the conditions of high voltage and high load, and is suitable for large-scale industrial application.

The present invention relates to the technical field of security features comprising markers by means of surface enhanced Raman spectroscopy (SERS) and the detection thereof. Furthermore, the present invention relates to the field of UV-Vis curable security inks comprising SERS tags, said inks being used for printing security features on substrates, in particular security documents or articles, wherein the ink comprises i) one or more surface enhanced Raman spectroscopy (SERS) tags, ii) one or more vinyl ether-containing compounds, iii) one or more cationic radiation-curable compounds different from the one or more vinyl ether-containing compounds of ii), and iv) one or more cationic photoinitiators that are hexafluorophosphates.

Provided is a fluorine-containing copolymer which is a fluorine-containing copolymer containing tetrafluoroethylene units, hexafluoropropylene units, and perfluoro(propyl vinyl ether) units, wherein the content of the hexafluoropropylene units is 7.0 to 12.0 mass% relative to the total monomer units, the content of the perfluoro(propyl vinyl ether) units is 1.5 to 2.9 mass% relative to the total monomer units, and the melt flow rate at 372°C is 40 to 60 g / 10 minutes.

The invention provides a processing device for preventing stress cracking of a fluorinated ethylene propylene cable material, which is characterized in that a raw material mixing tank (1) is communicated with a closed condensation barrel (2) and a reaction chamber (5), a first stirrer (6) and a heating device (7) are arranged in the reaction chamber (5), a discharge port (11) is communicated with a distillation retort (10), the distillation retort (10) is communicated with a solvent tank (14), the distillation retort (10) is communicated with a second stirrer (17), and the second stirrer (17) is communicated with the solvent tank (14). A second stirrer (17) is communicated with a collecting tank (19) after passing through a rinsing bath (18), a perfluoroalkyl vinyl ether modified fluorinated ethylene propylene cable material emulsion is used as a base material, a homogeneous system is formed by utilizing the characteristic that hexafluoroisopropanol can be mixed and dissolved with water and can also be dissolved with organic compounds, heat treatment under pressure is carried out, hexafluoroisopropanol is recovered through distillation, and then the emulsion is condensed. According to the fluorinated ethylene propylene resin cable material prepared by the invention, the problem of internal stress defects is eliminated, and the environmental stress cracking resistance of cable products is improved.

The invention relates to the technical field of photovoltaic cells, in particular to an optical coating composition, a photovoltaic cell piece and a photovoltaic module. The optical coating composition comprises a component A, a component B and a component C, the component A comprises one or more compounds with the structure shown in the following formula I; in the formula I, R1 is selected from H, an aryl-substituted functional group, or a substituted or unsubstituted alkenyl ether group, and R2 is selected from alkoxy, an aryl-substituted functional group, and substituted or unsubstituted C1 to C13 alkylene; n and m are respectively and independently selected from 0 or 1 or 2; the component B comprises one or more of an epoxy monomer, an oxetane monomer or a vinyl ether monomer; and the component C comprises one or more initiators. The optical coating composition provided by the invention has excellent transparency and high refractive index, and can solve the problem of refractive index mismatch of a photovoltaic cell and a packaging material.

The invention provides a method for removing heavy metals by acidizing bleaching earth. The heavy metals in the bleaching earth are removed by using a heavy metal adsorbent. Firstly, acrylate reacts with diethanol amine to generate an esterification product, then the esterification product reacts with trimethylolpropane to form a hydroxyl-terminated hyperbranched polymer, and then the hydroxyl-terminated hyperbranched polymer reacts with isocyanate acrylate to introduce double bonds to obtain hyperbranched acrylate. Meanwhile, sodium alginate reacts with 4-chlorophenylboronic acid to obtain boric acid modified sodium alginate, then the boric acid modified sodium alginate reacts with tannic acid to introduce a large amount of hydroxyl groups, and finally the boric acid modified sodium alginate reacts with 3-aminopropanol vinyl ether to introduce double bonds, so that the sodium alginate compound containing double bonds is prepared. And copolymerizing the two monomers with acrylic acid, N-(2-aminoethyl) acrylamide and 2-acrylamido-2-methylpropanesulfonic acid to obtain the adsorbent with a three-dimensional network structure and multiple functional groups. Through the treatment, the heavy metal content of the bleaching earth is obviously reduced, no foreign impurities exist, and the functions of high decolorization rate and strong adsorbability are reserved.

The application belongs to the technical field of sodium ion batteries, and particularly relates to a binder composition, a sodium ion battery positive electrode slurry and a sodium ion battery. The binder composition comprises 0.5-100% and 0-99.5% of a first binder and a second binder by mass percentage, the first binder is one or more of polyacrylic acid, polymethacrylic acid, poly-methyl-vinyl-ether-copoly-maleic acid, and the second binder is one or more of polyvinylidene fluoride, polyacrylonitrile-based binder, polyurethane-based binder and polyimide-based binder. A high-molecular polymer containing a carboxyl group (-COOH) is used as a binder composition component to prepare the sodium ion battery positive electrode slurry. The carboxyl group can be neutralized with alkaline substances in the positive active material of the sodium ion battery positive electrode slurry, so as to ensure the uniformity and fluidity of the positive electrode slurry, to obtain a uniform sodium ion battery positive electrode sheet, and to obtain a sodium ion battery with good electrochemical stability.

This invention provides a fluorinated copolymer containing tetrafluoroethylene units, hexafluoropropylene units, and perfluoro(propyl vinyl ether) units, wherein the content of hexafluoropropylene units is 4.10 mol% to 5.20 mol% relative to all monomer units, the content of perfluoro(propyl vinyl ether) units is 0.53 mol% to 0.86 mol% relative to all monomer units, and the melt flow rate at 372°C is 0.7 g / 10 min to 2.5 g / 10 min.

The invention relates to the technical field of oral care materials, and particularly discloses macromolecular hydrogel-based false tooth safety paste and a preparation method thereof. The macromolecular hydrogel-based denture safety paste is prepared from the following components in parts by weight: 10 to 20 parts of white oil, 20 to 40 parts of vaseline, 40 to 60 parts of polydopamine modified polyvinyl alcohol-based hydrogel, 20 to 40 parts of sodium carboxymethyl cellulose, 20 to 40 parts of methyl vinyl ether-maleic anhydride copolymer calcium sodium salt, 0.1 to 1 part of silicon dioxide, 0.1 to 1 part of 93 to 98 percent ethanol, 0.05 to 1 part of preservative, 0.1 to 2 parts of essence and 0.001 to 0.01 part of pigment. The polydopamine modified polyvinyl alcohol-based hydrogel is prepared from polyvinyl alcohol, dopamine hydrochloride, an activating agent, a coupling agent and poloxamer. According to the technical scheme provided by the invention, the prepared false tooth fixing paste has excellent properties of good bonding effect and strong durability.

To provide a radiation-curable inkjet ink composition which reduces odor after ink storage.SOLUTION: A radiation-curable ink jet ink composition according to an embodiment of the present invention contains a polymerizable compound and an imidazoline compound, and the polymerizable compound contains at least one of a vinyl ether group-containing polymerizable compound and an N-vinyl group-containing polymerizable compound.SELECTED DRAWING: None

The invention relates to a UV viscosity-reducing adhesive and a preparation method and application thereof, and belongs to the technical field of adhesive materials. The preparation method comprises the following steps: S1, adding a thermal initiator into an acrylic monomer in a solvent, and carrying out heating copolymerization to obtain a base glue solution; s2, adding a vinyl ether photoactive monomer and an acid catalyst into the base adhesive solution, and heating and grafting to obtain a photoactive pressure-sensitive adhesive solution; and S3, adding an initiator and an auxiliary agent into the photoactive pressure-sensitive adhesive solution, and uniformly mixing to obtain the UV viscosity-reducing adhesive. The UV viscosity-reducing adhesive is applied to the UV viscosity-reducing adhesive tape. According to the UV viscosity-reducing adhesive, acrylic acid-2-ethyl isocyanate is replaced with the acrylate monomer containing vinyl ether, the production cost of the UV viscosity-reducing adhesive is greatly reduced, the toxicity of the UV viscosity-reducing adhesive is reduced, the initial adhesion of the UV viscosity-reducing adhesive tape is high, the stripping force is rapidly reduced after UV irradiation, and the use requirement of the UV viscosity-reducing adhesive tape is met.

The invention discloses a method for predicting the performance of an FEP terpolymer. The method comprises the following steps: measuring the weight-average molecular weight or melt flow index of the FEP terpolymer; measuring the content of a third monomer in the FEP terpolymer, wherein the third monomer is fluoroalkyl vinyl ether; on the basis of the measured weight-average molecular weight or the solution flow index and the content of the third monomer, the mechanical property, the dielectric property and the foaming property of the FEP terpolymer material are predicted in combination with a pre-established correlation model. According to the method, the limitation of single characterization dimension in the existing research is broken through, the FEP molecular structure is systematically analyzed by constructing a multi-dimensional characterization method, and the action mechanism of the molecular weight and the third monomer on the FEP terpolymer material is deeply revealed.

This invention discloses a long-lasting defoaming agent for wastewater treatment and its preparation method, belonging to the field of defoamer technology. The long-lasting defoaming agent for wastewater treatment comprises the following raw materials in parts by weight: 12-16 parts modified silicone oil, 1.5-3 parts modified silica, 8-12 parts dimethyl silicone oil, 4-6 parts nonionic emulsifier, 0.2-0.5 parts stabilizer, and 60-75 parts deionized water. The modified silicone oil is prepared by the following method: 2,4,6-trivinyl-2,4,6-trimethylcyclotrisiloxane reacts with hydrogen-terminated silicone oil to obtain a hyperbranched polymer; the hyperbranched polymer reacts with octadecyl vinyl ether and allyl polyoxyethylene ether methyl ether to obtain the modified silicone oil. The defoamer for wastewater treatment prepared by this invention has excellent rapid defoaming performance and long-lasting defoaming performance.

Provided is a fluorine-containing copolymer which is a fluorine-containing copolymer containing tetrafluoroethylene units, hexafluoropropylene units, and perfluoro(propyl vinyl ether) units, wherein the content of the hexafluoropropylene units is 7.0 to 9.4 mass% relative to the total monomer units, the content of the perfluoro(propyl vinyl ether) units is 1.5 to 2.9 mass% relative to the total monomer units, and the melt flow rate at 372°C is 15 to 40 g / 10 minutes.

The invention discloses a high-performance super-early-strength polycarboxylic acid water reducing agent and a preparation method of the high-performance super-early-strength polycarboxylic acid water reducing agent, and relates to the technical field of concrete admixtures. And polymerizing polyethylene glycol divinyl ether, acrylic acid, a monomer s and methacrylic acid-2-hydroxyethyl ester phosphate to obtain the water-based acrylic acid water-based acrylic acid water-based acrylic acid water-based acrylic acid water-based acrylic acid water-based acrylic acid. The raw materials such as the acrylic acid, the monomer s and the methacrylic acid-2-hydroxyethyl phosphate are combined, so that the polycarboxylic acid water reducer can be endowed with good early strength performance and mud resistance.

The present application relates to the technical field of copper-clad plate preparation, in particular to a preparation method of high-frequency flexible copper-clad plate. The preparation method uses a mixture of trifluorochloroethylene-vinyl ether fluororesin emulsion and tetrafluoroethylene-perfluoroalkoxy vinyl ether copolymer emulsion as a fluorine-containing emulsion matrix, then adds isosorbide polycarbonate to prepare a composite emulsion to coat both sides of the PI film, and a fluorine-containing polymer layer is prepared. The modified PTFE layer modified by the mixture of modified fluorinated graphene and nano silicon nitride has a synergistic effect, and finally copper foil is coated on both sides to prepare a high-frequency flexible copper-clad plate. The fluorine-containing polymer layer has an interfacial bonding effect, the modified PTFE layer has the effects of reducing dielectric loss and enhancing stability, and the two layers have a synergistic effect, so that the prepared high-frequency copper-clad plate has excellent high-frequency dielectric properties, high-strength interfacial bonding properties, and excellent mechanical and dimensional stability.

A radiation-curable ink jet ink composition includes a hydroxyl group-containing monofunctional monomer and / or an ether cyclic structure-containing monofunctional monomer, a nitrogen-containing heterocyclic structure-containing monofunctional monomer, a bifunctional monomer, and a polymerization initiator, in which the bifunctional monomer includes a vinyl ether group-containing (meth)acrylate represented by Formula (1), a content of the vinyl ether group-containing (meth)acrylate is 20% by mass or greater with respect to a total amount of the ink composition, and the polymerization initiator includes ethyl phenyl(2,4,6-trimethylbenzoyl)phosphinate.H2C═CR1—CO—OR2—O—CH═CH—R3  (1)

The invention relates to the technical field of photoresist, and particularly discloses ArF photoresist film-forming resin, a preparation method thereof and a photoresist composition containing the resin. The ArF photoresist film-forming resin is prepared by copolymerizing a norbornene monomer, maleic anhydride and perfluoro-n-propyl vinyl ether according to a ratio of (60 to 75 mol%): (20 to 35 mol%): (5 to 10 mol%). The preparation method comprises the following steps: dissolving, heating and polymerizing, purifying and drying. The ArF photoresist composition comprises ArF photoresist film-forming resin, an alkaline additive, a photoacid generator and an organic solvent, and the specific preparation method comprises the following steps: uniformly mixing the ArF photoresist film-forming resin, the alkaline additive, the photoacid generator and the organic solvent in a nitrogen atmosphere in a dark place according to a ratio to obtain the ArF photoresist composition. The ArF photoresist composition obtained in the invention has the characteristics of high resolution and good corrosion resistance.

The invention provides a fluororubber sealing element applied to a high-temperature dynamic sealing environment and a preparation method of the fluororubber sealing element, and relates to the field of fluororubber preparation. A vinylidene fluoride / tetrafluoroethylene / perfluoromethyl vinyl ether ternary fluoroelastomer is used as a main body material, carbon black is added, and PFA micro powder activated by a plasma etching machine is used as filler; oxygen-containing groups can be introduced after plasma treatment, the interface bonding effect of the PFA and the fluororubber can be improved, meanwhile, the surface energy of the activated PFA can be closer to that of the fluororubber, a nanoscale rough structure can be generated on the surface of the PFA due to etching, the material bonding strength is improved, the sealing performance and the thermal durability are improved, and the layering risk at the high temperature can be inhibited through strong interface bonding; according to the invention, perfluoropolyether oil (PFPE) is added, and 2, 5-dimethyl-2, 5-bis (tert-butylperoxy) hexane (bis (penta)), octadecylamine, zinc oxide and a graphene derivative are matched, so that the high-temperature-resistant hot-tear-resistant sealing element is prepared.