891 results about "Radical initiator" patented technology

The invention relates to the technical field of hydrogel materials, and discloses a preparation method of self-growing hydrogel based on spatial morphology gradient change. The method comprises the following steps: constructing a hydrogel self-growth reaction environment comprising a self-growth initiator layer and a space confinement layer; covering the space confinement layer with a self-growing monomer aqueous solution, and forming concentration gradient distribution through diffusion to obtain a self-growing reaction mixing system; culturing the self-growth reaction mixed system, and forming the self-growth hydrogel with spatial morphology gradient change through a self-growth reaction of the self-growth monomer based on concentration gradient difference and the initiation effect of a free radical initiator; by selectively degrading alginate single-network hydrogel in a target mixed system, homogeneous self-growing hydrogel with spatial morphology gradient change is obtained. Based on the method, external equipment or a complex process is not needed, and the hydrogel can form a structure with spatial morphology gradient change in a self-growth mode under a constant-temperature condition.

IR-sensitive lithographic printing plate precursors provide a stable print-out image using a unique IR radiation-sensitive composition in an infrared radiation-sensitive image-recording layer. This IR radiation-sensitive composition includes: (1) a free radical initiator composition that comprises an electron-donating agent; (2) a free radically polymerizable composition; and (3) a color-changing compound that is represented by the Structure (I) having a conjugated carbon chain between the aromatic terminal groups. The compound also has a —SO2—R3 group wherein R3 represents alkyl, aryl or heteroaryl groups. After IR imaging, these precursors exhibit desirable printout images both fresh and after dark storage. The precursors can be developed off-press or on-press.

The invention relates to the technical field of photoresists, in particular to a polymer for an ArF photoresist and a preparation method thereof and a photoresist composition, the structural general formula of the polymer is as follows: # imgabs0 # x, y, z and m are mass fractions of polymer repetitive units respectively, x is selected from 5-10%, y is selected from 10-20%, z is selected from 25-50%, m is selected from 35-50%, the weight-average molecular weight of the polymer is selected from 2000-20000 Da, m is selected from 5-20%, and m is selected from 5-20%. The molecular weight dispersion coefficient of the polymer is 1.0 to 3.0. The preparation method comprises the following steps: mixing a monomer A, a monomer B, a monomer C, a monomer D and a free radical initiator, dissolving the mixture in an electronic-grade reaction solvent to prepare a mixed solution, preparing a polymer by controlling the reaction temperature and the reaction time, and after the reaction is finished, dropwise adding the reaction system into a poor solvent for granulation to obtain the polymer. The photoresist composition prepared from the polymer is high in adhesive force, good in corrosion resistance and stable in pattern.

IR-sensitive lithographic printing plate precursors provide a stable print-out image using a unique IR-sensitive image-recording layer. The IR radiation-sensitive layer includes: (1) a free radical initiator composition with an electron-donating agent and one or more iodonium cations; (2) a free radically polymerizable composition; and (3) a color-changing compound of Structure (I) having an indene ring in the conjugated chain between the aromatic terminal groups. The IR radiation-sensitive composition and layer also contains one or more borate ions such that the molar ratio of one or more borate ions to the one or more iodonium ions is at least 0.5:1. After IR imaging, these precursors exhibit desirable printout images both fresh and after dark storage. The precursors can be developed on-press.

The invention relates to the field of polyethylene resin, and discloses a crosslinked polyethylene resin composition, crosslinked polyethylene resin and application thereof. The crosslinked polyethylene resin composition comprises polyethylene resin, a grafting component, a free radical initiator and a crosslinking component. The cross-linked polyethylene resin obtained by using the cross-linked polyethylene resin composition of the present invention has high strength, modulus and other properties, low gel content, and excellent thermoplasticity and processability, and does not cause performance degradation even after multiple processing.

A photocurable silicone composition is disclosed. A cured product of the composition is also disclosed. The photocurable silicone composition comprises: (A) an organopolysiloxane having at least one aryl group with 6 to 12 carbons and at least one alkenyl group with 2 to 12 carbons in a molecule; (B) an organic compound having at least two ether bonds and at least one aliphatic carbon-carbon double bond in a molecule; (C) a thiol group-containing organic compound comprising; (C1) an organic compound having two thiol groups in a molecule, and (C2) an organic compound having at least three thiol groups in a molecule; and (D) a photoradical initiator. The composition generally suppresses crack and delamination of a cured product laminated between two substrates after thermal aging.

The invention discloses a low-dielectric and high-peel-strength hydrocarbon resin as shown in a formula (3), a composition for a copper-clad plate and a preparation method of the composition. The preparation method is characterized in that divinyl benzene and a phenolic compound containing double bonds are subjected to a polymerization reaction in the presence of a free radical initiator, a polymerization inhibitor and a solvent to obtain the low-dielectric and high-peel-strength hydrocarbon resin; the resin composition for the copper-clad plate is prepared by uniformly mixing 100 parts by mass of hydrocarbon resin with low dielectric and high peel strength, 10-20 parts by mass of maleimide resin, 0.1-0.5 part by mass of an initiator, 0.1-0.5 part by mass of an antioxidant, 60-80 parts by mass of filler and 70-140 parts by mass of a solvent at the temperature of 30-50 DEG C. The composition for the low-dielectric and high-peel-strength hydrocarbon resin and the copper-clad plate has the characteristics of high peel strength, low dielectric constant, low dielectric loss and the like, is good in product performance, and is suitable for the fields of artificial intelligence, 5G base stations, power amplifiers, automobile radars and the like. # imgabs0 #

The invention relates to the technical field of outer layer materials of aluminum-plastic films for battery packaging, and discloses a new energy battery packaging film and a preparation method thereof.The preparation method comprises the steps that in a molten state and under the action of a free radical initiator, a self-made grafting monomer is grafted to a molecular main chain of LLDPE resin through a free radical graft copolymerization reaction, and epoxy LLDPE master batches are prepared; the preparation method comprises the following steps: based on an epoxy-amido ring-opening reaction mechanism, carrying out melt blending on an epoxy-based LLDPE master batch and PA6 resin to generate a bridging type PA6-LLDPE composite master batch, and carrying out blow molding to prepare a PA6-LLDPE film; a PA6-LLDPE film is used for replacing an outer layer PA6 film in an aluminum plastic film, and the new energy battery packaging film is prepared. The prepared PA6-LLDPE film product can replace an outer layer pure PA6 film of an aluminum plastic film to be used for packaging a battery which is high in product falling risk and few in burrs in the assembling process, so that the beneficial technical effect of reducing the overall production cost of the aluminum plastic film is achieved.

The invention relates to the field of rubber production, and particularly discloses high-temperature-resistant silicone rubber and a preparation method thereof.The preparation method comprises the following steps that alkynyl-terminated polyimide resin and multi-walled carbon nanotubes are mixed to prepare a composite micro-framework precursor; mixing the composite micro-skeleton precursor with a first part of silicone rubber compound, and then adding a silane coupling agent A to prepare a material B; mixing cerium oxide, calcium oxide, a peroxide radical initiator and a silane coupling agent B with a second part of the methyl vinyl silicone rubber compound to prepare a material C; mixing the material B and the material C to obtain micro-framework precursor mixed glue; and vulcanizing the micro-framework precursor mixed rubber. The invention further discloses the high-temperature-resistant silicone rubber prepared by adopting the preparation method. The thermal stability of the silicone rubber is further improved, the prepared silicone rubber composite material still has good mechanical strength and elasticity at 350 DEG C for a long time, and a product prepared from the composite material has a certain use value in a high-temperature environment.

The present invention provides a resin composition, a circuit material comprising the same, and a printed circuit board, the resin composition comprising (A) a first thermosetting resin comprising a polybutadiene resin and / or a polybutadiene copolymer resin having a number average molecular weight Mn < = 5000 g / mol; (B) a second thermosetting resin comprising polybutadiene resin and / or polybutadiene copolymer resin, the number average molecular weight Mn being greater than or equal to 15000 g / mol; (C) a first filler comprising rutile type titanium dioxide with D50 of 3-6 [mu] m and purity of more than or equal to 99.5%; (D) a second filler comprising amorphous fused silica, having a D50 of 8-12 [mu] m and a purity of not less than 99.5%; (E) a flame retardant; (F) a silane coupling agent; and (G) a radical initiator. The circuit material prepared from the resin composition has the advantages of high dielectric constant, low dielectric loss, high copper foil peel strength, stable dielectric constant and good thickness consistency.

A vat photopolymerization process comprises irradiating a resin comprising two or more different types of polymerizable materials and two or more different types of light-sensitive materials, at least two of said two or more light-sensitive materials are selected from radical and ionic initiators, wherein each of the two or more different types of polymerizable materials is polymerized into a different polymeric material by a different initiator of the at least two initiators, wherein one or more of the two or more different types of polymerizable materials is polymerized into one or more soluble polymeric materials that are each partially or fully soluble in a fluid selected from a solvent and a solution, said fluid not present in the resin and in which each of the other polymeric materials are insoluble; wherein said irradiating comprising directing a multiwavelength device or a plurality of light sources generating radiation of different wavelengths in a direction of the resin to initiate or induce selective polymerization of each of the two or more different types of polymerizable materials in different regions of the resin to yield the 3D object; and treating the object in the fluid to cause dissolution of the one or more soluble polymeric materials in the solvent or the solution, maintaining intact each of the other polymeric materials present in the object.

The invention relates to the technical field of vacuum bag films for aeronautical manufacturing, and discloses an eleven-layer co-extruded film for aeronautical use and a preparation process thereof, and the preparation process specifically comprises the following steps: carrying out grafting modification treatment on polyamide acid by using a monoalkenyl diepoxy composite flexible compound through a carboxyl-epoxy ring-opening reaction to prepare alkenyl functionalized processable polyimide; the preparation method comprises the following steps: carrying out modification treatment on nylon 6 resin by using 3-mercaptopropionic acid through an amino-carboxyl condensation reaction to prepare mercapto functionalized nylon; under the hot melting condition, alkenyl functionalized processable polyimide and sulfydryl functionalized nylon are induced to be subjected to reactive compounding through a free radical initiator, PA-PI alloy master batch is prepared, the master batch serves as a functional modification component of copolymerized polyamide 6 / 66 resin, an eleven-layer co-extrusion film is prepared through an eleven-layer co-extrusion blow molding process, and the eleven-layer co-extrusion film is used as a functional modification component of the copolymerized polyamide 6 / 66 resin. The film product has excellent comprehensive performance and can be used as a high-temperature-resistant vacuum bag film for curing aviation composite materials.

The invention discloses a negative photoresist composition and application thereof. The negative photoresist composition is prepared from the following components in parts by mass: 35 to 52 parts of a resin matrix, 0.4 to 0.5 part of a photoinitiator, 0.01 to 0.05 part of an active sensitizing aid, 0.01 to 0.02 part of a free radical initiator, 2 to 7 parts of an active diluent, 0.02 to 0.05 part of an acid diffusion inhibitor and 8 to 13 parts of a solvent. The negative photoresist provided by the invention keeps good contractibility, film-forming property and adhesive force, meanwhile, the pinhole density of the prepared photoresist is greatly reduced, and the yield is improved.

The invention discloses a gel polymer electrolyte based on a flame-retardant local high-concentration electrolyte, a preparation method of the gel polymer electrolyte and application of the gel polymer electrolyte in a battery. The preparation method comprises the following steps: S1, mixing a lithium salt with a non-combustible phosphate solvent, and then adding a diluent to obtain a basic electrolyte; s2, dissolving a monomer and a free radical initiator in the basic electrolyte to form a precursor solution; and S3, carrying out reaction on the precursor solution at 60-80 DEG C for 4-24 hours to obtain the gel polymer electrolyte. The prepared gel polymer electrolyte has a unique ion solvation structure in a local high-concentration electrolyte, a good solid electrolyte interface film (SEI) can be formed, the in-situ preparation method of the polymer electrolyte can reduce the interface impedance, and the gel polymer electrolyte shows excellent performance in the aspects of stabilizing a nickel-rich positive electrode interface and adjusting the lithium deposition form. While good electrochemical stability of a phosphatide-based electrolyte with good flame retardance and a high-nickel lithium metal battery system is considered, the construction mode of an anion-rich solvation structure is expanded.

To provide resin composition particles of a cyclic olefin copolymer having curability.SOLUTION: Resin composition particles include: a thermosetting cyclic olefin copolymer (A) having a crosslinkable group; and a radical initiator (B), the radical initiator (B) being contained within the resin composition particles.SELECTED DRAWING: None

The invention provides a high-weather-resistance liquid crystal dimming film which is provided with a first conducting film, a liquid crystal dimming layer and a second conducting film, the liquid crystal dimming layer is located between the first conducting film and the second conducting film, the liquid crystal dimming layer contains liquid crystal, a polymer, a photoinitiator and a light stabilizer, the liquid crystal is nematic liquid crystal, and the polymer is a polymer. The polymer comprises at least one radical-initiated resin and at least one cation-initiated resin, the radical-initiated resin comprises at least one of acrylic resin or allyl resin, and the cation-initiated resin comprises at least one epoxy resin; the photoinitiator comprises at least one radical initiator and at least one cationic initiator, the mass percentage of the total mass of the photoinitiator and the liquid crystal dimming layer is 0.01-5%, the proportion of the cationic initiator is smaller than that of the radical initiator, and the weight percentage of the light stabilizer and the liquid crystal dimming layer is not higher than 0.05%. The liquid crystal dimming film disclosed by the invention is high in weather resistance.

The invention relates to a photo-crosslinkable water-based polyolefin emulsion as well as a preparation method and application thereof. The emulsion comprises modified polyolefin and water, the modified polyolefin is prepared from raw materials including polyolefin resin, maleic anhydride, a grafted photo-initiation monomer and a free radical initiator through graft polymerization; the grafted photo-initiation monomer contains vinyl and a photo-initiation group. The emulsion is prepared by melting the modified polyolefin to form an oil phase; dissolving an emulsifier in part of water to obtain a water phase; and adding the water phase into the oil phase while stirring, and then adding the rest of water to prepare the oil-in-water composite oil-in-water composite oil-in-water composite oil-in-water composite. The emulsion can be subjected to photo-crosslinking, and after photo-crosslinking, a coating film has excellent water resistance, solvent resistance, hardness and adhesive force.

The embodiment of the invention relates to a slow-release polymer coating as well as a preparation method and application thereof, and the preparation method comprises the following steps: mixing a polymer monomer, a polymer monomer initiator, a solvent, a cross-linking agent and an electrolyte initiator in proportion to obtain coating precursor slurry; wherein the polymer monomer comprises a fluorinated acrylate compound; the polymer monomer initiator includes: a radical initiator; the solvent comprises an ether compound; the cross-linking agent comprises one or more of a polyethylene glycol derivative and an acrylate compound; the electrolyte initiator comprises lithium salt which can generate protonic acid with trace water and is resistant to high temperature; and coating the surface of an object to be covered with the coating precursor slurry, and carrying out heating polymerization treatment to obtain the slow-release polymer coating. The slow-release polymer coating can protect the lithium metal negative electrode and enhance the high-temperature safety performance of the lithium metal battery.

The present disclosure provides a crosslinkable polymer composition. In one embodiment, the crosslinkable polymer composition includes an ethylene-based polymer, a free radical initiator, and a 2, 2, 6, 6-tetramethyl-4-piperidinyl methacrylate disulfide (BiTEMPS methacrylate). The present disclosure provides a crosslinking composition. In one embodiment, the crosslinking composition comprises an ethylene-based polymer; and 2, 2, 6, 6-tetramethyl-4-piperidinyl methacrylate disulfide (BiTEMPS methacrylate), and a method for preparing the same.

The present invention belongs to the technical field of flame-retardant fabrics, and relates to a method for preparing a durable flame-retardant nylon 6 fabric based on a reactive phosphorus-sulfur flame retardant, specifically: after adding nylon 6 fabric to a finishing solution containing a reactive phosphorus-sulfur flame retardant, a free radical initiator and a solvent a, reacting at 75-85°C for 6-8h to obtain a durable flame-retardant nylon 6 fabric; the limiting oxygen index of the durable flame-retardant nylon 6 fabric is higher than 29.3%, the damaged length is lower than 10.5cm, no molten droplets are generated, and after 40 washes, it can still pass the vertical burning test, the damaged length is lower than 14.4cm, and no molten droplets are generated. The flame-retardant nylon 6 fabric prepared by the method of the present invention has good flame retardant effect and excellent water-washing resistance.

The invention relates to the technical field of water treatment, in particular to a whisker type dication modified tannin-based organic flocculant as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) adding tetrabutylphosphonium bromide into an alkaline solution of tannic acid, and reacting at 50-80 DEG C for 2-4 hours; (2) dispersing the precipitate in water, continuously introducing nitrogen, adding a first free radical initiator at 50-80 DEG C for reaction, then adding dimethyl diallyl ammonium chloride and a second free radical initiator, and reacting for 2-4 hours; and (3) extracting by using a mixed solution of acetone and ethanol to obtain a precipitation product, filtering and washing to obtain the product. The quaternary phosphonium salt and the quaternary ammonium salt which have strong cationic property and good water solubility are grafted to the tannic acid step by step, so that the water solubility and the flocculation effect of the tannic acid are remarkably improved, meanwhile, the biodegradability and the environmental friendliness of the tannic acid are kept, and the technical effects of efficiently removing algae and cooperatively removing algal toxins can be achieved.

The present invention provides a polymer production method comprising: (1) a step in which a monomer starting material including a prescribed monomer is polymerized by living radical polymerization using a radical initiator and a RAFT agent to obtain a polymer P-1 having a terminal structure that includes, at a terminal of the main chain thereof, a sulfur atom derived from the RAFT agent; (2) a step in which, subsequent to step (1), a radical generator and a thiol compound are added to a solution including the polymer P-1 and the same is heated to remove the terminal structure from the main chain of the polymer P-1; and (3) a step in which, subsequent to step (2), the solution including the polymer P-1 with the terminal structure removed therefrom is mixed with a poor solvent to precipitate the polymer as a solid and purify the same.

The invention provides an ethylene maleic anhydride copolymer and a preparation and application method thereof, and the preparation method comprises the following steps: dissolving a maleic anhydride monomer in an organic solvent to form a uniformly dispersed solution system, and transferring the solution system into a high-pressure reactor; ethylene gas in a supercritical state is introduced into the solution system of the high-pressure reactor to form a uniform ethylene-maleic anhydride solution system, wherein the pressure of the ethylene gas in the supercritical state is 5-30 Mpa; adding a free radical initiator into the ethylene-maleic anhydride solution system, raising the reaction temperature, and carrying out solution polymerization reaction to obtain a reaction system; a precipitant is added into a reaction system to separate out the ethylene-maleic anhydride copolymer, ethylene and maleic anhydride in the ethylene-maleic anhydride copolymer alternately exist in the form that the molar ratio of ethylene to maleic anhydride is 1: 1, high-performance bonding composite resin can also be formed by blending the ethylene-maleic anhydride copolymer and polyethylene, and the high-performance bonding composite resin is suitable for the fields of adhesives, coatings, composite materials and the like.

The invention belongs to the technical field of hydrogel materials, and relates to a preparation method of a self-growing hydrogel taking a carbon nanotube as an initiator and the hydrogel. The method comprises the steps that a mixed reaction system used for hydrogel self-growth is constructed, the mixed reaction system comprises a free radical initiator layer and a hydrogel self-growth solution layer which are sequentially arranged from bottom to top, the free radical initiator layer comprises carbon nanotube powder, the hydrogel self-growth solution layer comprises hydrogel self-growth monomers, and the carbon nanotube powder and the hydrogel self-growth monomers are sequentially arranged from bottom to top; the hydrogel self-growing monomer is a vinyl monomer or an acrylate monomer; and culturing the mixed reaction system under a constant temperature condition, so that the hydrogel self-growing monomer forms the hydrogel in a self-growing manner under the action of the carbon nanotube powder. Based on the method, the safety and the universality of preparation of the self-growing hydrogel are improved.

The invention relates to the technical field of polymer modification, and provides a polypropylene composite material with high fluidity and high impact resistance as well as a preparation method and application thereof. According to the polypropylene composite material, a degradation method is adopted, and the polypropylene composite material is prepared from the following raw materials in percentage by weight: 98.7 to 99.85 percent of a polypropylene resin base material, 0.05 to 0.3 percent of an anti-impact flow modification aid DeltaMax 5000a and 0.1 to 1 percent of a free radical type initiator. The polypropylene composite material with high flowability and high impact resistance, provided by the invention, is prepared by modifying the polypropylene resin base material by using the flexibilizer DeltaMax 5000a and the degradation agent in a matched manner, so that the polypropylene composite material has relatively good flowability and impact resistance at the same time; the high requirements of plastic parts of automobiles, household appliances and the like on anti-falling performance and processing fluidity can be met; the preparation method is simple and easy to operate, low in cost and easy to popularize and use on a large scale.

The invention provides an in-chain functionalized solution polymerized styrene-butadiene rubber and an in-chain modification method thereof. The method comprises the following steps: in a polymerization system, initiating polymerization of a butadiene monomer and a styrene monomer by taking n-butyllithium as an initiator and tetrahydrofuran as a polymerization activator to obtain a styrene butadiene rubber active chain; adding a terminator into the polymerization system to terminate the polymerization reaction to obtain a styrene butadiene rubber solution; the method comprises the following steps: adding a thiol compound and a free radical initiator into a styrene-butadiene rubber solution, heating and stirring the styrene-butadiene rubber solution, after a modification reaction is finished, adding alcohol to separate out and precipitate the styrene-butadiene rubber, and drying to obtain the chain-functionalized solution polymerized styrene-butadiene rubber. The in-chain functionalized solution polymerized styrene-butadiene rubber is prepared by the preparation method, and the interface bonding force between the white carbon black and the styrene-butadiene rubber can be enhanced, so that the hysteresis loss of a final tire rubber product is reduced, and the tire rubber product is endowed with high wear resistance, fatigue resistance and excellent wet skid-rolling resistance balance.

The invention relates to the technical field of pigments, in particular to a high-weather-resistance polymer coated pigment and a preparation method thereof. The method comprises the following steps: treating an organic pigment dispersion liquid by using a polymer monomer and a functional additive to obtain a pigment-polymer monomer miniemulsion; heating and initiating free radical polymerization reaction to obtain a polymer coated pigment emulsion; and then carrying out separation treatment, wherein the functional additive comprises a free radical initiator. According to the method, the organic pigment is coated with a polymer monomer through free radical polymerization reaction of miniemulsion to form a unique microcapsule structure, so that the influence of oxygen, water vapor and a solvent in an external environment can be avoided, and ultraviolet light can be shielded; the separation treatment step enables the polymer coated pigment to have a uniform particle size, so that the polymer coated pigment also has good dispersibility in an oily solvent. The polymer coated pigment has good weather resistance and tinting strength, and is low in chromatic aberration in the aging process.

The invention discloses high molecular weight polyacrylamide for treating high-salinity sludge, which is prepared from the following components in parts by weight: 110 to 140 parts of acrylamide, 30 to 40 parts of acryloyloxyethyl trimethyl ammonium chloride, 20 parts of 2-acrylamide-2-methylpropanesulfonic acid, 8 to 10 parts of urea, 0.05 part of EDTA-5Na (Ethylene Diamine Tetraacetic Acid), 5 parts of N-vinyl pyrrolidone and 0.04 part of oxidation-reduction initiator. 0.05 part of a cationic free radical initiator, and 300-320 parts of deionized water. The invention also provides a preparation method of the high molecular weight polyacrylamide. According to the high-molecular-weight polyacrylamide disclosed by the invention, the synergistic salt resistance of cations and sulfonic acid groups is realized through unique molecular structure design, excellent stability and activity are still kept in a salt-containing complex water body, and efficient and thorough solid-liquid separation and dehydration purification on high-salt oil-containing sludge can be realized.

The invention discloses a preparation method of 1-chloro-2, 3, 3-trifluoropropene, which comprises the following steps: (1) an addition step: carrying out an addition process on chlorotrifluoroethylene and methanol under the action of a free radical initiator to obtain 2-chloro-2, 3, 3-trifluoropropanol; (2) a chlorination step: carrying out a chlorination reaction on the 2-chloro-2, 3, 3-trifluoropropanol under the combined action of a chlorination reagent and a catalyst to obtain 1, 2-dichloro-2, 3, 3-trifluoropropane; and (3) a dehydrochlorination step: carrying out gas phase dehydrochlorination on the 1, 2-dichloro-2, 3, 3-trifluoropropane to obtain the 1-chloro-2, 3, 3-trifluoropropene. The method has the advantages of easily available raw materials, mild reaction conditions, high purity, easiness in separation, suitability for industrial application and the like.

The invention discloses a gel polymer electrolyte based on sulfuryl electrolyte and a preparation method and application thereof, and the preparation method comprises the following steps: S1, mixing a lithium salt with a sulfuryl organic solvent, and then adding a weak solvation solvent to obtain a basic electrolyte; s2, dissolving a monomer and a free radical initiator in the basic electrolyte to form a precursor solution; and S3, assembling the precursor solution in a battery, and heating at 60-80 DEG C for 4-24 hours to obtain the gel polymer electrolyte. The gel polymer electrolyte prepared by the invention presents a solvation structure which takes lithium salt anions as main components, which is contributed by the weak solvation ability of one of the solvents, and the generated inorganic interface-rich layer is beneficial to stabilizing the phase change of a high-voltage cathode and inhibiting the growth of metal lithium dendrites or the co-intercalation behavior of a graphite cathode at the same time; while good electrochemical stability of a sulfonyl electrolyte with good thermal stability and a high-nickel lithium metal battery system is considered, the construction mode of an anion-rich solvation structure is expanded.