39 results about "Hyperbranched polymers" patented technology

This invention provides a high weather-resistant three-color paint and its preparation method. The high weather-resistant three-color paint includes a white primer, a red primer, a blue primer, a topcoat, a clear coat, and a curing agent. Modified silica is added to the white primer, red primer, blue primer, topcoat, and clear coat. The modified silica is obtained by copolymerizing hydroxyl hyperbranched polymer-coated nano-silica, 2,4-dihydroxybenzophenone-grafted cyanuric chloride, and hydroxyl acrylate. This modified silica possesses a three-dimensional cross-linked network structure, which directly enhances the mechanical properties of the paint film. It also incorporates abundant ultraviolet absorbing groups, significantly improving the weather resistance of the paint film. Simultaneously, the large number of active hydroxyl groups it contains enhances the adhesion of the paint film. During the curing process, the isocyanate groups of the curing agent combine with the hydroxyl-containing components in the system to form a highly integrated and dense paint film structure, further improving the mechanical properties, weather resistance, and optimizing acid and alkali resistance of the paint film.

This application relates to a process for preparing a filled wax-free adsorption pad, which is obtained by the following method: Step 1) PE foam material is foamed to form a porous structure of several foam skins; a modified PE board has several slots; Step 2) Adhesive is applied to the surface of the foam skins, and then the adhesive side of the foam skins is attached to the slots of the modified PE board, with the foam skins and slots corresponding one-to-one, and fixed to obtain a filled wax-free adsorption pad; both the PE foam material and the modified PE board contain an acid-resistant blend modifier; the acid-resistant blend modifier is composed of nano-lithium-based inorganic bentonite, polystyrene-poly(heptaisobutyl cage-type polysilsesquioxane alkylpropyl-methacrylate), maleic anhydride graft, and aromatic polyamide hyperbranched polymer. The filled wax-free adsorption pad obtained by the above technical solution ensures basic performance, further improves acid resistance, reduces wear, breakage, swelling, etc., and improves service life.

This invention provides a method for accelerating the crystal form transformation of isotactic polybutene-1 and the isotactic polybutene-1 resin prepared therefrom. The method includes blending isotactic polybutene-1, a hyperbranched polymer, and an optional antioxidant, followed by melt treatment, extrusion granulation, and storage. The hyperbranched polymer is selected from at least one of aliphatic and aromatic hyperbranched polymers. This invention is the first to propose a method for accelerating the crystal form transformation of isotactic polybutene-1 using a hyperbranched polymer. This method mainly utilizes the internal lubrication effect of the hyperbranched polymer to accelerate the rate of polymer chain conformation adjustment and chain rearrangement during the crystal form transformation of isotactic polybutene-1, thereby significantly improving the crystal form transformation rate. The method of this invention can shorten the time for isotactic polybutene-1 to transform from crystal form II to crystal form I from 7 days to within 2-4 days, showing good prospects for industrial application.

The application discloses an anti-migration ferrocenyl hyperbranched polymer burning rate catalyst, a preparation method thereof and application thereof. The ferrocenyl hyperbranched polymer is prepared by one-pot method through amidation reaction with 1,1'-ferrocene dicarboxylic acid and tri(2-aminoethyl)amine as monomers. The ferrocenyl hyperbranched polymer has high anti-migration performance in a composite solid propellant and can reduce the thermal decomposition temperature of ammonium perchlorate.

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.

The present application relates to the field of solidifying agent, and more particularly to a kind of composite solidifying agent for construction waste recycled material flow state solidified soil and preparation method thereof, comprising the following raw materials: sulphoaluminate cement 20-30 parts, slag powder 15-25 parts, recycled brick powder 10-15 parts, amino-terminated hyperbranched polymer 4-7 parts, silane coupling agent 2-4 parts, urease composite material 2-3 parts, urea microspheres 1-3 parts, calcium chloride 0.5-2 parts, construction waste recycled micro powder 10-18 parts, fly ash 5-10 parts.The solidifying agent solves the technical problems of weak interface in construction waste recycled material flow state solidified soil, enzyme activity easy deactivation, large strength fluctuation, serious shrinkage and cracking and the like through multi-component synergistic effect.

This invention discloses a hyperbranched polymer-modified, strong, and high-barrier polyvinyl alcohol (PVA) film, its preparation method, and its applications, relating to the field of polymer materials technology. The film is prepared from PVA and a hyperbranched polymer. The hyperbranched polymer exhibits a three-dimensional branched topology, and its molecular chains contain polar functional groups capable of forming hydrogen bonds with the hydroxyl groups on the PVA molecular chains. The packaging material prepared by this invention possesses high strength, high toughness, and excellent gas barrier properties. Furthermore, the process is simple and environmentally friendly, making it widely applicable in food packaging, pharmaceutical packaging, agricultural films, and biomedical materials.

The application belongs to the technical field of battery preheating, and particularly relates to a fast-response in-situ temperature control binder as well as a preparation method and application thereof. The application proposes a new binder, which uses hyperbranched polymers carrying a large number of charges to load fast-response particles through electrostatic interaction and redox reaction, and designs an external miniature heating device cooperating with the fast-response binder, so that the impedance of the battery is not increased, and the effect of non-contact fast heating of the battery interior can be achieved only by using the binder when assembling the battery and cooperating with the external device. The battery can be raised from minus 60 degrees Celsius to room temperature in 5 seconds, and the battery in hibernation due to low temperature can be quickly woken up to discharge and work again. The application has great significance for the field of battery low-temperature preheating, and provides a brand-new heating strategy, which creates an unprecedented new idea for the use of the battery at low temperature.

This invention provides a composite method for multilayer functional films, belonging to the field of film composite technology. The method includes preparing an interface bridging agent with a core-shell structure. The core layer is a hyperbranched polymer with methacrylate double bonds at the ends, and the shell layer is a copolymer containing epoxy groups, high-functionality acrylate double bonds, and modified hydroxyapatite nanowires. The interface bridging agent is added to a high-barrier intermediate layer slurry and a wear-resistant functional coating slurry. The two slurries are sequentially co-coated on a pretreated substrate in one step through a double-slit coating head to form a wet film superposition structure. The substrate carrying the wet film enters a programmed graded curing oven and undergoes three stages: solvent evaporation and thermal activation, deep thermal curing and interfacial bonding, and final UV curing. The resulting film has excellent gas barrier properties, high wear resistance, high transparency, and long-term aging resistance, making it suitable for high-end packaging and flexible electronics.

The present application relates to the technical field of paint, and particularly discloses a high-adhesion-strength bionic antifouling paint composition and a preparation method thereof, which comprises an adhesion agent and an antifouling agent, and the adhesion agent and the antifouling agent are sprayed in sequence; wherein the adhesion agent comprises a hyperbranched polymer, the hyperbranched polymer takes pentaerythritol tetraacrylate as a main body, and is sequentially grafted with polyethylene glycol diacrylate and amino-terminated polyethylene glycol; the antifouling agent component contains epoxy resin, polyetherimide, silicone-modified polyimide, sea urchin-shaped amino-terminated silicone filler, polyaniline and a curing agent. The present application can make the antifouling layer formed by the antifouling agent better adhere to the surface of the ship body through the mechanism of the adhesion agent that is accelerated to coagulate when encountering water; the antifouling layer reduces the adhesion of marine organisms with extremely low surface energy and bionic mechanism, and at the same time, protects the adhesion base material layer formed by the adhesion agent with good toughness and excellent stability, so as to give the ship body excellent antifouling effect and maintain long-acting antifouling performance.

This invention relates to a linerless liquid hydrogen container carbon fiber composite material and its preparation method. The preparation method includes the following steps: reacting a hydroxyl-terminated polymer with a sulfonyl chloride group to generate a first solution; the hydroxyl-terminated polymer includes a hydroxyl-terminated hyperbranched polymer, a hydroxyl-terminated polyether polyol, or a hydroxyl-terminated liquid rubber; the sulfonyl chloride group organic compound includes dodecylbenzenesulfonyl chloride or ethylsulfonyl chloride; reacting the first solution with 1-methylimidazole, washing the product with a solvent, and vacuum drying to evaporate the solvent to obtain an ionic liquid; mixing the ionic liquid uniformly with graphene or hexagonal boron nitride nanosheets, adding a curing agent, mixing uniformly, then adding epoxy resin, mixing uniformly, and repeatedly vacuuming to obtain a modified epoxy resin mixed solution; and using the modified epoxy resin mixed solution to wind and mold carbon fiber composite material parts. This invention enhances the low-temperature toughness and gas barrier properties of carbon fiber composite materials.

This invention belongs to the field of semiconductor manufacturing and microelectronic chemicals technology, and relates to a nitrogen-containing heterocyclic hyperbranched acrylate cleaning dispersant for wafer fabrication processes, its preparation method, and its application. The dispersant is a hyperbranched polymer with the general formula Core-[P(MA)-Linker-NHet], where Core is the hyperbranched core, P(MA) is the poly(meth)acrylate branch, Linker is the connecting arm, and NHet is the nitrogen-containing heterocyclic functional group. The preparation method employs a combination of "core-first, arm-later" atom transfer radical polymerization or reversible addition-fragmentation chain transfer polymerization with click chemistry. This dispersant is applied to wafer wet cleaning solutions, and the cleaning method includes treating the wafer with a cleaning solution containing this dispersant. This invention's dispersant, through its unique molecular structure design, improves cleaning efficiency, exhibits excellent pattern protection and low damage, superior process compatibility, and high cleanliness, providing an effective solution to the cleaning challenges of advanced processes.

The invention provides a hyperbranched polybenzene, preparation method and use thereof. The method includes: under an inert gas atmosphere, a monomer with two internal acetylenyl groups undergoes polymerization reaction in a solvent in the presence of a catalyst to obtain the hyperbranched polybenzene. The monomer in the polymerization reaction is a monomer with internal acetylenyl groups, and the catalyst is a nonmetallic catalyst p-toluenesulfonic acid. The polymerization reaction has simple conditions, is convenient and environmentally friendly, and overcomes the problem that the catalyst residue caused by the use of metal catalyst in conventional cyclotrimerization reaction, which affects the polymer properties. Due to the typical aggregation-induced emission (AIE)-active tetraphenyl ethylene units, the tetraphenylethylene-containing hyperbranched polymers of the present invention has high fluorescence quantum yields in the aggregation state and has fully conjugated structures. The hyperbranched polybenzenes can be used as chemical sensors and have an application prospect for polymer light-emitting diodes.

The application discloses a solid phase carrier for primer synthesis and a preparation method thereof, and belongs to the technical field of polymer microspheres, and the preparation method comprises the following steps: in the first step, a double-end epoxy silane and diethylenetriamine are added into isopropyl alcohol, and stirring reaction is carried out; after the reaction is completed, vacuum distillation is carried out to obtain an end-amino hyperbranched polymer; in the second step, chloromethylated polystyrene microspheres are added into toluene to be swelled, then the end-amino hyperbranched polymer is added to carry out stirring reaction, after the reaction is completed, ethanol extraction is carried out, and vacuum drying is carried out to obtain the solid phase carrier. According to the method, the end-amino hyperbranched polymer is grafted on the surface of the polystyrene microspheres to form the solid phase carrier, the method is controllable, the loading capacity is high, the universality is good, the stability is strong, the existing industrial conventional equipment can be directly used for large-scale and batch production, and the reproducibility is strong.

The application discloses a hyperbranched polymer poly-zirconium-aluminum-boron-siloxane, a preparation method and application thereof, and belongs to the technical field of high polymer compounds, and the preparation method comprises the following steps: dissolving a zirconium source and a chelating agent in an organic solvent, stirring, and obtaining a zirconium-chelating agent complex solution; dissolving aluminum isopropyl alcohol and boric acid in an organic solvent, adding glacial acetic acid, uniformly stirring, and obtaining a boron-aluminum composite solution; uniformly mixing the zirconium-chelating agent complex solution and the boron-aluminum composite solution, obtaining a zirconium-boron-aluminum mixed precursor solution, then adding methyltrimethoxysilane into the zirconium-boron-aluminum mixed precursor solution, reacting, removing the organic solvent by rotary evaporation, and obtaining the poly-zirconium-aluminum-boron-siloxane. That is, the application provides a synergistically modified poly-zirconium-aluminum-boron-siloxane, the introduction of zirconium elements improves the temperature resistance of a resin skeleton, meanwhile, the resin can form a glass phase in situ at high temperature through boron-aluminum modification, plays a bonding and protection role, and overcomes the limitation of a single modified element.

This invention provides a method for preparing a hyperbranched polymer for drilling fluids, comprising: copolymerizing organic acid monomers, organic amide monomers, a first branching agent, a second branching agent, and a chain transfer agent under the action of a pH adjuster and a chain transfer agent to obtain a hyperbranched polymer for drilling fluids. The reversible addition-fragmentation chain transfer (RAFT) polymerization method provided by this invention employs a rapid polymerization process, using diene monomers, branching agents, and chain transfer agents to prepare a water-soluble, snowflake-like hyperbranched polymer filtration reducer with high polymerization rate and high conversion in an aqueous solution system. This double-layered branched structure exhibits good solubility, high rheological properties, non-crosslinking, and a large number of branched end groups. The resulting product has a narrow molecular weight distribution, good temperature resistance, and low viscosity effect. This invention also provides a drilling fluid.

The application provides a kind of based on special phenolic resin's aluminum electrolysis residual anode closed paste and preparation method thereof, belongs to closed paste preparation technical field;The application promotes the performance of material through three kinds of synergistic additives: boron-silicon coating on the surface of carbon fiber forms ceramic phase in situ at high temperature, provides macroscopic structural support and oxidation protection;Synthetic nitrogen-doped hyperbranched polymer is used to toughen the material at mesoscopic scale and enhance the interface bonding;Furfural functionalized graphene oxide improves dispersibility and is used to construct microscopic conductive pathways;During the heat treatment process, the three additives synergistically act in the carbon matrix formed by pyrolysis of phenolic resin, constructing a multi-scale three-dimensional conductive network composed of graphene (plane), carbon fiber (line) and nitrogen-doped sites (point), and combining with the catalytic graphitization effect of boron, finally realizing the improvement of material performance.

The application relates to the field of composite films, and particularly discloses an easy-to-tear composite film and a preparation method thereof. The easy-to-tear composite film comprises, from top to bottom, a printing film, a first adhesive layer, an aluminum foil intermediate layer, a second adhesive layer and an inner layer heat-seal polyethylene film; wherein the printing film is a polyethylene terephthalate film; the first adhesive layer comprises the following raw materials in parts by weight: 75-80 parts of a modified polyurethane resin, 3-4 parts of a hyperbranched polymer, 2-4 parts of a curing agent, 70-80 parts of ethyl acetate and 0.5-0.8 parts of methyl methacrylate phosphate; in addition, the easy-to-tear composite film prepared by the application has good impact resistance, good anti-peeling performance and good moisture resistance.

This invention relates to the field of epoxy resin preparation technology, specifically disclosing a modified epoxy resin encapsulation material and its preparation method, comprising the following raw materials in parts by weight: 96-130 parts resin matrix, 14-16 parts thermally conductive filler, 9-12 parts composite flame retardant, 4.6-5.6 parts curing accelerator, 1.2-1.4 parts photoinitiator, and 440-500 parts solvent. This invention adds a terminal hydroxyl hyperbranched polymer and a thermally conductive filler to the modified epoxy resin encapsulation material. This polymer contains abundant active hydroxyl groups, benzene rings, -Si-O-Si bonds, and thiol groups, which can not only undergo a curing reaction with bisphenol A type epoxy resin but also react with the thermally conductive filler, thereby increasing the overall crosslinking density of the modified epoxy resin encapsulation material, improving the dispersibility of the thermally conductive filler, and enhancing both thermal conductivity and the ablation resistance and mechanical properties of the modified epoxy resin encapsulation material.

This invention discloses a high-barrier polyether ether ketone (PEEK) composite material and its molding method. The method involves introducing active epoxy groups into the PEEK molecular chain through reactive processing, then using an amino / anhydride compound as a chain extender. The reaction between the active epoxy groups and the chain extender constructs a large number of branched structures in the PEEK. This is then melt-blended with a heat-resistant hyperbranched polymer to increase the molecular entanglement density of the PEEK, resulting in an ultra-high molecular entanglement PEEK composite material. Furthermore, the composite material undergoes compression-pause-compression cyclic hot pressing. Through cyclic compression and relaxation, the free volume voids between the amorphous molecular chains are gradually extruded, promoting molecular chain rearrangement. The ultra-high molecular entanglement network then fixes the compacted molecular structure resulting from compression, ultimately yielding a high-barrier PEEK composite material. This material shows promising application prospects in high-end fields such as aerospace fuel pipelines, hydrogen energy storage and transportation containers, and high-vacuum electronic packaging.

This disclosure relates to a positive electrode sheet and its preparation method, as well as a battery and electrical device. The positive electrode sheet includes a current collector and a positive electrode material layer disposed on the current collector. The positive electrode material layer includes a positive electrode active material, a conductive agent, a binder, and a hyperbranched polymer. The hyperbranched polymer has a weight-average molecular weight of 20,000-40,000 and a branching degree of 0.3-0.8. The positive electrode sheet of this disclosure improves the vertical transport rate of lithium ions, allowing it to absorb more electrolyte in the battery and rapidly adsorb and transfer lithium ions. This facilitates the rapid migration of lithium ions from the high-coating-weight electrode sheet to the surface of the positive electrode active material. The positive electrode sheet of this disclosure has high areal capacity and high thickness, which can improve the fast-charging performance of the battery.

This invention discloses a transparent resin composition, its preparation method, and its application. The transparent resin composition comprises the following components by weight: 94-102 parts of a cyclic olefin polymer; 0.005-0.08 parts of an infrared absorber; and 0.1-0.6 parts of a hyperbranched polymer. The cyclic olefin polymer has a melt flow rate ≥15 g / 10 min at 260°C and 2.16 kg. The infrared absorber has the following structural formula: In Formula I, M is selected from vanadium, nickel, copper, palladium, zinc, manganese, or cobalt; R1-R6 are independently selected from hydrogen, alkyl groups with 4-12 carbon atoms, or alkoxy groups with 4-12 carbon atoms; R7 and R8 are independently selected from unsubstituted, oxygen-containing alkyl groups with 6-8 carbon atoms or alkoxy groups with 6-8 carbon atoms. This invention, by adding an appropriate amount of an infrared absorber with a specific structure to a cyclic olefin polymer, yields a transparent resin composition with good infrared absorption performance and a narrow absorption half-peak width, making it particularly suitable for preparing anti-infrared exposure filters.

This invention discloses a powder-based strong wetting and enhancing mother liquor suitable for low-temperature environments in northern regions, its preparation method, and its application, belonging to the field of water-based green building coatings technology. The enhancing mother liquor includes hyperbranched polymer wetting and dispersing agents, etc., in a specific ratio, and contains no volatile alcohol ether solvents such as ethylene glycol, propylene glycol, or glycerol ethers, with a VOC content ≤2g / L. Its preparation is completed in a closed environment at 0-10℃ via a two-step premixing method. In application, it is added in stages during the wetting and dispersing stage of the latex paint powder using a segmented feeding process. This invention, through the synergy of key component design and specific processes, successfully overcomes the technical bottleneck of simultaneously achieving ultra-low VOC and strong, thorough wetting of powder in low-temperature environments. The prepared latex paint has a wetting contact angle ≤28° at 5℃, fundamentally solving the problems of powder agglomeration, floating color, and blooming in low-temperature production and construction, making it suitable for the green manufacturing of high-end environmentally friendly coatings in northern winters.

This invention discloses a carboxylate dispersant for promoting pesticide migration in soil and its application, belonging to the field of pesticide formulation technology. The dispersant is a hyperbranched polymer containing sulfonate and carboxylate groups. Its molecular structure, through the introduction of long alkyl chains, aromatic groups, and heterocyclic side chains, achieves a strong anchoring effect on pesticide particles, while also possessing high electronegativity and steric hindrance. This invention aims to solve the technical problem that traditional dispersants only possess stabilizing functions, leading to the easy adsorption and retention of pesticide active ingredients by the soil and difficulty in migrating to deeper layers of the crop root zone. The carboxylate dispersant of this invention can significantly reduce the adsorption and retention of pesticide particles in the soil, promote the delivery of active ingredients to deeper soil layers with water and their accumulation in the crop root zone, thereby significantly improving the control effect of soil-borne diseases.

This invention discloses a fuel additive package, its preparation method, and its application, belonging to the field of aerospace engine and fuel technology. The fuel additive comprises an aqueous hydroxylamine solution, palmitic acid-terminated hyperbranched polyester, and polyoxyethylene sorbitan laurate. This invention uses a hyperbranched polymer with a "core-shell" structure as a surfactant. The polymer core is rich in hydrophilic functional groups, while the outer shell consists of lipophilic segments. Its internal multi-branched flexible structure can form a cohesive energy density gradient buffer zone at the interface. This structure allows the polymer to adaptively adjust its interaction with different solvents, achieving efficient solvation of hydrophilic substances even in systems with mismatched cohesive energy densities. During emulsification, this hyperbranched polymer can significantly reduce interfacial energy, forming nanoscale droplets much smaller than conventional emulsions, thereby constructing a uniform and long-term stable pseudo-homogeneous fuel system.

This application relates to the field of flexible stretchable electrode technology, and discloses a high-performance stretchable electrode, its preparation method, and its application. The preparation method includes: dissolving a hyperbranched polymer containing functional groups in a solvent to obtain a hyperbranched polymer solution; dispersing latex in a solvent to obtain an emulsion; adding the hyperbranched polymer solution to a silver nanowire dispersion for reaction, and collecting the solid product; dispersing the solid product in the emulsion to obtain a silver nanowire / emulsion ink; coating the silver nanowire / emulsion ink onto a flexible substrate, and performing demulsification treatment to obtain the high-performance stretchable electrode. In the stretchable electrode of this application, latex particles construct a continuous elastic network, tightly wrapping and embedding at the junctions of the silver nanowire network, forming a network structure that is both stretchable and highly conductive, exhibiting excellent electrical properties and cycle stability. Its tensile strain exceeds 500%, and at 100% tensile strain, the R / R0 is only 2.3; at 40% strain, it can withstand more than 10,000 tensile cycles.

The application relates to the technical field of photoelectric conversion materials, in particular to a perovskite precursor material for photoelectric conversion and a preparation method thereof. The preparation raw material of the precursor material comprises the following components: lead iodide, stannous iodide, methyl amine iodide and modified hyperbranched polymer; the preparation raw material of the modified hyperbranched polymer comprises the following components in parts by weight: triethyl borate 2-3 parts, 1,3-propanediol 2-3 parts, 2-amino-6-chlorobenzimidazole 0.5-0.8 parts, acryloyl chloride 0.3-0.5 parts, acrylic acid 0.3-0.4 parts, trifluoroethyl methacrylate 1-1.5 parts and dopamine 0.4-0.6 parts; the prepared perovskite precursor can improve photoelectric conversion efficiency and stability.

The application discloses a kind of transparent waterproof material and preparation method thereof, it is related to building outer wall technical field.The application is composed of the following components by weight fraction: 200~300 parts of film-forming matrix, 4~6 parts of dynamic crosslinking agent, 5~8 parts of hyperbranched polymer, 15~18 parts of flexible chain extender, 3~5 parts of reaction kinetics regulator, 10~20 parts of plasticizing modifier, 3~5 parts of tackifying water-resistant agent, 5~10 parts of solubilizing adjuvant, 4~6 parts of defoaming agent, 1~3 parts of pH regulator, 2~4 parts of fungicide, 200~300 parts of deionized water;The film-forming matrix includes one or more of silicone-modified high-crosslinking silicone-acrylate emulsion, pure acrylic emulsion, styrene-acrylic emulsion;The dynamic crosslinking agent includes disulfide bond-containing silane coupling agent;The reaction kinetics regulator includes poly (methyl vinyl ether-alt-maleic acid) sodium salt aqueous solution with solid content of 28~32 wt%;By step pre-polymerization, in-situ polycondensation, the problem of easy cation-induced gelation and microphase separation after the introduction of additives is solved.

A selenium-containing hyperbranched polymer (HBP), and a preparation method and application thereof are provided, belonging to the technical field of intelligent biomimetic materials preparation. The preparation method includes the following steps: preparing a compound M1; preparing an HBP; dissolving the compound M1 in anhydrous dichloromethane (DCM), adding anhydrous N,N-dimethylformamide (DMF) and oxalyl chloride, stirring an obtained mixture, and removing the anhydrous DCM and excess oxalyl chloride under reduced pressure to obtain a reactant A; under nitrogen protection, suspending the HBP and triethylamine (TEA) in anhydrous tetrahydrofuran (THF), and stirring to obtain a reactant B; and dissolving the reactant A in anhydrous THF, dropwise adding an obtained solution to the reactant B, heating an obtained mixture to room temperature, stirring, removing the anhydrous THF, redissolving an obtained product in anhydrous THF, and conducting dialysis to obtain the selenium-containing HBP.