32 results about "Star polymer" patented technology

The invention discloses a multi-scale synergistically enhanced self-healing solid polymer electrolyte and a preparation method thereof, and belongs to the technical field of electrolyte materials. The preparation method of the electrolyte comprises the following steps: S1, adding the eight-arm star polymer, the carborane lithium salt, the neutral plastic crystal additive, the ionic liquid monomer and the crown ether functionalized boron alkene two-dimensional filler into a mixed solvent to form electrolyte slurry; s2, uniformly coating a base material with the electrolyte slurry to form a wet film, and drying the wet film; s3, transferring the dried membrane to an environment filled with inert gas, and initiating in-situ polymerization of an ionic liquid monomer by using ultraviolet irradiation to form a polyionic liquid nanofiber network; and S4, placing the membrane under a vacuum condition at a constant temperature of 120 DEG C for 5 hours to obtain the solid polymer electrolyte membrane. The solid polymer electrolyte membrane provided by the invention overcomes the problems of low ionic conductivity, low lithium ion transference number, insufficient mechanical properties, poor interface stability, narrow electrochemical window and the like of the existing solid polymer electrolyte.

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

Provided is an aqueous based styrene-diene polymer emulsion composition including: i) from 2 to 50 wt. % of one or more polymers including linear polymers characterized by the formula:star polymers characterized by the formula:or combinations thereof; wherein D′, PA, D″, n and X are defined herein; ii) from 0.05 to 5.0 wt. % of one or more surfactants; and iii) the remainder of the composition comprising water. Also provided are an electrode slurry composition for a secondary metal ion battery composition, a secondary metal ion battery anode, a method of improving the life of a secondary metal ion battery, a method of making an aqueous based styrene-diene polymer emulsion composition, and a method of making an electrode slurry composition for a secondary metal ion battery.

This invention discloses a four-armed star-shaped polymer containing a polyoxyethylene structure, its preparation method, composition, and applications. The polymer is prepared by mixing an unsaturated organic carboxylic acid compound, an unsaturated sulfonic acid compound, and water, stirring to obtain a reaction solution, and continuously stirring and heating the reaction solution. An aqueous solution of a polyether macromonomer compound and the initiator aqueous solution are added to the heated reaction solution, followed by polymerization and purification. The polymer structure contains a large number of carboxyl groups, sulfonic acid groups, and ether groups, as well as abundant polyoxyethylene groups and alkyl chains, giving the polymer good water solubility and excellent chelating properties for metal ions. The polymer prepared by this method shows good effects in cleaning, defoaming, and scale inhibition. Furthermore, compositions formed by combining the polymer with other corrosion and scale inhibitors exhibit good compatibility and can be used for scale inhibition in high-hardness water.

The invention discloses a polyether-ether-ketone composite material based on recycled carbon fibers as well as a preparation method and application thereof, and belongs to the technical field of carbon fiber reinforced thermoplastic resin composite materials. The composite material is prepared from the following components in parts by weight: 10 to 30 parts of treated recycled carbon fiber, 60 to 80 parts of PEEK resin and 5 to 15 parts of compatilizer. The preparation method comprises the following steps: adding ZIF-8 derived porous carbon into a sizing agent which takes a PEEK oligomer as a main component, repairing surface defects of recycled carbon fibers in a mode of combining ultrasonic oscillation sizing with vacuum impregnation, and combining with an added multi-arm star-shaped polymer compatilizer; the prepared recycled carbon fiber / polyether-ether-ketone composite material has the characteristics of high interfacial compatibility, high-strength stability and the like, and can be economically and efficiently applied to the field of robot lightweight, such as robot joint shells, arm levers and the like.

The invention belongs to the technical field of chemical production, aims to solve the problem of catalyst deactivation caused by crystallization and wrapping in the existing hydrogenated bisphenol A (HBPA) production process, and provides a star polymer for inhibiting crystallization and wrapping in the HBPA production process as well as a preparation method and application thereof. The star polymer provided by the invention takes a polyfunctional group compound (such as pentaerythritol and diethylenetriamine) as a core, a polyacrylic acid main chain with the molecular weight of 5,000-20,000 g / mol is extended, a polyethylene glycol side chain with the molecular weight of 500-2,000 g / mol and the grafting rate of 20%-50% is grafted on the main chain, and through the hydrogen-bond interaction of a carboxylic acid group and HBPA crystals and the steric hindrance effect of the polyethylene glycol side chain, the molecular weight of the HBPA crystals is increased, so that the molecular weight of the HBPA crystals is increased, and the molecular weight of the HBPA crystals is increased. Devitrification wrapping is efficiently inhibited. The invention develops a method which is efficient and environment-friendly and does not introduce new impurities, is used for inhibiting the crystallization wrapping phenomenon in the hydrogenated bisphenol A production process, and has important industrial application value.

The present disclosure pertains to a 3D scaffold for cell growth and proliferation. In particular, the present disclosure provides a method of producing an artificial 3D scaffold to support stem cell growth and later their differentiation, by converting biodegradable amphiphilic copolymers (star polymer) into nanowire scaffolds, through a molecular self-assembly process. The invention also relates to the use of said scaffold for cell culture and / or transplantation.

The invention belongs to the technical field of chemical production, aims to solve the problem of catalyst deactivation caused by crystallization and wrapping in the existing hydrogenated bisphenol A (HBPA) production process, and provides a star polymer for inhibiting crystallization and wrapping in the HBPA production process as well as a preparation method and application thereof. The star polymer provided by the invention takes a polyfunctional group compound (such as pentaerythritol and diethylenetriamine) as a core, a polyacrylic acid main chain with the molecular weight of 5,000-20,000 g / mol is extended, a polyethylene glycol side chain with the molecular weight of 500-2,000 g / mol and the grafting rate of 20%-50% is grafted on the main chain, and through the hydrogen-bond interaction of a carboxylic acid group and HBPA crystals and the steric hindrance effect of the polyethylene glycol side chain, the molecular weight of the HBPA crystals is increased, so that the molecular weight of the HBPA crystals is increased, and the molecular weight of the HBPA crystals is increased. Devitrification wrapping is efficiently inhibited. The invention develops a method which is efficient and environment-friendly and does not introduce new impurities, is used for inhibiting the crystallization wrapping phenomenon in the hydrogenated bisphenol A production process, and has important industrial application value.

The invention discloses preparation of an antibacterial surfactant and application of the antibacterial surfactant in a pesticide suspending agent, and belongs to the technical field of pesticide preparations.The method comprises the steps that esterified mPEG 500 succinic acid monoester, pentaerythritol and 12-hydroxystearic acid are subjected to condensation to obtain mPEG / hydroxystearic acid co-modified star-shaped pentaerythritol; the product and glycidyl trimethyl ammonium chloride are subjected to a ring-opening reaction under the alkaline condition, a four-function modified star polymer is obtained, and then the four-function modified star polymer is compounded with modified silicon dioxide to prepare the antibacterial surfactant. Through a double dispersion mechanism of a star-shaped structure and modified silicon dioxide, the problems that a traditional surfactant is easily polluted by microorganisms, particles are agglomerated due to hard water, and the suspension dispersion is poor are solved, the antibacterial property, the hard water resistance, the wetting property and the penetrating property are improved, the surfactant has long-acting stable dispersion and synergistic antibacterial ability, and the service life of the surfactant is prolonged. The storage and transportation of the pesticide suspending agent and the use requirements of farmlands with different water qualities are met.

The invention discloses a preparation method of cationic polyacrylamide for an oil field in the field of oilfield chemical agents, which comprises the following steps: firstly, preparing a carbon dioxide response type star polymer modified material which is synthesized by taking ethylenediamine as a core through four-step reaction: firstly, reacting with a brominating reagent to form a four-arm initiator; carrying out atom transfer radical polymerization on the star-shaped polymer, dimethylaminoethyl acrylate and hexafluorobutyl acrylate to construct a star-shaped skeleton; then carrying out inclusion modification with hydroxypropyl beta cyclodextrin through host-guest interaction; and finally, performing double crosslinking through zinc ion coordination and etherification reaction to obtain the modified material. The modified material, acrylamide, a cationic monomer and an auxiliary monomer are dissolved in water, a two-stage polymerization process of low-temperature pre-polymerization and high-temperature post-polymerization is performed, and granulation, drying and crushing are performed to obtain a final product. The polyacrylamide prepared by the method shows excellent tackifying performance and temperature-resistant and salt-resistant performance in oil field application, and is especially suitable for tertiary oil recovery operation under high-temperature and high-salt oil reservoir conditions.

The application discloses a kind of self-healing solid-state polymer electrolyte of multiscale synergistic enhancement and preparation method thereof, belong to electrolyte material technical field.The preparation method of electrolyte: S1, eight-arm star polymer, lithium carborane salt, neutral plastic crystal additive, ionic liquid monomer, crown ether functionalized boronene two-dimensional filler are added into mixed solvent to form electrolyte slurry;S2, electrolyte slurry is uniformly coated on substrate to form wet film, and is dried;S3, the film of drying is transferred to the environment filled with inert gas, and in-situ polymerization of ionic liquid monomer is initiated using ultraviolet irradiation to form polyionic liquid nanofiber network;S4, the film is placed at 120 DEG C under vacuum condition for 5 h, and solid-state polymer electrolyte film is obtained.The solid-state polymer electrolyte film of the application overcomes the problems of low ionic conductivity, low lithium ion transference number, insufficient mechanical properties, poor interface stability, narrow electrochemical window and other problems existing in existing solid-state polymer electrolyte.

The application discloses a multifunctional multi-arm star polymer and a preparation method and application thereof, and belongs to the technical field of biomedical materials.The functional multi-arm star polymer disclosed by the application takes an internal ring polymer as a core molecule, and a functionalized acrylate monomer is used to prepare the multi-arm star polymer through ATRP.The polymer prepared by the application has the characteristics of adjustable terminal reaction site of the core molecule, controllable and narrow molecular weight distribution of the number, length and functionalization unit of the arm molecule, excellent affinity to mRNA, and the like.The complex nanoparticles formed by the polymer and mRNA are uniformly distributed and have good stability.The in-vitro transfection result shows that the polymer can efficiently deliver mRNA in various tissue cell lines, which provides an application basis for further genetic disease, cancer gene therapy and virus vaccine development.

The application relates to the technical field of polymer micelles, in particular to a pH response star polymer micelle and a preparation method and application thereof. The pH response star polymer micelle takes pentaerythritol as a core, and other block structures include polyethylene glycol monomethyl ether, a dynamic imine bond, gamma-amino-epsilon-caprolactone and epsilon-caprolactone. After loading an anticancer drug doxorubicin, the polymer micelle can stably exist in a neutral environment of human normal tissues, and can control the release of the drug in a slightly acidic environment of tumor cells.

The invention discloses a star polymer-based front silver paste and a preparation method thereof, and a Topcon solar cell, the star polymer-based front silver paste comprises the following components by weight: 85-92% of silver powder, 1.0-4.0% of glass powder, and 4.61-15% of an organic carrier; wherein on the basis of the total weight of the front silver paste, the organic carrier comprises 0.1-4.0% of a star polymer. According to the invention, the problems of grid breaking and virtual printing of a superfine line in a traditional formula are solved, the height-width ratio of the grid line is improved, the series resistance of the grid line is reduced, and the electrical performance is improved.

The invention belongs to the technical field of anion exchange membranes, and discloses a star polymer anion exchange membrane as well as preparation and application thereof. The piperidine type three-monomer polymer with excellent alkali stability, dimensional stability, chemical stability and mechanical properties is synthesized. The preparation method comprises the following steps: constructing a star topological structure in a polymer skeleton by controlling the feeding sequence of monomers, reacting the polymer with iodomethane to obtain a quaternized polymer, and casting the membrane by using the quaternized polymer. Compared with a traditional branched ionic membrane, the prepared membrane has the advantages that the conductivity and the dimensional stability are remarkably improved, and excellent performance is achieved in an anion exchange membrane fuel cell.

The invention relates to functionalized cellulose composite aerogel for water treatment and a preparation method thereof. The preparation method comprises the following steps: firstly, growing ZIF-8 between MXene layers in situ; then mixing the obtained ZIF-8-coated MXene material with AM and 2-AMPS, carrying out in-situ growth of a star polymer under the initiation of a star chain transfer agent and an initiator, and finally dispersing the compound in a sodium carboxymethyl cellulose aqueous solution to form the lightweight porous composite aerogel. The star polymer is adopted to synergistically construct the composite aerogel of the ZIF-8 (at) MXene composite material and the cellulose, the star polymer provides abundant acylamino and sulfonic acid group adsorption sites, the star polymer, the ZIF-8 and MXene materials generate a synergistic interaction effect, and the adsorption capacity on metal ions and organic matters is remarkably improved.

This invention relates to a self-compacting concrete and its preparation method, belonging to the field of concrete technology. The raw materials for the self-compacting concrete provided by this invention include cement, fly ash, slag powder, sand, crushed stone, a high-performance water-reducing agent, an air-entraining agent, and water. The high-performance water-reducing agent is obtained by blending a polycarboxylate water-reducing agent, an organosilicon-modified hyperbranched star polymer, and a polyether-modified organosilicon polymer. The air-entraining agent is obtained by compounding sodium dodecylbenzene sulfonate and sodium fatty alcohol polyoxyethylene sulfonate. The self-compacting concrete prepared by this invention has a high water reduction rate, low slump loss, and high stability, resulting in a significant improvement in overall performance.

The invention discloses a waterborne epoxy coating as well as a preparation method and application thereof, and relates to the technical field of coatings. The waterborne epoxy coating is prepared from a component A and a component B, the component A comprises waterborne epoxy resin, spherical zinc powder, flaky zinc powder, nano silicon dioxide and carbon nanotubes; the component B comprises a curing agent, a directional arrangement auxiliary agent and an anchoring auxiliary agent; the directional arrangement auxiliary agent is an auxiliary agent which has a directional arrangement effect on the carbon nano tube and the flaky zinc powder; the anchoring aid comprises a block copolymer and / or a star polymer. The waterborne epoxy coating has the advantages of being high in drying speed, high in water resistance and salt spray resistance, good in corrosion resistance, excellent in weather resistance and high in adhesive force, also has good welding resistance and cutting resistance, is suitable for the field of heavy corrosion prevention, and is particularly suitable for being used as workshop primer to be applied to the fields of containers, ships, steel structure bridges and petrochemical mechanical equipment.

The application provides a platable polypropylene composite material. The platable polypropylene composite material comprises the following components in parts by weight: 40-60 parts of polypropylene, 30-50 parts of talcum powder, 3-8 parts of polyethylene glycol star polymer, 1-5 parts of lubricant, and 0.1-1 parts of antioxidant. The main chain of the polyethylene glycol star polymer is a copolymer chain formed by benzyl ether with one vinyl group on each benzene ring, and the branch chain is a chain formed by the reaction of aldehyde groups on the benzene ring with polyethylene glycol. The D50 particle size of the talcum powder is 1-5 microns. The weight average molecular weight of the polyethylene glycol star polymer is 10000-30000. By adding the polyethylene glycol star polymer with a specific structure and the small particle size talcum powder, the polypropylene composite material has high rigidity and excellent plating effect, meets the application requirements, and the shrinkage rate of the polypropylene composite material is close to that of ABS material, so that the polypropylene composite material can directly replace the ABS material without updating the mold, and has a good production application prospect.

This invention relates to the field of antitumor nanomedicine micelles, specifically to a charge-flipping amphiphilic star polymer, its preparation method, and its applications. The structural formula of the charge-flipping amphiphilic star polymer is shown in formula (I). This invention combines pH-responsive charge flipping, long circulation, and efficient cellular uptake with synergistic properties, as well as biodegradability, providing a new strategy to overcome the bottlenecks of traditional anticancer drugs in clinical applications. It is expected to achieve more precise drug release and higher treatment efficiency in tumor therapy.

The application discloses a kind of high transparent TPU hot melt adhesive film compositions and its production process, belong to high polymer material technical field.The composition contains TPU matrix, polymer modifier and the like component;Production process includes the synthesis of four-arm star polymer modifier, raw material vacuum dehydration, high-speed mixing, gradient temperature control extrusion granulation and gradient melting under nitrogen protection-quick cooling casting film.The application is to solve the defects of insufficient transparency, poor bonding durability and easy migration of the existing TPU hot melt adhesive film, proposes a star-shaped topological modifier design and a double covalent crosslinking synergistic scheme, realizes the molecular-level compatibility of the modifier and TPU, and finally obtains a hot melt adhesive film with high transparency, high bonding stability and excellent processing performance, suitable for optical device bonding and other high-end scenarios.

The application belongs to the technical field of cosmetics, and particularly relates to a water-soluble star-shaped polymer, a water-based sunscreen spray and a corresponding preparation method. An epoxy-terminated water-soluble star-shaped polymer is designed and synthesized, and a carboxyl-containing ultraviolet absorption group is grafted onto the epoxy-terminated water-soluble star-shaped polymer to obtain a water-soluble star-shaped polymer with a terminal grafted ultraviolet absorption group. The polysiloxane core segment provides film-forming property and hydrophobicity, the polyoxyethylene ether (EO) side chain provides water solubility, and the ultraviolet absorption group grafted at the end of the side chain provides a sunscreen effect, so that high sunscreen effect and high waterproof and sweatproof effect are achieved.

The invention discloses a multifunctional multi-miktoarm star polymer as well as a preparation method and application thereof, and belongs to the technical field of biomedical materials. According to the functional multi-miktoarm star polymer disclosed by the invention, an internal cyclization polymer is used as a core molecule, and the internal cyclization polymer and a functional acrylate monomer are subjected to ATRP (Atom Transfer Radical Polymerization) to prepare the multi-miktoarm star polymer. The polymer prepared by the invention has the characteristics of adjustable reaction sites at the tail ends of core molecules, controllable number and length of arm molecules and functional units, narrower molecular weight distribution and the like, and has excellent affinity to mRNA, and composite nanoparticles formed by the polymer and the mRNA are more uniform in distribution and good in stability. An in-vitro transfection result shows that mRNA can be efficiently delivered in various tissue cell lines, so that an application basis is provided for further genetic disease and cancer gene therapy and viral vaccine development.

The application discloses a multifunctional printing and dyeing dye and application thereof in outdoor clothes, and belongs to the technical field of polyamide printing and dyeing. The multifunctional printing and dyeing dye comprises 1-3% (o.w.f) of acid dyes, 1.5-3.5 g / L of dyeing auxiliaries and 0.6-1 g / L of crosslinking agent; the dyeing auxiliary is a core crosslinked star polymer prepared by an arm-first method; by adjusting the pH value and bath ratio of a dye bath, dyeing can be changed into fixing, and a fixing liquid does not need to be additionally configured, thereby reducing the additional water consumption required by fixing; the dyeing auxiliary adopted is a core crosslinked star polymer prepared by an arm-first method, and an ultraviolet absorber is coated in the core, so that the light stability, washing resistance and migration resistance of the dyeing auxiliary are improved, and the problem that the dyeing auxiliary migrates to the surface of the fabric and long-term contacts with human skin to cause sensitive skin irritation is prevented.

The invention relates to the field of anti-tumor nano drug-loaded micelles, in particular to a charge turnover type amphiphilic star-shaped polymer as well as a preparation method and application thereof. The structural formula of the charge turnover type amphiphilic star-shaped polymer is shown as a formula (I). According to the present invention, the pH responsive charge overturning, the long circulation and the efficient cell uptake synergistic performance are achieved, the biodegradability is provided, the new strategy is provided for overcoming the bottleneck problem of the traditional anti-cancer drug in the clinical application, and the more accurate drug release and the higher treatment efficiency in the tumor treatment are hopefully achieved.

A cleansing composition comprising: a) a suspending polymer; b) a surfactant system comprising an anionic surfactant and a co-surfactant; and c) water; wherein the suspending polymer is selected from i) a homopolymer defined by Formula (1): wherein R group is an aliphatic or an aromatic moiety or group, R1 an aliphatic or an aromatic moiety or group, R2 an aliphatic or an aromatic moiety or group, and R3 an aliphatic or an aromatic moiety or group, and wherein y is from 50 to 1000, preferably from 100 to 750, more preferably from 200 to 600 and x is 1 or 0; and ii) a copolymer defined by Formula (2): wherein R1, R2, R3, x and y are as defined for Formula (1); R4 is selected from the same definitions as R2 in Formula (1) and R5 is selected from the same definitions as R3 in Formula (1); and R4 may be the same as R2 in Formula (1) or R4 may be different from R2 in Formula (1) and; R5 may be the same as R3 in Formula (1) or R5 may be different from R3 in Formula (1) and; wherein the percent weight for weight of y:z is within the range of from 100 to ), excluding homopolymers; and wherein the polymer is selected from a linear polymer, a star polymer, a branched polymer and a crosslinked polymer.

The invention discloses a supramolecular star polymer with programmable mechanical properties as well as a preparation method and application thereof, and belongs to the technical field of intelligent materials with variable hardness. The supramolecular star polymer with the programmable mechanical property has a curing cross-linked network of a mixture of a benzocrown ether end-capped star polymer and a supramolecular cross-linking agent, and the supramolecular cross-linking agent is as follows: the supramolecular star polymer can achieve the programmable mechanical property by driving the change of the functionality of the supramolecular cross-linked network through light; compared with an atomic-scale response mechanism, the mechanical property programmable effect is relatively good, synchronous programming of the mechanical property and the heat resistance can be achieved, and the application prospect of the flexible robot as an intelligent material is excellent.

The present application relates to a kind of gel polymer electrolyte and preparation thereof, belong to lithium battery field.The present application provides a kind of gel polymer electrolyte, the gel polymer electrolyte includes POSS-PMMA star polymer, ionic liquid and lithium salt, wherein, the dosage ratio of each raw material is as follows:POSS-PMMA star polymer 30~90 parts by weight, ionic liquid 10~70 parts by weight, lithium salt 10~35 parts by weight.The present application selects and introduces ionic liquid and lithium salt in POSS-PMMA star polymer, and a new type of gel polymer electrolyte is prepared;Wherein the introduction of POSS not only ensures mechanical strength but also greatly improves thermal performance, the introduction of ionic liquid can avoid a series of safety problems caused by the use of organic solvent, also increase the environmental friendliness of preparation process.

The invention relates to a polyalkyne initiator, an alkyne-containing star branched polymer and a preparation method and application of the polyalkyne initiator, active alkyne, an organic alkali metal compound and isoprene are mixed in an organic non-polar solvent under the protection of anhydrous and oxygen-free inert gas, and a heating oscillation reaction is performed to obtain the polyalkyne initiator. The preparation method comprises the following steps: carrying out anionic polymerization reaction on a polyalkyne initiator, a conjugated olefin monomer and n-hexane under heating oscillation, cooling to room temperature after the polymerization reaction is completely finished, and adding a terminator mixed with an anti-aging agent to terminate the reaction to obtain the alkyne-containing star branched polymer. Compared with the prior art, the alkyne initiator disclosed by the invention is used as a functional initiator for performing functional modification on a polymer, has the characteristics of high purity, high activity and the like, and expands the ranks of few types of functional initiators. The polymer prepared from the alkyne initiator has a polar group and a multi-branched structure, and is a star polymer.

The invention discloses a sunscreen curtain and a production device, belongs to the technical field of textiles, and solves the problems that the thermal expansion coefficient difference between a curtain shading coating high polymer material and a polyester base material is large, the interfacial shear stress is far higher than the adhesive strength during temperature change, stress is accumulated due to repeated thermal and cold cycles, irreversible layering and stripping are caused, and the production efficiency is low. The edge is warped at the initial stage and then spreads, a formed air interlayer weakens the shading performance, and'bubbles' which cannot be ironed and repaired appear. Comprising a base layer and a shading coating coated on one side of the base layer, and the shading coating comprises liquid crystal polyesteramide, hydrogenated butadiene-acrylonitrile rubber, surface grafting type silicon carbide whiskers, a four-arm borate star polymer and antimony-doped tin oxide coated polydopamine core-shell particles. The shading coating is designed according to the thermal expansion coefficient gradient, dynamic stress dissipation and nanometer interface enhancement are achieved, and the problem of hot and cold circulation layering caused by the thermal expansion difference of materials of the sunscreen curtain is solved.