148 results about "Polythiophene" patented technology

The invention belongs to the technical field of self-repairing materials, and particularly relates to a double-microcapsule self-repairing waterborne polyurethane material and a preparation method thereof. Comprising the following steps: ultrasonically dispersing cellulose nanocrystals in deionized water to form a water phase, adding drying oil and lauryl sodium sulfate, and stirring to obtain the drying oil microcapsule taking Pickering emulsion as a template. Preparing a polyvinylpyrrolidone aqueous solution, a non-polar solvent solution of thiophene monomers and an ammonium persulfate aqueous solution; and mixing and ultrasonically dispersing the two, mixing with an ammonium persulfate aqueous solution, stirring and polymerizing to obtain a polythiophene microcapsule suspension after the reaction is completed, centrifuging until the supernatant is colorless, and washing and drying the solid to obtain the polythiophene microcapsule. And finally, adding the two microcapsules into waterborne polyurethane, uniformly mixing, and drying at room temperature to form the double-microcapsule self-repairing waterborne polyurethane material. According to the invention, the self-repairing and mechanical property improvement of the double-microcapsule self-repairing waterborne polyurethane material under room-temperature natural light are realized.

The invention discloses an antistatic and antibacterial mixed fiber and a preparation method thereof, and belongs to the technical field of textile fabrics. The preparation method comprises the steps of fiber pretreatment, polycaprolactam graft modification, polyethylene glycol terephthalate graft modification, blending treatment and after-treatment. According to the invention, the PA6 (polycaprolactam) fiber is grafted and modified step by step to load quaternary ammonium salt, so that the long-acting antibacterial effect is realized; pET (polyethylene glycol terephthalate) fiber is grafted with a cationic monomer to construct an antistatic path, and the PET fiber and the cationic monomer are blended in a ratio of (6-7): (3-4), so that the performance and the mechanical strength are considered; a polythiophene conducting layer and silver-doped nano titanium sol are adopted in after-treatment, so that the surface is endowed with double antibacterial and efficient antistatic functions. According to the process, the environmental protection property and the production efficiency are remarkably improved through a water-phase reaction system and a padding-baking method, and the function retention rate is larger than or equal to 90% after 50 times of washing.

The invention provides a bio-based super-soft cool antibacterial knitted fabric and a preparation method thereof. The preparation method comprises the following steps: step 1, blending modified nanometer jade powder and PLA master batch, and carrying out melt spinning through a double-screw extruder to obtain cool fibers; 2, polyamide is mixed with the mango seed kernel extract and the polythiophene nano shell powder, and hollow fibers are obtained through wet spinning; 3, combing and drawing PLA fibers, the hollow fibers and the cool fibers to obtain blended yarns; 4, the PLA fibers and the blended yarn serve as outer layer yarn, the hollow fibers serve as inner layer yarn, a double-face circular weft knitting machine is adopted for knitting, and gray fabric is obtained; and step 5, carrying out low-temperature dyeing and post-treatment on the gray fabric to obtain the bio-based super-soft cool antibacterial knitted fabric. By optimizing the addition amount of the nanometer jade powder, the proportion of a marriage house and a low-temperature post-treatment process, collaborative improvement of cool feeling, antibiosis, breathability and super softness is achieved.

The invention provides a conductive backboard, a preparation method thereof and a photovoltaic module. The conductive backboard comprises a supporting layer, a conductive layer and an insulating layer which are stacked in sequence, the conductive layer comprises a conductive circuit area, the conductive circuit area comprises a conductive material, and the conductive material is a conductive adhesive and / or a conductive coating; the conductive material comprises the following components in parts by weight: 20-40 parts of matrix resin, 50-80 parts of conductive filler and 5-10 parts of a curing agent, wherein the conductive filler is selected from any one or more of metal particles, metal oxide, a fiber material, a carbon-based material, a polythiophene polymer and a mica material with a metal layer on the surface. According to the conductive backboard, the composition of the conductive material in the conductive layer is optimized, so that the conductive layer has good ductility, is better matched with the thermal performance of a polymer and is better compounded with the supporting layer, and the conductive performance, the mechanical strength and the weather resistance of the conductive backboard are improved, so that the photoelectric conversion efficiency of a photovoltaic module is improved.

The application belongs to the technical field of self-repairing materials, and particularly relates to a kind of double-microcapsule self-repairing water-based polyurethane material and its preparation method. It comprises: ultrasonic dispersion of cellulose nanocrystals in deionized water to form an aqueous phase, adding dry oil and sodium dodecyl sulfate, and stirring to obtain a dry oil microcapsule with a Pickering emulsion as a template. Then, polyvinylpyrrolidone aqueous solution, non-polar solvent solution of thiophene monomer and ammonium persulfate aqueous solution are prepared. The first two are mixed and ultrasonically dispersed, then mixed with the ammonium persulfate aqueous solution and stirred to polymerize. After the reaction is completed, polythiophene microcapsule suspension is obtained. After centrifugation, the supernatant is colorless. The solid is washed and dried to obtain polythiophene microcapsules. Finally, the two kinds of microcapsules are added to the water-based polyurethane, mixed uniformly, dried at room temperature to form a double-microcapsule self-repairing water-based polyurethane material. The application realizes the self-repairing and mechanical property improvement of the double-microcapsule self-repairing water-based polyurethane material under room temperature natural light.

The invention discloses twelve-hole polyester staple fiber and a preparation method thereof, and relates to the technical field of polyester. The preparation method comprises the following steps: reacting 3-thiophene isocyanate with phenol to prepare thienyl blocked isocyanate; carbon nanotubes are carboxylated by sulfuric acid and nitric acid and then react with 3-aminothiophene to prepare thienyl carbon nanotubes, and thiophene and thienyl blocked isocyanate are subjected to oxidative polymerization reaction on the surfaces of the thienyl carbon nanotubes to prepare polythiophene carbon nanotubes; the preparation method comprises the following steps: reacting N, N-dimethyl-n-octylamine with epoxy chloropropane to prepare functional diol; the preparation method comprises the following steps: carrying out polycondensation on ethylene glycol, terephthalic acid, 2-vinyl terephthalic acid and functionalized diol to prepare pre-modified polyester; carrying out a reaction on the pre-modified polyester and methoxyl polyethylene glycol sulfydryl to prepare modified polyester; and carrying out melt spinning on the modified polyester and the polythiophene carbon nanotubes to obtain the finished product fiber. The twelve-hole polyester staple fiber prepared by the method has the effects of resisting bacteria, absorbing moisture, resisting static electricity and being good in mechanical property.

The application belongs to the technical field of chemical separation materials, and relates to a preparation method of a sulfonated polythiophene modified nitrogen-doped honeycomb carbon and Co9S8 composite microsphere integrated flow electrode, which comprises the following steps: taking chitosan as a carbon source and a nitrogen source, adding a cobalt source and a sulfur source, performing cross-linking aging, forming and curing, performing freeze drying and high-temperature carbonization, and obtaining chitosan derived nitrogen-doped honeycomb carbon and Co9S8 composite microspheres; taking thiophene and 3-sulfonic acid thiophene as monomers, coating a sulfonated polythiophene film on the surface of the composite microspheres through chemical polymerization, and obtaining the integrated flow electrode. The high specific capacitance electrode material and the conductive ion exchange membrane function are combined into one, the specific capacitance, the hydrophilicity and the ion selective permeability are significantly improved, the integrated flow electrode is used for deionization technology treatment of uranium-containing wastewater, the uranium removal rate is high, the electric adsorption capacity is large, the balance time is short, the device is simplified, and the application prospect is wide.

This invention relates to the field of lithium-ion battery technology, specifically to a silicon-carbon material, its preparation method, and its application. The silicon-carbon material includes a core and a coating layer covering at least a portion of the surface of the core. The core includes nano-silicon material. The coating layer includes a flexible conductive polymer layer and a carbon layer existing between the core and the flexible conductive polymer layer. The flexible conductive polymer layer includes a conductive polymer having a conjugated structure. The conductive polymer includes at least one of polyaniline, polypyrrole, polyacetylene, polythiophene, polyquinoline, polyfluorene, polybenzothiadiazole, and poly(p-phenylenevinylene). The mass ratio of the conductive polymer to the total mass of the carbon layer and the core is (0.05-0.2):1. This invention, by constructing a shell structure with a "carbon layer-flexible coating layer" on the core, enables the silicon-carbon material with this core-shell structure to solve the problems of volume expansion, poor conductivity, and SEI layer instability of silicon materials in lithium-ion batteries.

The invention discloses a modified spherical graphite negative electrode material and a preparation method and application thereof.The modified spherical graphite negative electrode material comprises a graphite core, an embedded structure and a coating layer, the graphite core is spherical or spheroidic graphite, the embedded structure is achieved by embedding boron nitride nanosheets into the surface of the graphite core, and the coating layer is coated with the boron nitride nanosheets. The number of layers of the boron nitride nanosheets is 1-5, the proportion of the embedded structure is 5-15 wt%, the coating layer is one of sulfonated polypyrrole, sulfonated polyaniline or sulfonated polythiophene, the thickness of the coating layer is 5-50 nm, the surface sulfonic acid group content of the coating layer is 5-10 wt%, and the coating layer coats the embedded structure and the graphite core. The graphite negative electrode material is subjected to BNNS embedding through high-pressure homogenization, and then is coated by a sulfonated polymer surface in-situ polymerization process, so that the material is endowed with high tap density, high thermal conductivity and excellent ion transmission capability, and the graphite negative electrode material is suitable for high-energy-density power batteries and fast charging scenes.

The application belongs to the technical field of catalyst preparation, and particularly discloses a Cu 2‑x The application discloses a preparation method and application of an S / carbon / MnO2 / attapulgite composite catalyst. Attapulgite is used as a carrier, and is reacted with thiophene and potassium permanganate to uniformly load flaky manganese dioxide on the attapulgite carrier, and simultaneously, the thiophene is oxidized into a polymer to prepare polythiophene / MnO2 / attapulgite. A copper source is added, and complexation and coordination occur between sulfur atoms (S) in the thiophene and copper ions (Cu 2+ ), so that the copper ions are adsorbed in situ to the surface of the polythiophene / MnO2 / attapulgite composite, and Cu 2‑x S / carbon / MnO2 / attapulgite is prepared by pyrolysis. The prepared catalyst has both thermal catalysis function and plasmonic photothermal effect, greatly reduces the reaction temperature when the catalyst catalyzes and oxidizes VOCs, and realizes the purpose of coupling and catalyzing and oxidizing VOCs under low-temperature conditions.

The present application relates to a kind of preparation method of polythiophene conjugated polymer, in the presence of palladium catalyst, nitrogen-containing heterocyclic ligand, oxidant, deproton ligand and solvent, to be activated aromatic hydrocarbon is directly arylated polymerization reaction one step synthesis polythiophene conductive polymer by oxidation;To be activated aromatic hydrocarbon is one or more of thiophene and its derivatives;The coordination number of nitrogen-containing heterocyclic ligand and palladium is 1, and the coordination number of deproton ligand and palladium is 2;Or, the coordination number of nitrogen-containing heterocyclic ligand and palladium is 2, and the coordination number of deproton ligand and palladium is 1;The reaction transition state of metal synergistic deprotonation step participated by ligand and deproton ligand calculated by density functional theory, the W Pd‑C and W C‑H Sum calculated is not less than 0.75;The method of the present application is simple, fast, and does not need to be pre-activated for monomer, solves the problem of low yield and polymerization degree in the prior art by oxidation direct arylated polymerization to prepare polythiophene polymer.

The present invention relates to a dispersion comprising i) a dispersant; ii) at least one polythiophene dispersed in the dispersant i); wherein for the dispersion, the power law exponent n in the Ostwald de l / l / ae / e relationship T = K yn is in the range of 0.40 to 0.65, where T is the shear stress, K is the flow consistency coefficient, and Y is the shear rate dy / dt. The invention also relates to a method for producing a dispersion, to a dispersion obtainable by this method, to a method for producing a layered body, to a layered body obtainable by this method, and to the use of a dispersion for forming a polymer outer layer in a capacitor.

The present invention relates to a dispersion comprising i) a dispersant; ii) at least one polythiophene dispersed in the dispersant i); and the Ostwald de l / l / ae / e relationship for the dispersion. T =Ky n The exponent n in the power law is in the range of 0.62 to 0.92. T The present invention relates to a dispersion in which is the shear stress, K is the fluid viscosity constant, Y is the shear rate dy / dt, and the dispersion has a solid content of at least 1.5% by weight based on the total weight of the dispersion. The present invention also relates to a process for preparing a dispersion, a dispersion obtained by the process, a process for preparing a laminate, a laminate obtained by the process, and the use of the dispersion for forming a solid electrolyte layer in a capacitor.

Medical electrode comprising a base body (101) on which an electrically conductive first layer (102) and a cover layer (103) are arranged, the cover layer comprising an overhang (107) which partially covers the first layer (102), and an electrically conductive second layer (105) which is arranged on the first layer (102), the second layer (105) comprising an electrically conductive polymer selected from the group consisting of a polyacetylene, a polyvinyl alcohol, a polyfluorene, a polyphenylene, a polyphenylene vinylene, a polypyrene, a polyazulene, a polynaphthalene, a polypyrrole, a polycarbazole, a polyindole, a polyazepine, a polyaniline, a polyacene, a polythiophene, a polythiophene vinylene, a poly-p-phenylene sulfide, a polypyridine or functionalized derivatives, precursors or mixtures thereof;wherein the top layer (103) further comprises a recess (108), wherein the second layer (105) is arranged exclusively within the recess (108), and wherein the outwardly facing surface of the second layer (105) is spaced apart from the outwardly facing surface of the top layer (103), leaving a free area within the recess (108).

The present invention relates to a dispersion comprising i) a dispersant; ii) at least one polythiophene dispersed in the dispersant i); wherein for the dispersion, the power law exponent n in the Ostwald de l / l / ae / e relationship T = K yn is in the range of from 0.62 to 0.92, where T is the shear stress, K is the flow consistency coefficient, and Y is the shear rate dy / dt; and wherein the dispersion has a solids content of at least 1.5 wt% based on the total weight of the dispersion. The invention also relates to a method for producing a dispersion, to a dispersion obtainable by this method, to a method for producing a layered body, to a layered body obtainable by this method, and to the use of a dispersion for forming a solid electrolyte layer in a capacitor.

This invention relates to a permanently antistatic PA composite material and its preparation method, belonging to the field of polymer materials technology. The permanently antistatic PA composite material comprises, by weight, 70-90 parts PA resin, 30-60 parts polyethylene, 5-15 parts polythiophene, 1-5 parts modified antistatic agent, 1-5 parts modified flame retardant, 1-3 parts toughening agent, 1-3 parts dispersant, and 1-3 parts lubricant. The modified antistatic agent, containing alkyl amide bonds, forms a conductive layer on the material surface, reducing resistivity. The pre-product enhances the material's hydrophilicity and accelerates charge transfer and dissipation. The modified flame retardant, containing diphenyl chlorophosphate, forms an expanded char layer during combustion, absorbing heat, diluting combustible gases, and isolating the flame. It synergistically strengthens the char layer with phosphorus and nitrogen flame retardants, significantly improving the material's flame retardant performance. The permanently antistatic PA composite material prepared by this invention not only has good antistatic effects but also excellent flame retardant effects.

Provided is a display device. A display device according to an exemplary embodiment of the present disclosure includes a display panel, a first polarizing plate disposed below the display panel, a second polarizing plate disposed on the display panel, and an antistatic film disposed between the display panel and the second polarizing plate, in which the antistatic film includes a silicon-based matrix, and a polythiophene-based compound and a carbon nanotube dispersed in the silicon-based matrix, and the carbon nanotube is a water-dispersible carbon nanotube. A display device according to the present disclosure includes, as a conductive material, an antistatic film containing a low-cost polythiophene-based compound and carbon nanotubes having excellent heat resistance, thereby providing an excellent electrostatic discharge effect as well as excellent high-temperature and high-humidity reliability.

The application discloses a high-capacity capacitor electrode material and a preparation method thereof, and relates to the technical field of capacitor electrode materials. In the preparation of the high-capacity capacitor electrode material, polyacrylonitrile, lignin, pitch, zinc acetate and acetylacetone iron are uniformly mixed to prepare a spinning solution, and a composite fiber filament is obtained through electrostatic spinning; the composite fiber filament is high-temperature carbonized to obtain a composite carbon nanofiber; polythiophene is polymerized and deposited on the composite carbon nanofiber to obtain a polythiophene modified composite carbon nanofiber; the polythiophene modified composite carbon nanofiber and poly(ethylene glycol) methacrylate are reacted to obtain a functionalized composite carbon nanofiber; the functionalized composite carbon nanofiber, acetylene black and a bonding agent are mixed and ground to obtain a mixed slurry, and the high-capacity capacitor electrode material is prepared by coating and drying the mixed slurry. The high-capacity capacitor electrode material obtained by the application has excellent electrochemical performance.

The present invention provides a conductive polymer composition with which it is possible to provide an electrolytic capacitor that is excellent in terms of low ESR characteristics. The conductive polymer composition contains: 0.01-10 mass% of a polythiophene (A) which contains at least one structural unit that is selected from the group consisting of a structural unit represented by general formula (1) and a structural unit represented by general formula (2); 0.001-10 mass% of a nanostructure material (B); 1-50 mass% of at least one substance (C) that is selected from the group consisting of polyglycerol and sugar alcohol; and a solvent.

The invention relates to a modified conductive agent and a manufacturing method thereof, and an all-solid-state battery and a preparation method thereof. The modified conductive agent comprises a conductive agent core and a conductive polymer coating layer coated on at least part of the surface of the conductive agent core, and the conductive polymer is selected from at least one of polyaniline, polypyrrole, polythiophene, polyacetylene, polystyrene and polyphenylene sulfide. The modified conductive agent effectively isolates direct contact between an electrolyte and the conductive agent, so that the interface stability between the conductive agent and a sulfide electrolyte is effectively enhanced, the rate capability of an all-solid-state battery using the modified conductive agent is obviously improved, and the cycling stability is enhanced.

The application discloses a synthesis method and application of an acridine orange-polythiophene fluorescent probe, and the structural formula of the fluorescent probe is shown in the following formula: wherein m is an integer of 5-30, and n=100-m.The main chain of the fluorescent probe is a cationic polythiophene, which can enter a cell nucleus and be combined with nucleic acid through electrostatic action; the side chain modified acridine orange enhances the fluorescence intensity of the polymer and is combined with nucleic acid by embedding; and the side chain modified quaternary ammonium salt can reduce cytotoxicity.The fluorescent probe has the advantages of good distinguishability, good chemical stability, small sample consumption and the like, and is a novel fluorescent probe for high-selectivity recognition and inhibition of ecDNA replication in cancer cells in a physiological system.

A display device is provided. An exemplary embodiment of the display device according to this disclosure includes a display panel, a first polarizing plate disposed beneath the display panel, a second polarizing plate disposed on the display panel, and an antistatic film disposed between the display panel and the second polarizing plate. The antistatic film comprises a silicon-based matrix and a polythiophene compound and carbon nanotubes dispersed in the silicon-based matrix, wherein the carbon nanotubes are water-dispersible carbon nanotubes. The display device according to this disclosure includes an antistatic film as a conductive material, the antistatic film comprising a low-cost polythiophene compound and carbon nanotubes with excellent heat resistance, thereby providing excellent electrostatic discharge performance and excellent high-temperature and high-humidity reliability.

A methane sensor includes a substrate, a conductive connection electrode, and a sensing electrode, the conductive connection electrode is arranged on the substrate, and the sensing electrode is covered on the conductive connection electrode, the sensing electrode is a layer of conductive polymer film, and the conductive connection electrode is coated with an insulating layer in addition to the sensing area. The sensing electrode adopts one of poly (3,4-ethylenedioxythiophene):poly (styrene sulfonic acid), polyaniline, polythiophene and polypyrrole, which is made into a film by a screen printing, inkjet printing or other coating method in the form of liquid or paste. The present invention adopts the above methane sensor, with a small and stable sensor, realizing sensitive and rapid detection of methane, and solving the problems of high power consumption of methane sensors in the prior art, high working temperature, expensive and bulky casing of the equipment, and high price.

The application discloses a kind of twelve-hole polyester staple fiber and preparation method thereof, it is related to polyester technical field.The application first 3-thiophene isocyanate is reacted with phenol to obtain thiophene group blocked isocyanate;Carbon nanotube is carboxylated with sulfuric acid and nitric acid, then reacted with 3-aminothiophene to obtain thiophene group carbon nanotube, thiophene, thiophene group blocked isocyanate is oxidized and polymerized on the surface of thiophene group carbon nanotube to obtain polythiophene carbon nanotube;N, N-dimethyl-n-octylamine is reacted with epichlorohydrin to obtain functional diol;Ethylene glycol, terephthalic acid, 2-vinyl terephthalic acid and functional diol are prepared into pre-modified polyester by polycondensation;Pre-modified polyester is reacted with methoxypolyethylene glycol mercapto to obtain modified polyester;Modified polyester and polythiophene carbon nanotube are melt spun to obtain finished fiber.The twelve-hole polyester staple fiber prepared by the application has the effects of antibacterial, moisture absorption, antistatic and good mechanical properties.

The invention relates to a preparation method of an electro-conductive silicone rubber material applied to robot touch hands, and belongs to the technical field of silicone rubber. The modifier is self-made, the modifier, siloxane and the conductive filler are blended to obtain the silicone rubber material applied to robot touch hand guidance, the modifier is a conductive polymer with a main chain being a polythiophene structure, and the conductive filler can be combined to improve the conductivity of the material; meanwhile, due to good flexibility and high oxidation stability, the material has excellent flexibility and electrochemical corrosion resistance, in addition, disulfide bonds in the modifier can achieve self-repairing of damaged parts through reversible fracture and recombination, and the performance is improved, so that the material has a good application prospect. The robot touch finger can bear repeated mechanical stress changes caused by operations such as touching and grabbing while achieving finer grabbing and interaction.

The application discloses a polythiophene conductive polymer, a positive electrode slurry, a positive electrode sheet, a preparation method of the positive electrode sheet, a battery cell, a battery and a power utilization device. The polythiophene conductive polymer comprises a first structural unit shown in formula (1) and at least one of a second structural unit shown in formula (2), a third structural unit shown in formula (3) and a fourth structural unit shown in formula (4).

A method for producing a positive electrode (10) with a current collector (12) and a positive active material (18) applied to the current collector (12) for a sodium ion battery or a potassium ion battery comprises a step in which the positive active material (18) is coated in solution with a coating (20) of a polythiophene. Furthermore, a positive electrode and a battery are specified.

This invention belongs to the field of polymer materials and discloses a graphene-modified high-conductivity PEI composite material and its preparation process. The composite material includes the following raw materials in parts by weight: 88-92 parts of PEI resin, 2-4 parts of modified graphene, 4-6 parts of modified carbon fiber, 0.5-1 parts of dispersant, and 1-2 parts of toughening agent. The modified graphene is prepared by grafting functionalized polyimide prepolymer onto the graphene surface, and hindered phenolic antioxidant groups are grafted onto the main chain or ends of the functionalized polyimide prepolymer. The modified carbon fiber is prepared by first modifying the surface of carbon fiber with a silane coupling agent, and then copolymerizing polythiophene monomer and flame retardant monomer in situ on the carbon fiber surface to form a composite conductive and flame-retardant layer. This invention uses low-viscosity PEI resin as the matrix, combined with modified graphene, modified carbon fiber, dispersant, and toughening agent to form a synergistic and complementary composite system, achieving comprehensive properties of high conductivity, high mechanical strength, high flame retardancy, high stability, and easy processing.

The invention discloses low-defect few-layer graphene water-based conductive paste and a preparation method and application thereof, and belongs to the technical field of conductive paste. The low-defect few-layer graphene water-based conductive paste comprises the following components in parts by weight: 1-3 parts by mass of low-defect few-layer graphene, 100 parts by mass of ultrapure water and 0.8-1.2 parts by mass of a conductive additive, the low-defect few-layer graphene is obtained by performing room-temperature intercalation on graphite powder, performing chemical expansion and performing water-phase stripping by adopting an aqueous solution of 5 '-adenine nucleotide salt, the conductive additive is amphiphilic polythiophene; the amphiphilic polythiophene is obtained by polymerizing 2, 5-dibromo-3-triethylene glycol monomethyl ether thiophene and 3-[10-(4-toluene ether) decyl] thiophene which are used as monomers and then treating by hydrogen bromide and anhydrous acetic anhydride; the low-defect few-layer graphene water-based conductive paste prepared by the invention has few graphene defects, good dispersity and excellent conductivity.

The application discloses an antistatic ink as well as a preparation method and application thereof. The ink can be used in antistatic adhesive tapes, electronic packaging films, protective films, release films or blister trays, and comprises carbon nanomaterials, a polythiophene conductive polymer and a solvent. The polythiophene conductive polymer is adsorbed on the surface of the carbon nanomaterials and forms a core-shell structure. The preparation method comprises the following steps: performing pre-dispersion treatment on the carbon nanomaterials, diluting the carbon nanomaterials, mixing the carbon nanomaterials with a water dispersion solution of the polythiophene conductive polymer, and obtaining the antistatic ink. The antistatic ink disclosed by the application has strong dispersion uniformity, no agglomeration, a smooth appearance after film formation, no defect mechanics, excellent durability, strong weathering stability, a simple preparation process and a wide application range.