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205 results about "Polythiophene" patented technology

Polythiophenes (PTs) are polymerized thiophenes, a sulfur heterocycle. They are white solids with the formula (C₄H₂S)ₙ for the parent PT. The rings are linked through the 2- and 5-positions. Poly(alkylthiophene)s have substituents at the 3- or 4-position. They are also white solids, but tend to be soluble in organic solvents.

Conjugated polythiophene-polyether-ether-ketone-based highly antibacterial coating and preparation method thereof

The invention relates to the technical field of polyether-ether-ketone composite materials, in particular to a conjugated polythiophene-polyether-ether-ketone-based high-antibacterial coating and a preparation method thereof.The preparation method comprises the steps that hydroxyl modified boron nitride with photocatalytic capacity and aminated PEEK are subjected to melt blending to generate chemical bonding, and a BN-OH / PEEK-NH2 composite fine powder material is formed; then carrying out oxidative polymerization on the BN-OH / PEEK-NH2 composite fine powder and a thiophene monomer under the action of an oxidizing agent, carrying out in-situ synthesis to obtain a polythiophene / BN-OH / PEEK-NH2 conjugated composite material, and subsequently spraying the polythiophene / BN-OH / PEEK-NH2 conjugated composite material to the surface of a base material to prepare a composite coating with excellent antibacterial property, high thermal stability and low friction coefficient; the antibacterial rate of the coating on escherichia coli and staphylococcus aureus under illumination reaches 90% or above, and the coating is suitable for the medical antibacterial field.
Owner:江苏君华特种高分子材料股份有限公司 +1

Electrochromic film, electrochromic device and preparation method thereof

The invention provides an electrochromic film, an electrochromic device and a preparation method of the electrochromic film, and relates to the technical field of electrochromic materials.The preparation method of the electrochromic film comprises the steps that a conjugated polymer is dissolved in a good solvent, and an electrochromic medium is obtained; preparing the electrochromic medium into an electrochromic film by adopting a spin coating method or a blade coating method; the electrochromic film is placed in a dopant solution to be doped, and the final electrochromic film is obtained. The invention provides a novel color changing mode of the polythiophene-based electrochromic film, and can improve the problem of poor bistable performance of the existing polythiophene-based electrochromic film.
Owner:JILIN UNIVERSITY +1

Double-microcapsule self-repairing waterborne polyurethane material and preparation method thereof

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.
Owner:XIDIAN UNIV

Preparation method of modified asphalt-based hard carbon microspheres for negative electrode of sodium-ion battery

The invention belongs to the technical field of sodium ion batteries, and relates to a preparation method of modified asphalt-based hard carbon microspheres for a negative electrode of a sodium ion battery. The preparation method comprises the following steps: (S1) oxidizing asphalt powder to obtain oxidized asphalt; (S2) modifying the oxidized asphalt by thienyl silane to obtain thienyl silane modified asphalt; (S3) adding the thienyl silane modified asphalt, thiophene aldehyde, an oxidant and a surfactant into water, and reacting at 40-65 DEG C for 5-8 hours; adding an acidic catalyst, and reacting at 80-95 DEG C for 3-6 hours to obtain modified asphalt microspheres; and (S4) sequentially carrying out low-temperature pre-carbonization and high-temperature carbonization on the modified asphalt microspheres to obtain the modified asphalt-based hard carbon microspheres for the negative electrode of the sodium-ion battery. According to the invention, asphalt is modified to obtain an asphalt-polythiophene precursor with a compact network structure, namely the modified asphalt microspheres, and the hard carbon microspheres formed by segmented carbonization have excellent electrochemical performance when being used as the negative electrode of the sodium-ion battery.
Owner:BEIJING UNIV OF CHEM TECH

Antistatic and antibacterial mixed fiber and preparation method thereof

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.
Owner:FAST FASHION (GUANGZHOU) CO LTD

Bio-based super-soft cool antibacterial knitted fabric and preparation method thereof

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.
Owner:ZHEJIANG SIRIS TECH CO LTD +1

Multiband electrochromic polymer, electrochromic film, electrochromic device and preparation method thereof

The invention provides a multiband electrochromic polymer, an electrochromic film, an electrochromic device and a preparation method of the multiband electrochromic polymer, and relates to the technical field of electrochromic materials.The preparation method of the electrochromic film comprises the steps that the multiband electrochromic polymer is dispersed in an organic solvent, and an electrochromic medium is obtained; preparing the electrochromic medium into an electrochromic film by adopting a spin coating method or a blade coating method; and the electrochromic film is placed in a dopant solution to be doped. The invention is beneficial to improving the defects of poor solubility and low optical contrast of the current polythiophene-based electrochromic molecule; and rhodamine electrochromic materials are poor in micromolecule film-forming property and easy to diffuse, and optical signal change is only limited to visible light band.
Owner:JILIN UNIVERSITY

Composite binder as well as pole piece and battery applying same

The invention provides a composite binder, and a pole piece and a battery using the same, the composite binder comprises a first binder, the first binder is a block polymer, and the first binder is prepared through a block reaction of polyvinylidene fluoride and a conjugated polymer; the conjugated polymer comprises at least one of polyacetylene and polythiophene; wherein the mass content of polyvinylidene fluoride used for preparing the first binder is 50-90%. The conjugated polymer and PVDF are subjected to a block reaction to obtain the first binder, and the first binder has good binding performance, ionic conductivity and electronic conductivity.
Owner:EVE ENERGY CO LTD

Conductive backboard, preparation method thereof and photovoltaic module

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.
Owner:HANGZHOU FIRST APPLIED MATERIAL CO LTD

Permanent antistatic PA composite material and preparation method thereof

ActiveCN120504956ACarbon layerPolymer science
The invention relates to a permanent antistatic PA composite material and a preparation method thereof, and belongs to the technical field of high polymer materials. The permanent antistatic PA composite material comprises the following components in parts by weight: 70-90 parts of PA resin, 30-60 parts of polyethylene, 5-15 parts of polythiophene, 1-5 parts of a modified antistatic agent, 1-5 parts of a modified flame retardant, 1-3 parts of a flexibilizer, 1-3 parts of a dispersant and 1-3 parts of a lubricant, a compound containing an alkanolamide bond in the modified antistatic agent forms a conductive layer on the surface of the material, the resistivity is reduced, and the pre-product enhances the hydrophilicity of the material and accelerates the transfer and dissipation of charges; diphenyl chlorophosphate in the modified flame retardant forms an expanded carbon layer in the combustion process, absorbs heat, dilutes combustible gas and isolates flames, and cooperates with the phosphorus-nitrogen flame retardant to reinforce the carbon layer, so that the flame retardant property of the material is remarkably improved; the permanent antistatic PA composite material prepared by the invention not only has a good antistatic effect, but also has an excellent flame retardant effect.
Owner:JIANGXI PLASTIC HIGH-TECH MATERIALS CO LTD

A dual microcapsule self-repairing waterborne polyurethane material and a preparation method thereof

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.
Owner:XIDIAN UNIV

Conductive polymer composition containing carbon nanotubes, and conductive polymer film

To provide a conductive polymer film remarkably excellent in electrical conductivity and a conductive polymer composition for providing the conductive polymer film.SOLUTION: The conductive polymer composition is used which contains 0.01-5 mass% of a specific polythiophene (A) and 0.016-0.5 mass% of carbon nanotubes (B). The polythiophene (A) can be produced by polymerizing a thiophene monomer represented by the following general formula (3) in water or an alcohol solvent in the presence of an oxidizing agent, and subsequently performing acid treatment if necessary.SELECTED DRAWING: None
Owner:TOSOH CORP

Twelve-hole polyester staple fiber and preparation method thereof

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.
Owner:江苏海科纤维有限公司 +2

A preparation method of a sulfonated polythiophene modified nitrogen-doped honeycomb carbon and Co9S8 composite microsphere integrated flow electrode

PendingCN122324937ACapacitanceFreeze-drying
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.
Owner:EAST CHINA UNIV OF TECH +1

Silicon-carbon material, preparation method and application thereof

PendingCN122348195ACarbon layerPolymer science
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.
Owner:SHANGHAI HOOSUN INTELLIGENT TECH CO LTD +1

Modified spherical graphite negative electrode material and preparation method and application thereof

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.
Owner:QINGDAO CHEN YANG GRAPHITE CO LTD

Cu with plasmonic effect 2-x S / carbon / MnO2 / attapulgite composite catalyst and application thereof

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.
Owner:CHANGZHOU UNIV

A method for preparing a polythiophene-based conjugated polymer

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.
Owner:SHANGHAI UNIV +1

PEDOT dispersions with low power index N

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.
Owner:HERAEUS EPURIO GMBH

PEDOT dispersion with a high power of force N

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.
Owner:HERAEUS EPURIO GMBH

Electrode with protected edge area

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).
Owner:HERAEUS MEDEVIO GMBH & CO KG

PEDOT dispersions with high power index N

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.
Owner:HERAEUS EPURIO GMBH

Photoresist composition and method of forming photoresist pattern

A photoresist composition includes a conjugated resist additive, a photoactive compound, and a polymer resin. The conjugated resist additive is one or more selected from the group consisting of a polyacetylene, a polythiophene, a polyphenylenevinylene, a polyfluorene, a polypryrrole, a polyphenylene, and a polyaniline. The polyacetylene, polythiophene, polyphenylenevinylene, polyfluorene, polypryrrole, the polyphenylene, and polyaniline includes a substituent selected from the group consisting of an alkyl group, an ether group, an ester group, an alkene group, an aromatic group, an anthracene group, an alcohol group, an amine group, a carboxylic acid group, and an amide group. Another photoresist composition includes a polymer resin having a conjugated moiety and a photoactive compound. The conjugated moiety is one or more selected from the group consisting of a polyacetylene, a polythiophene, a polyphenylenevinylene, a polyfluorene, a polypryrrole, a polyphenylene, and a polyaniline.
Owner:TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

Novel polythiophene / polyanion compositions

A polythiophene / polyanion composition comprising: i) an oligo- or polythiophene obtained by the polymerization of a monomer according to Formula (I), and wherein A represents a substituted or unsubstituted C1 to C5 alkylene bridge, ii) a polyanion obtained by the polymerization of at least one monomer according to Formula (II), wherein R1 is selected from the group consisting of hydrogen, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted alkaryl group and a substituted or unsubstituted aryl or heteroaryl group; K is selected from the group consisting of a substituted or unsubstituted alkylene group, an ether group, an ester group, a substituted or unsubstituted amide group, a substituted or unsubstituted alkenylene group, a substituted or unsubstituted alkynylene group, a substituted or unsubstituted aralkylene group, a substituted or unsubstituted alkarylene group and a substituted or unsubstituted arylene or heteroarylene group; L is selected from the group consisting of a substituted or unsubstituted alkylene group, a substituted or unsubstituted alkenylene group, an amine group, an ether group, a thioether group, a substituted or unsubstituted alkynylene group, a substituted or unsubstituted aralkylene group, a substituted or unsubstituted alkarylene group and a substituted or unsubstituted arylene or heteroarylene group; R2 and R3 are independently selected from the group consisting of hydrogen and a substituted or unsubstituted alkyl group; m represents 0 or 1; n is an integer from 1 to 10 000; and wherein the amount of monomer according to Formula (II) in the polyanion is from 0.1 to 20 mol %, relative to the total amount of monomers.
Owner:AGFA GEVAERT NV

Antistatic PA composite material and preparation method thereof

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.
Owner:JIANGXI PLASTIC HIGH-TECH MATERIALS CO LTD

Display device

PendingUS20260186353A1Display deviceEngineering
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.
Owner:LG DISPLAY CO LTD

A high-capacity capacitor electrode material and a method for preparing the same

PendingCN122393141ASpinningPolyethylene glycol
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.
Owner:SHENZHEN LIRON ELECTRONICS CO LTD

Method for forming an ultra-high voltage solid electrolytic capacitor

A method of forming an ultra-high voltage solid electrolytic capacitor element (33), the method comprising: anodically oxidizing a sintered porous anode body at a forming voltage of 300 volts to 380 volts and a temperature of 25°C to 50°C to form an anode including a dielectric coating on the anode body, the anode body being formed from a powder containing tantalum, niobium, or an electrically conductive oxide thereof; and Applying a dispersion of conductive polymer particles to the anode to form a solid electrolyte, wherein the conductive polymer particles contain a substituted polythiophene.
Owner:KYOCERA AVX COMPONENTS CORP

Conductive polymer composition and uses of same

PCT designated stageWO2025211104A1Organic conductorsPolymer scienceAlcohol sugars
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.
Owner:TOSOH CORP

Antibacterial anti-static turnover tray and preparation process

The invention discloses an antibacterial and anti-static turnover tray which is formed by compounding a base layer, an antibacterial and anti-static functional layer and a surface protective coating, each layer is composed of the following materials in parts by mass; the base layer material is prepared from 80 to 100 parts of modified high-density polyethylene; the antibacterial and antistatic functional layer is prepared from the following materials in parts by weight: 30-40 parts of polystyrene-butadiene-styrene block copolymer, 10-15 parts of silver-loaded zeolite antibacterial agent, 5-8 parts of polythiophene conductive polymer, 5-8 parts of compatibilizer and 1-2 parts of calcium stearate lubricant; the surface protection coating material is prepared from 20 to 30 parts of waterborne polyurethane emulsion. The formula is improved, and the silver-loaded zeolite antibacterial agent and the polythiophene conductive polymer are introduced, so that the turnover tray is good in durability and has antibacterial and antistatic functions.
Owner:SUZHOU STONE TECH CO LTD