79 results about "Polythiophene" patented technology

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 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 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).

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 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 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 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.

The present invention provides a composition for molding a conductive article having high conductivity. The present invention provides a composition for molding a conductive article comprising a polythiophene compound represented by general formula (A), ammonia, and an amine compound. A method of forming an electrically conductive article using the composition is also provided. In general formula (A), L represents an alkylene group or the like. M1 and M2 are each independently an alkyl group or a hydrogen atom. R1A represents a hydrogen atom, an alkyl group, an alkoxy group, an acyl group, or a group represented by formula (15). L1, M1c and M2c are the same as L, M1 and M2 respectively.

The invention relates to the technical field of research and development of tumor photodynamic therapy photosensitizers, photothermal therapy photothermal reagents and sonodynamic therapy sonosensitizers, and provides a preparation method and application of a binuclear metal complex of a polythiophene bridging ligand. The invention relates to a ruthenium complex TBLRu3a-TBLRu6a and a ruthenium complex TBLRu3b-TBLRu6b of a polythiophene bridged tri-bidentate ligand, a ruthenium complex TTLRu1-TTLRu12 of a polythiophene bridged bis-tridentate ligand, and an osmium complex TTLOs1-TTLOs6 of a polythiophene bridged bis-tridentate ligand, which are respectively designed and invented by the invention. The invention further relates to a preparation method of the ruthenium complex TBLRu3a-TBLRu6a and the ruthenium complex TBLRu3b-TBLRu6b of the polythiophene bridged tri-bidentate ligand and a preparation method of the ruthenium complex TTLRu1-TTLRu12 of the polythiophene bridged bis-tridentate ligand. The polythiophene bridged metal complex has extremely high stability and excellent two-photon absorption characteristic, has excellent biotoxicity and photothermal conversion capability under the action of infrared exciting light, and can induce A549R cell apoptosis. The polythiophene bridged metal complex provided by the invention is a potential novel two-photon absorption photodynamic therapy photosensitizer, a photothermal therapy photothermal reagent and a sonodynamic therapy sonosensitizer, and has a wide application prospect in photodynamic therapy, photothermal therapy and sonodynamic therapy of tumors.

The application belongs to the technical field of battery materials, and discloses an organic conjugated polymer, a preparation method thereof and a zinc ion battery. The organic conjugated polymer comprises a main chain and a side chain. The main chain comprises a sulfur-containing polythiophene structure, and the side chain comprises a glycol structure. The organic conjugated polymer can protect the zinc anode by adjusting zinc deposition, inhibiting zinc dendrite growth and inhibiting adverse side reactions, so as to improve the electrochemical performance of the aqueous rechargeable zinc ion battery.

The application relates to a preparation method of element-doped double-layer porous carbon based on in-situ polymerization, which comprises the following steps: oxidation, porous carbon modification, in-situ polymerization and carbonization. The in-situ polymerization is as follows: after oxidation and porous carbon modification, a thiophene-based silane modified porous carbon is obtained, and a copolymerization reaction is performed between the thiophene-based silane modified porous carbon and a thiophene monomer, so that polythiophene is in-situ grafted on the surface of the porous carbon to form a porous carbon / polythiophene composite material. Finally, after carbonization, the polythiophene forms an amorphous carbon layer which is uniformly and stably coated on the surface of the porous carbon to form double-layer porous carbon; and at the same time, a layer of organic silicon network film is formed in the structure, the bond energy of Si-O bonds is high, and the stability is good, finally, double-layer porous carbon which is stable in structure, resistant to chemical corrosion and has complete pore structure is obtained. The double-layer porous carbon does not need to be activated, and can directly perform gas phase deposition of silicon and carbon coating to prepare a silicon-carbon negative electrode; the first reversible capacity of a lithium battery assembled by using the double-layer porous carbon is above 1750 mAh / g, and the discharge capacity retention rate after 100 cycles can still reach above 94%.

This invention discloses a β-crystalline polypropylene composite material and its preparation method. The β-crystalline polypropylene composite material includes the following raw materials: polypropylene and polythiophene. By adding polythiophene to polypropylene, this invention can induce polypropylene to form more β-crystalline polypropylene. Polythiophene has high induction efficiency and low addition amount, which solves the problem of poor nucleation induction efficiency of polymer-type nucleating agents.

The invention discloses a graded sintering preparation method of silver powder with a core-shell structure, which comprises the following steps: S1, preparing multi-stage silver seed crystals, namely preparing silver seed crystals with three characteristic particle sizes step by step by adopting a differential liquid phase reduction method, namely first-stage seed crystals of 80nm, second-stage seed crystals of 150nm and third-stage seed crystals of 300nm; s2, gradient coating sintering: mixing the three stages of seed crystals according to a mass ratio of 3: 5: 2, and carrying out segmented treatment in nitrogen-hydrogen mixed gas; and S3, surface conductive treatment is conducted, specifically, polythiophene with the molecular weight being 8000-12000 Da is dissolved in a 0.5 wt% ethanol solution and stirred for 30 min, then ZnO nanoparticles with the doping concentration being 0.3 wt% are added, high-speed shearing dispersion is conducted for 60 min, it is ensured that the coverage rate is larger than or equal to 85%, a mixed solution is obtained, finally, the silver powder obtained in the step S2 is soaked in the mixed solution, ultrasonic dispersion is conducted for 10 min, and the surface activated silver powder is obtained after drying.

The present invention relates to the technical field of photoelectric devices, and discloses a cyano-containing polythiophene-based conductive polymer, a preparation method therefor and a use thereof. In the present invention, a cyano group with an aromatic bridge is introduced into a polythiophene-based conjugated backbone, and by controlling the bandgap of thieno[3,2-b]thiophene, changing the conjugation length and modifying the steric hindrance, the bottleneck of poor polymerizability in nitrile materials has been overcome, and preparation methods therefor are simple and controllable; moreover, the conductive polymer has excellent electrochemical energy storage and photoelectric properties, promotes the rapid processing and preparation of conductive polymer-based electrode materials and energy-storage applications thereof, and is a photoelectric device material having excellent performance.

The invention discloses an oxide solid electrolyte and a preparation method thereof, and relates to the technical field of solid electrolyte preparation, and the oxide solid electrolyte is obtained by coating the surface of a reaction product 1, namely an electrolyte wafer, with a polythiophene product containing triazine, morpholine and charcoal and then drying. The oxide solid electrolyte provided by the invention has good ionic conductivity and dendrite growth inhibition capability, and is beneficial to good cycle performance and safety in a battery operation process.

A cleaning device for clamps in a lithography apparatus includes a substrate having a front surface and a back surface opposite to the front surface, and a conductive layer provided on the front surface of the substrate. The conductive layer is configured to contact the clamp to dissipate the charge on the clamp and remove particles on the clamp via an electrostatic field generated between the conductive layer and the clamp. The conductive layer may include a conductive polymer. The conductive polymer may have a conductivity of at least about 1 S / cm. The conductivity of the conductive polymer is variable and can be adjusted to a desired value. The conductive polymer may include polyaniline, poly(p-phenylene), polythiophene, polypyrrole, poly(p-phenylene vinylene), trans-polyacetylene, combinations thereof, or derivatives thereof (e.g., polymer blends, copolymers, graft polymers, surface modifiers, surface treatment agents, additives, and / or fillers).

The application belongs to the technical field of organic chemical synthesis, and particularly relates to 2,5-dichloro-3-methoxythiophene, a preparation method and application thereof. The 2,5-dichloro-3-methoxythiophene provided by the application is designed by 2,5-position double chloro substitution and 3-position methoxy, which not only retains the advantages of high reactivity and low cost of chlorine atoms, but also is safe, environmentally friendly and economical through the space steric hindrance and electronic effect regulation of the substitution site, and can be used for preparing polythiophene.

The application provides a graphene conductive slurry premix, a preparation method and application thereof. The premix comprises graphene and poly(3-thiophene propenoic acid); the preparation method comprises the following steps: mixing graphene, poly(3-thiophene propenoic acid) and a solvent, stirring under low pressure, and then performing high-pressure shearing to obtain the premix. In the application, the graphene conductive slurry premix is modified by poly(3-thiophene propenoic acid), the water solubility of graphene is improved, the viscosity is high, the stability is good, and the conductivity of the conductive slurry is improved.

The invention discloses a regeneration method of a waste ternary battery positive electrode material, and relates to the field of battery materials. When the positive electrode material of the waste ternary battery is regenerated, the ternary lithium ion battery is discharged, disassembled, degummed, roasted, washed with alkali, supplemented with lithium and crushed, polythiophene is polymerized on the surface of the ternary lithium ion battery, then the ternary lithium ion battery reacts with 2, 6-di-tert-butyl-4-bromomethylphenol and (1-methyl-imidazole-5-yl) methylamine in sequence, and a functionalized regenerated ternary material is prepared; the preparation method comprises the following steps: polymerizing 3-aminopropyl dimethyl methoxy silane, dimethyl dimethoxy silane and methyl dimethoxy silane, then reacting with 4-vinyl phenylboronic acid, and finally reacting with 4, 4 '-diphenylboronic acid to obtain a finished product. The regenerated ternary battery positive electrode material is prepared by polymerizing 4, 4 '-diaminodiphenyl ether, 3, 3'-dihydroxybenzidine and hexafluorodianhydride, mixing with carbon black and the functionalized regenerated ternary material, coating the surface of an aluminum foil with the mixture, and drying. The regenerated ternary battery positive electrode material has good cycle stability, durability and self-repairing performance.

The invention belongs to the technical field of organic semiconductor materials, and particularly relates to a synthesis method, application and preparation method of a poly-bithiophene type organic mixed ion-electron conductor, and the method comprises the following steps: in inert gas, carrying out Stille coupling reaction on a compound A and a compound B or a compound A and a compound C in an organic solvent by using a palladium catalyst to obtain the poly-bithiophene type organic mixed ion-electron conductor. The poly-bithiophene type organic mixed ion-electron conductor is obtained. A polyethylene glycol side chain is introduced to a bithiophene unit, so that the solubility of polymer molecules can be improved, the swelling capacity of the molecules can be enhanced, and the transmission of hydrated ions in a channel is facilitated. Due to the large conjugated structure and electron-rich characteristic of the bithiophene monomer, the polymer shows good P-type characteristic and high carrier mobility. The organic mixed ion-electron conductor can be used as a channel active material to be applied to an organic semiconductor layer of an organic electrochemical transistor, and has very excellent performance.