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36
resultados
Última actualización
02/01/2025 [07:21:00]
Resumen de: EP4484034A1
The present invention is directed to a novel sintering method for obtaining nanostructured conductive metal nanoparticle films on different substrates which is suitable for room-temperatures conditions.The invention is also directed to a nanostructured conductive metal nanoparticle film obtainable by said sintering method, as well as their uses for electrochemical and/or photonic biosensing in, for example, flexible electronics.
Resumen de: CN118715275A
A battery comprises a first electrode for use as an anode and a second electrode for use as a cathode, the second electrode comprising at least one polymeric binder, an electrically conductive carbon-based material, and a composite of polyaniline and graphene-based material as an active material. An insulating separator material is disposed between the first electrode and the second electrode, which supports the transport of lithium ions. The battery also includes an electrolyte consisting of at least one aprotic solvent and at least one lithium salt soluble in the at least one aprotic solvent.
Resumen de: EP4481838A1
There is provided an aqueous coating liquid having excellent storage stability and capable of forming a coating film with excellent water resistance. The aqueous coating liquid is an aqueous coating liquid for forming a coating film to be provided between a collector and an active material layer in an electrode for an electricity storage apparatus. This aqueous coating liquid contains: a water-based medium containing water; at least one polyvinyl alcohol (PVA)-based resin selected from the group consisting of unmodified polyvinyl alcohols and modified polyvinyl alcohols; an electrically conductive material; and 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTC). In addition, the aqueous coating liquid satisfies a condition that the aqueous coating liquid is free of polyacrylic acid, or that even when the aqueous coating liquid contains polyacrylic acid, the content of polyacrylic acid is less than 9% by mass based on the total mass of the aqueous coating liquid. Further, the ratio of the content of the PVA-based resin in the aqueous coating liquid to the content of PBTC in the aqueous coating liquid is 2 to 100.
Resumen de: US2024417367A1
Disclosed herein are embodiments of methods for preparing aminated or alkylaminated CNTs wherein the aminated or alkylaminated CNTs are obtained in a reaction by reacting the CNTs with an aminating or alkylaminating reagent in a non-hazardous solvent or a non-hazardous solvent-deionized water mixture. The CNTs may be single-walled, double-walled or multi-walled CNTs. The disclosed processes for amination and alkylamination do not require treatment with concentrated acid, and with the use of solvent, the CNTs and aminating compound or alkylaminating compound are mixed thoroughly throughout the reaction.
Resumen de: US2024417532A1
A conductive resin composition contains (a) tin powder, (b) epoxy resin, and (c) organic acid compound, and satisfies requirement (A) and/or requirement (B): (A) the content of the (a) tin powder, relative to the total amount, 100% by mass, of the (a) tin powder, (b) epoxy resin, and (c) organic acid compound, is 90.1% by mass or higher; and/or (B) (d) curing agent is contained, and (d) curing agent includes one or more types selected from (d1) acid anhydride-based curing agents, (d2) thiol-based curing agents and (d3) phenol-based curing agents. The conductive resin composition is intended to demonstrate good conductivity and excellent adhesion with respect to various types of base materials and to be useful as conductive inks, conductive adhesives, circuit connection materials, etc.
Resumen de: US2024417574A1
An antistatic release film, comprising a substrate layer, an antistatic coating, and a release agent coating. The antistatic coating is located between the release agent coating and the substrate layer; the antistatic coating is obtained by drying a coating liquid; and the coating liquid is composed of the following components in parts by weight: 100 parts of polyurethane resin, 40-60 parts of polyvinyl alcohol, 2-4 parts of sodium octyl sulfate, 1-3 parts of N-ethyl-N—(3-sulfopropyl)-3-methylaniline sodium salt, 8-12 parts of dibutyl sebacate, 40-60 parts of n-butanol, 20-30 parts of isobutyl acetate, 0.8-1.5 parts of hydroxyethyl cellulose, 0.3-0.8 part pf 3-acetylbenzoic acid, 0.2-0.8 part of triethylenetetramine, 0.5-1.2 parts of a silane coupling agent, 0.5-1 part of an antioxidant, and 0.6-2 parts of a leveling agent. The antistatic release film enables the surface resistance of the antistatic coating in the antistatic release film to be almost unchanged after 200 days, thereby improving the performance reliability of the antistatic release film.
Resumen de: US2024417581A1
Disclosed in the present specification are a two-dimensional MXene surface-modified with a metal-organic network, a method of preparing the same, a MXene organic ink containing the same, and uses (e.g., an electromagnetic wave shielding material). In one aspect, the two-dimensional MXene surface-modified with a metal-organic network according to the present invention can use various organic ligands by linking the surface with the organic through the metal, and can be stably dispersed in various organic solvents, especially in industrial non-polar organic solvents as well as polar organic solvents, thereby being applied to a more general-purpose technologies, and securing stability against chemical oxidation to improve long-term stability.
Resumen de: US2024417582A1
An electrically conductive, crosslinking silicone elastomer composition is provided including carbon black in an amount of 0.5% to 3.0%, wherein the carbon black has a BET surface area of at most 300 m2/g. The electrically conductive, crosslinking silicone elastomer composition further includes carbon nanotubes (CNTs) in an amount of 0.1% to 3.0% by weight. The electrically conductive, crosslinking silicone elastomer composition does not include any solvent.
Resumen de: WO2024255710A1
Provided in the present application are a conductive polymer precursor solution, a conductive polymer film, a preparation method and the use. The conductive polymer precursor solution comprises a main solvent, an Fe3+ oxidant, a chelating agent and a thiophene monomer, wherein the chelating agent comprises at least one of a diketone compound, a hydroxycarboxylic acid compound and a nitrogen-containing heterocyclic compound. The conductive polymer precursor solution of the present application has good stability, and is friendly in terms of operation and makes it convenient to form a flat and uniform conductive polymer film.
Resumen de: CN118284658A
The invention relates to a polyester release film and a manufacturing method thereof. According to the present invention, the polyester release film can have excellent peeling performance and coating processability, excellent antistatic performance, and a significantly low friction electrostatic voltage of less than 50 V, can prevent static electricity from being generated during operation and winding of the film, and can significantly reduce the amount of air or foreign matter introduced due to static electricity.
Resumen de: US2024404862A1
A ceramic substrate includes a base, and a conductor pattern incorporated in the base. The base is a ceramic, and the conductor pattern includes, as a main component, a solid solution of a body-centered cubic lattice structure in which nickel and manganese are solid solved in tungsten, a solid solution of a body-centered cubic lattice structure in which nickel and niobium are solid solved in tungsten, or a solid solution of a body-centered cubic lattice structure in which nickel and indium are solid solved in tungsten.
Resumen de: DE102023120218B3
Verfahren zum Drucken einer flexiblen Schaltung mittels einer modifizierten Tinte mit Silbernanopartikeln auf ein flexibles Substrat, gekennzeichnet durch die folgenden Schritte: Bereitstellen (11) einer Basistinte, die eine Tinte auf Ethanolbasis mit Silbernanopartikeln mit einer Viskosität von über 15 cP bei 25 °C ist; Herrichten (12) einer Mischung aus Ethanol und Polyvinylpyrrolidon (PVP), wobei die Menge an Ethanol so gewählt wird, dass die Viskosität der mit der Mischung vermischten Basistinte auf nicht mehr als 7 cP bei 25 °C reduziert wird und das PVP in einer Menge von 0,5 bis 1 Gew.-%, bezogen auf die Silber-Nanopartikel in der Basistinte, verwendet wird; Mischen (13) der Basistinte mit einer Mischung aus Ethanol und Polyvinylpyrrolidon (PVP), um eine modifizierte Tinte zu erhalten; Drucken (14) von Elementen der flexiblen Schaltung auf das flexible Substrat mittels der modifizierten Tinte; Sintern (15) der gedruckten Elemente bei einer Temperatur zwischen 55 und 150 °C.
Resumen de: US2024404862A1
A ceramic substrate includes a base, and a conductor pattern incorporated in the base. The base is a ceramic, and the conductor pattern includes, as a main component, a solid solution of a body-centered cubic lattice structure in which nickel and manganese are solid solved in tungsten, a solid solution of a body-centered cubic lattice structure in which nickel and niobium are solid solved in tungsten, or a solid solution of a body-centered cubic lattice structure in which nickel and indium are solid solved in tungsten.
Resumen de: WO2024251526A1
The present invention relates to an electrically conductive ink comprising a) silver platelets, b) a solvent, and c) a chloride free resin having a molecular weight of less than 50000 g/mol, wherein the molecular weight is measured with gel permeation chromatography (GPC) using polystyrene calibration standards according to ASTM 3536. The ink is suitable for use in printed electronics applications.
Resumen de: US2024409413A1
There is provided a carbon material dispersion in which a carbon material containing a carbon nanotube is dispersed favorably without substantially producing a coarse aggregate irrespective of liquid compositions and dispersion methods, the carbon material dispersion excellent in viscosity stability. The carbon material dispersion excluding one that contains a volatile salt contains: a carbon material containing a carbon nanotube; a liquid medium; and a dispersant. The content of the dispersant in terms of solid content based on 100 parts by mass of the carbon material is 204 parts by mass or less, and when a dilute dispersion is obtained by diluting the carbon material dispersion with a diluent comprising the liquid medium such that absorbance at a wavelength WM, which is a median value of an arbitrary wavelength WL within a range of 350 to 550 nm and an arbitrary wavelength WH within a range of 650 to 850 nm, is 1.8±0.02, a ratio of absorbance AL at the wavelength WL to absorbance AH at the wavelength WH, (AL/AH), is 1.60 or more for the dilute dispersion.
Resumen de: US2024410056A1
A method for applying a metallic coating to a surface of a substrate, in particular for producing conductor tracks includes applying ink to a location to be coated of the surface, the ink including at least one metal salt of an organic acid or a mixture of such salts, and decomposing the ink by supplying energy to the ink, thereby generating the metallic coating from the metal salt or the metal salts, the metallic coating adhering to the surface at the location to be coated.
Resumen de: US2024408672A1
A concentrated dispersion of nanometric silver particles, and a method of producing the dispersion, the dispersion including a first solvent; a plurality of nanometric silver particles, in which a majority are single-crystal silver particles, the plurality of nanometric silver particles having an average secondary particle size (d50) within a range of 30 to 300 nanometers, the particles disposed within the solvent; and at least one dispersant; wherein a concentration of the silver particles within the dispersion is within a range of 30% to 75%, by weight, and wherein a concentration of the dispersant is within a range of 0.2% to 30% of the concentration of the silver particles, by weight.
Resumen de: US2024409757A1
In one aspect, microporous membranes are described herein demonstrating composite architectures and properties suitable for electronic and/or optical applications. In some embodiments, a composite membrane described herein includes a microporous polymeric matrix or substrate having an interconnected pore structure and an index of refraction and an electrically conductive coating deposited over one or more surfaces of the microporous polymeric matrix. In other embodiments, the pores are filled and the membranes are substantially transparent.
Resumen de: US2024409756A1
The present invention provides a binder for a secondary battery electrode, capable of improving toughness of a binder coating film after immersion in an electrolytic solution, electrolytic solution resistance of a secondary battery electrode mixture layer, and cycle characteristics of a secondary battery. The binder for the secondary battery electrode, the binder containing a carboxyl group-containing polymer or a salt thereof, in which the carboxyl group-containing polymer contains 15 mass % or more and 99.9 mass % or less of a structural unit derived from an ethylenically unsaturated carboxylic acid monomer and 0.1 mass % or more and 85 mass % or less of a structural unit derived from a keto group-containing ethylenically unsaturated monomer relative to all the structural units, and at least a part of the keto group is a functional group used to form a chemical bond with a compound having reactivity with the keto group.
Resumen de: US2024409414A1
There is provided a method for producing a carbon material dispersion, which makes it possible to simply produce a dispersion in which a carbon material containing a carbon nanotube is dispersed favorably without substantially producing a coarse aggregate, the dispersion excellent in viscosity stability. The method is a method for producing a carbon material dispersion, the method including a step (1) of subjecting a raw material containing: a carbon material containing a carbon nanotube; a dispersant; and a liquid medium to a stirring treatment to obtain a wetted mixture, and a step (2) of subjecting the wetted mixture to a dispersion treatment using a high-pressure homogenizer, wherein the high-pressure homogenizer is at least any one of a high-pressure homogenizer (A1) employing a system of allowing the wetted mixtures jetted by pressurization to collide with each other to form fine particles and a high-pressure homogenizer (A2) employing a system of introducing the wetted mixture pressurized into a collision chamber to form fine particles, and a two-stage dispersion treatment in which the inner diameter of the ejection nozzle and the treatment pressure are changed is performed.
Resumen de: JP2024173262A
【課題】保存中の粘度上昇が低減され、乾燥硬化後の導電性も良好な導電性高分子分散液の製造方法、コーティング組成物の製造方法及び導電性積層体の製造方法を提供する。【解決手段】水溶媒と、チオフェン系化合物と、ポリアニオンとを含む反応液中で前記チオフェン系化合物を重合させ、ポリチオフェン系導電性高分子と前記ポリアニオンと、水とを含む導電性高分子分散液を製造する方法であって、前記重合を二酸化炭素雰囲気下で行う、導電性高分子分散液の製造方法。【選択図】なし
Resumen de: JP2024173261A
【課題】保存中の粘度上昇が低減され、乾燥硬化後の導電性も良好な導電性高分子分散液の製造方法、コーティング組成物の製造方法及び導電性積層体の製造方法を提供する。【解決手段】ポリチオフェン系導電性高分子及びポリアニオンを含む導電性複合体と、水を含有する導電性高分子分散液を製造する方法であり、第一の重合工程と第二の重合工程を有し、第一の重合工程は、第一の酸化剤である過硫酸塩化合物を含む第一反応液を調製し、ポリアニオン存在下でチオフェン系化合物の一部を重合させ、前記ポリチオフェン系導電性高分子を形成する工程であり、第二の重合工程は、第一の重合工程で得たポリチオフェン系導電性高分子を含む第一反応液に、第一の酸化剤とは異なる第二の酸化剤を添加し、第二反応液を得て、第二反応液中に残存する前記チオフェン系化合物を重合させ、ポリチオフェン系導電性高分子を形成する工程である。【選択図】なし
Resumen de: EP4474355A1
A modified metal oxide particle sol, when applied as a coating onto a substrate, is capable of having transparency, a high particle refractive index and good coat resistivity. The modified metal oxide particle sol is composed of modified metal oxide particles (iii) in which stannic oxide particles (i) having an average primary particle size of 4 to 50 nm serve as cores and are coated with metal oxide particles (ii) of at least one metal oxide selected from the group consisting of antimony oxide, stannic oxide and silicon oxide and having an average primary particle size of 1 to 10 nm, which modified metal oxide particles (iii) are dispersed in an organic solvent. The average primary particle size of the core particles (i) and the average primary particle size of the coating particles (ii) satisfy the relationshipsizeofcoreparticles(i)≥sizeofcoatingparticles(ii), the ratio (total weight of metal oxides other than stannic oxide)/(weight of stannic oxide) is from 0.005 to 1.0, and the sol includes an amine (a) having a water solubility of 0.1 g/L or more and an amine (b) having a water solubility of less than 0.1 g/L.
Resumen de: MX2024006442A
A method including depositing a lead halide precursor ink onto a substrate; drying the lead halide precursor ink to form a first thin film; annealing the first thin film; and forming a perovskite material layer, wherein forming the perovskite material layer includes: depositing a benzylammonium halide precursor ink onto the first thin film; drying the benzylammonium halide precursor ink; depositing a formamidinium halide precursor ink onto the benzylammonium halide precursor ink; drying the formamidinium halide precursor ink to form a second thin film; and annealing the second thin film.
Nº publicación: EP4473067A1 11/12/2024
Solicitante:
ARKEMA FRANCE [FR]
ARKEMA FRANCE
Resumen de: WO2023148155A1
The present application deals with a composition comprising: a fluorinated polymer comprising repeating units derived from vinylidene fluoride and trifluoroethylene, the fluorinated polymer having a melt flow index as measured according to ASTM D1238-20 at 230°C under a load of 10 kg of: 6 g/10 min to 16 g/10 min, and a liquid vehicle having Hansen solubility parameters (δd; δp; δh) so that (Ra)2 ≤ 22, wherein Ra is defined by the following equation: (Ra)2 = 4 · (δd - 17,1)2 + (δp - 12,6)2 + (δh - 10,6)2 (eq. 1).
BOPI
Sede Electrónica
