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49
resultados
Última actualización
14/03/2025 [07:37:00]
Resumen de: US2025087911A1
An electrical assembly includes a metallic component having a bottom portion that is buried in the earth, a top portion that is above the earth, and an outer surface. A water-impermeable electrically-conductive covering is applied to the outer surface at the bottom portion and is in electrical contact with the earth. The covering includes a water-impermeable polymeric matrix that protects the metallic component from corrosion, and a particulate carbonaceous material that is dispersed in the polymeric matrix and that allows for the metallic component to be electrically grounded.
Resumen de: TW202344627A
Conductive ink compositions comprising gold complexes are provided. Also provided are methods of preparing the conductive ink compositions, methods of forming conductive structures from the conductive ink compositions, and structures formed from the conductive ink compositions. The conductive ink compositions preferably comprise a gold metal, an alkylamine ligand, and a solvent. The conductive ink compositions can be used to form conductive structures comprising gold, for example by inkjet or other printing methods, at temperatures of 300 DEG C or less. Such conductive structures can be formed on a variety of substrates.
Resumen de: WO2023213894A1
A method for obtaining a coating of two-dimensional material on a surface, which comprises the steps of: a) forming a dispersion by mixing a laminar material and at least one exfoliating agent in a first solvent; b) subjecting the dispersion formed in step a) to at least one treatment chosen from sonication, mechanical milling, and micronization, obtaining a dispersion comprising two-dimensional material; b1) optionally, subjecting the dispersion comprising two-dimensional material obtained in step b) to one or more of: - extraction with solvents; - centrifugation; - filtration; - concentration; c) applying the dispersion obtained in step b) or b1) on a surface, with a method chosen from the group constituted by spray application, application by means of a stainless steel spiral applicator (Mayer bar), immersion coating, coating by means of rotary technologies (rotogravure, reverse roll, flexography, and variations thereof), slot-die coating, and curtain coating, obtaining a wet surface; d) drying the wet surface obtained in step c), obtaining a coating of two-dimensional material on said surface; e) optionally, repeating steps c) and d); wherein said dispersion does not comprise binding agents or adhesion promoters.
Resumen de: US2025081853A1
Composite material comprising a fluoropolymer matrix and a filler formed of nanoparticles of a ceramic of the BZT-αBXT type wherein X is selected from Ca, Sn, and Mn and a is a molar fraction selected in the range between 0.10-0.90 doped with at least one doping element selected from the group consisting of Nb, La, Mn, Nd and W, wherein when X is Mn, the doping element is not Mn, wherein said nanoparticles have an average diameter comprised between 10 and 25% by weight on the total weight of the composite. The composite material is used to form a thin film usable as a piezoelectric material with inductive properties in electronic components, for example acoustic sensors such as microphones, and energy harvesting transducers.
Resumen de: US2025075096A1
The present disclosure discloses a preparation method for a transparent conductive polymer film, wherein the method comprises the following steps: (a) providing a precursor solution, wherein the precursor solution comprises a main solvent, an auxiliary solvent, an oxidizing agent and a thiophene monomer, wherein the auxiliary solvent comprises one or more of water, an aqueous solution containing hydrogen ions, a cyclic amide, a cyclic urea, a chain alkyl urea, phosphate or phosphoramide, and (b) coating the surface of a substrate with the precursor solution, so that the thiophene monomer is subjected to a polymerization reaction to form a conductive polymer film. The preparation method according to the present disclosure is economical, effective and simple, and the fabrication of high-quality transparent conductive polymer films by a one-step solution method has promising applications.
Resumen de: WO2025048629A1
The present invention relates to water- and solvent-based conductive graphite inks, paints and adhesives, which are capable of conducting electricity when applied on non-conductive surfaces, have a long useful life and, moreover, can be used in different industries for application on a variety of substrates. The invention also relates to methods for producing the water- and solvent-based conductive graphite inks, paints and adhesives that are short and simple, do not use specialised equipment or require the inclusion of process controls with complex parameters, and are industrially scalable.
Resumen de: WO2025048090A1
The present invention relates to two-dimensional MXene surface-modified with an organic material, an MXene organic ink, and a method for producing same, and more specifically, to a two-dimensional MXene surface-modified with an electrophilic organic material bonded to the surface of two-dimensional MXene surface-modified with an organic/inorganic base to have nucleophilic properties by deprotonating the two-dimensional MXene using the organic/inorganic base.
Resumen de: EP4516863A1
A conductive coating material includes a silicone resin (A), and a conductive powder (B) at a specific mass ratio, in which the conductive powder (B) includes a flake-shaped conductive powder (B1) having an average particle size of 1 to 7 µm and an amorphous conductive powder (B2) having an average particle size of 1 to 6 µm at a specific mass ratio, and Expression (1) below is satisfied, 100 ≤ X1 + X2 ≤ 260 (1), X1 = (the average particle size of the conductive powder (B1)/a tap density of the conductive powder (B1)) × (a content of the conductive powder (B1) with respect to a total mass of the conductive powder (B)), X2 = (the average particle size of the conductive powder (B2)/a tap density of the conductive powder (B2)) × (a content of the conductive powder (B2) with respect to the total mass of the conductive powder (B)).
Resumen de: WO2023209608A1
Suspension or colloid comprising liquid metal droplets bound with graphene-based particles, wherein the liquid metal is gallium or a gallium alloy, and the graphene-based particles are selected from a list of graphene, graphene oxide, reduced graphene oxide, graphene quantum dots, carbon nanotubes, or combinations thereof; respective ink, transparent stretchable conductor and obtention processes thereof; also a conductor obtainable by applying a coating of suspension, colloid, network, or ink according to any of the previous claims over a substrate, and laser sintering said coating, in particular the conductor being an electrode or a circuit trace or a circuit. Applications include optoelectronic devices, pressure or strain sensitive piezo resistive composited, pressure or strain sensors, temperature sensors, electroluminescent devices, photovoltaic devices, memory devices or electrodes for energy storage devices.
Resumen de: US2025066623A1
The present invention relates to an inverted perovskite prepared by providing a surface-modified metal oxide nanoparticle as a coating agent for forming an electron transporting layer (or electron transport layer), and using the surface-modified metal oxide nanoparticle as a coating agent prepared in a dispersion type.
Resumen de: US2025066634A1
A quantum dot ink composition includes a thiol compound, a photopolymerizable monomer, a photopolymerization initiator, a scatterer, and quantum dots. An amount of the thiol compound is greater than or equal to about 0.1 parts by weight and less than 10 parts by weight based on 100 parts by weight of the quantum dot ink composition. An apparatus is formed utilizing the quantum dot ink composition, and a light-emitting device is formed utilizing the quantum dot ink composition.
Resumen de: US2025066633A1
A color conversion film is provided. The film includes at least one narrow band emission phosphor dispersed within a binder matrix, wherein the narrow band emission phosphor has a D50 particle size from about 0.1 μm to about 15 μm and is selected from the group consisting of a green-emitting U6+-containing phosphor, a green-emitting Mn2+-containing phosphor, a red-emitting phosphor based on complex fluoride materials activated by Mn4+, and a mixture thereof. A device is also provided.
Resumen de: US2025066622A1
The present invention provides a method for preparing conductor material with large surface area, which comprises steps of: forming a block layer on the outer surface of a support precursor (for example, a conductive nanometer fiber) for producing a mixed precursor; rolling the mixed precursor to crack a portion of the outer surface of the block layer for producing a plurality of crack-gaps and exposing a portion of the outer surface of the support precursor from the plurality of crack-gaps; and adding a conductor material to the mixed precursor so that the conductor material contacts and is connected electrically to the support precursor via the plurality of crack-gaps for producing a conductor material with large surface area.
Resumen de: US2025066579A1
Provided is a thermosetting conductive resin composition comprising: a conductive powder and a resin binder, in which the conductive powder comprises a flake-shaped conductive powder; the resin binder comprises a thermosetting silicone resin having hydroxyl groups; and 25.0% by mass or more of the resin binder is the thermosetting silicone resin having hydroxyl groups. The present invention can provide a thermosetting conductive resin composition capable of forming conductive resin layers having high moisture resistance and excellent conductivity even when multiple kinds of resins including a silicone resin are used as resin binders.
Resumen de: US2025069772A1
This application discloses a conductive paste, a preparation method thereof. The conductive paste comprises: a thermoplastic polyurethane, conductive particles, and an organic solvent, the thermoplastic polyurethane and the conductive particles being proportionally mixed in the organic solvent, and the thermoplastic polyurethane being dispersed in the form of particles among the conductive particles. A thermoplastic polyurethane elastomer is used as a binder, and the conductive particles are mixed in the organic solvent containing the thermoplastic polyurethane elastomer. The conductive particles ensure the conductivity of the conductive film prepared using the conductive paste. The thermoplastic polyurethane has strong adhesion ability, and is suitable for use on the surface of most substrates, to form a conductive film with good adhesion and no cracking.
Resumen de: WO2025041715A1
As a charge-transporting ink composition which has improved dispersibility of metal oxide nanoparticles in an organic solvent and which enables the achievement of a film that has charge transport properties and excellent flatness, the present invention provides a charge-transporting ink composition that contains: an organic solvent; and surface-treated metal oxide nanoparticles which each have a core that is composed of a nanoparticle of one or more metal oxides selected from the group consisting of oxides of a metal selected from the group consisting of Ti, Fe, Zr, Sn, Ta, Nb, Y, Mo, W, Pb, In, Bi, and Sr, and composites of at least two of these oxides, wherein the surface of the core is coated with a metal oxide, and the surface of the metal oxide is coated with at least one surface treatment agent.
Resumen de: WO2025043038A1
The disclosure relates to a hybrid copper ink compositions comprising copper nanoparticles and metal-organic decomposition (MOD) derivatives of copper, at a predetermined ratio, resulting in improved oxidation resistance, and their used in printed electronics.
Resumen de: US2025066628A1
The embodiments disclose a graphene ink composition including a thermal plasma device configured to produce an oxidized graphene, a composition comprising the oxidized graphene, a hydrophobic fluid component and a cellulose derivative, wherein the hydrophobic fluid component comprises at least one from a group of alcohols, glycols, terpenes, terpene alcohols, or combinations thereof, and wherein the composition comprises a graphene-cellulose derivative solids concentration of 2% to 50% weight by volume (w/v) and a viscosity of 0.1 to 100 Pa·s.
Resumen de: US2025065563A1
Self-limiting electrospray compositions including a non-charge-dissipative component and/or a charge-dissipative component. Self-limiting electrospray composition including a plurality of charge-dissipative components and excluding a non-charge-dissipative component. Methods for forming layers of self-limiting thickness. Methods for determining a conductivity of a material. Methods for repairing a flaw in a layer on a surface of an object.
Resumen de: US2024043682A1
The present invention relates to the technical field of photoelectric materials, and in particular, to an alcohol dispersion of a conductive polyethylenedioxythiophene, and a method for preparing same and use of same. The present invention comprises a conductive polyethylenedioxythiophene and an alcohol, and the conductive polyethylenedioxythiophene comprises a polyethylenedioxythiophene cation and a fluorinated sulfonic acid ionomer counter anion. The present invention prepares a PEDOT alcohol dispersion by using an alcohol-dispersible highly fluorinated sulfonic acid ionomer as a counter anion to replace PSS, solving the hygroscopicity problem in conventional aqueous dispersions, and solving the problem that a conventional conductive aqueous dispersion of polyethylenedioxythiophene cannot be evenly applied on a hydrophobic surface due to high surface tension. The present invention has a simple synthesis process and is applicable to different substrates and different types of optoelectronic devices, thermoelectric devices, electrochromic thin films, and antistatic coatings, thus having broad prospects.
Resumen de: US2025063885A1
A light emitting element of an embodiment includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, the electron transport region includes a nanoparticle including a nanoparticle core and a ligand, the nanoparticle core includes a core compound represented by Formula 1, and the ligand is bonded to the surface of the nanoparticle core and represented by Formula 2 or Formula 3.
Resumen de: US2023398802A1
A solvent layer is coated on a metal layer carried by a donor substrate, allowing the fabrication of solid metal lines at a high resolution. The laser jetting involves ejecting metal particles, constrained within a solvent membrane, from the metal layer. Once the metal particles have been deposited onto a receiver substrate, the solvent can be evaporated. Since this printing procedure can be performed with the solvent layer in direct contact with the receiver substrate or separated therefrom by a small distance, the resolution of the metal lines can be very high and depends directly on the laser spot size and defocus. The solvent constrains the droplet size of the metal particles, which can increase or maintain the resolution of the laser beam. As this process is a continuous sequence production, the metal line production can be performed at a very rapid rate.
Resumen de: EP4512603A1
Schweißgerät zum Verschweißen von Kunststoffen, mit einer Wärmequelle (26, 28, 30, 32, 34) und einer Einrichtung (10) zum Übertragen der Wärme der Wärmequelle auf ein zu verschweißendes Werkstück, dadurch gekennzeichnet, dass die Wärmequelle eine Beschichtung (26, 28, 30, 32, 34) aus einer flächig auf ein Substrat aufgetragenen elektrisch leitfähigen Suspension ist, die über Kontakte (38, 40) mit einer Stromquelle (36) verbunden ist.
Resumen de: TW202417240A
Room temperature processing has successfully resulted in highly conductive coatings formed from silver nanowires with a cellulose binder. The conductive coatings can be formed with silver salts to fuse the silver nanowires into a unitary fused metal nanostructured network. Even without added silver salts, low sheet resistance values can be obtained. Room temperature processing can be effective over a range of transmittance values from highly transparent to modestly transparent to translucent to opaque. The ability to form the transparent coatings opens the processing to a wide range of substrates that are not processible with higher process temperatures.
Nº publicación: KR20250025880A 25/02/2025
Solicitante:
경상국립대학교산학협력단
Resumen de: KR20250025880A
본 발명은 분산제 없이 용매에 안전하게 분산될 수 있는 가장자리 산화 그래핀을 이용하여 제조된 저농도 및 저점도의 잉크젯 프린팅용 잉크 및 고농도 및 고점도의 디스펜서 프린팅용 잉크에 관한 것이다.
BOPI
Sede Electrónica
