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47
resultados
Última actualización
26/08/2025 [07:23:00]
Resumen de: US2025262894A1
The present invention is directed to additive manufacturing compositions and methods for producing additive manufacturing composite blends with oxidized discrete carbon nanotubes with dispersion agents bonded to at least one sidewall of the oxidized discrete carbon nanotubes. Such compositions are especially useful when radiation cured, sintered or melt fused.
Resumen de: WO2025172669A1
The invention relates to a method for producing a piezoresistive lacquer comprising a polymer selected from the group consisting of polyurethane and silicone, a nanoparticle-based conductive filler selected from the group consisting of carbon black, graphite, carbon nanotubes, and a mixture thereof, and a solvent, wherein the conductive filler represents between 5% and 30% by weight relative to the polymer. The lacquer exhibits a heterogeneous dispersion of the nanoparticles of the filler in the polymer, and the amount of solvent is selected such that the lacquer has a viscosity of between 1 and 20000 mPa.s at 20°C and an electrical volume resistivity of between 5 and 200 ohm.cm, so as to obtain a mean lacquer hysteresis value of less than 5%, preferably less than 3%, and more preferably less than 1%.
Resumen de: WO2025171983A1
The present invention relates to an anisotropically conductive heat activated adhesive composition, comprising a) one or more thermoplastic resin; b) metal coated particles; and c) a solvent selected from the group consisting of l-methoxy-2- propanylacetate,2-butoxyethyl acetate, 2-(2-butoxyethoxy)ethanol, 2-(2-butoxyethoxy)-ethylacetate, 2-butoxyethanol, isophorone, 3, 3, 5-trimethyl-2-cyclohexene-l-one, dimethyl succinate, dimethyl glutarate, dimethyl adipate, acetic acid, l-methoxypropan-2-ol, 1- methoxy-2-propylacetat, dipropylene glycol (mono)methylether, toluene, ethanol, isopropyl alcohol, n-propanol, ethoxy propanol, ethylacetate, butyl acetate, n-propyl acetate, isopropyl acetate, methyl ethyl ketone, methyl isobutyl ketone, glycol ethers and mixtures thereof, wherein the one or more thermoplastic resin is dissolved into the solvent. The composition can be used in electronic devices.
Resumen de: EP4603558A1
The present invention relates to an anisotropically conductive heat activated adhesive composition, comprisinga) one or more thermoplastic resin;b) metal coated particles; andc) a solvent selected from the group consisting of 1-methoxy-2-propanylacetate, 2-butoxyethyl acetate, 2-(2-butoxyethoxy)ethanol, 2-(2-butoxyethoxy)-ethylacetate, 2-butoxyethanol, isophorone, 3,3,5-trimethyl-2-cyclohexene-1-one, dimethyl succinate, dimethyl glutarate, dimethyl adipate, acetic acid, 1-methoxypropan-2-ol, 1-methoxy-2-propylacetat, dipropylene glycol (mono)methyl ether, toluene, ethanol, isopropyl alcohol, n-propanol, ethoxy propanol, ethyl acetate, butyl acetate, n-propyl acetate, isopropyl acetate, methyl ethyl ketone, methyl isobutyl ketone, glycol ethers and mixtures thereof, wherein the one or more thermoplastic resin is dissolved into the solvent.The composition can be used in electronic devices.
Resumen de: FR3159166A1
L’invention concerne un procédé de fabrication d’une laque piézorésistive comprenant, un polymère choisi parmi le groupe constitué de polyuréthane et silicone, une charge conductrice à nanoparticules choisi parmi le groupe constitué de noir de carbone, de graphite, de nanotubes de carbone et d’un mélange de ceux-ci et du solvant La charge conductrice représente entre 5% et 30% en masse par rapport au polymère. La laque présente une dispersion hétérogène desdites nanoparticules de ladite charge dans le polymère, et la quantité du solvant est choisie de sorte à ce que la laque présente une viscosité comprise entre 1 à 20000 cP à 20°C et une résistivité électrique volumique comprise entre 5 à 200 ohm.cm, de manière à obtenir une valeur moyenne de l’hystérèse de la laque inférieure à 5%, préférentiellement inférieur à 3%, et plus préférentiellement inférieure à 1% Figure d’Abrégé : Figure 5
Resumen de: US2025257224A1
A chemical composition comprising a mixture of a non-curing organic polymer base with a viscosity between 300 and 10,000 centipoises at 20° C. and a molecular weight of between 1,000 and 100,000. Into the base is mixed at least one of: metal particles (coated or uncoated), inert particles and non-metal corrosion inhibitors such that reaches a viscosity of between 9,000 and 10,000,000 centipoises. The result is a paste that is useful in applying to metal aircraft parts to help prevent corrosion, including galvanic corrosion.
Resumen de: US2025260015A1
A binder that hardly causes gelation even when mixed with a positive electrode active material containing nickel, and has sufficient adhesiveness in a small amount. The binder contains a vinylidene fluoride polymer, the vinylidene fluoride polymer includes a structural unit derived from vinylidene fluoride and two or more kinds of structural units having a carboxy group, and a viscosity ratio of slurry determined by a specific method is 100% or less.
Resumen de: US2025258099A1
The present application discloses a method for optical detection of defects on a photosensitive object by fluorescence imaging in the infrared and near-infrared wavelengths of light. The method of fluorescence imaging enables fast and efficient defect detection on the object for quality control. Furthermore, the imaging process does not alter, discolor, or degrade electrical performance of the photosensitive object.
Resumen de: US2025257079A1
According to one aspect of the invention, a hole-transporting ink composition for a light emitting device, the hole-transporting ink composition includes an adhesion-promoting compound represented by Formula 1 and a hole-transporting compound:A1-B1—C1 Formula 1wherein, in Formula 1, the variables are defined above.
Resumen de: US2025257235A1
An ink production method is a method for producing an ink for use in the formation of a membrane electrode assembly of a fuel cell, the method includes: a generation step of mixing ionomer and solvent to generate an ionomer solution having a concentration of solid content of 7.5% by mass or more and an alcohol ratio in the solvent of 85% by mass or more; and a shearing treatment step of applying a shear force to the ionomer solution generated in the generation step.
Resumen de: US2025257234A1
Composite materials with good electrical conductivity at low metal loadings are prepared using flowable, curable ink compositions that include polymer matrix precursor, silver nanowires, and reducible metal ions such as silver ions. The composite materials as electrically conductive structures can include up to about 20 wt % total metal and exhibit resistivity of no more than about 500 Ohm-cm. The electrically conductive structures can be designed to exhibit a variety of performance features, for example, the structures can be opaque or translucent, or they can have a total transmittance of visible light of at least about 80%.
Resumen de: US2025257240A1
A silicon-based coating composition for a wide range of mold surfaces, which composition is formed from a mixture of constituents comprising appropriate portions of silazane, siloxane, and silane, and optionally organic solvent. The composition, after curing, results in an extreme release product that is non-transferable to the finished part, allowing for proper adhesion of coatings or adhesives to the finished surface without additional surface preparation. The cured coatings are ultrathin, having a thickness between 0.1 μm and 3 μm, and having a hardness between about 4H and about 9H.
Resumen de: US2025257228A1
An aspect of the present disclosure relates to a dispersant composition for an electrode of a power storage device. The dispersant composition contains an acrylic polymer (A), an amine compound (B) with a boiling point of 200° C. or less, and an organic solvent (C). The acrylic polymer (A) contains a constitutional unit a represented by the following formula (1). The compound (B) is at least one amine compound selected from the group consisting of a secondary aliphatic amine, a tertiary aliphatic amine, an aromatic amine, and a heterocyclic amine.
Resumen de: US2025257227A1
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: US2025257233A1
An RFID composite conductive paste, a preparation method, and RFID electronic tags are provided. The RFID composite conductive paste includes the following components in parts by weight: 10-25 parts of oil-soluble special cross-linked resin, 30-50 parts of metal conductive agent, 5-10 parts of two-dimensional carbon-based material, 20-50 parts of organic solvent, 10-20 parts of quick-drying agent, and 2-5 parts of leveling agent.
Resumen de: US2025257263A1
A semiconductor nanoparticle, a method of producing the semiconductor nanoparticle, and an electronic device including the semiconductor nanoparticle. The semiconductor nanoparticle includes silver, indium, gallium, and sulfur, with a molar ratio of gallium to indium (Ga/In) of greater than or equal to about 0.8:1 and less than or equal to about 20:1. The semiconductor nanoparticle is substantially free of copper and is configured to emit red light. The emission peak wavelength of the red light is greater than or equal to about 600 nm and less than or equal to about 650 nm, with a full width at half maximum (FWHM) of greater than or equal to about 5 nm and less than or equal to about 90 nm.
Resumen de: WO2025171139A1
Composite materials with good electrical conductivity at low metal loadings are prepared using flowable, curable ink compositions that include polymer matrix precursor, silver nanowires, and reducible metal ions such as silver ions. The composite materials as electrically conductive structures can include up to about 20 wt% total metal and exhibit resistivity of no more than about 500 Ohm-cm. The electrically conductive structures can be designed to exhibit a variety of performance features, for example, the structures can be opaque or translucent, or they can have a total transmittance of visible light of at least about 80%.
Resumen de: CN119563248A
The present invention relates to the manufacture of hydrophobic dual emulsions (hydrophobic bio-binders) to be integrated into bio-cathode inks to provide cathode ink formulations for hydrophobic bio-cathodes.
Resumen de: TW202502989A
Provided is an adhesive film having an antistatic layer, a base material layer, and an adhesive layer in this order. When the adhesive film is placed between an image display panel and a member such as an optical sensor disposed on the back surface of the image display panel, both a reduction in the visibility of the member such as an optical sensor from a display surface and a reduction in the visibility of non-uniform portions of the antistatic layer can be achieved. Also provided is a flexible device having such an adhesive film. An adhesive film according to an embodiment of the present invention has an antistatic layer, a base material layer, and an adhesive layer in this order, wherein the antistatic layer is a coating layer formed by applying an antistatic treatment solution, the haze of the adhesive film is 3.0-7.5%, the Marangoni number of the antistatic treatment solution is 10 or less, and the capillary number of the antistatic treatment solution is 5 or less.
Resumen de: US2025255175A1
Embodiments provide a light emitting element, an ink composition, and a method of manufacturing a light emitting element using the ink composition. The light emitting element includes a first electrode, a second electrode disposed on the first electrode, an emission layer disposed between the first electrode and the second electrode, and a hole transport region disposed between the first electrode and the emission layer, wherein the hole transport region includes nanoparticles, and the nanoparticles each include a core represented by Formula 1, which is explained in the specification.Ni1-xMxO. Formula 1
Resumen de: US2022056292A1
An ink composition that contains light-emitting nanocrystalline particles, a photopolymerizable component containing at least one photopolymerizable compound and having a Hansen solubility parameter δp of 3.0 MPa0.5 or more, and a phosphite compound with a partial structure represented by the following formula (1).In the formula (1), X1 to X3 independently denote an oxygen atom or a sulfur atom, R1 denotes an alkyl group, and * denotes a bonding arm.
Resumen de: US2025253337A1
The present invention pertains to a binder for Li-ion battery positive electrode, to a method of preparation of said electrode and to its use in a Li-ion battery. The invention also relates to the Li-ion batteries manufactured by incorporating said electrode.
Resumen de: WO2025164748A1
Problem To provide a liquid composition excellent in thickener solubility and metal particle dispersion stability, in addition to being excellent in shape retention during wiring formation. Solution This liquid composition is characterized by containing metal particles, a dispersion medium, and cellulose having an alkyloxyhydroxypropyl group.
Resumen de: US2025254793A1
A method for fabricating a printed gel-electronic circuit includes depositing a conductive material on a substrate, depositing first gel over the conductive material on the substrate, air-drying the first gel, depositing second gel over the air-dried gel, freezing a combination of the second gel, the air-dried gel, and the conductive material, and thawing the combination of the second gel, the air-dried gel, and the conductive material.
Nº publicación: KR20250118861A 07/08/2025
Solicitante:
삼성디스플레이주식회사
Resumen de: US2025248298A1
Embodiments provide an ink composition, a light-emitting element produced from the ink composition, and a method for manufacturing the light-emitting element. The ink composition includes a metal oxide and an additive, wherein the ink composition has a viscosity in a range of about 7.5 cp to about 8.0 cp at a temperature of about 25° C. The additive is represented by Chemical Formula 1, which is explained in the specification.
BOPI
Sede Electrónica
