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46
resultados
Última actualización
20/08/2025 [07:39:00]
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: US2025253341A1
A core-shell structured polymer, a conductive slurry, a secondary battery, and an electrical apparatus. The core-shell structured polymer comprises a core and a shell at least partially covering the core. The core contains a building block derived from a monomer represented by formula I and a building block derived from a monomer represented by formula II, and the shell contains the building block derived from the monomer represented by the formula I and a building block derived from a monomer represented by formula III, where R1, R2 and R3 are each independently selected from one or more of hydrogen, fluorine, chlorine, and fluorine-substituted C1-3 alkyl, and R4, R5, R6, R7, R8 and R9 are each independently selected from one or more of hydrogen, substituted or unsubstituted C1-5 alkyl.
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: US2025250453A1
This present disclosure is directed to systems, devices, and methods of making printable copper and its alloy ink materials for materials such as printable electronics.
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.
Resumen de: WO2025165538A1
Embodiments relate to a printable composite material and conductive structures formed from said material via printing and heating. The printable composite material may include at least one liquid metal, at least one conductive polymer, and at least one non-conductive polymer. The conductive structures may have an asymmetric configuration, such as a conductive first surface and an insulated second surface. The conductive structures may further be highly stretchable and have tissue-like mechanical properties.
Resumen de: US2025250454A1
The present invention discloses a MXene surface-modified with a metal alkoxide, which is formed by surface-modifying a MXene represented by the following Chemical Formula 1 with a metal alkoxide, in which the metal alkoxide is covalently bonded to the surface of the MXene and is present as a ligand.Mn+1 Xn Chemical Formula 1Here, M is one or more transition metal elements selected from the group consisting of Sc, Ti, V, Cr, Mn, Y, Zr, Nb, Mo, Hf, and Ta, X is at least one of carbon and nitrogen, and n is an integer from 1 to 4.
Resumen de: AU2024374498A1
A conductive slurry and a preparation method therefor, a composite electrode, and a flow battery. The conductive slurry is prepared from a conductive carbon black, carbon nanotubes, polyvinylidene fluoride and N-methylpyrrolidone. The composite electrode comprises a first electrode, a bipolar plate, a second electrode, and the conductive slurry as described above, wherein the conductive slurry is disposed between the first electrode and the bipolar plate and disposed between the second electrode and the bipolar plate. The conductive slurry is not only stable in the initial chemical state of a vanadium electrolyte of a common flow battery, but also has electrochemical stability during charging and discharging after a voltage is applied thereto. The conductive slurry has a long service life and does not degrade over time as the battery is used. The conductive slurry has a good bonding effect, and also enables the contact resistance to be reduced after the bipolar plate and carbon felt electrodes are compounded. Moreover, the conductive slurry itself has a good electrocatalytic activity, thereby providing reaction sites for a vanadium electrolyte commonly used in a flow battery and thus improving the efficiency and performance of the battery.
Resumen de: US2025250446A1
Nanoscale colorants are introduced to adjust the hue of transparent conductive films, such as to provide a whiter film. The transparent conductive films can have sparse metal conductive layers, which can be formed using silver nanowires. Color of the film can be evaluated using standard color parameters. In particular, values of color parameter b* can be reduced with the nanoscale colorants without unacceptably changing other parameters, such as haze, a* and transparency.
Resumen de: US2023245797A1
Provided is a conductive film that can be formed without using a vacuum deposition method and includes a material that is neither a noble metal nor a special carbon material as a conductive element for exhibiting conductivity. The conductive film provided includes an arrangement portion of semiconductor nanoparticles. When a cross section including the arrangement portion is observed, the semiconductor nanoparticles are arranged in line apart from each other in the arrangement portion. A conductivity C1 measured along at least one direction is 7 S/cm or more.
Nº publicación: JP2025115847A 07/08/2025
Solicitante:
アイカ工業株式会社
Resumen de: JP2025115847A
【課題】非導電性プライマー、不陸修正材、及び導電性プライマーの３工程を１工程で担うことができること、及び上塗り材との付着性に優れることにより導電性塗り床を省工程で形成でき、さらに導電性塗り床を耐衝撃性に優れるものとする導電性水系塗り床材組成物、導電性塗り床の施工方法、及び導電性塗り床を提供する。【解決手段】エポキシ樹脂と、アミンと、カーボンナノチューブと、水硬性セメントと、充填材と、骨材と、水と、を含み、エポキシ樹脂はビスフェノールＦ型エポキシ樹脂であり、アミンは変性脂肪族ポリアミンであり、カーボンナノチューブは組成物全体１００重量部中０．００３０～０．００６５重量部であり、骨材は組成物全体１００重量部中２５～５５重量部である、導電性水系塗り床材組成物。【選択図】なし
BOPI
Sede Electrónica
