Resumen de: US2025269427A1
Disclosed herein is a gold powder comprises gold particles, and sulfur present on a surface of at least a part of the gold particles. A sulfur amount of the sulfur present on the surface per unit surface area is 220 μg/m2 or more and 1500 μg/m2 or less. The sulfur amount is obtained by dividing a surface sulfur amount per unit mass by specific surface area of the gold particles. The surface sulfur amount is obtained by a quantitatively analysis of a treated liquid obtained by nitric acid extraction of the gold particles.
Resumen de: US2025273682A1
Provided is a binder for an electricity storage device, the binder being superior in peel strength in a case of being used in an electrode and being suitable for obtaining an electrode having low resistance. Further provided are a binder solution for an electricity storage device, an electrode slurry for an electricity storage device, an electrode for an electricity storage device, and an electricity storage device. The binder for an electricity storage device contains a modified vinyl alcohol polymer, wherein the modified vinyl alcohol polymer has: a content of a structural unit derived from an ethylenic unsaturated dicarboxylic acid derivative (A) being 0.05 mol % or more and 10 mol % or less, a degree of saponification of 70.0 mol % or more and 99.9 mol % or less, and an amount of insoluble content being 0.1 ppm or more and less than 2,000 ppm, when the modified vinyl alcohol polymer is prepared into an aqueous solution at 90° C. having a concentration of 5% by mass.
Resumen de: US2025270413A1
Disclosed are an electron-transport conductive ink containing a benzodifurandione-based compound, a preparation method therefore, and application thereof. The conductive ink comprises a benzodifurandione-based compound, a specific surfactant, and a solvent;the benzodifurandione-based compound has the following structural unit:The present disclosure introduces a specific surfactant capable of interacting with the benzodifurandione-based compound, which is usually a unit capable of forming a hydrogen bond or ionic electrostatic force with the benzodifurandione-based compound, such that, in addition to the dispersion ability of the surfactant, the force makes the benzodifurandione-based compound more stable after dispersion, preventing aggregation over time and ensuring better dispersion stability.
Resumen de: WO2025176709A1
A transferring device for orienting platelet-shaped magnetic or magnetizable pigment particles contained in a radiation curable coating composition and applied on a substrate, the transferring device comprising: a number N of identical magnetic blocks (102) aligned along an alignment line provided on an outer surface of the transferring device, the magnetic blocks (102) each including M magnetic field generating devices (101) each generating a corresponding magnetic field such that the magnetic blocks (102) each generate a block magnetic field, N being greater than or equal to two, and M being greater than or equal to one; and a shielding element (105) partly isolating the block magnetic field of each magnetic block (102) from the block magnetic field of the other magnetic blocks (102), or a compensation magnetic block provided alongside the magnetic block (102).
Resumen de: DE102024105628A1
Die vorliegende Erfindung betrifft eine Beschichtung für eine Metalldichtung, umfassend ein Elastomer und Partikel eines elektrisch leitenden Materials, wobei die Beschichtung einen spezifischen Widerstand von weniger als ca. 20·10-3Ω·m aufweist.Die Erfindung betrifft ferner eine Metalldichtung, umfassend ein metallisches Substrat und eine derartige Beschichtung, die auf mindestens eine Seite, bevorzugt auf beide Seiten des metallischen Substrats aufgebracht ist.
Resumen de: DE102025106883A1
0081 Leitfähige wässrige Dispersionen zur Anwendung als Beschichtungen und Verfahren für die Herstellung leitfähiger wässriger Dispersionen werden bereitgestellt. In einer Ausführungsform umfasst ein Verfahren für die Herstellung einer leitfähigen wässrigen Dispersion Mischen von Wasser, Lösungsmittel und Bindemittel, um eine homogene Mischung zu bilden. Ferner umfasst das Verfahren Zusetzen von Kohlenstoffnanoröhren zu der homogenen Mischung und Mischen bei hoher Scherung, um die Dispersion zu bilden.
Resumen de: TW202417373A
There is provided a method of forming an edge-functionalised 2D material, comprising mixing the 2D material with a solvent at a first pre-determined temperature, adding an oxidising agent and a multifunctional molecule, adjusting the temperature to a second pre-determined temperature, adjusting the temperature to a third pre-determined temperature and adding a quenching agent to form a suspension, wherein the suspension comprises the edge-functionalised 2D material.
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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.
Nº publicación: KR20250123217A 14/08/2025
Solicitante:
닛토덴코가부시키가이샤
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.