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59
resultados
Última actualización
11/07/2025 [08:31:00]
Resumen de: GB2637067A
A dry electrode (204, Fig. 2) for a wearable sensor 100 is formed from an electrically-conductive polymer composition comprising silicone polymer, 5-20 wt.% electrically-conductive particulate carbon, and one or more additives. Preferably, the silicone polymer is polydimethylsiloxane. The carbon may have an average particle size of 5-100 nm. The additive(s) may comprise surfactant and ethylene glycol. A wearable sensor for monitoring physiological or brain signals is also disclosed, the sensor comprising an electrode pad 104 having a skin-facing surface at least partially coated in a coating formed from the polymer composition. In another aspect, a method for manufacturing an electrode of a wearable sensor comprises (i) coating at least part of an electrode pad in an electrically-conductive polymer mixture comprising silicone polymer, 5-20 wt.% electrically-conductive particulate carbon, one or more additives, and optionally a curing agent and (ii) curing the mixture to obtain a cured electrically-conductive coating on the pad.
Resumen de: TW202419590A
Conductive metal-organic decomposition (MOD) ink compositions comprising platinum are provided. Also provided are methods of preparing the conductive ink compositions, methods of forming conductive structures from the conductive ink compositions, and conductive structures formed from the conductive ink compositions, including dense conductive platinum films. The conductive ink compositions preferably comprise a platinum metal, a first bidentate complexing agent, and a solvent. Conductive platinum films can be formed from the ink compositions at low temperatures and are therefore suitable for use on a variety of substrates, including substrates of CHOice for electronic applications.
Resumen de: WO2025141155A1
The invention is directed to flaky silver pigments having a d50 in a range of 2.0 to 100.0 µm and an aspect ratio of more than 25 which are coated at least partially with an additive component, wherein the additive component is: I) a thiol represented by the general formula (Ia): A1-S-A2 or a dithiol represented by the general formula (Ib): A1-S-S-A2, wherein A1 and A2 represent either an alkyl having 1 to 8 C-atoms with A1=A2 or A1 and A2 independently represent a moiety containing polar or polarizable functionalities selected from the group consisting of ester, carboxyl, amine, hydroxyl, benzyl, benzoic, furyl, furfuryl, pyrrolyl, pyridyl, pyrazolyl, pyrazonolyl, oxazolyl, isooxazolyl, ether and combinations thereof and wherein the polar or polarizable functionalities are spaced apart from the sulphur atom or disulphur atoms by a maximum of 3 non-aromatic C-atoms and wherein the maximum total length of the thiol or dithiol involves a chain containing a maximum of 8 non-aromatic C-atoms and the maximum length difference of A1 and A2 is within 2 atoms of each other, or II) a thiol represented by the general formula (IIa): HS-(CH(A3))x-(R1)y-A3 or represented by the general formula (IIb): HS-R4-CO-O-R5, wherein R1 is an alkylene having 1 to 6 C-atoms or a phenylene, and wherein A3 is independently selected from the group consisting of NR2 2, OH, COOH, COOR3, N-succinimide, and 1-amino 2-carboxylethyl, wherein integers x and y are either 0 or 1 and x + y = 1 or 2, and wherein
Resumen de: US2025215242A1
The invention pertains generally to a composition which comprises: at least one two-part epoxy resin; Part A of the epoxy resin comprising at least one polyepoxide; and Part B of the epoxy resin comprising at least one amine hardener, at least one single-walled carbon nanotube; at least one polyhedral silsesquioxane; a coated composition of the two-part epoxy resin having a conductivity of a maximum of 1.0×109 ohms; and the coated composition having a gloss as measured by a reflected image quality of the coated composition is at least 50.
Resumen de: CN119452045A
The present invention provides a method for producing a purified carbon black having a reduced oxygen-containing polycyclic aromatic hydrocarbon content, the method comprising: (a) providing a carbon black comprising an initial content of oxygen-containing polycyclic aromatic hydrocarbons of 1 ppm or more, (b) treating the carbon black comprising the initial content of oxygen-containing polycyclic aromatic hydrocarbons with an extractant comprising carbon dioxide in a supercritical state, and (c) removing the extractant comprising the extracted oxygen-containing polycyclic aromatic hydrocarbons from the carbon black to obtain a purified carbon black having an oxygen-containing polycyclic aromatic hydrocarbon content lower than the initial oxygen-containing polycyclic aromatic hydrocarbon content, and (c) removing the extractant comprising the extracted oxygen-containing polycyclic aromatic hydrocarbons from the carbon black to obtain a purified carbon black having an oxygen-containing polycyclic aromatic hydrocarbon content lower than the initial oxygen-containing polycyclic aromatic hydrocarbon content. The invention also provides carbon black obtained by the production method and articles made therefrom.
Resumen de: WO2025142191A1
Provided is a conductive paste composition that can be cured at a temperature lower than temperatures for conventional products, that can form a cured film having excellent conductivity, and that has excellent printability. A conductive paste composition according to the present invention contains a conductive material (A), an epoxy resin (B), a metal chelate (C), and a polyhydroxy fatty acid (D). The epoxy resin (B) has a weight average molecular weight of 2000-120000. The polyhydroxy fatty acid (D) is represented by general formula (1) (in formula (1), R1 represents an alkylene group or an alkenylene group, R2 and R3 are the same or different from each other and each represent a hydrogen atom, an alkyl group, or an alkenyl group, and n represents the number average degree of polymerization and is an integer of 2-20).
Resumen de: WO2025139168A1
An electron transport type conductive ink containing a benzodifuranone substance, comprising: a benzodifuranone substance, a specific surfactant, and a solvent, wherein the benzodifuranone substance has the following structural unit: (I). The present invention introduces a specific surfactant capable of interacting with the benzodifuranone substance, and the specific surfactant generally contains a unit capable of forming hydrogen bonds or ionic electrostatic interactions with the benzodifuranone substance, so that in addition to the dispersibility of the surfactant itself, the interactions enable the benzodifuranone substance to remain in a more stably dispersed state after dispersion, and not to easily agglomerate over time.
Resumen de: WO2025144042A1
A UV-curable graphene-based conductive ink comprising graphene-based colloid, wherein the graphene-based colloid comprises reduced graphene oxide and silver nanoparticles; photocurable polymer resin, photoinitiator and dispersant. A method of manufacturing a near field communication, NFC antenna, wherein the method comprises the steps of (i) inkjet printing a first conductive layer on a flexible substrate using a UV-curable graphene-based conductive ink; (ii) curing the first conductive layer obtained from step (i); (iii) inkjet printing dielectric layer onto the cured first conductive layer obtained from step (ii); (iv) curing the dielectric layer obtained from step (iii); (v) inkjet printing a second conductive layer on the cured dielectric layer obtained in step (iv); (vi) curing the second conductive layer obtained from step (v) to produce a flexible NFC antenna; and (vii) curing the flexible NFC antenna obtained from step (vi) to produce the NFC antenna of the present invention.
Resumen de: WO2025143140A1
The purpose of the present invention is to provide an aqueous primer paint composition for an automobile exterior component, the aqueous primer paint composition having adhesion properties superior to those of conventional primer paint compositions and having paint physical properties, such as coating workability and stability, equivalent to those of conventional primer paint compositions. This aqueous primer composition for an automobile exterior component has a resin makeup composed of a chlorinated polyolefin (A), a urethane dispersion (B), an alkyd dispersion (C), an epoxy dispersion (D), and an acrylic resin (E) and further contains carbon black (F) as a conductive material, the composition being characterized in that: the chlorinated polyolefin (A) has a weight-average molecular weight of 90,000-110,000 and a melting point of 72-80ºC; and 45.0-60.0 mass% of the chlorinated polyolefin (A) in terms of solid content is contained with respect to 100 mass% of the total amount of resin solid contents of the chlorinated polyolefin (A), the urethane dispersion (B), the alkyd dispersion (C), the epoxy dispersion (D), and the acrylic resin (E).
Resumen de: US2025215243A1
A conductive polymer dispersion including: (a) at least one oligo- or polythiophene obtained by copolymerization of at least one monomer according to Formula (I) and at least one monomer according to Formula (II) wherein A represents a substituted or unsubstituted C1 to C5 alkylene bridge; R is selected from the group consisting of a linear or branched substituted or unsubstituted C1-C18-alkyl group, a substituted or unsubstituted C5-C12-cycloalkyl group, a substituted or unsubstituted C6-C14-aryl group, a substituted or unsubstituted C7-C18-aralkyl group and a hydroxyl group; s represents an integer from 0 to 8; Ra and Rb are independently from each other selected from the group consisting of hydrogen, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted alkaryl group and a substituted or unsubstituted aryl or heteroaryl group; (b) a polymeric polyanion wherein at least 75 mol % of the monomeric units of the polymeric polyanion are functionalized with a functional group selected from the group consisting of a sulfonic acid or salt thereof, a phosphonic acid or salt thereof, a phosphate ester or salt thereof, a sulfate ester or salt thereof and a carboxylic acid or salt thereof, characterized in that a weight ratio of the monomer according to Formula (I) to the monomer according to Formula (II) is from 75/25 to 25/75.
Resumen de: WO2025134695A1
Provided is a two-pack type coating composition for in-mold coating which comprises a main preparation and a curing agent, wherein the main preparation comprises a polyol (A), a curing catalyst (B), an electroconductive pigment (C), and a pigment dispersant (D) and the curing agent includes an isocyanurate compound (E). The polyol (A) has a hydroxyl value of 300-1,000 mgKOH/g, the content of the curing catalyst (B) is 0.05-3 parts by mass per 100 parts by mass of the polyol (A), the electroconductive pigment (C) has a DBP oil absorption of 490 cm3/100 g or less, and the two-pack type coating composition has a solvent content of 30 mass% or less.
Resumen de: JP2025097608A
【課題】導電性が良好であり、密着性に優れた導電層が金属基材表面に形成された導電性積層体及びその製造方法、並びにキャパシタを提供する。【解決手段】金属基材と、前記金属基材の表面の少なくとも一部に密着した導電層と、を備えた導電性積層体であり、前記導電層は、π共役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、アルコキシシリル基含有アクリル系樹脂と、ポリエステル樹脂と、水系分散媒と、を含有する導電性高分子分散液の硬化物である、導電性積層体。【選択図】なし
Resumen de: WO2025110986A2
Provided are conductive slurry compositions that may be used as a printable ink. The conductive slurry composition has a conductive filler, which may be a copper nanoplates, copper silver alloy nanoparticle, and/or silver-coated alloy nanoparticle. The conductive slurries may be used to manufacture flexible electronics. Also provided are methods of making the compositions and flexible electronics formed from said compositions.
Resumen de: KR20250097660A
본 발명의 일 실시예에 따른 결함부위 감지 및 모니터링 시스템은 복수의 결함 감지부들, 복수의 감지 라인들, 및 제어부를 포함한다. 상기 복수의 결함 감지부들은 정상 상태에서 전기를 전도하고, 결함 상태에서 전기를 전도하지 않는다. 상기 감지 라인은 상기 복수의 결함 감지부들을 병렬로 연결시킨다. 상기 제어부는 상기 병렬로 연결된 상기 복수의 결함 감지부들의 병렬 저항값을 측정한다. 상기 제어부는 상기 병렬 저항값을 통해 상기 복수의 결함 감지부들 중 상기 결함 상태인 대상을 감지한다. 상기 복수의 결함 감지부들 각각이 서로 다른 정상 저항값을 가진다. 각각의 상기 복수의 결함 감지부들은 손상되는 경우 상기 결함 상태로 전환된다.
Resumen de: TW202513462A
Provided is a semiconductor nanoparticle complex dispersion liquid in which semiconductor nanoparticles are dispersed in a polar dispersion medium at a high mass fraction, and in which high fluorescence quantum efficiency (QY) is maintained. A semiconductor nanoparticle complex dispersion liquid according to an embodiment includes a semiconductor nanoparticle complex dispersed in an organic dispersion medium, wherein: the semiconductor nanoparticle complex is composed of two or more ligands including an aliphatic thiol ligand and a polar ligand, and a semiconductor nanoparticle with the ligands coordinated to the surface thereof; the ligands are composed of an organic group and a coordinating group; the organic group of the polar ligand includes a hydrophilic functional group; and an SP value of the organic dispersion medium is 8.5 or more.
Resumen de: FR3157407A1
Procédé de recyclage des résidus d’encre catalytique dans une installation de production et/ou dépôt d’encre catalytique destinée aux piles à combustible L’invention concerne un procédé de recyclage de résidus d’une encre catalytique comprenant particules catalytiques, polymère électrolytique, eau. Le procédé comprend le fait de disposer d’un effluent, contenant les résidus d’encre catalytique, sa filtration sur une membrane de filtration, qui génère la formation d’un rétentat contenant les particules catalytiques contenues dans l’effluent, tout ou partie du polymère électrolytique, et de l’eau, puis, de préférence sa diafiltration moyennant l’ajout d’eau. Filtration et diafiltration sont de préférence tangentielles et dynamiques. Les résidus d’encre peuvent être issus du nettoyage d’une installation de production et/ou de dépôt d’encre catalytique, ou de la dissolution de couches d’encre à la surface d’un assemblage membrane électrode de pile à combustible. L’invention concerne aussi une composition pour recyclage et un procédé de production d’une nouvelle encre incorporant la composition pour recyclage. Figure pour l'abrégé : néant
Resumen de: WO2025132824A1
The invention relates to a process for preparing a component of a rechargeable battery, wherein a composition comprising a) water, b) an electrically conductive carbon-based material, and c) a polymer comprising repeating units of polymerized monomers of i) a vinyl aromatic monomer, ii) a polyether acrylate or polyether methacrylate, and iii) an ethylenically unsaturated monomer having 1 or 2 carboxylic acid groups, wherein at least a part of the carboxylic acid groups is present in salt form, is employed for preparing the component.
Resumen de: US2025206962A1
Surface treated steel sheet excellent in weldability and corrosion resistance is disclosed. The surface treated steel sheet of the present disclosure comprises a plated steel sheet having a Zn-containing plated layer, and a surface treatment layer provided on at least one main surface of the plated steel sheet, wherein the surface treatment layer has at least a paint film as an outer layer, the paint film has an average film thickness of 1.0 μm or more and 10.0 μm or less, the paint film includes a binder resin, oil absorbent, and conductive material, the binder resin includes an epoxy resin, a ratio of the epoxy resin in the binder resin is 25 vol % or more, the oil absorbent has an oil absorption of 50 ml/100 g or more, the oil absorbent has a particle diameter of half or more and equal to or less of the average film thickness, and the paint film contains the oil absorbent in 5 vol % or more.
Resumen de: US2025212531A1
A paste (32) for use in metallization of a solar cell (12) includes an organic vehicle (44) and a mixture of copper-containing particles (46), metal-oxide-containing nanoparticles (50), and secondary oxide particles (52) different from the metal-oxide-containing nanoparticles (50). The secondary oxide particles (52) include particles (42) of a metal oxide and a metal of the metal oxide capable of reducing at least some of the metal-oxide-containing nanoparticles (50) to metal when heated. The organic vehicle (44) is capable of reducing the metal oxide of the secondary oxide particles (52) upon decomposition of the organic vehicle (44). A paste (32) includes a mixture of particles (42) including metallic copper particles (46), nanoparticles (50), and metal oxide particles (52) in the organic vehicle (44). The nanoparticles (50) include at least one oxide of nickel, copper, cobalt, manganese, and lead. The metal oxide of the metal oxide particles (52) has a more negative Gibbs Free Energy of Formation than a metal oxide of the at least one oxide of the nanoparticles (50).
Resumen de: US2025206950A1
The present application relates to a self-healing, electrically conducting elastomer, comprising an electrically conducting phase comprising PEDOT:PSS nanofibrils and an electrically insulating phase comprising a polyborosiloxane-based polymer and a polydimethylsiloxane-based polymer. The present application also relates to a method for manufacturing the self-healing, electrically conducting elastomer.
Resumen de: US2025206974A1
An electro-optic ink composition containing at least one compound selected from a compound of formula (1′) and a compound of formula (1″), and an organic solvent having a boiling point of 120° C. or higher and a dipole moment of less than 3.0 debye.D1-X1-A1 (1′)D1 represents an electron-donating group. X1 represents a predetermined divalent conjugated linking group or the like. A1 represents a group of formula (a1).
Resumen de: US2025206961A1
Provided are electrochemical cells with at least a portion of the exterior surface coated in a conductive aversive coating to deter children from eating the electrochemical cell. Described are compositions and methods for preparing electrochemical cells with aversive coatings capable of conducting electricity through the coating.
Resumen de: US2025206963A1
A surface treated steel sheet excellent in weldability and corrosion resistance after electrodeposition coating is disclosed. The surface treated steel sheet of the present disclosure has a plated steel sheet having a Zn-containing plated layer and a surface treatment layer provided on at least one main surface of the plated steel sheet, wherein the surface treatment layer has at least a paint film as an outer layer, the paint film has an average film thickness of 0.5 μm or more and 5.0 μm or less, the paint film includes a binder resin, rust preventer, and conductive agent, and the binder resin includes a phenolic resin with a cross-linking degree of 40% or more or 80% or less.
Resumen de: WO2025134695A1
Provided is a two-pack type coating composition for in-mold coating which comprises a main preparation and a curing agent, wherein the main preparation comprises a polyol (A), a curing catalyst (B), an electroconductive pigment (C), and a pigment dispersant (D) and the curing agent includes an isocyanurate compound (E). The polyol (A) has a hydroxyl value of 300-1,000 mgKOH/g, the content of the curing catalyst (B) is 0.05-3 parts by mass per 100 parts by mass of the polyol (A), the electroconductive pigment (C) has a DBP oil absorption of 490 cm3/100 g or less, and the two-pack type coating composition has a solvent content of 30 mass% or less.
Nº publicación: WO2025130657A1 26/06/2025
Solicitante:
ZHEJIANG OUREN NEW MAT CO LTD [CN]
\u6D59\u6C5F\u6B27\u4EC1\u65B0\u6750\u6599\u6709\u9650\u516C\u53F8
Resumen de: WO2025130657A1
A transparent electrically-conductive thin film. The thin film comprises: a transparent substrate layer, and an electrically-conductive layer located on a surface of the transparent substrate layer, wherein the electrically-conductive layer is obtained by means of coating and drying an electrically-conductive liquid. The electrically-conductive liquid is composed of the following components in parts by weight: 100 parts of a solvent, 10-15 parts of silver nanowires, 2-5 parts of a polyvinyl butyral, 1-3 parts of a polyvinylpyrrolidone, 0.1-0.5 parts of a dispersing agent, 0.3-1.5 parts of a silane coupling agent, 0.1-1 part of a leveling agent and 0.2-0.6 parts of a polycitric acid, wherein the silver nanowires have a diameter of 30-50 nm and a length of 15-30 μm. The transparent electrically-conductive thin film maintains a low surface resistance, and also reduces the yellowness value of the thin film, thereby ensuring stable light transmittance and the appearance effect of the transparent electrically-conductive thin film.
BOPI
Sede Electrónica
