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57
results.
Updated on
13/07/2025 [07:32:00]
Absstract of: US2025223456A1
A particle-free gold-complex based ink is described wherein a gold carboxylate is complexed with an amine. Upon heating the solution, the gold cation catalyzes the oxidative amidation of the amine with the carboxylate to form a short chain or polymeric amide while simultaneously reducing the gold cation to metallic gold. This method is extremely versatile and allows for both the preparation of pure metallic gold films as well as polymer gold composites with unique properties.
Absstract of: US2025226161A1
An improved dispersion, which is particularly suitable for use in forming a hybrid capacitor, and improved method for forming a hybrid capacitor, and an improved capacitor is provided. The method comprises forming a dispersion comprising a conductive polymer, a dispersing agent, a monomer of the conductive polymer and a molar excess of anionic counterion per mole of conductive polymer and monomer. The dispersion is homogenized to form a homogenized dispersion. A capacitor is formed comprising a conductive layer formed from the homogenized dispersion.
Absstract of: US2025227847A1
The present invention relates to a printed circuit board for a battery pack capable of measuring temperature and a method for manufacturing same. The printed circuit board for a battery pack according to the present invention, capable of measuring temperature and provided in a battery pack including a plurality of secondary batteries, includes: a film; a conductive pattern provided on a first portion of the film; and a temperature sensor provided on a second portion of the film and configured to measure the temperature inside the battery pack.
Absstract of: US2025223168A1
Provided is a carbon nanotube dispersion composition including carbon nanotubes, a dispersant, and a solvent and satisfying (1) and (2) as follows:(1) an average outer diameter of the carbon nanotubes calculated from an SEM image obtained by observing the carbon nanotubes included in the carbon nanotube dispersion composition is 15 nm or more and 50 nm or less; and(2) when a target pixel group in the SEM image obtained by observing the carbon nanotubes included in the carbon nanotube dispersion composition is set as the carbon nanotubes, and a value obtained by dividing an absolute maximum length by a length of a free curve, that is, a skeleton length, is set as linearity, a proportion of carbon nanotubes with a linearity of 0.9 or more among carbon nanotubes with a skeleton length of 1 μm or more is 40% or more and 90% or less.
Absstract of: US2025223452A1
An ink may be provided that includes a two-dimensional WS2 nanosheet and an organic solvent, such as water, and may be free of protective molecules and surfactants. Circuits may be provided that include this ink disposed onto a surface of a substrate (such as a flexible substrate) in various patterns, including, e.g., a superconducting qubit. The ink may be formed by sonicating, then centrifuging at a first speed, a sulfuric acid-KxWS2 solution, where x=0.3 ̃0.7, removing any supernatant from the centrifuged first suspension and replacing with water and sonicating the resulting WS2-water suspension, then centrifuging the result at a speed slower than the first speed, and using an upper portion of the resulting suspension.
Absstract of: JP2025103155A
【課題】屋外で使用される構造体の落雷による損傷を防止する新規な技術を提供する。【解決手段】絶縁基材の内面に、次の（Ａ）層及び（Ｂ）層を含む落雷損傷防止層を有し、前記落雷損傷防止層の表面抵抗率が１．００×１０2～１．００×１０4Ω／□である、構造体。（Ａ）前記内面に形成された、カーボンナノチューブとその分散剤である高分子酸を含むカーボンナノチューブ分散液のコーティング層（Ｂ）前記（Ａ）層の前記内面とは反対側の面に形成された、オーバーコート樹脂層【選択図】なし
Absstract of: 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.
Absstract of: 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.
Absstract of: JP2025104263A
【課題】本発明は、分散性が良好な導電材分散体を提供すること、および導電ネットワークを十分に構築しつつ厚膜な導電膜を提供することを課題とする。【解決手段】炭素材料（Ａ）と、分散剤（Ｂ）と、有機溶剤（Ｃ）とを含む導電材分散体であり、前記炭素材料（Ａ）が黒鉛（Ａ－１）および黒鉛以外の炭素材料（Ａ－２）を含み、前記黒鉛（Ａ－１）が薄片状黒鉛を含み、前記炭素材料（Ａ）の含有量が導電材分散体の全固形分中、５０質量％以上であり、前記黒鉛（Ａ－１）の含有量が炭素材料（Ａ）１００質量％中、６５～９９質量％であることを特徴とする導電材分散体。【選択図】なし
Absstract of: JP2025101775A
【課題】アルコール系有機溶剤またはケトン系有機溶剤を分散媒体中に含み、黒鉛とカーボンブラックとを高濃度で含有しても、低粘度で流動性に優れた導電性分散体を提供することである。また、黒鉛とカーボンブラックとを含む導電性が良好な導電膜を提供すること。【解決手段】黒鉛、カーボンブラック、分散剤（Ｃ）および媒体（Ｄ）を含む導電性分散体であって、黒鉛は、平均一次粒子径が３～１２μｍである黒鉛（Ａ）を含み、カーボンブラックは、ＢＥＴ比表面積が１３０～１４００ｍ2／ｇであるカーボンブラック（Ｂ）を含み、分散剤（Ｃ）は、両性界面活性剤および／またはポリビニルアセタールを含み、媒体（Ｄ）は、アルコール系有機溶剤またはケトン系有機溶剤を含む、導電性分散体。【選択図】なし
Absstract of: 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
Absstract of: 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.
Absstract of: 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.
Absstract of: 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).
Absstract of: 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).
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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
Nº publicación: US2025206974A1 26/06/2025
Applicant:
SUMITOMO CHEMICAL COMPANY LTD [JP]
Sumitomo Chemical Company, Limited
Absstract of: 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).
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