Absstract of: US2022251398A1

Provided is a conductive paint that can be cured at a temperature of 110° C. or less and has both excellent conductivity and adhesiveness. The conductive paint includes, per 100 parts by mass of a binder component (A) containing an epoxy resin, 1,000 to 4,000 parts by mass of metal particles (B), 50 to 150 parts by mass of a blocked isocyanate curing agent (C), and 200 to 1,500 parts by mass of a solvent (D).

Absstract of: WO2022167452A1

The build-up of scale on a conductive surface in contact with an aqueous environment is prevented and/or eliminated by coating said surface with a self-polishing or ablative coating system comprising one or more layers, wherein the outermost layer comprises a hydrolysable polymer with conductive elements embedded in said polymer, and wherein said conductive elements comprise conductive particles chosen from carbon-based materials such as graphene particles, carbon nanotubes, carbon black, graphite, activated carbon and metal particles, and combinations thereof, said conductive particles having an average particle size in the interval from 1 nm to 500 µm. Coatings, elements, such as electrodes, and compositions are also disclosed.

Absstract of: US2022256693A1

The development of stretchable, mechanically and electrically robust interconnects by printing an elastic, silver-based composite ink onto stretchable fabric. Such interconnects can have conductivity of 3000-4000 S/cm and are durable under cyclic stretching. In serpentine shape, the fabric-based conductor is enhanced in electrical durability. Resistance increases only ̃5 times when cyclically stretched over a thousand times from zero to 30% strain at a rate of 4% strain per second due to the ink permeating the textile structure. The textile fibers are ‘wetted’ with composite ink to form a conductive, stretchable cladding of the silver particles. The e-textile can realize a fully printed, double-sided electronic system of sensor-textile-interconnect integration. The double-sided e-textile can be used for a surface electromyography (sEMG) system to monitor muscles activities, an electroencephalography (EEG) system to record brain waves, and the like.

Absstract of: WO2021063956A1

The present invention relates to a composition comprising i) at least one polythiophene comprising monomer units of structure (la) or (lb), Formulae (IA) or (Ib) in which * indicates the bond to the neighboring monomer units, X,Z represent O or S, R1-R6 independently from each other represent a hydrogen atom or an organic residue R, with the proviso that at least one of residues R1 to R4 and one of residues R5 and R6 represents an organic residue R; ii) at least one organic compound carrying one or two inorganic acid group(s), preferably one or two sulfonic acid group(s), one or two sulfuric acid group(s), one or two phosphonic acid group(s) or one or two phosphoric acid group(s), or a salt of said organic compound, wherein the molecular weight of the organic compound or the salt thereof is less than 1,000 g/mol; iii) at least one organic solvent. The present invention also relates to a process for preparing a composition, to a composition obtainable by this process, to a layer structure, to a process for the preparation of a layer structure, to a layer structure obtainable by this process, to an electronic component and to the use of composition according to the present invention.

Absstract of: JP2022115037A

【課題】導電膜を形成した際の体積抵抗率が低く、良好な導電性を示すものであり、各種基材に対する密着性が良好であり、保存安定性に優れ、導電性インクや回路接続材料等として有用な導電性樹脂組成物を提供すること。【解決手段】（ａ）銀系金属粉末、銅系金属粉末、アルミニウム系金属粉末、鉄系金属粉末、ニッケル系金属粉末、亜鉛系金属粉末、錫系金属粉末及び金系金属粉末からなる群より選ばれる１種類以上の導電粉末と、（ｂ）ポリビニルブチラール系樹脂と、を含むとともに、（ｃ）レゾール型フェノール系樹脂をポリビニルブチラール系樹脂１００質量部に対して０～７５質量部含む、導電性樹脂組成物。【選択図】なし

Absstract of: WO2022164389A1

Disclosed herein are a flexible textile-based silver electrode and a sweat-activated battery. Also disclosed herein is a method of making the flexible textile-based silver electrode by providing a composite material comprising a flexible textile substrate and a polymeric silver electrode wire, and bringing the composite material into contact with an aqueous solution comprising a non-toxic chloride salt and an organic acid for a period of time, wherein the electrode wire comprising an elastomeric material and silver flakes homogeneously distributed throughout the elastomeric material.

Absstract of: US2022243086A1

There are provided a silver powder, which is able to form an electrically conductive film having a lower resistance value than that of conventional electrically conductive films when the silver powder is used as the material of an electrically conductive paste which is fired to form the electrically conductive film, and a method for producing the same. A first silver powder having one peak or more, at each of which a frequency is a local maximum value in a volume-based particle size distribution obtained by measuring the first silver powder in a dry process by means of a laser diffraction particle size analyzer, is mixed with a second silver powder having two peaks or more, at each of which a frequency is a local maximum value in a volume-based particle size distribution obtained by measuring the second silver powder in a dry process by means of a laser diffraction particle size analyzer, to produce a silver powder having three peaks or more, at each of which a frequency is a local maximum value in a volume-based particle size distribution obtained by measuring the silver powder in a dry process by means of a laser diffraction particle size analyzer, the silver powder having one peak, at which a frequency is a local maximum value in a volume-based particle size distribution obtained by measuring the silver powder in a wet process by means of a laser diffraction scattering particle size analyzer.

Absstract of: US2022241858A1

Methods for making a plurality of microparticles from a reaction solution that includes an organic acid in a solvent are provided. An example aerosol ink includes a plurality of palladium-chromium metallic microparticles dispersed in a solvent system, wherein the plurality of palladium-chromium metallic microparticles include a palladium-chromium alloy.

Absstract of: US2022243083A1

A process for making a conductive ink formulation for jet-printing which uses a fine-tuned molecular weight of hydrolyzed starch particles and using microwave-assisted synthesis to produce a stable, monodisperse, aqueous-based gold ink formulation. This aqueous ink formulation is shown to be highly jettable and forms films which sinter at relatively low temperatures. Printed gold film using the formulation can achieve <1.0 Ω/square sheet resistance upon drying for about 30 minutes and sinters at 200° C. thereby improving its conductivity.

Absstract of: US2022246887A1

An opto-electronic device comprising a nucleation inhibiting coating (NIC) disposed on a surface of the device in a first portion of a lateral aspect thereof; and a conductive coating disposed on a surface of the device in a second portion of the lateral aspect thereof; wherein an initial sticking probability of the conductive coating is substantially less for the NIC than for the surface in the first portion, such that the first portion is substantially devoid of the conductive coating; and wherein the NIC comprises a compound having a formula such as that illustrated by the following formula (I).

Absstract of: US2022248538A1

The present invention relates to a method for forming a metal pattern on a pattern formation section set on a base material. In the present invention, a substrate provided with a fluorine-containing resin layer on a surface of the base material including the pattern formation section is used. The present inventive method for forming a metal pattern includes steps of: forming a functional group on the pattern formation section; and applying a metal ink including an amine compound and a fatty acid as protective agents to the base material surface to fix the metal particles on the pattern formation section. In the present invention, a fluorine-containing resin having a surface free energy measured by the Owens-Wendt method of 13 mN/m or more and 20 mN/m or less is applied as the fluorine-containing resin layer. Further, a metal ink including ethyl cellulose as an additive is applied as the metal ink.

Absstract of: US2022246854A1

A formulation for preparing organic electronic devices, has: a p-type organic semiconductor material, an n-type semiconductor material, and a non-aqueous solvent. The concentration of the p-type organic semiconductor material is in the range from 4 mg/mL to 25 mg/mL per milliliter of solvent and the proportion between the p-type organic semiconductor material and the n-type organic semiconductor material varies from 1:1 to 1:2 by weight.

Absstract of: WO2022165086A1

The present disclosure, in various examples, provides copper nanoparticle conductive inks and methods for making such conductive inks. The conductive ink may be deposited without the need for subsequent annealing. The conductive ink composition may include a slurry of copper nanoparticles in water. The copper nanowires may be made from copper or a copper alloy. The copper nanoparticles may be copper nanowires, such as high aspect ratio copper nanowires. The copper nanoparticles may be encapsulated by nickel, a nickel-rich material, zinc, aluminum, iron, or other metals or metal alloys.

Absstract of: WO2022163045A1

The present invention addresses the problem of providing an electroconductive resin composition that, when formed into an electroconductive film, exhibits a low volume resistivity and an excellent electroconductivity, that has a good adherence for various base materials and an excellent storage stability, and that is useful as, for example, an electroconductive ink or a circuit connection material. Provided as the solution is an electroconductive resin composition comprising (a) at least one electroconductive powder selected from the group consisting of silver-based metal powders, copper-based metal powders, aluminum-based metal powders, iron-based metal powders, nickel-based metal powders, zinc-based metal powders, tin-based metal powders, and gold-based metal powders; (b) a polyvinyl butyral resin; and (c) a resol-type phenolic resin at 0-75 mass parts per 100 mass parts of the polyvinyl butyral resin.

Absstract of: WO2022158617A1

The present invention relates to a conductive polymer solution capable of solvent exchange and having a high work function and high transparency. Conventional conductive polymers having a high work function and high transparency are often limited to water-based types, but a conductive polymer according to the present invention has the advantages of having a high work function and high transparency and being capable of solvent exchange. Therefore, various solvent-based conductive polymers can be prepared and can be flexibly applied to various devices.

Absstract of: US2022235234A1

A diffusing agent composition and a method for producing a semiconductor substrate using the diffusing agent composition. The diffusing agent composition includes an impurity diffusing component which is a phosphorus compound, and a solvent. The phosphorus compound has a stabilization energy of −3 kcal/mol or less, and is in an amount of 80% by mass or more relative to a total solid content in the diffusing agent composition.

Absstract of: US2022239236A1

Described herein are triboelectric energy generators that generally include a first flexible layer having a first electron donating material coated on at least a first surface and an electron accepting material coated over the first electron donating material, and a second flexible layer having a second electron donating material coated on at least a first surface. The first and second layers are positioned adjacent each other with their first surfaces facing inward toward each other and separated by a gap distance. An electric potential is generated upon movement between the first and second flexible layers, such as at least alternating contact and no-contact between the first and second flexible layers. The electron donating material may be provided by a particle-free conductive ink.

Absstract of: EP4032621A1

The purpose of the present invention is to provide a white conductive primer coating composition with which it is possible to form, on a plastic base material, a coating film of high brightness and adequate conductivity. The present invention pertains to an aqueous white conductive primer coating composition that contains a binder component (A) and a carbon nanotube dispersion liquid (B), wherein: a coating film formed with said aqueous white conductive primer coating composition has a L<∗> value of at least 80 according to whiteness based on the CIE color-matching function and has a surface electrical resistivity of 10<8> Ω/□ or lower.

Absstract of: WO2022154312A1

The present invention relates to a method for producing a non-sintered liquid metal ink, and more specifically, to a method for producing a liquid metal ink without a sintering process. The method for producing a liquid metal ink according to an embodiment of the present invention comprises the steps of: (a) introducing a solvent into a room-temperature liquid metal contained in a container; (b) subjecting the liquid metal of step (a) to a deoxidation film treatment; and (c) dispersing the liquid metal, which has undergone step (b), in the form of nanoparticles by means of an ultrasonic treatment.

Absstract of: WO2022152830A1

The present invention is directed to a shear-thinning gel composition for producing a dry, water-stable and electronically conductive ink, comprising (a) dispersed electrically conductive graphite flake particles and (b) at least one further type of electronically conductive particles selected from carbon black and conductive pyrolyzed plant carbon components in a specific ratio of (a) to (b) as well as (c) a dissolved binder based on or consisting of shellac dissolved in a suitable solvent, where-in the ratio of the total of the electrically conductive particles (a)+(b) and the dissolved binder (c) and the weight proportion of the electrically conductive particles in the composition are specified.The invention further relates to the dried and electronically conductive inks, methods for producing the gel compositions and the use of these gel compositions for preparing, optionally ink-jet printing or robocasting 2D or 3D print products, in particular for preparing electronic devices, such as, for example, flexible electronic devices, biosensors, logic and memory devices, supercapacitors, batteries, flexible batteries, capacitive sensors, RFID tags, and smart packaging.

Absstract of: WO2022154312A1

The present invention relates to a method for producing a non-sintered liquid metal ink, and more specifically, to a method for producing a liquid metal ink without a sintering process. The method for producing a liquid metal ink according to an embodiment of the present invention comprises the steps of: (a) introducing a solvent into a room-temperature liquid metal contained in a container; (b) subjecting the liquid metal of step (a) to a deoxidation film treatment; and (c) dispersing the liquid metal, which has undergone step (b), in the form of nanoparticles by means of an ultrasonic treatment.

Absstract of: US2022228015A1

A conductive paste composition includes a conductive powder (A) and a resin component (B). A silver-based powder containing at least silver is used as the conductive powder (A), at least one of a thermosetting resin and a thermoplastic resin is used as the resin component (B). The conductive paste composition further contains a specific ester-based compound (C) having a molecular weight within a range of 150 to 2000 or a specific ether/amine-based compound (D) having a molecular weight within the range of from 150 to 30,000.

Absstract of: AU2020419333A1

Described are electromagnetic shields comprising a substrate, a conductive additive, and a binder incorporated with the conductive additive and deposited on the substrate, and methods of making thereof.

Absstract of: EP3733792A1

A method of preparing a conductive silver pattern on a substrate comprising the steps of:- applying a silver ink on the substrate to form a silver pattern, and- sintering the applied silver pattern in one step at a temperature of at least 50°C and a relative humidity (RH) of at least 50 %.

Absstract of: JP2022106695A

【課題】インクとして分散安定性が高く、基板上で抵抗の低い導電性パターンを形成すること。【解決手段】本発明の分散体（１）は、酸化銅（２）と、分散剤と、還元剤と、分散媒と、を含み、前記分散媒が、メタノール、エタノール、１－プロパノール、イソプロピルアルコール、１－ブタノール、イソブチルアルコール、２－ブタノール、２－メチル－２－プロパノール、エチレングリコール、ジエチレングリコール、プロピレングリコール、グリセリン、酢酸、及び水からなる群から選択される少なくとも３種であることを特徴とする。【選択図】図１