Absstract of: WO2021149063A1

A process for preparing surface-modified carbon, comprising adding carbon material to a solution of a reaction product of primary aromatic amine and excess molar amount of nitrite source, and recovering surface-modified carbon bearing redox- active sites. Surface-modified carbon material, electrodes and capacitors based thereon are also provided.

Absstract of: WO2022246120A1

Methods of coating powder coating compositions, particularly metal packaging powder coating compositions, and methods of making a metal packaging container, a portion thereof, or a metal closure for a container, as well as coated substrates and metal packaging, and powder coating composition systems.

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: US2022372300A1

The present invention relates to a pigment for a black electrophoretic display having high electrical insulation and excellent dispersibility in the visible region. An objective of the present invention is to provide black titanium dioxide as a pigment for an electrophoretic display. In addition, another objective of the present invention is to provide an ink composition for an electrophoretic display comprising a black titanium dioxide pigment, and an electrophoretic display.

Absstract of: US2022375694A1

Described herein is a printed photovoltaic cell comprising an anode; an LEP printed cathode; and an LEP printed photovoltaic layer disposed between the anode and the cathode. The photovoltaic layer comprises a material with a perovskite structure having a chemical formula selected from ABX3 and A2BX6 and a thermoplastic resin comprising a copolymer of an alkylene monomer and a monomer having acidic side groups; and/or a copolymer of an alkylene monomer and an ethylenically unsaturated monomer comprising an epoxide; and/or a copolymer of an alkylene monomer, an ethylenically unsaturated monomer comprising an epoxide, and a monomer selected from a monomer having acidic side groups, a monomer having ester side groups and a mixture thereof. The printed cathode comprises: a thermoplastic resin; and electrically conductive metal particles. Also described herein is a method of producing the printed photovoltaic cell and an ink set for use in the method.

Absstract of: US2022375695A1

Described herein is a liquid electrophotographic photovoltaic ink composition comprising: a dispersion of a material with a perovskite structure, a thermoplastic resin and conductive particles in a carrier liquid; wherein the material with a perovskite structure has a chemical formula selected from ABX3 and A2BX6; wherein A is a cation, B is a cation and X is an anion; and wherein the thermoplastic resin comprises: a copolymer of an alkylene monomer and a monomer having acidic side groups; and/or a copolymer of an alkylene monomer and an ethylenically unsaturated monomer comprising an epoxide; and/or a copolymer of an alkylene monomer, an ethylenically unsaturated monomer comprising an epoxide, and a monomer selected from a monomer having acidic side groups, a monomer having ester side groups and a mixture thereof. Also described is a method of producing a photovoltaic cell using the LEP ink and the printed cell produced by the method.

Absstract of: WO2022244781A1

The present invention addresses the problem of providing a conductive pigment paste that has excellent pigment dispersibility and storage stability even as a paste with a high pigment concentration and/or a high viscosity, and that can form a coating film with excellent conductivity etc. The present invention provides a method for manufacturing a conductive pigment paste, the method including a step in which a paste containing a pigment dispersion resin (A), a conductive pigment (B) and a solvent (C) is dispersed by at least one disperser selected from the group consisting of bead mills, homogenizers, ultrasonic dispersers, kneaders, extruders, and planetary mixers. The pigment dispersion resin (A) has at least one polar functional group selected from the group consisting of amide groups, imide groups, ether groups, hydroxyl groups, carboxyl groups, sulfonate groups, phosphate groups, silanol groups, and amino groups. The polar functional group concentration in the pigment dispersion resin (A) is 9-23 mmol/g. The conductive pigment (B) contains carbon nanotubes (B1) and/or a conductive carbon (B2) having an average primary particle size of 10-80 nm. The solubility parameter δA of the pigment dispersion resin (A) and the solubility parameter δC of the solvent (C) have the relationship ｜δA-δC｜<2.1.

Absstract of: WO2021146643A2

A method may include providing a fluid material, solidifying the fluid material, providing a substrate, and depositing the solidified fluid material on the substrate. Providing the fluid material may include providing a mold, and filling the mold with the fluid material. Solidifying the fluid material may include solidifying the fluid material in a mold, and removing the solidified fluid material from the mold. Providing the substrate may include preparing the substrate for deposition of the solidified fluid material, and adjusting the temperature of the substrate. Depositing the solidified fluid material on the substrate may include fixturing the substrate, and loading the solidified fluid material in a deposition tool. The fluid material may include a liquid phase component, and a solid phase component. The solid phase component may include particles suspended in the liquid phase component. The liquid phase component may include a gallium alloy.

Absstract of: US2022363914A1

The present disclosure relates to an aqueous epoxy resin based shop primer comprising: a) a film-forming resin composition comprising: i) an epoxy resin component; and ii) an aqueous carrier; b) an aqueous curing system comprising an epoxy reactive curing agent; wherein the epoxy resin component comprises: an epoxy resin matrix and a rubber modified epoxy resin; and wherein the shop primer is substantially free of zinc. The present disclosure also relates to an article comprising a metal substrate having at least one major surface; and a shop primer layer formed by the above mentioned aqueous epoxy resin-based shop primer directly applied to the major surface.

Absstract of: WO2022240401A1

Described herein is a primer composition comprising water; a polyethyleneimine; an epoxide cross-linker, wherein the epoxide cross-linker comprises at least two epoxide groups; and a dispersant, wherein the dispersant comprises a compound of Formula (I), wherein R1 is a C8 to C20 alkyl group; each R2 is an alkylene group; R3 is selected from a single bond and an alkylene group; each R4 is selected from hydrogen and an alkyl group; and n is an integer of 0 or more. Also described herein is a method of printing on a substrate and a printed substrate.

Absstract of: US2022363916A1

Provided are 5-layered MXene materials having the formulas M5X4Tx; (M′aM″b)X4Tx (where a+b=5); and (M′aM″b)5X4Tx (where a+b=1). Also provided are related methods, compositions, and applications.

Absstract of: US2022363931A1

Electrically conductive ink compositions are provided that comprise at carbon nanomaterials of one-dimensional, two-dimensional, and quasi-three-dimensional nanostructures and/or their combinations, and/or doping with elements such as nitrogen, boron, sulfur, in certain ratios. The carbon nanomaterials are selected from the group consisting of graphene and graphene oxide particles, carbon nanotubes, and graphene aerosol gels.

Absstract of: US2022362976A1

A method produces a substrate shielded from electromagnetic radiation. The method includes i) providing a first polymer material (a) or a precursor thereof containing at least one conductive filler and at least a second polymer material (b) or precursor thereof; ii) obtaining a substrate by subjecting the first polymer material (a) or the precursor thereof and the second polymer material (b) or the precursor thereof to shaping with material bonding of the first polymer material (a) and the second polymer material (b), and polymerizing, if present, the precursors; and iii) at least partially surrounding an electronic component with the substrate obtained in step ii). A polymer component of the first polymer material (a) includes a thermoplastic elastomer or at least one thermoplastic elastomer, selected from the group consisting of, e.g., thermoplastic polyamide elastomers, thermoplastic copolyester elastomers, thermoplastic olefin-based elastomers, thermoplastic styrene block copolymers, polyether block amides, and mixtures thereof.

Absstract of: US2022363932A1

The present disclosure provides a method of manufacturing a conductive coating which includes preparing a conductive powder, preparing a wet conductive powder, preparing a base slurry, and performing a centrifugal mixing process. A graphite and a carbon black are uniformly mixed and performed on a powder refining process to obtain the conductive powder. The conductive powder and an additive are uniformly mixed to obtain the wet conductive powder. A neoprene and a solvent are uniformly mixed and performed on a ball milling process to obtain the base slurry. 45 parts by weight to 55 parts by weight of the wet conductive powder and 45 parts by weight to 55 parts by weight of the base slurry are centrifugal mixed in a centrifugal mixing process at 900 rpm to 1000 rpm to obtain the conductive coating having a viscosity between 55000 cP and 60000 cP.

Absstract of: WO2021048244A1

The present invention relates to semiconducting nanoparticle.

Absstract of: WO2021050641A1

The invention pertains to the field of nanotechnology. The disclosure provides nanostructure compositions comprising (a) at least one organic solvent; (b) at least one population of nanostructures comprising a core and at least one shell, wherein the nanostructures comprise inorganic ligands bound to the surface of the nanostructures; and (c) at least one poly(alkylene oxide) additive. The nanostructure compositions comprising at least one poly(alkylene oxide) additive show improved solubility in organic solvents. And, the nanostructure compositions show increased suitability for use in inkjet printing. The disclosure also provides methods of producing emissive layers using the nanostructure compositions.

Absstract of: WO2021182150A1

A white easy-adhesive polyester film characterized in having a coating layer on at least one surface of a polyester film substrate, the coating layer containing a polyester resin, a polyurethane resin, and a cationic antistatic agent containing nitrogen element, the proportion A (at%) of antistatic agent-derived nitrogen element and the proportion B (at%) of polyurethane resin-derived nitrogen element based on a surface element distribution measurement by X-ray photoelectron spectroscopy in the coating layer satisfying the following relationships (i) and (ii), and the contact angle of the surface of the coating layer with respect to water being 50-70°.　(i): A(at%) > 0.4 (ii): 2.0 ≤ B/A ≤ 5.0

Absstract of: PL437855A1

Sposób wytwarzania i aplikacji powłoki przewodzącej w badaniach polaryzacyjnych szybkości korozji stalowego zbrojenia zwłaszcza w betonowych rdzeniach wyciętych z konstrukcji charakteryzuje się tym, że jedną część wagową rozdrobnionego granulatu polistyrenu o wymiarze cząstek do 10 mm, korzystnie do 1 mm, rozpuszcza się w dwóch częściach wagowych toluenu i dodaje do czterech części wagowych proszku srebra o wymiarze cząstek do 500 µm, korzystnie co najwyżej do 60 µm, następnie tak uzyskaną mieszaninę nanosi się na pobocznicę walcowego rdzenia betonowego (1) z prętem (2) średnicy φ, na pasie (3) szerokości p > 3φ, korzystnie p = 4φ, z pominięciem kołowych obszarów (4) średnicy < 3φ wokół obu powierzchni czołowych prętów i w czasie do 24 godzin w temperaturze powietrza 5° ÷ 40° i wilgotności 30% ÷ 90%, korzystnie w temperaturze 20° i wilgotności 50%, powłoka utwardza się przez odparowanie toluenu.

Absstract of: WO2021175989A1

The invention provides liquid compositions comprising conductive carbon particles and/or carbon nanoparticles, a thickening agent, and a solvent. The carbon nanoparticles are preferably a mixture of graphite nanoplatelets and carbon nanotubes and the thickening agent is preferably a cellulose derivative. The liquid compositions can be used as ink to print highly conductive films that adhere to paper substrates.

Absstract of: WO2021043820A1

The invention relates to electrically conductive nanocomposite particles having a core consisting of a C1-C6 alkyl polyacrylate homopolymer or a C1-C6 alkyl acrylate copolymer and an α,β-unsaturated amide comonomer, a shell comprising a conductive polymer, and a non-ionic surfactant. The invention also relates to a method for producing such particles and to the use thereof for printing on a stretchable substrate.

Absstract of: US2022355377A1

A composition for forming a contiguous conductive feature on a substrate includes silver nanoparticles, a titanium precursor compound, a first non-aqueous polar protic solvent, and a second non-aqueous polar protic solvent. The concentration of the titanium precursor compound in the composition is in a range of 2 vol % to 13 vol %. A method of forming a contiguous conductive feature on a substrate includes dispensing the composition on the substrate to form a contiguous precursor feature and sintering the contiguous precursor feature at a sintering temperature in a range of 300° C. to 500° C. to form the contiguous conductive feature. Example titanium precursor compounds are: titanium(IV) butoxide, titanium(IV) isopropoxide, titanium(IV) chloride, tetrakis(diethylamido)titanium(IV), and dimethyltitanocene.

Absstract of: US2022356365A1

Provided is photo-sintering nano ink. The photo-sintering nano ink includes a photo-sintering precursor including a conductive nano particle and an oxide film surrounding the conductive nano particle, polymer binder resin, and an adhesive.

Absstract of: US2022359824A1

Semiconductor devices comprising: a semiconductor device comprising: a first electrode comprising conductive material, wherein the conductive material is deposited by ink deposition (for example, layered material inks such as graphene and/or graphite), or wherein the conductive material comprises CVD grown graphene or carbon nanotubes; a first charge transportation layer, wherein the first charge transportation layer is doped with the conductive material of the first electrode; an optional insulation layer; a perovskite active layer; a second charge transportation layer; and a second electrode.

Absstract of: WO2021138598A1

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: EP4086923A1

An electrically conductive material comprising at least one polymer; at least one sulfonic acid; and a carbon allotrope material.