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POLYMER THICK FILM POSITIVE TEMPERATURE COEFFICIENT CARBON RESISTOR COMPOSITION

Resumen de: WO2025250305A1

A polymer thick film positive temperature coefficient carbon resistor composition is provided. The composition includes an organic medium including a fluoropolymer resin and an organic solvent. The composition includes a conductive carbon powder. The composition exhibits a resistivity of at least 65,000 ohm/sq/25µm when dried for a time of about 1 minute to about 24 hours at a temperature of about 90°C to about 210°C. Methods for forming a positive temperature coefficient circuit are also provided.

ELECTRON TRANSPORT TYPE CONDUCTIVE INK CONTAINING BENZODIFURANONE SUBSTANCE

Resumen de: EP4656694A1

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.

METHOD OF PROVIDING ELECTRICALLY CONDUCTIVE PATTERN, AND CONTROL SYSTEM

Resumen de: WO2025242276A1

A method of providing an electrically conductive pattern (38) on a reference surface (70), the method comprising applying (S12), using at least one printhead (20) including a plurality of individually controlled nozzles (22), an electrically conductive material (26) onto the reference surface (70) to form the electrically conductive pattern (38). The method further comprises applying (S14), using one of the at least one printhead (20), an electrically insulating material (28) onto the reference surface (70) to form an electrically insulating pattern (74); wherein shapes of the electrically conductive pattern (38) and the electrically insulating pattern (74) are complementary to each other. An object (34), a control system (40) and an application system (12) are also provided.

ADDITIVE FOR LITHIUM ION BATTERY AND USE THEREOF

Resumen de: US2025364564A1

Disclosed are an additive for a lithium-ion battery and use thereof. The raw materials of the additive for a lithium ion battery have the following parts by weight: 40-70 parts of first solvent; 1-10 parts of first polymer; 5-15 parts of second polymer; 10-20 parts of small molecule organic amine; and 10-20 parts of stabilizer. The first polymer contains at least one nitrogen-free polar functional group; the second polymer contains at least one nitrogen-containing polar functional group; and the stabilizer is a hydrazine compound. The additive provided in the present disclosure is used in lithium-ion batteries to solve the problem of easy cracking of thick electrodes and difficult dispersion of cathode particles.

CLAIMS METHOD FOR PRODUCING A POLYMER FILM

Resumen de: US2025361420A1

A method for producing a PEDOT film on a substrate comprising a substrate and at least one PEDOT layer on a surface of the substrate is disclosed. The method comprises applying a solution comprising an oxidant and a base inhibitor on a surface of the substrate; subjecting the oxidant-coated substrate to a polymerization step by exposing the surface(s) of the oxidant-coated substrate to EDOT monomer vapour at a polymerization temperature; and wherein, during the polymerization step, the temperature of the oxidant-coated substrate is kept at a controlled substrate temperature and wherein the controlled substrate temperature is 2-40° C. lower than the polymerization temperature. Further is disclosed a conducting PEDOT film, an electronic device comprising the conducting PEDOT film and different uses of the conducting PEDOT film. Further, is disclosed a method for producing a polymer film formed of a copolymer, a conducting polymer film, an electronic device comprising the conducting polymer film and different uses of the conducting polymer film.

개선된 전도성 잉크 조성물

Resumen de: TW202432737A

Improved conductive ink compositions and methods of making and using the conductive ink compositions are provided. The improved conductive ink compositions include a silver complex formed by mixing a silver carboxylate, specifically a silver decanoate isomer, and at least one dissolving agent, in particular where the at least one dissolving agent comprises a terpene, a terpenoid, or a combination thereof. The silver carboxylate of the subject ink compositions is decarboxylated at a temperature of 250 DEG C or less. The conductive ink compositions preferably further comprise a non-acid stabilizer and optionally further comprise an acid stabilizer and/or an adhesion promoter. Methods of making conductive structures, including methods wherein the disclosed compositions are applied to a suitable substrate by various techniques, are also provided.

광학 효과 층을 제조하기 위한 장치 및 프로세스

Nº publicación: KR20250166312A 27/11/2025

Solicitante:

시크파홀딩에스에이

Resumen de: AU2024243132A1

The invention relates to the field of the protection of security documents such as for example banknotes and identity documents against counterfeit and illegal reproduction. In particular, the present invention provides apparatuses and processes for producing optical effect layers (OELs) comprising magnetically oriented, said optical effect layers (OELs) exhibiting not only a dynamic movement but also an eye- catching relief and/or 3D effect upon tilting and may be as anti-counterfeit means on security documents or security articles or for decorative purposes.