Abstract: Principles and embodiments of the present invention relates to a process for the production of a transparent electrode, comprising the process steps: I) provision of a transparent substrate layer, II) application of a grid structure comprising a plurality of bars of metal or at least comprising metallic particles to the substrate layer, III) application of a dispersion comprising at least one polythiophene, at least one polymer having SO3?M+ groups, at least one fluorinated or perfluorinated polymer having SO3?M+ groups, and at least one dispersing agent, wherein M+ represents H+, Li+, Na+, K+ or NH4+, to the transparent substrate layer provided with the grid structure, and IV) at least partial removal of the dispersing agent resulting in obtaining a transparent electrode. Principles and embodiments of the present invention also relates to a transparent electrode obtainable by this process, a transparent electrode, an electronic component and a dispersion.

Abstract: Described is a layered structure and a process for the production thereof, comprising at least one polarizer layer; at least one conductor layer, comprising a conductive polymer, wherein the at least one conductor layer has a surface resistance in a range of from 10?4 to 500 ?/square.

Abstract: The invention relates to novel polythiophene-polyanion complexes which are soluble or dispersible in nonpolar organic solvents, and to the use thereof.

Abstract: An aqueous dispersion used for producing a conductive film is provided. The dispersion contains a complex of poly(3,4-dialkoxythiophene) and a polyanion, and is produced by polymerizing 3,4-dialkoxythiophene in an aqueous solvent in the presence of the polyanion by using peroxodisulfuric acid as an oxidizing agent or by using an oxidizing agent and an acid that is employed so as to lower pH of the reaction mixture.

Abstract: An aqueous dispersion used for producing a conductive film is provided. The dispersion contains a complex of poly(3,4-dialkoxythiophene) and a polyanion, and is produced by polymerizing 3,4-dialkoxythiophene in an aqueous solvent in the presence of the polyanion by using peroxodisulfuric acid as an oxidizing agent or by using an oxidizing agent and an acid that is employed so as to lower pH of the reaction mixture.

Abstract: Aqueous polymeric dispersions comprising a mixture of: (a) a component selected from the group consisting of polyvinylacetates, polyvinylacetate copolymers, and combinations thereof; and (b) SiO2 particles having an average particle diameter of 1 to 400 nm; their use as adhesives and coatings; processes for preparing such dispersions; and substrates coated and/or adhered therewith.

Abstract: The invention relates to a process for the purification of thiophenes by means of precipitation. The purified thiophenes are liquid at room temperature, have a purity of at least 99.50 wt. %, and are represented by the following general formula (I), wherein R1 and R2 independently of each other are, for example, a linear or branched C1-C20-alkyl group, or together form a fused C1-C20-dioxyalylene ring. The process involves: (I) precipitating the thiophene by cooling a solution of the thiophene and at least one solvent; or (II) precipitating the thiophene by adding the thiophene to a cooled solution of solvent and optionally the thiophene. The solutions are cooled to a temperature below the melting point of the thiophene.

Abstract: The invention relates to novel polythiophene-polyanion complexes which are soluble or dispersible in nonpolar organic solvents, and to the use thereof.

Abstract: Process for preparing specific oxidants which in mixtures with precursors for preparing conductive polymers display a long processing time during the polymerization; oxidants obtainable by this process; mixtures comprising such specific (retarding) oxidants and the use of said oxidants for preparing solid electrolyte capacitors and conductive layers.

Abstract: The present invention provides a method for the production of an aqueous dispersion containing an electroconductive polymer component which enables electroconductive thin films which are outstanding in their transparency and electroconductivity to be formed, together with the aqueous dispersion obtained by said method. This method includes a stage in which a 3,4-dialkoxythiophene is polymerized in an aqueous solvent using an oxidizing agent in the presence of a polyanion and, in this stage, said oxidizing agent is added by the dropwise addition of a solution or dispersion containing said oxidizing agent to the reaction solution or, alternatively, in the polymerization stage, the alkali metal ion concentration in the reaction liquid is maintained at no more than 400 ppm.

Abstract: The production of electrically conductive polythiophenes by reaction of 2,5-dihalogen-3,4-ethylene dioxythiophenes with 3,4-ethylene dioxythiophenes in a solvent or liquid phase is provided. These polythiophenes can be used as a plastic or lacquer additive to provide antistatic properties.

Abstract: The invention relates to novel macromolecular compounds having a core-shell structure and also their use in electronic components.

Abstract: The present invention relates to particles with core-shell structure comprising an acid-functionalized core based on an inorganic material and a shell comprising at least one conductive polythiophene, to dispersions comprising such particles and to the preparation and use thereof.

Abstract: The invention is related to a process for preparing polythiophenes. The polythiophenes are prepared by oxidatively polymerizing a thiophene or thiophene derivative with an oxidizing agent, wherein the oxidizing agent used is at least one hypervalent iodine compound. The invention further relates to a process for producing dispersions and a process for producing conductive layers.

Abstract: The invention relates to a process for the purification of thiophenes by means of precipitation. The purified thiophenes are liquid at room temperature, have a purity of at least 99.50 wt. %, and are represented by the following general formula (I), wherein R1 and R2 independently of each other are, for example, a linear or branched C1-C20-alkyl group, or together form a fused C1-C20-dioxyalylene ring. The process involves: (I) precipitating the thiophene by cooling a solution of the thiophene and at least one solvent; or (II) precipitating the thiophene by adding the thiophene to a cooled solution of solvent and optionally the thiophene. The solutions are cooled to a temperature below the melting point of the thiophene.

Abstract: The present invention provides a new process for separating zirconium and hafnium compounds, in particular to remove traces of zirconium compounds from hafnium compounds, using fractional crystallisation, as well as hafnium compounds obtainable in accordance with this process.

Abstract: Oligomeric compounds of the general formula (M), mixtures thereof and electronic components containing the same: wherein L represents a linear conjugated oligomeric chain; wherein each RA and each RB independently represents a moiety selected from the group consisting of linear or branched C2-C20-alkylene radicals, C3-C8-cycloalkylene radicals, mono- or polyunsaturated C2-C20-alkenylene radicals, C2-C20-oxyalkylene radicals, C2-C20-aralkylene radicals or C2-C20-oligo- or C2-C20-polyether radicals; wherein XA and XB each independently represents a moiety selected from optionally substituted vinyl groups, chlorine, iodine, hydroxyl, alkoxy groups having 1 to 3 carbon atoms, alkoxysilyl groups, silyl groups, chlorosilyl groups, siloxane groups, carboxyl groups, methyl or ethyl carbonate groups, aldehyde groups, methylcarbonyl groups, amino groups, amido groups, sulphone groups, sulphonic acid groups, halosulphonyl groups, sulphonate groups, phosphonic acid groups, phosphonate groups, trichloromethyl, tribrom

Abstract: The present invention provides a method for the production of an aqueous dispersion containing an electroconductive polymer component which enables electroconductive thin films which are outstanding in their transparency and electroconductivity to be formed, together with the aqueous dispersion obtained by said method. This method includes a stage in which a 3,4-dialkoxythiophene is polymerized in an aqueous solvent using an oxidizing agent in the presence of a polyanion and, in this stage, said oxidizing agent is added by the dropwise addition of a solution or dispersion containing said oxidizing agent to the reaction solution or, alternatively, in the polymerization stage, the alkali metal ion concentration in the reaction liquid is maintained at no more than 400 ppm.

Abstract: Macromolecular compounds having a core-shell structure are described. Also described is a process for preparing such macromolecular compounds, and their use as semiconductors in electronic structural elements.

Abstract: The present invention relates to special, novel tantalum and niobium compounds, the use thereof for the deposition of tantalum- or niobium-containing layers by means of chemical vapour deposition and the tantalum- or niobium-containing layers produced by this process.