Abstract: The invention relates to a process for the production of electrolyte capacitors having a low equivalent series resistance and low residual current, and which comprise a solid electrolyte of conductive polymers and an outer layer comprising conductive polymers applied in the form of a dispersion. Electrolyte capacitors produced by this process and the use of such electrolyte capacitors are also provided.

Abstract: A light-projector that enable its own de-icing or removal of condensation water therefrom and thus suitable as, among others headlights, rear lights and other illuminating devices in motor vehicles is disclosed. The structure of the light projector includes a housing having a light-exit aperture, a lens covering the aperture, and a light source. The cover lens includes at least one transparent electrically conductive layer.

Abstract: Polythiophenes which are soluble or dispersible in anhydrous or low-water-content solvents can be prepared if they are prepared in anhydrous or low-water-content solvents and a phase-transfer catalyst is added during the reaction.

Abstract: A process for the preparation of dispersions or solutions comprising polythiophene+An? ion complexes in anhydrous or low-water-content organic solvents, characterized in that at least one water-miscible organic solvent or a water-miscible solvent mixture is added to an aqueous dispersion or solution comprising optionally substituted polythiophenes, all or some of the water is removed, and the resultant dispersion or solution is, if desired, diluted with organic solvents.

Abstract: A process for the preparation of dispersions or solutions comprising polythiophene+An? ion complexes in anhydrous or low-water-content organic solvents, characterized in that at least one water-miscible organic solvent or a water-miscible solvent mixture is added to an aqueous dispersion or solution comprising optionally substituted polythiophenes, all or some of the water is removed, and the resultant dispersion or solution is, if desired, diluted with organic solvents.

Abstract: Electrolytic capacitors having low equivalent series resistance and low leakage current are described. The electrolytic capacitors include a solid electrolyte layer of a conductive material in particular a conductive polymer, and an outer layer that includes binders, polymeric anions and conductive polymers (e.g., polythiophenes). Also described is a method of preparing electrolytic capacitors that involves forming the conductive polymer of the solid electrolyte layer in situ by means of chemical oxidative polymerization or electrochemical polymerization. Electronic circuits that include the electrolytic capacitors are also described.

Abstract: Transparent functional layers of conductive polymers, their production and their use in optical constructions.

Abstract: Electroluminescent arrangements that are shapeable are described. The electroluminescent arrangement includes, in superposed sequence: (a) at least one transparent carrier film; (b) at least one transparent electrode; (c) at least one electroluminescent layer; (d) at least one dielectric layer; and (e) at least one counter-electrode. In addition, the electroluminescent arrangement: (I) further includes a conductive electrode layer containing at least one conductive polymer that is (i) superposed over the exterior surface of the counter-electrode, or (ii) interposed between the dielectric layer and the counter-electrode; or (II) the counter-electrode thereof is a conductive electrode layer containing at least one conductive polymer. Also described are shaped articles comprising the electroluminescent arrangement, and methods of preparing such shaped articles.

Abstract: Disclosed are compositions/formulations that include: polythiophenes (A) containing recurring units represented by the following general formula (I), in which is, for example, —CH2—CH2—; and two additional polymers (B) and (C), each having SO3?M+ or COO?M+ functional groups. Also disclosed are electroluminescent arrangements having hole-injecting layers containing the disclosed compositions.

Abstract: Electrolyte capacitors containing certain polythiophenes are described. More particularly, the polythiophenes have backbones containing repeating units of the following general formula (I) and/or repeating units of the following general formula (II), wherein A is, for example, a C1-C5-alkylene radical, R is, for example, a C1-C18-alkyl radical, and x is an integer from 0 to 8. Also described are dispersions comprising such polythiophenes, and the use of such polythiophenes or dispersions thereof for producing conductive layers.

Abstract: The invention relates to a process for the preparation of &pgr;-conjugated polymers by (1) complexing a monomeric compound with a cyclodextrin, and (2) polymerizing the complexed compound using a chemical oxidant.

Abstract: Transparent moldings comprising a polymeric base material and at least one coating formed thereon is disclosed. The coating includes a primer coat that containing an epoxy and/or acrylic resin is disposed on at least one surface of the base material, a heat-absorbing coating which contains a polythiophene compound and a scratch-resistant coating. In an additional embodiment of the invention, the coating contains no primer and the heat absorbing coating contains a polythiophene compound.

Abstract: The invention relates to a process for preparing water-soluble &pgr;-conjugated polymers by polymerizing, in aqueous solution using an oxidant, monomeric thiophene derivatives of formula (I) wherein X and Y are identical or different and are O, S, or N—R′, Z is —(CH2)m—CR2R3—(CH2)n—, R1 is aryl, C1-C18-alkyl, or hydrogen, R2 is hydrogen or —CH2)s—O—(CH2)p—SO3−M+, R3 is —(CH2)s—O—(CH2)p—SO3−M+, M+ is a cation, m and n are identical or different and are an integer from 0 to 3, s is an integer from 0 to 10, and p is an integer from 1 to 1.

Abstract: Process for the production of transparent, electrically conductive polythiophene layers having a specific conductivity of at least 500 S/cm by polymerization of a thiophene or of a mixture of various thiophenes by chemical oxidation, where the oxidants employed are iron(III) salts of alicyclic sulphonic acids, to layers obtainable in this way and to the use thereof.

Abstract: A process for the preparation of 3,4-alkylenedioxythiophene-2,5- dicarboxylic acid derivatives selected from the group consisting of compounds of the general formulae IV and V: comprising carrying out at least 2 steps in accordance with formula scheme 1 without isolation of intermediates, wherein R1, R2, R3 and R4 are identical or different and are a linear or branched, optionally substituted alkyl radical having 1 to 20 carbon atoms, A is lithium, sodium or potassium, and Hal is fluorine, chlorine, bromine or iodine, wherein the formula scheme 1 comprises:

Abstract: A process for the preparation of dispersions or solutions comprising polythiophene+An− ion complexes in anhydrous or low-water-content organic solvents, characterized in that at least one water-miscible organic solvent or a water-miscible solvent mixture is added to an aqueous dispersion or solution comprising optionally substituted polythiophenes, all or some of the water is removed, and the resultant dispersion or solution is, if desired, diluted with organic solvents.

Abstract: Transparent moldings comprising a polymeric base material and at least one coating formed thereon is disclosed. The coating includes a primer coat that containing an epoxy and/or acrylic resin is disposed on at least one surface of the base material, a heat-absorbing coating which contains a polythiophene compound and a scratch-resistant coating. In an additional embodiment of the invention, the coating contains no primer and the heat absorbing coating contains a polythiophene compound.

Abstract: 3,4-Polyalkylenedioxythiophene dispersions comprising polyanions and cationic 3,4-polyalkylenedioxythiophenes, in particular those of the formula (I) 1

Abstract: Electroluminescent assemblies containing a substrate, an anode, an electroluminescent element and a cathode, where at least one of the two electrodes is transparent or semitransparent in the visible spectral region and the electroluminescent element can contain in order:

Abstract: A shaped plastic part and a flexible film with a protected conductor track, in particular made from copper, are described, as is a process for their production. The shaped plastic part or the flexible film is composed at least of a plastic film (1) as backing layer, and of a metalizable primer layer (2) applied thereto, and of a structured, metallic electrically conducting layer (3), in particular electrical conductor tracks, applied to the primer layer (2), where an additional outer film (4) or a plastic article (6) has been firmly connected to the composite made from backing layer (1), primer layer (2) and from conducting layer (3) in such a way that the outer film (4) or the plastic article (6) covers at least part of the conducting layer (3).