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: The invention relates to an electroluminescent assembly containing, as hole injection layer, a polymeric organic conductor that has been applied either from solution or from a dispersion and contains particles having a particle size of less than 1 &mgr;m.

Abstract: Electroluminescing arrangement containing hole-injecting and/or electron-injecting layers, the polymeric organic conductors being chosen from the group consisting of polyfurans, polypyrroles, polyanilines, polythiophenes and polypyridines.

Abstract: A process for the preparation of dialkoxythiophenes and alkylene-dioxythiophenes in high purity and very good yields by decarboxylation of dialkoxythiophene-dicarboxylic acids or alkylenedioxythiophenedicarboxylic acids, respectively, in solvents that have a higher boiling point than the product and contain no nitrogen bases.

Abstract: The present invention relates to a screen printing paste having a viscosity of from 1 to 200 dPas, comprising a solution or dispersion of a conductive polymer and optionally binders, thickeners and fillers, and to the use thereof for the production of electrically conductive coatings.

Abstract: A process for the preparation of 3,4-alkylenedioxythiophene-2,5-dicarboxylic acid derivatives of the general formulae IV and V 1

Abstract: A process for the preparation of dialkoxythiophenes and alkylene-dioxythiophenes in high purity and very good yields by decarboxylation of dialkoxythiophene-dicarboxylic acids or alkylenedioxythiophenedicarboxylic acids, respectively, in solvents that have a higher boiling point than the product and contain no nitrogen bases.

Abstract: The present invention relates to mixtures of conducting organic polymers and reaction products of polyfunctional organosilanes, conducting organic-inorganic hybrid materials obtained therefrom, and their use for coating surfaces.

Abstract: Electrochromic assemblies having a layer structure, characterized in that one layer is an electrically conductive, electrochromic polydioxythiophene and a further layer comprises as ion storage compounds selected from the group consisting of the formulae (I) to (VI) Me1O2  (I), Me22O5  (II), LixMe1O2  (III), LixMe22O5  (IV), LixMe1O2+x/2  (V), LixMe22O5+x/2  (VI), where Me1 and Me2 are each a metal of transition group III, IV and V of the Mendeleev Periodic Table, and x is from 0.001 to 5.

Abstract: Coatings of electrically conductive polythiophene salts, polythiophene.sup.+ /An.sup.-, and hydrolyzable silanes, wherein the polythiophene group contains positively charged and uncharged recurring units of the formula (I): ##STR1## where, n is an integer from 5 to 100, andR.sub.1 and R.sub.2, independently of one another, represent hydrogen, an optionally substituted alkyl group having 1 to 20 carbon atoms, --CH.sub.2 --OH, or an aryl group having 6 to 14 carbon atoms, orR.sub.1 and R.sub.2, together, represent an optionally substituted alkylene group having 1 to 20 carbon atoms, andAn.sup.- means a polyanion,and wherein the silanes have been hydrolyzed in the presence of the conductive polythiophene salts, and the use thereof for the production of scratch-resistant electrically conductive coatings.

Abstract: Mixtures ofA) neutral polythiophenes of formula (I), ##STR1## wherein R.sub.1 and R.sub.2 separately from one another represent hydrogen or a C.sub.1-4 alkyl group or together form an optionally substituted C.sub.1-4 alkylene radical, preferably a methylene radical optionally substituted by alkyl groups, an ethylene-1,2 radical optionally substituted by C-.sub.1-12 alkyl or phenyl groups, or a cyclohexylene-1,2 radical, andB) organic compounds containing dihydroxy or polyhydroxy and/or carboxyl groups or amide groups or lactam groups,as well as transparent, electrically conducting coatings made therefrom and electroluminescent systems containing a conductive layer produced from the abovementioned mixtures as the electrode.

Abstract: Mixture of a polythiophene preparation which contains a polythiophene salt polythiophene.sup..sym. An.sup..crclbar. in which the polythiophene contains positively charged and uncharged recurring units of the formula ##STR1## in which R.sub.1 and R.sub.2 independently of one another stand for hydrogen or a C.sub.1 -C.sub.4 alkyl group or together form an optionally substituted C.sub.1 -C.sub.4 alkylene radical, preferably a methylene radical optionally substituted with alkyl groups, an ethylene-1,2 radical optionally substituted with C.sub.1 -C.sub.12 alkyl groups or phenyl groups, a propylene-1,3 radical or a cyclohexylene-1,2 radical, andAn.sup..crclbar. denotes a polyanion,and coating compositions which are curable by ionising radiation, and the use thereof in order to produce scratch-resistant electrically conductive coatings.

Abstract: Thermally and mechanically formable polymer film, characterised by a transparent antistatic coating of a mixture of 3,4-polyethylene dioxythiophene with a thermally or mechanically formable binder, its production and its use for packaging electronic components.

Abstract: Rigid or flexible circuits of electrically conductor tracks can be produced on flexible or rigid, non-conductive support materials bya) coating the surfaces of the support materials including existing drill holes with a primer and a conductive polymer, preferably poly-3,4-ethylendioxythiophene, which may contain binders,b) applying an electroplating resist in the form of the negative image of the conductor tracks,c) metallizing by electroplating the surface kept free by the electroplating resist, including existing drill holes, in the form of the positive image of the conductor tracks,d) removing the electroplating resist ande) removing the conductive polymer, which had been below the electroplating resist, or converting it to a non-conductive form, wherein the conductor tracks are electrically interconnected during the metallizing step by the layer of conductive polymer, thereby avoiding the need to individually contact each conductor track.

Abstract: A metal-coated film can be produced continuously from a non-conducting film by successive electroless and galvanic metallization in such a way that a film of this kind is subjected, in a continuous "roll-to-roll" process, to the following operations:a) applying a metallizable primer,b) drying the applied primer,c) conditioning the applied primer,d) optionally activating the applied primer,e) treatment with an electroless chemical metallizing bath,f) optional treatment with a first rinsing liquid,g) treatment with a galvanic metallizing bath,h) treatment with a second rinsing liquid, andi) optional heat treatment of the metallized film.

Abstract: The invention relates to a process for the electrostatic lacquering of non-conductive surfaces. For this purpose, a layer of a conductive organic polymer from the class of the polypyrroles, polyanilines or polythiophenes is applied to the surface and this layer is then electrostatically lacquered.

Abstract: Mixtures ofA) neutral polythiophenes of formula (I), ##STR1## wherein R.sub.1 and R.sub.2 separately from one another represent hydrogen or a C.sub.1-4 alkyl group or together form an optionally substituted C.sub.1-4 alkylene radical, preferably a methylene radical optionally substituted by alkyl groups, an ethylene-1,2 radical optionally substituted by C.sub.1-12 alkyl or phenyl groups, or a cyclohexylene-1,2 radical, andB) organic compounds containing dihydroxy or polyhydroxy and/or carboxyl groups or amide groups or lactam groups,as well as transparent, electrically conducting coatings made therefrom and electroluminescent systems containing a conductive layer produced from the abovementioned mixtures as the electrode.

Abstract: The present invention relates to iron oxide pigments with an Fe(II) content of at least 5 wt. %, calculated as FeO, which have at least one inorganic after-treatment layer and at least one organic after-treatment coating, a process for preparing these iron oxide pigments and their use.

Abstract: Process for through-hole plating of printed circuit boards and multilayers by applying a conductive layer of a polythiophene onto the walls of the through-holes and electrodeposition of copper onto the walls of the through-holes, characterized in that a microemulsion of a monomeric thiophene of the formula (I) is used to form the conductive polythiophene layer, ##STR1## in which X denotes oxygen or a single bond,R.sub.1 and R.sub.2 mutually independently denote hydrogen or a C.sub.1 -C.sub.4 alkyl group or together form an optionally substituted C.sub.1 -C.sub.4 alkylene residue or a 1,2-cyclohexylene residue,and in that the conductive layer of polythiophene is produced on the walls of the through-holes by subsequent or simultaneous treatment with acid and, finally, a metal is electro-deposited on this conductive base.

Abstract: Thiophene derivatives of formula (I) ##STR1## wherein X and Y are the same or different O, S or N--R.sup.3,Z is a C.sub.1 -C.sub.6 -alkylene residue that may be substituted by R.sup.1 and R.sup.2,R.sup.1, R.sup.2 are the same or different hydrogen, or --(CH.sub.2).sub.n --OR.sup.4, --CH.dbd.CH.sub.2 or ##STR2## n is 1 to 10, R.sup.3 is aryl, C.sub.1-18 -alkyl or H,R.sup.4 is SO.sub.3.sup.- (H.sup.+,Na.sup.+,K.sup.+,Li.sup.+) or --(CH.sub.2 --CH.sub.2 --O).sub.m --R.sup.5,m is 1 to 10 andR.sup.5 is alkyl with 1 to 6 C atoms,wherein compounds in which X and Y are both O and R.sup.1 and R.sup.2 are both hydrogen atoms are excluded, are suitable for the preparation of polythiophenes which can be used as organic electrical conductors.