Abstract: A photographic material comprising a transparent film support having on one side at least one light-sensitive layer and on the other side a transparent magnetic layer and an antistatic layer of a polythiophene arranged above or below said transparent magnetic layer shows transparency and good mechanical and antistatic properties.

Abstract: A process for through-hole plating of two-layer circuit boards and multilayers using polythiophenes as a conductive agent on the side walls of through-holes for the direct through-hole plating and to the circuit boards and multilayers thus produced.

Abstract: Antistatically treated plastic moldings which contain two layers on the surface to be antistatically treated, the layer situated nearer the plastic surface being an antistatic layer and the more remote layer being a protective layer of a radiation-curing coating composition which is cured by exposure to ionizing radiation, are distinguished by excellent antistatic properties and very good surface properties.

Abstract: Antistatically treated plastic formed articles, e.g. photographic film supports, that contain at least two layers on the surface to be antistatically treated, wherein a layer nearer to the plastic surface contains a preparation of a polythiophene that is built up from structural units of the formula ##STR1## wherein R.sub.1 and R.sub.2 independently of each other 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 group, preferably a methylene group optionally substituted by alkyl groups, a 1,2-ethylene group optionally substituted by C.sub.1 -C.sub.12 -alkyl or phenyl groups, a 1,3-propylene group or a 1,2-cyclohexylene group,and a polyanion, a farther layer contains a film-forming polymer and at least one of the two layers contains an alkoxysilane, are characterized, apart from excellent antistatic properties, by very good layer adhesion.

Abstract: A sheet or web material comprising a hydrophobic resin support or paper support coated with at least one hydrophobic resin layer wherein said resin support or resin layer is coated with a transparent antistatic layer containing as an essential component a polythiophene with conjugated polymer backbone in the presence of a polymeric polyanion compound, characterized in that said antistatic layer is coated with an overlying adhering barrier layer applied from an aqueous polymer dispersion wherein the dispersed polymer has hydrophilic functionality sufficient to render said overlying layer adherent to a thereon coated hydrophilic colloid-containing layer.

Abstract: Iron oxide pigments are made stable against oxidation and discoloration by a coating process. Preferred coating compounds are maleic acid hydrazide and phthalic acid.

Abstract: The invention relates to dispersions of polythiophenes made up of structural units corresponding to the following formula ##STR1## in which R.sub.1 and R.sub.2 independently of one another represent hydrogen or a C.sub.1-4 alkyl group or, together, form an optionally substituted C.sub.1-4 alkylene group,in the presence of polyanions, to the production of these dispersions and to their use for the antistatic treatment of plastic mouldings.

Abstract: This invention relates to polyarylene sulphides (PAS) containing certain nitro compounds with reduced flash formation.

Abstract: Polyhydantoins useful in coating materials, films, adhesives and moldings are prepared by reacting polyfunctional .alpha.-aminocarboxylic acids, organic polyiso(thio)cyanates and carboxylic acid compounds in the presence of a condensed aromatic hydrocarbon at a temperature of 0.degree. to 500.degree. C.

Abstract: The invention relates to new polythiophenes containing structural units of the formula ##STR1## in which A denotes an optionally substituted C.sub.1 -C.sub.4 -alkylene radical,their preparation by oxidative polymerization of the corresponding thiophenes and the use of the polythiophenes for imparting antistatic properties on substrates which only conduct electrical current poorly or not at all, in particular on plastic mouldings, and as electrode material for rechargeable batteries.

Abstract: The invention relates to mercaptopyrenes of the formula ##STR1## in which n denotes a whole number from 3 to 10 andR stands for a substitute or unsubstituted alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl or aryl radicalto a process for its preparation, its use for the preparation of CT complexes and to the CT complexes obtained.

Abstract: Polyhydantoins of the type mentioned may be prepared by reacting initially in a first step, bis-glycine esters with between 1 and 2 moles of diisocyanate per mole of bis-glycine ester in a liquid reaction medium, and after forming the polyurea from this bis-glycine ester and the diisocyanate, by further reacting in a second step with an amount of a monoglycine ester equivalent to the residual amount of isocyanate end groups, and finally by carrying out the cyclocondensation to give the polyhydantoin by removing hydroxyl compounds.

Abstract: The invention relates to new polythiophenes containing structural units of the formula ##STR1## in which A denotes an optionally substituted C.sub.1 -C.sub.4 -alkylene radical, their preparation by oxidative polymerization of the corresponding thiophenes and the use of the polythiophenes for imparting antistatic properties on substrates which only conduct electrical current poorly or not at all, in particular on plastic mouldings, and as electrode material for rechargeable batteries.

Abstract: The invention relates to new polythiophenes containing structural units of the formula ##STR1## in which A denotes an optionally substituted C.sub.1 -C.sub.4 -alkylene radical,their preparation by oxidative polymerization of the corresponding thiophenes and the use of the polythiophenes for imparting antistatic properties on substrates which only conduct electrical current poorly or not at all, in particular on plastic mouldings, and as electrode material for rechargeable batteries.

Abstract: Improved iron oxide pigments useful in the manufacture of magnetic recording carriers or for coloring inorganic or organic materials are iron oxide pigments having an iron (II) content of at least 5% by weight calculated as FeO after-treated with a phenolic compounds of the formula ##STR1## wherein X is O or NH, andR is straight chained or branched alkyl with 1 to 30 carbon atoms, alkenyl with 2 to 30 carbon atoms, cycloalkyl with 5 to 12 carbon atoms, or hydrogen.

Abstract: The invention relates to the use fo polythiophenes which are built up from structural 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 or a 1,2-cyclohexylene radical, solid electrolytes in electrolyte capacitors, and to the electrolyte capacitors containing these solid electrolytes.

Abstract: The invention relates to a method for the production of shaped plastic parts which are provided with an antistatic adhesive thermoplastic coating; according to the method, the adhesive thermoplastic coating is coated with a solution which contains a binder and a suitable oxidant for the oxidative polymerization of 5- or 6-membered heterocyclic compounds which have nitrogen or sulphur as heteroatoms, and the coating thus obtained is treated with a solution of the 5- or 6-membered heterocyclic compound.

Abstract: The invention relates to a process for the preparation of plastic mouldings, preferably plastic films, antistatically treated with a transparent layer of polypyrrole; the process is characterized by a certain combination of special measures which are coordinated with one another.

Abstract: An improved magnetic dispersion for magnetic recording which comprises magnetic pigment, abrasive, carbon black or another additive for regulating conductivity, binder, solvent, lubricant, and wetting agent, wherein the improvement comprises quantities of wetting agent, lubricant, or both being between at least 100 to 140% of the individually determined saturation adsorptions of the wetting agent and lubricant, with the proviso that the minimum quantity of wetting agent or lubricant is 80% of the individually determined saturation adsorption.

Abstract: The invention relates to plastics materials of high electrical conductivity containing TCNQ complexes and stabilized against the emission of HCN and to mouldings, films and coatings of such materials, as well as to the use of the plastics material for the production of antistatic foils and coatings onto substrate.