Abstract:
The present invention relates to novel processes for preparing an aqueous or nonaqueous dispersion or solution comprising at least one conductive polymer and at least one polyanion, characterized in that the polymerization is performed at a pressure below atmospheric pressure, to aqueous or nonaqueous dispersions or solutions prepared by this process and to the use thereof.
Abstract:
The present invention relates to a novel process for preparing an aqueous or nonaqueous dispersion or solution comprising at least one conductive polymer and at least one polyanion, characterized in that the polymerization is performed with ultrasound irradiation, to aqueous or nonaqueous dispersions prepared by this process and to the use thereof.
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:
Capacitors comprising a dielectric at least partly covering the surface of an electrode material and forming an anode body are described. The anode body may be at least partly coated with a solid electrolyte comprising a conductive polymer. The capacitor comprises at least one polyglycerol, where the ratio of the amount of polyglycerol (Mpg) to the amount of conductive polymer (Mpolymer) in the capacitor is Mpg/Mpolymer>0.15, and the polyglycerol contains more than 50 wt. % of a mixture of tri- and tetraglycerol, based on the total weight of the polyglycerol. Processes for the production of a capacitor, an electronic circuit and use of a capacitor in a dispersion are also described.
Abstract:
A process for the production of a layered body S2 (1), comprising the process steps: i) provision of a layered body S1 (2) comprising a substrate (3) and an electrically conductive layer (4) which is applied to the substrate (3) and comprises an electrically conductive polymer P1; ii) bringing of at least a first region Du (7) of the electrically conductive layer (4) into contact with a composition Z1 for reduction of the electrical conductivity of this first region Du (7), wherein the electrically conductive layer (4) has a temperature in a range of from more than 40 to 100° C. during the bringing into contact.
Abstract:
The present invention relates to coatings comprising electrically conductive polymers and flavones, their production and use, and dispersions for the production of such coatings.
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:
Described is a process for the production of a layered body S2 comprising: i. provision of a layered body S1 comprising a substrate and an electrically conductive layer which is applied to the substrate and comprises an electrically conductive polymer P1; ii. partial covering of a part of the electrically conductive layer with a covering layer D, comprising a polymer P2 contained therein, from a covering phase to obtain at least one covered region Dd and at least one non-covered region Du of the electrically conductive layer; iii. reduction of the electrical conductivity of the electrically conductive layer in at least a part of the at least one non-covered region Du compared with the electrical conductivity of the electrically conductive layer in the at least one covered region Dd; iv. at least partial removal of the covering layer D by an alkaline aqueous treatment.
Abstract:
The present invention relates to a novel process for preparing an aqueous or nonaqueous dispersion or solution comprising at least one conductive polymer and at least one polyanion, characterized in that the polymerization is performed with ultrasound irradiation, to aqueous or nonaqueous dispersions prepared by this process and to the use thereof.
Abstract:
The present invention relates to coatings comprising electrically conductive polymers and esters of gallic acid and sugars, their production and use, and dispersions for the production of such coatings.