Abstract: The present invention relates to a stabilized monomer composition comprising at least 50 wt.-%, based on the total weight of the stabilized monomer composition, of a thiophene derivative monomer having the general formula (I) in which R1 and R2 stand, independently of one another, for hydrogen, for an optionally substituted C1-C20-alkyl group or C1-C20-oxyalkyl group, optionally interrupted by 1 to 5 oxygen atoms and/or sulfur atoms, or jointly for an optionally substituted C1-C20-dioxyalkylene group or C6-C20-dioxyarylene group, and 0.001 to 10 wt.-%, based on the total weight of the stabilized monomer composition, of a stabilizer. The present invention also relates to a method for the manufacture of a capacitor, a capacitor obtained by this method, the use of a stabilized monomer composition and to the use of a stabilizer.

Abstract: The disclosure describes a monomer having the general formula (I): in which R1 and R2 stand, independently of one another, for hydrogen, for an optionally substituted C1-C20-alkyl group or C1-C20-oxyalkyl group, optionally interrupted by 1 to 5 oxygen atoms and/or sulfur atoms, or jointly for an optionally substituted C1-C20-dioxyalkylene group or C6-C20-dioxyarylene group. The monomer has a color in a range of a Hazen color number determined according to test method described herein of at least 20 to a Gardner color number determined according to test method described herein of not more than 5. The present invention also relates to a method for the manufacture of a capacitor, a capacitor obtained by this method and to the use of a monomer.

Abstract: The invention relates to a process for the production of electrolyte capacitors having a low equivalent series resistance and low residual current for high nominal voltages, electrolyte capacitors produced by this process and the use of such electrolyte capacitors.

Abstract: The invention relates to a process for the production of electrolyte capacitors having a low equivalent series resistance and low residual current, electrolyte capacitors produced by this process and the use of such electrolyte capacitors.

Abstract: The invention relates to a process for producing electrolytic capacitors with low equivalent series resistance, low residual current and high thermal stability, which consist of a solid electrolyte and an outer layer comprising conjugated polymers, to electrolytic capacitors produced by this process and to the use of such electrolytic capacitors.

Abstract: The invention relates to a process for the production of electrolyte capacitors having a low equivalent series resistance and low residual current, electrolyte capacitors produced by this process and the use of such electrolyte capacitors.

Abstract: The invention relates to a process for producing electrolytic capacitors with low equivalent series resistance, to electrolytic capacitors produced by this process and to the use of such electrolytic capacitors.

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 relates to a stabilised monomer composition comprising at least 50 wt.-%, based on the total weight of the stabilised monomer composition, of a thiophene derivative monomer having the general formula (I) in which R1 and R2 stand, independently of one another, for hydrogen, for an optionally substituted C1-C20-alkyl group or C1-C20-oxyalkyl group, optionally interrupted by 1 to 5 oxygen atoms and/or sulfur atoms, or jointly for an optionally substituted C1-C20-dioxyalkylene group or C6-C20-dioxyarylene group, and 0.001 to 10 wt.-%, based on the total weight of the stabilised monomer composition, of a stabiliser. The present invention also relates to a method for the manufacture of a capacitor, a capacitor obtained by this method, the use of a stabilised monomer composition and to the use of a stabiliser.

Abstract: The present invention relates to a monomer having the general formula (I) in which R1 and R2 stand, independently of one another, for hydrogen, for an optionally substituted C1-C20-alkyl group or C1-C20-oxyalkyl group, optionally interrupted by 1 to 5 oxygen atoms and/or sulfur atoms, or jointly for an optionally substituted C1-C20-dioxyalkylene group or C6-C20-dioxyarylene group, wherein the monomer has a colour in a range of a Hazen colour number determined according to test method described herein of at least 20, to a Gardner colour number determined according to test method described herein of not more than 5. The present invention also relates to a method for the manufacture of a capacitor, a capacitor obtained by this method and to the use of a monomer.

Abstract: 3,4-Polyalkylenedioxythiophene dispersions comprising polyanions and cationic 3,4-polyalkylenedioxythiophenes, in particular those of the formula (I) in which n is an integer from 3 to 100, preferably from 4 to 15, and X is —(CH2)x—CR1R2—(CH2)y—, where R1 and R2, independently of one another, are H, an optionally substituted alkyl radical having from 1 to 20 carbon atoms, an aryl radical having from 6 to 14 carbon atoms or —CH2—OR3, where R3=H, alkyl or —CH2—CH2—CH2—SO3H, and x and y are each, independently of one another, an integer from 0 to 9, in which at least 90% of the particles are <50 nm, can be employed in electroluminescent arrangements having a long service life and high luminosity.

Abstract: The invention relates to a method for producing electrolytic capacitors with low equivalent series resistance and low residual current, consisting of a solid electrolyte and an intermediate layer and an outer layer comprising conductive polymers, to electrolytic capacitors produced using this method and also to the use of electrolytic capacitors of this type.

Abstract: Methods of stabilizing thiophene derivatives of the general formula (I) by treatment with basic compounds: wherein R1 and R2 each independently represents a moiety selected from the group consisting of hydrogen, optionally substituted C1-20 alkyl groups which can contain up to 5 heteroatoms selected from the group consisting of oxygen and sulfur, optionally substituted C1-20 oxyalkyl groups which can contain up to 5 heteroatoms selected from the group consisting of oxygen and sulfur, or wherein R1 and R2 together represent a fused cyclic moiety selected from the group consisting of optionally substituted C1-20 dioxyalkylene groups and C1-20 dioxyarylene groups; and stabilized thiophene derivatives that can be prepared by such methods.

Abstract: The invention relates to a process for the production of electrolytic capacitors with low equivalent series resistance and low residual current consisting of a solid electrolyte made of conductive polymers and an outer layer containing conductive polymers, to electrolytic capacitors produced by this process and to the use of such electrolytic capacitors.

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: The invention relates to a process for the production of electrolyte capacitors having a low equivalent series resistance and low residual current, electrolyte capacitors produced by this process and the use of such electrolyte capacitors.

Abstract: Methods of stabilizing thiophene derivatives of the general formula (I) by treatment with basic compounds: wherein R1 and R2 each independently represents a moiety selected from the group consisting of hydrogen, optionally substituted C1-20 alkyl groups which can contain up to 5 heteroatoms selected from the group consisting of oxygen and sulfur, optionally substituted C1-20 oxyalkyl groups which can contain up to 5 heteroatoms selected from the group consisting of oxygen and sulfur, or wherein R1 and R2 together represent a fused cyclic moiety selected from the group consisting of optionally substituted C1-20 dioxyalkylene groups and C1-20 dioxyarylene groups; and stabilized thiophene derivatives that can be prepared by such methods.

Abstract: The invention relates to a process for the production of electrolytic capacitors with low equivalent series resistance and low residual current consisting of a solid electrolyte made of conductive polymers and an outer layer containing conductive polymers, to electrolytic capacitors produced by this process and to the use of such electrolytic capacitors.

Abstract: The invention relates to a process for the production of electrolyte capacitors having a low equivalent series resistance and low residual current for high nominal voltages, electrolyte capacitors produced by this process and the use of such electrolyte capacitors.

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.