Patent application number | Description | Published |
20100033905 | CONDUCTIVE POLYMER SUSPENSION AND METHOD FOR PRODUCING THE SAME, CONDUCTIVE POLYMER MATERIAL, ELECTROLYTIC CAPACITOR, AND SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING THE SAME - The present invention provides a conductive polymer suspension for providing a conductive polymer material having a high conductivity and a method for producing the same, and in particular, a solid electrolytic capacitor having a low ESR and a method for producing the same. The conductive polymer suspension is produced by: synthesizing a conductive polymer by chemical oxidative polymerization of a monomer giving the conductive polymer by using an oxidant in a solvent containing a dopant consisting of a low-molecular organic acid or a salt thereof; purifying the conductive polymer; and mixing the purified conductive polymer and an oxidant in an aqueous solvent containing a polyacid component. | 02-11-2010 |
20100033906 | CONDUCTIVE POLYMER SUSPENSION AND METHOD FOR PRODUCING THE SAME, CONDUCTIVE POLYMER MATERIAL, ELECTROLYTIC CAPACITOR, AND SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING THE SAME - The present invention provides a conductive polymer suspension for providing a conductive polymer material having a high conductivity and a method for producing the same, and in particular, a solid electrolytic capacitor having a low ESR and a method for producing the same. The conductive polymer suspension can be is produced by: synthesizing a conductive polymer by chemical oxidative polymerization of a monomer giving the conductive polymer by using an oxidant in an aqueous solvent containing a dopant consisting of a low-molecular organic acid or a salt thereof, or a polyacid having a weight average molecular weight of less than 2,000 or a salt thereof. | 02-11-2010 |
20100297340 | METHOD FOR PRODUCING SOLID ELECTROLYTIC CAPACITOR - There is provided a method for producing a solid electrolytic capacitor having an improved capacitance appearance ratio by forming a conductive polymer layer in a few steps. A method for producing a solid electrolytic capacitor obtained by forming solid electrolyte layer | 11-25-2010 |
20100302714 | CONDUCTIVE POLYMER SUSPENSION AND METHOD FOR PRODUCING THE SAME, CONDUCTIVE POLYMER MATERIAL, AND SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING THE SAME - An exemplary aspect of the invention provides a conductive polymer suspension for providing a conductive polymer material with high conductivity and a method for producing the same, and provides a solid electrolytic capacitor with low ESR and a method for producing the same. In an exemplary embodiment, a monomer providing a conductive polymer is subjected to chemical oxidative polymerization in a solvent comprising a dopant of an organic acid or a salt thereof, using an oxidant, to synthesize the conductive polymer; the conductive polymer is purified; the purified conductive polymer and an oxidant are mixed in an aqueous solvent comprising a polyacid; and an imidazole compound is further added to produce a conductive polymer suspension. | 12-02-2010 |
20110019340 | ELECTRICALLY CONDUCTIVE POLYMER SUSPENSION, ELECTRICALLY CONDUCTIVE POLYMER COMPOSITION, SOLID ELECTROLYTIC CAPACITOR, AND METHOD FOR PRODUCING THE SAME - An electrically conductive polymer composition has high electrical conductivity, excellent water resistance, high density, and excellent smoothness. Also disclosed is a solid electrolyte capacitor which is prevented from the reduction in electrical conductivity, has low ESR, and also has excellent reliability. Further disclosed is a method for producing the solid electrolyte capacitor. The electrically conductive polymer composition is produced by removing a dispersion medium from an electrically conductive polymer suspension, wherein the electrically conductive polymer suspension includes: an electrically conductive polymer material including a dopant composed of a polyacid or a salt thereof and an electrically conductive polymer; at least one compound (A) selected from erythritol, xylitol and pentaerythritol; and the dispersion medium. | 01-27-2011 |
20110122546 | CONDUCTIVE POLYMER SUSPENSION AND METHOD FOR PRODUCING THE SAME, CONDUCTIVE POLYMER MATERIAL, ELECTROLYTIC CAPACITOR, AND SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING THE SAME - Provided are a conductive polymer suspension for providing a conductive polymer material having a high conductivity and a method for producing the same, and in particular, a solid electrolytic capacitor having a low ESR and a method for producing the same. The conductive polymer suspension is produced as follows: a conductive polymer is synthesized by chemical oxidative polymerization of a monomer giving a conductive polymer by using an oxidant in a solvent containing a dopant consisting of polysulfonic acid or a salt thereof; the conductive polymer is purified; and the purified conductive polymer is mixed with an oxidant in an aqueous solvent containing a polyacid component. | 05-26-2011 |
20110182002 | CONDUCTIVE POLYMER SUSPENSION AND METHOD FOR PRODUCING THE SAME, CONDUCTIVE POLYMER MATERIAL, AND SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING THE SAME - The present invention provides a conductive polymer suspension for providing a conductive polymer material having high conductivity and a method for producing the same, and particularly provides a solid electrolytic capacitor having low ESR and a method for producing the same. In an emulsion comprising a dopant of a low molecular organic acid or a salt thereof, obtained by emulsifying a monomer providing a conductive polymer, using a nonionic surfactant, in a water, the monomer is subjected to chemical oxidative polymerization, using an oxidant, to synthesize a conductive polymer. The obtained conductive polymer is purified, and then, the purified conductive polymer and an oxidant are mixed in an aqueous solvent containing a polyacid component to produce a conductive polymer suspension. | 07-28-2011 |
20110233450 | CONDUCTIVE POLYMER AND METHOD FOR PRODUCING THE SAME, CONDUCTIVE POLYMER DISPERSION, AND SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING THE SAME - The present exemplary embodiment provides a conductive polymer having high conductivity and a method for producing the same, and a conductive polymer dispersion, and further provides a solid electrolytic capacitor having low ESR and a method for producing the same. A conductive polymer is produced by a method including the steps of dissolving a sulfonic acid group-containing resin having a weight average molecular weight of 2,000 or more and 50,000 or less and a compound represented by the following formula (1) in a solvent; mixing at least one monomer selected from pyrrole, thiophene, and derivatives thereof in an obtained solution; subjecting the monomer to chemical oxidative polymerization, using a persulfate, to obtain a conductive polymer; and washing the conductive polymer to remove the compound represented by the formula (1) contained in the conductive polymer. | 09-29-2011 |
20120120557 | ELECTROCONDUCTIVE POLYMER COMPOSITION, METHOD FOR PRODUCING THE SAME, AND SOLID ELECTROLYTIC CAPACITOR USING ELECTROCONDUCTIVE POLYMER COMPOSITION - An exemplary embodiment of the invention provides an electroconductive polymer composition having high electroconductivity which is suitable for a solid electrolytic capacitor, and provides a solid electrolytic capacitor having low ESR as well as low leakage current (LC). In an exemplary embodiment of the invention, an electroconductive polymer composition having high electroconductivity is formed by drying an electroconductive polymer suspension solution which comprises a polyanion having a cross-linked structure, an electroconductive polymer, and a solvent. In an exemplary embodiment of the invention, a solid electrolytic capacitor having low ESR as well as low LC is obtained by using the electroconductive polymer composition for a solid electrolyte layer that is an electroconductive polymer layer. | 05-17-2012 |
20120256117 | CONDUCTIVE POLYMER SUSPENSION AND METHOD FOR PRODUCING THE SAME, CONDUCTIVE ORGANIC MATERIAL, AND ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING THE SAME - Provided are an electroconductive polymer suspension solution and a method for producing the same, which has excellent adhesion to a substrate and excellent liquid resistance and which can provide an organic material having high electroconductivity. An electroconductive polymer suspension solution of an exemplary embodiment of the invention contains an electroconductive polymer, at least one kind of a water-soluble polyhydric alcohol, and at least one kind of a water-soluble organic substance having two or more functional groups which can be polycondensed with the water-soluble polyhydric alcohol. The electroconductive polymer suspension solution can be produced by collecting an electroconductive polymer which is obtained by chemical oxidative polymerization of a monomer giving the electroconductive polymer by using an oxidant in a solvent containing an organic acid or a salt thereof as a dopant, by contacting the electroconductive polymer with an oxidant in an aqueous solvent containing a polyacid, and further by mixing at least one kind of a water-soluble polyhydric alcohol and at least one kind of a water-soluble organic substance having two or more functional groups which can be polycondensed with the water-soluble polyhydric alcohol. | 10-11-2012 |
20140022706 | ELECTRIC CONDUCTIVE POLYMER AQUEOUS SUSPENSION AND METHOD FOR PRODUCING THE SAME, ELECTRIC CONDUCTIVE ORGANIC MATERIAL, AND SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING THE SAME - An electric conductive polymer aqueous suspension is prepared by dispersing an electric conductive polymer powder whose surface is doped with a polyacid in which the number of anion groups is 50% or more and 99% or less with respect to the number of repeating units of the polyacid. By using the electric conductive polymer aqueous suspension, an organic material excellent in adhesiveness to a substrate and humidity resistance, and high in conductivity, as well as a solid electrolytic capacitor low in ESR and excellent in reliability in a high humidity atmosphere, and a method for producing the same can be provided. | 01-23-2014 |
20140098467 | ELECTROCONDUCTIVE POLYMER, ELECTROCONDUCTIVE POLYMER AQUEOUS SOLUTION, ELECTROCONDUCTIVE POLYMER FILM, SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING THE SAME - An electroconductive polymer having high electroconductivity, an electroconductive polymer aqueous solution, and an electroconductive polymer film are provided. Further, a solid electrolytic capacitor having a reduced ESR and a method for producing the same are provided. An electroconductive polymer according to an exemplary embodiment of the invention contains a monomolecular organic acid having one anion group and one or more hydrophilic group. | 04-10-2014 |
20140211372 | ELECTRIC CONDUCTIVE POLYMER SUSPENSION AND METHOD FOR PRODUCING THE SAME, ELECTRIC CONDUCTIVE POLYMER MATERIAL, AND ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING THE SAME - An electric conductive polymer suspension is produced by performing chemical oxidative polymerization of a monomer for providing an electric conductive polymer by using an oxidant in a solvent containing an organic acid or a salt thereof as a dopant to form an electric conductive polymer, recovering the electric conductive polymer, allowing an oxidant to act on the electric conductive polymer in an aqueous solvent containing a polyacid, and further mixing a dispersant with a branched structure and then pulverizing the electric conductive polymer. According to the electric conductive polymer suspension, an organic material high in conductivity, and excellent in adhesiveness to a substrate and water resistance, and a method for producing the material, as well as an electrolytic capacitor and a method for producing the capacitor can be provided. | 07-31-2014 |
20150077903 | SOLID ELECTROLYTIC CAPACITOR - An electrically conductive polymer composition has high electrical conductivity, excellent water resistance, high density, and excellent smoothness. Also disclosed is a solid electrolyte capacitor which is prevented from the reduction in electrical conductivity, has low ESR, and also has excellent reliability. Further disclosed is a method for producing the solid electrolyte capacitor. The electrically conductive polymer composition is produced by removing a dispersion medium from an electrically conductive polymer suspension, wherein the electrically conductive polymer suspension includes: an electrically conductive polymer material including a dopant composed of a polyacid or a salt thereof and an electrically conductive polymer; at least one compound (A) selected from erythritol, xylitol and pentaerythritol; and the dispersion medium. | 03-19-2015 |