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AssigneeNEC Tokin Corporation
InventorsTomoki Nobuta, Yasuhisa Sugawara, Satoshi Suzuki, Yasuhiro Tomioka
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The present invention provides an electroconductive polymer solution in which the good dispersibility is maintained and the pH is arbitrarily adjusted, and an electroconductive polymer composition having an excellent heat resistance. Further, the present invention provides a solid electrolytic capacitor having an excellent reliability. The present invention is an electroconductive polymer solution, containing an electroconductive polymer in which a dopant is doped, a first compound having an amino group and a hydroxyl group, a second compound having a carboxylic acid group, and a dispersing medium.
An electroconductive polymer solution, comprising:
An electroconductive polymer composition, obtained by forming a compound having a carboxylic acid amide bond and a carboxylic acid ester bond from a first compound having an amino group and a hydroxyl group and a second compound having a carboxylic acid group, wherein the compound having a carboxylic acid amide bond and a carboxylic acid ester bond is laid in an electroconductive polymer matrix or between electroconductive polymer dispersing particles,
Dependencies are inferred from the claim text.