| 摘要 |
PROBLEM TO BE SOLVED: To provide a conductive polymer excellent in conductivity and heat resistance, and to provide a solid electrolytic capacitor having high reliability in high temperature and high humidity conditions using the conductive polymer as a solid electrolyte. SOLUTION: The conductive polymer comprises at least one sulfonic acid as a dopant selected from an alkoxy benzenesulfonic acid, an alkoxy naphthalenesulfonic acid and an alkoxy tetralinsulfonic acid including one or more 1-18C alkoxy groups and one or more sulfonic groups. The monomers for synthesizing above conductive polymer preferably include at least one or more monomers selected from pyrrole, thiophene, aniline and derivatives thereof. The solid electrolytic capacitor is composed by using the above conductive polymer as a solid electrolyte. COPYRIGHT: (C)2003,JPO
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