DOPANT SOLUTION FOR ELECTROCONDUCTIVE POLYMER, OXIDIZING AGENT AND CONCURRENTLY DOPANT SOLUTION FOR ELECTROCONDCTIVE POLYMER, ELECTROCONDCTIVE COMPOSITION AND SOLID ELECTROLYTIC CAPACITOR
申请人:Tayca Corporation
公开号:EP1873182A1
公开(公告)日:2008-01-02
The present invention provides: a dopant solution for an electroconductive polymer characterized in that it comprises at least one selected from the group consisting of alkylamine salts and imidazole salts of benzene skeleton sulfonic acids and naphthalene skeleton sulfonic acids, having at least one OH group and at least one sulfonate group, at a concentration of 40 mass % or more; an oxidant and dopant solution for an electroconductive polymer including a mixture of the organic salt of the dopant as mentioned above, and a persulfate organic salt as an oxidant; an electroconductive composition including an electroconductive polymer prepared by using the oxidant and dopant solution as mentioned above; and solid electrolytic capacitor using the electroconductive composition as a solid electrolyte. The electroconductive composition has an improved electric conductivity, and the solid electrolytic capacitor has an improved reliability for a long time.
本发明提供了一种用于导电聚合物的掺杂剂溶液,其特征在于,该溶液包含至少一种选自由苯 骨架磺酸和萘骨架磺酸的烷基胺盐和咪唑盐组成的组中的一种,它们具有至少一个 OH 基团和至少一个磺酸基团,浓度为 40 质量%或以上;用于导电聚合物的氧化剂和掺杂剂溶液,包括上述掺杂剂有机盐和作为氧化剂的过硫酸盐有机盐的混合物;导电组合物,包括使用上述氧化剂和掺杂剂溶液制备的导电聚合物;以及使用该导电组合物作为固体电解质的固体电解电容器。该导电组合物具有更高的导电性,固体电解电容器具有更高的长期可靠性。