Electroconductive polymer composition, electroconductive polymer material, electroconductive substrate, electrode and solid electrolytic capacitor
A conductive polymer and conductive substrate technology, which is applied in the direction of solid electrolytic capacitors, electrolytic capacitors, capacitors, etc., can solve the problems of thickening agent enlargement and coating film conductivity reduction, and achieve the effect of high thickness
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Embodiment 1
[0072] [Preparation of Conductive Polymer Composition]
[0073] Diphenylmethane-4,4'-diisocyanate and N-methyl-2-pyrrolidone were mixed, and the mixture was heated to 50°C to dissolve the diisocyanate. Further, monoamine (methoxy PEG amine, molecular weight 800 to 900) dissolved in N-methyl-2-pyrrolidone was added and vigorously stirred. The mass ratio of diisocyanate and monoamine is 1:7. After that, the temperature was increased to 170°C and kept at 170°C for 30 minutes to complete the reaction. Thus, a polyurea having a methoxy group at its terminal, a weight average molecular weight of 2000, and a urea group content of 6% by mass was obtained.
[0074] Polystyrenesulfonic acid (5 g) having a weight average molecular weight of 50000, 3,4-ethylenedioxythiophene (1.25 g) and iron(III) sulfate (0.125 g) were dissolved in water (50 mL). Air was bubbled into the solution for 24 hours to prepare a polythiophene solution. Synthesized polyurea (weight average molecular weight: ...
Embodiment 2
[0085] In addition to adding synthetic polyurea (weight-average molecular weight: 2000, urea group content: 6% by mass, having a methoxy group at its terminal) (12.0 g) as a thickener to 50 g of polythiophene solution, in the same manner as in the implementation A conductive polymer composition and a conductive substrate were prepared in the same manner as Example 1. The content of urea in the conductive polymer composition was 19% by mass. Also, measurement was performed in the same manner as in Example 1. The results are shown in Table 1.
Embodiment 3
[0087] Diphenylmethane-4,4'-diisocyanate and N-methyl-2-pyrrolidone were mixed, and the mixture was heated to 50°C to dissolve the diisocyanate. Further, monoamine (methoxy PEG amine, molecular weight 1100 to 1200) and diamine (PEG diamine, molecular weight 1100 to 1200) dissolved in N-methyl-2-pyrrolidone were added and vigorously stirred. The mass ratio of diisocyanate, monoamine and diamine is 3:14:7. After that, the temperature was raised to 170°C to complete the reaction. Subsequently, a polyurea having a methoxy group at its terminal, a weight average molecular weight of 4000, and a urea group content of 6% by mass was obtained.
[0088] In addition to adding synthetic polyurea (weight average molecular weight: 4000, urea group content: 6% by mass, having a methoxy group at its terminal) (5.0 g) as a thickener to 50 g of polythiophene solution, in the same manner as in the implementation The conductive polymer composition was prepared in the same manner as Example 1. ...
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