Method for preparing electrically conductive hydrogel
A technology of conductive hydrogel and conductive monomer, which is applied in the field of preparation of conductive hydrogel, can solve the problems of poor mechanical properties and electrochemical properties of conductive hydrogel, achieve excellent mechanical properties and electrochemical properties, and excellent electrical properties. Chemical performance and the effect of less raw material usage
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Embodiment 1
[0025] Add 0.6 g polyvinyl alcohol into 10 mL 1 mol / L (10.1 g) hydrochloric acid aqueous solution, at 85 o Stir at C for 30 minutes to obtain a uniform and stable dispersion; then add 200 μL (0.2 g) aniline and 500 μL (0.483 g) tetrabutyl titanate, respectively, and stir until uniformly dispersed; then add the initiator 5 wt% ammonium persulfate 100 μL (0.005 g) of aqueous solution, stirred evenly and placed at -18 o C refrigerator for 48 hours to obtain the hybrid hydrogel with high mechanical and electrical properties. The compressive strength of the gel is 10.3 MPa, and the specific capacitance is 408 F / g.
Embodiment 2
[0027] The tetrabutyl titanate in Example 1 was replaced with isopropyl titanate (0.397 g), and other conditions were the same, the compressive strength of the prepared hydrogel was 0.03 MPa, and the specific capacitance was 408 F / g.
Embodiment 3
[0029] The tetrabutyl titanate in Example 1 was replaced with titanium tetrachloride (0.266 g), and other conditions were the same, the compressive strength of the prepared hydrogel was 0.05 MPa, and the specific capacitance was 114 F / g.
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