A kind of pclt-g-pedot conductive composite and preparation method thereof
A composite, pclt-g-pedot technology, applied in the field of PCLT-g-PEDOT conductive composite and its preparation, can solve the problem of lack of active reactive groups in EDOT monomer, and achieve excellent performance, simple process and good repeatability sexual effect
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Embodiment 1
[0028] Add 8.0 g of anhydrous AlCl to a 500 mL two-neck flask equipped with a condenser tube and a constant pressure titration funnel 3and 100 mL of anhydrous DCM, stirred with a magnetic stirrer for 10 min in an ice-water bath, then added 3.00 g of succinic anhydride that had been dried in advance, and continued to stir for 20 min; dissolved 4.23 g of EDOT in 100 mL of anhydrous DCM, and protected with high-purity nitrogen The constant pressure titration funnel was used to drop slowly, and the drop was completed in 1 h. The whole process was carried out under ice bath; the reaction system was heated to 50 °C, and the reaction was stopped after reflux for 24 h. After cooling to room temperature, 12 mol / L concentrated hydrochloric acid / crush ice for 1 h, the obtained solution was rotary evaporated to remove DCM, and the green filter cake was obtained by suction filtration. The filter cake was dissolved in 300 mL of 1mol / L NaOH solution, and the filtrate was obtained by suction f...
Embodiment 2
[0030] Add EDOTCOOH, 25 mL of anhydrous DCM, and PCLT with a molecular weight of about 900 into the flame-dried flask, stir for 10 min, then add 1.32 g of EDCI and 0.083 g of DAMP, keep stirring and react at room temperature for 36 h under the protection of high-purity nitrogen; Diluted with 100 mL of anhydrous DCM, washed three times with 100 mL of 1 mol / L hydrochloric acid solution, 100 mL of saturated NaHCO 3 The solution was washed three times, and 100 mL deionized water was washed once; then the organic solvent was removed by rotary evaporation to obtain a crude product, which was purified by silica gel column chromatography (MeOH:DCM=1:20) to obtain EDOTCOOH-g-PCLT material.
Embodiment 3
[0032] Dissolve EDOTCOOH-g-PCLT material and EDOT monomer in 20 mL acetonitrile, add 2.8 g 55% iron toluenesulfonate / n-butanol solution, and react with magnetic stirring at 40 ℃ for 24 h; after the reaction stops and returns to room temperature, add ethanol The solution with a volume ratio of 20% to water was centrifuged at a high speed of 5000 rpm for 5 min, filtered, and the precipitate was repeatedly washed with a large amount of pure water for 3 times, and then vacuum-dried in a vacuum oven at 60 °C for 24 h to obtain PCLT with different contents. - Powder of g-PEDOT nanocomposite.
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