A high-yield, green synthesis method for conductive polyaniline
A conductive polyaniline, green synthesis technology, applied in the field of conductive polyaniline synthesis, can solve the problems of environmental protection, waste of resources, etc., and achieve the effects of saving resources, high utilization rate of waste liquid, and high yield
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Embodiment 1
[0044] A high-yield, green synthesis method of conductive polyaniline, comprising the following steps:
[0045] (a) Dissolve the organic protonic acid in water and place it in a three-necked flask, add aniline monomer and oxidant at a stirring speed of 500rpm, the reaction temperature is 0°C, and the reaction time is 10h, wash and filter the obtained substance with water and ethanol , to obtain the 0th filtrate and No. 0 polyaniline powder, the organic protonic acid is toluenesulfonic acid, and the concentration of the organic protonic acid is 0.7mol / L;
[0046] (b) Take the 0th filtrate described in step (a) and place it in a three-necked flask, then add aniline monomer and oxidant at a stirring speed of 500rpm, the reaction temperature is 0°C, and the reaction time is 10h, and the obtained The substance was washed and filtered with water and ethanol to obtain the first filtrate and No. 1 polyaniline powder;
[0047] (c) Take the first filtrate described in step (b) and plac...
Embodiment 2
[0065] A high-yield, green synthesis method of conductive polyaniline, comprising the following steps:
[0066] (a) Dissolve the organic protonic acid in water and place it in a three-necked flask, add aniline monomer and oxidant at a stirring speed of 1000rpm, the reaction temperature is 30°C, and the reaction time is 5h, wash and filter the obtained substance with water and ethanol , to obtain the 0th filtrate and No. 0 polyaniline powder, the organic protonic acid is benzoic acid, and the concentration of the organic protonic acid is 0.7mol / L;
[0067] (b) Take the 0th filtrate described in step (a) and put it in a three-necked flask, add aniline monomer and oxidant at a stirring speed of 1000rpm, the reaction temperature is 30°C, and the reaction time is 5h, the obtained The substance was washed and filtered with water and ethanol to obtain the first filtrate and No. 1 polyaniline powder;
[0068] (c) Take the first filtrate described in step (b) and place it in a three-n...
Embodiment 3
[0072] A high-yield, green synthesis method of conductive polyaniline, comprising the following steps:
[0073] (a) Dissolve the organic protic acid in water and place it in a three-necked flask, add aniline monomer and oxidant at a stirring speed of 500rpm, the reaction temperature is 30°C, and the reaction time is 10h, wash and filter the obtained substance with water and ethanol , to obtain the 0th filtrate and No. 0 polyaniline powder, the organic protonic acid is camphorsulfonic acid, and the concentration of the organic protonic acid is 0.7mol / L;
[0074] (b) Take the 0th filtrate described in step (a) and put it in a three-necked flask, add aniline monomer and oxidant at a stirring speed of 500rpm, the reaction temperature is 30°C, and the reaction time is 10h, the obtained The substance was washed and filtered with water and ethanol to obtain the first filtrate and No. 1 polyaniline powder;
[0075] (c) Take the first filtrate described in step (b) and place it in a t...
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