Method for preparing conducting-state polyaniline by sanding
A technology of polyaniline and conductive state, which is applied in the field of preparation of conductive polyaniline, which can solve the problems of difficult control of grinding speed and strength, large amount of water emulsifier, large amount of waste acid, etc., and achieve easy control of reaction speed and reduce The effect of pressure, simple process
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Embodiment 1
[0014] Add 0.02mol of aniline to 26.5ml of 2.9mol / L HCl solution, stir to mix evenly to form aniline hydrochloride solution; add 0.014mol of sodium dodecylbenzenesulfonate to the reactor, and slowly add the above-mentioned aniline salt salt solution, add 6.5g of glass beads with a diameter of 2mm and 6.5g of glass beads with a diameter of 3mm at the same time, and then sand-grind for 30min at a sand-milling speed of 200r / min to make it evenly mixed; add 0.016mol of ammonium persulfate to the above In the reactor, sand mill at a sand mill speed of 200r / min for 5 hours; filter with suction, and wash the filter cake with 0.1 mol / L HCl solution until the filtrate is colorless. After vacuum drying the filter cake at 60°C for 12 hours, take it out and grind it to obtain a conductive state polyaniline. The conductivity was measured with a four-probe conductivity meter to be 3.8 S / cm.
Embodiment 2
[0016] Add 0.02mol of aniline to 26.5ml of 2.9mol / L HCl solution, stir to mix evenly to form aniline hydrochloride solution; add 0.020mol of sodium dodecylbenzenesulfonate to the reactor, and slowly add the above-mentioned aniline salt salt solution, add 6.5g of glass beads with a diameter of 2mm and 6.5g of glass beads with a diameter of 3mm at the same time, and then sand at a sanding speed of 400r / min for 30min to make it evenly mixed; add 0.020mol of sodium persulfate to the above In the reactor, sand mill at 400r / min sand mill speed for 5h; filter with suction, wash the filter cake with 0.1 mol / L HCl solution until the filtrate is colorless, vacuum dry the filter cake at 60°C for 12 hours, take it out and grind it, and then get the conductive state polyaniline. The conductivity measured by a four-probe conductivity meter was 5.3 S / cm.
Embodiment 3
[0018] Add 0.02mol of aniline to 26.5ml of 2.9 mol / L HCl solution, stir to mix evenly to form aniline hydrochloride solution; add 0.022mol of sodium dodecylbenzenesulfonate to the reactor, and slowly add the above-mentioned aniline hydrochloride Salt solution, add 6.5g of glass beads with a diameter of 2mm and 6.5g of glass beads with a diameter of 3mm at the same time, then sand mill for 30min at a sand milling speed of 800r / min to make it evenly mixed; add 0.016mol of sodium persulfate to the above reaction Sand mill for 3 hours at 800r / min sand milling speed; filter with suction, wash the filter cake with 0.1 mol / L HCl solution until the filtrate is colorless, vacuum dry the filter cake at 60°C for 12 hours, take it out and grind it, and obtain the conductive state polyaniline. The conductivity was measured with a four-probe conductivity meter to be 4.1S / cm.
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