A kind of polyacrylonitrile-polyaniline composite film and its preparation method and application
A technology of polyacrylonitrile and polyaniline, which is applied in the field of polyacrylonitrile-polyaniline composite membrane and its preparation, can solve the problems of high cost of use, and achieve the effects of low cost of use, high recovery rate, and safe and reliable use
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Embodiment 1
[0040] (1) Weigh 15 parts of ammonium persulfate to make 10% ammonium persulfate solution and 5 parts of dilute hydrochloric acid solution with a mass concentration of 0.05% for use; put 10 parts of aniline in a beaker, and then slowly add the aforementioned dilute hydrochloric acid solution React with ammonium persulfate solution at 40°C for 40 minutes; finally use a circulating water type multi-purpose vacuum pump to perform suction filtration and dry at 80°C to obtain dark green polyaniline.
[0041] (2) Put 2 parts of polyaniline and 10 parts of polyacrylonitrile prepared in (1) into a beaker, then add 800 parts of N,N-dimethylformamide into the beaker, and then place the beaker on a magnetic heating stirrer Heat and stir for 10 minutes until the polyaniline and polyacrylonitrile are completely dissolved in N,N-dimethylformamide.
[0042] (3) Pour the above mixed solution into a petri dish, and then place the petri dish on a constant temperature water bath for constant tem...
Embodiment 2
[0045] (1) Weigh 30 parts of ammonium persulfate to make 30% ammonium persulfate solution and 10 parts of dilute hydrochloric acid solution with a mass concentration of 5% for later use;
[0046] Put 10 parts of aniline in a beaker, then slowly add the aforementioned dilute hydrochloric acid solution and ammonium persulfate solution; then react at 80°C for 80 minutes; finally use a circulating water type multi-purpose vacuum pump to perform suction filtration and dry at 100°C to obtain dark green polyaniline .
[0047](2) Put 50 parts of polyaniline and 10 parts of polyacrylonitrile prepared in (1) in a beaker, then add 2000 parts of N,N-dimethylformamide into the beaker, and then place the beaker on a magnetic heating stirrer Heat and stir for 20 minutes until the polyaniline and polyacrylonitrile are completely dissolved in N,N-dimethylformamide.
[0048] (3) Pour the above mixed solution into a petri dish, and then place the petri dish on a constant temperature water bath ...
Embodiment 3
[0051] (1) Weigh 20 parts of ammonium persulfate to make 15% ammonium persulfate solution and 6 parts of dilute hydrochloric acid solution with a mass concentration of 0.25% for use; put 10 parts of aniline in a beaker, and then slowly add the aforementioned dilute hydrochloric acid solution React with ammonium persulfate solution at 60°C for 50 minutes; finally use a circulating water type multi-purpose vacuum pump to perform suction filtration and dry at 85°C to obtain dark green polyaniline.
[0052] (2) Put 5 parts of polyaniline and 10 parts of polyacrylonitrile prepared in (1) in a beaker, then add 1000 parts of N,N-dimethylformamide into the beaker, and place the beaker on a magnetic heating stirrer Heat and stir for 15 minutes until the polyaniline and polyacrylonitrile are completely dissolved in N,N-dimethylformamide.
[0053] (3) Pour the above mixed solution into a petri dish, and then place the petri dish on a constant temperature water bath for constant temperatu...
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