A kind of water-soluble carbon nanotube and its application
A carbon nanotube, water-soluble technology, used in carbon compounds, medical preparations containing active ingredients, inorganic chemistry, etc. And the effect of good chemical stability and rich source of raw materials
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Embodiment 1
[0035] 1) Weigh 119mg of carbon nanotubes, put them into a flask, add 120ml of mixed acid solution consisting of sulfuric acid with a mass concentration of 98% and nitric acid with a mass concentration of 65-68% in a volume ratio of 3:1, and then add 12ml of a mass concentration It is a 30% hydrogen peroxide solution, sonicated in a 300W ultrasonic cleaner for 1 hour, diluted with ultrapure water, filtered using a 0.45 μm microporous membrane and a Buchner funnel, and continuously rinsed with ultrapure water to pH =7, put it into an oven and dry at a constant temperature of 80°C to obtain carboxylated carbon nanotubes;
[0036] 2) Weigh 50mg of carboxylated carbon nanotubes, add 20ml of ethylenediamine, then add 1g of N,N'-dicyclohexylcarbodiimide, put it in a flask, ultrasonically disperse it for 10min, put it in an oil bath, Stir at 120°C and 100 r / min, condense and reflux for 48 hours, after the reaction, cool the reactant to room temperature, filter 10 times with a 0.22 μm...
Embodiment 2
[0039] 1) Weigh 110mg of carbon nanotubes, put them into a flask, add 120ml of mixed acid solution consisting of sulfuric acid with a mass concentration of 98% and nitric acid with a mass concentration of 65-68% in a volume ratio of 3:1, and then add 12ml of a mass concentration It is a 30% hydrogen peroxide solution, sonicated in an ultrasonic cleaner with a power of 350W for 1 hour, diluted with ultrapure water, filtered using a 0.45 μm microporous membrane and a Buchner funnel, and continuously rinsed with ultrapure water to pH =7, put it into an oven and dry at a constant temperature of 80°C to obtain carboxylated carbon nanotubes;
[0040] 2) Weigh 45mg of carboxylated carbon nanotubes, add 20ml of 1,6-hexanediamine, then add 1g of N,N'-dicyclohexylcarbodiimide, put it in a flask, ultrasonically disperse it for 10min, and put it in an oil bath In the pot, stir at 120°C and 100 r / min, condense and reflux for 48 hours, after the reaction, cool the reactant to room temperatu...
Embodiment 3
[0043] 1) Weigh 125mg of carbon nanotubes, put them into a flask, add 120ml of mixed acid solution consisting of sulfuric acid with a mass concentration of 98% and nitric acid with a mass concentration of 65-68% in a volume ratio of 3:1, and then add 12ml of a mass concentration It is a 30% hydrogen peroxide solution, sonicated in a 400W ultrasonic cleaner for 1 hour, diluted with ultrapure water, filtered using a 0.45 μm microporous membrane and a Buchner funnel, and continuously rinsed with ultrapure water to pH =7, put it into an oven and dry at a constant temperature of 80°C to obtain carboxylated carbon nanotubes;
[0044] 2) Weigh 50mg of carboxylated carbon nanotubes, add 20ml of 1,3-propanediamine, then add 1g of N,N'-dicyclohexylcarbodiimide, put it in a flask, ultrasonically disperse it for 10min, and put it in an oil bath In the pot, stir at 120°C and 100 r / min, condense and reflux for 48 hours, after the reaction, cool the reactant to room temperature, filter it wi...
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Abstract
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