Preparation method of hydrogen elimination material
A technology of hydrogen elimination and nanomaterials, applied in chemical instruments and methods, other chemical processes, etc., can solve the problems of poor hydrogen elimination effect and low hydrogen absorption capacity, reduce agglomeration, increase contact probability, and improve hydrogen elimination reaction rate. Effect
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[0021] Example 1:
[0022] A preparation method of a hydrogen-eliminating material, comprising the following steps:
[0023] Step 1. By weight, add 1 part of carbon nanotubes to 200 parts of fuming nitric acid, stir and react for 3 hours at a temperature of 50°C, then add 30 parts of 4-ethynylaniline, 50 parts of barium nitrite and 2 parts of azo Diisobutyl cyanide, stirred at 150°C, condensed and refluxed for 5 hours, then diluted with distilled water, purified by centrifugation, washed 5 times with organic solvent, and dried under vacuum to obtain alkynylated carbon nanotubes; the centrifugal separation and purification The rotating speed is 10000r / min, the temperature is 15°C, and the time is 10min; the organic solvent used for the organic solvent washing is toluene; the vacuum drying conditions are: temperature 120°C, vacuum degree-0.05MPa, drying time 24 hours;
[0024] Step 2: Disperse 1 part of alkynyl carbon nanotubes in 20 parts of N,N-dimethylformamide by weight, ad...
Example Embodiment
[0026] Example 2:
[0027] A preparation method of a hydrogen-eliminating material, comprising the following steps:
[0028] Step 1. By weight, add 1 part of carbon nanotubes to 500 parts of fuming nitric acid, stir and react for 3 hours at a temperature of 50°C, and then add 50 parts of dimethylpropargylamine, 30 parts of sodium nitrite and 3 parts of isocyanide. Propylbenzene hydroperoxide, stirring at 150°C, condensing and refluxing for 5 hours, then diluting with distilled water, centrifuging and purifying, washing 5 times with an organic solvent, and vacuum drying to obtain alkynylated carbon nanotubes; the centrifugal separation The rotational speed of purification is 12000r / min, the temperature is 15°C, and the time is 10min; the organic solvent used for the organic solvent washing is xylene; the vacuum drying conditions are: temperature 120°C, vacuum degree-0.05MPa, drying time 24 Hour;
[0029] Step 2: Disperse 1 part of alkynyl carbon nanotubes in 30 parts of tolue...
Example Embodiment
[0031] Example 3:
[0032] A preparation method of a hydrogen-eliminating material, comprising the following steps:
[0033] Step 1. By weight, take 1 part of fullerene and add it to 300 parts of fuming sulfuric acid, stir and react for 5 hours at a temperature of 60 ° C, then add 50 parts of dimethylpropargyl amine, 30 parts of magnesium nitrite and 3 parts of bicarbonate. Nitriles were stirred at a temperature of 150°C, condensed and refluxed for 5 hours, then diluted with distilled water, purified by centrifugation, washed 5 times with an organic solvent, and dried in vacuo to obtain alkynylated fullerenes; the centrifugal separation The rotational speed of purification is 12000r / min, the temperature is 25°C, and the time is 10min; the organic solvent used for the organic solvent washing is xylene; the vacuum drying conditions are: temperature 100°C, vacuum degree -0.05MPa, drying time 24 Hour;
[0034] Step 2: Disperse 1 part of alkynylated fullerene in 50 parts of tetrahy...
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