Direct-writing preparation method of hollow carbon nanosphere/Al/Fe2O3-based nano thermite
A nanosphere and hollow carbon technology, applied in nanocarbon, nanotechnology, nanotechnology and other directions, can solve the problems of heat absorption and poor heat transfer performance, and achieve the effect of simple operation and good universality.
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[0030] Example 1:
[0031] Hollow carbon nannosphere / Al / Fe 2 O 3 The direct writing method of the base nano-aluminum heat agent, including the following steps:
[0032] Step 1, 0.32GAL and 1.6G Fe 2 O 3 In 50 ml of n-hexane, stirred, ultrasonic, resulting in a uniform suspension, and the suspension is vacuum dried to obtain a dry powder mixture; the ultrasonic power is 35 kHz, the power is 300W;
[0033] Step 2, the dry powder mixture was mixed with 1.6 g of nitrocellulose solution (14 wt%), grinded to obtain a slurry; grinding using a stirred grinder, the abrasive temperature is 10 ° C, the grinding time is 120 min, the abrasive speed is 1200R / min ;
[0034] Step three, dry the slurry through 0.5mm nozzle oil ink, dry, to obtain a hollow carbon nannosphere / Al / Fe 2 O 3 Base nano-aluminum thermostat (HCS-0).
Example Embodiment
[0035] Example 2:
[0036] Hollow carbon nannosphere / Al / Fe 2 O 3 The direct writing method of the base nano-aluminum heat agent, including the following steps:
[0037] Step 1, 0.016g hollow carbon nanosphere, 0.32GAL and 1.6G Fe 2 O 3 In 50 ml of n-hexane, stirred, ultrasound, to obtain a uniform suspension, dry dry powder vacuum, to obtain a dry powder mixture; the ultrasonic power is 35 kHz, the power is 300W; the preparation method of the hollow carbon nanosphere is: 35mmol nan 3 The mixture of 1.6 g of fluorinated graphite is added to the high pressure reactor, and then the mixture is heated, in N 2 The atmosphere was raised to 320 ° C and maintained at this temperature until the pressure and temperature were deflated due to exotherm, naturally cooled, collecting the product, washed 3 times with distilled water, and dried at 60 ° C for 24 h, resulting in hollow carbon nanospheres;
[0038] Step 2, the dry powder mixture was mixed with 1.6 g of nitrocellulose solution (14 ...
Example Embodiment
[0040] Example 3:
[0041] Hollow carbon nannosphere / Al / Fe 2 O 3 The direct writing method of the base nano-aluminum heat agent, including the following steps:
[0042] Step 1, 0.032G hollow carbon nanosphere, 0.32GAL and 1.6G Fe 2 O 3In 50 ml of n-hexane, stirred, ultrasound, to obtain a uniform suspension, dry dry powder vacuum, to obtain a dry powder mixture; the ultrasonic power is 35 kHz, the power is 300W; the preparation method of the hollow carbon nanosphere is: 35mmol nan 3 The mixture of 1.6 g of fluorinated graphite is added to the high pressure reactor, and then the mixture is heated, in N 2 The atmosphere was raised to 320 ° C and maintained at this temperature until the pressure and temperature were deflated due to exotherm, naturally cooled, collecting the product, washed 3 times with distilled water, and dried at 60 ° C for 24 h, resulting in hollow carbon nanospheres;
[0043] Step 2, the dry powder mixture was mixed with 1.6 g of nitrocellulose solution (14 w...
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