Preparation method of carbon nanotube/polyaniline nanoparticle with negative dielectric constant
A technology of negative dielectric constant and carbon nanotubes, which is applied in the field of preparation of carbon nanotubes/polyaniline nanoparticles, can solve the problem of inability to synthesize polymer materials with negative dielectric constant, and achieve the effect of ensuring uniformity
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Embodiment 1
[0015] Example 1: This embodiment is a method for preparing carbon nanotubes / polyaniline nanoparticles with a negative dielectric constant, which is carried out according to the following steps:
[0016] 1. Preparation of dispersion A: Weigh 0.03 mol of hydrochloric acid, 0.024 mol of potassium permanganate and 1% multi-walled carbon nanotubes, and add them into 300 ml of water. Ultrasonic dispersion for 40 minutes (power 320W) to fully disperse the oxidant, protonic acid and multi-walled carbon nanotubes in water.
[0017] 2. Preparation of dispersion B: 0.036mol aniline (An) dispersed in 60ml of water, An dispersion in ice-water mixture, ultrasonic 60min, power 320W.
[0018] 3. Preparation of carbon nanotubes / polyaniline nanoparticles: the dispersion A was placed in the ice-water mixture contained in the crystallization dish, and the crystallization dish was placed on a magnetic stirrer stirring at a speed of 500 r / min. When the temperature of the dispersion is lower than ...
Embodiment
[0023] Embodiment: This embodiment is a preparation method of carbon nanotubes / polyaniline nanoparticles with a negative dielectric constant, which is carried out according to the following steps:
[0024] 1. Preparation of dispersion A: Weigh 0.03 mol of hydrochloric acid, 0.024 mol of potassium permanganate and 10% multi-walled carbon nanotubes, and add them into 300 ml of water. Ultrasonic dispersion for 40 minutes (power 320W) to fully disperse the oxidant, protonic acid and multi-walled carbon nanotubes in water.
[0025] 2. Preparation of dispersion B: 0.036mol aniline (An) dispersed in 60ml of water, An dispersion in ice-water mixture, ultrasonic 60min, power 320W.
[0026] 3. Preparation of carbon nanotubes / polyaniline nanoparticles: the dispersion A was placed in the ice-water mixture contained in the crystallization dish, and the crystallization dish was placed on a magnetic stirrer stirring at a speed of 1000 r / min. When the temperature of the dispersion is lower t...
Embodiment 3
[0031] Example 3: This embodiment is a method for preparing carbon nanotubes / polyaniline nanoparticles with a negative dielectric constant, which is carried out according to the following steps:
[0032] 1. Preparation of dispersion A: Weigh 0.03 mol of nitric acid, 0.024 mol of potassium dichromate and 15% multi-walled carbon nanotubes, and add them into 300 ml of water. Ultrasonic dispersion for 40 minutes (power 320W) to fully disperse the oxidant, protonic acid and multi-walled carbon nanotubes in water.
[0033] 2. Preparation of dispersion B: 0.036mol aniline (An) dispersed in 60ml of water, An dispersion in ice-water mixture, ultrasonic 60min, power 320W.
[0034] 3. Preparation of carbon nanotubes / polyaniline nanoparticles: the dispersion A was placed in the ice-water mixture contained in the crystallization dish, and the crystallization dish was placed on a magnetic stirrer stirring at a speed of 800 r / min. When the temperature of the dispersion is lower than 10°C, a...
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