Method for preparing ZnO/rectorite/carbon nano tube composite material
A technology of nanocomposite materials and carbon nanotubes, which is applied in the direction of catalyst activation/preparation, nanotechnology, chemical instruments and methods, etc., can solve the problems of separation and recovery difficulties, and achieve the solution of separation and recovery difficulties, simple preparation process and low price Effect
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Embodiment 1
[0021] A preparation method of ZnO / rectorite / carbon nanotube nanocomposite material, the steps are:
[0022] A. Preparation of zinc oxide sol: obtained by reacting hydrazine hydrate and zinc acetate with xylene and ethylene glycol as a mixed solvent at room temperature.
[0023] Weigh 2.1950 g of zinc acetate hydrate with a precision balance, and add it to 100 ml of xylene and 0.04 mol of ethylene glycol mixed solvent. After stirring rapidly, add an appropriate amount of 0.04mol hydrazine hydrate ethanol solution dropwise, and continue stirring for 1 h after the dropwise addition, the solution becomes milky white, and ZnO sol is obtained;
[0024] B. Weigh 0.4050g of pretreated rectorite powder and 0.0405g of purified carbon nanotubes into the ZnO sol, stir rapidly for 5h, let stand at room temperature for 3 or 4 or 5h and then centrifuge to remove the solid precipitate from the solution separated from
[0025] C. Wash the precipitate three times with absolute ethanol and de...
Embodiment 2
[0027] A preparation method of ZnO / rectorite / carbon nanotube nanocomposite material, the steps are:
[0028] 1. Preparation of zinc oxide sol: obtained by reacting hydrazine hydrate and zinc acetate at room temperature with xylene and ethylene glycol as a mixed solvent.
[0029] Weigh 4.3902g of zinc acetate hydrate with a precision balance, and add it to 100ml of xylene and 2.23ml of ethylene glycol mixed solvent. After rapid stirring, 1.94ml of hydrazine hydrate in ethanol (100ml) was added dropwise. After the addition was completed, stirring was continued for 1 h, and the solution turned milky white to obtain ZnO sol.
[0030] 2. Weigh 0.8139g of pretreated rectorite powder and 0.0814g of purified carbon nanotubes into the ZnO sol, stir rapidly for 5h, let stand at room temperature for 3 or 4 or 5h and then centrifuge to remove the solid precipitate from the solution separated out.
[0031] 3. Wash the precipitate three times with absolute ethanol and deionized water resp...
Embodiment 3
[0033] A preparation method of ZnO / rectorite / carbon nanotube nanocomposite material, the steps are:
[0034] 1. Preparation of zinc oxide sol: obtained by reacting hydrazine hydrate and zinc acetate at room temperature with xylene and ethylene glycol as a mixed solvent.
[0035] Weigh 6.6003g of zinc acetate hydrate with a precision balance, and add it to 100ml of xylene and 4.46ml of ethylene glycol (EG) mixed solvent. After rapid stirring, add an appropriate amount of 3.88ml of hydrazine hydrate in ethanol (100ml) dropwise, and continue stirring for 1 h after the addition, the solution becomes milky white, and ZnO sol is obtained.
[0036] 2. Weigh 1.2237g of pretreated rectorite powder and 0.1224g of purified carbon nanotubes into the ZnO sol, stir rapidly for 5h, let stand at room temperature for 3 or 4 or 5h and then centrifuge to remove the solid precipitate from the solution separated out.
[0037] 3. Wash the precipitate three times with absolute ethanol and deionize...
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