Fe3O4@BaTiO3/RGO ternary composite wave-absorbing material and preparation method thereof
A composite wave absorbing material and wave absorbing material technology, applied in chemical instruments and methods, other chemical processes, etc., can solve the problems of uneven coating layer, poor coating effect, easy agglomeration of base core-shell structure, etc. The effect of uniform coverage, excellent dielectric properties and excellent wave absorption properties
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Embodiment 1
[0024] Example 1: BaTiO 3 Fe 3 o 4 Preparation of / RGO ternary composite absorbing material
[0025] (1) Add 40mg of graphite oxide (GO) and 1g of polyethylene glycol 4000 (PEG-4000) to 72mL of ethylene glycol solvent, place them in an ultrasonic cleaner and ultrasonically disperse for 30min to dissolve and mix the reaction substances evenly. Then take 0.27gFeCl 3 ·6H 2 O, 1gNaAc was added into the beaker, and the ultrasonic wave was continued for 30min to dissolve and mix the reactants evenly. Afterwards, the solution was transferred to a 100 mL polytetrafluoroethylene reactor, and the reactor was placed in a constant temperature blast oven, and reacted at 200° C. for 10 h. After the reaction, after the solution was naturally cooled to room temperature, the product was washed three times with deionized water and absolute ethanol solution respectively. The product was dried under vacuum at 40°C for 6 h, and Fe was obtained after grinding 3 o 4 / RGO Nanomaterials.
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Embodiment 2
[0029] Example 2: BaTiO 3 Fe 3 o 4 Preparation of / RGO ternary composite absorbing material
[0030] (1) Add 40mg of graphite oxide (GO) and 1g of polyethylene glycol 4000 (PEG-4000) to 72mL of ethylene glycol solvent, place in an ultrasonic cleaner and ultrasonically disperse for 30min to dissolve and mix the reaction substances evenly. Then take 0.54gFeCl 3 ·6H 2 O, 1gNaAc was added into the beaker, and the ultrasonic wave was continued for 30min to dissolve and mix the reactants evenly. Afterwards, the solution was transferred to a 100 mL polytetrafluoroethylene reactor, and the reactor was placed in a constant temperature blast oven, and reacted at 200° C. for 10 h. After the reaction, after the solution was naturally cooled to room temperature, the product was washed three times with deionized water and absolute ethanol solution respectively. The product was dried under vacuum at 40°C for 6 h, and Fe was obtained after grinding 3 o 4 / RGO Nanomaterials.
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Embodiment 3
[0032] Example 3: BaTiO 3 Fe 3 o 4 Preparation of / RGO ternary composite absorbing material
[0033] (1) Add 40mg of graphite oxide (GO) and 1g of polyethylene glycol 4000 (PEG-4000) to 72mL of ethylene glycol solvent, place in an ultrasonic cleaner and ultrasonically disperse for 30min to dissolve and mix the reaction substances evenly. Then take 0.27gFeCl 3 ·6H 2 O, 1gNaAc was added into the beaker, and the ultrasonic wave was continued for 30min to dissolve and mix the reactants evenly. Afterwards, the solution was transferred to a 100 mL polytetrafluoroethylene reactor, and the reactor was placed in a constant temperature blast oven, and reacted at 200° C. for 10 h. After the reaction, after the solution was naturally cooled to room temperature, the product was washed three times with deionized water and absolute ethanol solution respectively. The product was dried under vacuum at 40°C for 6 h, and Fe was obtained after grinding 3 o 4 / RGO Nanomaterials.
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