A preparation method of conductive polyaniline nanocomposite microwave absorbing material
A microwave absorbing material, conductive polyaniline technology, applied in the field of functional materials, can solve the problems of weak absorption strength, high density, narrow frequency band, etc., and achieve the effect of easy operation, wide frequency band, and high reflection loss
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Embodiment 1
[0035] The specific operation steps for preparing conductive polyaniline nanocomposite microwave absorbing material are as follows:
[0036] (1) Preparation of manganese dioxide and ferric oxide composite materials
[0037]Disperse 0.05406 g of manganese dioxide into 70 mL of the mixed solution, and ultrasonicate for 30 min; then add 0.5406 g of ferric chloride hexahydrate, dissolve evenly; add 0.24 g of sodium hydroxide, stir evenly, transfer the above mixed solution into a hydrothermal kettle In 180 °C, react for 12 h; at 60 °C, vacuum dry for 12 h to obtain a composite material of manganese dioxide and ferric oxide;
[0038] The 70 mL mixed solution is made by mixing 20 mL ethylene glycol and 50 mL deionized water;
[0039] (2) Preparation of conductive polyaniline nanocomposite microwave absorbing materials
[0040] Add 0.0255 g of the composite material into 70 mL of deionized water, ultrasonically disperse for 30 min, add 1.9233 g of dodecylbenzenesulfonic acid, stir m...
Embodiment 2
[0045] The specific operation steps for preparing conductive polyaniline nanocomposite microwave absorbing material are as follows:
[0046] (1) Preparation of manganese dioxide and ferric oxide composite materials
[0047] Disperse 0.05406 g of manganese dioxide into 70 mL of the mixed solution, and ultrasonicate for 30 min; then add 0.5406 g of ferric chloride hexahydrate, dissolve evenly; add 0.24 g of sodium hydroxide, stir evenly, transfer the above mixed solution into a hydrothermal kettle In 180 °C, react for 12 h; at 60 °C, vacuum dry for 12 h to obtain a composite material of manganese dioxide and ferric oxide;
[0048] The 70 mL mixed solution is made by mixing 20 mL ethylene glycol and 50 mL deionized water;
[0049] (2) Preparation of conductive polyaniline nanocomposite microwave absorbing materials
[0050] Add 0.0511 g of the composite material into 70 mL of deionized water, ultrasonically disperse for 30 min, add 1.9233 g of dodecylbenzenesulfonic acid, stir ...
Embodiment 3
[0055] The specific operation steps for preparing conductive polyaniline nanocomposite microwave absorbing material are as follows:
[0056] (1) Preparation of manganese dioxide and ferric oxide composite materials
[0057] Disperse 0.05406 g of manganese dioxide into 70 mL of the mixed solution and ultrasonicate for 30 min. Then add 0.5406 g ferric chloride hexahydrate, dissolve evenly; add 0.24 g sodium hydroxide, stir evenly, transfer the above mixed solution into a hydrothermal kettle, and react for 20 h at 160 °C; at 60 °C, Vacuum dried for 12 h to obtain a composite material of manganese dioxide and ferric oxide;
[0058] The 70 mL mixed solution is made by mixing 30 mL ethylene glycol and 40 mL deionized water;
[0059] (2) Preparation of conductive polyaniline nanocomposite microwave absorbing materials
[0060] Add 0.0766 g of the composite material into 70 mL of deionized water, ultrasonically disperse for 30 min, add 1.4532 g of dodecylbenzenesulfonic acid, stir ...
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