Foam metal-doped graphene-polyaniline electromagnetic shielding material and preparation method thereof
An electromagnetic shielding material and foam metal technology are applied in the field of foam metal doped graphene-polyaniline electromagnetic shielding material and preparation thereof, and can solve the problems of low preparation efficiency of electrophoresis method, unsuitability for industrial production, low graphene content and the like, Achieve the effect of improving electromagnetic shielding efficiency, improving electromagnetic shielding ability, and high production efficiency
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Embodiment 1
[0027] Prepare 1.5mol / L 40mL camphorsulfonic acid solution and divide it into two evenly. Weigh an appropriate amount of aniline monomer and mix it with aluminum foam with a pore density of 130PPI, let it stand for 30 minutes, add it to one part of the camphorsulfonic acid solution, and record it as mixture A, wherein the metal foam content is 0.06g / mL, The content of aniline monomer is 0.12g / mL; Weigh 3.38g of ammonium persulfate and 4.36g of potassium bisulfate and graphene oxide solution into another part of camphorsulfonic acid solution, which is recorded as solution B, wherein the graphene oxide solution The content is 10mg / mL. Slowly drop solution B into mixture A, oxidative polymerization reaction occurs at 0°C, and the reaction time is 4 hours. After the reaction is completed, take out the foam metal whose surface is modified with doped graphene-polyaniline from the reaction solution, and use After repeated washing with ionized water and absolute ethanol, and drying, ...
Embodiment 2
[0029] Prepare 1.5mol / L 40mL camphorsulfonic acid solution and divide it into two evenly. Take an appropriate amount of aniline monomer and mix it with foamed nickel with a pore density of 130PPI, let it stand for 30 minutes, add it to one part of the camphorsulfonic acid solution, and record it as mixture A, wherein the content of foamed metal is 0.06g / mL, The content of aniline monomer is 0.12g / mL; Weigh 3.38g of ammonium persulfate and 4.36g of potassium bisulfate and graphene oxide solution into another part of camphorsulfonic acid solution, which is recorded as solution B, wherein the graphene oxide solution The content is 20mg / mL. Slowly drop solution B into mixture A, oxidative polymerization reaction occurs at 0°C, and the reaction time is 4 hours. After the reaction is completed, take out the foam metal whose surface is modified with doped graphene-polyaniline from the reaction solution, and use After repeated washing with ionized water and absolute ethanol, and dryi...
Embodiment 3
[0031] Prepare 1.5mol / L 40mL camphorsulfonic acid solution and divide it into two evenly. Take an appropriate amount of aniline monomer and mix it with silver foam with a pore density of 130PPI, let it stand for 30 minutes, add it to one part of the camphorsulfonic acid solution, and record it as mixture A, wherein the metal foam content is 0.06g / mL, The content of aniline monomer is 0.12g / mL; Weigh 3.38g of ammonium persulfate and 4.36g of potassium bisulfate and graphene oxide solution into another part of camphorsulfonic acid solution, which is recorded as solution B, wherein the graphene oxide solution The content is 15mg / mL. Slowly drop solution B into mixture A, oxidative polymerization reaction occurs at 0°C, and the reaction time is 4 hours. After the reaction is completed, take out the foam metal whose surface is modified with doped graphene-polyaniline from the reaction solution, and use After repeated washing with ionized water and absolute ethanol, and drying, the...
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