Ferrocene-based chiral poly Schiff base salt/graphene composite wave-absorbing material
A graphene composite, ferrocene-based technology, applied in the field of wave absorbing materials, can solve the problems of electrolyte environmental pollution, high quality of ferrite, low absorption strength, etc., and achieve excellent wave absorption effect, strong wave absorption performance, Prepare simple effects
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Embodiment 1
[0023] (1) Add 0.04 mol of ferrocene formaldehyde into 43 ml of absolute ethanol, stir and dissolve, and raise the temperature to 50° C. under reflux to obtain a ferrocene formaldehyde solution.
[0024] (2) Dissolve 0.02mol of chiral (R)-1,2-propylenediamine in 15ml of absolute ethanol; slowly drop the chiral (R)-1,2-propylenediamine solution into the ferrocene formaldehyde solution After dropping within 30 minutes, the solution was stirred and refluxed under nitrogen protection at 50° C. for 5 hours to obtain solution A.
[0025] (3) The solution A was filtered, and the resulting filter cake was vacuum-dried at 40° C. for 12 hours to obtain a ferrocenyl chiral (R)-1,2-propanediamine bis-Schiff base.
[0026] (4) Dissolve 0.01mol of ferrocenyl chiral (R)-1,2-propanediamine bis-Schiff base in 14mL of chloroform, heat up to 60°C under reflux conditions, and dissolve 0.01mol of Dissolve formyl chloride and 0.05mol aluminum trichloride in 30mL chloroform and 30mL nitrobenzene re...
Embodiment 2
[0033] (1) Add 0.06 mol of ferrocene formaldehyde into 65 ml of absolute ethanol, stir and dissolve, and raise the temperature to 50° C. under reflux to obtain a ferrocene formaldehyde solution.
[0034] (2) Dissolve 0.03mol of chiral (R)-1,2-propylenediamine in 22ml of absolute ethanol; slowly drop the chiral (R)-1,2-propylenediamine solution into the ferrocene formaldehyde solution After dropping within 30 minutes, the solution was stirred and refluxed under nitrogen protection at 50° C. for 5 hours to obtain solution A.
[0035] (3) The solution A was filtered, and the resulting filter cake was vacuum-dried at 40° C. for 12 hours to obtain a ferrocenyl chiral (R)-1,2-propanediamine bis-Schiff base.
[0036] (4) Dissolve 0.02mol of ferrocenyl chiral (R)-1,2-propanediamine bis-Schiff base in 30mL of chloroform, heat up to 60°C under reflux conditions, and dissolve 0.02mol of terephthalic Dissolve formyl chloride and 0.10mol aluminum trichloride in 30mL chloroform and 80mL ni...
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