Expanded graphite / Polyaniline / F & O4 Composite
by Lung Chang
Composite Materials Research, Vol.1, No.1, 2018;
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expanded graphite was prepared by in-situ polymerization method / Polyaniline ( Eg/pani Composites , will Fe3 0 4 is loaded on Eg/pani Surface , to obtain a with electromagnetic absorption properties Eg/pani/fe3 0 4 Composite . by scanning the electron microscope ( SEM) , X X-ray diffraction ( XRD ), Fourier Transform infrared spectrometer ( FTIR) and Vector Network Analyzer ( VNA the appearance of composite materials , the component and absorbing properties arestudied investigate . The Wave-absorbing performance analysis results show that , When the doping concentration is 0.05 mol/l , Match thickness d = 2 mm , Minimum reflection loss for samples ( rl_ in 8. $ GHz at the - Panax DB. increases with doping concentration , Minimum reflection loss peak moves to low frequency , The corresponding thickness of the is gradually thickened . Dielectric Relaxation polarization of the material , Eddy Current loss and A/4 Interference cancellation of the model Shuangfeng , makes theEg/pani/fe3 0 4 Composite in electrical The field of magnetic wave absorption has certain application prospects .