借助导电聚合物和软磁金属良好的电磁波吸收特性,制备了导电聚苯胺/羰基铁粉复合材料.实验中把导电聚苯胺与羰基铁粉以2:8的比例制成复合粉,然后再将复合粉与聚脲粘和剂以2:8的比例混合成吸波涂料.检测结果显示,当聚苯胺电导率为10-2S/cm、羰基铁粉平均颗粒尺寸为1~2 μm,在2~12 GHz的频段范围可获得优于-10 dB的吸波性能.分析表明,这类材料有望发展成宽频、强吸收、可人为设计特殊频段的优良吸波材料.
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