以芳纶Ⅲ纤维为载体通过一步法制备PPy-Fe3O4/F3产物及其吸波性能研究
Preparation of PPy-Fe3O4/F3 Composite via One-Step Method Using Aramid-III Fiber as Carrier and Investigation of Its Microwave Absorption Performance
DOI: 10.12677/ms.2026.162034, PDF,    科研立项经费支持
作者: 王 哲*, 胡书春, 王 冬, 郭美玲, 钟 琦, 陈旭阳, 冯燕琪：成都工业学院材料与环境工程学院，四川 成都
关键词: 一步法；吸波性能；聚吡咯；四氧化三铁；芳纶III纤维；One-Step Method； Wave Absorption Performance； Polypyrrole； Ferric Oxide； Aramid III Fiber
摘要: 以芳纶Ⅲ纤维(F3)为载体，采用一步制备法和原位合成法分别制备出PPy-Fe3O4/F3和PPy/F3产物，对比研究了PPy/F3和PPy-Fe3O4/F3产物的宏观性状、微观结构与形貌，最后对两种产物的电磁学和吸波性能进行了深入研究。结果表明：相对于原料F3纤维，PPy/F3和PPy-Fe3O4/F3产物的电导率提高了15数量级，且介电损耗能力、磁损耗能力以及阻抗匹配效果得到了显著提升，其中，PPy-Fe3O4/F3产物的吸波性能最为优异，在厚度为4 mm，频率为11.4 GHz时，其最优吸波效果可达−23.5 dB，对应的有效吸收频宽为3.1 GHz。
Abstract: Using aramid III fiber (F3) as the carrier, PPy-Fe3O4/F3 and PPy/F3 products were prepared by one-step preparation method and in-situ synthesis method respectively. The macroscopic properties, microstructures and morphologies of PPy/F3 and PPy-Fe3O4/F3 products were compared and studied. Finally, the electromagnetic and wave absorption properties of the two products were deeply studied. The results show that compared with the raw material F3 fiber, the electrical conductivity of PPy/F3 and PPy-Fe3O4/F3 products has increased by 15 orders of magnitude, and the dielectric loss ability, magnetic loss ability and impedance matching effect have been significantly improved. Among them, the PPy-Fe3O4/F3 product has the best wave absorption performance. When the thickness is 4 mm and the frequency is 11.4 GHz, its optimal wave absorption effect can reach −23.5 dB, and the corresponding effective absorption bandwidth is 3.1 GHz.
文章引用：王哲, 胡书春, 王冬, 郭美玲, 钟琦, 陈旭阳, 冯燕琪. 以芳纶Ⅲ纤维为载体通过一步法制备PPy-Fe3O4/F3产物及其吸波性能研究[J]. 材料科学, 2026, 16(2): 153-164. https://doi.org/10.12677/ms.2026.162034

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