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首页> 外文期刊>RSC Advances >Microwave absorption enhancement by adjusting reactant ratios and filler contents based on 1D K–MnO2@PDA and poly(vinylidene fluoride) matrix
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Microwave absorption enhancement by adjusting reactant ratios and filler contents based on 1D K–MnO2@PDA and poly(vinylidene fluoride) matrix

机译：基于一维K–MnO2 @ PDA和聚偏二氟乙烯基质，通过调节反应物比率和填料含量来增强微波吸收

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摘要

One-dimensional K–MnO _(2) nanorods were prepared by a wet chemical process. Dopamine hydrochloride (PDA) layers with various thicknesses were coated and finally, the composites were filled in a poly(vinylidene fluoride) (PVDF) matrix using the hot-molding procedure. The complex permittivity and permeability of the K–MnO _(2) @PDA/PVDF composites could be adjusted by reactant amount ratios and filler contents. The minimum reflection loss could reach ?49.4 dB and an effective absorption bandwidth (
机译：一维K–MnO _（2）纳米棒是通过湿化学工艺制备的。涂覆具有各种厚度的盐酸多巴胺（PDA）层，最后，使用热成型工艺将复合材料填充到聚偏二氟乙烯（PVDF）基质中。 K-MnO _（2）@ PDA / PVDF复合材料的复介电常数和磁导率可以通过反应物的数量比和填料含量来调节。当K–MnO _（2）与PDA之间的反应物数量比为4？：？时，最小的反射损耗可达到约49.4 dB，填充量为20％时，有效吸收带宽（<10 dB）覆盖了11.12 GHz。 0.375，这来自有效的内部极化过程。预期这些新型复合材料可用作高性能微波吸收剂。

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