导电性和磁性混合型聚烯/复合材料及其在磁铁学中的应用
Marek Jurča1, Jarmila Vilčáková1, Natalia E Kazantseva1
1University Institute, Tomas Bata University in Zlín, 760 01 Zlín, Czech Republic.
Materials (Basel, Switzerland)
|January 11, 2024
概括
研究人员开发了新的混合导电和磁性复合材料,使用微粒涂上聚. 这些核心外材料对磁石流体应用具有有前途的特性,性能优于以前的系统.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 聚合物化学 聚合物化学
背景情况:
- 核心-外混合复合材料将有机和无机材料结合起来,具有独特的特性.
- 导电性聚合物,如聚烯,具有可调节的电特性.
- 微粒提供磁性功能.
研究的目的:
- 合成和描述新的混合有机/无机导电和磁性复合材料.
- 研究合成方法和含量对复合材料性能的影响.
- 为了评估这些复合材料在磁石流体中的性能.
主要方法:
- 通过氧化聚合,将微粒与聚烯在现场涂层.
- 多种合成条件:水性介质,酸性介质和结构导向染料的存在,以形成纳米管.
- 使用FTIR,拉曼光谱和压力下的电阻测量进行了表征.
- 使用合成复合材料制备和测试磁石流体.
主要成果:
- 成功合成了高达83%重量的核心/聚烯复合材料.
- 通过FTIR和拉曼光谱证实了聚烯的形成;用甲基色观察到纳米管状形态.
- 电阻力 (几十到几百 Ω cm) 主要由聚烯相控制,并且由于受阻粒子接触而随着含量略有增加.
- 磁性属性完全取决于含量.
- 与现有系统相比,复合材料在磁石流体应用中表现出优越的性能.
结论:
- 该研究成功地创造了混合/聚烯复合材料,具有可调节的电磁性能.
- 聚乙烯涂层通过防止颗粒聚合,在导电性方面发挥着至关重要的作用.
- 这些新型复合材料显示出先进磁石流体应用的巨大潜力.
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