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首页> 外文期刊>IEEE Transactions on Dielectrics and Electrical Insulation >Plasma Polymer-coated on Nanoparticles to Improve Dielectric and Electrical Insulation Properties of Nanocomposites
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Plasma Polymer-coated on Nanoparticles to Improve Dielectric and Electrical Insulation Properties of Nanocomposites

机译:等离子聚合物包覆在纳米粒子上,以改善纳米复合材料的介电和电绝缘性能

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摘要

Polymeric nanocomposites have been shown to possess superior electrical insulation properties compared to traditional filled-resins. However, poor dispersion uniformity and insufficient filler-matrix interaction can adversely affect insulation properties of nanocomposites. In this study, the use of plasma polymerization is proposed to coat poly(ethylene oxide) polymer layers on silica nanoparticles. It is shown that better dispersion is achieved and C-O bonds are created between the surface functional groups of the nanoparticles and the host epoxy polymer. Electrical insulation tests demonstrate that the nanocomposites with plasma polymerized silica nanoparticles feature better resistance against electrical treeing, lower dielectric constant, and also mitigated space charge built-up. Therefore, plasma polymerization offers a promising fabrication technique to further improve the synthesis of nanocomposite dielectrics with superior electrical insulation properties.
机译:与传统的填充树脂相比,聚合物纳米复合材料已显示出优异的电绝缘性能。然而,差的分散均匀性和不充分的填料-基体相互作用会不利地影响纳米复合材料的绝缘性能。在这项研究中,建议使用等离子聚合在二氧化硅纳米粒子上涂覆聚环氧乙烷聚合物层。结果表明,在纳米颗粒的表面官能团和主体环氧聚合物之间实现了更好的分散并建立了C-O键。电绝缘测试表明,具有等离子聚合二氧化硅纳米颗粒的纳米复合材料具有更好的抗电树性,较低的介电常数,并且还可以减轻空间电荷的累积。因此,等离子体聚合提供了一种有前途的制造技术,以进一步改善具有优异电绝缘性能的纳米复合电介质的合成。

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