聚苯乙烯/纳米二氧化硅模型体系的介电光谱研究

M. Praeger, A. Vaughan, S. Swingler
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引用次数: 7

摘要

本研究采用简单的溶剂共混技术制备二氧化硅/聚苯乙烯纳米复合材料。然后使用介电光谱测量样品的实介电常数和虚介电常数。纳米二氧化硅/聚苯乙烯体系的特点是在不同的填料负载范围内,另外,作为温度的函数。为了补充这一点,吸收的水被用作介电探针来探索纳米颗粒界面上的分子弛豫过程。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A dielectric spectroscopy study of the polystyrene/nanosilica model system
In this study a simple solvent blending technique is used to produce silica/polystyrene nanocomposites. Dielectric spectroscopy is then used to measure both the real and imaginary permittivity of the samples. The nanosilica/polystyrene system is characterized over a range of different filler loadings, and additionally, as a function of temperature. To supplement this, absorbed water is used as a dielectric probe to explore molecular relaxation processes at the nanoparticle interfaces.
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