聚合物基纳米复合材料具有许多不同于常规复合材料的特性，如同步增韧增强、高强度、高模量、光电转换、高效催化等特性，因此是纳米复合材料研究领域的一个重要方面。主要介绍了聚酰亚胺（PI）基无机纳米复合材料的研究现状，阐述了不同纳米增强物质，如碳纳米管、氧化铝（Al2O3）、氧化镁（MgO）、二氧化钛（TiO2）和二氧化硅（SiO2）等5种无机纳米粒子自身的表面改性方法和他们对PI的改性机理。同时，综述了聚酰亚胺基纳米复合材料的有关性质及应用。
Polymer based nanocomposites unlike conventional composite materials have many excellent properties such as simultaneous toughening and strengthening, high strength, high modulus, photovoltaic conversion, catalysis of high efficiency, and therefore is an important aspect in the research field of nano-composite materials. Recent progress and status of Polyimide-matrix Nano-composite materials are introduced and surface modifications of different reinforcing materials are expounded in this paper. Besides, five reinforcing materials （carbon nano-tube, aluminum oxide, magnesium oxide, titanium dioxide and silicon dioxide） , are introduced, as well as their own surface modification. In addition, we have also introduced properties and applications of Polyimide-matrix Nano-composite materials.
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