近年来对掺杂纳米SiO2的聚酰亚胺薄膜的各种性能进行了充分的研究,而对以少量PI掺杂的多孔SiO2薄膜的研究较少.介绍了PI掺杂多孔SiO2薄膜制备过程中影响薄膜性能及应用的两个关键因素(相分离和热处理固化成膜),理论分析了PI掺杂多孔SiO2薄膜的力学性能和绝热性能,最后讨论了目前存在的一些问题和今后的发展趋势.
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