聚酰亚胺基石墨膜材料研究进展

综述了聚酰亚胺基石墨膜材料的研究进展，简述了聚酰亚胺薄膜的分类、合成方法及其应用，详细介绍了聚酰亚胺制备石墨膜的方法，碳化和石墨化过程中涉及的分子结构和其形貌以及性能的变化过程。阐述了制备石墨膜过程中的机理，进而分析了影响聚酰亚胺基石墨膜性能的因素，主要包括了化学结构、烧结工艺以及复合薄膜中掺杂组分对结构和性能的影响。其后，通过近年来国内外的专利情况，分析了石墨膜材料的应用方向，总结并展望了未来聚酰亚胺基石墨膜材料的发展方向。

Research Progress of on Polyimide-based Graphite Film Materials

The research progress of polyimide-based graphite film materials is reviewed. The classification synthesis methods and applications of polyimide films are briefly described. The method of preparing graphite films from polyimide, the molecular structure in the process of carbonization and graphitization, and the change of its morphology and properties are introduced in detail. The mechanism in the process of preparing graphite films is expounded, and then the factors affecting the properties of polyimide-based graphite films are analyzed, mainly including the chemical structure, sintering process and the influence of doping components in composite films on the structure and properties. Subsequently, the application direction of graphite film materials is analyzed through the patent situation at home and abroad in recent years, and the future development direction of polyimide-based graphite film materials is summarized and prospected.