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| Research Progress of on Polyimide-based Graphite Film Materials |
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| DOI：10.7643/issn.1672-9242.2022.08.014 |
| KeyWord:polyimide graphite film carbonization graphitization thermal conductivity |
| Author | Institution |
| CAI Yun-fei |
School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou, , China |
| CHEN Zi-hao |
School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou, , China |
| ZHANG Teng-fei |
School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou, , China |
| WANG Qi-min |
School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou, , China |
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| Abstract: |
| 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. |
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