聚酰亚胺薄膜材料的导热分析方法  

Analytical Methods of Thermal Conductivity of Polyimide Films

作　　者：高梦岩 王畅鸥 贾妍 翟磊[1] 莫松[1] 何民辉[1] 范琳[1,2] GAO Mengyan;WANG Chang′ou;JIA Yan;ZHAI Lei;MO Song;HE Minhui;FAN Lin(Key Laboratory of Science and Technology on High-tech Polymer Materials,Chinese Academy of Sciences,Beijing 100190,China;School of Chemical Sciences,University of Chinese Academy of Sciences,Beijing 100049,China)

机构地区：[1]中国科学院化学研究所极端环境高分子材料重点实验室,北京100190 [2]中国科学院大学化学科学学院,北京100049

出　　处：《绝缘材料》2021年第11期1-10,共10页Insulating Materials

基　　金：北京市自然科学基金资助项目(2202068)。

摘　　要：电子及微电子技术的发展对导热聚酰亚胺薄膜提出了新的应用需求,围绕聚酰亚胺薄膜材料的导热性能调控及制备引起了研究人员的广泛关注,而关于其导热性能的分析测试方法则缺少系统的研究。本文综述了国内外针对聚酰亚胺薄膜材料的导热分析技术,详细介绍了瞬态法、稳态法和温度波谱分析等代表性方法的基本原理、主要特点及适用范围等,综述了不同分析方法对聚酰亚胺薄膜材料在面外及面内方向导热系数和热扩散系数的对比测试结果,并对聚酰亚胺薄膜材料导热分析所存在的问题及未来发展趋势进行了总结与展望。With the development of electronics and microelectronics technology,thermally conductive polyimide(PI)film is facing new application requirements.The control of thermal conductivity and preparation of PI film have drawn much attention.However,there is a lack of systematic research on the analytical methods of its thermal conductivity.In this paper,the analytical methods of thermal conductivity for PI film at home and abroad were summarized.The basic principles,main features,and application scope of the transient methods,steady-state methods,and temperature wave analysis were introduced in detail.In addition,the comparison results of thermal conductivity along the out-of-plane direction and in-plane direction and thermal diffusivity of PI films tested by different methods were reviewed.The existing problems and future development trends of the thermal conductivity analytical methods for PI films were summarized and prospected.

关 键 词：聚酰亚胺 薄膜材料 导热性能 分析方法 

分 类 号：TM215[一般工业技术—材料科学与工程]