高性能聚酰亚胺电磁屏蔽材料的研究进展  

Research progress of high-performance polyimide electromagnetic shielding composites

作　　者：张如强 龙柱[1,2] 张丹 ZHANG Ruqiang;LONG Zhu;ZHANG Dan(Key Laboratory of Eco-textiles,Ministry of Education,Jiangnan University,Wuxi 214122,Jiangsu,China;College of Textile Science and Engineering,Jiangnan University,Wuxi 214122,Jiangsu,China)

机构地区：[1]江南大学生态纺织教育部重点实验室,江苏无锡214122 [2]江南大学纺织科学与工程学院,江苏无锡214122

出　　处：《精细化工》2023年第1期10-20,43,共12页Fine Chemicals

基　　金：国家自然科学基金(31600478)。

摘　　要：电磁信号之间的干扰和混乱已成为当今5G无线通信时代的首要挑战,研发有效、屏蔽高、低频电磁干扰的高性能电磁屏蔽材料已成为当前的研究热点。未来电磁屏蔽材料将朝着超薄、柔性化、轻质化、宽频高效吸收、耐高温、力学性能好等方向发展。聚酰亚胺(PI)因其具有质量轻、可柔化、机械性能好、热学稳定性好等特点,常被用作高性能电磁屏蔽复合材料的基体材料。该文介绍了PI电磁屏蔽材料的屏蔽机理,重点总结了其屏蔽性能的影响因素及研究进展,并阐述了高性能PI电磁屏蔽材料未来的发展趋势。Interference and confusion between electromagnetic signals have become the primary challenge in the era of 5G wireless communication,and the development of high-performance electromagnetic shielding materials that can effectively shield high and low frequency electromagnetic interference has become a hot topic in current research.The future development directions of electromagnetic shielding materials will focus on materials with ultra-thin,flexible,lightweight,broadband efficient absorption,high temperature resistance,and good mechanical properties.Polyimide(PI)is often used as substrate of many advanced electromagnetic shielding composites because of its good mechanical properties,good thermal stability,light weight,and flexibility.In the current review,the shielding mechanism of PI electromagnetic shielding materials was firstly introduced,followed by summarization on the influencing factors and research progress of shielding performance.Finally,the future development trend of high-performance PI electromagnetic shielding materials was discussed.

关 键 词：高性能 聚酰亚胺 电磁干扰 电磁屏蔽 屏蔽原理 

分 类 号：TB34[一般工业技术—材料科学与工程] TQ317[化学工程—高聚物工业]