聚酰亚胺/氧化石墨烯三明治结构柔性薄膜的制备及其火灾预警性能

doi:10.11896/cldb.25010092

材料导报

2026, Vol. 40

Issue (4): 25010092-5 https://doi.org/10.11896/cldb.25010092

高分子与聚合物基复合材料

聚酰亚胺/氧化石墨烯三明治结构柔性薄膜的制备及其火灾预警性能

李金中¹, 谢毓广¹, 季坤², 孙伟², 马涛², 赵创业², 章恒^3,*, 陈梓坚³, 毛磊³

1 国网安徽省电力有限公司电力科学研究院,合肥 230601
2 国网安徽省电力有限公司淮北供电公司,安徽淮北 233799
3 中国科学技术大学工程科学学院,合肥 230027

Preparation of Polyimide/Graphene Oxide Sandwich-structured Flexible Films and Their Fire Early-warning Performance

LI Jinzhong¹, XIE Yuguang¹, JI Kun², SUN Wei², MA Tao², ZHAO Chuangye², ZHANG Heng^3,*, CHEN Zijian³, MAO Lei³

1 Electric Power Research Institute, State Grid Anhui Electric Power Co., Ltd., Hefei 230601, China
2 Huaibei Power Supply Company, State Grid Anhui Electric Power Co., LTD., Huaibei 233799, Anhui, China
3 School of Engineering Science, University of Science and Technology of China, Hefei 230027, China

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摘要火灾早期预警传感器在火灾监测过程中具有至关重要的作用。采用刮涂法制备了三明治结构的聚酰亚胺/氧化石墨烯柔性薄膜传感器(PGP)。该结构设计不仅赋予PGP优良的力学性能,而且PI层对中间层GO的保护作用与GO层物理阻隔作用之间的相互协同,提升了材料的热稳定性和阻燃性能。PGP对火焰具有高度的敏感性并表现出优异的热阻响应特性,对火焰的预警响应时间为750 ms,并能持续发出预警信号超过60 s,在火灾早期预警领域具有潜在的应用。

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	李金中
	谢毓广
	季坤
	孙伟
	马涛
	赵创业
	章恒
	陈梓坚
	毛磊

关键词: 聚酰亚胺氧化石墨烯三明治结构火灾预警阻燃

Abstract: Fire early-warning sensors are crucial in fire monitoring. In this study, a sandwich-structured polyimide/graphene oxide flexible film sensor (PGP) was fabricated using a blade-coating method. This structural design not only imparts excellent mechanical properties to the PGP, but also enhances its thermal stability and flame retardancy through the synergistic effect between the protective role of the PI layers and the physical barrier function of the GO layer. The PGP exhibits high sensitivity to flames and demonstrates excellent thermoresistive response characteristics, with an early-warning response time of 750 ms and a sustained alarm signal lasting over 60 s. These features highlight its potential for applications in fire early-warning systems.

Key words: polyimide graphene oxide sandwich structure fire-warning response flame retardancy

出版日期: 2026-02-25 发布日期: 2026-02-13

ZTFLH:

TB332

基金资助: 国网安徽省电力有限公司科技项目(5212P0240001)

通讯作者: * 章恒,硕士,合肥大学讲师,中国科学技术大学工程博士研究生。目前主要从事火灾预警传感器、火灾监测预警与防护灭火机理等方面的研究。zhangheng110@mail.ustc.edu.cn

作者简介: 李金中,硕士,高级工程师,主要从事新能源并网、新能源消纳分析、储能技术研究等工作。

引用本文:

李金中, 谢毓广, 季坤, 孙伟, 马涛, 赵创业, 章恒, 陈梓坚, 毛磊. 聚酰亚胺/氧化石墨烯三明治结构柔性薄膜的制备及其火灾预警性能[J]. 材料导报, 2026, 40(4): 25010092-5.
LI Jinzhong, XIE Yuguang, JI Kun, SUN Wei, MA Tao, ZHAO Chuangye, ZHANG Heng, CHEN Zijian, MAO Lei. Preparation of Polyimide/Graphene Oxide Sandwich-structured Flexible Films and Their Fire Early-warning Performance. Materials Reports, 2026, 40(4): 25010092-5.

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https://www.mater-rep.com/CN/10.11896/cldb.25010092 或 https://www.mater-rep.com/CN/Y2026/V40/I4/25010092

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