空气过滤用驻极体纤维材料研究进展  

Progress of Electret Fibrous Membranes for Air Filtration

作　　者：高涵超 张苏广 夏兆鹏[1] 段书霞 付迎坤 韩修恒 赵义侠[1] 陈浩 史清源 王亮[1] 刘雍[1] Hanchao Gao;Suguang Zhang;Zhaopeng Xia;Shuxia Duan;Yingkun Fu;Xiuheng Han;Yixia Zhao;Hao Chen;Qingyuan Shi;Liang Wang;Yong Liu(School of Textile Science and Engineering,Tiangong University,Tianjin 300387,China;Henan Key Laboratory of Medical and Protective Products,Xinxiang 453400,China;Yadu Holding Group Co,Ltd,Xinxiang 453400,China;Shandong Institute for Product Quality Inspection,Jinan 250102,China)

机构地区：[1]天津工业大学纺织科学与工程学院,天津300387 [2]河南省医用防护用品重点实验室,河南新乡453400 [3]亚都控股集团有限公司,河南新乡453400 [4]山东省产品质量检验研究院,山东济南250102

出　　处：《高分子材料科学与工程》2023年第4期173-181,共9页Polymer Materials Science & Engineering

基　　金：河北省重点研发计划(21371302D);天津市教委科技计划重点项目(2019ZD01);河南省医用防护用品重点实验室项目(YYFH-2022-KF-01)。

摘　　要：驻极体纤维过滤材料是口罩、空气净化器、暖通空调系统过滤器等空气过滤产品的核心滤层材料,驻极纤维滤材可利用纤维与气溶胶颗粒间的静电力捕集气溶胶颗粒,表现出高效低阻过滤性能。文中介绍了驻极过滤材料的静电吸附机理、电荷表征方法,分析了驻极原料、驻极工艺和存放环境等影响驻极过滤材料电荷稳定性的因素,从构建复合膜结构、添加纳米颗粒两方面阐述了提升驻极材料带电能力和电荷稳定性的研究现状,最后提出了驻极体纤维过滤材料目前存在的问题及未来发展方向。Electret fibrous membranes are the core filtration layer for air filtration products such as masks,air purifiers and heating,ventilation and air conditioning(HVAC)filters.Electret fibrous filters capture aerosol by electrostatic force between fiber and aerosol,and exhibit excellent filtration properties with high filtration efficiency and low pressure drop.In this study,the electrostatic mechanism and charge characterization methods of electret fibrous membranes were introduced.The influence of raw materials,electret technology and storage environment on charge stability was analyzed.The research progress on improving charging capacity and charge stability of electret filters by composite membrane structure and adding electret nanoparticles was reviewed.Finally,the problems and future development of electret fibrous membranes were proposed.

关 键 词：驻极体 纤维滤材 驻极技术 电荷稳定性 空气过滤性能 

分 类 号：TQ342[化学工程—化纤工业]