Measuring electrostatic properties of fibrous materials: A review and a modified surface potential decay technique |
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| Institution: | 1. Faculty of Textile Technologies and Design, Istanbul Technical University, Inonu Cad, No: 65 Gumussuyu, Beyoglu, 34437 Istanbul, Turkey;2. The Nonwovens Institute, North Carolina State University, 2401 Research Drive, Campus Box 8301, Raleigh, NC 27695, USA;1. Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai 201620, China;2. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China;3. Nanomaterials Research Center, Modern Textile Institute, Donghua University, Shanghai 200051, China;1. Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, China;2. Department of Chemistry & Center for Nano and Micro Mechanics (CNMM), Tsinghua University, Beijing 100084, China;3. School of Physics and Electronic-information Engineering, Hubei Engineering University, Xiaogan 432000, China;1. Department of Building Science, Tsinghua University, Beijing 100084, China;2. Beijing Key Laboratory of Indoor Air Quality Evaluation and Control, Beijing 100084, China;3. Tianjin Key Laboratory of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China;4. Department of Electrical Engineering, Tsinghua University, Beijing 100084, China;1. Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai 201620, China;2. Innovation Center for Textile Science and Technology, Donghua University, Shanghai 200051, China |
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| Abstract: | Electrostatic charging of fibrous materials are of concern for the performance of electret filters and comfort issues of textiles. However there is a huge controversy in the characterization techniques of ion beam irradiated or corona charged fibrous materials. In this study we reported a reliable, simple surface potential measurement method. Large variations in potential measurements were found to be mostly due to structural nonuniformity such as packing density, thickness and fiber–fiber proximity. Test samples were prepared after optimizing those parameters and we were able to reduce coefficient of variation below 15%. Methods that were developed so far were also reviewed. |
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| Keywords: | Surface potential decay test Electret Corona Fibers |
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