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Effects of Fibrid Length on the Performances of Meta-aramid Paper
Received:September 27, 2023  
DOI：10.11980/j.issn.0254-508X.2024.01.013
Key Words:fibrid  fiber length  meta-aramid paper  performance
Fund Project:湖南省制造业关键产品揭榜挂帅项目（2022GXGG017）；湖南省科技创新计划（2021RC4072）。
Author NameAffiliationPostcode
ZHU Wenhao* Hunan University of Technology, Zhuzhou, Hu’nan Province, 412007 412007
SONG Huan Zhuzhou Times Fiber Pioneer Material Technology Co., Ltd., Zhuzhou, Hu’nan Province, 412100 412100
DING Ping Zhuzhou Times Fiber Pioneer Material Technology Co., Ltd., Zhuzhou, Hu’nan Province, 412100 412100
YANG Qing Zhuzhou Times New Material Technology Co., Ltd., Zhuzhou, Hu’nan Province, 412007 412007
WANG Jin Zhuzhou Times New Material Technology Co., Ltd., Zhuzhou, Hu’nan Province, 412007 412007
HOU Jianzhong Zhuzhou Times Fiber Pioneer Material Technology Co., Ltd., Zhuzhou, Hu’nan Province, 412100 412100
YANG Jun* Zhuzhou Times New Material Technology Co., Ltd., Zhuzhou, Hu’nan Province, 412007 412007
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Abstract:In this study， the meta-aramid fibrids （referred to as fibrids） with different length were obtained by trough beater， the meta-aramid blended papers （referred to as blended papers） were prepared by wet-laid process after mixing with the meta-aramid chopped fibers， and the effects of fibrid length on the performances of blended papers were investigated. The results showed that with the decrease of the fibrid length， the air permeability of the blended paper first decreased and then increased， the tensile strength， the elongation at break， and the electrical strength first increased and then decreased. When the fibrid length was 0.9 mm， the performances of the blended paper were the best： the air permeability of 2.59 μm/（Pa·s）， the tensile strength of 863 N/m， the elongation at break of 2.54%， and the electrical strength of 6.82 kV/mm.
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