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Study on the Reinforcing Effect of Cellulose Fibers on Polyacrylonitrile Fibers Filter Paperboard
Received:January 12, 2025  
DOI：10.11980/j.issn.0254-508X.2025.03.002
Key Words:polyacrylonitrile fibers  Lyocell fibers  filter paperboard  liquid filtration
Fund Project:国家自然科学基金（22078187）；生物质化学与材料国际联合研究中心（2018GHJD-19）；秦创原引用高层次创新创业人才项目（QCYRCXM-2022-135）。
Author NameAffiliationPostcode
ZHANG Sufeng* College of Bioresources Chemical and Materials Engineering，Shaanxi University of Science & Technology，Xi’an，Shaanxi Province，710021 710021
LYU Xin College of Bioresources Chemical and Materials Engineering，Shaanxi University of Science & Technology，Xi’an，Shaanxi Province，710021 710021
JING Xiaokai College of Bioresources Chemical and Materials Engineering，Shaanxi University of Science & Technology，Xi’an，Shaanxi Province，710021 710021
YANG Yuxuan College of Bioresources Chemical and Materials Engineering，Shaanxi University of Science & Technology，Xi’an，Shaanxi Province，710021 710021
LI Jinrui College of Bioresources Chemical and Materials Engineering，Shaanxi University of Science & Technology，Xi’an，Shaanxi Province，710021 710021
SHE Qianqian College of Bioresources Chemical and Materials Engineering，Shaanxi University of Science & Technology，Xi’an，Shaanxi Province，710021 710021
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Abstract:A polyacrylonitrile （PAN） filter paperboard was prepared by blending regenerated Lyocell fibers with PAN fibers， adding the binder polyvinyl alcohol （PVA）， and filtering aid SiO2， with wet-forming method. The PAN filtration paperboard was enhanced through the synergistic effect of fine fiber interweaving and the binder. The tensile index， porosity， pore size， and water flux of the filter paperboard at different levels of fiber regeneration were compared and analyzed. The results showed that when the pulp grinding for 40 000， the filter paperboard exhibited optimal overall performance. At this point， the tensile index was the highest at 5.97 N·m/g， with porosity of 88% and water flux of 599 L·m²/min. The reference was provided for the development of PAN filter paperboard for water filtration.
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