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Study on Preparation and Performance of Tencel Composite Air Filter Paper
Received:October 29, 2021  
DOI：10.11980/j.issn.0254-508X.2022.02.003
Key Words:tencel fiber  air filter paper  nanocellulose  foaming agent  filtration performance
Fund Project:生物基材料与绿色造纸国家重点实验室开放基金资助项目（ZZ20200107）。
Author NameAffiliationPostcode
LU Kaijia State Key Lab of Bio-based Materials and Green Papermaking， Qilu University of Technology （Shandong Academy of Sciences）， Ji’nan， Shandong Province，250353 250353
ZHAO Chuanshan* State Key Lab of Bio-based Materials and Green Papermaking， Qilu University of Technology （Shandong Academy of Sciences）， Ji’nan， Shandong Province，250353 250353
LI Xia State Key Lab of Bio-based Materials and Green Papermaking， Qilu University of Technology （Shandong Academy of Sciences）， Ji’nan， Shandong Province，250353 250353
DING Qijun State Key Lab of Bio-based Materials and Green Papermaking， Qilu University of Technology （Shandong Academy of Sciences）， Ji’nan， Shandong Province，250353 250353
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Abstract:In this study， the air filter paper was prepared using the Tencel fiber （beating degree 23°SR） as the raw material together with hardwood fiber improving the strength of air filter paper. The filtration performance of the prepared filter paper was then optimized through adding foaming agent in the pulp and coating cellulose nanofilament （CNF） on the surface and the physical and filtration performance of the air filter paper were further studied. The results showed that the air filter paper with Tencel fiber mass fraction of 60% possessed a filtration efficiency for PM2.5 of 98.97%， a decreased resistance pressure of 146.7 Pa， and a quality factor of 0.3119 Pa-1， exhibiting the best filtration performance.
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