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Preparation and Properties of PAN/PMIA Blended Nanofiber Composite Air Filter Paper Based on Electrostatic Spinning
Received:October 10, 2023  
DOI：10.11980/j.issn.0254-508X.2024.04.010
Key Words:composite air filter paper  electrostatic spinning  filtration efficiency  filtration resistance
Fund Project:国家重点研发计划项目（2022YFC2105503）。
Author NameAffiliationPostcode
GAO Yang College of Light Industry Science and Engineering， Tianjin Key Lab of Pulp and Paper， Tianjin University of Science and Technology， Tianjin， 300457 300457
HUI Lanfeng* College of Light Industry Science and Engineering， Tianjin Key Lab of Pulp and Paper， Tianjin University of Science and Technology， Tianjin， 300457 300457
ZHAO Mingyue College of Light Industry Science and Engineering， Tianjin Key Lab of Pulp and Paper， Tianjin University of Science and Technology， Tianjin， 300457 300457
YANG Qian College of Light Industry Science and Engineering， Tianjin Key Lab of Pulp and Paper， Tianjin University of Science and Technology， Tianjin， 300457 300457
ZHANG Yiyi College of Light Industry Science and Engineering， Tianjin Key Lab of Pulp and Paper， Tianjin University of Science and Technology， Tianjin， 300457 300457
GUO Wenwen College of Light Industry Science and Engineering， Tianjin Key Lab of Pulp and Paper， Tianjin University of Science and Technology， Tianjin， 300457 300457
WANG Qingshuo College of Light Industry Science and Engineering， Tianjin Key Lab of Pulp and Paper， Tianjin University of Science and Technology， Tianjin， 300457 300457
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Abstract:PAN/PMIA blended nanofiber composite air filter paper was prepared by electrostatic spinning technology using air filter base paper as substrate， polyacrylonitrile （PAN） with high spinnable and meta-aramid （PMIA） with high performance as raw materials. By adjusting the mass ratio of two specialty fiber， a composite air filter paper with good filtration performance and high temperature resistance was prepared. The results showed that when the mass ratio of PAN to PMIA was 3∶7， the filtration efficiency of PAN/PMIA blended nanofiber composite filter paper was 99.995%， the initial resistance was 79.01 Pa， and the dust capacity was 175 g/m2. After a series of heat treatment， the filtration efficiency of the composite filter paper could be maintained above 99.960%.
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