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Preparation and Performance Research of Antistatic Air Filter Paper
Received:August 30, 2024  
DOI：10.11980/j.issn.0254-508X.2025.03.006
Key Words:air filter paper  carbon black  retention  pore size  antistatic performance
Author NameAffiliationPostcode
XIONG Fangtao School of Environmental and Natural Resource， Zhejiang University of Science and Technology， Hangzhou， Zhejiang Province， 310023 310023
FU Bingqing School of Environmental and Natural Resource， Zhejiang University of Science and Technology， Hangzhou， Zhejiang Province， 310023 310023
YANG Jun School of Environmental and Natural Resource， Zhejiang University of Science and Technology， Hangzhou， Zhejiang Province， 310023 310023
WU Anbo Hangzhou Special Paper Industry Co.， Ltd.， Hangzhou， Zhejiang Province， 311407 311407
YUAN Tianzhong School of Environmental and Natural Resource， Zhejiang University of Science and Technology， Hangzhou， Zhejiang Province， 310023 310023
LIN Dewei School of Environmental and Natural Resource， Zhejiang University of Science and Technology， Hangzhou， Zhejiang Province， 310023 310023
SHA Lizheng School of Environmental and Natural Resource， Zhejiang University of Science and Technology， Hangzhou， Zhejiang Province， 310023 310023
ZHAO Huifang* School of Environmental and Natural Resource， Zhejiang University of Science and Technology， Hangzhou， Zhejiang Province， 310023 310023
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Abstract:Bleached softwood pulp and conductive carbon black were used as the primary raw materials in this study， and cationic polyacrylamide （CPAM） was used as a retention aid to prepare antistatic air filter paper by wet forming. The effects of the dosage of CPAM and addtion amount of carbon black on retention rate of carbon black and the properties of the antistatic air filter paper were investigated. The results showed that when the addition amount of carbon black was 6% and the dosage of CPAM was 0.10%， the retention rate of carbon black in air filter paper reached 56%， and the bursting strength， average pore size， air permeability， and surface resistance of the air filter paper were 60.2 kPa， 40.3 μm， 188 L/m²·s， and 1.4×104 Ω， respectively. The air filter paper displayed excellent strength and antistatic performance， as well as suitable pore size distribution and air permeability， and could meet the requirements of air purification for lithium battery production workshop.
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