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| Study on the Preparation of Aramid Fiber/Molecular Sieve Paper-based Filtration Material and Its Filtration Properties |
| Received:March 10, 2024 Revised:March 27, 2024 |
| DOI：10.11981/j.issn.1000-6842.2025.02.103 |
| Key Words:aramid fiber;molecular sieve;filtering efficiency;adsorption characteristics |
| Fund Project:国家自然科学基金（22378248）；陕西省秦创原“科学家+工程师”队伍建设（2023KXJ-211）；陕西省技术创新引导专项（基金）（2023GXLH-077）；龙游县科学技术局重大科技攻关课题（JHXM2022140）；陕西省军民融合专项（陕融办发［2024］22号）；国家级大学生创新创业训练计划资助项目（202310708007）；省级大学生创新创业训练计划资助项目（202410708116）。 |
| Author Name | Affiliation | Postcode | | LI Siqi* | College of Bioresources Chemical and Materials Engineering， Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper， Shaanxi University of Science & Technology， Xi'an， Shaanxi Province， 710021 | 710021 | | LU Zhaoqing* | College of Bioresources Chemical and Materials Engineering， Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper， Shaanxi University of Science & Technology， Xi'an， Shaanxi Province， 710021 | 710021 | | JIA Fengfeng* | College of Bioresources Chemical and Materials Engineering， Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper， Shaanxi University of Science & Technology， Xi'an， Shaanxi Province， 710021 | 710021 | | HUA Li | College of Bioresources Chemical and Materials Engineering， Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper， Shaanxi University of Science & Technology， Xi'an， Shaanxi Province， 710021 | 710021 | | XU Mingyuan | College of Bioresources Chemical and Materials Engineering， Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper， Shaanxi University of Science & Technology， Xi'an， Shaanxi Province， 710021 | 710021 | | HUANG Tao | College of Bioresources Chemical and Materials Engineering， Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper， Shaanxi University of Science & Technology， Xi'an， Shaanxi Province， 710021 | 710021 | | ZHAO Huimei | College of Bioresources Chemical and Materials Engineering， Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper， Shaanxi University of Science & Technology， Xi'an， Shaanxi Province， 710021 | 710021 |
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| Abstract: |
| Using para-aramid pulp/meta-aramid precipitated fiber as the three-dimensional supporting skeleton， of which the para-aramid pulp surface was activated by the DMSO/KOH/H2O system， and 4A type molecular sieve as the adsorbent， the aramid fiber/molecular sieve paper-based materials were prepared via wet forming by compounding para-aramid pulp， meta-aramid precipitated fiber and molecular sieve. The results showed that when the mass ratio of para-aramid pulp， meta-aramid precipitated fiber did not be changed， and molecular sieve additive amount was 1.5 g， the prepared aramid fiber/molecular sieve paper-based material had the best comprehensive performance， with breaking stress of 8 MPa， air permeability of 35 μm/（Pa·s）， and removal rate towards PMs and formaldehyde of 99.99% and 93.17%， respectively. |
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