University Chemistry ›› 2020, Vol. 35 ›› Issue (12): 94-100.doi: 10.3866/PKU.DXHX202008091
Special Issue: 科学抗疫中的化学
• Special Subject • Previous Articles Next Articles
Effect of Daily Use on Microstructure and Filtration Efficiency of Disposable Medical Face Masks
Lisen Sun1,*(
), Shasha Liu1, Jinfen Zhang1, Lin Wang2, Yongmei Liu1
- 1 National Demonstration Center for Experimental Chemistry Education(Fudan University), Shanghai 200433, P. R. China
2 Department of Environmental Science and Engineering, Fudan University, Shanghai 200438, P. R. China
-
Received:2020-08-31Accepted:2020-10-15Published:2020-11-03 -
Contact:Lisen Sun E-mail:lssun@fudan.edu.cn
MSC2000:
- G64
Cite this article
Lisen Sun, Shasha Liu, Jinfen Zhang, Lin Wang, Yongmei Liu. Effect of Daily Use on Microstructure and Filtration Efficiency of Disposable Medical Face Masks[J].University Chemistry, 2020, 35(12): 94-100.
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| 样品 | 过滤效率/% | 过滤效率下降/% |
| 新口罩 | 91.3 | – |
| 使用8 h | 86.8 | 4.93 |
| 75%酒精消毒 | 82 | 10.19 |
| 水湿 | 88 | 3.61 |
| 折叠 | 87.7 | 3.94 |
| 揉搓 | 88.9 | 2.63 |
"
| 样品 | 14–50 nm过滤效率/% | 50–100 nm过滤效率/% | 100–662 nm过滤效率/% |
| 新口罩 | 91.7 | 88.5 | 93.8 |
| 使用8 h | 85.4 | 85.2 | 89.6 |
| 75%酒精消毒 | 87.4 | 77.6 | 82.4 |
| 水湿 | 88 | 83.6 | 92.4 |
| 折叠 | 88.1 | 84.5 | 90.6 |
| 揉搓 | 89.4 | 85.8 | 91.8 |
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| 样品 | 14–50 nm过滤效率下降/% | 50–100 nm过滤效率下降/% | 100–662 nm过滤效率下降/% |
| 使用8 h | 6.87 | 3.73 | 4.48 |
| 75%酒精消毒 | 4.69 | 12.32 | 12.15 |
| 水湿 | 4.03 | 5.54 | 1.49 |
| 折叠 | 3.93 | 4.52 | 3.41 |
| 揉搓 | 2.51 | 3.05 | 2.13 |
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