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Electrocharged facepiece respirator fabrics using common materials
Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences ( IF 2.9 ) Pub Date : 2020-11-01 , DOI: 10.1098/rspa.2020.0469
M M Bandi 1
Affiliation  

Face masks in general, and N95 filtering facepiece respirators (FRs) that protect against SARS-Cov-2 virion in particular, have become scarce during the ongoing COVID-19 global pandemic. This work presents practical design principles for the fabrication of electrocharged filtration layers employed in N95 FRs using commonly available materials and easily replicable methods. The input polymer is polypropylene or polystyrene, and can include discarded plastic containers of these materials, and the fabrication set-up is based on the cotton candy (CC) principle. The primary parameters underlying the CC principle are translated to simple design rules that allow anyone to construct their own fabrication system from common parts, or employ a commercial CC machine with minimal modifications. Finally, basic characterization results for structural and filtration properties of electrocharged fabrics made using the CC principle are detailed.

中文翻译:


使用普通材料的充电面罩呼吸器织物



在持续的 COVID-19 全球大流行期间,普通口罩,尤其是可预防 SARS-Cov-2 病毒粒子的 N95 过滤面罩呼吸器 (FR) 已变得稀缺。这项工作提出了使用常用材料和易于复制的方法制造 N95 FR 中使用的带电过滤层的实用设计原理。输入聚合物是聚丙烯或聚苯乙烯,并且可以包括这些材料的废弃塑料容器,并且制造设置基于棉花糖(CC)原理。 CC 原理的主要参数被转化为简单的设计规则,允许任何人用通用部件构建自己的制造系统,或使用经过最小修改的商用 CC 机器。最后,详细介绍了使用 CC 原理制成的带电织物的结构和过滤性能的基本表征结果。
更新日期:2020-11-01
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