Cloth Face Coverings: Effect of Decontamination Method on Fabric Performance

IF 0.6 4区 工程技术 Q4 MATERIALS SCIENCE, TEXTILES AATCC Journal of Research Pub Date : 2022-10-27 DOI:10.1177/24723444221132051
Katarina Goodge, Margaret Frey
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引用次数: 1

Abstract

Various textiles have previously been evaluated for use in cloth face masks as a reusable option to help control the spread of respiratory viruses, but only their initial performance was tested. In this study, a broad range of fabrics (3 knit, 7 woven, and 3 nonwoven) were characterized for filtration efficiency (FE) and air permeability (AP) before and after 40 decontamination cycles by home laundry, microwave-generated steam, or dishwasher sterilization. AP was quantified following ASTM D737, and FE was assessed using NaCl aerosol in a simulated breathing system. While most fabrics maintained or improved their FE after 40 decontamination cycles, the AP of many fabrics decreased due to detergent buildup, fiber breakage, and fabric shrinkage. Tightly woven cotton fabrics had unacceptably low AP and FE performance. Knit and nonwoven structures had the best balance of properties, and although they are not recommended for use in single-layer masks, they have potential use in multilayer masks.
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布面覆盖物:去污方法对织物性能的影响
以前曾评估过各种纺织品用于布口罩,作为一种可重复使用的选择,以帮助控制呼吸道病毒的传播,但只测试了它们的初始性能。在这项研究中,通过家庭洗衣、微波产生的蒸汽或洗碗机消毒,在40个去污周期前后,对各种织物(3种针织物、7种机织物和3种非织造物)的过滤效率(FE)和透气性(AP)进行了表征。AP按照ASTM D737进行定量,FE在模拟呼吸系统中使用NaCl气溶胶进行评估。虽然大多数织物在40个去污周期后保持或改善了它们的FE,但许多织物的AP由于洗涤剂堆积、纤维断裂和织物收缩而降低。紧密编织的棉织物的AP和FE性能低得令人无法接受。针织和非织造结构具有最佳的性能平衡,尽管不建议在单层口罩中使用,但它们在多层口罩中有潜在的用途。
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来源期刊
AATCC Journal of Research
AATCC Journal of Research MATERIALS SCIENCE, TEXTILES-
CiteScore
1.30
自引率
0.00%
发文量
34
期刊介绍: AATCC Journal of Research. This textile research journal has a broad scope: from advanced materials, fibers, and textile and polymer chemistry, to color science, apparel design, and sustainability. Now indexed by Science Citation Index Extended (SCIE) and discoverable in the Clarivate Analytics Web of Science Core Collection! The Journal’s impact factor is available in Journal Citation Reports.
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