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开发一种由天然纤维制成的层以提高II型口罩的生态性能。

Development of a Layer Made of Natural Fibers to Improve the Ecological Performance of the Face Mask Type II.

作者信息

Mańkowski Jerzy, Zimniewska Małgorzata, Gieparda Weronika, Romanowska Barbara, Kicińska-Jakubowska Anna, Kołodziej Jacek, Foksowicz-Flaczyk Joanna, Rojewski Szymon, Bujnowicz Krzysztof, Przybylska Patrycja, Kwiatkowska Edyta, Alam M D Masud, Różańska Wanda, Wawro Aleksandra, Hołderna-Kędzia Elżbieta

机构信息

Institute of Natural Fibers and Medicinal Plants National Research Institute, Wojska Polskiego 71B, 60-630 Poznan, Poland.

出版信息

Materials (Basel). 2023 Aug 17;16(16):5668. doi: 10.3390/ma16165668.

DOI:10.3390/ma16165668
PMID:37629959
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10456554/
Abstract

The aim of this study was to develop a natural nonwoven layer made of cottonized bleached flax and cotton fibers which is suitable to replace one of the three polypropylene layers of face mask type II in order to reduce non-biodegradable waste production and limit the negative impact of used masks on the environment. The work focused on the design of a nonwoven structure based on properly blending cotton and flax fibers as well as ensuring the cover factor, which can support the mask's barrier properties against air dust particles and does not make breathing difficult. Additionally, a biodegradable film was developed to connect the nonwoven layer with the other polypropylene filtering layers. The effectiveness of the biodeterioration of the flax/cotton nonwoven was evaluated based on a test of the susceptibility of materials to the action of soil microorganisms. The flax/cotton nonwoven layer was tested in terms of mechanical, physical, and biophysical properties, and an analysis of the covering of the nonwoven surface with fibers was conducted as well. The results confirmed that the structure of flax/cotton nonwovens is suitable to replace the nondegradable polypropylene layer of the face mask type II to improve its environmental performance.

摘要

本研究的目的是开发一种由棉化漂白亚麻和棉纤维制成的天然非织造层，该层适合替代II型口罩三层聚丙烯层中的一层，以减少不可生物降解废物的产生，并限制用过的口罩对环境的负面影响。这项工作重点在于设计一种基于适当混合棉纤维和亚麻纤维的非织造结构，并确保覆盖系数，该系数能够支持口罩对空气尘埃颗粒的阻隔性能，且不会造成呼吸困难。此外，还开发了一种可生物降解的薄膜，用于将非织造层与其他聚丙烯过滤层连接起来。基于材料对土壤微生物作用的敏感性测试，评估了亚麻/棉非织造布生物降解的有效性。对亚麻/棉非织造层进行了机械、物理和生物物理性能测试，并对非织造表面的纤维覆盖情况进行了分析。结果证实，亚麻/棉非织造布的结构适合替代II型口罩的不可降解聚丙烯层，以改善其环境性能。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/e57fce20d47a/materials-16-05668-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/1bb30b0521f4/materials-16-05668-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/567106d943e7/materials-16-05668-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/72acc1e739cb/materials-16-05668-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/4ddd4dd91d93/materials-16-05668-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/60e22960169f/materials-16-05668-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/b30725c8ee14/materials-16-05668-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/8b7adf1dddaf/materials-16-05668-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/cec9c4a4e226/materials-16-05668-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/b16e5f020a64/materials-16-05668-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/2482c4debb51/materials-16-05668-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/9b8db60c6b47/materials-16-05668-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/e57fce20d47a/materials-16-05668-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/1bb30b0521f4/materials-16-05668-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/567106d943e7/materials-16-05668-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/72acc1e739cb/materials-16-05668-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/4ddd4dd91d93/materials-16-05668-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/60e22960169f/materials-16-05668-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/b30725c8ee14/materials-16-05668-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/8b7adf1dddaf/materials-16-05668-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/cec9c4a4e226/materials-16-05668-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/b16e5f020a64/materials-16-05668-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/2482c4debb51/materials-16-05668-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/9b8db60c6b47/materials-16-05668-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/786a/10456554/e57fce20d47a/materials-16-05668-g012.jpg

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