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Disposable face masks release micro particles to the aqueous environment after simulating sunlight aging: Microplastics or non-microplastics? by Minglu Ma; Dongyu Xu; Jian Zhao; Bo Gao is a Environmental Science article available to read on EtoBox.
What is Disposable face masks release micro particles to the aqueous environment after simulating sunlight aging: Microplastics or non-microplastics? about?
This study focuses on characterizing microplastics and non-microplastics released from surgical masks (SMs), N95 masks (N95), KN95 masks (KN95), and children's masks (CMs) after simulating sunlight aging. Based on micro-Raman spectrum analysis, it was found that the dominant particles released from masks were non-microplastics (66.76-98.85%). Unfortunately, CMs released the most microplastics, which is 8.92 times more than SMs. The predominant size range of microplastics was 30-500 μm, and the main polymer types were PP and PET. Compared with the whole SMs, the microplastic particles released from the cutting-SMs increased conspicuously, which is 12.15 times that of the whole SMs. The main components of non-microplastics include β-carotene, microcrystalline cellulose 102, and eight types of minerals. Furthermore, non-microplastics were mainly fibrous and fragmented in appearance, similar to the morphology of microplastics. After 15 days of UVA-aging, the fibers of the face layers had cracks to varying degrees. It was estimated that these four types of masks can release at least 31.5 trillion microplastics annually in China. Overall, this study demonstrated that the masks could rele
Who reads Disposable face masks release micro particles to the aqueous environment after simulating sunlight aging: Microplastics or non-microplastics??
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Minglu Ma; Dongyu Xu; Jian Zhao; Bo Gao
- Publisher
- Elsevier BV
- Published
- 2022
- Language
- EN
- Field
- Environmental Science (Physical Sciences)