解码棉/聚酯混纺的微塑料脱落：通过纤维鉴定的分析

IF 7.3 2区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Environmental Pollution Pub Date : 2025-07-28 DOI:10.1016/j.envpol.2025.126909

Yi Zhang , Abu Naser Md Ahsanul Haque , Shervin Ranjbar , David Tester , Maryam Naebe

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引用次数: 0

摘要

微塑料已经加入了越来越多的环境污染物的行列，这些污染物影响着整个生态系统，也影响着陆地、海洋动物和人类的健康。纺织品是微塑料的主要来源，聚酯纤维的释放量占全球纺织品产量的三分之二。涤纶既用于长丝，也用于短纤维，而短纤维由于尺寸较短，因此更容易脱落，因此纤维末端数量较多。尽管涤纶短纤维被广泛用于与天然纤维（主要是棉花）混纺，以生产各种各样的服装，但目前的文献主要集中在报道100%涤纶织物中聚酯的释放，而不是混纺。这些混合物构成了日常用品，如床单、枕套和衣服。然而，聚酯纤维在混纺中使用时的真实脱落特性尚不清楚。本文首次采用化学分离的方法，对棉/涤混纺织物中聚酯脱落比例进行了精确定量。本研究通过对不同结构织物的分析，对日常使用过程中的微塑料脱落进行了真实的评估，为开发更可持续的纺织品和减少环境污染提供了有价值的见解。通过对工业浆料废水的测试，验证了该方法的准确性。结果证实，使用这种技术可以有效地去除大部分棉纤维，留下完整的聚酯纤维，并有助于精确测量微塑料的数量。结果表明，织物的组织结构和涤纶在共混物中所占的比例都对微塑性释放有影响。与单独的涤纶织物相比，棉/涤纶混纺织物的脱落现象明显更高。总的来说，本研究对混纺织物中聚酯的脱落行为有了清晰的认识，为微塑性的形成和释放机理提供了有价值的证据。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Decoding microplastic shedding from cotton/polyester blends: An analysis through fiber identification

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Decoding microplastic shedding from cotton/polyester blends: An analysis through fiber identification

Microplastics have joined a growing list of environmental pollutants that affect the ecosystem in general, as well as the health of land and sea fauna and humans. Textiles are a major source of microplastics, led by the release from polyester fibers that are two-thirds of global textile production. Polyester is used both in filament and staple fiber form, while staple fibers are more prone to shedding due to their shorter size, and therefore a greater number of fibers ends. Despite staple polyester fibers being popular for blending with natural fibers (mostly cotton) to produce a wide variety of garments, current literature has concentrated on reporting the release of polyester from 100 % polyester fabrics rather than blends. These blends make up everyday items such as sheets, pillowcases, and clothing. However, the true shedding characteristics of polyester fibers when they are used in a blend are unclear. This paper, for the first time, employs a chemical separation method to accurately quantify the proportion of polyester shed from cotton/polyester blend fabrics. By analyzing fabrics with different structures, this study provides a realistic assessment of microplastic shedding during regular use, offering valuable insights for developing more sustainable textiles and reducing environmental pollution. The accuracy of the proposed method was also validated by testing wastewater from commercial slurry. Results confirmed that the majority of the cotton fibers were effectively removed using this technique, leaving the polyester fibers intact, and facilitating precise measurement of the quantity of microplastics. It was observed that both the weave structure and the proportion of polyester in the blend can affect the microplastic release. The shedding phenomenon is observed significantly higher for cotton/polyester blends compared to polyester fabric alone. Overall, this study provides a clear understanding of the shedding behavior of polyester from blend fabrics, offering valuable evidence for the mechanism of microplastic formation and release.

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来源期刊

Environmental Pollution 环境科学-环境科学

CiteScore

16.00

自引率

6.70%

发文量

2082

审稿时长

2.9 months

期刊介绍： Environmental Pollution is an international peer-reviewed journal that publishes high-quality research papers and review articles covering all aspects of environmental pollution and its impacts on ecosystems and human health. Subject areas include, but are not limited to: • Sources and occurrences of pollutants that are clearly defined and measured in environmental compartments, food and food-related items, and human bodies; • Interlinks between contaminant exposure and biological, ecological, and human health effects, including those of climate change; • Contaminants of emerging concerns (including but not limited to antibiotic resistant microorganisms or genes, microplastics/nanoplastics, electronic wastes, light, and noise) and/or their biological, ecological, or human health effects; • Laboratory and field studies on the remediation/mitigation of environmental pollution via new techniques and with clear links to biological, ecological, or human health effects; • Modeling of pollution processes, patterns, or trends that is of clear environmental and/or human health interest; • New techniques that measure and examine environmental occurrences, transport, behavior, and effects of pollutants within the environment or the laboratory, provided that they can be clearly used to address problems within regional or global environmental compartments.