Green and efficient electrospinning of ethyl cellulose-based nanofibrous membrane for high-performance and antibacterial air filtration

IF 10.7 1区化学 Q1 CHEMISTRY, APPLIED

Carbohydrate Polymers Pub Date : 2025-06-10 DOI:10.1016/j.carbpol.2025.123893

Ruixin Chen , Qibin Wang , Ruimin Shen , Zeqian Gui , Yuhang Yan , Min Tang , Zhiwei Chen , Zungui Shao , Gaofeng Zheng

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Abstract

The environmentally friendly, economical, and efficient production of high-performance and multifunctional bio-based air filter membranes is crucial for the protection of human health and sustainable development. However, this endeavor is significantly limited by the current gap in material selection and process routes. This study proposes a strategy for advanced functionalization and structural optimization of ethyl cellulose (EC) to effectively develop a high-performance, fully bio-based air filter membrane exhibiting superior antibacterial properties. Through the minimal interference method, konjac glucomannan (KGM) and curcumin (Cur) were blended with EC, which preserved the bimodal fibers to the highest degree. By green electrospinning in one step, the quality factor of EC/KGM/Cur membranes reached 0.101 Pa⁻¹, the antibacterial activity against Escherichia coli and Staphylococcus aureus reached >99.6 %, and the productivity of EC/KGM/Cur membranes prepared by using sheath gas was increased by almost 14.73 times. This study offers a sustainable, scalable, and versatile manufacturing approach for air filters and thus a promising solution to the urgent need for environmentally friendly and efficient filter systems.

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绿色高效静电纺丝用于高效抗菌空气过滤的乙基纤维素基纳米纤维膜

环保、经济、高效地生产高性能多功能生物基空气过滤膜对保护人类健康和可持续发展至关重要。然而，这一努力受到当前材料选择和工艺路线差距的极大限制。本研究提出了对乙基纤维素（EC）进行高级功能化和结构优化的策略，以有效地开发出具有优异抗菌性能的高性能、全生物基空气过滤膜。通过最小干扰法，将魔芋葡甘露聚糖（KGM）和姜黄素（Cur）与EC共混，使双峰纤维得到最大程度的保存。一步绿色静电纺丝制得的EC/KGM/Cur膜的品质因子达到0.101 Pa−1，对大肠杆菌和金黄色葡萄球菌的抑菌活性达到99.6%，鞘气法制得的EC/KGM/Cur膜的产率提高了近14.73倍。这项研究为空气过滤器提供了一种可持续的、可扩展的、通用的制造方法，从而为迫切需要环保和高效的过滤系统提供了一个有希望的解决方案。

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来源期刊

Carbohydrate Polymers 化学-高分子科学

CiteScore

22.40

自引率

8.00%

发文量

1286

审稿时长

47 days

期刊介绍： Carbohydrate Polymers stands as a prominent journal in the glycoscience field, dedicated to exploring and harnessing the potential of polysaccharides with applications spanning bioenergy, bioplastics, biomaterials, biorefining, chemistry, drug delivery, food, health, nanotechnology, packaging, paper, pharmaceuticals, medicine, oil recovery, textiles, tissue engineering, wood, and various aspects of glycoscience. The journal emphasizes the central role of well-characterized carbohydrate polymers, highlighting their significance as the primary focus rather than a peripheral topic. Each paper must prominently feature at least one named carbohydrate polymer, evident in both citation and title, with a commitment to innovative research that advances scientific knowledge.