Lavender Essential Oil-Loaded Composite Fiber Membrane Prepared by Coaxial Electrospinning for High-Performance, Antibacterial, and Lasting-Fragrance Air Filtration

IF 2.7 3区化学 Q2 POLYMER SCIENCE

Journal of Applied Polymer Science Pub Date : 2025-03-26 DOI:10.1002/app.57000

Jiayi He, Yibin Chen, Jiyuan Wang, Sangrong Chen, Xingzi Lan, Maolin Liu, Xiaojie Chen, Weicheng Ou, Han Wang

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Abstract

In this study, LO (lavender essential oil) and PCL (polycaprolactone)-based nanofibrous membranes were successfully prepared using electrospinning technology. Due to the large specific surface area of the coaxial electrospinning nanofibers, the composite fiber membrane synthesized displays outstanding performance in the loading and release of LO. The study examines three common essential oils: Lavender Flower Oil (LFO), Lavandin Hybrida Oil (LHO), and Lavender Spike Oil (LSO). The results showed that this nanofiber membrane can effectively encapsulate LO, achieve long-term release, and exhibit long-lasting aroma and antibacterial effects. In terms of air filtration performance, the LHO/PCL membrane with an inner DMF (dimethylformamide) concentration of 5% has a significant filtration effect on PM2.5. In addition, in vitro antibacterial experiments show that LO/PCL nanofiber membranes have good antibacterial properties against Escherichia coli and Staphylococcus aureus , especially the LHO/PCL and LSO/PCL membranes. In summary, the LHO/PCL nanofiber membrane with 5% DMF demonstrated high filtration efficiency (quality factors is 0.13 Pa⁻¹), sustained aroma retention for over 7 days, and exhibited antimicrobial properties, effectively inhibiting bacterial growth by 99% in testing. Therefore, the LO/PCL nanofiber membrane shows good application potential as an essential oil carrier in air filtration systems.

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同轴静电纺丝制备薰衣草精油复合纤维膜，用于高效、抗菌、持久芳香的空气过滤

本研究采用静电纺丝技术成功制备了薰衣草精油和聚己内酯基纳米纤维膜。由于同轴静电纺丝纳米纤维具有较大的比表面积，所合成的复合纤维膜在负载和释放LO方面表现出优异的性能。该研究考察了三种常见的精油：薰衣草花油（LFO）、薰衣草杂花油（LHO）和薰衣草穗油（LSO）。结果表明，该纳米纤维膜能有效封装LO，实现长效释放，并具有持久的香气和抗菌效果。在空气过滤性能方面，内层DMF浓度为5%的LHO/PCL膜对PM2.5的过滤效果显著。此外，体外抗菌实验表明，LO/PCL纳米纤维膜对大肠杆菌和金黄色葡萄球菌具有良好的抗菌性能，特别是LHO/PCL和LSO/PCL膜。综上所述，添加5% DMF的LHO/PCL纳米纤维膜具有较高的过滤效率（品质因子为0.13 Pa−1），持续香气保留时间超过7天，并具有抗菌性能，有效抑制细菌生长99%。因此，LO/PCL纳米纤维膜作为精油载体在空气过滤系统中具有良好的应用潜力。

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来源期刊

Journal of Applied Polymer Science 化学-高分子科学

CiteScore

5.70

自引率

10.00%

发文量

1280

审稿时长

2.7 months

期刊介绍： The Journal of Applied Polymer Science is the largest peer-reviewed publication in polymers, #3 by total citations, and features results with real-world impact on membranes, polysaccharides, and much more.