为了赋予纺织品抗菌性能,通过离心静电纺丝技术将抗菌材料薰衣草精油微胶囊负载在聚丙烯腈(PAN)纳米纤维中,制备了抗菌纳米纤维膜,探究了纺丝液中PAN含量对抗菌纳米纤维膜形貌的影响,并对抗菌纳米纤维膜的化学结构、热稳定性、精油缓释和抗菌性能进行了测试与表征。结果表明,当PAN质量分数为8%时,制备的抗菌纳米纤维膜形态良好,对大肠杆菌和金黄色葡萄球菌均具有抑制性,放置4周后抗菌纳米纤维膜对大肠杆菌和金黄色葡萄球菌的抑菌率分别从99.1%和98.7%降低到75.5%和72.6%。
In order to endow textiles with antibacterial properties,antibacterial material lavender essential oil microcapsules were loaded into polyacrylonitrile (PAN) by centrifugal electrospinning technology to prepare an antibacterial nanofiber membrane.The effect of PAN content in the spinning solution on the morphology of the antibacterial nanofiber membrane was investigated,and the chemical structure,thermal stability,essential oil slow-release and antibacterial properties of the antibacterial nanofiber membrane were tested and characterized.The results showed that when the mass fraction of PAN was 8%,the prepared antibacterial nanofiber membrane exhibited good morphology and antibacterial activity against both Escherichia coli and Staphylococcus aureus.After 4 weeks of placement,the antibacterial rate of the antibacterial nanofiber membrane against Escherichia coli and Staphylococcus aureus decreased from 99.1% and 98.7% to 75.5% and 72.6%,respectively.
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基金资助
国家自然科学基金(52263024);杰出青年科技人才培养项目(2020Q003)
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