壳聚糖/聚乙烯醇/薄荷醇复合膜的制备与性能评价

吴郁; 贾修齐; 范正旸; 吕芝瑶; 陈家雨; 柯健; 杨轲

doi:10.19554/j.cnki.1001-3563.2026.19.002

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包装工程（技术栏目） ›› 2026, Vol. 47 ›› Issue (19) : 13-21. DOI: 10.19554/j.cnki.1001-3563.2026.19.002

先进材料

壳聚糖/聚乙烯醇/薄荷醇复合膜的制备与性能评价

吴郁, 贾修齐, 范正旸, 吕芝瑶, 陈家雨, 柯健, 杨轲^*

作者信息 +

Preparation and Properties Evaluation of Chitosan/Polyvinyl alcohol/Menthol Composite Films

WU Yu, JIA Xiuqi, FAN Zhengyang, LYU Zhiyao, CHEN Jiayu, KE Jian, YANG Ke^*

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文章历史 +

摘要

目的制备壳聚糖（CS）/聚乙烯醇（PVA）/薄荷醇抑菌复合膜并对其性能进行评价,以改善传统塑料包装膜缺乏抑菌功能且易引发环境污染的问题。方法采用单因素试验法,对甘油含量、成膜液体积和干燥温度进行优化,采用电子万能试验机测试复合膜的力学性能,结合菌落计数法评价复合膜对大肠杆菌和金黄色葡萄球菌的抑菌活性。结果当甘油的质量分数为1%（以溶液总质量计）、成膜液体积为50 mL、干燥温度为45 ℃时,复合膜表现出较优的力学性能且甘油添加量对其力学性能影响最为显著。当薄荷醇的质量分数为8%（以溶液点质量计）时,该复合膜对大肠杆菌和金黄色葡萄球菌的抑菌率均高于95%,均表现出较强的抑菌活性。结论该复合膜兼具良好的力学性能与抑菌优势,在食品保鲜包装等领域具有良好的应用前景,可为环境友好型高性能抑菌包装材料的开发提供新思路。

Abstract

The work aims to explore the preparation and properties evaluation of a novel green antibacterial film composed of chitosan (CS)/polyvinyl alcohol (PVA) and menthol, aiming to address traditional plastics' critical challenges, such as lack of antibacterial activity and consequence of environmental pollution. The single-factor variable method was used to optimize the film preparation process by adjusting glycerol concentration, film-forming liquid volume, and drying temperature. Mechanical properties of the composite films were characterized with an electronic universal testing machine, and its antibacterial activity against Escherichia coli and Staphylococcus aureus was assessed through colony count methods. The composite films exhibited superior mechanical properties at 1% (w/w,based on the total mass of the solution) glycerol concentration, 50 mL film-forming liquid volumes, and 45 ℃ drying temperature, and addition of glycerol exerted a significant effect on the mechanical properties. The antibacterial results showed that when menthol concentration reached 8% (w/w), based on the total mass of the solution, the film performed over 95% antibacterial efficacy against both E. coli and S. aureus, revealing broad-spectrum antibacterial characteristics. Therefore, this composite film of both excellent mechanical properties and antibacterial advantages exhibits promising applications in food preservation packaging, providing innovative insights for developing environmentally friendly, efficient antibacterial materials.

导出引用

吴郁, 贾修齐, 范正旸, 吕芝瑶, 陈家雨, 柯健, 杨轲. 壳聚糖/聚乙烯醇/薄荷醇复合膜的制备与性能评价[J]. 包装工程. 2026, 47(19): 13-21 https://doi.org/10.19554/j.cnki.1001-3563.2026.19.002

WU Yu, JIA Xiuqi, FAN Zhengyang, LYU Zhiyao, CHEN Jiayu, KE Jian, YANG Ke. Preparation and Properties Evaluation of Chitosan/Polyvinyl alcohol/Menthol Composite Films[J]. Packaging Engineering. 2026, 47(19): 13-21 https://doi.org/10.19554/j.cnki.1001-3563.2026.19.002

中图分类号： TB484 TS255.3

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