单宁酸-植酸/聚乙烯醇复合薄膜制备及其紫外屏蔽性能表征

谢海燕; 邓家谊; 周晔瑶; 刘丽; 朱子汪妍; 柳鹏飞; 赖登旺

doi:10.19554/j.cnki.1001-3563.2026.07.004

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包装工程（技术栏目） ›› 2026, Vol. 47 ›› Issue (7) : 25-33. DOI: 10.19554/j.cnki.1001-3563.2026.07.004

先进材料

单宁酸-植酸/聚乙烯醇复合薄膜制备及其紫外屏蔽性能表征

谢海燕, 邓家谊, 周晔瑶, 刘丽, 朱子汪妍, 柳鹏飞, 赖登旺^*

作者信息 +

Preparation and Ultraviolet Shielding Properties Characterization of Tannic Acid-Phytic Acid/Polyvinyl Alcohol Composite Films

XIE Haiyan, DENG Jiayi, ZHOU Yeyao, LIU Li, ZHU Ziwangyan, LIU Pengfei, LAI Dengwang^*

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摘要

目的针对聚乙烯醇（PVA）薄膜紫外屏蔽性能不足的问题,制备出可满足食品与药品包装紫外防护要求的高性能复合薄膜,拓展PVA基包装材料的应用范围。方法通过在聚乙烯醇中添加植酸（PA）和单宁酸（TA）制成复合薄膜,测试薄膜在一定波长范围内的紫外透过率,探索PA和TA含量对其紫外屏蔽性能的影响。结果在单独添加TA的情况下PVA薄膜的紫外透过率低于10%,表现出良好的紫外屏蔽能力。单独添加PA也使PVA薄膜具有一定的紫外屏蔽能力,其紫外透过率在60%~80%范围内。而将TA和PA按照5%TA和10%PA的比例制成PVA复合薄膜,其紫外透过率几乎为0,同时保持较好的力学性能。结论 PA和TA复配能够显著提升PVA薄膜的紫外屏蔽能力,所制复合薄膜紫外防护效果优异,使其在食品与药品包装等领域具有广泛的应用前景。

Abstract

In response to the problem of insufficient ultraviolet shielding performance of polyvinyl alcohol (PVA) films, the work aims to prepare a high-performance composite film that can meet the ultraviolet protection requirements of food and drug packaging to expand the application scope of PVA-based packaging materials. Phytic acid (PA) and tannic acid (TA) were added to polyvinyl alcohol to make a composite film, the ultraviolet transmittance of the film in a certain wavelength range was tested, and the impact of PA and TA content on the ultraviolet shielding performance of the film was investigated. With the addition of TA alone, the ultraviolet transmittance of the PVA film was less than 10% and the film showed good ultraviolet shielding ability. Adding PA alone also made the PVA film have a certain ultraviolet shielding ability, with its ultraviolet transmittance in the range of 60%-80%. When TA and PA were added into PVA composite film according to the ratio of 5%TA-10%PA, the film had a ultraviolet transmittance of almost 0, while maintaining good mechanical properties. The combination of PA and TA can significantly improve the ultraviolet shielding ability of the PVA film. The composite film has excellent ultraviolet protection effect, which makes it have a wide application prospect in food and drug packaging and other fields.

导出引用

谢海燕, 邓家谊, 周晔瑶, 刘丽, 朱子汪妍, 柳鹏飞, 赖登旺. 单宁酸-植酸/聚乙烯醇复合薄膜制备及其紫外屏蔽性能表征[J]. 包装工程. 2026, 47(7): 25-33 https://doi.org/10.19554/j.cnki.1001-3563.2026.07.004

XIE Haiyan, DENG Jiayi, ZHOU Yeyao, LIU Li, ZHU Ziwangyan, LIU Pengfei, LAI Dengwang. Preparation and Ultraviolet Shielding Properties Characterization of Tannic Acid-Phytic Acid/Polyvinyl Alcohol Composite Films[J]. Packaging Engineering. 2026, 47(7): 25-33 https://doi.org/10.19554/j.cnki.1001-3563.2026.07.004

中图分类号： TB332 TB484

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