Polyvinyl alcohol/xanthan gum composite film with excellent food packaging, storage and biodegradation capability as potential environmentally-friendly alternative to commercial plastic bag
文献类型： 外文期刊
作者： Chen, Jianfu 1 ; Zheng, Meixia 2 ; Tan, Kok Bing 3 ; Lin, Junyan 1 ; Chen, Meichun 2 ; Zhu, Yujing 2 ;
作者机构： 1.Zhangzhou Inst Technol, Coll Food Engn, Zhangzhou 363000, Peoples R China
2.Fujian Acad Agr Sci, Agr Bioresources Res Inst, Fuzhou 350003, Fujian, Peoples R China
3.Huaqiao Univ, Integrated Nanocatalysts Inst INCI, Coll Chem Engn, Xiamen 361021, Peoples R China
关键词： Polyvinyl alcohol; Xanthan gum; Composite film; Bio-degradation; Packaging
期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：8.025； 五年影响因子：7.626 ）
ISSN： 0141-8130
年卷期： 2022 年 212 卷
页码：
收录情况： SCI
摘要： Polyvinyl alcohol (PVA)-xanthan gum (XG) composite films with good degradation properties were prepared by casting method. The effects of XG amount on thickness, moisture content, water solubility, water vapor transmission (WVP), transmittance and mechanical properties of the composite film were investigated. All composite films produced uniform and transparent films and Fourier transform infrared (FT-IR) spectroscopy, as well as Xray diffraction (XRD) had proven the formation of hydrogen bonds and subsequently compatibility of the two polymers. In general, addition of XG in PVA was able to decrease moisture content, water solubility and WVP more than the pure PVA films, with sample PX30 demonstrated the best performance. This sample also had the best mechanical properties. It also demonstrated food packaging and capability better than that of commercial plastic bag. More importantly, our sample can be fully decomposed in soil and water within 12 h, which was not only significantly shorter than commercial plastic bag, but also other biodegradable materials. Therefore, PVA/ XG-based food packaging material has demonstrated huge potential to be commercialized and replaces commercial plastic bag as an alternative packing material which is renewable, sustainable and environmentally friendly.
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