Bio-based poly(ethylene furanoate)/ZnO transparent thin films with improved water vapor barrier and antibacterial properties for food packaging application

被引：6
作者：
Zhu C. [1 ]
Yin J. [2 ]
Zhang Z. [1 ]
Shi F. [1 ]
机构：
[1] Institute of Medical Instruments, Zhejiang Pharmaceutical College, Ningbo
[2] Center For Medical Device Adverse Events Monitoring of Zhejiang, Zhejiang Medical Products Administration, Hangzhou
来源：
Materials Research Express | 2022年 / 9卷 / 11期
关键词：
antibacterial properties; biocomposite films; poly(ethylene furanoate); zinc oxide;
D O I：
10.1088/2053-1591/aca3fc
中图分类号：
学科分类号：
摘要：
Poly(ethylene furanoate) (PEF) biocomposite films incorporating zinc oxide nanoparticle (ZnO NPs) were prepared using a solvent casting method. The ZnO NPs were homogeneously dispersed within the PEF films with the aid of γ−aminopropyltriethoxylsilane (APTES). The water vapor barrier, optical transmittance and antimicrobial properties of the PEF/ZnO films were tested. Water vapor permeability (WVP) and transmittance in the visible (400-800 nm) region of control PEF film were 6.92 × 10-12 g·m m−2 · s·Pa and 87.3%, respectively. WVP value of PEF films decreased 43.2% through ZnO NPs compounding. On the contrary, transmittance of PEF films decreased 6.8% due to the absorption and scattering of ZnO NPs. In addition, the PEF film with modified ZnO NPs exhibited a bacteriostatic rate up to 97.0% after 3 h. Thus, the PEF/ZnO films show great potential in the field of food packaging. © 2022 The Author(s). Published by IOP Publishing Ltd.
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