Facile microfluidic fabrication and characterization of ethyl cellulose/PVP films with neatly arranged fibers
文献类型： 外文期刊
作者： Rao, Jingshan 1 ; Shen, Chaoyi 2 ; Yang, Zhichao 1 ; Fawole, Olaniyi Amos 3 ; Li, Jiangkuo 4 ; Wu, Di 1 ; Chen, Kunsong 1 ;
作者机构： 1.Zhejiang Univ, Coll Agr & Biotechnol, Zhejiang Prov Key Lab Hort Plant Integrat Biol, State Agr Minist Lab Hort Plant Growth,Dev & Qual, Hangzhou 310058, Peoples R China
2.Zhejiang Univ, Coll Biosyst Engn & Food Sci, Zijingang Campus, Hangzhou 310058, Peoples R China
3.Univ Johannesburg, Dept Bot & Plant Biotechnol, Postharvest Res Lab, POB 524,Auckland Pk, ZA-2006 Johannesburg, South Africa
4.Tianjin Acad Agr Sci, Natl Engn & Technol Res Ctr Preservat Agr Prod Tia, Tianjin 300384, Peoples R China
5.Zhejiang Univ, Zhongyuan Inst, Zhengzhou 450000, Peoples R China
关键词： Microfluidic spinning; Neatly arranged fibers; Ethyl cellulose; Polyvinylpyrrolidone; Microfiber films
期刊名称：CARBOHYDRATE POLYMERS （ 影响因子：10.723； 五年影响因子：9.964 ）
ISSN： 0144-8617
年卷期： 2022 年 292 卷
页码：
收录情况： SCI
摘要： Much attention and endeavor have been paid to developing biocompatible food packaging films. Here, ethyl cellulose (EC) and polyvinylpyrrolidone (PVP) were fabricated into films through a facile method, microfluidic spinning. Morphology observations showed that the fibers were neatly arranged with an average diameter of 1-4 mu m. FTIR and X-ray diffraction analysis suggested the existence of good compatibility and interaction between EC and PVP. Thermogravimetric analysis demonstrated that PVP ameliorates the thermal properties; moreover, the tensile properties were improved, with tensile strength (TS) and Young's modulus up to 11.10 +/- 1.04 MPa and 350.16 +/- 45.46 MPa, respectively. The optimal formula was EC/PVP (2:3), of which the film displayed an enhanced TS of 4.61 +/- 1.15 MPa and a modified water contact angle of 61.8 +/- 4.4 degrees, showing fine tensile and hydrophilic performance. This study provides a facile and green film fabrication method promising to be used for food wrapping.
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