Poly (butylene adipate-co-terephthalate)/magnesium oxide/silver ternary composite biofilms for food packaging application

被引：50

作者：

Zhang, Jie ^{[1
]}

Cao, Chenglin ^{[1
]}

Zheng, Shaoming ^{[2
]}

Li, Wei ^{[1
]}

Li, Baobi ^{[1
]}

Xie, Xiaoling ^{[1
]}

机构：

[1] Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan 030024, Peoples R China

[2] Fujian Prov Fiber Inspect Bur, Fujian Prov Key Lab Text Inspect Technol, Fuzhou 350026, Peoples R China

来源：

FOOD PACKAGING AND SHELF LIFE | 2020年 / 24卷

基金：

中国国家自然科学基金;

关键词：

Poly (butylene adipate-co-terephthalate) (PBAT); Magnesium oxide (MgO); Composite; Antibacterial activity; Food packaging; ALIPHATIC-AROMATIC COPOLYESTER; ANTIBACTERIAL ACTIVITY; MGO NANOPARTICLES; FILMS; NANOCOMPOSITES; BIONANOCOMPOSITE; PERFORMANCE; MECHANISMS; TOXICITY; BLEND;

D O I：

10.1016/j.fpsl.2020.100487

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

Poly (butylene adipate-co-terephthalate) (PBAT)/magnesium oxide (MgO)/silver (Ag) ternary composite biofilms were prepared via a common solvent casting method and used for food packaging. The effects of MgO/Ag nanoparticles (NPs) on the physical and antibacterial properties of the composite biofilms were comprehensively investigated. The physical properties of the PBAT matrix, such as the mechanical and barrier properties, are improved by the incorporation of MgO/Ag NPs. The composite films with 3 wt% NPs content exhibit the optimal properties. Specifically, the tensile strength, the elongation at break, water barrier property, and oxygen barrier property are 11.91 MPa, 415.63 %, 1.135 kg.m/m(2).s.Pa, and 3.679 Barrer, respectively. Furthermore, the inhibition rates of ternary composite film against Escherichia coli and Staphylococcus aureus exceed 90 %, indicating potential for application in the food packaging industry.

引用

页数：8

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