Enhanced water vapor barrier and gas barrier properties of transparent poly (butylene adipate-co-terephthalate)/poly(lactic acid)/hexagonal boron nitride nanosheets composite films

被引：2
|
作者：
Wang, Ke [1 ]
Sun, Xiaoyan [1 ]
Li, Fayong [1 ]
Xie, Dong [1 ]
机构：
[1] Guangdong Acad Sci, Inst Biol & Med Engn, Guangdong Biomat Engn Technol Res Ctr, Guangzhou 510316, Peoples R China
来源：
MATERIALS LETTERS | 2023年 / 352卷
关键词：
Composite materials; Nanocomposites; Thin films; Biodegradable polymers;
D O I：
10.1016/j.matlet.2023.135171
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The water vapor barrier and gas barrier properties are very important factors for biodegradable packaging films. Herein, nano-sized hexagonal boron nitride nanosheets (hBNNSs) were facilely exfoliated, and novel transparent poly(butylene adipate-co-butylene terephthalate) (PBAT)/poly(lactic acid) (PLA) films incorporated with hBNNS were developed. Compared to those properties of neat PBAT/PLA film, the water vapor barrier of PBAT/PLA/ hBNNSs films was greatly enhanced by 67%. Meanwhile, the oxygen permeability (OP) and carbon dioxide permeability (CO2P) of CS/hBNNSs films are significantly lowered by 65% and 93%, respectively. In addition, their thermal stabilities and mechanical property are also enhanced.
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页数：3
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