Poly(vinyl alcohol)/Chitosan composites: Physically transient materials for sustainable and transient bioelectronics

被引：47

作者：

Liu, Lingxiao ^{[1
]}

Liang, Haiyan ^{[1
]}

Zhang, Jing ^{[2
]}

Zhang, Pengfei ^{[3
]}

Xu, Quan ^{[4
]}

Lu, Qiming ^{[1
]}

Zhang, Chaoqun ^{[1
]}

机构：

[1] South China Agr Univ, Coll Mat & Energy, Guangzhou 510642, Guangdong, Peoples R China

[2] Jiangsu Univ Sci & Technol, Dept Corros Prevent & Polymer Mat, Coll Mat Sci & Engn, Zhenjiang, Peoples R China

[3] Univ Louisiana Lafayette, Coll Engn, Lab Composite Mat, Lafayette, LA 70503 USA

[4] China Univ Petr, State Key Lab Heavy Oil Proc, Beijing, Peoples R China

来源：

JOURNAL OF CLEANER PRODUCTION | 2018年 / 195卷

关键词：

Sustainable chemistry; Chitosan; Transient bioelectronics; Programmable biodegradation; Polymer composites; ELECTRONICS; CHITOSAN; FILMS; BLENDS; WATER; BIOCOMPATIBILITY; NANOPARTICLES; BIOMATERIAL; TRANSISTORS; BEHAVIOR;

D O I：

10.1016/j.jclepro.2018.05.216

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The development of sustainable and transient materials is not only significant importance for environmental concern and human health, but also meets the highly demand for specific application in biomedical, military and intelligence fields. In this study, polymer blends of poly(vinyl alcohol) and chitosan were used to prepare sustainable and degradable polymer films which are promising to be applied as substrates for transient bioelectronics. The effect of the material composition and chemical structures on the mechanical, thermo-physical and thermal stability was studied and characterized by tensile testing, dynamic mechanical analysis, thermogravimetric analysis, and Fourier-transform infrared spectroscopy, respectively. In addition, the transiency rate of the composites as a function of temperature and composition was investigated and discussed. It is found that the transience rate of the composites can be tailored by controlling the composition and chemical structures. Addition of chitosan tends to decrease the time constant. In addition, the temperature also strongly affects the transience behavior of the polymer blends. The tailored performance and programmable degradation of these novel polymer composites provide a sustainable platform for widely application in transient biomedical and electronic devices. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：786 / 795

页数：10

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