The film-forming properties of chitosan with tannic acid addition

被引：44

作者：

Kaczmarek, B. ^{[1
]}

Owczarek, A. ^{[1
]}

Nadolna, K. ^{[1
]}

Sionkowska, A. ^{[1
]}

机构：

[1] Nicolaus Copernicus Univ Torun, Fac Chem, Dept Chem Biomat & Cosmet, Gagarin 7, PL-87100 Torun, Poland

来源：

MATERIALS LETTERS | 2019年 / 245卷 / 22-24期

关键词：

Chitosan; Tannic acid; Thin films; Packaging; WETTING PROPERTIES;

D O I：

10.1016/j.matlet.2019.02.090

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The design and obtainment of bio-based materials is in the interest of many research groups. Chitosan and tannic acid are natural and biodegradable polymers. In the present study, they are proposed as raw materials for production of packaging materials. The present study involves the surface free energy and maximum tensile strength measurement. The results showed the improvement of mechanical parameters after the addition of tannic acid to the chitosan. Also, the surface free energy increases with the increasing amount of tannic acid. The proposed films have the appropriate parameters for the potential application as bio-based food packaging materials. The surface free energy for LLDPE and PET was measured by Meiron [1] are similar to the chitosan/tannic acid films however, proposed materials are safe for the environment. (C) 2019 Elsevier B.V. All rights reserved.

引用

页码：22 / 24

页数：3

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