Comparison of chitosan/starch composite film properties before and after cross-linking

被引：72

作者：

Li, Haihong ^{[1
]}

Gao, Xiaochen ^{[1
]}

Wang, Yan ^{[1
]}

Zhang, Xiaobo ^{[1
]}

Tong, Zhiwei ^{[1
]}

机构：

[1] Huaihai Inst Technol, Sch Chem Engn, Lianyungang 222005, Jiangsu, Peoples R China

来源：

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES | 2013年 / 52卷

关键词：

Chitosan; Starch; Film; Cross-linking; Glutaraldehyde; BLEND FILMS; MECHANICAL-PROPERTIES; BIODEGRADABLE FILM; GLUTARALDEHYDE; COMPATIBILITY;

D O I：

10.1016/j.ijbiomac.2012.10.016

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Unmodified and cross-linked chitosan/starch composite films were prepared using the solvent evaporation method. The properties of the films were studied to obtain useful information about the possible applications of composite films. FT-IR, SEM, and swelling property investigations show that the cross-linking agent glutaraldehyde reacts in the chitosan and starch blend. The compatibility of chitosan and starch blends before and after cross-linking was studied by UV-vis spectroscopy. The compatibility of the blends deteriorated after cross-linking. This finding was confirmed by the results of mechanical properties. The films show improved water barrier performance after cross-linking. The use of trace concentrations of glutaraldehyde in chitosan/starch films allows for possible application in the biomedical field. (c) 2012 Elsevier B.V. All rights reserved.

引用

页码：275 / 279

页数：5

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