Effect of graphene oxide content on the tensile properties and swelling ratio of chitosan/xanthan gum/graphene oxide hydrogel films

被引：4

作者：

Kim, Dong-Won ^{[1
]}

Shchipunov, Yury ^{[2
]}

Kim, Gue-Hyun ^{[3
]}

Shin, Inho ^{[1
]}

Ha, Chang-Sik ^{[1
]}

机构：

[1] Pusan Natl Univ, Dept Polymer Sci & Engn, Busan 46241, South Korea

[2] Russian Acad Sci, Inst Chem, Far East Dept, Vladivostok, Russia

[3] Dongseo Univ, Div Chem Engn, Busan 47011, South Korea

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2020年 / 706卷 / 01期

基金：

新加坡国家研究基金会;

关键词：

Chitosan; graphene oxide; hydrogel; nanocomposites; xanthan gum; NANOCOMPOSITE HYDROGELS; XANTHAN; POLYSACCHARIDE; GLYCOL); CLAY;

D O I：

10.1080/15421406.2020.1743440

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this study, chitosan (CS)/xanthan gum (XA)/graphene oxide (GO) nanocomposite hydrogels were prepared to enhance mechanical properties of CS/XA hydrogels. The hydrogels were characterized by Fourier-transform infrared spectroscopy (FT-IR) spectra, wide-angle X-ray diffraction (WXAD) patterns, thermogravimetric analysis, and universal testing machine. The swelling ratio of dried CS/XA and CS/XA/GO films were also measured in deionized water at 37 degrees C. The effect of GO content on the tensile properties and swelling ratio of CS/XA/GO hydrogel films were investigated. With addition of GO, tensile strength and modulus of CS/XA hydrogel films were improved without significant decrease of elongation at break, while the swelling ratio of CS/XA/GO films decreased with increasing GO contents.

引用

页码：72 / 78

页数：7

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