期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 58, 期 -, 页码 133-139出版社
ELSEVIER
DOI: 10.1016/j.ijbiomac.2013.03.066
关键词
Regenerated cellulose; Halloysite nanotubes; Ionic liquids; Bio-nanocomposite films
资金
- Universiti Teknologi Malaysia from the Ministry of Science, Technology and Innovation (MOSTI) [GUP00H27]
In this study, novel nanocomposite films based on regenerated cellulose/halloysite nanotube (RC/HNT) have been prepared using an environmentally friendly ionic liquid 1-butyl-3-methylimidazolium chloride (BMIMCl) through a simple green method. The structural, morphological, thermal and mechanical properties of the RC/HNT nanocomposites were investigated using X-ray diffraction (XRD), Fourier transform infrared (FTIR), field emission scanning electron microscopy (FESEM), thermal analysis and tensile strength measurements. The results obtained revealed interactions between the halloysite nanotubes and regenerated cellulose matrix. The thermal stability and mechanical properties of the nanocomposite films, compared with pure regenerated cellulose film, were significantly improved When the halloysite nanotube (HNT) loading was only 2 wt.%, the 20% weight loss temperature (T-20) increased 20 degrees C. The Young's modulus increased from 1.8 to 4.1 GPa, while tensile strength increased from 35.30 to 60.50 MPa when 8 wt.% halloysite nanotube (HNT) was incorporated, interestingly without loss of ductility. The nanocomposite films exhibited improved oxygen barrier properties and water absorption resistance compared to regenerated cellulose. (C) 2013 Elsevier B.V. All rights reserved.
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