期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 123, 期 -, 页码 379-388出版社
ELSEVIER
DOI: 10.1016/j.ijbiomac.2018.11.124
关键词
Sugar palm nanofibrillated cellulose; Thermal behavior; High pressurize homogenization (HPH)
资金
- Universiti Putra Malaysia [6369107, FRGS/1/2017/TK05/UPM/01/1 (5540048)]
Nanofibrillated cellulose (NFCs) were extracted from sugar palm fibres (SPS) in two separate stages; delignification and mercerization to remove lignin and hemicellulose, respectively. Subsequently, the obtained cellulose fibres were then mechanically extracted into nanofibres using high pressurized homogenization (HPH). The diameter distribution sizes of the isolated nanofibres were dependent on the cycle number of HPH treatment. TEM micro-images displayed the decreasing trend of NFCs diameter, from 21.37 to 5.5 nm when the number of cycle HPH was increased from 5 to 15 cycles, meanwhile TGA and XRD analysis showed that the degradation temperature and crystallinity of the NFCs were slightly increased from 347 to 347.3 degrees C and 75.38 to 81.19% respectively, when the number of cycles increased. Others analysis also were carried on such as Fr-IR, FESEM, AFM, physical properties, zeta potential and yield analysis. The isolated NFCs may be potentially applied in various application, such as tissue engineering scaffolds, bio-nanocomposites, filtration media, bio-packaging and etc. (C) 2018 Elsevier B.V. All rights reserved.
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