Isolation,preparation, and characterization of nanofibers from oil palm empty-fruit-bunch (OPEFB) |
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| Authors: | Farah Fahma Shinichiro Iwamoto Naruhito Hori Tadahisa Iwata Akio Takemura |
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| Institution: | (1) Department of Biomaterial Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan;(2) Department of Agroindustrial Technology, Bogor Agricultural University, Bogor, Indonesia; |
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| Abstract: | Cellulose nanofibers were produced by hydrolyzing oil palm empty-fruit-bunches with sulfuric acid. The effect of hydrolysis
time on the structure and properties of the nanofibers was investigated. Fourier transform infrared spectroscopy was employed
to evaluate the change of chemical composition. Atomic force microscope images showed that the average thickness of the nanofibers
ranged from 1 to 3.5 nm as the hydrolysis time was varied. Longer hydrolysis time produced a higher yield of dispersed nanofibers;
whereas the degree of crystallinity and the degree of polymerization decreased with increasing hydrolysis time. The degradation
of nanofibers with higher sulfate group content started at a lower temperature. |
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