Effect of pre-acid-hydrolysis treatment on morphology and properties of cellulose nanowhiskers from coconut husk |
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| Authors: | Farah Fahma Shinichiro Iwamoto Naruhito Hori Tadahisa Iwata and 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: | Three different pre-acid-hydrolysis treatments were used to treat coconut husk fibers for preparing cellulose nanowhiskers
by sulfuric acid hydrolysis. The effects of those treatments on the morphology and properties of the nanowhiskers were investigated.
FTIR was employed to evaluate the change of chemical composition due to different pre-acid-hydrolysis treatments. AFM images
showed that there was no significant difference of size of nanowhiskers obtained by different pre-acid-hydrolysis treatment,
2–3 nm of average thickness. The thermal decomposition of nanowhiskers shifted to higher temperatures with removal of hemicellulose
and lignin. |
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