Research on the alkylation modification of cellulose nanofiber separated from moso bamboo

HE Wen, LI Jiping, JIN Hui, Tian Jiaxi

Journal of Nanjing Forestry University (Natural Sciences Edition) ›› 2016, Vol. 40 ›› Issue (02) : 144-148.

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Journal of Nanjing Forestry University (Natural Sciences Edition) ›› 2016, Vol. 40 ›› Issue (02) : 144-148. DOI: 10.3969/j.issn.1000-2006.2016.02.024

Research on the alkylation modification of cellulose nanofiber separated from moso bamboo

  • HE Wen1, LI Jiping2, JIN Hui2, Tian Jiaxi2
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Abstract

In order to improve the dispersity and interfacial bonding in the nonpolar polymers, cellulose nanofiber(CNF)isolated from moso bamboo were modified with(3-Aminopropyl)triethoxysilane(KH-570)dissolved in the ethanol and toluene, respectively. The properties of the modified CNF were measured by FTIR, X-ray diffractometer(XRD), energy dispersive analysis of X-rays(EDAX)and X-ray photoelectron spectrometer(XPS). The results showed that hydroxyl group in cellulose nanofibers reacted with the Si-OH in KH-570, and the cellulose crystal structure remained unchangeable. However, the relative crystallinity of CNF decreased. The amount of C and O atoms on the CNF surface decreased with the alkylation modification. The results also showed that modified CNF performed better when KH-570 were dissolved in ethanol than in toluene.

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HE Wen, LI Jiping, JIN Hui, Tian Jiaxi. Research on the alkylation modification of cellulose nanofiber separated from moso bamboo[J]. Journal of Nanjing Forestry University (Natural Sciences Edition). 2016, 40(02): 144-148 https://doi.org/10.3969/j.issn.1000-2006.2016.02.024

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