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Rheological Properties of Jute-Based Cellulose Nanofibers under Different Ionic Conditions



Lihong Geng, Ali Naderi, Yimin NMN Mao, Chengbo Zhan, Priyanka Sharma, Xiangfang Peng, Benjamin S. Hsiao


Cellulose nanofibers (CNF) were produced by 2,2,6,6-tetramethylpiperidinyl-1-oxyl (TEMPO) -oxidation and mechanical shearing of jute pulp. The cross section dimension of CNFs was determined by small-angle neuron scattering (SANS), yielding a width of about 5 nm and thickness of about 1.5 nm, which were further confirmed by transmission electron microscopy (TEM). The effect of NaCl concentration was investigated. The viscosity of CNF suspensions was found to increase by addition of the monovalent NaCl at a critical salt concentration. However, the magnitude of the critical concentration was found to be highly dependent on the CNF concentration. The studies then focused on the impact of the valency of the cation on the rheological properties. It was found that both the viscosity and stiffness of CNF gels increased with increasing the valency of the cation.
Nano-celluloses, their Preparation, Properties, and Applications
Publisher Info
ACS, Washington , DC


Cellulose nanofibers, TEMPO oxidation, viscosity, ionic strength, SANS


Geng, L. , Naderi, A. , Mao, Y. , Zhan, C. , Sharma, P. , Peng, X. and Hsiao, B. (2018), Rheological Properties of Jute-Based Cellulose Nanofibers under Different Ionic Conditions, ACS, Washington , DC, [online], (Accessed April 23, 2024)
Created December 31, 2017, Updated October 12, 2021