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

  • Lihong Geng
  • , Ali Naderi
  • , Yimin Mao
  • , Chengbo Zhan
  • , Priyanka Sharma
  • , Xiangfang Peng
  • , Benjamin S. Hsiao
  • South China University of Technology
  • Stony Brook University
  • BillerudKorsnäs AB
  • University of Maryland, College Park
  • National Institute of Standards and Technology

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

19 Scopus citations

Abstract

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 on the rheological properties of the jute-based CNF as a function of concentration was investigated. The viscosity of CNF suspensions was found to increase by addition of the monovalent NaCl, which exhibited a critical concentration behavior. However, the critical concentration value was highly dependent on the CNF concentration. The effect of the cation valency on the rheological properties was also investigated. It was found that both viscosity and stiffness of the CNF gel increased with increasing the valency of the cation.

Original languageEnglish
Title of host publicationACS Symposium Series
EditorsUmesh P. Agarwal, Rajai H. Atalla, Akira Isogai
PublisherAmerican Chemical Society
Pages113-132
Number of pages20
DOIs
StatePublished - 2017

Publication series

NameACS Symposium Series
Volume1251
ISSN (Print)0097-6156
ISSN (Electronic)1947-5918

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