Issue 11, 2015
From the journal:

RSC Advances

Effect of dimethylsulfoxide on the viscoelastic properties and sol–gel transition of cellulose/ionic liquid solutions†

H. Saba,ab   Y. Yongbo,ab   W. Jianning,ab   X. Xiaolin,ab   W. Kaijian,ab   Z. Yumei*ab  and  W. Huapingab  

* Corresponding authors

a State Key Laboratory of Modification for Fiber and Polymer Materials, Shanghai 201620, China
E-mail: hinasaba15@gmail.com, yaoyongbo@foxmail.com, xiaxl0921@163.com, wkj19900522@163.com, wanghp@dhu.edu.cn

b College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
E-mail: zhangym@dhu.edu.cn
Fax: +86-21-67792855
Tel: +86-21-67792957

Abstract

Viscoelastic properties of cellulose solutions with 1-butyl-3-methylimidazolium chloride ([BMIM]Cl) and dimethylsulfoxide (DMSO) as solvents were studied by rheological experiments. From the results of rheological behaviors, the non-monotonous decrease of viscosity with DMSO content was observed. When the content of DMSO in [BMIM]Cl/DMSO is lower than 5 wt% in [BMIM]Cl/DMSO, the viscosity and gelation temperature (Tgel) decreased with the increase of DMSO. However, the values of viscosity and Tgel showed a nonlinear change with the further increase of DMSO. It could be understood that DMSO acted as the diluent when the content of DMSO is below 5 wt%. The local micro-aggregation or micro-phase separation of cellulose could happen when the content of DMSO further increased due to the weak action between cellulose and DMSO.

Graphical abstract: Effect of dimethylsulfoxide on the viscoelastic properties and sol–gel transition of cellulose/ionic liquid solutions

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Article information

DOI
https://doi.org/10.1039/C4RA14911D
Article type
Paper
Submitted
20 Nov 2014
Accepted
23 Dec 2014
First published
23 Dec 2014

RSC Adv., 2015,5, 8318-8322

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Effect of dimethylsulfoxide on the viscoelastic properties and sol–gel transition of cellulose/ionic liquid solutions

H. Saba, Y. Yongbo, W. Jianning, X. Xiaolin, W. Kaijian, Z. Yumei and W. Huaping, RSC Adv., 2015, 5, 8318 DOI: 10.1039/C4RA14911D

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