Paper Title:
Rheological Characteristic of Concentrated Cellulose Diacetate Solutions with 1-Butyl-3-Methylimidazolium Chloride as Solvent
  Abstract

1-Butyl-3-methylimidazolium chloride ([BMIM]Cl) was applied as solvent to dissolve the cellulose diacetate (CDA) directly. The solution rheology of CDA in [BMIM]Cl was investigated by steady shear and oscillatory shear measurements. In the range of the concentration and temperature studied, CDA/[BMIM]Cl solutions showed the typical shear-shinning behavior and the viscosity decreases with increasing temperature. Compared with the cellulose solutions in [BMIM]Cl, the smaller apparent viscosity of CDA/[BMIM]Cl was shown, which mainly resulted from the weakened interaction between substituted cellulose chains and ionic liquid. The deviation of Cox–Merz rule with steady shear viscosity smaller than complex viscosity in the whole deformation rate range we studied indicates that entangled CDA/[BMIM]Cl solutions are not homogeneous solution systems.

  Info
Periodical
Advanced Materials Research (Volumes 332-334)
Chapter
Chapter 2: Chemical Fiber
Edited by
Xiaoming Qian and Huawu Liu
Pages
309-312
DOI
10.4028/www.scientific.net/AMR.332-334.309
Citation
B. C. Wang, G. S. Jiang, X. Chen, D. Wu, Y. M. Zhang, H. P. Wang, "Rheological Characteristic of Concentrated Cellulose Diacetate Solutions with 1-Butyl-3-Methylimidazolium Chloride as Solvent", Advanced Materials Research, Vols. 332-334, pp. 309-312, 2011
Online since
September 2011
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Price
$32.00
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