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Rheological Behavior of Polyacrylonitrile Solution

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Abstract:

The rheological properties and viscoelasticity of PAN/DMSO solutions were studied by means of revolving rheometer under the scan modes of steady shear rate and dynamic frequency. The effects of shear rate and temperature of PAN/DMSO solution on its Non-Newtonian viscous index, zero shear viscosity, activation energy of viscous flow and modulus of the solutions were studied. It was found that PAN/DMSO solution is a kind of pseudoplastic fluid. And the more temperature of solution, the less Non-Newtonian viscous index at steady experiment curve, the less the loss modulus and storage modulus of solution at dynamics experiment curve. In addition, the liquidity and spinnability of the solution also increased when the temperature went up.

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AICAM 2005 View Preview

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Periodical:

Advanced Materials Research (Volumes 11-12)

Pages:

403-406

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.11-12.403

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Online since:

February 2006

Authors:

Jie Yang, Li Xin Mao, Liang Hua Xu

Keywords:

Polyacrylonitrile, Rheological Behavior, Viscoelasticity

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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References

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