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Rheologica Acta

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01-02-2015 | Original Contribution

Fractional modelling of functionalized CNT suspensions

Authors: Jose Vicente Aguado, Emmanuelle Abisset-Chavanne, Elias Cueto, Francisco Chinesta, Roland Keunings

Published in: Rheologica Acta | Issue 2/2015

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Abstract

Experimental findings and rheological modelling of chemically treated single-wall carbon nanotubes suspended in an epoxy resin were addressed in a recent publication (Ma et al., J Rheol 53:547–573, 2009). The shear-thinning behaviour was successfully modelled by a Fokker-Planck-based orientation model. However, the proposed model failed to describe linear viscoelasticity using a single mode as well as the relaxation after applying a finite step strain. Both experiments revealed a power-law behaviour for the storage and relaxation moduli. In this paper, we show that a single-mode fractional diffusion model is able to predict these experimental observations.

previous article A generalized equation for rheology of emulsions and suspensions of deformable particles subjected to simple shear at low Reynolds number

next article Experimental considerations on the step shear strain in polymer melts: sources of error and windows of confidence

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Title: Fractional modelling of functionalized CNT suspensions
Authors: Jose Vicente Aguado
Emmanuelle Abisset-Chavanne
Elias Cueto
Francisco Chinesta
Roland Keunings
Publication date: 01-02-2015
Publisher: Springer Berlin Heidelberg
Published in: Rheologica Acta / Issue 2/2015
Print ISSN: 0035-4511
Electronic ISSN: 1435-1528
DOI: https://doi.org/10.1007/s00397-014-0828-5

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Other articles of this Issue 2/2015

Influence of the initial cooling temperature on the gelation and yield stress of waxy crude oils

Numerical simulation of star polymers under shear flow using a coupling method of multi-particle collision dynamics and molecular dynamics

Experimental considerations on the step shear strain in polymer melts: sources of error and windows of confidence

A generalized equation for rheology of emulsions and suspensions of deformable particles subjected to simple shear at low Reynolds number

The effect of molecular structure on rheological behavior of tubular LDPEs

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