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Issue 22, 2009
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Neutron flow-mapping: Multiscale modelling opens a new experimental window

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Abstract

Small-angle neutron scattering (SANS) has delivered significant insight into the rich and varied phenomena seen in the non-linear dynamics of entangled polymers. The lengthscales accessible by SANS are ideally matched to the strongly lengthscale-dependent relaxation in entangled polymers. This, in turn, has facilitated a detailed and challenging test for models of molecular rheology. Here, we review experimental techniques, along with the multiscale modelling required to predict these measurements. This approach has enriched our understanding of monodisperse linear polymers, model linear–linear blends and branched polymers. We also indicate potential future directions for this fruitful approach.

Graphical abstract: Neutron flow-mapping: Multiscale modelling opens a new experimental window

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Publication details

The article was received on 06 Aug 2009, accepted on 01 Sep 2009 and first published on 22 Sep 2009


Article type: Review Article
DOI: 10.1039/B916288G
Citation: Soft Matter, 2009,5, 4426-4432
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    Neutron flow-mapping: Multiscale modelling opens a new experimental window

    T. C. B. McLeish, N. Clarke, E. de Luca, L. R. Hutchings, R. S. Graham, T. Gough, I. Grillo, C. M. Fernyhough and P. Chambon, Soft Matter, 2009, 5, 4426
    DOI: 10.1039/B916288G

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