Title

Microscopic origin of the terminal relaxation time in polymer nanocomposites: An experimental precedent

Document Type

Article

Publication Date

9-21-2011

Abstract

By means of rheology and neutron spin echo spectroscopy, both a macroscopic and a microscopic view on the relaxation dynamics of polymers in the presence of non-attractive nanoparticles could be realized. The results enabled us to show a direct correlation between the microscopically observed confinement length and the macroscopically measured dissipation maximum, which corresponds to the terminal relaxation time. Moreover, the impact of nanoparticle presence on the effectiveness of polymer contour length fluctuations and constraint release is discussed. © 2011 The Royal Society of Chemistry.

Publication Source (Journal or Book title)

Soft Matter

First Page

7988

Last Page

7991

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