Journal Article

PreJuSER-19072

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Microscopic Origin of the Terminal Relaxation Time in Polymer Nanocomposites: An Experimental Precedent

Nusser, K.FZJ* ; Schneider, G. J.FZJ* ; Richter, D.FZJ*

2011
Royal Society of Chemistry (RSC) Cambridge

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Please use a persistent id in citations: http://hdl.handle.net/2128/7381  doi:10.1039/c1sm05555k

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.

Keyword(s): Basic research (1st) ; Others (1st) ; Soft Condensed Matter (2nd) ; J

Note: The authors thank L. Willner for the synthesis of the used polymers. K. Nusser gratefully acknowledges the financial support of the Evonik Foundation.

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Contributing Institute(s):

1. Neutronenstreuung (ICS-1)
2. JCNS-FRM-II (JCNS (München) ; Jülich Centre for Neutron Science JCNS (München) ; JCNS-FRM-II)
3. Neutronenstreuung (JCNS-1)

Research Program(s):

1. BioSoft: Makromolekulare Systeme und biologische Informationsverarbeitung (P45)
2. Großgeräte für die Forschung mit Photonen, Neutronen und Ionen (PNI) (P55)

Experiment(s):

1. Measurement at external facility

Appears in the scientific report 2011

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Database coverage:

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