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Colloid and Polymer Science
Published in: Colloid and Polymer Science 6/2015

01-06-2015 | Original Contribution

Deformation and relaxation of grafted polymer layers at elevated temperatures

Authors: Konrad Schneider, David Nitsche, Manfred Stamm

Published in: Colloid and Polymer Science | Issue 6/2015

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Abstract

The mechanical deformation and relaxation behaviour of thin-grafted polymer layers is investigated by a scanning force microscope (SFM) in contact mode. The layers were considerably plastically deformed at different temperatures. By scratching across the surface, a ripple structure is created. The temperature- and time-dependent relaxation of the ripple structure is followed directly by SFM and discussed in comparison to classical viscoelastic relaxation behaviour and time-temperature superposition of bulk material. In contrast to classical viscoelastic behaviour, here, the strong plastic deformation of the grafted layers accelerates the relaxation behaviour.
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Metadata
Title
Deformation and relaxation of grafted polymer layers at elevated temperatures
Authors
Konrad Schneider
David Nitsche
Manfred Stamm
Publication date
01-06-2015
Publisher
Springer Berlin Heidelberg
Published in
Colloid and Polymer Science / Issue 6/2015
Print ISSN: 0303-402X
Electronic ISSN: 1435-1536
DOI
https://doi.org/10.1007/s00396-015-3549-0

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