Environmental Memory of Polymer Networks under Stress

Generally reversible stimuli‐responsive materials do not memorize the stimulus. In this study we describe an example in which stretched and constrained semi‐crystalline polymer networks respond to solvent gases with stress and simultaneously memorize the concentration and the chemical nature of the...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2014-06, Vol.26 (21), p.3441-3444
Main Authors: Quitmann, Dominik, Gushterov, Nikola, Sadowski, Gabriele, Katzenberg, Frank, Tiller, Joerg C.
Format: Article
Language:English
Subjects:
Constraints
Microstructure
natural rubber
Networks
polymer networks
Signatures
smart materials
solvent memory
Solvents
stimuli-responsive materials
Stress concentration
Stresses
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Description
Summary:Generally reversible stimuli‐responsive materials do not memorize the stimulus. In this study we describe an example in which stretched and constrained semi‐crystalline polymer networks respond to solvent gases with stress and simultaneously memorize the concentration and the chemical nature of the solvent itself in their microstructure (see figure). This written solvent signature can even be deleted by temperature.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201305698