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Editor-in-Chief: Agarwal, Seema

IMPACT FACTOR 2018: 1.491

CiteScore 2018: 1.31

SCImago Journal Rank (SJR) 2018: 0.311
Source Normalized Impact per Paper (SNIP) 2018: 0.432

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Volume 1, Issue 1


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Volume 1 (2001)

Liquid crystalline elastomers as artificial muscles

Hendrik Wermter
  • Institut für Makromolekulare Chemie, Albert-Ludwigs-Universität Freiburg, Stefan-Meier-Str. 31, 79104 Freiburg, Germany; Fax +49 761 203 6306
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  • Institut für Makromolekulare Chemie, Albert-Ludwigs-Universität Freiburg, Stefan-Meier-Str. 31, 79104 Freiburg, Germany; Fax +49 761 203 6306
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Published Online: 2013-08-31 | DOI: https://doi.org/10.1515/epoly.2001.1.1.111


New nematic co-elastomers were synthesized which consist of a combination of nematic side- and main-chain polymers and where the liquid crystalline main-chain polymer can be considered as a macromolecular crosslinking component. By applying a mechanical field during the crosslinking process, the director of the nematic phase becomes macroscopically uniformly aligned and liquid-single-crystal elastomers were obtained. Within a narrow temperature regime, these networks can change their shape in one dimension by a factor > 3 and considerably improve the ability of being used as artificial muscles or mechanical actuators compared to the well known nematic side-chain elastomers. Networks having a non-ordered polydomain structure exhibit “soft (or semi-soft) elasticity” which is not only determined by a director reorientation process. Obviously, hairpin conformations within the main-chain segments contribute to this effect.

About the article

Published Online: 2013-08-31

Published in Print: 2001-12-01

Citation Information: e-Polymers, Volume 1, Issue 1, 013, ISSN (Online) 1618-7229, ISSN (Print) 2197-4586, DOI: https://doi.org/10.1515/epoly.2001.1.1.111.

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