Reversible Switching of the Shear Modulus of Photoresponsive Liquid-Crystalline Polymers
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Author(s)
Verploegen, Eric
Soulages, Johannes
Kozberg, Mariel
Zhang, Tejia
McKinley, Gareth H
Hammond, Paula T
Date Issued
April 2009
Journal
Angewandte Chemie International Edition
Publisher
John Wiley & Sons, Inc.
Citation
Verploegen, Eric, Johannes Soulages, Mariel Kozberg, Tejia Zhang, Gareth McKinley, and Paula Hammond. Reversible Switching of the Shear Modulus of Photoresponsive Liquid-Crystalline Polymers. Angewandte Chemie International Edition 48, no. 19 (April 27, 2009): 3494-3498.
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Author's final manuscript
Abstract
Manipulation makes light work: The morphology and rheological properties of a liquid-crystalline system can be dynamically manipulated with UV light by attaching photoresponsive liquid-crystalline moieties to a siloxane-based polymer. Stimulation with UV light induces a conformational change in the molecule, which disrupts the liquid-crystalline mesophase (see picture), and results in a dramatic change in its rheological properties.
MIT Department
Massachusetts Institute of Technology. Department of Chemical Engineering
Massachusetts Institute of Technology. Department of Chemistry
Massachusetts Institute of Technology. Department of Materials Science and Engineering
Massachusetts Institute of Technology. Department of Mechanical Engineering
Massachusetts Institute of Technology. Hatsopoulos Microfluids Laboratory
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DOI of Published Version
https://doi.org/10.1002/anie.200900583
