Reversible Switching of the Shear Modulus of Photoresponsive Liquid-Crystalline Polymers
Author(s)
Verploegen, Eric; Soulages, Johannes; Kozberg, Mariel; Zhang, Tejia; McKinley, Gareth H; Hammond, Paula T; ... Show more Show less
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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.
Date issued
2009-04Department
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 LaboratoryJournal
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.
Version: Author's final manuscript
ISSN
14337851
15213773