Reversible Switching of the Shear Modulus of Photoresponsive Liquid??Crystalline Polymers

E Verploegen, J Soulages, M Kozberg…

Index: Kozberg, Mariel; Hammond, Paula; Verploegen, Eric; Soulages, Johannes; McKinley, Gareth; Zhang, Tejia Angewandte Chemie, International Edition, 2009 , vol. 48, # 19 p. 3494 - 3498

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Citation Number: 33

Abstract

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 ...

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