Journal
CHEMPLUSCHEM
Volume 82, Issue 3, Pages 423-432Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cplu.201600556
Keywords
cyclodextrins; dipole-dipole interactions; liquid crystals; oligoethylene glycol; self-assembly
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Funding
- Alberta Innovates-Technology Futures
- Natural Sciences and Engineering Research Council of Canada
- University of Calgary
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A novel family of amphiphilic cyclodextrin(CD)-based liquid crystals that bear O-acetylated oligoethylene glycol chains at the secondary face is reported. Unlike most of the previously reported liquid crystals (LC) based on chemically modified CDs, which depend on H-bonding as the primary intermolecular forces, the present CD derivatives self-assemble into highly or-dered smectic liquid crystal phases via the weaker dipoledipole intermolecular interactions. The obtained materials are found to display much improved properties such as improved thermostability, reduced clearing temperatures, and better fluidity. The present work opens up new possibilities to design CD-based LC materials.
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