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Thermo-reversible gelation of liquid crystals using di-benzylidene-D-sorbitol

Mechanically stable thermo‐reversible gels of the liquid‐crystal LC‐E7 with 1,3:2,4‐Di‐O‐benzylidene‐D‐sorbitol (DBS) form white light‐scattering films that are reversibly switchable to a clear state by AC electric fields. It is established that the light‐scattering nature of DBS/LC‐E7 gels is an in...

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Bibliographic Details
Published in:Macromolecular symposia. 2000-04, Vol.154 (1), p.117-126
Main Authors: Janssen, Rob H.C., Stümpflen, Volker, van Boxtel, Marysia C.W., Bastiaansen, Cees W.M., Broer, Dirk J., Tervoort, Theo A., Smith, Paul
Format: Article
Language:English
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Summary:Mechanically stable thermo‐reversible gels of the liquid‐crystal LC‐E7 with 1,3:2,4‐Di‐O‐benzylidene‐D‐sorbitol (DBS) form white light‐scattering films that are reversibly switchable to a clear state by AC electric fields. It is established that the light‐scattering nature of DBS/LC‐E7 gels is an intrinsic material property that originates from the occurence of a monotectic‐type point (“mesotectic”) at very low DBS‐concentration in the phase diagram of the DBS/LC‐E7 system.
ISSN:1022-1360
1521-3900
DOI:10.1002/1521-3900(200004)154:1<117::AID-MASY117>3.0.CO;2-7