期刊
POLYMER
卷 52, 期 20, 页码 4490-4497出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2011.07.046
关键词
Liquid Crystal Elastomer; Smectic A; Ferroelectric
资金
- European Commission [039643]
- ESF COST Action [D35 WG0013-05]
- [GA ASCR IAA100100911]
- [CSF P204/11/0723]
- [RFASI 02.740.11.5166]
- [CSF 202/09/0047]
For the first time new type of liquid single crystal elastomers forming the chiral smectic A* (SmA*) phase has been prepared using chiral lactic acid derivative as a co-monomer. The synthesis and the basic characterization of the ferroelectric liquid crystalline co-monomer based on differential scanning calorimetry and small/wide-angle X-ray scattering are reported and discussed. The monomer possesses the paraelectric SmA* and the ferroelectric SmC* phases over a broad temperature range. The preparation of new smectic liquid crystalline elastomers together with characterization of their mesomorphic and structural properties is also reported. New elastomers possess the orthogonal paraelectric SmA* phase over 50 K broad temperature range. (C) 2011 Elsevier Ltd. All rights reserved.
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