Molecular Crystals and Liquid Crystals p. 138 - 146 (2010)
Update date:2022-08-04
Topics:
Chen, Ximin
Shen, Yuehai
Wen, Jianxun
Six series of tolane-based fluorinated liquid crystals containing an acrylate linker were synthesized and their mesomorphic properties were characterized. The compounds generally exhibit SmA and N phases in wide temperature ranges. The introduction of acrylate linkers increases the clearing points by 20°C-30°C and suppresses the formation of higher ordered monotropic SmB phases. para-Fluorination is favorable for the mesophase stability, whereas meta-fluorination is not. The introduction of a 2,3,5,6-tetrafluorophenylene group decreases the clearing points and also suppresses the formation of the monotropic SmB phase. Copyright Taylor & Francis Group, LLC.
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