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Synthesis and mesomorphic properties of novel tetrafluorinated biphenyl acetylene liquid crystals with a blue phase
Author(s) -
XiMin Chen,
HuiYong Yin,
YueLian Xu,
JianXun Wen
Publication year - 1998
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.19980160313
Subject(s) - chemistry , differential scanning calorimetry , biphenyl , acetylene , liquid crystal , phase (matter) , side chain , optical microscope , liquid crystalline , crystallography , molecule , organic chemistry , stereochemistry , polymer , scanning electron microscope , optics , physics , thermodynamics
Five novel tetrafluorinated biphenyl acetylene molecules containing two chiral centres in the side chain were synthesized. The mesomorphic behaviour of these compounds was characterized by differential scanning calorimetry (DSC) and optical polarizing microscopy. All these compounds exhibit cholesteric and blue phases.