首页|Synthesis and characterization of hyperbranched liquid crystalline polymer
Synthesis and characterization of hyperbranched liquid crystalline polymer
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NETL
NSTL
Trans Tech Publications Ltd
Hyperbranched liquid crystalline polymer (HLCP) were prepared by pentaerythritol with 1,2,4-benzenetricarboxylic anhydride(BTCA) and p-hydroxy benzoic acid. The thermotropic properties, the melting point (T_m) and the isotropization temperature (T_i) of the synthesized HLCP were characterized by differential scanning calorimetry (DSC), fourier transform infrared spectroscopy (FTIR) and polarizing optical microscopy (POM). It showed that the new reactive thermotropic liquid polymer containing polyester mesogenic units exhibited thermotropic liquid crystalline properties between 140℃ and 230℃.
hyperbranchliquid crystallinephase transition temperature
Chen-xi Zhang、Shao-rong Lu、Jian-feng Ban
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Institute of Material Science and Engineering, Guilin University of Technology, Guilin, 541004, China
NETL
NSTL
Trans Tech Publications Ltd
