ZHENG Shijun, LI Zifa, LI Lei, ZHANG Shuyuan, HAN Zhaohui, ZHOU Qifeng. SYNTHESIS AND CHARACTERIZATION OF MAIN CHAIN LIQUID CRYSTAL AROMATIC COPOLYESTERS WITH T SHAPED AND ROD SHAPED MESOGENIC UNITS[J]. Acta Polymerica Sinica, 1997,(3):289-294.
ZHENG Shijun, LI Zifa, LI Lei, ZHANG Shuyuan, HAN Zhaohui, ZHOU Qifeng. SYNTHESIS AND CHARACTERIZATION OF MAIN CHAIN LIQUID CRYSTAL AROMATIC COPOLYESTERS WITH T SHAPED AND ROD SHAPED MESOGENIC UNITS[J]. Acta Polymerica Sinica, 1997,(3):289-294.DOI:
A series of main chain liquid crystal line aromatic copolyesters with T shaped and rod shaped mesogenic units were synthesized via solution condensation polymerizations from 4
4′ ( α
ω decanedioyloxy) dibenzoyl dichlorides with 2 (4′ ethoxy phenyl) hydroquinone and diphenol.All of the copolyesters showed thermotropic liquid crystalline behaviors as detected by using DSC
polarized microscopy and X ray diffraction.Their melting points (T m ) and isotropization temperatures ( T i ) change regularly with varying the diphenol unit content in the copolymer.