SYNTHESIS AND CHARACTERIZATION OF LIQUID CRYSTAL POLYMERS WITH T-SHAPED TWO-DIMENSIONAL MESOGENIC UNITS (Ⅱ)*
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SYNTHESIS AND CHARACTERIZATION OF LIQUID CRYSTAL POLYMERS WITH T-SHAPED TWO-DIMENSIONAL MESOGENIC UNITS (Ⅱ)*
Vol. 15, Issue 1, Pages: 65-73(1997)
Affiliations:
1. Mater. Eng. Dept.
2. Zhengzhou Univ.
3. Zhengzhou 450052
4. Chem. Dept.
5. Peking Univ.
6. Beijing 100871
Author bio:
Funds:
DOI:
CLC:O631
Published:20 March 1997
Accepted:
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[1]李自法,郑世军,张淑媛,曹少魁,李磊,刘广胜,周其凤.SYNTHESIS AND CHARACTERIZATION OF LIQUID CRYSTAL POLYMERS WITH T-SHAPED TWO-DIMENSIONAL MESOGENIC UNITS (Ⅱ)[J].Chinese Journal of Polymer Science,1997,{4}(01):65-73.
LI Zifa, ZHENG Shijun, ZHANG Shuyuan, et al. SYNTHESIS AND CHARACTERIZATION OF LIQUID CRYSTAL POLYMERS WITH T-SHAPED TWO-DIMENSIONAL MESOGENIC UNITS (Ⅱ)*[J]. 1997, 15(1): 65-73.
[1]李自法,郑世军,张淑媛,曹少魁,李磊,刘广胜,周其凤.SYNTHESIS AND CHARACTERIZATION OF LIQUID CRYSTAL POLYMERS WITH T-SHAPED TWO-DIMENSIONAL MESOGENIC UNITS (Ⅱ)[J].Chinese Journal of Polymer Science,1997,{4}(01):65-73.DOI:
LI Zifa, ZHENG Shijun, ZHANG Shuyuan, et al. SYNTHESIS AND CHARACTERIZATION OF LIQUID CRYSTAL POLYMERS WITH T-SHAPED TWO-DIMENSIONAL MESOGENIC UNITS (Ⅱ)*[J]. 1997, 15(1): 65-73.DOI:
SYNTHESIS AND CHARACTERIZATION OF LIQUID CRYSTAL POLYMERS WITH T-SHAPED TWO-DIMENSIONAL MESOGENIC UNITS (Ⅱ)*
A series of liquid crystalline polymers with T-shaped two-dimensional mesogenic unitswere synthesized via low temperature solution polycondensation of 2-(4’-alkoxy-phenyl)hydroquinone with various diacyl dichlorides. The polymers were found to be nematic andshown thermotropic liquid crystalline behaviors through observations using DSC
polarizedmicroscopy and X-ray diffraction. The melting temperature T
m
and the isotropizationtemperature T
i
of the polymers change regularly with varying of the monomer structures.
Abstract
A series of liquid crystalline polymers with T-shaped two-dimensional mesogenic unitswere synthesized via low temperature solution polycondensation of 2-(4’-alkoxy-phenyl)hydroquinone with various diacyl dichlorides. The polymers were found to be nematic andshown thermotropic liquid crystalline behaviors through observations using DSC
polarizedmicroscopy and X-ray diffraction. The melting temperature T
m
and the isotropizationtemperature T
i
of the polymers change regularly with varying of the monomer structures.
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