STUDIES ON THERMOTROPIC LIQUID CRYSTALLINE COPOLYESTERS-POLY (ARYLENE TEREPHTHALATE-CO-BUTYLENE TEREPHTHALATE)*

ZHANG Hongzhi; NING Xin

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STUDIES ON THERMOTROPIC LIQUID CRYSTALLINE COPOLYESTERS-POLY (ARYLENE TEREPHTHALATE-CO-BUTYLENE TEREPHTHALATE)*

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- STUDIES ON THERMOTROPIC LIQUID CRYSTALLINE COPOLYESTERS-POLY (ARYLENE TEREPHTHALATE-CO-BUTYLENE TEREPHTHALATE)*
- STUDIES ON THERMOTROPIC LIQUID CRYSTALLINE COPOLYESTERS-POLY (ARYLENE TEREPHTHALATE-CO-BUTYLENE TEREPHTHALATE)*
- 高分子科学（英文版） 1986年4卷第3期页码：248-255
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- 纸质出版：1986-09-20
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ZHANG Hongzhi, NING Xin. STUDIES ON THERMOTROPIC LIQUID CRYSTALLINE COPOLYESTERS-POLY (ARYLENE TEREPHTHALATE-CO-BUTYLENE TEREPHTHALATE)*[J]. 高分子科学（英文版）, 1986,4(3):248-255.

ZHANG Hongzhi, NING Xin. STUDIES ON THERMOTROPIC LIQUID CRYSTALLINE COPOLYESTERS-POLY (ARYLENE TEREPHTHALATE-CO-BUTYLENE TEREPHTHALATE)*[J]. 1986, 4(3): 248-255.
ZHANG Hongzhi, NING Xin. STUDIES ON THERMOTROPIC LIQUID CRYSTALLINE COPOLYESTERS-POLY (ARYLENE TEREPHTHALATE-CO-BUTYLENE TEREPHTHALATE)*[J]. 高分子科学（英文版）, 1986,4(3):248-255. DOI：

ZHANG Hongzhi, NING Xin. STUDIES ON THERMOTROPIC LIQUID CRYSTALLINE COPOLYESTERS-POLY (ARYLENE TEREPHTHALATE-CO-BUTYLENE TEREPHTHALATE)*[J]. 1986, 4(3): 248-255. DOI：

摘要

A series of copolyesters based on bis(4-hydroxybutyl) terephthalate

terephthaloyl chloride andvarious aromatic diols (i.e. hydroquinone

chlorohydroquinone

bromohydroquinone or dihydroxybi-phenyl) was prepared. 1H-NMR studies revealed that the monomer units had microstructures closeto random distribution in the chains. The copolymers showed composition-dependent liquid crystal-line properties as verified by visual observation of stir opalescence

polarizing microscope

DSC andX-ray diffration. The copolyesters with aromatic diol contents over a certain extent(for chloro-hydroquinone m≥0.33) were thermotropic with wide liquid crystalline temperature ranges.The introduction of chlorohydroquinone into the copolyesters could gradually destroy the crystallinity of the polymers but retain the liquid crystalline characteristics.

Abstract

A series of copolyesters based on bis(4-hydroxybutyl) terephthalate

terephthaloyl chloride andvarious aromatic diols (i.e. hydroquinone

chlorohydroquinone

polarizing microscope

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