SYNTHESIS AND CHARACTERIZATION OF SOME THERMOTROPIC LIQUID CRYSTALLINE POLYAMIDES*

ZHOU Deliang; ZHANG Dong; Samuel K.L. TAN; ZHOU Qifeng

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SYNTHESIS AND CHARACTERIZATION OF SOME THERMOTROPIC LIQUID CRYSTALLINE POLYAMIDES*

Papers | Updated：2021-06-21

- SYNTHESIS AND CHARACTERIZATION OF SOME THERMOTROPIC LIQUID CRYSTALLINE POLYAMIDES*
- SYNTHESIS AND CHARACTERIZATION OF SOME THERMOTROPIC LIQUID CRYSTALLINE POLYAMIDES*
- 高分子科学（英文版） 1997年15卷第4期页码：353-361
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- 纸质出版：1997-12-20
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ZHOU Deliang, ZHANG Dong, Samuel K.L. TAN, 等. SYNTHESIS AND CHARACTERIZATION OF SOME THERMOTROPIC LIQUID CRYSTALLINE POLYAMIDES*[J]. 高分子科学（英文版）, 1997,15(4):353-361.

ZHOU Deliang, ZHANG Dong, Samuel K.L. TAN, et al. SYNTHESIS AND CHARACTERIZATION OF SOME THERMOTROPIC LIQUID CRYSTALLINE POLYAMIDES*[J]. 1997, 15(4): 353-361.
ZHOU Deliang, ZHANG Dong, Samuel K.L. TAN, 等. SYNTHESIS AND CHARACTERIZATION OF SOME THERMOTROPIC LIQUID CRYSTALLINE POLYAMIDES*[J]. 高分子科学（英文版）, 1997,15(4):353-361. DOI：

ZHOU Deliang, ZHANG Dong, Samuel K.L. TAN, et al. SYNTHESIS AND CHARACTERIZATION OF SOME THERMOTROPIC LIQUID CRYSTALLINE POLYAMIDES*[J]. 1997, 15(4): 353-361. DOI：

摘要

A series of novel mesogenic polyamides containing a flexible pendent side group wassynthesized by solution condensation polymerization. The new monomers

diacids and di-amines containing flexible elements of diferent lengths

were also synthesized and character-ized by ~1HNMR

mass spectroscopy and elemental analysis. The polymers were character-ized by viscosity measurements

differential scanning calorimetry (DSC)

X-ray diffiactionand polarizing optical microscopy. These studies revealed that polyamides containing flexible elements of a sufficient length exhibited thermotropic liquid crystalline (LC) properties.The melting temperatures of this series of polymers were particularly sensitive to the length of the flexible segment on the main chain and that of the flexible pendent ester side chain.Lyotropic LC behaviours were also observed in solution.

Abstract

A series of novel mesogenic polyamides containing a flexible pendent side group wassynthesized by solution condensation polymerization. The new monomers

diacids and di-amines containing flexible elements of diferent lengths

were also synthesized and character-ized by ~1HNMR

mass spectroscopy and elemental analysis. The polymers were character-ized by viscosity measurements

differential scanning calorimetry (DSC)

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