SYNTHESIS AND CHARACTERIZATION OF THERMOTROPIC COPOLYESTERS AND COPOLY (ESTER-AMIDE)S CONTAINING OXYETHYLENE-ETHER AS THE SPACER*

WANG Shanger; MO Zhishen; ZHANG Hongfang; FENG Zhiliu

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SYNTHESIS AND CHARACTERIZATION OF THERMOTROPIC COPOLYESTERS AND COPOLY (ESTER-AMIDE)S CONTAINING OXYETHYLENE-ETHER AS THE SPACER*

Papers | Updated：2021-06-21

- SYNTHESIS AND CHARACTERIZATION OF THERMOTROPIC COPOLYESTERS AND COPOLY (ESTER-AMIDE)S CONTAINING OXYETHYLENE-ETHER AS THE SPACER*
- Vol. 13, Issue 4, Pages: 353-360(1995)
- Affiliations：
  
  1.   Polymer Physics Laboratory
  2.   Changchun Institute of Applied Chemistry
  3.   Academia Sinica
  4.   Changchun 130022
- Author bio：
- Funds：
- DOI：
  CLC： O631
- Published：20 December 1995
- Accepted：
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[1]王尚尔,莫志深,张宏放,冯之榴.SYNTHESIS AND CHARACTERIZATION OF THERMOTROPIC COPOLYESTERS AND COPOLY (ESTER-AMIDE)S CONTAINING OXYETHYLENE-ETHER AS THE SPACER[J].Chinese Journal of Polymer Science,1995,{4}(04):353-360.

WANG Shanger, MO Zhishen, ZHANG Hongfang, et al. SYNTHESIS AND CHARACTERIZATION OF THERMOTROPIC COPOLYESTERS AND COPOLY (ESTER-AMIDE)S CONTAINING OXYETHYLENE-ETHER AS THE SPACER*[J]. 1995, 13(4): 353-360.
[1]王尚尔,莫志深,张宏放,冯之榴.SYNTHESIS AND CHARACTERIZATION OF THERMOTROPIC COPOLYESTERS AND COPOLY (ESTER-AMIDE)S CONTAINING OXYETHYLENE-ETHER AS THE SPACER[J].Chinese Journal of Polymer Science,1995,{4}(04):353-360. DOI：

WANG Shanger, MO Zhishen, ZHANG Hongfang, et al. SYNTHESIS AND CHARACTERIZATION OF THERMOTROPIC COPOLYESTERS AND COPOLY (ESTER-AMIDE)S CONTAINING OXYETHYLENE-ETHER AS THE SPACER*[J]. 1995, 13(4): 353-360. DOI：

摘要

<正> Flexible oxyethylene-ether was introduced into the aromatic copolyesters and copoly（es-ter-amide）s to reduce the melting point of resulting polymers. The melting point was greatlyreduced to 200℃ or even lower in some cases

and the molecular weight was satisfactorilyhigh as reflected by inherent viscosity. The polymers exhibited high thermal stability and goodmechanical properties as determined by TGA and mechanical tests. The copolyester showedbetter crystallinity and liquid crystallinity than corresponding copoly（ester-amide）s with simi-lar monomer composition as reflected by POM observation and WAXD study. The meltingpoints for both copolyesters and copoly （ester-amide）s showed great dependence on the p-acetoxybenzoic acid （PAB） content in monomer composition and reached the lowest valuewhen PAB was 29 mol%.

Abstract

Flexible oxyethylene-ether was introduced into the aromatic copolyesters and copoly（es-ter-amide）s to reduce the melting point of resulting polymers. The melting point was greatlyreduced to 200℃ or even lower in some cases

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