STUDIES ON THE REGULAR COPOLYMERS OF POLY (1, 4-PHENYLENETEREPHTHALAMIDE)

BAO Jingsheng; WANG Bing; XU Chaochou

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STUDIES ON THE REGULAR COPOLYMERS OF POLY (1, 4-PHENYLENETEREPHTHALAMIDE)

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- STUDIES ON THE REGULAR COPOLYMERS OF POLY (1, 4-PHENYLENETEREPHTHALAMIDE)
- Vol. 9, Issue 1, Pages: 48-54(1991)
- Affiliations：
  
  1. Institute of Chemistry, Academia Sinica,Beijing
  2. Academia Sinica
  3. Academia Sinica Beijing
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：20 March 1991
- Accepted：
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[1]宝净生,王兵,徐朝俦.STUDIES ON THE REGULAR COPOLYMERS OF POLY (1, 4-PHENYLENETEREPHTHALAMIDE)[J].Chinese Journal of Polymer Science,1991,{4}(01):48-54.

BAO Jingsheng, WANG Bing, XU Chaochou. STUDIES ON THE REGULAR COPOLYMERS OF POLY (1, 4-PHENYLENETEREPHTHALAMIDE)[J]. 1991, 9(1): 48-54.
[1]宝净生,王兵,徐朝俦.STUDIES ON THE REGULAR COPOLYMERS OF POLY (1, 4-PHENYLENETEREPHTHALAMIDE)[J].Chinese Journal of Polymer Science,1991,{4}(01):48-54. DOI：

BAO Jingsheng, WANG Bing, XU Chaochou. STUDIES ON THE REGULAR COPOLYMERS OF POLY (1, 4-PHENYLENETEREPHTHALAMIDE)[J]. 1991, 9(1): 48-54. DOI：

摘要

正

Two types of the regular copolymer of poly （1

4-phenyleneterephthalamide） were synthesized by the low temperature solution polycondensation in NMP-CaCl

solvent system

using the piperazine or 2

5-dimethylpiperazine as the third components introduced in the main chain of poly （1

4-phenyleneterephthalamide）. The properties of copolymers were characterized by IR

SEM

X-RAY diffraction

polarizing microscopy

TGA and solubilities.Experimental results showed that the copolymers had good solubility and thermal stability

the concentrated sulfuric acid （～98% ） solution of regular PPTA copolymers had liquid crystalline proper-

Abstract

Two types of the regular copolymer of poly （1

4-phenyleneterephthalamide） were synthesized by the low temperature solution polycondensation in NMP-CaCl

solvent system

using the piperazine or 2

5-dimethylpiperazine as the third components introduced in the main chain of poly （1

4-phenyleneterephthalamide）. The properties of copolymers were characterized by IR

SEM

X-RAY diffraction

polarizing microscopy

TGA and solubilities.Experimental results showed that the copolymers had good solubility and thermal stability

the concentrated sulfuric acid （～98% ） solution of regular PPTA copolymers had liquid crystalline proper-

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