Non-aqueous Suspension Polycondensation in NMP-CaCl<sub>2</sub>/Paraffin System ― A New Approach for the Preparation of Poly(<italic style="font-style: italic">p</italic>-phenylene terephthalamide)

Pei-jian Wang; Kai Wang; Ji-song Zhang; Guang-sheng Luo

doi:10.1007/s10118-015-1607-1

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Non-aqueous Suspension Polycondensation in NMP-CaCl₂/Paraffin System ― A New Approach for the Preparation of Poly(p-phenylene terephthalamide)

PAPER | Updated：2021-06-21

- Non-aqueous Suspension Polycondensation in NMP-CaCl₂/Paraffin System ― A New Approach for the Preparation of Poly(p-phenylene terephthalamide)
- Chinese Journal of Polymer Science Vol. 33, Issue 4, Pages: 564-575(2015)
- Affiliations：
  
  The State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
- Author bio：
  
  **Guang-sheng Luo (骆广生), E-mail: gsluo@tsinghua.edu.cn
- Funds：
- DOI：10.1007/s10118-015-1607-1
  CLC：
- Received：11 July 2014，
  
  Revised：2014-09-01，
  
  Accepted：02 September 2014，
  
  Published：2015-04
- Accepted：
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Pei-jian Wang, Kai Wang, Ji-song Zhang, et al. Non-aqueous Suspension Polycondensation in NMP-CaCl₂/Paraffin System ― A New Approach for the Preparation of Poly(p-phenylene terephthalamide)[J]. Chinese Journal of Polymer Science, 2015, 33(4): 564-575. DOI: 10.1007/s10118-015-1607-1.
DOI：

Pei-jian Wang, Kai Wang, Ji-song Zhang, et al. Non-aqueous Suspension Polycondensation in NMP-CaCl₂/Paraffin System ― A New Approach for the Preparation of Poly(p-phenylene terephthalamide)[J]. Chinese Journal of Polymer Science, 2015, 33(4): 564-575. DOI: 10.1007/s10118-015-1607-1. DOI：

摘要

Abstract

A non-aqueous suspension polycondensation method was proposed to proceed the reaction of

-phenylenediamine and terephthaloyl chloride for the preparation of poly(

-phenylene terephthalamide) (PPTA). The system was operated with NMP-CaCl

solution as the dispersed phase and inert liquid paraffin as the continuous phase. Each of NMP-CaCl

solution microdroplet suspended in paraffin served as a microreactor where the polycondensation took place. According to the results of TGA

XRD

SEM and EA

PPTA with good quality was obtained through this novel method

and a number of main factors influencing this process were investigated to determine the optimum condition for the preparation of PPTA. Besides

this two-phase polycondensation system brings many unique advantages compared to the conventional solution polycondensation method

including a sealed reaction environment keeping the reactants away from oxygen and water

easy removal of HCl to promote the reaction

well-controlled temperature and low viscosity which means less energy cost.

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Non-aqueous Suspension Polycondensation in NMP-CaCl2/Paraffin System ― A New Approach for the Preparation of Poly(p-phenylene terephthalamide)

DOI：10.1007/s10118-015-1607-1

摘要

Abstract

关键词

Keywords

references

Non-aqueous Suspension Polycondensation in NMP-CaCl₂/Paraffin System ― A New Approach for the Preparation of Poly(p-phenylene terephthalamide)