Chinese Journal of Polymer Science

, Volume 31, Issue 4, pp 679–690 | Cite as

A quick and green ionic liquid-mediated approach for the synthesis of high-performance, organosoluble and thermally stable polyimides

  • Mehdi Taghavi
  • Mousa Ghaemy
  • Marjan Hassanzadeh
  • Seyed Mojtaba Amini Nasab
Papers
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Abstract

Three diamine monomers with different derivatives of imidazole heterocyclic ring and meta-linked aryl ethers were synthesized and used in polycodensation reaction with various commercial dianhydrides for preparation of a series of novel poly(ether-imide) (PEI)s. The polycodensation reactions were carried out by using conventional method and in a green medium of ionic liquid (IL) without using NMP-pyridine-acetic anhydride. The PEIs were obtained in good yields (80%–96%) with moderate viscosity (0.48–0.66 dL/g) in a shorter reaction time (10 h) in IL as compared with the conventional method (36 h). All of the polymers were amorphous in nature, showed excellent solubility in amide-type polar aprotic solvents with ability to form tough and flexible films, and excellent thermal stability with T gs in the range of 212–340 °C and 10% weight loss temperature (T 10) up to 570 °C in N2 and 528 °C in air.

Keywords

Ionic liquids Poly(ether-imide) Polycodensation Green media Thermal properties 
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Copyright information

© Chinese Chemical Society, Institute of Chemistry, Chinese Academy of Sciences and Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Mehdi Taghavi
    • 1
  • Mousa Ghaemy
    • 1
  • Marjan Hassanzadeh
    • 1
  • Seyed Mojtaba Amini Nasab
    • 1
  1. 1.Polymer Chemistry Research Laboratory, Department of ChemistryUniversity of MazandaranBabolsarIran

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