Synthesis and properties of novel organosoluble copoly(arylene ether nitriles) containing thioether moiety

  • Zejun Pu
  • Linqing Hu
  • Yuhan Tian
  • Xiaoyi Zheng
  • Jiachun Zhong
  • Xiaobo Liu
ORIGINAL PAPER
  • 35 Downloads

Abstract

In this work, a series of novel organosoluble copoly(arylene ether nitriles) containing thioether moiety (PENS) were synthesized via nucleophilic aromatic substitution polymerization of 2,6-dichlorobenzonitrile with bisphenol A and sodium sulfide nonahydrate, using N-Methyl-2-Pyrrolidone as solvent in the presence of anhydrous potassium carbonate. The chemical structures of PENS were characterized by FTIR and 1H NMR. The derived copolymers showed high glass transition temperatures in the range of 167–178 °C and excellent thermal stability with the 5% weight loss temperatures ranging from 465 °C to 503 °C. Meanwhile, all of the PENS were amorphous and can be readily cast into transparent films with a tensile strength exceeding 77 MPa and a breaking elongation over 4.8%.In addition, the dielectric constant of all the PENS copolymers showed weak frequency dependence, the dielectric loss showed slight decrease with increasing frequency over the range of 100 Hz to 200 kHz. Therefore, this kind of organosoluble copoly(arylene ether nitriles) containing thioether moiety could be a good candidate as matrix resins for high-performance polymeric materials.

Keywords

Poly(arylene ether nitriles) Copolymers Thermal properties Mechanical properties Dielectric properties 

Notes

Acknowledgements

The authors wish to thank for the Sichuan University of Science and Engineering Talent Introduction Project (No.2016RCL35, No. 2015RC56), Material Corrosion and Protection Key Laboratory of Sichuan Province Open Fund Projects (2016CL16) and Key Science and Technology Planning Project of Zigong City (2017XC04).

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Copyright information

© Springer Science+Business Media B.V., part of Springer Nature 2018

Authors and Affiliations

  • Zejun Pu
    • 1
  • Linqing Hu
    • 1
  • Yuhan Tian
    • 1
  • Xiaoyi Zheng
    • 1
  • Jiachun Zhong
    • 1
  • Xiaobo Liu
    • 2
  1. 1.College of Materials Science and EngineeringSichuan University of Science & EngineeringZigongChina
  2. 2.High Temperature Resistant Polymer and Composites Key Laboratory of Sichuan ProvinceUniversity of Electronic Science and Technology of ChinaChengduChina

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