Journal of Polymer Research

, 26:243 | Cite as

Poly(arylene ether ketone) containing amino and fluorenyl groups for highly selective of gas separation

  • Lei Hou
  • Zhe WangEmail author
  • Jingmei Xu
  • Zhaoyu Chen


In this study, a series of poly(arylene ether ketone) containing amino and fluorenyl groups (Am-PAFEK-X) were successfully prepared by the polycondensation, which was confirmed by analizing its chemical structure with the Fourier transform infrared spectroscopy (FT-IR) and nuclear magnetic resonance. It was found that Am-PAFEK-X exhibited high thermal stability (Td5 > 172 °C) and glass transition temperature (Tg > 191 °C) as well as good mechanical properties, and its highest Young’s modulus and tensile strength are respectively 2299 MPa and 59 MPa. In addition, the O2, N2, CO2 and CH4 were applied to study the gas transmission properties of Am-PAFEK-X membranes to different gases, in which the Am-PAFEK-60% had the highest selectivity to CO2/N2 and CO2/CH4, respectively 31.13 and 33.36. As shown in the results, the selectivity of the membrane to CO2 increased with the increase of the large rigid fluorenyl groups, which indicated that the gas permeation results were closely related to the intermolecular interaction and the structure of the polymer chain.


Membrane Poly (arylene ether ketone) Gas separation Amino groups Fluorenyl groups 



The authors are very grateful to the China Natural Science Foundation(grant no.s 51673030, 51603017 and 51603011). Jilin Provincial Science & Technology Department (grant no.s 20180101209JC, 20160520138JH, 20160519020JH) and ChangBai Mountain Scholars Program of Jilin Province for financial support for this work.


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Copyright information

© The Polymer Society, Taipei 2019

Authors and Affiliations

  1. 1.College of Chemical Engineering Changchun University of TechnologyChangchunChina
  2. 2.Advanced Institute of Materials Science Changchun University of TechnologyChangchunChina

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