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Issue 8, 2017
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Microporous polyimide networks constructed through a two-step polymerization approach, and their carbon dioxide adsorption performance

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Abstract

Based on a dianhydride monomer 2,5-bis(3,4-dicarboxyphenoxy)-4′-phenylethynyl biphenyl (PEPHQDA) containing a crosslinkable phenylethynyl pendant group, microporous polyimide networks (HBPI-CRs) were prepared through a two-step pathway combining polymerization and crosslinking reactions. Specifically microporous features such as surface morphology, microporous structure and uniform nanometer-sized pore channels were introduced to the polyimide networks through this two-step pathway. The HBPI-CR networks exhibited a BET surface area (385–497 m2 g−1) as well as a comparable CO2 uptake (1.65–2.04 mmol g−1 at 273 K and 1 bar) and enthalpy of adsorption (28.6–30.0 kJ mol−1) to that of other microporous polyimides derived from rigid tri-dimensional monomers.

Graphical abstract: Microporous polyimide networks constructed through a two-step polymerization approach, and their carbon dioxide adsorption performance

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Publication details

The article was received on 16 Oct 2016, accepted on 04 Jan 2017, published on 04 Jan 2017 and first published online on 04 Jan 2017


Article type: Paper
DOI: 10.1039/C6PY01814A
Citation: Polym. Chem., 2017,8, 1298-1305
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    Microporous polyimide networks constructed through a two-step polymerization approach, and their carbon dioxide adsorption performance

    H. Yao, N. Zhang, N. Song, K. Shen, P. Huo, S. Zhu, Y. Zhang and S. Guan, Polym. Chem., 2017, 8, 1298
    DOI: 10.1039/C6PY01814A

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