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Issue 40, 2020
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Facile synthesis of a porous polynorbornene with an azobenzene subunit: selective adsorption of 4-nitrophenol over 4-aminophenol in water

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Abstract

This paper reports the design and facile synthesis of porous polynorbornenes containing a 4,4′-dialkoxy-azobenzene subunit (named Azo-POP-13 and Azo-POP-14). They were synthesized by the robust reductive azo-coupling polymerization of the Ring-Opening-Metathesis-Polymerization (ROMP) product on bis-para-nitrophenylether of the norbornene diol. The polymerization rate of exo-NBNPE (kapp = 18.7 × 10−2 s−1) is faster than that of endo-NBNPE (kapp = 3.64 × 10−2 s−1). The as-synthesized Azo-POP-13 was found to selectively adsorb 4-nitrophenol (4-NP) over 4-aminophenol (4-AP) in water, with a selectivity up to 14.6 and good recyclability.

Graphical abstract: Facile synthesis of a porous polynorbornene with an azobenzene subunit: selective adsorption of 4-nitrophenol over 4-aminophenol in water

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Article information


Submitted
12 Jul 2020
Accepted
15 Sep 2020
First published
28 Sep 2020

Polym. Chem., 2020,11, 6429-6434
Article type
Communication

Facile synthesis of a porous polynorbornene with an azobenzene subunit: selective adsorption of 4-nitrophenol over 4-aminophenol in water

S. Peng, B. Zhang, W. Fan, S. Wang, Z. Zhang, Y. Liu, S. Chen and M. Huang, Polym. Chem., 2020, 11, 6429
DOI: 10.1039/D0PY00994F

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