Pyrene-functionalised, alternating copolyimide for sensing nitroaromatic compounds
Burattini, S., Colquhoun, H.M., Greenland, B.W., Hayes, W. and Wade, M. (2009) Pyrene-functionalised, alternating copolyimide for sensing nitroaromatic compounds. Macromolecular Rapid Communications, 30 (6). pp. 459-463. ISSN 1022-1336
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To link to this article DOI: 10.1002/marc.200800630
A novel, pyrene-functionalised copolymer has been synthesised in a single step via imidisation of poly(maleic anhydride-alt-1-octadecene) with 1-pyrenemethylamine, and its potential for the detection of volatile nitro aromatic compounds (NACs) evaluated. The new copolymer forms complexes in solution with NACs such as 2,5-dinitrobenzonitrile, as shown by H-1 NMR, UV-vis and fluorescence spectroscopy. Moreover, thin films of this copolymer, cast from THF solution, undergo almost instantaneous fluorescence quenching when exposed to the vapour of 2,5-dinitrobenzonitrile (a model for TNT) at ambient temperatures and pressures.
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