Pyrene-Functionalised, Alternating Copolyimide for Sensing Nitroaromatic Compounds

Autor: Mathew Wade, Howard M. Colquhoun, Stefano Burattini, Wayne Hayes, Barnaby W. Greenland
Rok vydání: 2009
Předmět:
Zdroj: Macromolecular Rapid Communications. 30:459-463
ISSN: 1521-3927
1022-1336
DOI: 10.1002/marc.200800630
Popis: 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 (1) H 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.
Databáze: OpenAIRE