| abstract |
The invention relates to the use of minus a polymer comprising a repeating unit of formula (I) (see formula I) in which X and Y single bond or hydrocarbon group linear C1-C50; R1 and R2 = H, CN, C (Z) 3, CH (Z) 2, CH2Z with Z = halogen; NH2, NHR3, NR3R4 with R3, R4 = halogen, CH3 or linear or branched C2-C20 hydrocarbon chain, saturated or unsaturated, optionally comprising one or several heteroatoms and / or chemical functions having at least one heteroatom; at least one of R1 and R2 being # of H; or a composite comprising this polymer and one or several conductive fillers, as a material sensitive in a sensor to detect compounds nitro. Applications: detection of explosives, control / monitoring of air pollution and quality of ambiences, monitoring of sites industrial. |