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UV-induced photodecomposition of 2, 2′, 4, 4′, 6, 6′-hexanitrostillbene (HNS)

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Materials Science-Poland

Abstract

HNS (2, 2′, 4, 4′, 6, 6′-hexanitrostillbene) is a heat-resistant photosensitive explosive widely used in the booster charge. Investigation of the photodecomposition mechanism may provide important information for controlling and enhancing the detonation performance, also for the lifetime prediction. The UV-induced photodecomposition of HNS has been subjected to experimental studies. The UV-Vis spectra, X-ray photoelectron spectroscopy (XPS) and electron paramagnetic resonance spectra (EPR) demonstrate the formation of NO2 free radicals and nitroso derivatives of HNS upon UV irradiation, which proves well known facts that C-NO2 breaking and removal of oxygen from the nitro group take part in the photodecomposition of HNS.

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Authors and Affiliations

  1. Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang Sichuan, People’s Republic of China, 621900

    Yi Sun, Tao Xu, Yuanjie Shu & Fachun Zhong

  2. School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing Jiangsu, People’s Republic of China, 210094

    Yi Sun

Authors
  1. Yi Sun
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  2. Tao Xu
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  3. Yuanjie Shu
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  4. Fachun Zhong
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Correspondence to Tao Xu.

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Sun, Y., Xu, T., Shu, Y. et al. UV-induced photodecomposition of 2, 2′, 4, 4′, 6, 6′-hexanitrostillbene (HNS). Mater Sci-Pol 31, 306–311 (2013). https://doi.org/10.2478/s13536-013-0105-9

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  • DOI: https://doi.org/10.2478/s13536-013-0105-9

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