Solid-state decomposition kinetics of pentaerythritol tetranitrate

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Decomposition of pentaerythritol tetranitrate (PETN) was monitored at constant volume under variable pressures of NO{sub 2} using differential scanning calorimetry(DSC). Decomposition involved a slow initial reaction followed by an autocatalytic transition at longer times. The apparent induction time(time-to-maximum rate) for autocatalysis was found to be dependent upon sample mass and the initial pressure of NO{sub 2}. A global kinetic model consistent with observed product distributions and the free radical chain decomposition mechanisms proposed for simpler alkyl nitrates was found to yield calculated induction times in accord with experiment. 13 refs., 3 figs.

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Pages: (6 p)

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Pickard, J.M. January 1, 1990.

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Description

Decomposition of pentaerythritol tetranitrate (PETN) was monitored at constant volume under variable pressures of NO{sub 2} using differential scanning calorimetry(DSC). Decomposition involved a slow initial reaction followed by an autocatalytic transition at longer times. The apparent induction time(time-to-maximum rate) for autocatalysis was found to be dependent upon sample mass and the initial pressure of NO{sub 2}. A global kinetic model consistent with observed product distributions and the free radical chain decomposition mechanisms proposed for simpler alkyl nitrates was found to yield calculated induction times in accord with experiment. 13 refs., 3 figs.

Physical Description

Pages: (6 p)

Notes

NTIS, PC A02/MF A01 - OSTI; GPO Dep.

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  • 19. annual North American thermal analysis society conference, Boston, MA (USA), 23-26 Sep 1990

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  • Other: DE91002713
  • Report No.: MLM-3665(OP)
  • Report No.: CONF-9009223--5
  • Grant Number: AC04-88DP43495
  • Office of Scientific & Technical Information Report Number: 6430369
  • Archival Resource Key: ark:/67531/metadc1212720

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  • January 1, 1990

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  • July 5, 2018, 11:11 p.m.

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  • Dec. 13, 2018, 5:24 p.m.

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Pickard, J.M. Solid-state decomposition kinetics of pentaerythritol tetranitrate, article, January 1, 1990; United States. (https://digital.library.unt.edu/ark:/67531/metadc1212720/: accessed March 25, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.