Nitro Groups vs. N-Oxide Linkages: Effects Upon Some Key Determinants of Detonation Performance

• Autorzy: Politzer P. , Murray J. S.

Identyfikatory

DOI

10.22211/cejem/68723

• Języki publikacji: EN

Abstrakty

EN

Increasing the nitrogen/carbon ratios in the molecular frameworks of C,H,N,O explosives has attracted considerable attention because it tends to result in more positive heats of formation and often greater densities. In conjunction with this, there has been a growing interest in N-oxide linkages, N+ → O−, as another source of oxygen in these compounds, in addition to or even possibly replacing NO2 groups. In this study, for a series of polyazines and polyazoles, we have compared the effects of introducing a single N-oxide linkage or NO2 group upon key properties that affect detonation velocity and detonation pressure. We found that: (1) The heats of formation per gram of compound, which is what is relevant for this purpose, are almost always higher for the N-oxides. (2) The nitro derivatives have greater densities and detonation heat releases. In relation to the latter, it must be kept in mind that increasing detonation heat release tends to be accompanied by increasing sensitivity. (3) The N-oxides produce more moles of gaseous detonation products per gram of compound.

Słowa kluczowe

EN

C,H,N,O explosives; detonation velocity; detonation pressure; N-oxides; polyazines; polyazoles; detonation heat release; crystal density; heats of formation; gaseous detonation products

• Czasopismo: Central European Journal of Energetic Materials
• Rocznik: 2017
• Tom: Vol. 14, no. 1
• Strony: 3--25
• Opis fizyczny: Bibliogr. 72 poz., rys., tab.

Twórcy

autor

Politzer P.

• Department of Chemistry, University of New Orleans 70148 New Orleans (Louisiana), United States

autor

Murray J. S.

• Department of Chemistry, University of New Orleans 70148 New Orleans (Louisiana), United States

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).