Autor: Klapötke, T. M. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Preparation and Characterization of 1-(5-Azido-1H-1,2,4-triazol-3-yl)tetrazole
Autorzy:: Izsák, D.
Klapötke, T. M.
Powiązania:: https://bibliotekanauki.pl/articles/358367.pdf
Data publikacji:: 2015
Wydawca:: Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:: energetic materials
heterocycles
triazoles
tetrazoles
azides
Opis:: This study presents the preparation of 1-(5-azido-1H-1,2,4-triazol-3yl)tetrazole (5) from commercially available chemicals in a five step synthesis. The energetic title compound was comprehensively characterized by various means, including vibrational (IR, Raman) and multinuclear (1H, 13C, 14N, 15N) NMR spectroscopy, mass spectrometry and differential scanning calorimetry. The sensitivities towards various outer stimuli (impact, friction) were determined according to BAM standards. The enthalpy of formation was calculated at the CBS-4M level of theory.
Źródło:: Central European Journal of Energetic Materials; 2015, 12, 3; 403-416
1733-7178
Pojawia się w:: Central European Journal of Energetic Materials
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Hydrazinium 5-Aminotetrazolate: an Insensitive Energetic Material Containing 83.72% Nitrogen
Autorzy:: Fischer, N.
Klapötke, T. M.
Scheutzow, S.
Stierstorfer, J.
Powiązania:: https://bibliotekanauki.pl/articles/358539.pdf
Data publikacji:: 2008
Wydawca:: Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:: hydrazines
tetrazoles
crystal structure
energetic materials
sensitivities
Opis:: Hydrazinium 5-aminotetrazolate (2) was synthesized via two facile routes. Both the reaction of 5-amino-1H-tetrazole (1) with hydrazine hydrate in aqueous solution and the reaction of 1 with diluted hydrazine solution in THF yield 2 in excellent purities and yields. 2 was characterized comprehensively by X-ray diffraction, IR, Raman and multinuclear NMR spectroscopy, mass spectrometry, elemental analysis and differential scanning calorimetry. The heat of formation was calculated (CMS-4M) using the atomization method to be 373 kJ mol-1. With this value and the X-ray density several detonation parameter (heats of explosion, detonation pressure, detonation velocity, explosion temperature) were calculated with the EXPLO5 computer software. An incredible high value (9516 m s-1) was obtained for the detonation velocity. Therefore experimentally tests to determine the velocity of detonation were performed. In addition the use of 2 in solid propellant compositions was calculated and tested in combination with oxidizers, e.g. ammonium dinitramide. Lastly the sensitivities towards impact, friction and electrostatic discharge were determined with the BAM drophammer, friction tester and an ESD machine.
Źródło:: Central European Journal of Energetic Materials; 2008, 5, 3-4; 3-18
1733-7178
Pojawia się w:: Central European Journal of Energetic Materials
Dostawca treści:: Biblioteka Nauki

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