Wszystkie pola: Klapötke, T. M. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Energetic Nitrogen-Rich Polymers Based on Cellulose
Autorzy:: Betzler, F. M.
Klapötke, T. M.
Sproll, S.
Powiązania:: https://bibliotekanauki.pl/articles/358514.pdf
Data publikacji:: 2011
Wydawca:: Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:: energetic polymer
nitrogen rich polymer
cellulose
tetrazole
nitramine
Opis:: New nitrogen-rich polymers, based on cellulose, were synthesized using common procedures. The point of interest was the introduction of tetrazole and nitramine moieties. The polymers were characterized by elemental analysis and vibrational spectroscopy (IR). The energetic properties were investigated using differential scanning calorimetry and bomb calorimetric measurements. Several detonation parameters, such as the detonation pressure, velocity, energy and temperature were computed using the EXPLO5 code. In addition, the sensitivities towards impact and friction were tested using the BAM drophammer as well as a friction tester.
Źródło:: Central European Journal of Energetic Materials; 2011, 8, 3; 157-171
1733-7178
Pojawia się w:: Central European Journal of Energetic Materials
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: A New Energetic Binder: Glycidyl Nitramine Polymer
Autorzy:: Betzler, F. M.
Hartdegen, V. A.
Klapötke, T. M.
Sproll, S. M.
Powiązania:: https://bibliotekanauki.pl/articles/358337.pdf
Data publikacji:: 2016
Wydawca:: Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:: energetic polymer
glycidyl nitramine
GNAP
GAP
polyGLYN
Opis:: A new energetic glycidyl-based polymer containing nitramine groups (glycidyl nitramine polymer, GNAP) was synthesized using glycidyl azide polymer (GAP) as the starting material. The synthesis involved Staudinger azide-amine conversion, followed by carbamate protection of the amino group, nitration with nitric acid (100%) and trifluoroacetic anhydride and was concluded by deprotection with aqueous ammonia. The products obtained were characterized by elemental analysis and vibrational spectroscopy (IR). The energetic properties of GNAP were determined using bomb calorimetric measurements and calculated with the EXPLO5 V6.02 computer code, showing better values regarding the energy of explosion (ΔEU = −4813 kJ kg−1), the detonation velocity (VDet = 7165 m•s−1), as well as the detonation pressure (pCJ = 176 kbar), than the comparable polymers GAP and polyGLYN. The explosion properties were tested by impact sensitivity (IS), friction sensitivity (FS), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA) and electrostatic discharge (ESD) equipment. The results revealed GNAP to be insensitive towards friction and electrostatic discharge, less sensitive towards impact (40 J) and a decomposition temperature (170 °C) in the range of polyGLYN.
Źródło:: Central European Journal of Energetic Materials; 2016, 13, 2; 289-300
1733-7178
Pojawia się w:: Central European Journal of Energetic Materials
Dostawca treści:: Biblioteka Nauki

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