Journal ArticleDOI
Application of Azido Esters as Energetic Plasticizers for LOVA Propellant Formulations
Dimple Kumari,K. Durga Bhaskhar Yamajala,Haridwar Singh,R. R. Sanghavi,S. N. Asthana,K. Raju,Shaibal Banerjee +6 more
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TLDR
In this paper, a cyclotrimethylene trinitramine-based low vulnerable ammunition (LOVA) propellant having cellulose acetate (CA) and nitrocellulose (NC) combinations as binders is described.Abstract:
The study of a cyclotrimethylene trinitramine-based low vulnerable ammunition (LOVA) propellant having cellulose acetate (CA) and nitrocellulose (NC) combinations as binders is described herein. Two propellant compositions (1 and 2) were prepared by replacing the non energetic plasticizer triacetin (TA) with the novel tetraazido ester plasticizers tetraazido malonate and tetraazido glutarate, respectively, and their ballistic, mechanical, and thermal properties were studied. Both compositions 1 and 2 showed thermal stability up to 200 °C with a heat release of 1752.81 and 1774.34 J g−1, respectively. Both compositions have high impact insensitivity (h50: 39 cm), friction insensitivity up to 36 kg, and an ignition temperature greater than 250 °C. The flame temperatures of 1 and 2 are 3164 and 3243 K with linear burn rate coefficients of 0.117 and 0.122 cm s−1 MPa−1, respectively. Similar percentage elongations at three different temperatures (−20 °C, +27 °C, and +55 °C) conditions were recorded for both compositions.read more
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Journal ArticleDOI
New Strategies for the Synthesis of Aliphatic Azides.
TL;DR: A review of modern synthetic strategies to access aliphatic azides that have emerged since 2010 is presented in this article, where the challenges and potential opportunities of the topic are outlined.
Journal ArticleDOI
Reactive & Efficient: Organic Azides as Cross-Linkers in Material Sciences.
Marvin Schock,Stefan Bräse +1 more
TL;DR: This review focuses on nitrene-based applications of multivalent organic azides in the material and life sciences and examines their propensity to release nitrogen by thermal activation or photolysis and their applications in polymer crosslinking.
Journal ArticleDOI
Comparison of 1-Ethyl-5H-tetrazole and 1-Azidoethyl-5H-tetrazole as Ligands in Energetic Transition Metal Complexes.
Maximilian H. H. Wurzenberger,Michael S. Gruhne,Marcus Lommel,Norbert Szimhardt,Thomas M. Klapötke,Jörg Stierstorfer +5 more
TL;DR: In this paper, the synthesis of 12 new ECC based on 1-azidoethyl-5H-tetrazole (AETZ) and 1-ethyl 5H-to-5Etrazole(1-ETZ), as nitrogen-rich ligands as well as various central metals (Cu2+, Fe2+, Fe2+ ), Zn2+, Ag+, Ag+ ) and anions such as perchlorate and nitrate, were reported.
Journal ArticleDOI
Nitroxy/azido-functionalized triazoles as potential energetic plasticizers.
Yongxing Tang,Jean'ne M. Shreeve +1 more
TL;DR: The results show that the nitration product 1-nitro-3,5-di(nitroxymethyl)-1,2,4-triazole, containing a nitro group and two nitroxy groups, exhibits good detonation properties and its low melting point makes it very attractive as an energetic plasticizer in solid propellants.
Journal ArticleDOI
Comparison of the structural and physical properties of nitrocellulose plasticized by N-butyl-N-(2-nitroxy-ethyl) nitramine and nitroglycerin: Computational simulation and experimental studies.
TL;DR: Computational and experimental studies on the effects of N-butyl-N-(2-nitroxy-ethyl) nitramine (Bu-NENA) and nitroglycerin (NG) on the plasticization of nitrocellulose reveal great potential in design and fabricating low vulnerable insensitive propellants.
References
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BookDOI
Chemistry of high-energy materials
TL;DR: In this article, the basic chemistry of high energy materials -primary and secondary explosives, propellants, rocket fuel and pyrotechnics -and their applications in both military and civil fields are discussed.
BookDOI
High energy density materials
TL;DR: In this article, the authors present a computational analysis of Nitrogen-Rich Heterocycles and show that they have high sensitivity to high energy and high energy properties compared to other HEDMs.
Journal ArticleDOI
Energetic plasticizers for gun & rocket propellants
TL;DR: In this paper, the recent advances in the field of energetic plasticizers with special reference to their applications in gun and rocket propellants are discussed, as well as future scope for R&D work in this area.
Journal ArticleDOI
Synthesis, characterization, thermal and computational studies of novel tetra-azido esters as energetic plasticizers
Dimple Kumari,Haridwar Singh,Mahendra Patil,Walter Thiel,Chandra Shekhar Pant,Shaibal Banerjee +5 more
TL;DR: In this article, two tetra-azido energetic plasticizers, bis(1,3-diazido prop-2-yl)malonate (1) and bis( 1,3diazidos prop 2yl)glutarate (2), have been synthesized and characterized by IR, 1 H NMR, 13 C NMR and HRMS.