Results 121 to 130 of about 236 (166)
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Hazardous Properties of Molten Ammonium Dinitramide
Propellants, Explosives, Pyrotechnics, 2020AbstractThe purpose of this article is to alert our peers on the danger faced by those who carry out experiments involving molten ammonium dinitramide (ADN). In recent experiments aiming at preparing submicron particles of this compound, a preliminary study of the sensitivity to impact of molten ADN was performed.
Comet, Marc +4 more
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Research on optimizing the synthesis of ammonium dinitramide
Journal of Military Science and Technology, 2022Ammonium dinitramide (ADN) is one of the potential oxidants in solid propellant formulations because it is environmentally friendly, has a high specific impulse, and has minimum signature exhaust gases. ADN was synthesized through the nitration reaction of potassium sulfamate salt with a mixture of sulfuric acid and nitric acid.
Quang Hieu Pham +3 more
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Energetics of ammonium dinitramide decomposition steps
Computational and Theoretical Chemistry, 1998Abstract The structures, energies at 0 K and enthalpies at 298 K have been computed for 37 molecules, ions and transition states that have been implicated in the thermal decomposition of ammonium dinitramide. A density functional procedure was used: DF/B3P86/6–31 + G ∗∗.
Jorge Seminario +2 more
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Comparative DFT Study of Crystalline Ammonium Perchlorate and Ammonium Dinitramide
The Journal of Physical Chemistry A, 2008The electronic structure, vibrational properties, absorption spectra, and thermodynamic properties of crystalline ammonium perchlorate (AP) and ammonium dinitramide (ADN) have been comparatively studied using density functional theory in the local density approximation.
Weihua, Zhu +3 more
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On the Anomalous Decomposition and Reactivity of Ammonium and Potassium Dinitramide
The Journal of Physical Chemistry A, 2010Mechanistic pathways for the thermal decomposition of the solid-state energetic oxidizers ammonium dinitramide (ADN) and potassium dinitramide (KDN) have been deciphered by carefully considering previously performed experimental studies and using state of the art quantum chemical modeling of molecular clusters.
Martin, Rahm, Tore, Brinck
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MODELING THE PHOTOLYSIS OF AMMONIUM DINITRAMIDE IN NATURAL WATERS
Environmental Toxicology and Chemistry, 2000Abstract Photolytic rate constants for the novel energetic compoundammonium dinitramide(ADNweredetermined in order to understand the fate of ADN in natural bodies of water. Quantum yields were measured between 290 and 400 nm using a lamp system, and these values were combined with absorption of light in a water column to model photolysis
Michelle K Beretvas +3 more
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Thermal decomposition of ammonium dinitramide and mechanism of anomalous decay of dinitramide salts
Russian Chemical Bulletin, 1999Thermal decomposition of ammonium dinitramide proceedsvia homolytic rupture of the N−NO2 bond and partially by the proton transfer reaction. The monomolecular decay of the anion to N2O and NO3 − in the solid state at 60 °C occurs with higher rates than those in the melt.
A. N. Pavlov +4 more
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Thermal Analysis of Ammonium Dinitramide Decomposition
Propellants, Explosives, Pyrotechnics, 1997AbstractThe new energetic material ammonium dinitramide (ADN), NH4N(NO2)2, has been investigated with regard to its thermal properties and decomposition behavior. Thermal decomposition of ADN is observed after complete melting at 91.5 °C. The main decomposition pathway is based on the formation of NH4NO3 and N2O followed by the thermal decomposition of
Stefan Löbbecke +2 more
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Propellants, Explosives, Pyrotechnics, 2004
AbstractIn recent years, there has been a considerable interest in the development of novel type of high performance propellants for use in solid rocket motors. Ammonium salt of dinitramidic acid NH4N(NO2)2 (ADN) has attracted wide interest as a potentially useful energetic oxidizer for rocket propellants because of its clean and environment‐friendly ...
Subbiah Venkatachalam +2 more
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AbstractIn recent years, there has been a considerable interest in the development of novel type of high performance propellants for use in solid rocket motors. Ammonium salt of dinitramidic acid NH4N(NO2)2 (ADN) has attracted wide interest as a potentially useful energetic oxidizer for rocket propellants because of its clean and environment‐friendly ...
Subbiah Venkatachalam +2 more
exaly +2 more sources
Stabilization of ammonium dinitramide in the liquid phase
Russian Chemical Bulletin, 2000The kinetics of accumulation of the main products of thermal decomposition of ammonium dinitramide in the melt was investigated. The isotope composition of nitrogen-containing gases evolved by the decomposition of 15NH4N(NO2)2 and NH4 15N(NO2)2 was found.
A. B. Andreev +4 more
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