ChemInform Abstract: Dinitramide and Its Salts. Part 5. Alkylation of Dinitramide and Its Salts.

Abstract

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Dependence of the Optimal Composition of Solid Propellants without Metal with the Maximum Accessible Value of the Specific Impulse on the Elemental Composition and Enthalpy of the Formation of the Oxidizer

“…However, from Figs. 1 and 2, it can be seen that at constant values, the optimal content of the HC in the blended binder shifts towards growth even with an increase in the coefficient α of the oxidizing agent, which was also noted in [1]. In this investigation, we studied the effect of the amount of hydrogen in the oxidizer at constant and α values (each of Figs.…”

“…For the first few decades, the development of the chemistry of solid composite propellants was aimed at creating oxidizers with a high oxygen content, in order, due to the latter, to ensure heat was released during the oxidation of a hydrocarbon binder to CO 2 and water, and metal to the oxide. These oxidants were ammonium nitrate (AN), ammonium perchlorate (AP), and dinitramine ammonium salt (ADN) [1]. Since they all had low values of the enthalpy of formation (in the AN-AP-ADN series, grows from -1080 to -270 kcal/kg), a sharp increase in the specific impulse (I sp ) was achieved by introducing metals into the propellant (especially Be, Al, and B) [2].…”

Properties of Two and Three-Component Explosive Compositions Based on Porous Silicon

“…In this study, sodium perchlorates (NaClO 4 ) and barium (BaClO 4 ) 2 , as well as calcium nitrate (Ca(NO 3 ) 2 ), PETN, and dinitramide ammonium salt (ADNA, (NH 4 N (NO 2 ) 2 ) [15]. The oxidants are selected due to their simplicity, availability (except for the latter), and high degree of solubility in widely used and volatile solvents.…”

“…In addition, their oxygen equivalent, the mass of the oxidizer in grams which is required to release 1 g of oxygen with its complete (or incomplete) reduction, was taken into account [8]. Dinitramide salt was chosen as it is a promising chlorine-free oxidizer of composite solid rocket propellants (CSRPs), which has better energy characteristics than the ammonium perchlorate traditionally used in CSRPs [15].…”

Efficient synthesis of N-(chloromethyl)nitramines via TiCl4-catalyzed chlorodeacetoxylation

“…Chloromethylnitramines (1, Fig. 1), as suppliers of the methylene nitramine building block, are useful synthetic synthons, the chlorine atom of which can be used for nucleophilic displacement with various explosophoric units, such as azide ions, 17,18 oxygen-and nitrogen-rich anions, [19][20][21][22][23][24][25][26][27][28][29][30][31] etc.…”