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1 Central European Journal of Energetic Materials

1 2009

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Ammonium nitrate phase state stabilization with small amounts of some organic compounds

Golovina N., Nechiporenko G., Nemtsev G., Zyuzin I., Manelis G. B., Lempert D.

Central European Journal of Energetic Materials

2009

Vol. 6, nr 1

45-56

The investigation considers phase stabilization of ammonium nitrate for considerable extension of its application area including new generation of gas-generating compositions for airbag inflators. It was shown that alloys of ammonium nitrate with small amounts (2-10%) of some organic compounds can have no phase transitions or at least have only one instead of three ones in initial ammonium nitrate. The mostly effective as stabilizers are the compounds that have rather close crystallographic parameters. A strong donor-acceptor interaction between nitrate-anion and organic molecules are found. Using quantum-chemical calculations, X-ray analysis, X-ray phase analysis, UV- and IR-spectroscopy it was found a new ammonium nitrate phase state in its alloy with some organic additives. This state is stable in temperature range between -50 and +100 C.