Synthesis and Energetic Properties of 4,4′,5,5′-Tetranitro-2,2′-biimidazolate(N4BIM) Salts

被引:21
|
作者
Chavez, David E. [1 ]
Parrish, Damon [2 ]
Preston, Daniel N. [1 ]
Mares, Isaac W. [1 ]
机构
[1] Los Alamos Natl Lab, Weap Experimentat Div, Los Alamos, NM 87545 USA
[2] USN, Res Lab, Washington, DC 20375 USA
关键词
Propellants; Explosives; NITROGEN; DECOMPOSITION; COMPOUND; CHAIN;
D O I
10.1002/prep.201200040
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
This paper describes the synthesis and characterization of several salts of 4,4',5,5'-tetranitro-2,2'-biimidazolate (N4BIM). Each of the salts were characterized chemically, thermally, morphologically, as well as with respect to destructive stimuli (impact, electrostatic discharge, friction, thermal). These salts show promise as propellant ingredient additives, and in particular, the bis-triaminoguanidinium salt of N4BIM displays excellent burn rate and combustion behavior. Our combustion studies have shown that TAGN4BIM displays a fast burning rate and has the lowest pressure dependence exponent yet measured for a triaminoguanidinium salt.
引用
收藏
页码:647 / 652
页数:6
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