球形ADN日光光解特性研究

为研究光解对二硝酰胺铵(ADN)宏观光解储存寿命、纯度和感度的影响,进行了固相ADN日光光分解试验。通过IR分析检测了ADN的光解变化趋势,通过液相色谱分析了ADN的纯度和宏观光解储存寿命。结果表明光解产物为AN,ADN在日光照射下宏观储存寿命为756.2天;ADN光解后颗粒形状仍呈球形,摩擦感度和撞击感度均降低。因此,ADN光照后纯度降低,但由于光解形成的AN球形晶粒包覆在ADN颗粒表面,ADN的热分解受到抑制。

Characteristic of Prilled Ammonium Dinitramide Photolyzed with Sunlight

The experiment of photolyzing prilled ADN with sunlight on solid phase were carried out to investigate the effect of photolysis on the purity,sensitivity and the apparent storage life of ammonium dinitramide. The process of photolyzing ADN was measured by IR analysis,the purity and apparent storage life of photolyzed ADN were tested by the liquid chromatogram. The result indicates that the product of photolysis is ammonium nitrate,and the apparent storage life of ADN photolyzed with sunlight are 756.2 days . The appearance of photolyzed ADN is analyzed by SEM. The friction and impact sensitivities of ADN all reduce ,which were tested according to military standard of China. So the purity of ADN reduces after photolyzing,but the decomposition of ADN is restrained because ADN grain is coated by the crystal of sphericized AN formed from the photolyzing.