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含能材料  2007 

HNIW在硝酸中的转晶技术研究

Keywords: 应用化学,HNIW,转晶,粒度分布,溶解度

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Abstract:

测定了六硝基六氮杂异伍兹烷(HNIW)在不同浓度硝酸中的溶解度及其随温度的变化。研究了将α、γ-HNIW在硝酸中转晶为ε-HNIW的工艺。结果表明,通过改变硝酸浓度、加晶种温度、搅拌速率可制备出具有不同结晶特性的HNIW。采用90%的硝酸进行HNIW的转晶,将加晶种温度控制在34~40℃,可以得到ε-HNIW,得率为98%以上,纯度为99%以上,酸值低于2‰。

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