Cooling crystallization of 1,1-diamino-2,2-dinitroethylene

被引：0
|
作者：
Kim, Jae-Kyeong [1 ]
Kim, Jun-Woo [1 ]
Kim, Hyoun-Soo [2 ]
Koo, Kee-Kahb [1 ]
机构：
[1] Sogang Univ, Seoul 121742, South Korea
[2] Agcy Def Dev, Daejeon 305600, South Korea
来源：
NEW TRENDS IN RESEARCH OF ENERGETIC MATERIALS, PTS I & II, 13TH SEMINAR | 2010年
关键词：
cooling; crystallization; 1,1-diamino-2,2-dinitroethylene;
D O I：
暂无
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
For manipulating crystal quality of 1,1-dianzino-2,2-dinitroethylene (DADNE), experiments on the cooling crystallization of DADNE were made as a function of cosol-vents(solvent/anti-solvent mixtures), DADNE concentrations, cooling rates and stirring speeds. When N-methyl-2-pyrrolidone (NMP) and dimethylformamide (DMF) were used as a single solvent, DADNE crystals were shown to be agglomerates with needles or platelets and their yields were about 15-30 %. On the other hand, when cosolvents with water(DMAc+H2O) were used, polyhedron-shaped DADNE crystals with size of 100-200 mu m and yields of 70-80 % were obtained.
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收藏
页码：518 / 522
页数：5
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