不敏感含能材料MAD-X1的合成及性能
Synthesis and Properties of Insensitive Energetic Material MAD-X1
查看参考文献10篇
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文摘
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以草酸与氨基胍碳酸氢盐为原料,经脱水成环、重氮化取代、氧化、中和反应合成了不敏感含能材料1,1′-二羟基-3,3′-二硝基-5,5′-联-1,2,4-三唑二羟胺盐(MAD-X1),总收率为41.2%,采用红外光谱、~1 H NMR、~(13) C NMR及元素分析对产物的结构进行了表征。探讨了一锅法合成中间体5,5′-二氨基-3,3′-联-1,2,4-三唑(DABT)的机理及亚硝酸钠与硫酸摩尔比对重氮化取代反应收率的影响,对MAD-X1的热性能进行了分析,用NASA-CEA程序计算了MAD-X1-CMDB推进剂的能量特性。结果表明,采用一锅法合成DABT,周期短、收率高(75.1%),亚硝酸钠与硫酸的最佳摩尔比为2.4∶1,酸化试剂为浓盐酸,MAD-X1的热分解峰温度为248.7℃;MAD-X1-CMDB推进剂的理论比冲和特征速度分别为2449.6N·s/kg和1540.7m/s。 |
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其他语种文摘
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Taking oxalic acid and aminoguanidine bicarbonate as raw materials,a new insensitive energetic material, dihydroxylammonium 3,3′-dinitro-5,5′-bis-1,2,4-triazole-1,1′-diolate(MAD-X1)was synthesized by cyclodehydration, diazotization-substitution,oxidation and neutralization reactions with a total yield of 41.2%.Its structure was characterized by IR,~1 HNMR,~(13) C NMR and elemental analyses.The synthetic mechanism for the synthesis of 3, 3′-diamino-5,5′-bi-1,2,4-triazole(DABT)by one-pot method was dissussed.The effect of mole ratio of sodium nitrite and sulfuric acid on the yield of diazotization-substitution reaction was investigated.The thermal behavior of MAD-X1 was analyzed.The energy properties of MAD-X1-CMDB propellant were calculated by NASA-CEA program.Results show that the one-pot method for synthesis of DABT has the advantages of short cycle and high yield(75.1%).The best mole ratio of sodium nitrite and sulfuric acid is 2.4∶1 and the acidification reagent is hydrochloric acid.The thermal decomposition peak temperature of MAD-X1 is 248.7°C.The theory specific impulse and characteristic velocity of MAD-X1-CMDB propellant are 2 449.6N·s/kg and 1 540.7 m/s,respectively. |
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来源
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火炸药学报
,2015,38(5):13-17 【核心库】
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DOI
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10.14077/j.issn.1007-7812.2015.05.003
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关键词
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有机化学
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1,1′-二羟基-3,3′-二硝基-5,5′-联-1,2,4-三唑二羟胺盐
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MAD-X1
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DABT
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一锅法
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地址
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西安近代化学研究所, 陕西, 西安, 710065
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1007-7812 |
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学科
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武器工业;化学工业 |
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基金
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总装“十二五”预研项目
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文献收藏号
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CSCD:5557359
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