五种含能金属盐的合成及其性能研究

Synthesis and Properties of Five Energetic Metal Salts

以间苯二酚和3-羟基-2-硝基吡啶等为原料,通过硝化、氨化及成盐等反应得到5种含能金属盐。采用核磁、元素分析法对这些化合物的结构进行了表征;并通过X-单晶衍射仪获得了化合物4·4H_(2)O、化合物9·2H_(2)O和化合物10的晶体结构,晶体密度分别为1.900、1.808和2.008 g/cm^(3);利用差示扫描量热仪(DSC)和热重分析仪(TG),研究了这些化合物的热稳定性,并对其爆轰与安全性能也开展了研究。结果表明,五种含能金属盐热分解温度介于249~297℃之间,撞击感度介于9~33 J,其中具氨基的含能金属盐还具有较高的撞击感度值,分别大于或等于29 J;起爆测试结果显示这些含能金属盐均不能起爆RDX。

Five energetic metal salts are obtained from resorcinol and 3-hydroxy-2-nitropyridine by nitration,ammoniation and salification.The structures of these compounds are characterized by NMR and elemental analysis.The crystal structures of compound 4·4H_(2)O,compound 9·2H_(2)O and compound 10 are obtained by X-ray single crystal diffractometer.The crystal densities are 1.900,1.808 and 2.008 g/cm^(3),respectively.The thermal stabilities of these compounds are studied by differential scanning calorimetry(DSC)and thermogravimetry(TG),and their detonations and safety properties are also studied.The results show that the thermal decomposition temperatures of the five energetic metal salts are between 249℃and 297℃,and the impact sensitivity is between 9 J and 33 J.The energetic metal salts with amino groups also have higher impact sensitivity values,which are greater than or equal to 29 J,respectively.The detonation test results show that none of these energetic metal salts can detonate RDX.