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含能材料  2014 

四水合1,1′-二羟基-5,5′-联四唑钠盐的合成、晶体结构及性能

DOI: 10.3969/j.issn.1006-9941.2014.04.007

Keywords: 应用化学,四水合1,1′-二羟基-5,5′-联四唑钠盐(SBTD·4H2O),热分解,晶体结构,感度

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Abstract:

以二氯乙二肟为起始原料,通过一锅法合成了四水合1,1′-二羟基-5,5′-联四唑钠盐(SBTD·4H2O),并用红外、元素分析、扫描电子显微镜对其进行了表征,测试了目标化合物的单晶结构,结果表明其属于三斜晶系,P-1空间群,晶胞参数为a=5.6440(11),b=6.4476(17),c=8.303(11),α=100.131(5)°,β=96.789(3)°,γ=112.157(3)°,V=1,Dc=1.761g·cm-3,F(000)=146,μ(MoKα)=0.227mm-1。采用热重-差示扫描量热联用(TG-DSC)对其进行了热行为分析,在加热速率为10K·min-1的条件下,该化合物从83.9℃开始失去结晶水,368.1℃开始分解,分解峰值温度为398.6℃,热稳定性良好。依据GJB772A-1997对SBTD·4H2O的感度进行了测试,撞击感度H50>100cm,摩擦感度为0%,这表明其对机械撞击和摩擦不敏感。

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