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含能材料  2014 

几种常用燃速催化剂对P(BAMO/AMMO)含能粘合剂热分解性能的影响

DOI: 10.3969/j.issn.1006-9941.2014.05.012

Keywords: 分析化学,含能粘合剂,P(BAMO/AMMO),燃速催化剂,热分解

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Abstract:

用热重(TG)和差示扫描量热法(DSC)研究了CuO、Fe2O3、碳黑(CB)、PbCO3、Bi2O3、(NH4)2Cr2O7对P(BAMO/AMMO)含能粘合剂热分解性能的影响。结果表明:6种催化剂使P(BAMO/AMMO)粘合剂的起始分解温度向低温方向移动,叠氮基团放热分解反应提前,促进了粘合剂放热分解反应,升温速率10℃·min-1时,CB和PbCO3使粘合剂的起始分解温度分别向低温方向移动8.3℃和24.2℃。CuO、Fe2O3、PbCO3、(NH4)2Cr2O7使P(BAMO/AMMO)粘合剂中叠氮基团的表观分解热分别增加0.05,0.09,0.10,0.06kJ·g-1,而CB和Bi2O3使叠氮基团的表观分解热减小。

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