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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >A graphene oxide functionalized energetic coordination polymer possesses good thermostability, heat release and combustion catalytic performance for ammonium perchlorate
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A graphene oxide functionalized energetic coordination polymer possesses good thermostability, heat release and combustion catalytic performance for ammonium perchlorate

机译:石墨烯型官能化的能量配位聚合物具有良好的热稳定性,热释放和燃烧催化性能,用于高氯酸铵

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摘要

A new energetic coordination polymer (ECP) composite, namely GO-Cu(II)-AmTZ, has been synthesized by 3-amino-1,2,4-triazole (AmTZ) and multifunctional graphene oxide (GO) coordination with Cu(II) successively. The ECP composite was further characterized through SEM, EDS and XPS analysis as well as FTIR and Raman spectroscopy. It shows high thermostability, high decomposition heat release and insensitivity to mechanical stimuli. What's more, thermal analysis data for ammonium perchlorate (AP) have been obtained by mechanically mixing GO-Cu(II)-AmTZ and AP. The low-temperature decomposition (LTD, 335.3 degrees C) and high-temperature decomposition (HTD, 441.3 degrees C) peaks of AP were reduced to an exothermic peak at 298.4 degrees C at a heating rate of 10 degrees C min(-1). GO-Cu(II)-AmTZ exhibits outstanding catalytic performance by decreasing the activation energy from 168.7 kJ mol(-1) to 122.4 kJ mol(-1), indicating its promising application as a combustion catalyst for improving the thermal-catalytic decomposition performance of energetic materials largely. In addition, thermal analysis techniques including thermogravimetry coupled with mass spectrometry (TG/MS) and thermogravimetry coupled with infrared spectrometry (TG/IR) were employed to determine the decomposition mechanisms.
机译:通过3氨基-1,2,4-三唑(AMTZ)和多官能石墨烯(GO)协调(II)(II)(II)的三氨基-1,2,4-三唑(AMTZ)和多官能石墨烯(GO)协调(II )连续。通过SEM,EDS和XPS分析以及FTIR和拉曼光谱,ECP复合物进一步表征。它显示出高热稳定性,高分解热释放和对机械刺激的不敏感性。更重要的是,通过机械混合Go-Cu(II)-amTz和AP获得了高氯酸铵(AP)的热分析数据。将AP的低温分解(LTD,335.3℃)和高温分解(HTD,441.3摄氏度)以10摄氏度(-1)的加热速率在298.4℃下减少到放热峰值(-1) 。 Go-Cu(II)-amTz通过将活化能量从168.7 kJ摩尔(-1)降低至122.4kJ摩尔(-1),表现出优异的催化性能,表明其希望作为改善热催化分解性能的燃烧催化剂精力充沛的材料在很大程度上。另外,包括与质谱(Tg / ms)耦合的热重试剂和与红外光谱(Tg / IR)耦合的热重试剂的热分析技术被采用与红外光谱(Tg / IR)相结合来确定分解机制。

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