摘要
以氯化铜、四氯化锡和碳纳米管为原料,采用浸渍法和液相化学沉积法相结合制得SnO2-Cu2O/CNTs复合催化剂,采用XRD、SEM、TEM、EDS等对催化剂进行表征,并用DSC研究催化剂对FOX-12热分解特性的影响。结果表明,纳米金属氧化物以5-10 nm的球形颗粒形态附着在碳纳米管表面,分散较均匀。催化剂使N-脒基脲二硝酰胺盐（FOX-12）的分解峰温降低,放热量增加,表面活化能降低,表现出良好的催化效果。当FOX-12与催化剂质量比5∶1混合时,FOX-12的分解峰温降低18.08℃,放热量增加148 J/g。
SnO2-Cu2O/CNTs composite catalyst was prepared by integrate infusioning method with liquid phase deposition method under normal temperature and normal pressure using copper chloride dihydrate,stannic tetrachloride pentahydrate,and carbon nanotubes as the reactant.The catalyst was characterized with XRD,SEM,TEM and EDS.The catalytic effects of catalyst on the thermal decomposition of FOX-12 were investigated by DSC.The test result showed that SnO2 and Cu2O nanoparticles were attached on carbon nanotubes throughout evenly in oval morphologies with 5-10nm in diameter.The catalyst can make the decomposition peak temperature of FOX-12 decrease,the decomposition enthalpy increase and the apparent activation energies decrease.When the mass ratio of FOX-12 with catalyst was 5∶1,catalyst made the thermal decomposition temperature of FOX-12 shift downward by 18.08℃ and the decomposition enthalpy increase by 148J/g.
出处
《火炸药学报》
EI
CAS
CSCD
北大核心
2011年第2期47-51,共5页
Chinese Journal of Explosives & Propellants
基金
国防重点实验室基金项目(9140C3503020605)
关键词
分析化学
复合催化剂
碳纳米管
二氧化锡
FOX-12
热分解
analytical chemistry
composite catalyst
carbon nanotubes
cuprous oxide
FOX-12
thermal decomposition
