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RISS 인기검색어
- 검색키워드
- 저자 : Yongshun Chen (검색결과 2 건)
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Syntheses and Thermal Behaviors of Rb(FOX-7)·H<sub>2</sub>O and Cs(FOX-7)·H<sub>2</sub>O
Luo, Jinan,Xu, Kangzhen,Wang, Min,Song, Jirong,Ren, Xiaolei,Chen, Yongshun,Zhao, Fengqi Korean Chemical Society 2010 Bulletin of the Korean Chemical Society Vol.31 No.10
Two new energetic organic alkali metal salts, 1,1-diamino-2,2-dinitroethylene rubidium salt [Rb(FOX-7)${\cdot}H_2O$] and 1,1-diamino-2,2-dinitroethylene cesium salt [Cs(FOX-7)${\cdot}H_2O$], were synthesized by reacting of 1,1-diamino-2,2-dinitroethylene (FOX-7) and rubidium chloride or cesium chloride in alkali methanol aqueous solution, respectively. The thermal behaviors of Rb(FOX-7)${\cdot}H_2O$ and Cs(FOX-7)${\cdot}H_2O$ were studied with DSC and TG methods. The critical temperatures of thermal explosion of the two compounds are 216.22 and $223.73^{\circ}C$, respectively. Specific heat capacities of the two compounds were determined with a micro-DSC method, and the molar heat capacities are 217.46 and $199.47\;J\;mol^{-1}\;K^{-1}$ at 298.15 K, respectively. The adiabatic times-to-explosion were also calculated to be a certain value of 5.81 - 6.36 s for Rb(FOX-7)${\cdot}H_2O$, and 9.92 - 10.54 s for Cs(FOX-7)${\cdot}H_2O$. After FOX-7 becoming alkali metal salts, thermal decomposition temperatures of the compounds heighten with the rise of element period, but thermal decomposition processes become intense.
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Syntheses and Thermal Behaviors of Rb(FOX-7)·H2O and Cs(FOX-7)·H2O
Jinan Luo,Kangzhen Xu,Min Wang,Jirong Song,Xiaolei Ren,Yongshun Chen,Fengqi Zhao 대한화학회 2010 Bulletin of the Korean Chemical Society Vol.31 No.10
Two new energetic organic alkali metal salts, 1,1-diamino-2,2-dinitroethylene rubidium salt [Rb(FOX-7)·H2O] and 1,1-diamino-2,2-dinitroethylene cesium salt [Cs(FOX-7)·H2O], were synthesized by reacting of 1,1-diamino-2,2-dinitroethylene (FOX-7) and rubidium chloride or cesium chloride in alkali methanol aqueous solution, respectively. The thermal behaviors of Rb(FOX-7)·H2O and Cs(FOX-7)·H2O were studied with DSC and TG methods. The critical temperatures of thermal explosion of the two compounds are 216.22 and 223.73 oC, respectively. Specific heat capacities of the two compounds were determined with a micro-DSC method, and the molar heat capacities are 217.46 and 199.47 J mol‒1K‒1 at 298.15 K, respectively. The adiabatic times-to-explosion were also calculated to be a certain value of 5.81 - 6.36s for Rb(FOX-7)·H2O, and 9.92 - 10.54 s for Cs(FOX-7)·H2O. After FOX-7 becoming alkali metal salts, thermal decomposition temperatures of the compounds heighten with the rise of element period, but thermal decomposition processes become intense.
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