The thermal behavior and non-isothermal decomposition kinetics of [Cu(en)2H2O](FOX-7)2·H2O (en=ethylenediamine) were studied with DSC and TG-DTG methods.The kinetic equation of the exothermal process is dα...The thermal behavior and non-isothermal decomposition kinetics of [Cu(en)2H2O](FOX-7)2·H2O (en=ethylenediamine) were studied with DSC and TG-DTG methods.The kinetic equation of the exothermal process is dα/dt=(10^17.92/β)4α^3/4exp(-1.688×10^5/RT).The self-accelerating decomposition temperature and critical temperature of the thermal explosion are 163.3 and 174.8 ℃,respectively.The specific heat capacity of [Cu(en)2H2O](FOX-7)2·H2O was determined with a micro-DSC method,with a molar heat capacity of 661.6 J·mol^-1·K^-1 at 25 ℃.Adiabatic time-to-explosion was also estimated as 23.2 s.[Cu(en)2H2O](FOX-7)2·H2O is less sensitive.展开更多
基金Supported by the National Natural Science Foundation of China(Nos. 21241003, 20803058), the Science and Technology Research and Development Program of Shaanxi Province, China(No.2013K02-25) and the Education Committee Foundation of Shaanxi Province, China(No.2013JK0697).
文摘The thermal behavior and non-isothermal decomposition kinetics of [Cu(en)2H2O](FOX-7)2·H2O (en=ethylenediamine) were studied with DSC and TG-DTG methods.The kinetic equation of the exothermal process is dα/dt=(10^17.92/β)4α^3/4exp(-1.688×10^5/RT).The self-accelerating decomposition temperature and critical temperature of the thermal explosion are 163.3 and 174.8 ℃,respectively.The specific heat capacity of [Cu(en)2H2O](FOX-7)2·H2O was determined with a micro-DSC method,with a molar heat capacity of 661.6 J·mol^-1·K^-1 at 25 ℃.Adiabatic time-to-explosion was also estimated as 23.2 s.[Cu(en)2H2O](FOX-7)2·H2O is less sensitive.