In order to explore the thermal hazard of butanone oxime hydrochloride,a series of basic calorimetric experiments were carried out to study the thermodynamics.Differential scanning calorimetry was used to obtain the thermal decomposition reaction characteristics,and FWO(Flynn-Wall-Ozawa)method was used to perform kinetic calculations to solve the activation energy of MEKOH.Thermal mass loss data of MEKOH were obtained through thermogravimetric experiment to understand the mass change during heating.The calorimetric test in adiabatic environment was carried out by adiabatic accelerated calorimetry to master the exothermic characteristics of MEKOH.The results show that with the increase of heating rate,the initial decomposition temperature and decomposition peak temperature of MEKOH also increase.The average specific heat release is 749.01 kJ/kg,and the decomposition heat evaluation grade is grade 2,indicating that the heat of MEKOH decomposition is large and the potential explosion risk is high.The mass of MEKOH begins to decrease at about 30 ℃,and the mass loss curve tends to be gentle at about 150 ℃.There is no heat change in the first stage of MEKOH mass loss,and the second stage produces the phenomenon of decomposition and heat release.In the adiabatic test,MEKOH has only one exothermic stage,and the initial exothermic temperature is 107.6 ℃.
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