Title thioureas have been synthesized by reaction of substituted phenylamines with 1,4- or 1,3-benzenedicarbonyl chloride and ammonium thiocyanate by solid-liquid phase transfer catalysis using polyethylene glycol-400...Title thioureas have been synthesized by reaction of substituted phenylamines with 1,4- or 1,3-benzenedicarbonyl chloride and ammonium thiocyanate by solid-liquid phase transfer catalysis using polyethylene glycol-400(PEG-400) as a catalyst in yield of 80%~96%. The compounds were characterized and identified by elemental analysis, IR and 1H NMR.展开更多
The thermal decomposition process of benzoyl peroxide was investigated by Accelerating Rate Calorimeter.The curves of thermal decomposition temperature and pressure versus time for the systems were obtained.The curves...The thermal decomposition process of benzoyl peroxide was investigated by Accelerating Rate Calorimeter.The curves of thermal decomposition temperature and pressure versus time for the systems were obtained.The curves of temperature rising-rate versus thermal decomposition temperature were also obtained.After the data revision disposal and analysis processing,thermal decomposition parameters and kinetic data of benzoyl peroxide were calculated,respectively.展开更多
文摘Title thioureas have been synthesized by reaction of substituted phenylamines with 1,4- or 1,3-benzenedicarbonyl chloride and ammonium thiocyanate by solid-liquid phase transfer catalysis using polyethylene glycol-400(PEG-400) as a catalyst in yield of 80%~96%. The compounds were characterized and identified by elemental analysis, IR and 1H NMR.
文摘The thermal decomposition process of benzoyl peroxide was investigated by Accelerating Rate Calorimeter.The curves of thermal decomposition temperature and pressure versus time for the systems were obtained.The curves of temperature rising-rate versus thermal decomposition temperature were also obtained.After the data revision disposal and analysis processing,thermal decomposition parameters and kinetic data of benzoyl peroxide were calculated,respectively.