中文摘要：

用TG-DTG/DTA方法研究了柚皮苷的热降解过程及热分析动力学.热重分析结果表明该物质的失重过程分两步进行.第一步为结晶水脱出,其温度范围为343～545K,第二步为其分子骨架大规模降解,其温度范围在545～857K.差热分析结果表明,该物质的熔化温度为439.2K.使用Friedman和Ozawa-Flynn-Wall两种方法分别计算出该物质降解过程的活化能.采用多步线性回归方法,并参考常用的15种热解机理函数,确定了柚皮苷热解过程最佳动力学模型为Fn-F2-F1.

英文摘要：

Thermal decomposition of naringin was studied by TG-DTG/DTA.The TG-DTG curve showed the process of mass loss of the substance proceeded in two steps.The first step could be attributed to the expulsion of water of crystallization in the temperature range of 343～545 K.The second step was corresponding to the large scale degradation of naringin in the temperature range 545～857 K.The activation energy E of the thermal degradation process was obtained by Friedman method and Ozawa-Flynn-Wall method.According to 15 mechanism functions,the possible kinetic model was estimated to be Fn-F2-F1 through the multiple linear regression method.