α-SiW_(11)Fe/甘氨酸超分子化合物的热分解动力学

Non-isothermal Kinetics of α-SiW_(11)Fe/Glycine Supramolecular Compound

采用TG-DTG技术研究了超分子化合物α-K2(HGly)3[SiW11Fe(H2O)O39].24H2O的非等温动力学。运用Coats-Redfern积分法和Achar微商法对非等温动力学数据进行了分析,得出了热分解反应的机理函数、动力学参数以及3步分解反应的活化能E和lnA。

Thermal decomposition kinetics of supermolecular compounds α-K2（HGly）3[SiW11Fe（H2O）O39]·24H2O was studied by TG-DTG technique.The non-isothermal kinetic data were analyzed with Coats-Redfern method and Achar method.The mechanism function,kinetic parameters,apparent activation energy E and pre-exponential factor lnA of the thermal decomposition were obtained.