The hydrolytic polymerization of Cr 3+ was studied by microcalorimetry. The Thermal curve was determined According to thermokinetic theory, the Gibbs free energy and equilibrium constant of activation were calculated. 对较高浓度下3价铬离子水解聚合作用的热谱曲线进行热动力学分析,用特征热谱参量,求出了这一连串反应的速率常数和活化平衡常数及活化自由能。
Abstract A classical concept of a metastable state is a local free energy minimum that may ultimately relax to the stable equilibrium state of a global free energy minimum via an activation process. 在经典概念中,亚稳态相应于一个局部的自由能极小值,它最终会通过一个活化过程弛豫到稳定的平衡态,一个整体上的自由能极小值。
The heat decomposition of the resin was studied using TG, and its thermo parameters such as activation energy Ea, pre-exponential factor A, entropy of activation S~, free energy of activation G, enthalpy of activation H were determined. 利用热重法对该树脂的热分解动力学过程进行研究,并计算了热分解动力学参数:活化能Ea,指前因子A,反应熵S,反应自由能G,反应焓H。