Kinetics and Mechanism of the Exothermic First-stage Decomposition Reaction for 1,5-Dimethy1-2,6-bis ( 2,2,2-trinitroethyl)-glycoluril

• 来源期刊: 中国化学（英文版）
• 年，卷（期）: 2002,（12）
• 页码范围: 1494-1498
• 页数: 5页
• 语种: 英文

摘要

The thermal behavior, mechanism and kinetic parameters of the exothermic first- stage decomposition reaction of the title compound in a temperature-programmed mode have been investigated by means of DSC, TG-DTG and IR. The reaction mechanism was proposed. The enpirical kinetic model functions in differential form, apparent activation energy (Ea) and pre-exponential factor (A) of this reaction are (1 - α) -1.119,211.3 kJ/mol and 1020.2 s-1, respectively. The critical temperature of thermal explosion of the compound is 202.2 ℃. Tne values of △S≠, △H≠ and △G≠ of this reaction are 143.8 J.mol-1 .K-1, 208.7 kJ/mol and 141.7 kJ/mol, respectively.