Thermodynamics and Kinetics of Curing Reaction Between Azide Binder ATP and Bispropargyl Succinate

Na Li*, Fengqi Zhao, Ting An, Yanjing Yang, Hui Li, Jiankan Zhang, Ming Zhang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


The thermodynamics and kinetics of the curing reactions between azide binder ATP and bispropargyl succinate (BPS) were studied by using a microcalorimeter. On the basis of experimental and calculated results, three thermodynamic parameters (i. e., the activation enthalpies, the activation entropies, the activation free energies), the rate constant, three kinetic parameters (i. e., the activation energies, the pre-exponential constant and the reaction order) and the enthalpies of the curing reactions between ATP and BPS in the temperature range of 323.15–338.15 K were obtained, showing that the main reaction leading to a triazole structure easily took place in the studied temperature. The linear relationship between lnk and the molar ratio of triple bonds to azide groups was found. Furthermore, the corresponding kinetic equation describing the curing reaction between ATP and BPS was dα/dt=10−4.12(1-α)1.01 at 333.15 K.

Original languageEnglish
Pages (from-to)974-980
Number of pages7
JournalPropellants, Explosives, Pyrotechnics
Issue number6
StatePublished - 1 Jun 2020
Externally publishedYes


  • Azide binder ATP
  • Bispropargyl succinate (BPS)
  • Curing
  • Kinetics
  • Microcalorimeter
  • Thermodynamics


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