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Thermal decomposition of tricyclohexylidene triperoxide

  • Nabí Ferrer
  • Eduard Serra
  • Rosa Nomen
  • Julià Sempere
Article
  • 86 Downloads

Abstract

The thermal decomposition of tricyclohexylidene triperoxide both pure and in 4% w/w solution of n-dodecane to yield mainly 16-hexadecanolide is studied applying the nonparametric kinetics method to a set of scanning calorimetry records. The apparent energies of activation obtained are 148.4 ± 0.8 and 90.9 ± 0.8 kJ mol−1, respectively. Combined kinetic models are proposed (first order + Šesták–Berggren) to describe the processes. The isothermal decomposition of the pure peroxide is studied, indicating that there is no appreciable reaction after 12 h at temperatures below 103 °C and that conversion is complete at temperatures over 137 °C.

Keywords

Kinetic analysis NPK Autocatalytic reactions DSC Tricyclohexylidene triperoxide Cyclic macrolactones 

List of symbols

A

Matrix of experimental data of \(\dot{\alpha }\) as a function of α and T s−1

\(f\)

Function of temperature [1]

\(g\)

Function of conversion or reaction model [1]

\(R\)

Gas constant J K−1 mol−1

\(T\)

Temperature °C or K

\(\varvec{u}\)

NPK vector for g(α) [1]

\(\varvec{v}\)

NPK vector for f(T) [1]

\(\alpha\)

Conversion [1]

β

Heating rate K min−1

Abbreviations

DSC

Differential scanning calorimetry

JMA

Johnson, Mehl and Avrami model

NPK

Nonparametric kinetics

RO

nth-order model (reaction order)

SB

Šesták and Berggren model

TCTP

Tricyclohexylidene triperoxide

Notes

Acknowledgements

One of the authors (N.F.) would acknowledge the economic support received from Medichem, S.A. Authors would give a special mention to Daibel de Armas, for supplying the raw material, and to Joaquim Martinez for its contribution.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2018

Authors and Affiliations

  1. 1.IQS School of EngineeringUniversitat Ramon LlullBarcelonaSpain

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