Journal of Thermal Analysis and Calorimetry

, Volume 85, Issue 3, pp 617–622 | Cite as

Thermal risk evaluation of organic peroxide by automatic pressure tracking adiabatic calorimeter

  • Iwata Y. 
  • Momota M. 
  • Koseki H. 


An automatic pressure tracking adiabatic calorimeter (APTAC) has been developed to obtain the thermokinetic and vapor pressure data during runaway reactions. The heat onset temperature is important data for estimating the thermal hazardous materials. DTBP(di-tert-butyl peroxide)/toluene was chosen for evaluating the measurement values and the thermokinetic parameters. The relationships between the sample mass and the heat onset temperature in the addition to the maximum temperature were investigated to explain the heat of reaction measured by the APTAC. The apparatus properties and the reliability of the data obtained by the APTAC were examined on the basis of the experimental data.


automatic pressure tracking adiabatic calorimeter di-tert-butyl peroxide heat of reaction heat onset temperature thermal decomposition 


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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  1. 1.National Research Institute of Fire and DisasterTokyoJapan

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