Thermal stability of tert-butyl peroxypivalate
article
The thermal stability of tert-butyl peroxypivalate (TBPP) has been investigated in relation to peroxide-diluent compositions in the range 100-10% by weight of peroxide. TBPP was selected because the simple decomposition pattern of the pure product facilitates an interpretation of the concentration dependence. Differential thermal analyses, isothermal and adiabatic storage tests have been used analysis of the decomposition. From the experimental results it is found that the total heat of decomposition is proportional to the peroxide concentration, the activation energy is independent of concentration, and the reaction order varies slightly with concentration. The type of diluent influences the reaction rate. The results are applicable in the 290-360 K temperature range. For the determination of decomposition characteristics, a modified first order equation which takes into account the fraction of diluent can bew used for TBPP-diluent compositions.
TNO Identifier
229059
ISSN
0040-6031
Source
Thermochimica Acta, 43(1), pp. 75-90.
Pages
75-90
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