Study on Thermal Decomposition Kinetics of Hexanitrohexaazaisowurtzitane
Energetic Materials(2002)
Abstract
The thermal decomposition process of hexanitrohexaazaisowurtzitane (HNIW, CL 20) under the conditions of vacuum was investigated by using a highly sensitive Bourdon manometer. The relationship between the time ( τ ) corresponding to the reacted fraction 0.1% and the temperature ( T ) of the thermal decomposition of CL 20 in the temperature range 110~140 ℃ can be expressed by the following equation: lg τ =-24.330 0+9 971.76/ T . Therefore the formal kinetic parameters E a and A , and available life at 70 ℃ were obtained, indicating that CL 20 has good thermal stability at higher temperature.
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Key words
thermal decomposition kinetics,thermal decomposition
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