Citation: Feng Qi ZHAO, Hong Xu GAO, Rong Zu HU, Gui E LU, Jin Yong JIANG. A Study of Estimating the Safe Storage Life, Self-accelerating Decomposition Temperature and Critical Temperature of Thermal Explosion of Double-base Propellant Using Isothermal and Non-isothermal Decomposition Behaviours[J]. Chinese Chemical Letters, ;2006, 17(5): 667-670. shu

A Study of Estimating the Safe Storage Life, Self-accelerating Decomposition Temperature and Critical Temperature of Thermal Explosion of Double-base Propellant Using Isothermal and Non-isothermal Decomposition Behaviours

1.
Xi'an Modern Chemistry Research Institute, Xi'an 710065;
2.
Ordnance Engineering Institute, Shijiazhuang 050003

Received Date: 11 October 2005

Fund Project: We are grateful to the National Natural Science Foundation of China (No. 20573098).

A method of estimating the safe storage life (τ), self-accelerating decomposition temperature (T_SADT) and critical temperature of thermal explosion (T_b) of double-base propellant using isothermal and non-isothermal decomposition behaviours is presented. For double-base propellant composed of 56±1wt% of nitrocellulose (NC), 27±0.5wt% of nitroglycerine (NG), 8.15±0.15wt% of dinitrotoluene (DNT), 2.5±0.1wt% of methyl centralite, 5.0±0.15wt% of catalyst and 1.0±0.1wt% of other, the values of τ of 49.4 years at 40℃, of T_SADT of 151.35℃ and of T_b of 163.01℃ were obtained.
- Safe storage life,
- self-accelerating decomposition temperature,
- critical temperature of thermal explosion,
- double-base propellant,
- thermal accelerated aging test,
- DSC,
- kinetic parameters
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