title: Effects of Bi-NTO complex on thermal behaviors, nonisothermal reaction kinetics and burning rates of NG/TEGDN/NC propellant.
abstract: A bismuth 3-nitro-1,2,4-triazol-5-one (Bi-NTO) complex was prepared and characterized, and its effects on the thermal behaviors, non-isothermal decomposition reaction kinetics, and burning rates of the double-base (DB) propellant containing the mixed ester of triethyleneglycol dinitrate (TEGDN) and nitroglycerin (NG) with Bi-NTO complex as a ballistic modifier were investigated by thermogravimetry and derivative thermogravimetry (TG-DTG), and differential scanning calorimetry (DSC). The results show that Bi-NTO complex can increase the decomposition heat by 140 J g(-1), and it can change the decomposition reaction mechanism function, the kinetic parameters and kinetic equation of the propellant under 0.1 MPa. Combustion experiment shows that Bi-NTO complex can increase the burning rate and reduce the pressure exponent of the NG/TEGDN/NC propellant effectively, with the increase of the catalysis efficiency by 40%.
authors: Xi'an Modern Chemistry Research Institute, Xi'an, Shaanxi 710065, PR China.
authors: Jian-Hua
authors: JH
authors: Yi
authors: Feng-Qi
authors: FQ
authors: Zhao
authors: Wei-Liang
authors: WL
authors: Hong
authors: Si-Yu
authors: SY
authors: Xu
authors: Rong-Zu
authors: RZ
authors: Hu
authors: Zhi-Qun
authors: ZQ
authors: Chen
authors: La-Ying
authors: LY
authors: Zhang
mesh_terms: D001729:Bismuth; D002152:Calorimetry, Differential Scanning; D017745:Incineration; D007700:Kinetics; D009566:Nitrates / Q000737:chemistry; D009574:Nitro Compounds / Q000737:chemistry*; D005996:Nitroglycerin / Q000737:chemistry; D013696:Temperature; D013816:Thermodynamics; D013818:Thermogravimetry; D014230:Triazoles / Q000737:chemistry*
chemical_list: C505897:3-nitro-1,2,4-triazol-5-one; D009566:Nitrates; D009574:Nitro Compounds; D014230:Triazoles; D005996:Nitroglycerin; D001729:Bismuth