NTO铅铜衍生物对AP-CMDB推进剂燃烧性能和热分解的影响

研究了3-硝基-1,2,4-三唑-5-酮(NTO)的铅盐、铜盐和铜正盐对AP-CMDB推进剂燃烧性能和热分解特性的影响。结果表明,NTO铅铜衍生物均可促进AP-CMDB推进剂中双基粘合剂体系NC/NG的受热分解,使AP-CMDB推进剂较低压强(1～7MPa)下的燃速提高,较高压强(10～20MPa)下的燃速降低,并使推进剂的燃速压强指数降低。NTO铜正盐可同时促进AP-CMDB推进剂中粘合剂体系NC/NG和氧化剂AP的热分解,对该推进剂燃烧性能的催化效果最佳。

Influence of Lead (Ⅱ) and Copper (Ⅱ) Salts of NTO on the Combustion Characteristics and Thermal Decomposition of AP-CMDB Propellant

The influence of bis(3-nitro-1,2,4-triazole-5-onato) lead(II) (Pb(NTO)2), tetraaquo-bis(3- nitro-1,2,4-triazole-5-onato) copper(II) (Cu(NTO)2) and tetraaquo-3-nitro-1,2,4-triazolato -5-onato copper(II) (Cu(NTO)) on the combustion characteristics and the thermal behavior of AP-CMDB propellants were experimentally studied. The results show that the thermal decomposition of NC and NG for the AP-CMDB propellants are affecteded obviously by the lead and copper salts of NTO, and the pressure exponents of the AP-CMDB propellants decreases obviously with the increase in burning rates of the propellants in the pressure range of 1~7 MPa and the decrease in the pressure range of 10~20 MPa. It is also found that Cu(NTO) has great effect on the combustion characteristics of the AP-CMDB propellant because the decompositions of both NC/NG and AP of the propellant are obviously promoted by Cu(NTO).