含能材料Issue(6)：758-761,4.DOI:10.11943/j.issn.1006-9941.2014.06.009
Mn3O4微球的制备及其对高氯酸铵热分解的催化作用
Preparation of Mn3 O4 Microspheres and Their Catalytic Effects upon Thermal Decomposition of Ammonium Perchlorate
摘要
Abstract
Mn3 O4 microspheres were successfully prepared by a solvothermal method using manganese( II)acetate tetrahydrate and anhydrous ethanol as raw materials. The effects of reaction temperature and reaction time on experimental results were investi-gated and discussed. The optimum conditions of reaction at 160 ℃ for 4 h were obtained. The composition and morphology of Mn3O4 microspheres were characterized by X-ray diffractometer(XRD),field emission scanning electron microscope(FESEM) and transmission electron microscope( TEM). The effect of Mn3 O4 microspheres on the thermal decomposition of ammonium per-chlorate( AP)was investigated by differential scanning calorimeter( DSC). Results show that Mn3 O4 microspheres are an aggre-gation of ultrafine Mn3 O4 particle with high crystallinity and a size of 4-10 nm. In comparison with pure AP,the decomposition peak temperature of AP in Mn3 O4 microspheres/AP mixture shifts by 160. 1 ℃ downwards,and appears at 297. 1 ℃,indicating that Mn3 O4 microspheres have a significant catalytic effect on thermal decomposition of AP.关键词
物理化学/Mn3O4微球/高氯酸铵(AP)/催化效应Key words
physical chemistry/Mn3 O4 microspheres/ammonium perchlorate( AP)/catalytic effect分类
军事科技引用本文复制引用
李露明,李兆乾,马拥军,裴重华..Mn3O4微球的制备及其对高氯酸铵热分解的催化作用[J].含能材料,2014,(6):758-761,4.基金项目
四川省非金属复合与功能材料重点实验室开放基金 （）
