采用共沉淀法制备了SnO2-CuO纳米复合粉体.用热重法(TG)、X射线衍射仪(XRD)、透射电镜(TEM)和能谱(EDS)对样品的物相、形貌、粒径和组成进行了表征,用DSC考察了纳米SnO2-CuO对黑索今(RDX)热分解的催化作用.结果表明,400～600℃煅烧产物的平均粒径为4～10 nm.纳米SnO2-CuO对RDX热分解有明显的催化效果,它使RDX的分解峰温降低了9℃,分解热增加了422 J/g.
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