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| 纳米CuO的批量制备及其对高氯酸铵热分解性能的影响研究 |
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郝嘎子1,刘 杰1,高 寒1,肖 磊1,姜 炜1,李凤生2,赵凤起2,高红旭2
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(1. 南京理工大学 化工学院/国家特种超细粉体工程技术研究中心，江苏 南京 210094;2. 西安近代化学研究所 燃烧与爆炸技术重点实验室，陕西 西安 710065)
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| 摘要: |
| 采用HLG-5型纳米化粉碎机批量制备了纳米CuO。通过X射线衍射仪(XRD)、扫描电子显微镜(SEM)、透射电子显微镜(TEM)对CuO颗粒的结构、大小及形貌进行了表征，并采用差示扫描量热仪(DSC)分别研究了纳米CuO的含量为1%，1.5%，2%，2.5%，4%对不同粒度AP的热分解性能的影响。结果表明，制备的CuO颗粒大小约为17nm，为单斜晶系，呈类球形。2%含量的纳米CuO对AP具有更好的催化性能，可使64μm，6μm，1μm AP的高温分解峰分别降低83.0℃，81℃，55.4℃；表观分解热分别增加880J/g，617J/g，391J/g；反应速度常数提高数倍。 |
| 关键词: 纳米CuO 热分解 催化效果 固体火箭推进剂 |
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| 基金项目:基础产品创新技术火炸药科研专项，国家自然科学基金(51206081)。 |
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| Batch Production of Nano-Sized CuO and Its Catalytic Effects on Thermal Decomposition of Ammonium Perchlorate |
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HAO Ga-zi1,LIU Jie1,GAO Han1,XIAO Lei1,JIANG Wei1,LI Feng-sheng2,ZHAO Feng-qi2,GAO Hong-xu2
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(1. National Special Superfine Powder Engineering Research Center of China/School of Chemical Engineering，Nanjing University of Science and Technology，Nanjing 210094，China;2. Science and Technology on Combustion and Explosion Laboratory，Xi’an Modern Chemistry Research Institude，Xi’an 710065，China)
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| Abstract: |
| Nano-CuO have been successfully prepared in large-scale using the HLG-5 grinder. The microstructure，size and morphology of CuO particles were characterized by X-ray diffraction (XRD)，scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The catalytic effects of nano-CuO with mass fraction of 1%，1.5%，2%，2.5% and 4%，respectively，on thermal decomposition of AP with different size were investigated by DSC. The results show that nano-CuO could be indexed as pure monoclinic and have a semi-spherical morphology with a fairly uniform size of 17nm. Furthermore，the nano-CuO have the optimal catalytic effect at a mass fraction of 2%，and the peak values of high temperature decomposition of 64μm，6μm，and 1μm AP decreased by 83.0℃，81℃ and 55.4℃，respectively. The apparent thermal decomposition of 64μm，6μm，and 1μm AP increased by 880J/g，617J/g and 391J/g，respectively，and the reaction rate constant of AP also increased by several times. |
| Key words: Nano-CuO Thermal decomposition Catalytic effects Solid rocket propellants |
