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含能材料  2005 

纳米过渡金属粉对AP热分解的催化作用

Keywords: 物理化学,纳米材料,过渡金属,高氯酸铵,催化作用,热分解

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Abstract:

采用化学溶液还原法分别制备了一定晶型的纳米金属粉Ni、Cu、Co,研究了纳米过渡金属对AP热分解的影响。通过对纳米过渡金属粉与AP复合粒子的热分析测试发现:纳米Ni和Cu粉对AP热分解的催化作用随着其含量的增加而增加,并有使AP的高低温分解峰温重叠在一起的趋势;纳米Co粉在含量为5%左右(质量百分数)对AP最好的催化效果,使AP高低温热分解峰温重叠在288℃左右同时进行。研究发现,纳米过渡金属与AP的分解碎片NH3形成络合物的分裂能大小顺序与其催化AP热分解程度一致:Co>Cu>Ni。

References

[1]  陈新兵, 安忠维. 新颖的纳米镍催化芳基硼酸与芳基溴的偶联反应[J]. 化学通报,2002,(1): 36-40. CHEN Xin-bing,AN Zhong-wei. A novel crossing-coupling reaction of aryboronic acid and arybomide catalyzed by nanonickel[J]. Huaxue Tongbao,2002,(1): 36-40.
[2]  Wiloxn J P,Thuston T R,Martin J E. Application of metal and semiconductor nano-clusters as thermal and photo-catalysis [A]. Proceedings of Nanostructure Materials and Coatings \'95, Atlanta,Airport Marriott[C],Atlanta,Georgia,USA,1995.103-109.
[3]  Bircumshaw L L,Newman B H. The thermal decomposition of ammonium perchlorate (I): Introduction experimental analysis of gaseous products and thermal decomposition experiments[J]. Proc Roy Soc,1954,A227: 115-119.
[4]  Rosser W A,Inami S H. Thermal decomposition of ammonium perchlorate[J]. Combustion and Flame,1968,12(5): 427-435.
[5]  赵凤起,陈沛,杨栋,等. 纳米金属粉对RDX热分解特性的影响[J]. 南京理工大学学报,2001,25(4): 420-424.ZHAO Feng-qi,CHEN Pei,YANG Dong,et al. Effects of nanometer metal powders on thermal decomposition characteristics of RDX[J]. Journal of Nanjing University of Science and Technology,2001,25(4): 420-424.
[6]  徐宏,刘剑洪,蔡弘华,等. 纳米氧化铈的制备及其催化性能研究[J]. 深圳大学学报(理工版),2002,19(2): 13-16.XU Hong,LIU Jian-hong,CAI Hong-hua,et al. Synthesis of nanometer-sized cerium oxide and its effect on catalyzing decomposition of absorbent powder[J]. Journal of Shenzhen University (Sci.& Eng.),2002,19(2): 13-16.
[7]  Centeno M A. Catalytic combustion of volatile organic compounds on Au/CeO2/A12O3 and Au/A12O3 catalysts[J]. Applied Catalysis A: General,2002,234: 65-78.
[8]  Iamarino M,Chirone R,Lisi L. CuO/γ-A12O3 catalyst for the combustion of methane in a fluidized bed reactor[J]. Catalysis Today,2002,75: 317-324.
[9]  吴越. 催化化学[M]. 北京: 科学出版社,1995.
[10]  CHEN K Z. Catalytic activity of nano-NiCe/5A catalyst in gas-phase benzene hydrogenation[J]. Nanostructure Materials,1997,8(2): 201-208.
[11]  左东华,张志琨,崔作林. 纳米镍在硝基苯加氢中催化性能的研究[J]. 分子催化,1995,9(4): 298-302.ZUO Dong-hua,ZHANG Zhi-kun,CUI Zuo-lin. Catalytic properties of nanometer nickel ultrafine particles in nitrobenzene hydrogenation[J]. Journal of Molecular Catalysis,1995,9(4): 298-302.

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