[1]王慧中①,肖乐勤①,菅晓霞①,等.纳米金刚石负载Fe2O3的制备及其对高氯酸氨的热分解催化作用[J].爆破器材,2021,50(03):23-28.[doi:10.3969/j.issn.1001-8352.2021.03.005]
　WANG Huizhong,XIAO Leqin,JIAN Xiaoxia,et al.Preparation of Fe2O3/Nanodiamond Composite Particle and Its Catalytic Effect on Thermal Decomposition of Ammonium Perchlorate[J].EXPLOSIVE MATERIALS,2021,50(03):23-28.[doi:10.3969/j.issn.1001-8352.2021.03.005]
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纳米金刚石负载Fe2O3的制备及其对高氯酸氨的热分解催化作用()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
50
期数:
2021年03
页码:
23-28
栏目:
爆炸材料
出版日期:
2021-05-25

文章信息/Info

Title:
Preparation of Fe2O3/Nanodiamond Composite Particle and Its Catalytic Effect on Thermal Decomposition of Ammonium Perchlorate
文章编号:
5529
作者:
王慧中①; 肖乐勤①; 菅晓霞①; 潘琛②; 刘杰②; 周伟良①
①南京理工大学化工学院（江苏南京，210094）
②上海航天化工应用研究所（上海，200000）
Author(s):
WANG Huizhong①;  XIAO Leqin①;  JIAN Xiaoxia①;  PAN Chen②;  LIU Jie②;  ZHOU Weiliang①
① School of Chemical Engineering, Nanjing University of Science and Technology (Jiangsu Nanjing, 210094)
② Shanghai Aerospace Chemical Industry Application Research Institute (Shanghai, 200000)
关键词:
Fe2O3; 纳米金刚石(ND); 复合催化剂; 高氯酸铵; 热分解
Keywords:
Fe2O3;  ND;  composite catalyst;  ammonium perchlorate;  thermal decomposition
分类号:
TQ560; V512+.3
DOI:
10.3969/j.issn.1001-8352.2021.03.005
文献标志码:
A
摘要:
对纳米金刚石（ND）进行羧基化处理以提高其分散性，然后采用沉淀法制备了羧基化ND负载Fe2O3的催化剂。利用XRD、TG、BET和TEM对该负载型催化剂进行表征，通过DSC研究其对高氯酸铵(AP)热分解的催化作用。结果表明：ND经过羧基化处理后,在水中的分散性大幅度提高。沉淀法制备了直径5 nm、长50 nm的Fe2O3包裹或附着于ND的负载型复合催化剂，该催化剂对AP高温热分解的催化效果优于单一的Fe2O3或ND。当Fe2O3和ND的质量比为5∶1、在AP中添加质量分数2%的复合催化剂时，AP的高温分解峰温降低约30 ℃，ND负载Fe2O3催化剂具有一定的协同催化作用。
Abstract:
Nanodiamond was carboxylated to improve its dispersability. Then, the carboxylate nanodiamond catalyst supported by Fe2O3 was prepared by precipitation method. The load-type catalyst was characterized by XRD, TG, BET and TEM, and its catalytic effect on the thermal decomposition of ammonium perchlorate (AP) was studied by DSC. The results show that, after carboxylation, the dispersibility of nanodiamond in water increases significantly. The load-type catalyst, that Fe2O3 with a diameter of 5 nm and a length of 50 nm coats or attaches to nanodiamond, was prepared by precipitation method. Catalytic effect of the load-type catalyst prepared by precipitation method on the thermal decomposition of AP is better than that of single Fe2O3 or nanodiamond. When the mass ratio of Fe2O3 to nanodiamond is 5∶1 and the mass fraction of catalyst added in AP is 2%, the decomposition peak temperature of AP decreases by 30 ℃. Nanodiamond and Fe2O3 has a certain synergistic catalysis.

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备注/Memo

备注/Memo:
收稿日期：2020-09-16
第一作者：王慧中(1995－)，女，硕士研究生，主要从事纳米金刚石表面改性的研究。E-mail:610458827@qq.com
通信作者：周伟良(1963－)，男，研究员，主要从事含能材料研究。E-mail: wlzhou331@163.com
更新日期/Last Update: 2021-05-25