Preparation and Thermal Decomposition Behavior of Energetic Functionalized Graphene Oxide and Its Catalytic Effect on the Thermal Decomposition of AP

被引：0

作者：

Cheng J. ^{[1
]}

Shen X.-Y. ^{[1
]}

Wang R. ^{[1
]}

Zhang R.-X. ^{[2
]}

Liu Z.-L. ^{[3
]}

Hao Y.-G. ^{[4
]}

Su H.-P. ^{[4
]}

机构：

[1] Department of Safety Science and Engineering, Zhejiang University of Technology, Hangzhou

[2] School of Chemistry & Chemical Engineering, Jiangsu University, Zhenjiang, 212013, Jiangsu

[3] School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing

[4] Research Institute of Gansu Yinguang Chemical Industry Group Co., Ltd., Baiyin, 730900, Gansu

来源：

Huozhayao Xuebao/Chinese Journal of Explosives and Propellants | 2020年 / 43卷 / 02期

关键词：

2; 4; 6-trinitroaniline; Ammonium perchlorate; Catalytic effect; Energetic functionalized; Graphene oxide (GO); Metal free energetic catalyst; Physical chemistry;

D O I：

10.14077/j.issn.1007-7812.201909010

中图分类号：

学科分类号：

摘要：

In order to improve the catalytic activity of graphene oxide (GO) on the thermal decomposition of ammonium perchlorate (AP), a novel energetic functionalized graphene oxide (EFGO) was prepared by GO and 2, 4, 6-trinitroaniline (TNA) as raw materials, N, N-dimethylformamide and triethylamine as the solvent and acid binding agent. Its structure was characterized by HRTEM, Raman, FT-IR and XPS. The thermal decomposition behavior of EFGO and its catalytic effect on the thermal decomposition of AP were analyzed and investieated by TG-DTG and DSC. The results showed that TNA was grafted to the surface of the GO sheet by covalent bond. The-NH2 in the TNA molecule reacted with the epoxy group on the surface of the GO sheet to form a C-NH bond. EFGO had high thermal stability, and a very slow mass loss process occurred in the range of 143.8-770.0℃. The maximum mass loss rate occurred at about 172.1℃ and the whole mass loss was 21.2%. When the contents of EFGO in AP mixtures were 2.5%, 5% and 10% respectively, the exothermic peak temperatures of AP in the high temperature decomposition stage decrease by 25.6, 48.0 and 113.1℃, the overall heat of AP increase by 371, 1499 and 2693J/g, respectively. It indicated that EFGO has a better catalytic effect on the thermal decomposition of AP compared to GO, and it has a potential application as a metal free energetic catalyst in the AP-based solid propellants. © 2020, Editorial Board of Journal of Explosives & Propellants. All right reserved.

引用

页码：180 / 187

页数：7

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