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Open AccessArticle

Gaseous Products Evolution Analyses for Catalytic Decomposition of AP by Graphene-Based Additives

1
Science and Technology on Combustion, Internal Flow and Thermostructure Laboratory, Northwestern Polytechnical University, Xi’an 710072, China
2
Science and Technology on Combustion and Explosion Laboratory, Xi’an Modern Chemistry Research Institute, Xi’an 710065, China
3
School of Astronautics, Northwestern Polytechnical University, Xi’an 710072, China
*
Authors to whom correspondence should be addressed.
Nanomaterials 2019, 9(5), 801; https://doi.org/10.3390/nano9050801
Received: 13 March 2019 / Revised: 16 May 2019 / Accepted: 17 May 2019 / Published: 24 May 2019
(This article belongs to the Special Issue Nanoenergetic Materials: Preparation, Properties, and Applications)
A quantitative evaluation method has been developed to study the effects of nanoadditives on thermal decomposition mechanisms of energetic compounds using the conventional thermogravimetry coupled with mass spectrometry (TG/MS) technique. The decomposition of ammonium perchlorate (AP) under the effect of several energetic catalysts has been investigated as a demonstration. In particular, these catalysts are transition metal (Cu2+, Co2+ and Ni2+) complexes of triaminoguanidine (TAG), using graphene oxide (GO) as dopant. They have been well-compared in terms of their catalytic effects on the concentration of the released gaseous products of AP. These detailed quantitative analyses of the gaseous products of AP provide a proof that the proton transfer between ∙O and O2 determines the catalytic decomposition pathways, which largely depend on the type of reactive centers of the catalysts. This quantitative method could be applied to evaluate the catalytic effects of any other additives on the thermal decomposition of various energetic compounds. View Full-Text
Keywords: thermolysis; energetic materials; GO-based catalysts; quantitative analyses; decomposition mechanisms thermolysis; energetic materials; GO-based catalysts; quantitative analyses; decomposition mechanisms
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MDPI and ACS Style

Chen, S.; An, T.; Gao, Y.; Lyu, J.-Y.; Tang, D.-Y.; Zhang, X.-X.; Zhao, F.; Yan, Q.-L. Gaseous Products Evolution Analyses for Catalytic Decomposition of AP by Graphene-Based Additives. Nanomaterials 2019, 9, 801.

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