Issue 25, 2021

An efficient strontium-based combustion inhibitor of ammonium perchlorate with a 2D-MOF structure

Abstract

In this study, a new strontium 2D-MOF, {[Sr(AFCA)2(H2O)2]·2H2O}n (AFCA = 4-aminofurazan-3-carboxylic acid), was successfully prepared by slow evaporation at room temperature. Its structure was characterized by X-ray single-crystal diffractometry. DTA as an efficient thermal analysis method was used in this study to have a better understanding of the thermal decomposition of ammonium perchlorate (AP). The Kissinger and the Ozawa–Doyle methods were also applied to determine the apparent activation energy (E) and the pre-exponential factor (A) of AP thermal decomposition. After the addition of {[Sr(AFCA)2(H2O)2]·2H2O}n in AP, there is an increase of 85.97 °C in the LTD stage of AP thermal decomposition and an insignificant decrease of 24.32 °C in the HTD stage. With the help of the TG–DSC–DTG method, we analyse the catalytic mechanism of AP in the LTD stage in detail. {[Sr(AFCA)2(H2O)2]·2H2O}n can act as an efficient combustion inhibitor for AP thermal decomposition.

Graphical abstract: An efficient strontium-based combustion inhibitor of ammonium perchlorate with a 2D-MOF structure

Supplementary files

Article information

Article type
Paper
Submitted
24 Dec 2020
Accepted
27 Apr 2021
First published
21 May 2021

New J. Chem., 2021,45, 11068-11074

An efficient strontium-based combustion inhibitor of ammonium perchlorate with a 2D-MOF structure

Y. Huang, R. Peng and B. Jin, New J. Chem., 2021, 45, 11068 DOI: 10.1039/D0NJ06239A

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