Sodium and Potassium 3,5-Dinitro-4-hydropyrazolate: Three-Dimensional Metal–Organic Frameworks as Promising Super-heat-resistant Explosives
Source abstract
Abstract
Heat-resistant explosives play an irreplaceable role in aerospace and deep well drilling applications. Sodium (1) and potassium (2) 3,5-dinitro-4-hydropyrazolate salts were prepared featuring three-dimensional energetic metal–organic frameworks (3D EMOFs). As comparative examples, sodium (3) and potassium (4) 3,5-dinitro-4-amino-pyrazolate salts were also prepared. Crystal structure analyses show that compared with 3 and 4, the shorter and more coordinating bonds of 1 and 2 give rise to densities up to 2.13 and 2.22 g cm–3, respectively, with their decomposition temperatures as high as 395 and 376 °C, respectively. In addition, sensitivity to mechanical stimulation and the detonation performance of 1–4 were also studied and compared. This super-thermal-stability suggests 1 and 2 as promising super-heat-resistant explosives.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Energetic Materials and Combustion · Thermal and Kinetic Analysis · Crystallography and molecular interactions
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Shenzhen, 518055, China
Research Centre of Flexible Printed Electronic Technology, Harbin Institute of Technology, Shenzhen, 518055, China
Department of Chemistry, University of Idaho, Moscow, Idaho 83844-2343, United States
Naval Research Laboratory, 4555 Overlook Avenue, Washington, D.C. 20375, United States
Funding
Office of Naval Research · Defense Threat Reduction Agency · Shenzhen Science and Technology Innovation Committee
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