CL-20 analogues: Structure - Thermal stability/decomposition mechanism relationships
March 2024
The thermal decomposition of a number of analogues of hexanitrohexaazaisowurtzitan (CL-20), in where one or more N-nitro groups have been replaced by another explosophoric unit (diverse N-alkylnitramine...
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N-Acetonitrile functionalized 3-nitrotriazole: Precursor to nitrogen rich stable and insensitive energetic materials
March 2024
In the field of energetic materials, prime attention has been given to the synthesis of environmentally compatible energetic materials having an adequate balance between energy and stability. For this...
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Dual control over the reignition and combustion performance of hydroxylammonium nitrate-based gel propellants
Available online 31 March 2024
Hydroxylammonium nitrate (HAN; NH3OH + NO3−), a green and non-toxic monopropellant, finds wide application in liquid and controllable solid propulsion. Gel propulsion enjoys advantages such as a high...
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Interactions between a neutral polymeric bonding agent and nitramine explosives and their influencing factors
Available online 11 March 2024
Neutral polymer bonding agents (NPBAs) have proven highly effective in enhancing the interfacial bonding between the bonding matrix and nitramine explosives such as cyclic trimethylene trinitramine...
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Effects of the crystallinity of fluoropolymer binders components in polymer-bonded explosives on shock Hugoniots: A computational study
Available online 8 March 2024
Fluoropolymers play a crucial role as binders in polymer-bonded explosive (PBX) formulations. However, there is a lack of clear understanding of the effects of increased fluoropolymer crystallinity...
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A density functional theory investigation of the substituent effect on acyclovir and guanine derivatives for applications on energetic materials
Available online 23 February 2024
The main challenge in designing new energetic materials is to find a good balance between four seemingly incompatible requirements, namely, high-energy content, low sensitivity, low production costs...
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Packing coefficient determining the packing density difference of CHON-containing isomers
Available online 10 February 2024
Packing density is a basic property of substances and acts as one of important decisive factors of service performances. This work focuses upon the determining factors of packing density at the premise...
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A new sulfur-containing laser-sensitive primary explosive based on thiazole-4-carbohydrazide
Available online 9 February 2024
This study effectively synthesized thiazole-4-carbohydrazide (SZCA) and its ionic salt SZCA·HClO4 and energetic complex Cu(SZCA)2(ClO4)2 (ECC-1). The new compound SZCA, SZCA·HClO4 and ECC-1 were fully...
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Tensors of thermal deformation for various polymorphic modifications of 2,4-dinitroanisole
Available online 5 February 2024
The anisotropic characteristics of thermal deformation of ultrapure 2,4-dinitroanisole (2,4-DNAN) crystals were determined by the methods of powder thermorentgenography of the internal standard. The...
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Influence of nitroamino−nitroimino tautomerism: A useful theoretical supplement for nitroamino-based energetic materials
December 2023
Nitroamino is an ideal high-energy group for constructing energetic compounds. The skeletal isomerization of nitroamino to nitroimino forms intramolecular HBs, thus resulting in better density, thermal...
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Machine learning-based prediction and interpretation of decomposition temperatures of energetic materials
December 2023
Exploring the application of machine learning (ML) in energetic materials (EMs) has been a hot research topic. Accordingly, the prediction of the detonation properties of EMs using ML methods has attracted...
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Preparation of NCh-B and NCh-B-Ti nanocomposites and their ignition and combustion performances
December 2023
To overcome the agglomeration and insufficient combustion of nano-boron (n-B) powders, this study successfully prepared two novel types of boron-based nanocomposites using the acoustic resonance technology,...
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Synthesis and characterization of 2-amino-4,5-bis(tetrazol-5-yl)-1,2,3-triazole: A high-nitrogen energetic material with low sensitivities and high thermal stability
December 2023
In this study, a high-nitrogen insensitive energetic material, 2-amino-4,5-bis(tetrazole-5-yl)-1,2,3-triazole (H2ABTT), was successfully synthesized by introducing the N-amino group on the 1,2,3-triazole...
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December 2023
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Effects of Al powder on the reaction process and reactivity of B/KNO3 energetic sticks
December 2023
Boron/potassium nitrate (B/KNO3) is a type of critical energetic composite material (ECM). However, the inert oxide layer on the B surface of B/KNO3 hinders the contact between pure fuel and oxidant,...
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Synthesis, characterization, and thermal decomposition performance of 1,2,3-triazolyl-substituted 1,3,5-triazines with carbonyl, ester, and azide functional groups
December 2023
Based on the organocatalytic reaction of enamine azide addition of 2,4,6-triazido-1,3,5-triazine to acetylacetone acetoacetic ester, we synthesized a series of previously unknown mono-, di-, and tri(1,2,3-triazolyl)-substituted-1,3,5-triazines...
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Features of the mechanism of pasty propellants burning
Available online 13 October 2023
The composition of a pasty propellant for small-sized space engines has been proposed. For this propellant, a research of the burning process was carried out. This research included the determination...
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Structure-activity relationship analysis and molecular structure construction of fused tricyclic energetic molecules containing flexible ring
September 2023
A simple, mild and efficient method was proposed to construct fused tricyclic skeletons based on Mannich reaction. This work not only develops a new method to construct the tricyclic skeletons effectively,...
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Polymeric nitrogen: A review of experimental synthesis method, structure properties and lattice dynamic characterization from large scientific facilities and extreme spectroscopy perspectives
September 2023
Single-bonded polymeric nitrogen (PN) synthesized under high pressure was highly delivered for its valuable application prospects on high-energy-density materials (HEDM) and profound effects for understanding...
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Deuterated energetic materials: Syntheses, structures, and properties
September 2023
The deuteration of energetic materials contributes to high signal-to-noise ratios (SNRs) in neutron diffraction, thus allowing the structures of energetic materials to be effectively investigated. This...
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A review of small angle scattering, neutron reflection, and neutron diffraction techniques for microstructural characterization of polymer-bonded explosives
September 2023
To better understand the structure-activity relationship and enhance the overall performance of polymer-bonded explosives (PBXs), the neutron and X-ray scattering techniques, which utilize neutron or...
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