A new crystal form of Hx2TNBI·2H2O through solvent-induced crystallization
Available online 1 April 2024
Polymorphism is universal in energetic materials (EMs), which is originated from the differences of molecular conformers and stacking mode. The polymorphic transition may lead to the change of crystal...
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Azo-linked four-heterocyclic energetic molecule and its complexes: Exploring the important influence of conjugated planar structure on their crystal arrangement and stability
March 2024
Using two routes, this study designed and synthesized a novel azo-linked four-heterocyclic compound, 1,2-bis(5-(1H-tetrazol-5-yl)-4H-1,2,4-triazol-3-yl) diazene (3, H4BTTD), with high yields. It corroborated...
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3,7-Dinitroimidazo[1,2-b]pyridazine-6,8-diamine: A promising building block for advanced heat-resistant and low-sensitivity energetic materials
March 2024
Constructing heat-resistant fused heterocyclic compounds is increasingly fascinating in the field of energetic materials due to their excellent energy, high thermal stability, and low sensitivity, as...
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Auto-ignition of ionic liquid fuels with hydrogen peroxide triggered by copper-containing liquid promoter
March 2024
Research into next-generation propellants with green fuel–oxidizer pairs to replace the currently used highly toxic hydrazine–N2O4 system has attracted widespread attention. Ionic liquids (ILs) and...
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Ferrocene-fullerene dyad as a novel burn rate modifier for propellants
March 2024
The burn rate of composite rocket propellants serves as a critical ballistic parameter in the construction of a rocket engine. Due to their large surface areas, carbon-based materials such as carbon...
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Stabilizer selection and formulation strategies for enhanced stability of single base nitrocellulose propellants: A review
March 2024
Stabilizers play a crucial role in preventing undesirable decomposition and degradation reactions of propellants, thus ensuring their long-term performance and safe storage. This review highlights recent...
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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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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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March 2024
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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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Bio-inspired design of PTFE/B energetic materials with high reactivity and flexibility
Available online 30 March 2024
Although new-type energetic materials have been investigated extensively, there is a challenge on how to integrate energy density and mechanical properties of energetic materials simultaneously. Herein,...
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Structural evolvement of 1-methyl-3,4,5-trinitropyrazole at high pressure
Available online 16 March 2024
Explosives, a type of energetic material (EM), face a high-pressure environment in the detonation process or under shock conditions. Determining their high-pressure behavior is critical to their explosion...
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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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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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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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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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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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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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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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December 2023
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