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ISSN: 2666-6472

A density functional theory investigation of the substituent effect on acyclovir and guanine derivatives for applications on energetic materials

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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N-acetonitrile functionalized 3-nitrotriazole: Precursor to nitrogen rich stable and insensitive energetic materials

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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Stabilizer selection and formulation strategies for enhanced stability of single base nitrocellulose propellants: A review

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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Ferrocene-fullerene dyad as a novel burn rate modifier for propellants

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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Packing coefficient determining the packing density difference of CHON-containing isomers

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

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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Auto-ignition of ionic liquid fuels with hydrogen peroxide triggered by copper-containing liquid promoter

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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3,7-Dinitroimidazo[1,2-b]pyridazine-6,8-diamine: A promising building block for advanced heat-resistant and low-sensitivity energetic materials

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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Azo-linked four-heterocyclic energetic molecule and its complexes: Exploring the important influence of conjugated planar structure on their crystal arrangement and stability

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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Tensors of thermal deformation for various polymorphic modifications of 2,4-dinitroanisole

The anisotropic characteristics of thermal deformation of ultrapure 2,4-dinitroanisole (2,4DNAN) 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

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

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

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

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

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

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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Deprotonation-assisted electrochemical synthesis of copper nitrotriazole with excellent ignition performance

Electrochemical synthesis serves as a green and efficient method with great application potential. However, it has not been extensively applied in the synthesis of energetic materials. Nitrogen-rich...

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Preparing HNS/n-Al heat-resistant microspheres with enhanced combustion performance using droplet microfluidic technology

Reducing the formation of large carbon clusters during the combustion of energetic materials (EMs) and improving their comprehensive performance hold great significance. With fluororubber (F2604) as...

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Features of the mechanism of pasty propellants burning

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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A review of small angle scattering, neutron reflection, and neutron diffraction techniques for microstructural characterization of polymer-bonded explosives

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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An USAXS-SAXS study of nano-TATB under uniaxial die pressures

The microstructure of a compressed explosive solid is closely related to its shock sensitivity and mechanical properties. In this study, ultra-small-angle and small-angle X-ray scattering (USAXS and...

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Recent progress in research on the dynamic process of high-energy explosives through pump-probe experiments at high-intensity laser facilities

To accurately predict the detonation and safety performances of high-energy explosives, it is necessary to investigate their reaction mechanisms on different scales, which, however, presents a challenge...

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Achieving superior thermal conductivity in polymer bonded explosives using a preconstructed 3D graphene framework

When subjected to complicated thermal alternation, the low thermal conductivity (k) of polymerbonded explosives (PBXs) will induce high thermal stress, which will undermine the safety and reliability...

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Deuterated energetic materials: Syntheses, structures, and properties

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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