An influence of intra- and intermolecular hydrogen bonding on crystal structure stability and density: Dance of amino and nitro groups around the pyrazole ring
October 2026
Hydrogen bond plays an important role in chemistry and chemical technology. Plenty of works are related to investigation of weak, moderate and strong hydrogen bonds and their influence on the structure...
A novel five-coordinate Cu(II)-based primary explosive engineered by positional isomerism for laser ignition
October 2026
The development of green primary explosives that combine high energy with low sensitivity represents a central challenge in the field of energetic materials. This paper reports a novel energetic complex,...
Impact of explosophoric group isomerism on fine-tuning of energetic compounds: Isomeric N2O2CH3 groups as a key structural motif
October 2026
Isomeric high-energy oxygen- and nitrogen-rich compounds are an attractive and increasingly important family of energetic molecular materials. The introduction of isomerism as a methodology into the...
Isomeric energetic biocidal compounds derivates from methylene bridged nitro-iodopyrazoles
October 2026
Isomerization is an attractive strategy to manipulate the properties of compounds by keeping the same molecular formula. Herein, we present the preparation of five bis(nitro-iodopyrazole)methanes isomers...
From N-amino to N-azo derivatives: Influence of the structure of isomeric azo derivatives of dinitropyrazoles on their decomposition and combustion mechanism
October 2026
•It is hypothesized that the rate-limiting step of 1,1′-azobis(dinitropyrazole)s is the isomerization of the azo groups from the trans-form to the less stable cis-form.•The study of the combustion of...
Energetic 1-picrylamino- and 1-(dinitropyrazolylamino)-dinitropyrazoles
October 2026
N-(Het)arylation of isomeric dinitropyrazoles bearing amino group at nitrogen of the ring have been investigated. Isomeric N-(picrylamino)- and N-[(N’-methyl)dinitropyrazolylamino) derivatives were...
Tetranitro-bimidazole/pyrazole derived energetic salts and Azo-bridged compounds with moderate stability and insensitivity
October 2026
Tetranitro-bimidazole/pyrazole represent a class of energetic scaffolds featuring high nitrogen-oxygen content and positive heat of formation. In this work, two series of energetic derivatives based...
A role for isomerism in energetic compounds: A brief excursus from yesterday to tomorrow
October 2026
Isomerism has long been recognized as a useful tool for tuning the properties of energetic compounds, and isolated examples of selected energetic isomers are used as components of propellants and explosives...
Tuning energetic performance via isomerism: Trinitro 3,5-di(pyrazolyl)-1,2,4-oxadiazole isomers
October 2026
A series of six isomers was synthesized with three nitro groups at various positions on the 3,5-di(pyrazolyl)-1,2,4-oxadiazole framework, providing a representative set for evaluating the effects of...
Study on performance degradation and reliability of dry powder fire extinguishing agent under hydrothermal aging condition
Available online 22 September 2026
Dry powder fire extinguishing agents have become a promising alternative to Halon in the field of firefighting, but their reliability is significantly affected by factors such as humid-thermal aging....
Mitigation of Combustion Instability of Solid Rocket Motors by Modifying the Chemical Composition
Available online 15 September 2026
The compositional parameters influencing the acoustics-combustion interaction towards mitigating the combustion instability for a solid rocket motor is discussed in this paper. Full scale static tests...
Influence of conventional stabilizers on the thermal stability of promising starch nitrate energetic biopolymer
Available online 15 September 2026
The growing interest in sustainable energetic materials has driven the development of bio-based energetic polymers as environmentally friendly alternatives. Among them, starch nitrate has emerged as...
Aging behavior of innovative UV-curable binders for composite solid propellants: An activation energy analysis
Available online 15 September 2026
A Time-Resolved Method for Assessing the Laser Ignition Safety Threshold of Aluminum Hydride/Ammonium Perchlorate Energetic Composites
Available online 13 September 2026
•A synchronized method separates P50 from energy delivered before ignition.•Time-resolved q(t) integration captures the rising CW laser output.•Fixed-power estimates were 5.6–66.6 times the time-resolved...
Enhanced Thermal Stability of N-Nitrocarbamoyl Derivatives via Triple Synergistic Effect
Available online 12 September 2026
•Remarkably improved thermal stability: Benefiting from the triple synergistic effect, the optimized N-nitrocarbamoyl compound NNA-1 exhibits an onset decomposition temperature of 221°C, which surpasses...
Multiscale thermal decomposition of 5-amino-4-nitrobenzo[1,2-c:3,4-c′]bis([1,2,5]oxadiazole) 1,6-dioxide (CL-18): TG–FTIR–MS evidence, ReaxFF molecular dynamics, and CRNN-based kinetic modeling
Available online 11 September 2026
•TG–FTIR–MS reveals synchronous mixed-gas release at 466.78–469.82 K.•Coupled spectroscopy supports NO, CO₂, and N₂O as principal detected gases.•N–O-related cleavage dominates simulated CL-18 first...
Advances and comparison of mechanisms in controlled chemical micro-propulsion technologies based on solid energetic materials
Available online 11 September 2026
Controlled chemical micro-propulsion technologies based on solid energetic materials achieve switchable combustion and adjustable thrust through energy coupling between external physical fields and...
Detonation Calorimetric Study of Thermobaric RDX/AN/Metal Formulations in Air Atmosphere
Available online 10 September 2026
One of the key performance factors of thermobaric explosives is the heat released during the afterburning of its metallic additives. In this study, the total energy output of selected compositions was...
Enhancing Performance of Tank Ammunition using High Perforation Multiplicity of Rosette Shaped Propellant Grains
Available online 10 September 2026
The continuous advancement in main battle tank armour necessitates enhanced lethality of tank gun kinetic energy ammunition, demanding increased muzzle velocity (MV) without exceeding the permissible...
Study on the combustion mechanism and safety characteristics of AP/NC smokeless microporous firework propellant
Available online 10 September 2026
•AP/NC-SMFP replaces black powder for smokeless fireworks.•AP addition significantly reduces the activation energy of NC-SMFP.•AP/NC-SMFP exhibits a substantially higher burning rate.•AP/NC-SMFP delivers...
Design of Safe Ignition Compositions for Environmentally Benign Detonator Systems
Available online 10 September 2026
The development of compact, reliable detonators without heavy-metal-based primary explosives remains a major challenge in energetic materials engineering. This work introduces a heavy-metal-free KClO4(KP)/Al...
DNTF/Al/NC Energetic Nanocomposite Fibers Fabricated by Electrospinning: Synergistically Enhanced Energy Release and Safety
Available online 7 September 2026
•Uniform DNTF/Al/NC energetic composite fibers with evenly dispersed components were prepared by electrospinning.•The interconnected fibrous framework accelerates the heat and mass transfer.•Electrospun...
Elucidating Damage Evolution in HTPB-Based Composite Propellants under Varying Displacement Rates and Temperatures using Dual-Surface 2D-DIC
Available online 6 September 2026
•Full-field strain measurement on transverse faces using dual-surface 2D-DIC.•Enhanced estimation of Poisson’s ratio and dilatation under uniaxial loading.•Displacement rate and temperature influence...
Performance Estimation of Triple Swirl Injection System at Varying Location of a Hybrid Rocket Motor
Available online 3 September 2026
•Multi-swirl injection is an alternative method to improve performance of hybrid rocket.•Triple swirl enhanced performance compared to showerhead-single-swirl configurations.•Optimal injector placement...
Thermal decomposition kinetics of the synthesis of Dinitroglycoluril
August 2026
Dinitroglycoluril (DNGU), as an energetic material with excellent insensitivity, low vulnerability, and high thermal stability, has been partially used as a substitute for RDX in Hexolit mixed explosives...