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...
Why Energy Content Is Not Enough: Lessons from Aluminum, Alternative Fuels and Charge Architecture in Thermobaric Explosives
Available online 2 October 2026
Thermobaric explosives derive their effectiveness from energy release during both anaerobic reactions in expanding detonation products and aerobic combustion involving atmospheric oxygen. Researchers...
Synergistic Stabilization of Nitrocellulose by Ion-Exchanged Faujasite and Beta Zeolites through NOₓ Scavenging and Acid Neutralization of Autocatalytic Thermal Decomposition Products
Available online 2 October 2026
Nitrate ester-based propellants (NEBPs) are inherently susceptible to autocatalytic degradation, driven by the continuous release of reactive nitrogen oxides (NOₓ) and acidic byproducts from the labile...
Investigating the Impact of Biomass Additives in Paraffin-based Hypergolic Solid Fuel with Rocket Grade Hydrogen Peroxide
Available online 2 October 2026
The research presented the hypergolicity of a paraffin-based hybrid solid fuel with biomass based additive and demonstrated the feasibility of using it in combination with rocket-grade hydrogen peroxide...
N–N bridged bis-heterocyclic energetic compounds
Available online 1 October 2026
In the field of energetic materials, N–N bridged bis-heterocyclic energetic compounds represent a unique structural class, wherein the two heterocyclic rings are connected via a direct covalent bond...
New Insensitive Plastic-Bonded Explosive Sheet (Explosive Properties and Thermal Decomposition Characteristics)
Available online 1 October 2026
•A novel PETN/NTO-based polymer-bonded explosive (PBX) sheet was successfully prepared and characterized.•The formulation combines significantly reduced impact sensitivity (35.9 J) and friction sensitivity...
Flame jets driven by boron-based thermite reactions for localized structural damage to non-volatile-memory devices
Available online 28 September 2026
Thermite-driven flame jets provide a localized transient energy-delivery route for producing structural damage in non-volatile-memory (NVM) devices. In this work, flame jets generated from boron-based...
Study on the Characteristics of Impact Heat Transfer Load on Targets during the Expansion of Explosion Products
Available online 24 September 2026
•A method for retrieving the peak heat flux of explosion near field based on the peak temperature behind metal plate is proposed.•The relationship between the impact heat transfer time and the positions...
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...