Results 41 to 50 of about 11,287 (255)
Propellants, Explosives, Pyrotechnics, EarlyView.ABSTRACT We report on the synthesis and characterization of 3‐(2‐(2‐azidoethoxy)ethoxy)‐4‐nitro‐1,2,5‐oxadiazole (NFPEG2N3), which is a liquid nitrofurazanyl ether that was designed to be an energy‐rich plasticizer for glycidyl azide polymer (GAP)‐ and nitrocellulose (NC)‐based formulations.
P. Lieber +3 more
wiley +1 more source
Journal of Polymer Science, Volume 64, Issue 9, Page 1860-1894, 1 May 2026.This review examines bio‐based polyurethanes from renewable feedstocks, focusing on structure‐property relationships governing mechanical performance. It analyzes reinforcement strategies, benchmarks against petrochemical counterparts, and explores future directions, including non‐isocyanate routes and circular economy integration for sustainable high ...
Khaled Chawraba +4 more
wiley +1 more source
Materials & DesignConventional polyurethanes for implants suffer from hydrolytic/oxidative degradation due to ester/ether bonds. To overcome this, in this research, we have developed aging-resistant implantable medical polyurethanes to address the issue of their limited ...
Minghui Cui +9 more
doaj +1 more source
A study of solid ramjet fuel containing boron–magnesium mixtures
Propulsion and Power Research, 2017 Solid fuel ramjets (SFRJ) are known for their operational simplicity and high specific impulse. The performance of the SFRJ propulsion system is directly tied to the energy density and combustion behavior of the fuel.
EricT. Sandall +4 more
doaj +1 more source
Toward Model Amphiphilic Polymer Co‐Networks: Linking Architecture to Structure and Properties
Macromolecular Chemistry and Physics, Volume 227, Issue 7, 14 April 2026.This review provides a comprehensive overview on model amphiphilic polymer co‐networks, demonstrating how precise control over network architecture enables systematic investigation of their structure and properties. By linking molecular design to macroscopic behavior, it highlights fundamental structure–property relationships and shows how these ...
Sebastian Seitel +14 more
wiley +1 more source
, 1980 A process for preparing dianhydrides that are miscible with hydroxyl prepolymers at moderate temperatures and can cure hydroxyl prepolymers to elastomers at moderate temperatures is disclosed.
Ingham, J. D., Rhein, R. A.
core +1 more source
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT To address the issues of aluminum (Al) powder agglomeration during combustion and low oxidizer decomposition efficiency in composite solid propellants, this study utilized in situ self‐assembly technology to prepare cobalt‐based hybrid‐coated modified Al powder (Al@CZ).
Chong Chen +11 more
wiley +1 more source
Polímeros, 2014 A simple method is reported for the epoxidation of hydroxyl-terminated polybutadiene (HTPB) by using in-situ generated dimethyl dioxirane (DMD) as an oxidant and Cloisite 15Aº nanoclay as a phase-transfer catalyst (PTC).
Mir Mohammad Alavi Nikje +1 more
doaj +1 more source
Design, Production and Evaluation of 3D-Printed Mold Geometries for a Hybrid Rocket Engine
Aerospace, 2021 The feasibility of 3D-printed molds for complex solid fuel block geometries of hybrid rocket engines is investigated. Additively produced molds offer more degrees of freedom in designing an optimized but easy to manufacture mold.
Benedict Grefen +3 more
doaj +1 more source
Recent advances of non‐invasive sensors for smart wearable respiratory monitoring
VIEW, Volume 7, Issue 2, April 2026.Respiration contains rich physiological and pathological information, making it one of the most fundamental and continuous vital signs. Respiration monitoring is a non‐invasive and simple, but incredibly powerful, tool for assessing health, managing disease, and tracking fitness.
Jianhui Chen +8 more
wiley +1 more source