2024
DOI: 10.1021/acsapm.4c02233
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Perfluoroalkyl-Functionalized HTPB Improves the Mechanical and Combustion Performance of Boron/HTPB Composites as Solid Fuel

Ashley M. Robinson,
Dongwon Ka,
Xiaolin Zheng
et al.

Abstract: Solid composites comprising boron (B) and hydroxyl-terminated polybutadiene (HTPB) are attractive potential fuels for air-breathing propulsion systems. However, a notable challenge for B/HTPB composites is the sluggish oxidation kinetics of B that hinders the combustion efficiency. Addition of fluoropolymers in the composites has been found to improve the combustion efficiency but reduce the mechanical performance. Herein, we covalently grafted fluoroalkyl side chains onto HTPB (F-HTPB) to introduce fluorocarb… Show more

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