Propellants are the main energy source in the internal ballistic process. The use of 3D printing has promised to produce propellants with complex geometries. However, due to the degraded energy properties of propellants using an inert binder, there is a critical need to develop a printable energetic resin. In this paper, a novel energetic acrylate-terminated poly–3–nitratomethyl–3–methyloxetane (APNIMMO) oligomer was prepared and characterized. The performance of a new composite propellant composed of APNIMMO and CL-20 (Hexanitrohexaazaisowurtzitane Dodecane) was also demonstrated. The new energetic printable resin and its composites are suitable for stereolithography (SLA) 3D printing, offering not only an improved thermodynamic energy, but also a substantially improved burn rate. Compared with the inert binder, the energetic binder offers the possibility to improve the thermodynamic energy by 15% and the burn rate at 100MPa by 480% for 3D printed propellants.

推进剂是内弹道过程的主要能源。3D 打印的使用有望生产具有复杂几何形状的推进剂。然而，由于使用惰性粘合剂的推进剂的能量特性会降低，因此迫切需要开发可印刷的高能树脂。在本文中，制备并表征了一种新型的高能丙烯酸酯封端的聚-3-硝基甲基-3-甲基氧杂环丁烷（APNIMMO）低聚物。还展示了由 APNIMMO 和 CL-20（六硝基六氮杂异武兹烷十二烷）组成的新型复合推进剂的性能。新的高能可打印树脂及其复合材料适用于立体光刻 (SLA) 3D 打印，不仅提供了改进的热力学能量，而且大大提高了燃烧速度。与惰性粘合剂相比，