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Open AccessArticle

An Electrospun Preparation of the NC/GAP/Nano-LLM-105 Nanofiber and Its Properties

1
School of Materials Science and Engineering, North University of China, Taiyuan 030051, China
2
China North Industries Group Corporation Limited, Beijing 100821, China
3
Teaching and Research Support Center, Army Academy of Armored Forces, Beijing 100072, China
4
School of Environment and Safety Engineering, North University of China, Taiyuan 030051, China
*
Author to whom correspondence should be addressed.
Nanomaterials 2019, 9(6), 854; https://doi.org/10.3390/nano9060854
Received: 28 April 2019 / Revised: 30 May 2019 / Accepted: 31 May 2019 / Published: 4 June 2019
(This article belongs to the Special Issue Nanoenergetic Materials: Preparation, Properties, and Applications)
In this work, an energetic composite fiber, in which 2,6-diamino-3,5-dinitropyrazine-1-oxide (LLM-105) nanoparticles intimately incorporated with a nitrocellulose/glycidyl azide polymer (NC/GAP) fiber, was prepared by the electrospinning method. The morphology and structure of the nanofiber was characterized by scanning electron microscopy (SEM), energy dispersive X-Ray (EDX), fourier transform infrared spectroscopy (IR), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and Brunauer–Emmett–Teller (BET). The nanofibers possessed a three-dimensional (3D) net structure and a large specific surface area. Thermal analysis, energetic performance, and sensitivities were investigated, and they were compared with NC/GAP and LLM-105 nanoparticles. The NC/GAP/nano-LLM-105 nanofibers show higher decomposition rates and lower decomposition temperatures. The NC/GAP/nano-LLM-105 decomposed to CO2, CO, H2O, N2O, and a few NO, -CH2O-, and -CH- fragments, in the thermal-infrared spectrometry online (TG-IR) measurement. The NC/GAP/nano-LLM-105 nanofibers demonstrated a higher standard specific impulse (Isp), a higher combustion chamber temperature (Tc), and a higher specialty height (H50). The introduction of nano-LLM-105 in the NC/GAP matrix results in an improvement in energetic performance and safety. View Full-Text
Keywords: electrospinning; NC/GAP/nano-LLM-105; thermolysis; energetic performance; sensitivity electrospinning; NC/GAP/nano-LLM-105; thermolysis; energetic performance; sensitivity
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Luo, T.; Wang, Y.; Huang, H.; Shang, F.; Song, X. An Electrospun Preparation of the NC/GAP/Nano-LLM-105 Nanofiber and Its Properties. Nanomaterials 2019, 9, 854.

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