Preparation and property of CL-20/BAMO-THF energetic nanocomposites

作     者：Teng Chen Yan Zhang Shuang-feng Guo Liu-ming Zhao Wei Chen Ga-zi Hao Lei Xiao Xiang Ke Wei Jiang 

作者机构：National Special Superfine Powder Engineering Research Center of China School of Chemical Engineering Nanjing University of Science and Technology Nanjing 210094 PR China Xi'an Modern Chemistry Research Institute Shaanxi 710065 PR China 

出 版 物：《Defence Technology（防务技术）》 (Defence Technology)

年 卷 期：2019年第15卷第3期

页      面：306-312页

核心收录：

学科分类：08[工学] 0826[工学-兵器科学与技术] 

主　　题：CL-20/BAMO-THF nanocomposites Kinetic Thermodynamic Impact sensitivity 

摘      要：A sol-gel freezing-drying method was utilized to prepare energetic nanocomposites based on 2, 4, 6, 8,10, 12-hexanitro-2, 4, 6, 8, 10, 12-hexaazaisowurtzitane(CL-20) with 3, 3-Bis(azidomethyl) oxetanetetrahydrofuran copolymer(BAMO-THF) as energetic gel matrix. Scanning electron microscopy(SEM),X-ray diffraction(XRD), Raman, Fourier-transform infrared spectroscopy(FT-IR) and differential thermal analyser(DTA) were utilized to characterize the structure and property of the resultant energetic nanocomposites. Compared with raw CL-20, the average particle sizes of CL-20 in CL-20/BAMO-THF energetic nanocomposites were decreased to nano scale and the morphologies of CL-20 were also changed from prismatic to spherical. FT-IR detection revealed that CL-20 particles were recrystallized in BAMO-THF gel matrix during the freezing-drying process. The thermal decomposition behaviors of the energetic nanocomposites were investigated as well. The thermolysis process of CL-20/BAMO-THF nanocomposites was enhanced and the activation energy was lower compared with that of raw CL-20,indicating that CL-20/BAMO-THF nanocomposites showed high thermolysis activity. The impact sensitivity tests indicated that CL-20/BAMO-THF energetic nanocomposites presented low sensitivity performance.