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Formulation and performance of functional submicro CL-20-based energetic polymer composite ink for direct-write assembly

机译:基于功能性亚微米CL-20的能量聚合物复合油墨的配方和性能,用于直接写入组件

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摘要

Direct writing deposition of energetic materials has been an area of interest for fuzing applications, novel initiation/booster trains, and for studying small scale detonations. Herein, we present a simple and efficient strategy to fabricate a high explosive ink formulation with good stability as well as excellent performance. Sub-micro CL-20 (2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazaisowurtzitane) was prepared by the ball milling method and then mixed with an energetic binder consisting of GAP (glycidyl azide polymer binder) and N100 (polyisocyanate). The emulation curing process of GAP and N100 was illustrated by FT-IR spectra. Sub-micro CL-20 based ink shows wettability and good uniformity without cracks, porosity and voids. Moreover, the printed sample has lower sensitivity for impact heat stability than pure CL-20. A directly deposited sample in small grooves can provide steady detonation at a size of under 0.4 x 0.4 mm.
机译:直接写入精力材料的沉积是福音应用,新型启动/助推器列车的感兴趣领域,以及研究小规模爆炸。 在此,我们提出了一种简单而有效的策略来制造具有良好稳定性的高爆炸性油墨配方以及优异的性能。 通过球磨方法制备亚微量Cl-20(2,4,6,8,10,12-12-己基 - 2,4,6,8,12-12-12-六己唑氧化丁烷),然后与组成的能量粘合剂混合 间隙(含乙二酰叠缩水甘油聚合物粘合剂)和N100(多异氰酸酯)。 通过FT-IR光谱说明间隙和N100的仿真固化过程。 基于次微的CL-20的墨水显示出润湿性和良好的均匀性,无裂缝,孔隙率和空隙。 此外,印刷样品对冲击热稳定性的灵敏度低于纯CL-20。 小凹槽中的直接沉积的样品可以在0.4×0.4mm下的尺寸下提供稳定的爆轰。

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  • 来源
    《RSC Advances》 |2016年第113期|共7页
  • 作者单位

    Nanjing Univ Sci &

    Technol Sch Chem Engn Nanjing 210094 Jiangsu Peoples R China;

    China Acad Engn Phys Inst Chem Mat Mianyang 621900 Peoples R China;

    Southwest Univ Sci &

    Technol Coinnovat Ctr New Energet Mat Mianyang 621010 Peoples R China;

    China Acad Engn Phys Inst Chem Mat Mianyang 621900 Peoples R China;

    China Acad Engn Phys Inst Chem Mat Mianyang 621900 Peoples R China;

    China Acad Engn Phys Inst Chem Mat Mianyang 621900 Peoples R China;

    Nanjing Univ Sci &

    Technol Sch Chem Engn Nanjing 210094 Jiangsu Peoples R China;

    Nanjing Univ Sci &

    Technol Sch Chem Engn Nanjing 210094 Jiangsu Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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