全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
含能材料  2012 

超临界CO2抗溶剂法制备CL-20超细微粒的研究

DOI: 10.3969/j.issn.1006-9941.2012.04.014

Keywords: 含能材料,超临界二氧化碳,抗溶剂,CL-20,超细化,晶型形成机理

Full-Text   Cite this paper   Add to My Lib

Abstract:

为了制备CL-20超细微粒,利用超临界二氧化碳抗溶剂法(SAS),以乙酸乙酯为溶剂,PEG-200为表面活性剂进行了实验。在温度50℃,压力12MPa,CL-20溶液质量百分浓度为5%的条件下,制备了CL-20超细微粒。利用SEM、FIRT、TGA、DSC对样品进行了测试,研究表明所制备的CL-20超细微粒表面圆润,无明显棱角,粒径分布均匀,平均粒径为1.33um。并对SAS过程中CL-20晶型的形成机理进行了分析。

References

[1]  于天义, 褚永贤. 珠磨法制备炸药微粉[J]. 火工品, 1994(03): 11-14.
[2]  Ernesto Reverchon. Supercritical anti-solvent precipitation of micro and nano-particles[J]. Supercrit. Fluids, 1999, 15(1): 1-21.
[3]  欧育湘, 贾会平, 陈博仁, 等. 六硝基六氮杂异伍兹烷的研究进展(3)-六硝基六氮杂异伍兹烷晶型研究[J]. 含能材料, 1999, 7(2): 49-52. OU Yu-xiang, JIA Hui-ping, CHEN Bor-en, et al. Research progress of hexanitrohexaazaisowurtzitane(3) studies on polymorphs of hexanitrohexaazaisowurtzitane[J]. Chinese Journal of Energetic Materials(Hanneng Cailiao),1999,7(2):49-52.
[4]  Gallagher P M, Coffey M P, Krukonis V J, et al. Gas anti-solvent recrystallization of RDX: Formation of ultra-fine particles of a difficult-to-comminute explosive[J]. Supercritical Fluids, 1992, 5(2): 130-142.
[5]  Kim Chang-Ki, Lee Byung-Chul, Lee Youn-woo, et al. Solvent effect on particle morphology in recrystallization of HMX(cyclotetramethylenetetranitramine) using supercritical carbon dioxide as antisolvent[J]. Korean J Chem Eng, 2009, 26(4): 1125-1129.
[6]  王保国, 陈亚芳, 张景林, 等. 亚微米级ε型CL-20的制备、表征与性能[J]. 爆炸与冲击2009, 29(5): 550-554. WANG Bao-guo, CHEN Ya-fang, ZHANG Jing-lin, et al. Preparation,characterization and performances of submicron ε-CL-20. Explosion and Shock Waves, 2009,29(5): 550-554.
[7]  欧育湘, 潘则林, 徐永江, 等. 六硝基六氮杂异伍兹烷的结构鉴定[J]. 含能材料, 1995, 3(3): 1-7. OU Yu-xiang, CHEN Bor-en, JIA Hui-ping. Structural identification of hexanitrohexaazaisowurtzitan. Chinese Journal of Energetic Materials(Hanneng Cailiao), 1995,3(3): 1-7.
[8]  Jun Li, Thomas B Brill. Kinetics of Solid Polymorphic Phase Transitions of CL-20[J]. Propellants, Explosives, Pyrotechnics., 2007, 32(4): 326-330.
[9]  Simpson R L, Urtiaw P A, Ornellas D L, et al. CL-20 performance exceeds HMX and its sensitivity is moderate[J]. Propellants, Explosives, Pyrotechnics, 1997, 22(5): 249-255.
[10]  张小宁, 徐更光. 超细HMX和RDX的冲击感度研究[J]. 火炸药学报, 1999, 22(1): 33-36. ZHANG Xiao-ning, XU Geng-guang. A Study about impact sensitivity of ultrafine HMX and RDX[J]. Chinese Journal of Explosive & Propellans, 1999,22(1): 33-36.
[11]  刘进全, 欧育湘, 孟征, 等. ε-HNIW在不同溶剂中的晶型稳定性[J]. 含能材料, 2006, 14(2): 108-110. LIU Jin-quan, OU Yu-xiang, MENG Zheng, et al. Polymorph stability of ε-HNIW in different solvents[J]. Chinese Journal of Energetic Materials(Hanneng Cailiao), 2006,14(2): 108-110.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133