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含能材料  2012 

改进“一步法”制备闭孔结构微气孔球扁药

DOI: 10.3969/j.issn.1006-9941.2012.03.015

Keywords: 高分子化学,微气孔球扁药,闭孔结构,制备方法

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Abstract:

以传统球扁药工艺和微胶囊技术制备球扁药方法为基础,采用质量浓度为7%的Na2SO4溶液替代纯水作为分散介质,避免溶解在硝化棉溶液中的水易导致的药粒内部孔壁之间通孔结构的形成,用添加不同量内水相和化学发泡法两种方法来控制球扁药中闭孔结构的形成。结果表明:采用内水相用量来控制孔结构方法时,内水相用量低于30mL时能制备孔径分布均匀、具有闭孔结构的球扁药;采用化学发泡法时,驱溶量为总溶剂量的29%时发泡能制备孔径分布较均匀、低堆积密度、具有闭孔结构的球扁药。

References

[1]  殷继刚. 多气孔球扁发射药结构、成型工艺及性能[D]. 南京: 南京理工大学,2006. YIN Ji-gang. Structure,forming and process performance of micro-pores oblate spherical powder[D]. Nanjing: Master Thesis of Nanjing University of Science and Technology,2006.
[2]  王伯羲. 火药燃烧理论[M]. 北京: 北京理工大学出版社,1997.
[3]  王艳宾. 多孔切口杆状发射药燃烧性能研究[D]. 南京: 南京理工大学化工学院,2008. WANG Yan-bin. The study on the combustion performance of rod-shaped porous propellant[D]. Nanjing: Master Thesis of Nanjing University of Science and Technology,2006.
[4]  张小锋,刘维良,佘小曼. 中铝质闭孔泡沫陶瓷砖的制备和性能研究[J]. 中国陶瓷工业,2010,17(5): 18-21. ZHANG Xiao-feng,LIU Wei-liang,SHE Xiao-man. Study on preparation and properties of the middle-alumina closed-cell foam ceramic bricks[J]. China Ceramic Industry,2010,17(5): 18-21.
[5]  池跃章,余爱民,沈光银,等. 成型压力和烧成温度对利用废渣和尾矿制备闭孔发泡陶瓷的影响[J]. 中国陶瓷,2009(10): 69-71. CHI Yue-zhang,YU Ai-ming,SHENG Guang-ming,et al. The influence of forming pressure and firing temperature on producing closed porosity cheramics using solid residue and tailings[J]. China Ceramics,2009(10): 69-71.
[6]  孙国梁,石纪军,唐燕超,等. 原料和制备工艺对闭孔石英泡沫陶瓷性能的影响[J]. 稀有金属材料与工程,2008,37(A01): 463-466. SUN Guo-liang,SHI Ji-jun,TANG Yan-chao,et al. Effect of materials and fabrication processes on properties of closed pore ceramic foam of silica[J]. Rare Metal Materials and Engineering,2008,37(A01): 463-466.
[7]  石振海,李克智,李贺军,等. 闭孔碳微球泡沫材料制备工艺与性能研究[J]. 功能材料,2005,36(12): 1944-1946. SHI Zhen-hai,LI Ke-zhi,LI He-jun,et al. Study on preparation of closed-celled microspheric carbon foams[J]. Journal of Functional Materials,2005,36(12): 1944-1946.
[8]  罗洪杰,姚广春,张晓明,等. 闭孔泡沫铝材料制备过程中气泡的形成与演化[J]. 中国有色金属学报,2004,14(8): 1377-1381.LUO Hong-jie,YAO Guang-chun,ZHANG Xiao-ming,et al. Formation and evolution of bubble in fabricating closed-cell aluminum foam[J]. Chinese Journal of Nonferrous Metals,2004,14(8): 1377-1381.
[9]  Wong J C H,Tervoort E,Busato S,et al. Controlling phase distributions in macroporous composite materials through particle-stabilized foams[J]. Langmuir,2011,27(7): 3254-3260.
[10]  Bhattacharya S,Gupta R K,Jollands M,et al. Foaming behavior of high-melt strength polypropylene/clay nanocomposites[J]. Polymer Engineering & Science,2009,49(10): 2070-2084.
[11]  寇波. 分层多气孔球形药的制备、表征及性能研究[D]. 南京: 南京理工大学,2007. KOU Bo. Preparation,characterization and performance of layered spherical propellant grain with a dense shell and a porous core[D]. Nanjing: Master Thesis of Nanjing University of Science and Technology,2007.

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