HNS-Ⅳ的制备及粒径、形貌控制  

Preparation,Particle Size and Crystal Control of HNS-Ⅳ

作　　者：尚雁[1] 叶志虎[1] 王友兵[1] 李亚南[1] 王伯周[1] 

机构地区：[1]西安近代化学研究所,陕西西安710065

出　　处：《含能材料》2011年第3期299-304,共6页Chinese Journal of Energetic Materials

摘　　要：采用溶剂-非溶剂重结晶方法制备了超细六硝基茋(HNS-Ⅳ),研究了溶解溶剂、非溶剂、洗涤溶剂及干燥方式对HNS-Ⅳ粒径及形貌的影响。采用扫描电镜和激光粒度对HNS-Ⅳ晶体的形貌、粒径进行了分析。结果表明,较适宜的溶剂为N,N-二甲基甲酰胺(DMF)溶解溶剂,H2O非溶剂,CH3OH洗涤溶剂;较适宜的干燥方式为室温下真空干燥48 h。通过控制温度、溶剂用量、非溶剂用量、表面活性剂用量、干燥方式,可调节产品粒径,得到粒径为0.5～1.0μm,晶貌较好的HNS-Ⅳ粉末。Ultra-fine 2,2′,4,4′,6,6′-hexanitorstilbene（HNS-Ⅳ） was prepared by using solvent/anti-solvent recrystallization method.The effects of solvent factors,drying methods and process parameters,such as different solvents,anti-solvents,washing solvents,temperature,drying methods on the particle size,particle size distribution and morphology of HNS,were investigated.Results show that suitable solvents as follows： dimethylformamide（DMF） was solvent,and H2O was anti-solvent and methanol was wash solvent.The particle size and size distribution can be controled by verifying the amount of solvent,amount of anti-solvent,amount of surfactant,temperature and drying methods.Crystal appearance of HNS is smooth with particle size from 0.5 μm to 1.0 μm.

关 键 词：物理化学 超细六硝基茋(HNS-Ⅳ) 溶剂-非溶剂法 粒径 晶形 

分 类 号：TQ560.1[化学工程—炸药化工]