[1]胡秀丽,周伟良,肖乐勤,等.溶剂提纯对硼粉表面性能影响的研究[J].爆破器材,2014,43(02):48-52.[doi:10.3969/j.issn.1001-8352.2014.02.011]
　HU Xiuli,ZHOU Weiliang,XIAO Leqin,et al.Research on the Surface Properties of Solvent Purified Boron[J].EXPLOSIVE MATERIALS,2014,43(02):48-52.[doi:10.3969/j.issn.1001-8352.2014.02.011]
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溶剂提纯对硼粉表面性能影响的研究()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
43
期数:
2014年02
页码:
48-52
栏目:
爆破技术
出版日期:
2014-04-20

文章信息/Info

Title:
Research on the Surface Properties of Solvent Purified Boron
文章编号:
4699
作者:
胡秀丽; 周伟良; 肖乐勤; 菅晓霞
南京理工大学化工学院（江苏南京，210094）
Author(s):
HU Xiuli;  ZHOU Weiliang;  XIAO Leqin;  JIAN Xiaoxia
School of Chemical Engineering, Nanjing University of Science and Technology (Jiangsu Nanjing, 210094)
关键词:
硼粉; 杂质; 提纯; 稳定性
Keywords:
boron;  impurity;  purify;  stability
分类号:
TK407.9；TQ560.7
DOI:
10.3969/j.issn.1001-8352.2014.02.011
文献标志码:
A
摘要:
为了提高硼系延期药的质量控制水平，分别研究了原料硼、储存硼及溶剂提纯硼的表面酸碱性、比表面积、X-射线衍射及其颗粒纯度等。结果表明：原料硼储存315 d后酸性杂质增多，XRD曲线中B2O3衍射峰显著增强，水悬浮液pH值略有降低，颗粒团聚加剧，比表面积由13.4 m2/g减至10.3 m2/g，氧化增重降低约7%。乙醇提纯后的硼粉比表面积增至16.2 m2/g，分散性提高，长期储存的硼粉经溶剂提纯后的XRD曲线中未观察到B2O3衍射峰，热氧化增重提高约12.0%~18.5%，硼粉纯度得到一定程度的提高。
Abstract:
To improve the quality control level of boron type delay composition, the surface acidity, BET specific surface area, Xray diffraction and the purity of raw boron, stored boron and solvent purified boron were investigated. The results show that, after being stored for 315 days, the amount of acidic impurities in the raw boron increases, the peaks assigned to B2O3 in the XRD curve increase significantly, the pH value of boron suspension decreases, the agglomeration of boron particles gets worse, the specific surface area reduces from 13.4 m2/g to 10.3 m2/g, and the oxidation weight of boron drops by 7%. In contrast, after being purified with ethanol, the specific surface area of boron increases to 16.2 m2/g, the dispersion of boron is improved, no peaks attributed to B2O3 is detected, and the thermal oxidation weight of boron increases by 12.0% 18.5%. The boron has been purified by the solvents.

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备注/Memo

备注/Memo:
收稿日期：2013-09-09
基金项目：装备预研重点基金
作者简介：胡秀丽（1987~），女，博士研究生，主要从事含能材料的研究。E-mail：mnhuxiuli@163.com
通信作者：周伟良（1963~），男，博导，教授，主要从事含能材料的研究。E-mail：wlzhou331@163.com
更新日期/Last Update: 2014-04-18