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[1]赵鑫华,曹端林,王建龙,等.FOX-7在DMSO-H2O、DMSO-EtOH、DMSO-ACE二元混合体系中的溶解度及结晶[J].火炸药学报,2019,42(5):473-479,489.[doi:10.14077/j.issn.1007-7812.2019.05.009]
 ZHAO Xin-hua,CAO Duan-lin,WANG Jian-long,et al.Solubility and Crystallization of FOX-7 in DMSO-H2O, DMSO-EtOH and DMSO-ACE Binary Mixed Solvents[J].,2019,42(5):473-479,489.[doi:10.14077/j.issn.1007-7812.2019.05.009]
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FOX-7在DMSO-H2O、DMSO-EtOH、DMSO-ACE二元混合体系中的溶解度及结晶()
     
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《火炸药学报》[ISSN:1007-7812/CN:61-1310/TJ]

卷:
42卷
期数:
2019年第5期
页码:
473-479,489
栏目:
出版日期:
2019-10-31

文章信息/Info

Title:
Solubility and Crystallization of FOX-7 in DMSO-H2O, DMSO-EtOH and DMSO-ACE Binary Mixed Solvents
作者:
赵鑫华 曹端林 王建龙 陈丽珍 章越扬 周诚
1. 中北大学化学工程与技术学院, 山西 太原 030051;
2. 西安近代化学研究所, 陕西 西安 710065
Author(s):
ZHAO Xin-hua CAO Duan-lin WANG Jian-long CHEN Li-zhen ZHANG Yue-yang ZHOU Cheng
1. School of Chemical Engineering and Technology, North University of China, Taiyuan 030051, China;
2. Xi’an Modern Chemistry Research Institute, Xi’an 710065, China
关键词:
物理化学11-二氨基-22-二硝基乙烯(FOX-7)热力学溶解度激光动态法冷却结晶
Keywords:
physical chemistry11-di amino-22-dinitroethylene (FOX-7)thermodynamicssolubilitylaser dynamic methodcooling crystallization
分类号:
TJ55;O62
DOI:
10.14077/j.issn.1007-7812.2019.05.009
文献标志码:
-
摘要:
采用激光动态法测定了1,1-二氨基-2,2-二硝基乙烯(FOX-7)在4种纯溶剂(DMSO、H2O、EtOH、ACE)和3种二元混合溶剂(DMSO-H2O、DMSO-EtOH、DMSO-ACE)中的溶解度;用Apelblat、Yaws和van’t Hoff模型对溶解度数据进行拟合;以DMSO为溶剂,H2O、EtOH、ACE为非溶剂,采用溶剂-非溶剂法对FOX-7进行重结晶,并采用电子显微镜对其形貌进行观察。结果表明,FOX-7在纯溶剂中的溶解度随温度的升高而增大,在混合溶剂中的溶解度随温度的升高和DMSO含量的增加而增大;在相同温度下、同等体积比的这3种二元混合溶剂,FOX-7在DMSO-H2O中的溶解度最小,在DMSO-ACE中的溶解度最大,3个溶解度模型的相关系数(R2)均大于0.96,因此可以采用这3个模型来关联溶解度数据;用电子显微镜观察到DMSO-ACE(体积比2:1)体系中冷却结晶得到的晶体形貌规则统一且呈类球状,未出现团聚现象。
Abstract:
The solubility of 1,1-diamino-2,2-dinitroethylene (FOX-7) in four pure solvents (DMSO, H2O, EtOH, ACE) and three binary mixed solvents (DMSO-H2O, DMSO-EtOH, DMSO-ACE) were determined by using a laser dynamic monitoring technique. The Apelblat model, Yaws model and van’t Hoff model were adopted to correlate the experimental solubility data. FOX-7 was recrystallized by solvent-nonsolvent method with DMSO as solvent while H2O, EtOH and ACE as non-solvent and its morphology was observed by electron microscopy. The results show that the solubility of FOX-7 in pure solvent increases with increasing the temperature, and the solubility in mixed solvent increases with increasing the temperature and DMSO content. At the condition of same temperature and same volume ratio for the three binary mixed solvents, the solubility of FOX-7 in DMSO-H2O is the minimum, while in DMSO-ACE is maximum. The correlation coefficients(R2) of the three correlation equations are greater than 0.96, so the three correlation equations can be adopted to correlate the solubility data. The crystals crystallized in the DMSO/ACE (volume ratio of 2:1) system were observed by an electron microscope with the uniform and spherical morphology, and no agglomeration occurred.

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备注/Memo

备注/Memo:
收稿日期:2019-01-16;改回日期:2019-03-05。
作者简介:赵鑫华(1994-),女,硕士研究生,从事含能材料结晶研究。E-mail:495514721@qq.com
通讯作者:曹端林(1963-),男,教授,从事含能材料合成及应用研究。E-mail:cdl@nuc.edu.cn
更新日期/Last Update: 1900-01-01