CHINESE JOURNAL OF ENERGETIC MATERIALS
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TATB在不同溶剂中的溶解特性研究进展
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中国工程物理研究院化工材料研究所, 四川 绵阳621999

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国家自然科学基金资助(11572295,21975235)


Review on the Dissolution Characteristics of TATB in Different Solvents
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Institute of Chemical Materials, CAEP, Mianyang 621999, China

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    摘要:

    1,3,5-三氨基-2,4,6-三硝基苯(TATB)具有良好的爆轰能量和极佳的安全性能,是当前唯一满足钝感高能炸药标准(IHE)的单质炸药。然而,由于TATB分子内外具有强的氢键作用,导致其难溶于常规溶剂。而提升TATB的溶解度是对其进行产品精制、品质控制和形貌调控的重要前提,也是降低其产品制造成本,减少环境污染的重要途径。因此,提升TATB的溶解度是其工程化应用的重要基础。针对TATB在不同溶剂中的溶解特性研究进展进行综述,溶剂类型包括常规溶剂(如二甲基亚砜)、强酸和强碱(如浓硫酸,氢氧化钠溶液),以及离子液体(如1-乙基-3-甲基咪唑醋酸盐)等,分析了当前溶剂体系在溶解TATB存在的优势与不足,并就未来的溶解溶剂与溶解方法进行了展望,例如发展新型组合溶剂提高溶解度,采用计算化学方法研究溶解机理。

    Abstract:

    1,3,5-triamino-2,4,6-trinitrobenzene (TATB) has good detonation energy and excellent safety performance, which is the only single explosive meeting the insensitive high energy explosive (IHE) standard. However, TATB has strong intramolecular and intermolecular hydrogen bonding, which makes it difficult to dissolve in common solvents. While improving the solubility of TATB is not only an important prerequisite for product refining, quality control and shape control, but also an important way to reduce the production cost and environmental pollution. Therefore, improving the solubility of TATB is an important basis for engineering application. The research progress of dissolution characteristics of TATB in different solvents are reviewed, including common solvents (e.g. dimethyl sulfoxide), strong acids and bases (e.g. concentrated sulfuric acid, sodium hydroxide solution), and ionic liquids (e.g. 1-ethyl-3-methylimidazolium acetate), et al. The existing advantages and disadvantages of the current solvent systems in dissolving TATB are analyzed. The dissolving solvents and methods of the future are also anticipated, for instance, developing new combination solvents to improve solubility, and studying the dissolution mechanism by using computational chemistry method.

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贾建慧,陈建波,刘渝. TATB在不同溶剂中的溶解特性研究进展[J].含能材料, 2020, 28(10):1026-1034. DOI:10.11943/CJEM2020007.
JIA Jian-hui, CHEN Jian-bo, LIU Yu. Review on the Dissolution Characteristics of TATB in Different Solvents[J]. Chinese Journal of Energetic Materials, 2020, 28(10):1026-1034. DOI:10.11943/CJEM2020007.

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历史
  • 收稿日期: 2020-01-13
  • 最后修改日期: 2020-06-05
  • 录用日期: 2020-05-20
  • 在线发布日期: 2020-06-03
  • 出版日期: 2020-10-25