首页|A review on surface coating strategies for anti-hygroscopic of high energy oxidizer ammonium dinitramide

A review on surface coating strategies for anti-hygroscopic of high energy oxidizer ammonium dinitramide

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Ammonium dinitramide(ADN),which has the advantages of high energy density,no halogen and low characteristic signal,is not only considered as a new high-energy oxidizer that is expected to replace the traditional oxidizer ammonium perchlorate(AP)in solid propellants,but also a good performance explosive in itself.However,due to the strong hygroscopicity of ADN,its application in solid propellants and explosives is greatly limited.Solving the hygroscopicity of ADN is the key to realize the wide application of ADN.In this paper,we systematically review the research progress of anti-hygroscopic strategies of ADN coating.The surface coating methods are focusing on solvent volatilization,solvent-non-solvent,melt crystallization and atomic layer deposition technology.The characteristics of the different methods are compared and analyzed,and the basis for the classification and selection of the coating materials are introduced in detail.In addition,the feasibility of material for surface coating of ADN is evaluated by several compatibility analysis methods.It is highly expected that the liquid phase method(solvent volatilization method,solvent-non-solvent method)would be the promising method for future ADN coating because of its effective,safety and facile operation.Furthermore,polymer ma-terials,are the preferred coating materials due to their high viscosity,easy adhesion,good anti-hygroscopic effect,and heat resistance,which make ADN weak hygroscopicity,less sensitive,easier to preserve and good compatibility.

Ammonium dinitramide(ADN)Energetic materialsAnti-hygroscopicSurface coatingCompatibility analysis

Hongyu Yang、Fuyao Chen、Yiwen Hu、Qiangqiang Lu、Lei Xiao、Yinglei Wang、Fengqi Zhao、Wei Jiang、Gazi Hao

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National Special Superfine Powder Engineering Research Center of China,School of Chemistry and Chemical Engineering,Nanjing University of Science and Technology,Nanjing 210094,China

Xi'an Modem Chemistry Research Institute,Xi'an 710065,China

National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaJoint Funds of the National Natural Science Foundation of ChinaFundamental Research Funds for the Central UniversitiesYoung Elite Scientists Sponsorship Program by CAST(YESS Program)

218051391210219422005144U2141202309210112032021QNRC001

2024

10.1016/j.dt.2023.08.012

防务技术
中国兵工学会

防务技术

CSTPCD
影响因子：0.358
ISSN：2214-9147
年,卷(期)：2024.33(3)
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