Easily coating to significantly enhance the anti-hygroscopic characteristics of AN

IF 2.7 4区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY
Ke Su , Qianzai Zhou , Yingchun He , Sijia Yu , Haijun Yang
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引用次数: 0

Abstract

Ammonium nitrate (AN) is an important explosive that is widely used in military and civilian fields. However, the high hygroscopicity of AN limit its wider applications and developments. In this study, AN were coated with Co8HQ complexes via solid–solid method, giving a series of surface modified AN/Co8HQs. AN and AN/Co8HQs were characterized by XRD, FTIR, SEM, and EDS. The water contact angles of AN/Co8HQs are higher than that of AN. Hygroscopicity experiments show that the hygroscopicity of AN/Co8HQs was reduced over 40 % at all tested relative humidities in 24 h. The AN/1.5 %Co8HQ showed a 70 % hygroscopicity drop in 24 h at 97.3 % RH. Micrographs of AN/Co8HQ show that Co8HQ were uniformly coated on the surface of AN and filled the voids of AN. Generally, a straightforward and scalable method is provided to improve the anti-hygroscopic properties of AN, which has a considerable potential for practical applications. This gives AN/Co8HQ a very good anti-hygroscopic property.

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来源期刊
Materials Letters
Materials Letters 工程技术-材料科学:综合
CiteScore
5.60
自引率
3.30%
发文量
1948
审稿时长
50 days
期刊介绍: Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials. Contributions include, but are not limited to, a variety of topics such as: • Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors • Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart • Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction • Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots. • Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing. • Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic • Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive
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