Multi-size control of homogeneous explosives by coaxial microfluidics

Literature Information

Publication Date 2021-09-17
DOI 10.1039/D1RE00328C
Impact Factor 4.239
Authors

Jinyu Shi, Shuangfei Zhao, Hanyu Jiang, Siyu Xu, Fengqi Zhao, Ruiqi Shen, Yinghua Ye, Peng Zhu


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Abstract

The particle size and particle size distribution of explosives have a great influence on their detonation performance and application. In order to achieve the multi-size preparation of homogeneous explosives, a coaxial microfluidics platform was proposed. As a guide for designing the experiments, a model of crystallization under a microscale flow state was proposed by theoretical analysis. Besides this, the flow characteristics of coaxial microfluidics were investigated experimentally. Herein, 2,2′,4,4′,6,6'hexanitrostibene (HNS) was used to verify the applicability of the platform, which was prepared under different flow rates and flow rate ratios (R). It was found that homogeneous HNS samples with different particle sizes could be prepared using coaxial microfluidics. Furthermore, a size control model of HNS using coaxial microfluidics was established based on experimental data. This study demonstrates an efficient, safe strategy to realize the size- and uniformity-controllable preparation of explosives.

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Source Journal

Reaction Chemistry & Engineering

Reaction Chemistry & Engineering
CiteScore: 0
Self-citation Rate: 8.8%
Articles per Year: 284

Reaction Chemistry & Engineering is an interdisciplinary journal reporting cutting-edge research focused on enhancing the understanding and efficiency of reactions. Reaction engineering leverages the interface where fundamental molecular chemistry meets chemical engineering and technology. Challenges in chemistry can be overcome by the application of new technologies, while engineers may find improved solutions for process development from the latest developments in reaction chemistry. Reaction Chemistry & Engineering is a unique forum for researchers whose interests span the broad areas of chemical engineering and chemical sciences to come together in solving problems of importance to wider society. All papers should be written to be approachable by readers across the engineering and chemical sciences. Papers that consider multiple scales, from the laboratory up to and including plant scale, are particularly encouraged.

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