Research Progress of Aluminum Core-shell Materials Coated with Fluorine-containing Polymer Materials

被引：0
|
作者：
Guo X. [1 ]
Zhou J. [1 ]
Li H. [2 ]
Wu C. [1 ]
Fang H. [1 ]
Deng P. [1 ]
Zhu Y. [1 ]
Liu R. [1 ]
机构：
[1] State Key Laboratory of Explosive Science and Technology, Beijing Institute of Technology, Beijing
[2] Liaoning Qingyang Special Chemical Co., Ltd., Liaoning, Liaoyang
来源：
Binggong Xuebao/Acta Armamentarii | 2024年 / 45卷 / 05期
关键词：
aluminum core-shell material; coating; composite solid propellant; fluorinated polymer;
D O I：
10.12382/bgxb.2022.1022
中图分类号：
学科分类号：
摘要：
Aluminum (Al) is the most popular metal additive in the field of composite solid propellants due to its high calorific value, high density and low oxygen consumption. In order to improve the performance of composite solid propellant, it is necessary to take measures to modify Al. In recent years, the fluorine-containing polymer coated Al has attracted wide attention due to its excellent comprehensive properties. This paper introduces the different kinds of metal aluminum core-shell materials coated with fluorine-containing polymer materials, the different coating methods, the properties of aluminum core-shell materials and the mechanism of action of fluorine-containing polymers and aluminum. The enhanced ignition and combustion performances of aluminum core-shell materials are due to the surface reaction between the fluorine-containing polymer and the alumina layer, resulting in a violent oxidation process. At the same time, the combustion agglomeration and combustion efficiency of aluminum core-shell material modified propellant are significantly improved. The problems existing in the research of fluorine-containing polymer coated aluminum materials are discussed, and the conclusion, prospect and possible research direction are put forward. © 2024 China Ordnance Industry Corporation. All rights reserved.
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页码：1534 / 1546
页数：12
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