Application of 1,3-Dipolar Cycloaddition in Azide Propellants
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1,3-dipolar cycloaddition reaction was introduced. This reaction can be used in the modification of side chain of glycidyl azide polymer (GAP), cure of azides, and GAP propellant. It is shown that 1,3-dipolar cycloaddition is insensitive to water. Propellant based on this reaction can cure at 45-65 ℃. The problems of stability and compatibility between new curing age and high energy ingredient were solved, and low impact and firction sensitivity propellant could be obtained. As introduction of large group to the side chain, the mechanical property of this new propellant is relatively low. To improve this performance, modification crosslinking density and tacticity should be concerned.
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陈炉洋,唐承志,李忠友,等.1,3-偶极环加成反应在叠氮推进剂中的应用[J].含能材料,2011,19(4):469-472. CHEN Lu-yang, TANG Cheng-zhi, LI Zhong-you, et al. Application of 1,3-Dipolar Cycloaddition in Azide Propellants[J]. Chinese Journal of Energetic Materials,2011,19(4):469-472.