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Study on Properties of High-Nitrogen Single-Base Propellant Prepared from a Solvent Containing N-Butylacetate

BIN XU, AIPING YU, BINBIN WANG, XIN LIAO

Abstract


In order to improve the mechanical properties of single-base propellant with high nitrogen content, 3% by weight of n-butyl acetate was added as an auxiliary solvent to the alcohol ketone mixed solvent to plasticize the high-nitrogen nitrocellulose in the propellant preparation. The test results of mechanical properties and combustion performance showed that the addition of n-butyl acetate significantly improved the mechanical properties of highnitrogen single-base propellant, but reduced some energy. Therefore, 3%wt of RDX was then added to compensate for this energy loss. The test results showed that the propellant finally obtained maintained its energy, and its impact strength at -40℃ was increased by 10.29% compared with the original sample.


DOI
10.12783/ballistics2019/33049

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