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采用密闭爆发器实验方法，研究了ＰＮＰＰＶＢ配比及粘结剂中溶剂对无壳弹发射药燃烧性能的影响。结果表明： 粘结剂中采用含有甲乙酮的混合溶剂能增大无壳弹发射药的燃烧速度，适当增大ＰＮＰＰＶＢ之比值，可较好地改善无壳弹发射药的燃烧性能。
The effects of PNPPVB ratio and the solvent in the binder on the combustion performance of shell-free projectiles were investigated by a closed-cell burst method. The results show that the mixed solvents containing methyl ethyl ketone can increase the burning rate of shell-less projectiles, and the ratio of PNP to PVB can be increased properly to improve the combustion performance of shell-free projectiles.