The experiment result shows that only when HTPB binder has high entropy elasticity can the addition of bonding agent MAPO increase the elongation of HTPB propellants obviously.

• 实验研究的结果表明：只有当丁羟粘合剂具有高的熵弹性时，加入键合剂MAPO才能显著提高丁羟推进剂的伸长率；