MAPO 提高丁羟推进剂伸长率条件的研究

STUDY ON CONDITION OF ELONGATION INCREASING OF HTPB PROPELLANT USING MAPO

关键词:  端羟基聚丁二烯推进剂  推进剂粘合剂  键合剂  延伸率

Key words:  Hydroxy terminated polybutadiene propellant  Propellant binder  Bonding agent  Extensibility

摘要:

丁羟粘合剂的高熵弹性和与ＡＰ界面的高粘结强度是丁羟推进剂具有高伸长率的必要条件。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；扩链剂的存在不是键合剂ＭＡＰＯ提高丁羟推进剂伸长率的必要条件。

Abstract:

The necessary conditions to possess high elongation for HTPB propellants are high entropy elasticity of HTPB binder and strong interface adhesion between HTPB binder and AP particles.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.The existence of any extender is not necessary for increasing the elongation of HTPB propellants by bonding agent MAPO.