A thermoplastic polyurethane elastomer(TPUE) which has good miscibility with NG is synthesized and used in thermoplastic composite solid propellant propellant(TCSP).

• 采用与硝化甘油(NG)具有良好相溶性的热塑性聚氨酯弹性体(TPUE)为粘合剂制备了热塑性复合固体推进剂。