Abstract: Principles of surface and interface chemistry and it mathematical expression were briefly introduced Based on it , a new idea to design functional agents of solid propellant ,and a effective method to test the surface performance and to forecast the interface performance were put forward

Key words: Composite prepellant;Mechanical performance;Propellant rheology;Surface chemistry;Interfacial tension;Interfacial energy

摘要： 从表界面化学基本原理出发,进行一些数理上的推导,探寻出复合固体推进剂各组份表面张力及极性分量的测试方法,并对各种组份间的界面张力和界面粘附功进行了估算,从而对固体推进剂药浆流变性能和药柱的力学性能进行了预估,同时为界面改性研究和功能助剂研究提供了理论依据。

关键词: 复合推进剂;力学性能;推进剂流变学;表面化学;界面张力;界面能