| 1. | Polynitropolyphenylene ( pnp ) , as binder , has high heat - resistance , with three nitryl groups at 1 - , 3 - , 5 - position in a phenyl ring . pnp , distinguished by property of low crystallization , which can be compatible with plasticizer , has a formation heat of 164 . 3j / g and high oxygen content 它不容易结晶,易于成膜,能与多种增塑剂相容; pnp的生成热为164 . 3j g ,具有较高的氧含量, pnp能很好的解决火炸药能量和安全性能之间的矛盾。 |