To investigate the mechanism of toughening and reinforcement,ATR-FTIR and TEM were used to analysis chemical and morphology structures of HBPE/HTPB polyurethane interpenetrating polymer network(IPN).

• 利用衰减全反射傅立叶变换红外光谱(ATR-FTIR)和透射电镜分析互穿聚合物网络的化学结构和微相结构,以确定超支化聚合物对丁羟聚氨酯的增强增韧机理。