The structure and properties of the PPP/ PU, alkylated PPP/PU blend materials are analyzed by FTIR, XRD, SEM and TGA.

• 通过红外吸收光谱、X射线衍射、电子扫描显微等手段对聚氨酯/聚苯撑与聚氨酯/改性PPP的结构和形貌进行表征。