The results indicated that PBT and PET crystallized according to their own cell unit, amorphous phase between crystallization phase are miscible.The morphology of the blends changes with compositions.

• 动态力学分析结果表明，PBT、PET两组分晶区之间的无定型部分仍具有相容性，共混体系的形态结构因组分比不同而变化。