The result of WAXS and DSC measurements showed that the PET/PEN melt blended samples were amorphous before being hot drawn. But they were able to be crystallized, when they were heated and/or hot drawn.

• WAXS、DSC、DMTA测试结果表明，热拉伸处理前共混物中两组分主要为无定形态，经过热拉伸后，PET与PEN两组分能够分别结晶。