Through applying a temperature gradient AT to the melt extru-date from the die and cool it quickly with sizing equipment, a sandwich structure of PE rich/PEO rich/ PE rich was generat...

• 并通过偏光显微镜和显微傅立叶变换红外光谱仪分析,明确了挤出成型过程中形成梯度结构的驱动力是由温度梯度引发的热扩散索雷特效应。