Self-reinforced polypropylene sheets (1?5mm thickness) have been prepared using a conventional extruder and a conical die from continuous melt extrusion.

• 采用普通挤出机与收敛式挤出机头，通过熔体连续挤出的方法制备了厚度为1.；5mm的自增强聚丙烯（PP）片材。