Nano-meter organ o-mo ntmorillonite (OMMT)/PP composite was prep ared by means of melt blending and extrusion by the using of twin-screw extruder and si ngle screw extruder respectively.

• 采用双螺杆熔融混合造粒和单螺杆挤出制样的方法制备了纳米有机蒙脱土(OMMT)/PP复合材料。