Maleic anhydride grafted poly(lactic acid)(MPLA)was prepared by twin-screw reactive extruder,the processing technology of extrusion was studied,and the property of the prepared product was tested.

• 利用双螺杆挤出机制备马来酸酐接枝聚乳酸(MPLA)材料。研究了反应挤出工艺并测试了接枝产物的性能。