Maleic anhydride(MAH) and styrene(St) melt-grafting onto polypropylene(PP) was conducted in haake torque rheometer and twin screw extruder.

• 在哈克流变仪和双螺杆挤出机对苯乙烯(St)/马来酸酐(MAH)/聚丙烯(PP)熔融接枝进行了研究。