研究了在引发剂过氧化二异丙苯(DCP)作用下,以甲基丙烯酸缩水甘油酯(GMA)为相容剂,通过双螺杆挤出"一步法"实现了淀粉(ST)的热塑化及其与聚丙烯(PP)共混增容,制备了PP/ST共混材料,并对共混材料性能进行了表征.结果表明,在相同配比共混体系中,GMA或GMA与共单体苯乙烯(St)的加入使ST颗粒在PP中的分散性获得明显改善、力学性能及热稳定性均得到提高.
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