【摘要】 用熔融挤出法制备了不同接枝率的官能团化聚丙烯（ＦＰＰ），研究了ＦＰＰ对改性的Ａｌ（ＯＨ）３／ＰＰ复合 材料的力学性能与断裂形态的影响、并对ＦＰＰ在复合材料中作用机理进行了初步探讨．观察到随Ａｌ（ＯＨ）３ 用量增加，ＰＰ的拉伸强度和弯曲强度逐渐降低，断裂伸长率明显降低．ＦＰＰ加入有利于Ａｌ（ＯＨ）３／ＰＰ复合材 料力学性能改善、填料分散和增强填料与基体界面相互作用，尤其在高填料中功效更加明显．更多还原

【Abstract】 Al(OH)3/polypropylene grafted with acrylic acid (FPP) were pre- pared by melt extrusion .Effects of functionalized polypropylene (FPP) on mechanical properties and fracture mor- phology of Al(OH)3/PP composites have been investigated. although the addition of Al(OH)3 reduces tensile and flexural strength and elongation at break of PP, the addition of FPP can improve the mehanical properties of Al (OH)3/PP composites. It is suggested that the addition of FPP improves the dispersion of Al(OH)3 particles and the interfacial interaction between filler and matrix. the mechanical properties of Al(OH)2/FPP/PP composites are dependent on the grafting rate and the content of FPP.更多还原