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首页> 外文期刊>Composite interfaces >Aggregation level and interfacial interactions of nano-Sb2O3/PBT composites: effect of high energy ball milling and amount of the nanofiller
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Aggregation level and interfacial interactions of nano-Sb2O3/PBT composites: effect of high energy ball milling and amount of the nanofiller

机译：纳米SB2O3 / PBT复合材料的聚集水平和界面相互作用：高能球铣削的影响和纳米填充物的量

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摘要

In this paper, nano-Sb2O3 particles and poly(butylene terephthalate) (PBT) composite powders were dispersed by high energy ball milling method, and then the nano-Sb2O3/PBT composites were prepared by a twin screw extruder. The effects of milling time on the aggregation level and interfacial interactions between nano-Sb2O3 particles and PBT matrix are qualitatively characterized by scanning electron microscopy (SEM), energy dispersive X-ray analyses (EDX) and differential scanning calorimetry (DSC) and quantitatively analyzed by tensile strength and Young's modulus of nanocomposites. The qualitatively results showed that the dispersion and compatibility of nano-Sb2O3 particles within PBT matrix were improved with the increased milling time. From the quantitatively analysis, the aggregation level of nano-Sb2O3 particles within PBT matrix increased with the increased nano-Sb2O3 particles content but it decreased with the increased milling time. Therefore, better dispersed nanocomposites were obtained by the ball milling process which increased the interfacial area between nano-Sb2O3 particles and PBT matrix. As a result, the interfacial interactions between nano-Sb2O3 particles and PBT matrix were significantly improved.
机译：本文通过高能球铣削方法分散纳米Sb2O3颗粒和聚（对苯二甲酸丁二醇酯）（PBT）复合粉末，然后通过双螺杆挤出机制备纳米Sb2O3 / PBT复合材料。通过扫描电子显微镜（SEM），能量分散X射线分析（EDX）和差示扫描量热法（DSC）和定量分析，定性表征铣削时间对聚集水平和PBT基质之间的聚集水平和界面相互作用的影响。和数量地分析通过拉伸强度和杨氏模量的纳米复合材料。定性结果表明，随着研磨时间的增加，PBT基质内纳米Sb2O3颗粒的分散和相容性得到改善。从定量分析中，PBT基质内纳米Sb2O3颗粒的聚集水平随纳米-Sb2O3颗粒含量的增加而增加，但随着轧轧时间的增加而降低。因此，通过纳米-SB2O3颗粒和PBT基质之间的界面区域增加了更好的分散的纳米复合材料。结果，纳米-SB2O3颗粒和PBT基质之间的界面相互作用显着改善。

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