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Effect of compatibilizer on morphological,thermal and mechanical properties of Starch-Grafted-Polypropylene/Kenaf fibers composites

机译:增容剂对淀粉接枝 - 聚丙烯/ kean纤维复合材料形态学,热和力学性能的影响

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Starch-grafted-polypropylene(starch-g-PP)/kenaf fibres composites were prepared by melt compounding and compression molding.Polypropylene-grafted-maleic anhydrides(MAgPP)were added at different weight contents(1,3 and 5 wt.%)as compatibilizer.The morphological,thermal and mechanical properties of the composites were characterized using thermogravimetric analysis,scanning electron microscopy,tensile and flexural test.The results indicated that mechanical properties of the composites were improved by addition of compatibilizer.From TGA,the thermal stability of the composites with MAgPP was improved compared with the composites without MAgPP.Finally,scanning electron microscopy of fractured surface revealed better adhesion between the fibers and matrix with presence of compatibilizer.
机译:通过熔融配混和压缩模塑制备淀粉接枝 - 聚丙烯(淀粉-G-PP)/ keNAF纤维复合材料。在不同重量含量(1,3和5重量%)下加入聚丙烯 - 接枝 - 马来酸酐(Magpp)作为增容剂。使用热量分析,扫描电子显微镜,拉伸和弯曲试验表征复合材料的形态学,热和力学性能。结果表明,通过加入增容剂,改善了复合材料的力学性能。从TGA,热稳定性与没有Magpp的复合材料相比,改善了具有Magpp的复合材料。最后,裂缝表面的扫描电子显微镜显示纤维和基质在具有增容剂的基质之间更好地粘附。

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