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Performance of nylon 6 composites reinforced with modified agave fiber: Structural, morphological, and mechanical features

机译:用改性龙舌兰纤维增强尼龙6复合材料的性能:结构,形态和机械特征

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摘要

Nylon 6 (Ny6) composites reinforced with treated agave fiber (AF) at different concentrations (5-20 wt%) were achieved by melt mixing process at 250 degrees C, without the addition of any compatibilizing or coupling agents, and characterized in terms of their structural, morphological, and mechanical properties. The alkaline-ultrasound (NaOH-U) treatment in AF resulted in the removal of the low thermal stability components (pectin and hemicellulose), concentrating the cellulose fraction, and favoring the crystallinity percentages (X-c) of the Ny/AF composites. Moreover, the interfacial interactions between functional groups of agave fiber and Ny6 resulted in the increase Young's modulus (18.8%), flexural strength (11.3%), and density (3.7%). These findings could be useful when looking for potential applications in the mobility industry.
机译:在不添加任何增容剂或偶联剂的情况下,在250℃下通过熔融混合工艺获得了不同浓度(5-20 wt%)经处理的龙舌兰纤维(AF)增强的尼龙6(Ny6)复合材料,并对其结构、形态和机械性能进行了表征。在AF中进行碱性超声波(NaOH-U)处理可去除低热稳定性组分(果胶和半纤维素),浓缩纤维素部分,并有利于Ny/AF复合材料的结晶度百分比(X-c)。此外,龙舌兰纤维官能团与Ny6之间的界面相互作用导致杨氏模量(18.8%)、弯曲强度(11.3%)和密度(3.7%)增加。这些发现在移动行业寻找潜在应用时可能很有用。

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