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首页> 外文期刊>Journal of natural fibers >Influence of Surgarcane Bagasse Fibers with Modified Surface on Polypropylene Composites
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Influence of Surgarcane Bagasse Fibers with Modified Surface on Polypropylene Composites

机译：表面改性甘蔗渣纤维对聚丙烯复合材料的影响

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摘要

Sugarcane bagasse fibers were pre-treated with sulfuric acid solution to improve the mechanical properties of polypropylene (PP) composites for automotive parts. It was used maleic anhydride grafted polypropylene (PP-g-MA) as coupling agent. Fibers were characterized by the techniques of scanning electron microscopy (SEM) and Fourier Transform Infrared (FTIR) spectroscopy. The chemical composition of fibers was also evaluated. PP was mixed to fibers, in proportions of 5 to 10% (wt/wt) using a thermokinetic mixer model MH-50H. Furthermore tensile specimens were prepared for evaluation of mechanical properties by tensile test. Pre-treatment fibers permitted the removal of other components from sugarcane bagasse. The chemical treatment reduced some of the fibers amorphous components, causing changes in their surface.
机译：用硫酸溶液对甘蔗渣纤维进行预处理，以改善用于汽车部件的聚丙烯（PP）复合材料的机械性能。使用马来酸酐接枝聚丙烯（PP-g-MA）作为偶联剂。纤维通过扫描电子显微镜（SEM）和傅立叶变换红外（FTIR）光谱技术进行表征。还评估了纤维的化学组成。使用型号为MH-50H的热动力混合器将PP以5至10％（wt / wt）的比例混合到纤维中。此外，制备拉伸试样以通过拉伸试验评价机械性能。预处理纤维可以从甘蔗渣中去除其他成分。化学处理减少了一些纤维的非晶态成分，导致其表面发生变化。

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