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A study of the effect of chemical treatments on areca fiber reinforced polypropylene composite properties

机译:化学处理对槟榔纤维增强聚丙烯复合材料性能的影响研究

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Areca fibers have a great prospect in the polymer composite field since they possess superior properties like being light weight, strong and having high strength-to-weight ratio. In addition, areca fibers are biodegradable, non-toxic and eco-friendly and have low maintenance cost. In this research work, areca fibers were subjected to chemical treatments such as NaOH, KMnO_(4), C_(6)H_(5)COCl and H_(2)C=CHCOOH to reduce the hydrophilic nature of areca fibers and to improve interfacial adhesion between areca fibers and thermoplastic polypropylene matrix, so that areca-polypropylene composites with improved properties can be obtained. The untreated and all chemically treated areca-polypropylene composites with 30%, 40%, 50%, 60% and 70% fiber loadings were fabricated by the compression molding technique. Investigations of tensile, flexural and impact properties of areca fiber reinforced polypropylene composites were done under given fiber loadings by following American Standard for Testing Materials (ASTM) standard procedures. Amongst all untreated and chemically treated areca-polypropylene composites, acrylated areca-polypropylene composites with 60% fiber loading showed higher tensile and flexural strength values and with 50% fiber loading showed higher impact strength values. Hence, chemically treated areca-polypropylene composites can be considered as a very promising material for the fabrication of lightweight material industries.
机译:槟榔纤维在聚合物复合材料领域具有广阔的前景,因为它们具有重量轻,强度高和高强度重量比等优异性能。另外,槟榔纤维是可生物降解的,无毒的并且是生态友好的并且维护成本低。在这项研究工作中,对槟榔纤维进行了化学处理,例如NaOH,KMnO_(4),C_(6)H_(5)COCl和H_(2)C = CHCOOH,以降低槟榔纤维的亲水性并改善界面槟榔纤维与热塑性聚丙烯基体之间的粘附性,从而可以得到具有改善性能的槟榔-聚丙烯复合材料。通过压缩成型技术制造了具有30%,40%,50%,60%和70%的纤维负载量的未处理和所有化学处理的槟榔聚丙烯复合材料。槟榔纤维增强聚丙烯复合材料的拉伸,弯曲和冲击性能的研究是在给定的纤维负载下,按照美国试验材料标准(ASTM)的标准程序进行的。在所有未处理和化学处理的槟榔聚丙烯复合材料中,纤维含量为60%的丙烯酸酯化的槟榔聚丙烯复合材料显示出较高的拉伸强度和挠曲强度值,而纤维含量为50%的丙烯酸酯化的槟榔聚丙烯复合材料则显示出较高的冲击强度值。因此,化学处理的槟榔聚丙烯复合材料可以被认为是制造轻质材料工业的非常有前途的材料。

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