https://orcid.org/0000-0001-7420-5058
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ABSTRACT
Natural fibers are being extensively used in recent technological and structural applications due to the need for biodegradable materials. This paper deals with extraction of new cellulosic fiber from the stem of Nelumbo nucifera (Nn) (lotus) and the investigations via physical, structural and thermal properties on the alkali-treated fiber were carried out. The XRD analysis of the Nn fiber provides the crystallinity index of about 52.53% that implies its high crystalline structure and own associated strength. The FTIR analysis proves the presence of alcoholic and alpha keto carboxylic acid in Nn fiber. Thermal stability of Nn composite is found around 210°C and the TGA results prove that the extracted as well as alkali-treated fibers provide a good reinforcement to the matrix, which can be well synthesized mechanically improved biocomposites. Test samples of three different weight % of Nn fiber with the epoxy basement are designated as L10, L15 and L20 to measure the tensile and flexural strength. Test sample with L20 as weight % exhibits better Young’s and flexural modulus. Alkali treated Nn composite is an important candidate for the natural fiber reinforcement and such a category can serve as a good material for household applications.
抽象:
由于需要生物降解材料，天然纤维正广泛应用于最近的技术和结构应用. 本文论述了从Nelumbo nucifera（Nn）（莲花）茎中提取新的纤维素纤维，并进行了碱处理纤维的物理、结构和热特性的研究. Nn纤维的XRD分析提供约52.53%的结晶指数，这意味着其高晶体结构和自身相关强度. FTIR 分析证明 Nn 纤维中存在酒精和α酮碳氧酸. Nn复合材料的热稳定性在210oC左右，TGA结果表明，提取的和碱处理的纤维对基体提供了很好的强化，可以很好地合成机械改进的生物复合材料. 使用环氧基底的 Nn 纤维三个不同重量 % 的测试样品被指定为 L10、L15 和 L20，用于测量拉伸和弯曲强度. 以L20为重量的试验样品表现出更好的杨和弹性模量. 碱处理Nn复合材料是天然纤维增强的重要候选材料，此类产品可作为家庭应用的好材料.
Correction Statement
This article has been republished with minor changes. These changes do not impact the academic content of the article.