Statistical approach to explore sustainable characteristics of cellulosic Desmostachya bipinnata fiber and its chemically modified conditions

IF 1.8 4区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY
David Gnanaraj J, Vignesh V, Mohamed Hashem and Hassan Fouad
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Abstract

This present work has been intended to investigate the properties of an extracted Desmostachya bipinnata fibers (DBFs). The unmodified/untreated (raw), 10% sodium hydroxide (NaOH) and 0.5% potassium permanganate(KMnO4)chemically modified/treated Desmostachya Bipinnata fibers are explored to establish the possibility of designing a large scale natural product or fiber/reinforcement. The raw, alkaline treated and potassium permanganate treated Desmostachya bipinnata fibers are designated as Raw Desmostachya Bipinnata Fibers, Alkali treated Desmostachya Bipinnata Fibers and Potassium Permanganate treated Desmostachya Bipinnata Fibers as samples, respectively. Mechanical, thermal and physio-chemical behaviors and surface morphology of both RDBF and treated Desmostachya Bipinnata Fibers are analyzed. From the results obtained, it is evident that an increase in aspect ratio, due to the diameter reduction by alkalization process, has exhibited high tensile strength with minimum density. The Fourier Transform Infrared Spectroscopy results have shown variation of chemical bonding, due to different chemical treatments of DBFs. Summarily, the maximum values of Crystallinity Index (CI) and activation energy are obtained with Alkali treated Desmostachya bipinnata fibers sample.
用统计方法探索纤维素双峰草纤维的可持续特性及其化学改性条件
本研究旨在调查提取的双峰菊纤维(DBFs)的特性。研究了未经改性/未处理(原纤维)、10% 氢氧化钠(NaOH)和 0.5% 高锰酸钾(KMnO4)化学改性/处理的双峰草纤维,以确定设计大规模天然产品或纤维/增强材料的可能性。原始、碱处理和高锰酸钾处理的双峰草纤维分别称为原始双峰草纤维、碱处理双峰草纤维和高锰酸钾处理双峰草纤维样品。分析了 RDBF 和经处理的双峰草纤维的机械、热和物理化学行为以及表面形态。从获得的结果可以看出,由于碱化过程使直径减小,长径比增加,从而表现出较高的抗拉强度和最小的密度。傅立叶变换红外光谱分析结果表明,由于对 DBF 进行了不同的化学处理,其化学键发生了变化。总之,碱处理过的双峰草纤维样品的结晶度指数(CI)和活化能值最大。
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来源期刊
Materials Research Express
Materials Research Express MATERIALS SCIENCE, MULTIDISCIPLINARY-
CiteScore
4.50
自引率
4.30%
发文量
640
审稿时长
12 weeks
期刊介绍: A broad, rapid peer-review journal publishing new experimental and theoretical research on the design, fabrication, properties and applications of all classes of materials.
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