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A Facile Chemical Approach to Isolate Cellulose Nanofibers from Jute Fibers

机译:一种容易化学方法,用于从黄麻纤维中脱离纤维素纳米纤维

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摘要

In this work, Jute fibers (JF) were directly treated with HNO3-NaNO2 (JF/HNO3-NaNO2) mixture and simultaneously with NaOH and HNO3-NaNO2 (JF/NaOH/HNO3-NaNO2) mixture successively to extract cellulose nanofibers (CNFs) in a facile and cost-effective manner. Chemical composition, Morphological, structural, spectroscopic, and thermal analysis was carried out. TEM analysis of CNFs synthesized via JF/NaOH/HNO3-NaNO2 and JF/HNO3-NaNO2 showed an average diameter of 7-9 nm and 9-11 nm, respectively. CNFs obtained from alkali treated fibers possessed remarkable crystallinity of 63.9% as compared to 55.5% from raw fibers. Coexistence of both cellulose I and cellulose II type structures in CNFs via. JF/NaOH/HNO3-NaNO2 marks its inexhaustive applicability in industrial sectors.
机译:在这项工作中,用HNO3-纳米2(JF / HNO3-NANO2)混合物直接用HNO3-纳米(JF / HNO3-NANO2)混合物直接用NaOH和HNO3-纳米2(JF / NaOH / HNO 3-NaNO 2)混合物,以提取纤维素纳米纤维(CNFS)的同时处理以容易和成本效益的方式。进行化学成分,形态学,结构,光谱和热分析。通过JF / NaOH / HNO3-NANO2和JF / HNO3-NANO 2合成的CNF的TEM分析分别显示平均直径为7-9nm和9-11nm。从碱处理纤维中获得的CNF具有显着的结晶度为63.9%,与原料纤维的55.5%相比。纤维素I和纤维素II型结构在CNFS中共存。 JF / NaOH / HNO3-Nano2标志着其在工业领域的无穷无尽的适用性。

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