Comparative Evaluation of Chemical Treatment on the Physical and Mechanical Properties of Areca Frond, Banana, and Flax Fibers

The present work aims to understand the effect of chemical treatment on the physical and mechanical characteristics of the natural fibers, namely, areca frond fibers, banana, and flax fibers. Chemical reagents viz. sodium bicarbonate, potassium permanganate, and chromium sulfate were used for surfac...

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Bibliographic Details
Published in:Journal of natural fibers 2022-04, Vol.19 (4), p.1531-1543
Main Authors: Shenoy Heckadka, Srinivas, Nayak, Suhas Yeshwant, Joe, Thomas, Zachariah N, Jacob, Gupta, Sonia, Kumar N V, Anil, Matuszewska, Marta
Format: Article
Language:English
Subjects:
Areca frond fibers
banana fibers
Cellulose
Chemical treatment
Chromium
Chromium salts
chromium sulfate
Cytology
Fibers
Fibrils
Flax
flax fibers
Fourier analysis
Fourier transforms
Fronds
Functional groups
Hemicellulose
Infrared analysis
Infrared spectroscopy
Mechanical properties
Physical properties
Potassium
Potassium permanganate
Reagents
Scanning electron microscopy
Sodium
Sodium bicarbonate
Spectrum analysis
Sulfates
Tensile strength
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Summary:The present work aims to understand the effect of chemical treatment on the physical and mechanical characteristics of the natural fibers, namely, areca frond fibers, banana, and flax fibers. Chemical reagents viz. sodium bicarbonate, potassium permanganate, and chromium sulfate were used for surface modifications. Tensile strength of the fibers was determined for analyzing the influence of treatments. Scanning electron microscopy was adopted to visualize the surface morphology. Fourier transform infrared spectroscopy was performed on the fiber specimen to interpret functional group modifications. The research results indicated a decrease in fiber diameter with increase in density of fibers post treatments. For areca frond and flax fibers, chromium sulfate treatment was the most effective while that for banana fibers sodium bicarbonate based treatment turned out to be most effective over the others. Scanning electron microscopy images confirmed clear visibility of fiber inner cell structure, protruding secondary fibrils for treated fibers, reagent coating on the fiber surface was also observed in the case of chromium sulfate-treated samples. Fourier transform infrared spectroscopy analysis showed distinct bands indicating functional group modifications corresponding to cellulose, hemicellulose, and lignin.
ISSN:1544-0478
1544-046X
DOI:10.1080/15440478.2020.1784817