Utilization of Areca Nut Leaf Sheath Fibers for the Extraction of Cellulose Whiskers

In this study, cellulose whiskers were extracted from an agricultural plant waste, Areca Nut Leaf Sheath, by employing a sulfuric acid hydrolysis method. The effect of hydrolysis time and temperature on the morphology, crystallinity, and degree of polymerization of the resultant cellulose particles...

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Bibliographic Details
Published in:Journal of natural fibers 2021-09, Vol.18 (9), p.1261-1273
Main Authors: Elanthikkal, Silviya, Francis, Tania, Akhtar, Sultan
Format: Article
Language:English
Subjects:
acid hydrolysis
Agricultural wastes
Areca
Areca nut leaf sheath fibers
Aspect ratio
biosilica
Cellulose
cellulose whiskers
Crystal structure
Crystalline cellulose
Crystallinity
Degree of polymerization
effect of hydrolysis conditions
Fibers
Hydrolysis
Leaves
Morphology
Nuts
Plant extracts
Sheaths
Sulfuric acid
槟榔叶鞘纤维
水解条件的影响
生物矿化硅
纤维素晶须
聚合度
酸水解
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Summary:In this study, cellulose whiskers were extracted from an agricultural plant waste, Areca Nut Leaf Sheath, by employing a sulfuric acid hydrolysis method. The effect of hydrolysis time and temperature on the morphology, crystallinity, and degree of polymerization of the resultant cellulose particles was studied. Highly crystalline cellulose whiskers with an aspect ratio around 20 were obtained under moderate conditions of hydrolysis by maintaining the temperature at 45°C and hydrolysis time of 180 min. However, on increasing the temperature and time of hydrolysis, surface flattening of fibers was observed and aspect ratio was decreased. Isolated cellulose whiskers were found to contain traces of biosilica.
ISSN:1544-0478
1544-046X
DOI:10.1080/15440478.2019.1689885