Isolation and characterization of regenerated cellulose films using microcrystalline cellulose from oil palm empty fruit bunch with an ionic liquid

There is increasing interest in regenerated cellulose (RC) films for advanced manufacturing applications using natural polymers and renewable materials. In this study, RC films were isolated via solution casting process using microcrystalline cellulose (MCC) and the ionic liquid 1-butyl-3-methylimid...

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Bibliographic Details
Published in:Bioresources 2020-11, Vol.15 (4), p.8268-8290
Main Authors: Weerasooriya, P. R. D., Abdul Khalil, H. P. S., Mohd Kaus, Noor Haida, Sohrab Hossain, Md, Hiziroglu, Salim, Nurul Fazita, M. R., Gopakumar, Deepu A., Mohamad Haafiz, M. K.
Format: Article
Language:English
Subjects:
Acids
Analytic hierarchy process
Analytical methods
Cellulose
Chlorine
Crystalline cellulose
Degree of crystallinity
Experiments
Fruits
Hydrogen bonds
Ionic liquids
Ions
Lignin
Lignocellulose
Mechanical properties
Morphology
Natural polymers
Opacity
Packaging
Permeability
Physicochemical properties
Polymers
Pulping
Renewable resources
Solvents
Stability analysis
Tensile strength
Thermal stability
Thin films
Water vapor
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Summary:There is increasing interest in regenerated cellulose (RC) films for advanced manufacturing applications using natural polymers and renewable materials. In this study, RC films were isolated via solution casting process using microcrystalline cellulose (MCC) and the ionic liquid 1-butyl-3-methylimidazolium chloride ([BMIM]Cl). Initially, MCC was synthesized from oil palm empty fruit bunch using total chlorine-free (TCF) pulping and acid hydrolysis. Effects of MCC on the structures and physicochemical properties of the isolated RC films were determined for 4 wt%, 6.5 wt%, and 9 wt% of MCC at 80 °C. Several analytical methods were employed to evaluate degree of crystallinity, chemical stability, mechanical properties, morphology, opacity, water vapor permeability, and thermal stability of the RC films. The results showed that the addition of 6.5 wt% of MCC yielded the greatest tensile strength. Compared with the RC films with 6.5 wt% of MCC, thermal stability and water vapor permeability slightly increased when the MCC content was 9 wt%. According to the analytic hierarchy process (AHP), 6.5 wt% of MCC was the optimum MCC concentration to mix with [BMIM]Cl to manufacture RC films for packaging applications, while 9 wt% of MCC was ideal for photocatalytic and electrically conductive thin film applications.
ISSN:1930-2126
1930-2126
DOI:10.15376/biores.15.4.8268-8290