Physico-chemical and conductivity studies of microcrystalline cellulose (MCC) extracted from oil palm fronds as a susceptible filler in PLA-LiTFSI polymer electrolyte

Mohamad Abu Bakar, . and Ibrahim Bello, . and Ahmad Azmin Mohamad, . and M. Hazwan Hussin, . and Tuan Sherwyn Hamidon, . and M. K. Mohamad Haafiz, . Physico-chemical and conductivity studies of microcrystalline cellulose (MCC) extracted from oil palm fronds as a susceptible filler in PLA-LiTFSI polymer electrolyte. pp. 271-285. ISSN 1511-2780

The journey for sustainable solutions in the environment to create safe cheap and assessable materials in society requires the use of more plant-based natural fibres in the industry. In this work the acid hydrolysis process was adopted to isolate organosolv-microcrystalline cellulose (MCC) from oil palm fronds (OPF). Complementary analyses such as cross polarisation/magic angle spinning nuclear magnetic resonance (CP/ MAS C NMR) Fourier transform infrared spectroscopy (FT-IR) differential scanning calorimetry (DSC) thermogravimetric analysis (TGA) gel permeation chromatography (GPC) and X-ray diffraction (XRD) revealed extracted MCC bear a resemblance to commercial-MCC. Polymer solution casting technique was adopted to prepare different ratios of MCC-polylactic acid (PLA)-lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) solid polymer electrolytes and electrical conductivities of polymer electrolyte films were investigated through electrochemical impedance spectroscopy (EIS). BO5 (organosolv-MCC-PLA-20 wt LiTFSI) showed the maximum ionic conductivity of 1.25 x 10-�S cm- while 5 wt 1-butyl-3-methylimidazolium chloride (BMIMCl) ionic liquid added revealed a positive effect of BMIMCl on the ionic conductivity of the polymer electrolyte yielding a higher conductivity of 2.3 x 10-� S cm-.

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Abstract

The journey for sustainable solutions in the environment to create safe cheap and assessable materials in society requires the use of more plant-based natural fibres in the industry. In this work the acid hydrolysis process was adopted to isolate organosolv-microcrystalline cellulose (MCC) from oil palm fronds (OPF). Complementary analyses such as cross polarisation/magic angle spinning nuclear magnetic resonance (CP/ MAS C NMR) Fourier transform infrared spectroscopy (FT-IR) differential scanning calorimetry (DSC) thermogravimetric analysis (TGA) gel permeation chromatography (GPC) and X-ray diffraction (XRD) revealed extracted MCC bear a resemblance to commercial-MCC. Polymer solution casting technique was adopted to prepare different ratios of MCC-polylactic acid (PLA)-lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) solid polymer electrolytes and electrical conductivities of polymer electrolyte films were investigated through electrochemical impedance spectroscopy (EIS). BO5 (organosolv-MCC-PLA-20 wt LiTFSI) showed the maximum ionic conductivity of 1.25 x 10-�S cm- while 5 wt 1-butyl-3-methylimidazolium chloride (BMIMCl) ionic liquid added revealed a positive effect of BMIMCl on the ionic conductivity of the polymer electrolyte yielding a higher conductivity of 2.3 x 10-� S cm-.

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Item Type:	Article
AGROVOC Term:	Cellulose
AGROVOC Term:	Extraction
AGROVOC Term:	Hydrolysis
AGROVOC Term:	Oil palm
AGROVOC Term:	Leaves
AGROVOC Term:	Physicochemical properties
AGROVOC Term:	Electrical conductivity
AGROVOC Term:	Electrolytes
Depositing User:	Mr. AFANDI ABDUL MALEK
Last Modified:	24 Apr 2025 00:54
URI:	http://webagris.upm.edu.my/id/eprint/9170

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