Synthesis, Morphological Studies of Nanocellulose Fibers of Mango Wood| Chapter 10 | Chemical and Materials Sciences: Research Findings Vol. 6

 

Agricultural biomasses are the prominent natural sources of cellulose currently available on the planet. When this was treated chemically, this acquires the properties such as toughness, good biocompatibility, and higher thermal stability. The purpose of this study is to transform agricultural biomass into value-added material through green synthesis, and hence, the nanocellulose is synthesised from Mango wood. In this study, Nanocellulose was extracted from Mango wood (Mangifera indica), a widely available agricultural biomass. The cellulose was alkali-treated, followed by bleaching to remove lignin and hemicellulose, pectins, and waxes. The green solvent, i.e., Ionic liquid (1-butyl-3-methylimidazolium chloride ([Bmim]Cl) was used to dissolve cellulose to yield Nanocellulose through sonication and centrifugation. FT-IR, X-Ray Diffraction, SEM, TEM, and Thermo Gravimetry studies were used to examine the functionality, crystallinity, and morphology of synthesised nanocellulose. The functional groups and significant conversion of cellulose to nanocellulose are confirmed by FT-IR spectra. The crystallinity of the synthesised nanocellulose is illustrated by XRD. The surface architecture and size obtained are represented by SEM and TEM monographs. The TEM images depict that the synthesised nanocellulose has a dimension between 27.33 and 34.85 nm. The thermal studies evidenced that the synthesised nanocellulose shows superior thermal stability up to 473.8°C. As a result of high thermal resistance, this can be used in the manufacture of high-temperature-resistant materials. Due to their smaller size, these can be used to manufacture high-strength nanocomposites. The efficient conversion of agricultural waste into value-added material is achieved through a greener pathway. This study demonstrates the practical application of nanocellulose synthesised from agricultural biomass, providing a sustainable approach to solid waste management and reducing chemical usage in nanocellulose production in India.

 

 

Author(s) Details

Prasannakumar J K
Department of Chemistry, Bapuji Institute of Engineering and Technology, Affiliated to VTU, Belagavi, Karnataka, India.

 

Krishnakumar T K
Department of Physics, Bapuji Institute of Engineering and Technology, Affiliated to VTU, Belagavi, Karnataka, India.

 

Vijayakumar T N
Department of Mechanical Engineering, Bapuji Institute of Engineering and Technology, Davanagere-577004, Affiliated to VTU, Belagavi, Karnataka, India.

 

Please see the book here :- https://doi.org/10.9734/bpi/cmsrf/v6/6740

Synthesis of Nanocellulose Fibers from Lignocellulosic Biomass in Ionic Liquid: A Novel Approach | Chapter 1 | Recent Developments in Chemistry and Biochemistry Research Vol. 4

The purpose of this study is to synthesize nanocellulose from ragi stalks, mango wood and groundnut husk and to compare their properties using an ionic liquid. As a developing nation, India has battled for decades to comply with global environmental and solid-waste management norms, which has been a significant obstacle. The two most significant natural sources of cellulose on Earth are wood and lignocellulosic crop biomasses. The most popular and extensively used biopolymer in the world after chemical treatment is cellulose, which has excellent toughness, affordability, biocompatibility, and thermal stability.  In this study, nanocellulose was extracted from ragi stalk, mango wood and groundnut husk. The cellulose was alkali-treated with NaOH and bleached with sodium chlorite to remove lignin and hemicellulose. Ionic liquid (1- butyl-3-methylimidazolium chloride ([Bmim]Cl) solvent was used to treat the obtained cellulose. FTIR spectra highlight the functional groups and substantial conversion of cellulose to nanocellulose. The crystalline or semi-crystalline nature of synthesized nanocellulose was illustrated by XRD. The TEM images record the size of synthesized nanocellulose between 11.12 and 31.16 nm. The reduction in size is mainly due to ultrasonication and centrifugation. The thermal stability of the obtained nanocellulose was evidenced using TGA/DTA. The thermal studies insight that the synthesized nanocellulose samples possess superior degradation temperatures up to 473.8 ºC. This research seeks to demonstrate the remarkable practical applications of synthesized nanocellulose from agricultural biomass, which will undoubtedly meet India’s need for solid waste management and reduce chemical waste through a more realistic approach to nanocellulose manufacturing.

 

Author (s) Details

J.K. Prasannakumar
Research Centre, Department of Chemistry, Bapuji Institute of Engineering and Technology (Affiliated to Visvesvaraya Technological University, Belagavi), Davangere-577004, India.

 

G.K. Prakash
Department of Chemistry, Sri Taralubalu PU College, Davangere-577004, India.

 

B. Suresh
Department of Civil Engineering, Bapuji Institute of Engineering and Technology (Affiliated to Visvesvaraya Technological University, Belagavi), Davangere-577006, India.

 

B.E. Basavarajappa
Research Centre, Department of Chemistry, Bapuji Institute of Engineering and Technology (Affiliated to Visvesvaraya Technological University, Belagavi), Davangere-577004, India.

 

H.S. Onkarappa
Department of Chemistry, G.M. Institute of Technology (Affiliated to Visvesvaraya Technological University, Belagavi), Davanagere-577006, India.

 

Bharath K. Devendra
Department of Chemistry, M.S. Ramaiah College of Arts, Science and Commerce, MSR Nagar, MSRIT Post, Bengaluru-560054, India.

 

S.G. Prasannakumar
Department of Chemistry, M.S. Ramaiah College of Arts, Science and Commerce, MSR Nagar, MSRIT Post, Bengaluru-560054, India.

 

 

Please see the book here:- https://doi.org/10.9734/bpi/rdcbr/v4/387