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Experimental Exploration of Properties and Characterization of Nerium oleander L. Plant Stem Fibers and Their Polymer Composites
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DOI：10.3390/polym18151921.png)
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Abstract
En 中文
This study aimed to investigate the physicochemical properties and composites of a novel cellulosic fiber extracted from Nerium oleander L. plant stem. Nerium oleander fibers (NOFs) were separated from mature oleander plants using a microbial degradation technique, and their composites (NOFCs) were fabricated using a compression molding technique. The chemical composition, physical and thermal behavior of NOFs, and mechanical and water absorption properties of NOFs and NOFCs were investigated. The findings show that NOFs have a cellulose content of 57%, hemicellulose content of 13%, lignin content of 16%, density of 1.46 g/cc, and crystallinity index (CI) of 57.14%. The results further revealed that NOFs had a tensile strength of 438 MPa and a strain rate of 1.8%, whereas NOFCs had a maximum tensile strength of 58.42 MPa. NOFs can withstand temperatures up to 357 °C, according to a thermogravimetric study, and the functional groups were analyzed using Fourier-transform infrared (FTIR) spectroscopy. Scanning electron microscopy (SEM) studies showed that the surface morphology and fractured surfaces of the NOFs and their composites were smooth and circular in cross-section.
Keywords:
<i>Nerium oleander</i> fiber
polymer composites
chemical composition
mechanical properties
thermo-gravimetry analysis
Fourier transform infra-red analysis
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