Abstract
Cellulose nanofibers (CNF) have been extracted from agave cantala fibers by using chemical-ultrasonic treatment. The raw fibers have been subjected to alkali and bleaching treatments followed by acid-hydrolysis. The characteristics of cantala fibers such as their morphology through scaning electron microscope (SEM), Transmission electron micrsoscop (TEM), fourier transform analysis (FTIR), x-ray diffraction (XRD) and thermogravimetric analysis (TGA) have been analyzed. The CNF extracted from cantala fiber had uniform diameters of 45-50 nm with 800-2000 nm in lengths. Change in the FTIR spectra of CNF indicated that hemicellulose and lignin were significantly removed during chemical treatment. The crystallinity index of CNF increased when chemical treatment followed by optimum-time ultrasonic treatment was applied. The TGA discovered that CNF was stable until 271 oC. Based on the properties, the CNF would be suitable for reinforcement of nanocomposites.
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