Extracción de celulosa y obtención de nanocelulosa a partir de fibra sisal

J. MORÁN; V. ALVAREZ; V. P. CYRAS; A. VAZQUEZ

Mar del Plata, Argentina

Jornada; Semana de la Ciencia y la Tecnología; 2007

Universidad Nacional de Mar del Plata

In this work a study on the feasibility of extracting cellulose from sisal fiber, by means of two different procedures was carried out. These processes included usual chemical procedures such as acid hydrolysis, chlorination, alkaline extraction, and bleaching. The final products were characterized by means of Thermogravimetric Analysis (TGA), Infrared Spectroscopy (FTIR), X-Ray Diffraction (XRD), Differential Scanning Calorimetry (DSC) and Scanning Electronic Microscopy (SEM).  The extraction procedures that were used led to purified cellulose. Advantages and disadvantages of both procedures were also analyzed.  Finally, nano-cellulose was produced by the acid hydrolysis of obtained cellulose and characterized by Atomic Force Microscopy (AFM).