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Cellulosic Films Obtained from the Treatment of Sugarcane Bagasse Fibers with N-methylmorpholine-N-oxide (NMMO) |
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| Authors: | Denise S Ruzene Daniel P Silva António A Vicente José A Teixeira Maria T Pessoa de Amorim Adilson R Gonçalves |
| Institution: | 1. Department of Biotechnology, Engineering School of Lorena, University of S?o Paulo, P.O. Box 116, 12602-810, Lorena, S?o Paulo, Brazil 2. IBB—Institute for Biotechnology and Bioengineering, Center of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal 3. Department of Textile Engineering, Center of Science and Textile Technology, University of Minho, 4800-058, Guimar?es, Portugal |
| Abstract: | Ethanol/water organosolv pulping was used to obtain sugarcane bagasse pulp that was bleached with sodium chlorite. This bleached pulp was used to obtain cellulosic films that were further evaluated by Fourier transform infrared (FTIR) spectroscopy, thermogravimetric analysis (TGA), and scanning electron microscopy (SEM). A good film formation was observed when temperature of 74 °C and baths of distilled water were used, which after FTIR, TGA, and SEM analysis indicated no significant difference between the reaction times. The results showed this to be an interesting and promising process, combining the prerequisites for a more efficient utilization of agro-industrial residues. |
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