Morphology and Mechanical Properties of a Novel Cellulose Nanofibers Based Nanocomposites

Abstract:

The fibers were converted to nano-scale cellulose fibers by chemical and mechanical treatment in this paper. FT-IR spectroscopic analysis demonstrated that hemicelluloses and lignin were removed during the chemical process. After that, ultralsonication method was carried out to refine cellulose fibers to cellulose nanofibers (CNFs). The filtered CNFs film was freeze-dried. Scanning electron microscopy (SEM) images reflected a very high aspect ratio of single cellulose nanofiber was over 1000. The nanocomposites were fabricated to be transparent attributed to the good morphology of the nanocellulose. From the SEM images of fracture surface of nanocomposites, excellent distribution had been found in the nanocomposites. Elastic modulus of the nanocomposite film was determined through tensile test, which was typically higher than pure acrylic resin. Therefore, the obtained transparent nanocomposites with superior flexibility have the potential to be used as the base substrate for organic light-emitting diode display (OLED).

• Periodical: Applied Mechanics and Materials (Volumes 174-177)
• Pages: 936-942
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.174-177.936
• Online since: May 2012
• Authors: Ying Ying Xue, Da Gang Li, Qiao Yun Deng, Yu Mei Wang, Dong Liang Lin
• Keywords: Cellulose Nanofibers, Mechanical Property, Morpholoy, Nanocomposite

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