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Title: Processing and Characterization of Cellulose Nanocrystals/Polylactic Acid Nanocomposite Films

Author: Sullivan, Erin; Moon, Robert; Kalaitzidou, Kyriaki;

Date: 2015

Source: Materials

Publication Series: Scientific Journal (JRNL)

Description: The focus of this study is to examine the effect of cellulose nanocrystals (CNC) on the properties of polylactic acid (PLA) films. The films are fabricated via melt compounding and melt fiber spinning followed by compression molding. Film fracture morphology, thermal properties, crystallization behavior, thermo-mechanical behavior, and mechanical behavior were determined as a function of CNC content using scanning electron microscopy, differential scanning calorimetry, X-ray diffraction, dynamic mechanical analysis, and tensile testing. Film crystallinity increases with increasing CNC content indicating CNC act as nucleating agents, promoting crystallization. Furthermore, the addition of CNC increased the film storage modulus and slightly broadened the glass transition region.

Keywords: cellulose nanocrystals, polylactic acid, nanocomposite film

Publication Notes:

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Sullivan, Erin; Moon, Robert; Kalaitzidou, Kyriaki. 2015. Processing and characterization of cellulose nanocrystals/polylactic acid nanocomposite films. Materials. 8(12): 8106-8116.

 


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